--- /dev/null
+
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "include/compat.h"
+#include <errno.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <boost/algorithm/string.hpp>
+
+#include <boost/format.hpp>
+#include <boost/optional.hpp>
+#include <boost/utility/in_place_factory.hpp>
+
+#include "common/ceph_json.h"
+#include "common/utf8.h"
+
+#include "common/errno.h"
+#include "common/Formatter.h"
+#include "common/Throttle.h"
+#include "common/Finisher.h"
+
+#include "rgw_rados.h"
+#include "rgw_cache.h"
+#include "rgw_acl.h"
+#include "rgw_acl_s3.h" /* for dumping s3policy in debug log */
+#include "rgw_metadata.h"
+#include "rgw_bucket.h"
+#include "rgw_rest_conn.h"
+#include "rgw_cr_rados.h"
+#include "rgw_cr_rest.h"
+
+#include "cls/rgw/cls_rgw_ops.h"
+#include "cls/rgw/cls_rgw_types.h"
+#include "cls/rgw/cls_rgw_client.h"
+#include "cls/rgw/cls_rgw_const.h"
+#include "cls/refcount/cls_refcount_client.h"
+#include "cls/version/cls_version_client.h"
+#include "cls/log/cls_log_client.h"
+#include "cls/statelog/cls_statelog_client.h"
+#include "cls/timeindex/cls_timeindex_client.h"
+#include "cls/lock/cls_lock_client.h"
+#include "cls/user/cls_user_client.h"
+#include "osd/osd_types.h"
+
+#include "rgw_tools.h"
+#include "rgw_coroutine.h"
+#include "rgw_compression.h"
+
+#undef fork // fails to compile RGWPeriod::fork() below
+
+#include "common/Clock.h"
+
+#include "include/rados/librados.hpp"
+using namespace librados;
+
+#include <string>
+#include <iostream>
+#include <vector>
+#include <atomic>
+#include <list>
+#include <map>
+#include "auth/Crypto.h" // get_random_bytes()
+
+#include "rgw_log.h"
+
+#include "rgw_gc.h"
+#include "rgw_lc.h"
+
+#include "rgw_object_expirer_core.h"
+#include "rgw_sync.h"
+#include "rgw_data_sync.h"
+#include "rgw_realm_watcher.h"
+#include "rgw_reshard.h"
+
+#include "compressor/Compressor.h"
+
+#define dout_context g_ceph_context
+#define dout_subsys ceph_subsys_rgw
+
+using namespace std;
+
+static string notify_oid_prefix = "notify";
+static string *notify_oids = NULL;
+static string shadow_ns = "shadow";
+static string dir_oid_prefix = ".dir.";
+static string default_storage_pool_suffix = "rgw.buckets.data";
+static string default_bucket_index_pool_suffix = "rgw.buckets.index";
+static string default_storage_extra_pool_suffix = "rgw.buckets.non-ec";
+static string avail_pools = ".pools.avail";
+
+static string zone_info_oid_prefix = "zone_info.";
+static string zone_names_oid_prefix = "zone_names.";
+static string region_info_oid_prefix = "region_info.";
+static string zone_group_info_oid_prefix = "zonegroup_info.";
+static string realm_names_oid_prefix = "realms_names.";
+static string realm_info_oid_prefix = "realms.";
+static string default_region_info_oid = "default.region";
+static string default_zone_group_info_oid = "default.zonegroup";
+static string period_info_oid_prefix = "periods.";
+static string period_latest_epoch_info_oid = ".latest_epoch";
+static string region_map_oid = "region_map";
+static string zonegroup_map_oid = "zonegroup_map";
+static string log_lock_name = "rgw_log_lock";
+static string default_realm_info_oid = "default.realm";
+const string default_zonegroup_name = "default";
+const string default_zone_name = "default";
+static string zonegroup_names_oid_prefix = "zonegroups_names.";
+static RGWObjCategory main_category = RGW_OBJ_CATEGORY_MAIN;
+#define RGW_USAGE_OBJ_PREFIX "usage."
+#define FIRST_EPOCH 1
+static string RGW_DEFAULT_ZONE_ROOT_POOL = "rgw.root";
+static string RGW_DEFAULT_ZONEGROUP_ROOT_POOL = "rgw.root";
+static string RGW_DEFAULT_REALM_ROOT_POOL = "rgw.root";
+static string RGW_DEFAULT_PERIOD_ROOT_POOL = "rgw.root";
+
+#define RGW_STATELOG_OBJ_PREFIX "statelog."
+
+#define dout_subsys ceph_subsys_rgw
+
+
+static bool rgw_get_obj_data_pool(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params,
+ const string& placement_id, const rgw_obj& obj, rgw_pool *pool)
+{
+ if (!zone_params.get_head_data_pool(placement_id, obj, pool)) {
+ RGWZonePlacementInfo placement;
+ if (!zone_params.get_placement(zonegroup.default_placement, &placement)) {
+ return false;
+ }
+
+ if (!obj.in_extra_data) {
+ *pool = placement.data_pool;
+ } else {
+ *pool = placement.get_data_extra_pool();
+ }
+ }
+
+ return true;
+}
+
+static bool rgw_obj_to_raw(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params,
+ const string& placement_id, const rgw_obj& obj, rgw_raw_obj *raw_obj)
+{
+ get_obj_bucket_and_oid_loc(obj, raw_obj->oid, raw_obj->loc);
+
+ return rgw_get_obj_data_pool(zonegroup, zone_params, placement_id, obj, &raw_obj->pool);
+}
+
+rgw_raw_obj rgw_obj_select::get_raw_obj(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params) const
+{
+ if (!is_raw) {
+ rgw_raw_obj r;
+ rgw_obj_to_raw(zonegroup, zone_params, placement_rule, obj, &r);
+ return r;
+ }
+ return raw_obj;
+}
+
+rgw_raw_obj rgw_obj_select::get_raw_obj(RGWRados *store) const
+{
+ if (!is_raw) {
+ rgw_raw_obj r;
+ store->obj_to_raw(placement_rule, obj, &r);
+ return r;
+ }
+ return raw_obj;
+}
+
+int rgw_init_ioctx(librados::Rados *rados, const rgw_pool& pool, IoCtx& ioctx, bool create)
+{
+ int r = rados->ioctx_create(pool.name.c_str(), ioctx);
+ if (r == -ENOENT && create) {
+ r = rados->pool_create(pool.name.c_str());
+ if (r < 0 && r != -EEXIST) {
+ return r;
+ }
+
+ r = rados->ioctx_create(pool.name.c_str(), ioctx);
+ if (r < 0) {
+ return r;
+ }
+
+ r = ioctx.application_enable(pg_pool_t::APPLICATION_NAME_RGW, false);
+ if (r < 0 && r != -EOPNOTSUPP) {
+ return r;
+ }
+ } else if (r < 0) {
+ return r;
+ }
+ if (!pool.ns.empty()) {
+ ioctx.set_namespace(pool.ns);
+ }
+ return 0;
+}
+
+template<>
+void RGWObjectCtxImpl<rgw_obj, RGWObjState>::invalidate(rgw_obj& obj) {
+ RWLock::WLocker wl(lock);
+ auto iter = objs_state.find(obj);
+ if (iter == objs_state.end()) {
+ return;
+ }
+ bool is_atomic = iter->second.is_atomic;
+ bool prefetch_data = iter->second.prefetch_data;
+
+ objs_state.erase(iter);
+
+ if (is_atomic || prefetch_data) {
+ auto& s = objs_state[obj];
+ s.is_atomic = is_atomic;
+ s.prefetch_data = prefetch_data;
+ }
+}
+
+template<>
+void RGWObjectCtxImpl<rgw_raw_obj, RGWRawObjState>::invalidate(rgw_raw_obj& obj) {
+ RWLock::WLocker wl(lock);
+ auto iter = objs_state.find(obj);
+ if (iter == objs_state.end()) {
+ return;
+ }
+
+ objs_state.erase(iter);
+}
+
+void RGWDefaultZoneGroupInfo::dump(Formatter *f) const {
+ encode_json("default_zonegroup", default_zonegroup, f);
+}
+
+void RGWDefaultZoneGroupInfo::decode_json(JSONObj *obj) {
+
+ JSONDecoder::decode_json("default_zonegroup", default_zonegroup, obj);
+ /* backward compatability with region */
+ if (default_zonegroup.empty()) {
+ JSONDecoder::decode_json("default_region", default_zonegroup, obj);
+ }
+}
+
+rgw_pool RGWZoneGroup::get_pool(CephContext *cct_)
+{
+ if (cct_->_conf->rgw_zonegroup_root_pool.empty()) {
+ return rgw_pool(RGW_DEFAULT_ZONEGROUP_ROOT_POOL);
+ }
+
+ return rgw_pool(cct_->_conf->rgw_zonegroup_root_pool);
+}
+
+int RGWZoneGroup::create_default(bool old_format)
+{
+ name = default_zonegroup_name;
+ is_master = true;
+
+ RGWZoneGroupPlacementTarget placement_target;
+ placement_target.name = "default-placement";
+ placement_targets[placement_target.name] = placement_target;
+ default_placement = "default-placement";
+
+ RGWZoneParams zone_params(default_zone_name);
+
+ int r = zone_params.init(cct, store, false);
+ if (r < 0) {
+ ldout(cct, 0) << "create_default: error initializing zone params: " << cpp_strerror(-r) << dendl;
+ return r;
+ }
+
+ r = zone_params.create_default();
+ if (r < 0 && r != -EEXIST) {
+ ldout(cct, 0) << "create_default: error in create_default zone params: " << cpp_strerror(-r) << dendl;
+ return r;
+ } else if (r == -EEXIST) {
+ ldout(cct, 10) << "zone_params::create_default() returned -EEXIST, we raced with another default zone_params creation" << dendl;
+ zone_params.clear_id();
+ r = zone_params.init(cct, store);
+ if (r < 0) {
+ ldout(cct, 0) << "create_default: error in init existing zone params: " << cpp_strerror(-r) << dendl;
+ return r;
+ }
+ ldout(cct, 20) << "zone_params::create_default() " << zone_params.get_name() << " id " << zone_params.get_id()
+ << dendl;
+ }
+
+ RGWZone& default_zone = zones[zone_params.get_id()];
+ default_zone.name = zone_params.get_name();
+ default_zone.id = zone_params.get_id();
+ master_zone = default_zone.id;
+
+ r = create();
+ if (r < 0 && r != -EEXIST) {
+ ldout(cct, 0) << "error storing zone group info: " << cpp_strerror(-r) << dendl;
+ return r;
+ }
+
+ if (r == -EEXIST) {
+ ldout(cct, 10) << "create_default() returned -EEXIST, we raced with another zonegroup creation" << dendl;
+ id.clear();
+ r = init(cct, store);
+ if (r < 0) {
+ return r;
+ }
+ }
+
+ if (old_format) {
+ name = id;
+ }
+
+ post_process_params();
+
+ return 0;
+}
+
+const string RGWZoneGroup::get_default_oid(bool old_region_format)
+{
+ if (old_region_format) {
+ if (cct->_conf->rgw_default_region_info_oid.empty()) {
+ return default_region_info_oid;
+ }
+ return cct->_conf->rgw_default_region_info_oid;
+ }
+
+ string default_oid = cct->_conf->rgw_default_zonegroup_info_oid;
+
+ if (cct->_conf->rgw_default_zonegroup_info_oid.empty()) {
+ default_oid = default_zone_group_info_oid;
+ }
+
+ default_oid += "." + realm_id;
+
+ return default_oid;
+}
+
+const string& RGWZoneGroup::get_info_oid_prefix(bool old_region_format)
+{
+ if (old_region_format) {
+ return region_info_oid_prefix;
+ }
+ return zone_group_info_oid_prefix;
+}
+
+const string& RGWZoneGroup::get_names_oid_prefix()
+{
+ return zonegroup_names_oid_prefix;
+}
+
+const string& RGWZoneGroup::get_predefined_name(CephContext *cct) {
+ return cct->_conf->rgw_zonegroup;
+}
+
+int RGWZoneGroup::equals(const string& other_zonegroup) const
+{
+ if (is_master && other_zonegroup.empty())
+ return true;
+
+ return (id == other_zonegroup);
+}
+
+int RGWZoneGroup::add_zone(const RGWZoneParams& zone_params, bool *is_master, bool *read_only,
+ const list<string>& endpoints, const string *ptier_type,
+ bool *psync_from_all, list<string>& sync_from, list<string>& sync_from_rm)
+{
+ auto& zone_id = zone_params.get_id();
+ auto& zone_name = zone_params.get_name();
+
+ // check for duplicate zone name on insert
+ if (!zones.count(zone_id)) {
+ for (const auto& zone : zones) {
+ if (zone.second.name == zone_name) {
+ ldout(cct, 0) << "ERROR: found existing zone name " << zone_name
+ << " (" << zone.first << ") in zonegroup " << get_name() << dendl;
+ return -EEXIST;
+ }
+ }
+ }
+
+ if (is_master) {
+ if (*is_master) {
+ if (!master_zone.empty() && master_zone != zone_params.get_id()) {
+ ldout(cct, 0) << "NOTICE: overriding master zone: " << master_zone << dendl;
+ }
+ master_zone = zone_params.get_id();
+ } else if (master_zone == zone_params.get_id()) {
+ master_zone.clear();
+ }
+ }
+
+ RGWZone& zone = zones[zone_params.get_id()];
+ zone.name = zone_params.get_name();
+ zone.id = zone_params.get_id();
+ if (!endpoints.empty()) {
+ zone.endpoints = endpoints;
+ }
+ if (read_only) {
+ zone.read_only = *read_only;
+ }
+ if (ptier_type) {
+ zone.tier_type = *ptier_type;
+ }
+
+ if (psync_from_all) {
+ zone.sync_from_all = *psync_from_all;
+ }
+
+ for (auto add : sync_from) {
+ zone.sync_from.insert(add);
+ }
+
+ for (auto rm : sync_from_rm) {
+ zone.sync_from.erase(rm);
+ }
+
+ post_process_params();
+
+ return update();
+}
+
+
+int RGWZoneGroup::rename_zone(const RGWZoneParams& zone_params)
+{
+ RGWZone& zone = zones[zone_params.get_id()];
+ zone.name = zone_params.get_name();
+
+ return update();
+}
+
+void RGWZoneGroup::post_process_params()
+{
+ bool log_data = zones.size() > 1;
+
+ if (master_zone.empty()) {
+ map<string, RGWZone>::iterator iter = zones.begin();
+ if (iter != zones.end()) {
+ master_zone = iter->first;
+ }
+ }
+
+ for (map<string, RGWZone>::iterator iter = zones.begin(); iter != zones.end(); ++iter) {
+ RGWZone& zone = iter->second;
+ zone.log_data = log_data;
+
+ RGWZoneParams zone_params(zone.id, zone.name);
+ int ret = zone_params.init(cct, store);
+ if (ret < 0) {
+ ldout(cct, 0) << "WARNING: could not read zone params for zone id=" << zone.id << " name=" << zone.name << dendl;
+ continue;
+ }
+
+ for (map<string, RGWZonePlacementInfo>::iterator iter = zone_params.placement_pools.begin();
+ iter != zone_params.placement_pools.end(); ++iter) {
+ const string& placement_name = iter->first;
+ if (placement_targets.find(placement_name) == placement_targets.end()) {
+ RGWZoneGroupPlacementTarget placement_target;
+ placement_target.name = placement_name;
+ placement_targets[placement_name] = placement_target;
+ }
+ }
+ }
+
+ if (default_placement.empty() && !placement_targets.empty()) {
+ default_placement = placement_targets.begin()->first;
+ }
+}
+
+int RGWZoneGroup::remove_zone(const std::string& zone_id)
+{
+ map<string, RGWZone>::iterator iter = zones.find(zone_id);
+ if (iter == zones.end()) {
+ ldout(cct, 0) << "zone id " << zone_id << " is not a part of zonegroup "
+ << name << dendl;
+ return -ENOENT;
+ }
+
+ zones.erase(iter);
+
+ post_process_params();
+
+ return update();
+}
+
+int RGWZoneGroup::read_default_id(string& default_id, bool old_format)
+{
+ if (realm_id.empty()) {
+ /* try using default realm */
+ RGWRealm realm;
+ int ret = realm.init(cct, store);
+ if (ret < 0) {
+ ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl;
+ return -ENOENT;
+ }
+ realm_id = realm.get_id();
+ }
+
+ return RGWSystemMetaObj::read_default_id(default_id, old_format);
+}
+
+int RGWZoneGroup::set_as_default(bool exclusive)
+{
+ if (realm_id.empty()) {
+ /* try using default realm */
+ RGWRealm realm;
+ int ret = realm.init(cct, store);
+ if (ret < 0) {
+ ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl;
+ return -EINVAL;
+ }
+ realm_id = realm.get_id();
+ }
+
+ return RGWSystemMetaObj::set_as_default(exclusive);
+}
+
+int RGWSystemMetaObj::init(CephContext *_cct, RGWRados *_store, bool setup_obj, bool old_format)
+{
+ cct = _cct;
+ store = _store;
+
+ if (!setup_obj)
+ return 0;
+
+ if (old_format && id.empty()) {
+ id = name;
+ }
+
+ if (id.empty()) {
+ int r;
+ if (name.empty()) {
+ name = get_predefined_name(cct);
+ }
+ if (name.empty()) {
+ r = use_default(old_format);
+ if (r < 0) {
+ return r;
+ }
+ } else if (!old_format) {
+ r = read_id(name, id);
+ if (r < 0) {
+ if (r != -ENOENT) {
+ ldout(cct, 0) << "error in read_id for object name: " << name << " : " << cpp_strerror(-r) << dendl;
+ }
+ return r;
+ }
+ }
+ }
+
+ return read_info(id, old_format);
+}
+
+int RGWSystemMetaObj::read_default(RGWDefaultSystemMetaObjInfo& default_info, const string& oid)
+{
+ auto pool = get_pool(cct);
+ bufferlist bl;
+ RGWObjectCtx obj_ctx(store);
+ int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, NULL, NULL);
+ if (ret < 0)
+ return ret;
+
+ try {
+ bufferlist::iterator iter = bl.begin();
+ ::decode(default_info, iter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "error decoding data from " << pool << ":" << oid << dendl;
+ return -EIO;
+ }
+
+ return 0;
+}
+
+int RGWSystemMetaObj::read_default_id(string& default_id, bool old_format)
+{
+ RGWDefaultSystemMetaObjInfo default_info;
+
+ int ret = read_default(default_info, get_default_oid(old_format));
+ if (ret < 0) {
+ return ret;
+ }
+
+ default_id = default_info.default_id;
+
+ return 0;
+}
+
+int RGWSystemMetaObj::use_default(bool old_format)
+{
+ return read_default_id(id, old_format);
+}
+
+int RGWSystemMetaObj::set_as_default(bool exclusive)
+{
+ string oid = get_default_oid();
+
+ rgw_pool pool(get_pool(cct));
+ bufferlist bl;
+
+ RGWDefaultSystemMetaObjInfo default_info;
+ default_info.default_id = id;
+
+ ::encode(default_info, bl);
+
+ int ret = rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(),
+ exclusive, NULL, real_time(), NULL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+int RGWSystemMetaObj::read_id(const string& obj_name, string& object_id)
+{
+ rgw_pool pool(get_pool(cct));
+ bufferlist bl;
+
+ string oid = get_names_oid_prefix() + obj_name;
+
+ RGWObjectCtx obj_ctx(store);
+ int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, NULL, NULL);
+ if (ret < 0) {
+ return ret;
+ }
+
+ RGWNameToId nameToId;
+ try {
+ bufferlist::iterator iter = bl.begin();
+ ::decode(nameToId, iter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: failed to decode obj from " << pool << ":" << oid << dendl;
+ return -EIO;
+ }
+ object_id = nameToId.obj_id;
+ return 0;
+}
+
+int RGWSystemMetaObj::delete_obj(bool old_format)
+{
+ rgw_pool pool(get_pool(cct));
+
+ /* check to see if obj is the default */
+ RGWDefaultSystemMetaObjInfo default_info;
+ int ret = read_default(default_info, get_default_oid(old_format));
+ if (ret < 0 && ret != -ENOENT)
+ return ret;
+ if (default_info.default_id == id || (old_format && default_info.default_id == name)) {
+ string oid = get_default_oid(old_format);
+ rgw_raw_obj default_named_obj(pool, oid);
+ ret = store->delete_system_obj(default_named_obj);
+ if (ret < 0) {
+ ldout(cct, 0) << "Error delete default obj name " << name << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ }
+ if (!old_format) {
+ string oid = get_names_oid_prefix() + name;
+ rgw_raw_obj object_name(pool, oid);
+ ret = store->delete_system_obj(object_name);
+ if (ret < 0) {
+ ldout(cct, 0) << "Error delete obj name " << name << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ }
+
+ string oid = get_info_oid_prefix(old_format);
+ if (old_format) {
+ oid += name;
+ } else {
+ oid += id;
+ }
+
+ rgw_raw_obj object_id(pool, oid);
+ ret = store->delete_system_obj(object_id);
+ if (ret < 0) {
+ ldout(cct, 0) << "Error delete object id " << id << ": " << cpp_strerror(-ret) << dendl;
+ }
+
+ return ret;
+}
+
+int RGWSystemMetaObj::store_name(bool exclusive)
+{
+ rgw_pool pool(get_pool(cct));
+ string oid = get_names_oid_prefix() + name;
+
+ RGWNameToId nameToId;
+ nameToId.obj_id = id;
+
+ bufferlist bl;
+ ::encode(nameToId, bl);
+ return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), exclusive, NULL, real_time(), NULL);
+}
+
+int RGWSystemMetaObj::rename(const string& new_name)
+{
+ string new_id;
+ int ret = read_id(new_name, new_id);
+ if (!ret) {
+ return -EEXIST;
+ }
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << "Error read_id " << new_name << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ string old_name = name;
+ name = new_name;
+ ret = update();
+ if (ret < 0) {
+ ldout(cct, 0) << "Error storing new obj info " << new_name << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ ret = store_name(true);
+ if (ret < 0) {
+ ldout(cct, 0) << "Error storing new name " << new_name << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ /* delete old name */
+ rgw_pool pool(get_pool(cct));
+ string oid = get_names_oid_prefix() + old_name;
+ rgw_raw_obj old_name_obj(pool, oid);
+ ret = store->delete_system_obj(old_name_obj);
+ if (ret < 0) {
+ ldout(cct, 0) << "Error delete old obj name " << old_name << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ return ret;
+}
+
+int RGWSystemMetaObj::read_info(const string& obj_id, bool old_format)
+{
+ rgw_pool pool(get_pool(cct));
+
+ bufferlist bl;
+
+ string oid = get_info_oid_prefix(old_format) + obj_id;
+
+ RGWObjectCtx obj_ctx(store);
+ int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, NULL, NULL);
+ if (ret < 0) {
+ ldout(cct, 0) << "failed reading obj info from " << pool << ":" << oid << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ try {
+ bufferlist::iterator iter = bl.begin();
+ ::decode(*this, iter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: failed to decode obj from " << pool << ":" << oid << dendl;
+ return -EIO;
+ }
+
+ return 0;
+}
+
+int RGWSystemMetaObj::read()
+{
+ int ret = read_id(name, id);
+ if (ret < 0) {
+ return ret;
+ }
+
+ return read_info(id);
+}
+
+int RGWSystemMetaObj::create(bool exclusive)
+{
+ int ret;
+
+ /* check to see the name is not used */
+ ret = read_id(name, id);
+ if (exclusive && ret == 0) {
+ ldout(cct, 10) << "ERROR: name " << name << " already in use for obj id " << id << dendl;
+ return -EEXIST;
+ } else if ( ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << "failed reading obj id " << id << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ if (id.empty()) {
+ /* create unique id */
+ uuid_d new_uuid;
+ char uuid_str[37];
+ new_uuid.generate_random();
+ new_uuid.print(uuid_str);
+ id = uuid_str;
+ }
+
+ ret = store_info(exclusive);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: storing info for " << id << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ return store_name(exclusive);
+}
+
+int RGWSystemMetaObj::store_info(bool exclusive)
+{
+ rgw_pool pool(get_pool(cct));
+
+ string oid = get_info_oid_prefix() + id;
+
+ bufferlist bl;
+ ::encode(*this, bl);
+ return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), exclusive, NULL, real_time(), NULL);
+}
+
+int RGWSystemMetaObj::write(bool exclusive)
+{
+ int ret = store_info(exclusive);
+ if (ret < 0) {
+ ldout(cct, 20) << __func__ << "(): store_info() returned ret=" << ret << dendl;
+ return ret;
+ }
+ ret = store_name(exclusive);
+ if (ret < 0) {
+ ldout(cct, 20) << __func__ << "(): store_name() returned ret=" << ret << dendl;
+ return ret;
+ }
+ return 0;
+}
+
+
+const string& RGWRealm::get_predefined_name(CephContext *cct) {
+ return cct->_conf->rgw_realm;
+}
+
+int RGWRealm::create(bool exclusive)
+{
+ int ret = RGWSystemMetaObj::create(exclusive);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR creating new realm object " << name << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ // create the control object for watch/notify
+ ret = create_control(exclusive);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR creating control for new realm " << name << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ RGWPeriod period;
+ if (current_period.empty()) {
+ /* create new period for the realm */
+ ret = period.init(cct, store, id, name, false);
+ if (ret < 0 ) {
+ return ret;
+ }
+ ret = period.create(true);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: creating new period for realm " << name << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ } else {
+ period = RGWPeriod(current_period, 0);
+ int ret = period.init(cct, store, id, name);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: failed to init period " << current_period << dendl;
+ return ret;
+ }
+ }
+ ret = set_current_period(period);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: failed set current period " << current_period << dendl;
+ return ret;
+ }
+ // try to set as default. may race with another create, so pass exclusive=true
+ // so we don't override an existing default
+ ret = set_as_default(true);
+ if (ret < 0 && ret != -EEXIST) {
+ ldout(cct, 0) << "WARNING: failed to set realm as default realm, ret=" << ret << dendl;
+ }
+
+ return 0;
+}
+
+int RGWRealm::delete_obj()
+{
+ int ret = RGWSystemMetaObj::delete_obj();
+ if (ret < 0) {
+ return ret;
+ }
+ return delete_control();
+}
+
+int RGWRealm::create_control(bool exclusive)
+{
+ auto pool = rgw_pool{get_pool(cct)};
+ auto oid = get_control_oid();
+ return rgw_put_system_obj(store, pool, oid, nullptr, 0, exclusive,
+ nullptr, real_time(), nullptr);
+}
+
+int RGWRealm::delete_control()
+{
+ auto pool = rgw_pool{get_pool(cct)};
+ auto obj = rgw_raw_obj{pool, get_control_oid()};
+ return store->delete_system_obj(obj);
+}
+
+rgw_pool RGWRealm::get_pool(CephContext *cct)
+{
+ if (cct->_conf->rgw_realm_root_pool.empty()) {
+ return rgw_pool(RGW_DEFAULT_REALM_ROOT_POOL);
+ }
+ return rgw_pool(cct->_conf->rgw_realm_root_pool);
+}
+
+const string RGWRealm::get_default_oid(bool old_format)
+{
+ if (cct->_conf->rgw_default_realm_info_oid.empty()) {
+ return default_realm_info_oid;
+ }
+ return cct->_conf->rgw_default_realm_info_oid;
+}
+
+const string& RGWRealm::get_names_oid_prefix()
+{
+ return realm_names_oid_prefix;
+}
+
+const string& RGWRealm::get_info_oid_prefix(bool old_format)
+{
+ return realm_info_oid_prefix;
+}
+
+int RGWRealm::set_current_period(RGWPeriod& period)
+{
+ // update realm epoch to match the period's
+ if (epoch > period.get_realm_epoch()) {
+ ldout(cct, 0) << "ERROR: set_current_period with old realm epoch "
+ << period.get_realm_epoch() << ", current epoch=" << epoch << dendl;
+ return -EINVAL;
+ }
+ if (epoch == period.get_realm_epoch() && current_period != period.get_id()) {
+ ldout(cct, 0) << "ERROR: set_current_period with same realm epoch "
+ << period.get_realm_epoch() << ", but different period id "
+ << period.get_id() << " != " << current_period << dendl;
+ return -EINVAL;
+ }
+
+ epoch = period.get_realm_epoch();
+ current_period = period.get_id();
+
+ int ret = update();
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: period update: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ ret = period.reflect();
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: period.reflect(): " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ return 0;
+}
+
+string RGWRealm::get_control_oid()
+{
+ return get_info_oid_prefix() + id + ".control";
+}
+
+int RGWRealm::notify_zone(bufferlist& bl)
+{
+ // open a context on the realm's pool
+ rgw_pool pool{get_pool(cct)};
+ librados::IoCtx ctx;
+ int r = rgw_init_ioctx(store->get_rados_handle(), pool, ctx);
+ if (r < 0) {
+ ldout(cct, 0) << "Failed to open pool " << pool << dendl;
+ return r;
+ }
+ // send a notify on the realm object
+ r = ctx.notify2(get_control_oid(), bl, 0, nullptr);
+ if (r < 0) {
+ ldout(cct, 0) << "Realm notify failed with " << r << dendl;
+ return r;
+ }
+ return 0;
+}
+
+int RGWRealm::notify_new_period(const RGWPeriod& period)
+{
+ bufferlist bl;
+ // push the period to dependent zonegroups/zones
+ ::encode(RGWRealmNotify::ZonesNeedPeriod, bl);
+ ::encode(period, bl);
+ // reload the gateway with the new period
+ ::encode(RGWRealmNotify::Reload, bl);
+
+ return notify_zone(bl);
+}
+
+std::string RGWPeriodConfig::get_oid(const std::string& realm_id)
+{
+ if (realm_id.empty()) {
+ return "period_config.default";
+ }
+ return "period_config." + realm_id;
+}
+
+rgw_pool RGWPeriodConfig::get_pool(CephContext *cct)
+{
+ const auto& pool_name = cct->_conf->rgw_period_root_pool;
+ if (pool_name.empty()) {
+ return {RGW_DEFAULT_PERIOD_ROOT_POOL};
+ }
+ return {pool_name};
+}
+
+int RGWPeriodConfig::read(RGWRados *store, const std::string& realm_id)
+{
+ RGWObjectCtx obj_ctx(store);
+ const auto& pool = get_pool(store->ctx());
+ const auto& oid = get_oid(realm_id);
+ bufferlist bl;
+
+ int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, nullptr, nullptr);
+ if (ret < 0) {
+ return ret;
+ }
+ try {
+ bufferlist::iterator iter = bl.begin();
+ ::decode(*this, iter);
+ } catch (buffer::error& err) {
+ return -EIO;
+ }
+ return 0;
+}
+
+int RGWPeriodConfig::write(RGWRados *store, const std::string& realm_id)
+{
+ const auto& pool = get_pool(store->ctx());
+ const auto& oid = get_oid(realm_id);
+ bufferlist bl;
+ ::encode(*this, bl);
+ return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(),
+ false, nullptr, real_time(), nullptr);
+}
+
+int RGWPeriod::init(CephContext *_cct, RGWRados *_store, const string& period_realm_id,
+ const string& period_realm_name, bool setup_obj)
+{
+ cct = _cct;
+ store = _store;
+ realm_id = period_realm_id;
+ realm_name = period_realm_name;
+
+ if (!setup_obj)
+ return 0;
+
+ return init(_cct, _store, setup_obj);
+}
+
+
+int RGWPeriod::init(CephContext *_cct, RGWRados *_store, bool setup_obj)
+{
+ cct = _cct;
+ store = _store;
+
+ if (!setup_obj)
+ return 0;
+
+ if (id.empty()) {
+ RGWRealm realm(realm_id, realm_name);
+ int ret = realm.init(cct, store);
+ if (ret < 0) {
+ ldout(cct, 0) << "RGWPeriod::init failed to init realm " << realm_name << " id " << realm_id << " : " <<
+ cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ id = realm.get_current_period();
+ realm_id = realm.get_id();
+ }
+
+ if (!epoch) {
+ int ret = use_latest_epoch();
+ if (ret < 0) {
+ ldout(cct, 0) << "failed to use_latest_epoch period id " << id << " realm " << realm_name << " id " << realm_id
+ << " : " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ }
+
+ return read_info();
+}
+
+
+int RGWPeriod::get_zonegroup(RGWZoneGroup& zonegroup, const string& zonegroup_id) {
+ map<string, RGWZoneGroup>::const_iterator iter;
+ if (!zonegroup_id.empty()) {
+ iter = period_map.zonegroups.find(zonegroup_id);
+ } else {
+ iter = period_map.zonegroups.find("default");
+ }
+ if (iter != period_map.zonegroups.end()) {
+ zonegroup = iter->second;
+ return 0;
+ }
+
+ return -ENOENT;
+}
+
+const string& RGWPeriod::get_latest_epoch_oid()
+{
+ if (cct->_conf->rgw_period_latest_epoch_info_oid.empty()) {
+ return period_latest_epoch_info_oid;
+ }
+ return cct->_conf->rgw_period_latest_epoch_info_oid;
+}
+
+const string& RGWPeriod::get_info_oid_prefix()
+{
+ return period_info_oid_prefix;
+}
+
+const string RGWPeriod::get_period_oid_prefix()
+{
+ return get_info_oid_prefix() + id;
+}
+
+const string RGWPeriod::get_period_oid()
+{
+ std::ostringstream oss;
+ oss << get_period_oid_prefix();
+ // skip the epoch for the staging period
+ if (id != get_staging_id(realm_id))
+ oss << "." << epoch;
+ return oss.str();
+}
+
+int RGWPeriod::read_latest_epoch(RGWPeriodLatestEpochInfo& info,
+ RGWObjVersionTracker *objv)
+{
+ string oid = get_period_oid_prefix() + get_latest_epoch_oid();
+
+ rgw_pool pool(get_pool(cct));
+ bufferlist bl;
+ RGWObjectCtx obj_ctx(store);
+ int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, objv, nullptr);
+ if (ret < 0) {
+ ldout(cct, 1) << "error read_lastest_epoch " << pool << ":" << oid << dendl;
+ return ret;
+ }
+ try {
+ bufferlist::iterator iter = bl.begin();
+ ::decode(info, iter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "error decoding data from " << pool << ":" << oid << dendl;
+ return -EIO;
+ }
+
+ return 0;
+}
+
+int RGWPeriod::get_latest_epoch(epoch_t& latest_epoch)
+{
+ RGWPeriodLatestEpochInfo info;
+
+ int ret = read_latest_epoch(info);
+ if (ret < 0) {
+ return ret;
+ }
+
+ latest_epoch = info.epoch;
+
+ return 0;
+}
+
+int RGWPeriod::use_latest_epoch()
+{
+ RGWPeriodLatestEpochInfo info;
+ int ret = read_latest_epoch(info);
+ if (ret < 0) {
+ return ret;
+ }
+
+ epoch = info.epoch;
+
+ return 0;
+}
+
+int RGWPeriod::set_latest_epoch(epoch_t epoch, bool exclusive,
+ RGWObjVersionTracker *objv)
+{
+ string oid = get_period_oid_prefix() + get_latest_epoch_oid();
+
+ rgw_pool pool(get_pool(cct));
+ bufferlist bl;
+
+ RGWPeriodLatestEpochInfo info;
+ info.epoch = epoch;
+
+ ::encode(info, bl);
+
+ return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(),
+ exclusive, objv, real_time(), nullptr);
+}
+
+int RGWPeriod::update_latest_epoch(epoch_t epoch)
+{
+ static constexpr int MAX_RETRIES = 20;
+
+ for (int i = 0; i < MAX_RETRIES; i++) {
+ RGWPeriodLatestEpochInfo info;
+ RGWObjVersionTracker objv;
+ bool exclusive = false;
+
+ // read existing epoch
+ int r = read_latest_epoch(info, &objv);
+ if (r == -ENOENT) {
+ // use an exclusive create to set the epoch atomically
+ exclusive = true;
+ ldout(cct, 20) << "creating initial latest_epoch=" << epoch
+ << " for period=" << id << dendl;
+ } else if (r < 0) {
+ ldout(cct, 0) << "ERROR: failed to read latest_epoch" << dendl;
+ return r;
+ } else if (epoch <= info.epoch) {
+ r = -EEXIST; // fail with EEXIST if epoch is not newer
+ ldout(cct, 1) << "found existing latest_epoch " << info.epoch
+ << " >= given epoch " << epoch << ", returning r=" << r << dendl;
+ return r;
+ } else {
+ ldout(cct, 20) << "updating latest_epoch from " << info.epoch
+ << " -> " << epoch << " on period=" << id << dendl;
+ }
+
+ r = set_latest_epoch(epoch, exclusive, &objv);
+ if (r == -EEXIST) {
+ continue; // exclusive create raced with another update, retry
+ } else if (r == -ECANCELED) {
+ continue; // write raced with a conflicting version, retry
+ }
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: failed to write latest_epoch" << dendl;
+ return r;
+ }
+ return 0; // return success
+ }
+
+ return -ECANCELED; // fail after max retries
+}
+
+int RGWPeriod::delete_obj()
+{
+ rgw_pool pool(get_pool(cct));
+
+ // delete the object for each period epoch
+ for (epoch_t e = 1; e <= epoch; e++) {
+ RGWPeriod p{get_id(), e};
+ rgw_raw_obj oid{pool, p.get_period_oid()};
+ int ret = store->delete_system_obj(oid);
+ if (ret < 0) {
+ ldout(cct, 0) << "WARNING: failed to delete period object " << oid
+ << ": " << cpp_strerror(-ret) << dendl;
+ }
+ }
+
+ // delete the .latest_epoch object
+ rgw_raw_obj oid{pool, get_period_oid_prefix() + get_latest_epoch_oid()};
+ int ret = store->delete_system_obj(oid);
+ if (ret < 0) {
+ ldout(cct, 0) << "WARNING: failed to delete period object " << oid
+ << ": " << cpp_strerror(-ret) << dendl;
+ }
+ return ret;
+}
+
+int RGWPeriod::read_info()
+{
+ rgw_pool pool(get_pool(cct));
+
+ bufferlist bl;
+
+ RGWObjectCtx obj_ctx(store);
+ int ret = rgw_get_system_obj(store, obj_ctx, pool, get_period_oid(), bl, NULL, NULL);
+ if (ret < 0) {
+ ldout(cct, 0) << "failed reading obj info from " << pool << ":" << get_period_oid() << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ try {
+ bufferlist::iterator iter = bl.begin();
+ ::decode(*this, iter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: failed to decode obj from " << pool << ":" << get_period_oid() << dendl;
+ return -EIO;
+ }
+
+ return 0;
+}
+
+int RGWPeriod::create(bool exclusive)
+{
+ int ret;
+
+ /* create unique id */
+ uuid_d new_uuid;
+ char uuid_str[37];
+ new_uuid.generate_random();
+ new_uuid.print(uuid_str);
+ id = uuid_str;
+
+ epoch = FIRST_EPOCH;
+
+ period_map.id = id;
+
+ ret = store_info(exclusive);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: storing info for " << id << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ ret = set_latest_epoch(epoch);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: setting latest epoch " << id << ": " << cpp_strerror(-ret) << dendl;
+ }
+
+ return ret;
+}
+
+int RGWPeriod::store_info(bool exclusive)
+{
+ rgw_pool pool(get_pool(cct));
+
+ string oid = get_period_oid();
+ bufferlist bl;
+ ::encode(*this, bl);
+
+ return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(),
+ exclusive, NULL, real_time(), NULL);
+}
+
+rgw_pool RGWPeriod::get_pool(CephContext *cct)
+{
+ if (cct->_conf->rgw_period_root_pool.empty()) {
+ return rgw_pool(RGW_DEFAULT_PERIOD_ROOT_POOL);
+ }
+ return rgw_pool(cct->_conf->rgw_period_root_pool);
+}
+
+int RGWPeriod::add_zonegroup(const RGWZoneGroup& zonegroup)
+{
+ if (zonegroup.realm_id != realm_id) {
+ return 0;
+ }
+ int ret = period_map.update(zonegroup, cct);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: updating period map: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ return store_info(false);
+}
+
+int RGWPeriod::update()
+{
+ ldout(cct, 20) << __func__ << " realm " << realm_id << " period " << get_id() << dendl;
+ list<string> zonegroups;
+ int ret = store->list_zonegroups(zonegroups);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: failed to list zonegroups: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ // clear zone short ids of removed zones. period_map.update() will add the
+ // remaining zones back
+ period_map.short_zone_ids.clear();
+
+ for (auto& iter : zonegroups) {
+ RGWZoneGroup zg(string(), iter);
+ ret = zg.init(cct, store);
+ if (ret < 0) {
+ ldout(cct, 0) << "WARNING: zg.init() failed: " << cpp_strerror(-ret) << dendl;
+ continue;
+ }
+
+ if (zg.realm_id != realm_id) {
+ ldout(cct, 20) << "skipping zonegroup " << zg.get_name() << " zone realm id " << zg.realm_id << ", not on our realm " << realm_id << dendl;
+ continue;
+ }
+
+ if (zg.master_zone.empty()) {
+ ldout(cct, 0) << "ERROR: zonegroup " << zg.get_name() << " should have a master zone " << dendl;
+ return -EINVAL;
+ }
+
+ if (zg.is_master_zonegroup()) {
+ master_zonegroup = zg.get_id();
+ master_zone = zg.master_zone;
+ }
+
+ int ret = period_map.update(zg, cct);
+ if (ret < 0) {
+ return ret;
+ }
+ }
+
+ ret = period_config.read(store, realm_id);
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << "ERROR: failed to read period config: "
+ << cpp_strerror(ret) << dendl;
+ return ret;
+ }
+ return 0;
+}
+
+int RGWPeriod::reflect()
+{
+ for (auto& iter : period_map.zonegroups) {
+ RGWZoneGroup& zg = iter.second;
+ zg.reinit_instance(cct, store);
+ int r = zg.write(false);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: failed to store zonegroup info for zonegroup=" << iter.first << ": " << cpp_strerror(-r) << dendl;
+ return r;
+ }
+ if (zg.is_master_zonegroup()) {
+ // set master as default if no default exists
+ r = zg.set_as_default(true);
+ if (r == 0) {
+ ldout(cct, 1) << "Set the period's master zonegroup " << zg.get_id()
+ << " as the default" << dendl;
+ }
+ }
+ }
+
+ int r = period_config.write(store, realm_id);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: failed to store period config: "
+ << cpp_strerror(-r) << dendl;
+ return r;
+ }
+ return 0;
+}
+
+void RGWPeriod::fork()
+{
+ ldout(cct, 20) << __func__ << " realm " << realm_id << " period " << id << dendl;
+ predecessor_uuid = id;
+ id = get_staging_id(realm_id);
+ period_map.reset();
+ realm_epoch++;
+}
+
+static int read_sync_status(RGWRados *store, rgw_meta_sync_status *sync_status)
+{
+ // initialize a sync status manager to read the status
+ RGWMetaSyncStatusManager mgr(store, store->get_async_rados());
+ int r = mgr.init();
+ if (r < 0) {
+ return r;
+ }
+ r = mgr.read_sync_status(sync_status);
+ mgr.stop();
+ return r;
+}
+
+int RGWPeriod::update_sync_status(const RGWPeriod ¤t_period,
+ std::ostream& error_stream,
+ bool force_if_stale)
+{
+ rgw_meta_sync_status status;
+ int r = read_sync_status(store, &status);
+ if (r < 0) {
+ ldout(cct, 0) << "period failed to read sync status: "
+ << cpp_strerror(-r) << dendl;
+ return r;
+ }
+
+ std::vector<std::string> markers;
+
+ const auto current_epoch = current_period.get_realm_epoch();
+ if (current_epoch != status.sync_info.realm_epoch) {
+ // no sync status markers for the current period
+ assert(current_epoch > status.sync_info.realm_epoch);
+ const int behind = current_epoch - status.sync_info.realm_epoch;
+ if (!force_if_stale && current_epoch > 1) {
+ error_stream << "ERROR: This zone is " << behind << " period(s) behind "
+ "the current master zone in metadata sync. If this zone is promoted "
+ "to master, any metadata changes during that time are likely to "
+ "be lost.\n"
+ "Waiting for this zone to catch up on metadata sync (see "
+ "'radosgw-admin sync status') is recommended.\n"
+ "To promote this zone to master anyway, add the flag "
+ "--yes-i-really-mean-it." << std::endl;
+ return -EINVAL;
+ }
+ // empty sync status markers - other zones will skip this period during
+ // incremental metadata sync
+ markers.resize(status.sync_info.num_shards);
+ } else {
+ markers.reserve(status.sync_info.num_shards);
+ for (auto& i : status.sync_markers) {
+ auto& marker = i.second;
+ // filter out markers from other periods
+ if (marker.realm_epoch != current_epoch) {
+ marker.marker.clear();
+ }
+ markers.emplace_back(std::move(marker.marker));
+ }
+ }
+
+ std::swap(sync_status, markers);
+ return 0;
+}
+
+int RGWPeriod::commit(RGWRealm& realm, const RGWPeriod& current_period,
+ std::ostream& error_stream, bool force_if_stale)
+{
+ ldout(cct, 20) << __func__ << " realm " << realm.get_id() << " period " << current_period.get_id() << dendl;
+ // gateway must be in the master zone to commit
+ if (master_zone != store->get_zone_params().get_id()) {
+ error_stream << "Cannot commit period on zone "
+ << store->get_zone_params().get_id() << ", it must be sent to "
+ "the period's master zone " << master_zone << '.' << std::endl;
+ return -EINVAL;
+ }
+ // period predecessor must match current period
+ if (predecessor_uuid != current_period.get_id()) {
+ error_stream << "Period predecessor " << predecessor_uuid
+ << " does not match current period " << current_period.get_id()
+ << ". Use 'period pull' to get the latest period from the master, "
+ "reapply your changes, and try again." << std::endl;
+ return -EINVAL;
+ }
+ // realm epoch must be 1 greater than current period
+ if (realm_epoch != current_period.get_realm_epoch() + 1) {
+ error_stream << "Period's realm epoch " << realm_epoch
+ << " does not come directly after current realm epoch "
+ << current_period.get_realm_epoch() << ". Use 'realm pull' to get the "
+ "latest realm and period from the master zone, reapply your changes, "
+ "and try again." << std::endl;
+ return -EINVAL;
+ }
+ // did the master zone change?
+ if (master_zone != current_period.get_master_zone()) {
+ // store the current metadata sync status in the period
+ int r = update_sync_status(current_period, error_stream, force_if_stale);
+ if (r < 0) {
+ ldout(cct, 0) << "failed to update metadata sync status: "
+ << cpp_strerror(-r) << dendl;
+ return r;
+ }
+ // create an object with a new period id
+ r = create(true);
+ if (r < 0) {
+ ldout(cct, 0) << "failed to create new period: " << cpp_strerror(-r) << dendl;
+ return r;
+ }
+ // set as current period
+ r = realm.set_current_period(*this);
+ if (r < 0) {
+ ldout(cct, 0) << "failed to update realm's current period: "
+ << cpp_strerror(-r) << dendl;
+ return r;
+ }
+ ldout(cct, 4) << "Promoted to master zone and committed new period "
+ << id << dendl;
+ realm.notify_new_period(*this);
+ return 0;
+ }
+ // period must be based on current epoch
+ if (epoch != current_period.get_epoch()) {
+ error_stream << "Period epoch " << epoch << " does not match "
+ "predecessor epoch " << current_period.get_epoch()
+ << ". Use 'period pull' to get the latest epoch from the master zone, "
+ "reapply your changes, and try again." << std::endl;
+ return -EINVAL;
+ }
+ // set period as next epoch
+ set_id(current_period.get_id());
+ set_epoch(current_period.get_epoch() + 1);
+ set_predecessor(current_period.get_predecessor());
+ realm_epoch = current_period.get_realm_epoch();
+ // write the period to rados
+ int r = store_info(false);
+ if (r < 0) {
+ ldout(cct, 0) << "failed to store period: " << cpp_strerror(-r) << dendl;
+ return r;
+ }
+ // set as latest epoch
+ r = update_latest_epoch(epoch);
+ if (r == -EEXIST) {
+ // already have this epoch (or a more recent one)
+ return 0;
+ }
+ if (r < 0) {
+ ldout(cct, 0) << "failed to set latest epoch: " << cpp_strerror(-r) << dendl;
+ return r;
+ }
+ r = reflect();
+ if (r < 0) {
+ ldout(cct, 0) << "failed to update local objects: " << cpp_strerror(-r) << dendl;
+ return r;
+ }
+ ldout(cct, 4) << "Committed new epoch " << epoch
+ << " for period " << id << dendl;
+ realm.notify_new_period(*this);
+ return 0;
+}
+
+int RGWZoneParams::create_default(bool old_format)
+{
+ name = default_zone_name;
+
+ int r = create();
+ if (r < 0) {
+ return r;
+ }
+
+ if (old_format) {
+ name = id;
+ }
+
+ return r;
+}
+
+
+int get_zones_pool_set(CephContext* cct,
+ RGWRados* store,
+ const list<string>& zones,
+ const string& my_zone_id,
+ set<rgw_pool>& pool_names)
+{
+ for(auto const& iter : zones) {
+ RGWZoneParams zone(iter);
+ int r = zone.init(cct, store);
+ if (r < 0) {
+ ldout(cct, 0) << "Error: init zone " << iter << ":" << cpp_strerror(-r) << dendl;
+ return r;
+ }
+ if (zone.get_id() != my_zone_id) {
+ pool_names.insert(zone.domain_root);
+ pool_names.insert(zone.metadata_heap);
+ pool_names.insert(zone.control_pool);
+ pool_names.insert(zone.gc_pool);
+ pool_names.insert(zone.log_pool);
+ pool_names.insert(zone.intent_log_pool);
+ pool_names.insert(zone.usage_log_pool);
+ pool_names.insert(zone.user_keys_pool);
+ pool_names.insert(zone.user_email_pool);
+ pool_names.insert(zone.user_swift_pool);
+ pool_names.insert(zone.user_uid_pool);
+ pool_names.insert(zone.roles_pool);
+ pool_names.insert(zone.reshard_pool);
+ for(auto& iter : zone.placement_pools) {
+ pool_names.insert(iter.second.index_pool);
+ pool_names.insert(iter.second.data_pool);
+ pool_names.insert(iter.second.data_extra_pool);
+ }
+ }
+ }
+ return 0;
+}
+
+rgw_pool fix_zone_pool_dup(set<rgw_pool> pools,
+ const string& default_prefix,
+ const string& default_suffix,
+ const rgw_pool& suggested_pool)
+{
+ string suggested_name = suggested_pool.to_str();
+
+ string prefix = default_prefix;
+ string suffix = default_suffix;
+
+ if (!suggested_pool.empty()) {
+ prefix = suggested_name.substr(0, suggested_name.find("."));
+ suffix = suggested_name.substr(prefix.length());
+ }
+
+ rgw_pool pool(prefix + suffix);
+
+ if (pools.find(pool) == pools.end()) {
+ return pool;
+ } else {
+ while(true) {
+ pool = prefix + "_" + std::to_string(std::rand()) + suffix;
+ if (pools.find(pool) == pools.end()) {
+ return pool;
+ }
+ }
+ }
+}
+
+int RGWZoneParams::fix_pool_names()
+{
+
+ list<string> zones;
+ int r = store->list_zones(zones);
+ if (r < 0) {
+ ldout(cct, 10) << "WARNING: store->list_zones() returned r=" << r << dendl;
+ }
+
+ set<rgw_pool> pools;
+ r = get_zones_pool_set(cct, store, zones, id, pools);
+ if (r < 0) {
+ ldout(cct, 0) << "Error: get_zones_pool_names" << r << dendl;
+ return r;
+ }
+
+ domain_root = fix_zone_pool_dup(pools, name, ".rgw.meta:root", domain_root);
+ if (!metadata_heap.name.empty()) {
+ metadata_heap = fix_zone_pool_dup(pools, name, ".rgw.meta:heap", metadata_heap);
+ }
+ control_pool = fix_zone_pool_dup(pools, name, ".rgw.control", control_pool);
+ gc_pool = fix_zone_pool_dup(pools, name ,".rgw.log:gc", gc_pool);
+ lc_pool = fix_zone_pool_dup(pools, name ,".rgw.log:lc", lc_pool);
+ log_pool = fix_zone_pool_dup(pools, name, ".rgw.log", log_pool);
+ intent_log_pool = fix_zone_pool_dup(pools, name, ".rgw.log:intent", intent_log_pool);
+ usage_log_pool = fix_zone_pool_dup(pools, name, ".rgw.log:usage", usage_log_pool);
+ user_keys_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.keys", user_keys_pool);
+ user_email_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.email", user_email_pool);
+ user_swift_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.swift", user_swift_pool);
+ user_uid_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.uid", user_uid_pool);
+ roles_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:roles", roles_pool);
+ reshard_pool = fix_zone_pool_dup(pools, name, ".rgw.log:reshard", reshard_pool);
+
+ for(auto& iter : placement_pools) {
+ iter.second.index_pool = fix_zone_pool_dup(pools, name, "." + default_bucket_index_pool_suffix,
+ iter.second.index_pool);
+ iter.second.data_pool = fix_zone_pool_dup(pools, name, "." + default_storage_pool_suffix,
+ iter.second.data_pool);
+ iter.second.data_extra_pool= fix_zone_pool_dup(pools, name, "." + default_storage_extra_pool_suffix,
+ iter.second.data_extra_pool);
+ }
+
+ return 0;
+}
+
+int RGWZoneParams::create(bool exclusive)
+{
+ /* check for old pools config */
+ rgw_raw_obj obj(domain_root, avail_pools);
+ int r = store->raw_obj_stat(obj, NULL, NULL, NULL, NULL, NULL, NULL);
+ if (r < 0) {
+ ldout(store->ctx(), 10) << "couldn't find old data placement pools config, setting up new ones for the zone" << dendl;
+ /* a new system, let's set new placement info */
+ RGWZonePlacementInfo default_placement;
+ default_placement.index_pool = name + "." + default_bucket_index_pool_suffix;
+ default_placement.data_pool = name + "." + default_storage_pool_suffix;
+ default_placement.data_extra_pool = name + "." + default_storage_extra_pool_suffix;
+ placement_pools["default-placement"] = default_placement;
+ }
+
+ r = fix_pool_names();
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: fix_pool_names returned r=" << r << dendl;
+ return r;
+ }
+
+ r = RGWSystemMetaObj::create(exclusive);
+ if (r < 0) {
+ return r;
+ }
+
+ // try to set as default. may race with another create, so pass exclusive=true
+ // so we don't override an existing default
+ r = set_as_default(true);
+ if (r < 0 && r != -EEXIST) {
+ ldout(cct, 10) << "WARNING: failed to set zone as default, r=" << r << dendl;
+ }
+
+ return 0;
+}
+
+rgw_pool RGWZoneParams::get_pool(CephContext *cct)
+{
+ if (cct->_conf->rgw_zone_root_pool.empty()) {
+ return rgw_pool(RGW_DEFAULT_ZONE_ROOT_POOL);
+ }
+
+ return rgw_pool(cct->_conf->rgw_zone_root_pool);
+}
+
+const string RGWZoneParams::get_default_oid(bool old_format)
+{
+ if (old_format) {
+ return cct->_conf->rgw_default_zone_info_oid;
+ }
+
+ return cct->_conf->rgw_default_zone_info_oid + "." + realm_id;
+}
+
+const string& RGWZoneParams::get_names_oid_prefix()
+{
+ return zone_names_oid_prefix;
+}
+
+const string& RGWZoneParams::get_info_oid_prefix(bool old_format)
+{
+ return zone_info_oid_prefix;
+}
+
+const string& RGWZoneParams::get_predefined_name(CephContext *cct) {
+ return cct->_conf->rgw_zone;
+}
+
+int RGWZoneParams::init(CephContext *cct, RGWRados *store, bool setup_obj, bool old_format)
+{
+ if (name.empty()) {
+ name = cct->_conf->rgw_zone;
+ }
+
+ return RGWSystemMetaObj::init(cct, store, setup_obj, old_format);
+}
+
+int RGWZoneParams::read_default_id(string& default_id, bool old_format)
+{
+ if (realm_id.empty()) {
+ /* try using default realm */
+ RGWRealm realm;
+ int ret = realm.init(cct, store);
+ if (ret < 0) {
+ ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl;
+ return -ENOENT;
+ }
+ realm_id = realm.get_id();
+ }
+
+ return RGWSystemMetaObj::read_default_id(default_id, old_format);
+}
+
+
+int RGWZoneParams::set_as_default(bool exclusive)
+{
+ if (realm_id.empty()) {
+ /* try using default realm */
+ RGWRealm realm;
+ int ret = realm.init(cct, store);
+ if (ret < 0) {
+ ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl;
+ return -EINVAL;
+ }
+ realm_id = realm.get_id();
+ }
+
+ return RGWSystemMetaObj::set_as_default(exclusive);
+}
+
+const string& RGWZoneParams::get_compression_type(const string& placement_rule) const
+{
+ static const std::string NONE{"none"};
+ auto p = placement_pools.find(placement_rule);
+ if (p == placement_pools.end()) {
+ return NONE;
+ }
+ const auto& type = p->second.compression_type;
+ return !type.empty() ? type : NONE;
+}
+
+void RGWPeriodMap::encode(bufferlist& bl) const {
+ ENCODE_START(2, 1, bl);
+ ::encode(id, bl);
+ ::encode(zonegroups, bl);
+ ::encode(master_zonegroup, bl);
+ ::encode(short_zone_ids, bl);
+ ENCODE_FINISH(bl);
+}
+
+void RGWPeriodMap::decode(bufferlist::iterator& bl) {
+ DECODE_START(2, bl);
+ ::decode(id, bl);
+ ::decode(zonegroups, bl);
+ ::decode(master_zonegroup, bl);
+ if (struct_v >= 2) {
+ ::decode(short_zone_ids, bl);
+ }
+ DECODE_FINISH(bl);
+
+ zonegroups_by_api.clear();
+ for (map<string, RGWZoneGroup>::iterator iter = zonegroups.begin();
+ iter != zonegroups.end(); ++iter) {
+ RGWZoneGroup& zonegroup = iter->second;
+ zonegroups_by_api[zonegroup.api_name] = zonegroup;
+ if (zonegroup.is_master_zonegroup()) {
+ master_zonegroup = zonegroup.get_id();
+ }
+ }
+}
+
+// run an MD5 hash on the zone_id and return the first 32 bits
+static uint32_t gen_short_zone_id(const std::string zone_id)
+{
+ unsigned char md5[CEPH_CRYPTO_MD5_DIGESTSIZE];
+ MD5 hash;
+ hash.Update((const byte *)zone_id.c_str(), zone_id.size());
+ hash.Final(md5);
+
+ uint32_t short_id;
+ memcpy((char *)&short_id, md5, sizeof(short_id));
+ return std::max(short_id, 1u);
+}
+
+int RGWPeriodMap::update(const RGWZoneGroup& zonegroup, CephContext *cct)
+{
+ if (zonegroup.is_master_zonegroup() && (!master_zonegroup.empty() && zonegroup.get_id() != master_zonegroup)) {
+ ldout(cct,0) << "Error updating periodmap, multiple master zonegroups configured "<< dendl;
+ ldout(cct,0) << "master zonegroup: " << master_zonegroup << " and " << zonegroup.get_id() <<dendl;
+ return -EINVAL;
+ }
+ map<string, RGWZoneGroup>::iterator iter = zonegroups.find(zonegroup.get_id());
+ if (iter != zonegroups.end()) {
+ RGWZoneGroup& old_zonegroup = iter->second;
+ if (!old_zonegroup.api_name.empty()) {
+ zonegroups_by_api.erase(old_zonegroup.api_name);
+ }
+ }
+ zonegroups[zonegroup.get_id()] = zonegroup;
+
+ if (!zonegroup.api_name.empty()) {
+ zonegroups_by_api[zonegroup.api_name] = zonegroup;
+ }
+
+ if (zonegroup.is_master_zonegroup()) {
+ master_zonegroup = zonegroup.get_id();
+ } else if (master_zonegroup == zonegroup.get_id()) {
+ master_zonegroup = "";
+ }
+
+ for (auto& i : zonegroup.zones) {
+ auto& zone = i.second;
+ if (short_zone_ids.find(zone.id) != short_zone_ids.end()) {
+ continue;
+ }
+ // calculate the zone's short id
+ uint32_t short_id = gen_short_zone_id(zone.id);
+
+ // search for an existing zone with the same short id
+ for (auto& s : short_zone_ids) {
+ if (s.second == short_id) {
+ ldout(cct, 0) << "New zone '" << zone.name << "' (" << zone.id
+ << ") generates the same short_zone_id " << short_id
+ << " as existing zone id " << s.first << dendl;
+ return -EEXIST;
+ }
+ }
+
+ short_zone_ids[zone.id] = short_id;
+ }
+
+ return 0;
+}
+
+uint32_t RGWPeriodMap::get_zone_short_id(const string& zone_id) const
+{
+ auto i = short_zone_ids.find(zone_id);
+ if (i == short_zone_ids.end()) {
+ return 0;
+ }
+ return i->second;
+}
+
+int RGWZoneGroupMap::read(CephContext *cct, RGWRados *store)
+{
+
+ RGWPeriod period;
+ int ret = period.init(cct, store);
+ if (ret < 0) {
+ cerr << "failed to read current period info: " << cpp_strerror(ret);
+ return ret;
+ }
+
+ bucket_quota = period.get_config().bucket_quota;
+ user_quota = period.get_config().user_quota;
+ zonegroups = period.get_map().zonegroups;
+ zonegroups_by_api = period.get_map().zonegroups_by_api;
+ master_zonegroup = period.get_map().master_zonegroup;
+
+ return 0;
+}
+
+void RGWRegionMap::encode(bufferlist& bl) const {
+ ENCODE_START( 3, 1, bl);
+ ::encode(regions, bl);
+ ::encode(master_region, bl);
+ ::encode(bucket_quota, bl);
+ ::encode(user_quota, bl);
+ ENCODE_FINISH(bl);
+}
+
+void RGWRegionMap::decode(bufferlist::iterator& bl) {
+ DECODE_START(3, bl);
+ ::decode(regions, bl);
+ ::decode(master_region, bl);
+ if (struct_v >= 2)
+ ::decode(bucket_quota, bl);
+ if (struct_v >= 3)
+ ::decode(user_quota, bl);
+ DECODE_FINISH(bl);
+}
+
+void RGWZoneGroupMap::encode(bufferlist& bl) const {
+ ENCODE_START( 3, 1, bl);
+ ::encode(zonegroups, bl);
+ ::encode(master_zonegroup, bl);
+ ::encode(bucket_quota, bl);
+ ::encode(user_quota, bl);
+ ENCODE_FINISH(bl);
+}
+
+void RGWZoneGroupMap::decode(bufferlist::iterator& bl) {
+ DECODE_START(3, bl);
+ ::decode(zonegroups, bl);
+ ::decode(master_zonegroup, bl);
+ if (struct_v >= 2)
+ ::decode(bucket_quota, bl);
+ if (struct_v >= 3)
+ ::decode(user_quota, bl);
+ DECODE_FINISH(bl);
+
+ zonegroups_by_api.clear();
+ for (map<string, RGWZoneGroup>::iterator iter = zonegroups.begin();
+ iter != zonegroups.end(); ++iter) {
+ RGWZoneGroup& zonegroup = iter->second;
+ zonegroups_by_api[zonegroup.api_name] = zonegroup;
+ if (zonegroup.is_master_zonegroup()) {
+ master_zonegroup = zonegroup.get_name();
+ }
+ }
+}
+
+void RGWObjVersionTracker::prepare_op_for_read(ObjectReadOperation *op)
+{
+ obj_version *check_objv = version_for_check();
+
+ if (check_objv) {
+ cls_version_check(*op, *check_objv, VER_COND_EQ);
+ }
+
+ cls_version_read(*op, &read_version);
+}
+
+void RGWObjVersionTracker::prepare_op_for_write(ObjectWriteOperation *op)
+{
+ obj_version *check_objv = version_for_check();
+ obj_version *modify_version = version_for_write();
+
+ if (check_objv) {
+ cls_version_check(*op, *check_objv, VER_COND_EQ);
+ }
+
+ if (modify_version) {
+ cls_version_set(*op, *modify_version);
+ } else {
+ cls_version_inc(*op);
+ }
+}
+
+void RGWObjManifest::obj_iterator::operator++()
+{
+ if (manifest->explicit_objs) {
+ ++explicit_iter;
+
+ if (explicit_iter == manifest->objs.end()) {
+ ofs = manifest->obj_size;
+ return;
+ }
+
+ update_explicit_pos();
+
+ update_location();
+ return;
+ }
+
+ uint64_t obj_size = manifest->get_obj_size();
+ uint64_t head_size = manifest->get_head_size();
+
+ if (ofs == obj_size) {
+ return;
+ }
+
+ if (manifest->rules.empty()) {
+ return;
+ }
+
+ /* are we still pointing at the head? */
+ if (ofs < head_size) {
+ rule_iter = manifest->rules.begin();
+ RGWObjManifestRule *rule = &rule_iter->second;
+ ofs = MIN(head_size, obj_size);
+ stripe_ofs = ofs;
+ cur_stripe = 1;
+ stripe_size = MIN(obj_size - ofs, rule->stripe_max_size);
+ if (rule->part_size > 0) {
+ stripe_size = MIN(stripe_size, rule->part_size);
+ }
+ update_location();
+ return;
+ }
+
+ RGWObjManifestRule *rule = &rule_iter->second;
+
+ stripe_ofs += rule->stripe_max_size;
+ cur_stripe++;
+ dout(20) << "RGWObjManifest::operator++(): rule->part_size=" << rule->part_size << " rules.size()=" << manifest->rules.size() << dendl;
+
+ if (rule->part_size > 0) {
+ /* multi part, multi stripes object */
+
+ dout(20) << "RGWObjManifest::operator++(): stripe_ofs=" << stripe_ofs << " part_ofs=" << part_ofs << " rule->part_size=" << rule->part_size << dendl;
+
+ if (stripe_ofs >= part_ofs + rule->part_size) {
+ /* moved to the next part */
+ cur_stripe = 0;
+ part_ofs += rule->part_size;
+ stripe_ofs = part_ofs;
+
+ bool last_rule = (next_rule_iter == manifest->rules.end());
+ /* move to the next rule? */
+ if (!last_rule && stripe_ofs >= next_rule_iter->second.start_ofs) {
+ rule_iter = next_rule_iter;
+ last_rule = (next_rule_iter == manifest->rules.end());
+ if (!last_rule) {
+ ++next_rule_iter;
+ }
+ cur_part_id = rule_iter->second.start_part_num;
+ } else {
+ cur_part_id++;
+ }
+
+ rule = &rule_iter->second;
+ }
+
+ stripe_size = MIN(rule->part_size - (stripe_ofs - part_ofs), rule->stripe_max_size);
+ }
+
+ cur_override_prefix = rule->override_prefix;
+
+ ofs = stripe_ofs;
+ if (ofs > obj_size) {
+ ofs = obj_size;
+ stripe_ofs = ofs;
+ stripe_size = 0;
+ }
+
+ dout(20) << "RGWObjManifest::operator++(): result: ofs=" << ofs << " stripe_ofs=" << stripe_ofs << " part_ofs=" << part_ofs << " rule->part_size=" << rule->part_size << dendl;
+ update_location();
+}
+
+int RGWObjManifest::generator::create_begin(CephContext *cct, RGWObjManifest *_m, const string& placement_rule, rgw_bucket& _b, rgw_obj& _obj)
+{
+ manifest = _m;
+
+ manifest->set_tail_placement(placement_rule, _b);
+ manifest->set_head(placement_rule, _obj, 0);
+ last_ofs = 0;
+
+ if (manifest->get_prefix().empty()) {
+ char buf[33];
+ gen_rand_alphanumeric(cct, buf, sizeof(buf) - 1);
+
+ string oid_prefix = ".";
+ oid_prefix.append(buf);
+ oid_prefix.append("_");
+
+ manifest->set_prefix(oid_prefix);
+ }
+
+ bool found = manifest->get_rule(0, &rule);
+ if (!found) {
+ derr << "ERROR: manifest->get_rule() could not find rule" << dendl;
+ return -EIO;
+ }
+
+ uint64_t head_size = manifest->get_head_size();
+
+ if (head_size > 0) {
+ cur_stripe_size = head_size;
+ } else {
+ cur_stripe_size = rule.stripe_max_size;
+ }
+
+ cur_part_id = rule.start_part_num;
+
+ manifest->get_implicit_location(cur_part_id, cur_stripe, 0, NULL, &cur_obj);
+
+ // Normal object which not generated through copy operation
+ manifest->set_tail_instance(_obj.key.instance);
+
+ manifest->update_iterators();
+
+ return 0;
+}
+
+int RGWObjManifest::generator::create_next(uint64_t ofs)
+{
+ if (ofs < last_ofs) /* only going forward */
+ return -EINVAL;
+
+ uint64_t max_head_size = manifest->get_max_head_size();
+
+ if (ofs < max_head_size) {
+ manifest->set_head_size(ofs);
+ }
+
+ if (ofs >= max_head_size) {
+ manifest->set_head_size(max_head_size);
+ cur_stripe = (ofs - max_head_size) / rule.stripe_max_size;
+ cur_stripe_size = rule.stripe_max_size;
+
+ if (cur_part_id == 0 && max_head_size > 0) {
+ cur_stripe++;
+ }
+ }
+
+ last_ofs = ofs;
+ manifest->set_obj_size(ofs);
+
+ manifest->get_implicit_location(cur_part_id, cur_stripe, ofs, NULL, &cur_obj);
+
+ manifest->update_iterators();
+
+ return 0;
+}
+
+const RGWObjManifest::obj_iterator& RGWObjManifest::obj_begin()
+{
+ return begin_iter;
+}
+
+const RGWObjManifest::obj_iterator& RGWObjManifest::obj_end()
+{
+ return end_iter;
+}
+
+RGWObjManifest::obj_iterator RGWObjManifest::obj_find(uint64_t ofs)
+{
+ if (ofs > obj_size) {
+ ofs = obj_size;
+ }
+ RGWObjManifest::obj_iterator iter(this);
+ iter.seek(ofs);
+ return iter;
+}
+
+int RGWObjManifest::append(RGWObjManifest& m, RGWZoneGroup& zonegroup, RGWZoneParams& zone_params)
+{
+ if (explicit_objs || m.explicit_objs) {
+ return append_explicit(m, zonegroup, zone_params);
+ }
+
+ if (rules.empty()) {
+ *this = m;
+ return 0;
+ }
+
+ string override_prefix;
+
+ if (prefix.empty()) {
+ prefix = m.prefix;
+ }
+
+ if (prefix != m.prefix) {
+ override_prefix = m.prefix;
+ }
+
+ map<uint64_t, RGWObjManifestRule>::iterator miter = m.rules.begin();
+ if (miter == m.rules.end()) {
+ return append_explicit(m, zonegroup, zone_params);
+ }
+
+ for (; miter != m.rules.end(); ++miter) {
+ map<uint64_t, RGWObjManifestRule>::reverse_iterator last_rule = rules.rbegin();
+
+ RGWObjManifestRule& rule = last_rule->second;
+
+ if (rule.part_size == 0) {
+ rule.part_size = obj_size - rule.start_ofs;
+ }
+
+ RGWObjManifestRule& next_rule = miter->second;
+ if (!next_rule.part_size) {
+ next_rule.part_size = m.obj_size - next_rule.start_ofs;
+ }
+
+ string rule_prefix = prefix;
+ if (!rule.override_prefix.empty()) {
+ rule_prefix = rule.override_prefix;
+ }
+
+ string next_rule_prefix = m.prefix;
+ if (!next_rule.override_prefix.empty()) {
+ next_rule_prefix = next_rule.override_prefix;
+ }
+
+ if (rule.part_size != next_rule.part_size ||
+ rule.stripe_max_size != next_rule.stripe_max_size ||
+ rule_prefix != next_rule_prefix) {
+ if (next_rule_prefix != prefix) {
+ append_rules(m, miter, &next_rule_prefix);
+ } else {
+ append_rules(m, miter, NULL);
+ }
+ break;
+ }
+
+ uint64_t expected_part_num = rule.start_part_num + 1;
+ if (rule.part_size > 0) {
+ expected_part_num = rule.start_part_num + (obj_size + next_rule.start_ofs - rule.start_ofs) / rule.part_size;
+ }
+
+ if (expected_part_num != next_rule.start_part_num) {
+ append_rules(m, miter, NULL);
+ break;
+ }
+ }
+
+ set_obj_size(obj_size + m.obj_size);
+
+ return 0;
+}
+
+int RGWObjManifest::append(RGWObjManifest& m, RGWRados *store)
+{
+ return append(m, store->get_zonegroup(), store->get_zone_params());
+}
+
+void RGWObjManifest::append_rules(RGWObjManifest& m, map<uint64_t, RGWObjManifestRule>::iterator& miter,
+ string *override_prefix)
+{
+ for (; miter != m.rules.end(); ++miter) {
+ RGWObjManifestRule rule = miter->second;
+ rule.start_ofs += obj_size;
+ if (override_prefix)
+ rule.override_prefix = *override_prefix;
+ rules[rule.start_ofs] = rule;
+ }
+}
+
+void RGWObjManifest::convert_to_explicit(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params)
+{
+ if (explicit_objs) {
+ return;
+ }
+ obj_iterator iter = obj_begin();
+
+ while (iter != obj_end()) {
+ RGWObjManifestPart& part = objs[iter.get_stripe_ofs()];
+ const rgw_obj_select& os = iter.get_location();
+ const rgw_raw_obj& raw_loc = os.get_raw_obj(zonegroup, zone_params);
+ part.loc_ofs = 0;
+
+ uint64_t ofs = iter.get_stripe_ofs();
+
+ if (ofs == 0) {
+ part.loc = obj;
+ } else {
+ rgw_raw_obj_to_obj(tail_placement.bucket, raw_loc, &part.loc);
+ }
+ ++iter;
+ uint64_t next_ofs = iter.get_stripe_ofs();
+
+ part.size = next_ofs - ofs;
+ }
+
+ explicit_objs = true;
+ rules.clear();
+ prefix.clear();
+}
+
+int RGWObjManifest::append_explicit(RGWObjManifest& m, const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params)
+{
+ if (!explicit_objs) {
+ convert_to_explicit(zonegroup, zone_params);
+ }
+ if (!m.explicit_objs) {
+ m.convert_to_explicit(zonegroup, zone_params);
+ }
+ map<uint64_t, RGWObjManifestPart>::iterator iter;
+ uint64_t base = obj_size;
+ for (iter = m.objs.begin(); iter != m.objs.end(); ++iter) {
+ RGWObjManifestPart& part = iter->second;
+ objs[base + iter->first] = part;
+ }
+ obj_size += m.obj_size;
+
+ return 0;
+}
+
+bool RGWObjManifest::get_rule(uint64_t ofs, RGWObjManifestRule *rule)
+{
+ if (rules.empty()) {
+ return false;
+ }
+
+ map<uint64_t, RGWObjManifestRule>::iterator iter = rules.upper_bound(ofs);
+ if (iter != rules.begin()) {
+ --iter;
+ }
+
+ *rule = iter->second;
+
+ return true;
+}
+
+void RGWObjVersionTracker::generate_new_write_ver(CephContext *cct)
+{
+ write_version.ver = 1;
+#define TAG_LEN 24
+
+ write_version.tag.clear();
+ append_rand_alpha(cct, write_version.tag, write_version.tag, TAG_LEN);
+}
+
+int RGWPutObjProcessor::complete(size_t accounted_size, const string& etag,
+ real_time *mtime, real_time set_mtime,
+ map<string, bufferlist>& attrs, real_time delete_at,
+ const char *if_match, const char *if_nomatch, const string *user_data,
+ rgw_zone_set *zones_trace)
+{
+ int r = do_complete(accounted_size, etag, mtime, set_mtime, attrs, delete_at, if_match, if_nomatch, user_data, zones_trace);
+ if (r < 0)
+ return r;
+
+ is_complete = !canceled;
+ return 0;
+}
+
+CephContext *RGWPutObjProcessor::ctx()
+{
+ return store->ctx();
+}
+
+RGWPutObjProcessor_Aio::~RGWPutObjProcessor_Aio()
+{
+ drain_pending();
+
+ if (is_complete)
+ return;
+
+ set<rgw_raw_obj>::iterator iter;
+ bool need_to_remove_head = false;
+ rgw_raw_obj raw_head;
+
+ if (!head_obj.empty()) {
+ store->obj_to_raw(bucket_info.placement_rule, head_obj, &raw_head);
+ }
+
+ /**
+ * We should delete the object in the "multipart" namespace to avoid race condition.
+ * Such race condition is caused by the fact that the multipart object is the gatekeeper of a multipart
+ * upload, when it is deleted, a second upload would start with the same suffix("2/"), therefore, objects
+ * written by the second upload may be deleted by the first upload.
+ * details is describled on #11749
+ *
+ * The above comment still stands, but instead of searching for a specific object in the multipart
+ * namespace, we just make sure that we remove the object that is marked as the head object after
+ * we remove all the other raw objects. Note that we use different call to remove the head object,
+ * as this one needs to go via the bucket index prepare/complete 2-phase commit scheme.
+ */
+ for (iter = written_objs.begin(); iter != written_objs.end(); ++iter) {
+ const rgw_raw_obj& obj = *iter;
+ if (!head_obj.empty() && obj == raw_head) {
+ ldout(store->ctx(), 5) << "NOTE: we should not process the head object (" << obj << ") here" << dendl;
+ need_to_remove_head = true;
+ continue;
+ }
+
+ int r = store->delete_raw_obj(obj);
+ if (r < 0 && r != -ENOENT) {
+ ldout(store->ctx(), 5) << "WARNING: failed to remove obj (" << obj << "), leaked" << dendl;
+ }
+ }
+
+ if (need_to_remove_head) {
+ ldout(store->ctx(), 5) << "NOTE: we are going to process the head obj (" << raw_head << ")" << dendl;
+ int r = store->delete_obj(obj_ctx, bucket_info, head_obj, 0, 0);
+ if (r < 0 && r != -ENOENT) {
+ ldout(store->ctx(), 0) << "WARNING: failed to remove obj (" << raw_head << "), leaked" << dendl;
+ }
+ }
+}
+
+int RGWPutObjProcessor_Aio::handle_obj_data(rgw_raw_obj& obj, bufferlist& bl, off_t ofs, off_t abs_ofs, void **phandle, bool exclusive)
+{
+ if ((uint64_t)abs_ofs + bl.length() > obj_len)
+ obj_len = abs_ofs + bl.length();
+
+ if (!(obj == last_written_obj)) {
+ last_written_obj = obj;
+ }
+
+ // For the first call pass -1 as the offset to
+ // do a write_full.
+ return store->aio_put_obj_data(NULL, obj, bl, ((ofs != 0) ? ofs : -1), exclusive, phandle);
+}
+
+struct put_obj_aio_info RGWPutObjProcessor_Aio::pop_pending()
+{
+ struct put_obj_aio_info info;
+ info = pending.front();
+ pending.pop_front();
+ pending_size -= info.size;
+ return info;
+}
+
+int RGWPutObjProcessor_Aio::wait_pending_front()
+{
+ if (pending.empty()) {
+ return 0;
+ }
+ struct put_obj_aio_info info = pop_pending();
+ int ret = store->aio_wait(info.handle);
+
+ if (ret >= 0) {
+ add_written_obj(info.obj);
+ }
+
+ return ret;
+}
+
+bool RGWPutObjProcessor_Aio::pending_has_completed()
+{
+ if (pending.empty())
+ return false;
+
+ struct put_obj_aio_info& info = pending.front();
+ return store->aio_completed(info.handle);
+}
+
+int RGWPutObjProcessor_Aio::drain_pending()
+{
+ int ret = 0;
+ while (!pending.empty()) {
+ int r = wait_pending_front();
+ if (r < 0)
+ ret = r;
+ }
+ return ret;
+}
+
+int RGWPutObjProcessor_Aio::throttle_data(void *handle, const rgw_raw_obj& obj, uint64_t size, bool need_to_wait)
+{
+ bool _wait = need_to_wait;
+
+ if (handle) {
+ struct put_obj_aio_info info;
+ info.handle = handle;
+ info.obj = obj;
+ info.size = size;
+ pending_size += size;
+ pending.push_back(info);
+ }
+ size_t orig_size = pending_size;
+
+ /* first drain complete IOs */
+ while (pending_has_completed()) {
+ int r = wait_pending_front();
+ if (r < 0)
+ return r;
+
+ _wait = false;
+ }
+
+ /* resize window in case messages are draining too fast */
+ if (orig_size - pending_size >= window_size) {
+ window_size += store->ctx()->_conf->rgw_max_chunk_size;
+ uint64_t max_window_size = store->ctx()->_conf->rgw_put_obj_max_window_size;
+ if (window_size > max_window_size) {
+ window_size = max_window_size;
+ }
+ }
+
+ /* now throttle. Note that need_to_wait should only affect the first IO operation */
+ if (pending_size > window_size || _wait) {
+ int r = wait_pending_front();
+ if (r < 0)
+ return r;
+ }
+ return 0;
+}
+
+int RGWPutObjProcessor_Atomic::write_data(bufferlist& bl, off_t ofs, void **phandle, rgw_raw_obj *pobj, bool exclusive)
+{
+ if (ofs >= next_part_ofs) {
+ int r = prepare_next_part(ofs);
+ if (r < 0) {
+ return r;
+ }
+ }
+
+ *pobj = cur_obj;
+
+ if (!bl.length()) {
+ *phandle = nullptr;
+ return 0;
+ }
+
+ return RGWPutObjProcessor_Aio::handle_obj_data(cur_obj, bl, ofs - cur_part_ofs, ofs, phandle, exclusive);
+}
+
+int RGWPutObjProcessor_Aio::prepare(RGWRados *store, string *oid_rand)
+{
+ RGWPutObjProcessor::prepare(store, oid_rand);
+
+ window_size = store->ctx()->_conf->rgw_put_obj_min_window_size;
+
+ return 0;
+}
+
+int RGWPutObjProcessor_Atomic::handle_data(bufferlist& bl, off_t ofs, void **phandle, rgw_raw_obj *pobj, bool *again)
+{
+ *phandle = NULL;
+ uint64_t max_write_size = MIN(max_chunk_size, (uint64_t)next_part_ofs - data_ofs);
+
+ pending_data_bl.claim_append(bl);
+ if (pending_data_bl.length() < max_write_size) {
+ *again = false;
+ return 0;
+ }
+
+ pending_data_bl.splice(0, max_write_size, &bl);
+
+ /* do we have enough data pending accumulated that needs to be written? */
+ *again = (pending_data_bl.length() >= max_chunk_size);
+
+ if (!data_ofs && !immutable_head()) {
+ first_chunk.claim(bl);
+ obj_len = (uint64_t)first_chunk.length();
+ int r = prepare_next_part(obj_len);
+ if (r < 0) {
+ return r;
+ }
+ data_ofs = obj_len;
+ return 0;
+ }
+ off_t write_ofs = data_ofs;
+ data_ofs = write_ofs + bl.length();
+ bool exclusive = (!write_ofs && immutable_head()); /* immutable head object, need to verify nothing exists there
+ we could be racing with another upload, to the same
+ object and cleanup can be messy */
+ int ret = write_data(bl, write_ofs, phandle, pobj, exclusive);
+ if (ret >= 0) { /* we might return, need to clear bl as it was already sent */
+ bl.clear();
+ }
+ return ret;
+}
+
+
+int RGWPutObjProcessor_Atomic::prepare_init(RGWRados *store, string *oid_rand)
+{
+ RGWPutObjProcessor_Aio::prepare(store, oid_rand);
+
+ int r = store->get_max_chunk_size(bucket_info.placement_rule, head_obj, &max_chunk_size);
+ if (r < 0) {
+ return r;
+ }
+
+ return 0;
+}
+
+int RGWPutObjProcessor_Atomic::prepare(RGWRados *store, string *oid_rand)
+{
+ head_obj.init(bucket, obj_str);
+
+ int r = prepare_init(store, oid_rand);
+ if (r < 0) {
+ return r;
+ }
+
+ if (!version_id.empty()) {
+ head_obj.key.set_instance(version_id);
+ } else if (versioned_object) {
+ store->gen_rand_obj_instance_name(&head_obj);
+ }
+
+ manifest.set_trivial_rule(max_chunk_size, store->ctx()->_conf->rgw_obj_stripe_size);
+
+ r = manifest_gen.create_begin(store->ctx(), &manifest, bucket_info.placement_rule, head_obj.bucket, head_obj);
+ if (r < 0) {
+ return r;
+ }
+
+ return 0;
+}
+
+int RGWPutObjProcessor_Atomic::prepare_next_part(off_t ofs) {
+
+ int ret = manifest_gen.create_next(ofs);
+ if (ret < 0) {
+ lderr(store->ctx()) << "ERROR: manifest_gen.create_next() returned ret=" << ret << dendl;
+ return ret;
+ }
+ cur_part_ofs = ofs;
+ next_part_ofs = ofs + manifest_gen.cur_stripe_max_size();
+ cur_obj = manifest_gen.get_cur_obj(store);
+
+ return 0;
+}
+
+int RGWPutObjProcessor_Atomic::complete_parts()
+{
+ if (obj_len > (uint64_t)cur_part_ofs) {
+ return prepare_next_part(obj_len);
+ }
+ return 0;
+}
+
+int RGWPutObjProcessor_Atomic::complete_writing_data()
+{
+ if (!data_ofs && !immutable_head()) {
+ /* only claim if pending_data_bl() is not empty. This is needed because we might be called twice
+ * (e.g., when a retry due to race happens). So a second call to first_chunk.claim() would
+ * clobber first_chunk
+ */
+ if (pending_data_bl.length() > 0) {
+ first_chunk.claim(pending_data_bl);
+ }
+ obj_len = (uint64_t)first_chunk.length();
+ }
+ while (pending_data_bl.length()) {
+ void *handle = nullptr;
+ rgw_raw_obj obj;
+ uint64_t max_write_size = MIN(max_chunk_size, (uint64_t)next_part_ofs - data_ofs);
+ if (max_write_size > pending_data_bl.length()) {
+ max_write_size = pending_data_bl.length();
+ }
+ bufferlist bl;
+ pending_data_bl.splice(0, max_write_size, &bl);
+ uint64_t write_len = bl.length();
+ int r = write_data(bl, data_ofs, &handle, &obj, false);
+ if (r < 0) {
+ ldout(store->ctx(), 0) << "ERROR: write_data() returned " << r << dendl;
+ return r;
+ }
+ data_ofs += write_len;
+ r = throttle_data(handle, obj, write_len, false);
+ if (r < 0) {
+ ldout(store->ctx(), 0) << "ERROR: throttle_data() returned " << r << dendl;
+ return r;
+ }
+
+ if (data_ofs >= next_part_ofs) {
+ r = prepare_next_part(data_ofs);
+ if (r < 0) {
+ ldout(store->ctx(), 0) << "ERROR: prepare_next_part() returned " << r << dendl;
+ return r;
+ }
+ }
+ }
+ int r = complete_parts();
+ if (r < 0) {
+ return r;
+ }
+
+ r = drain_pending();
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+int RGWPutObjProcessor_Atomic::do_complete(size_t accounted_size, const string& etag,
+ real_time *mtime, real_time set_mtime,
+ map<string, bufferlist>& attrs,
+ real_time delete_at,
+ const char *if_match,
+ const char *if_nomatch, const string *user_data,
+ rgw_zone_set *zones_trace) {
+ int r = complete_writing_data();
+ if (r < 0)
+ return r;
+
+ obj_ctx.obj.set_atomic(head_obj);
+
+ RGWRados::Object op_target(store, bucket_info, obj_ctx, head_obj);
+
+ /* some object types shouldn't be versioned, e.g., multipart parts */
+ op_target.set_versioning_disabled(!versioned_object);
+
+ RGWRados::Object::Write obj_op(&op_target);
+
+ obj_op.meta.data = &first_chunk;
+ obj_op.meta.manifest = &manifest;
+ obj_op.meta.ptag = &unique_tag; /* use req_id as operation tag */
+ obj_op.meta.if_match = if_match;
+ obj_op.meta.if_nomatch = if_nomatch;
+ obj_op.meta.mtime = mtime;
+ obj_op.meta.set_mtime = set_mtime;
+ obj_op.meta.owner = bucket_info.owner;
+ obj_op.meta.flags = PUT_OBJ_CREATE;
+ obj_op.meta.olh_epoch = olh_epoch;
+ obj_op.meta.delete_at = delete_at;
+ obj_op.meta.user_data = user_data;
+ obj_op.meta.zones_trace = zones_trace;
+ obj_op.meta.modify_tail = true;
+
+ r = obj_op.write_meta(obj_len, accounted_size, attrs);
+ if (r < 0) {
+ return r;
+ }
+
+ canceled = obj_op.meta.canceled;
+
+ return 0;
+}
+
+int RGWRados::watch(const string& oid, uint64_t *watch_handle, librados::WatchCtx2 *ctx) {
+ int r = control_pool_ctx.watch2(oid, watch_handle, ctx);
+ if (r < 0)
+ return r;
+ return 0;
+}
+
+int RGWRados::unwatch(uint64_t watch_handle)
+{
+ int r = control_pool_ctx.unwatch2(watch_handle);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: rados->unwatch2() returned r=" << r << dendl;
+ return r;
+ }
+ r = rados[0].watch_flush();
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: rados->watch_flush() returned r=" << r << dendl;
+ return r;
+ }
+ return 0;
+}
+
+void RGWRados::add_watcher(int i)
+{
+ ldout(cct, 20) << "add_watcher() i=" << i << dendl;
+ Mutex::Locker l(watchers_lock);
+ watchers_set.insert(i);
+ if (watchers_set.size() == (size_t)num_watchers) {
+ ldout(cct, 2) << "all " << num_watchers << " watchers are set, enabling cache" << dendl;
+ set_cache_enabled(true);
+ }
+}
+
+void RGWRados::remove_watcher(int i)
+{
+ ldout(cct, 20) << "remove_watcher() i=" << i << dendl;
+ Mutex::Locker l(watchers_lock);
+ size_t orig_size = watchers_set.size();
+ watchers_set.erase(i);
+ if (orig_size == (size_t)num_watchers &&
+ watchers_set.size() < orig_size) { /* actually removed */
+ ldout(cct, 2) << "removed watcher, disabling cache" << dendl;
+ set_cache_enabled(false);
+ }
+}
+
+class RGWWatcher : public librados::WatchCtx2 {
+ RGWRados *rados;
+ int index;
+ string oid;
+ uint64_t watch_handle;
+
+ class C_ReinitWatch : public Context {
+ RGWWatcher *watcher;
+ public:
+ explicit C_ReinitWatch(RGWWatcher *_watcher) : watcher(_watcher) {}
+ void finish(int r) override {
+ watcher->reinit();
+ }
+ };
+public:
+ RGWWatcher(RGWRados *r, int i, const string& o) : rados(r), index(i), oid(o), watch_handle(0) {}
+ void handle_notify(uint64_t notify_id,
+ uint64_t cookie,
+ uint64_t notifier_id,
+ bufferlist& bl) override {
+ ldout(rados->ctx(), 10) << "RGWWatcher::handle_notify() "
+ << " notify_id " << notify_id
+ << " cookie " << cookie
+ << " notifier " << notifier_id
+ << " bl.length()=" << bl.length() << dendl;
+ rados->watch_cb(notify_id, cookie, notifier_id, bl);
+
+ bufferlist reply_bl; // empty reply payload
+ rados->control_pool_ctx.notify_ack(oid, notify_id, cookie, reply_bl);
+ }
+ void handle_error(uint64_t cookie, int err) override {
+ lderr(rados->ctx()) << "RGWWatcher::handle_error cookie " << cookie
+ << " err " << cpp_strerror(err) << dendl;
+ rados->remove_watcher(index);
+ rados->schedule_context(new C_ReinitWatch(this));
+ }
+
+ void reinit() {
+ int ret = unregister_watch();
+ if (ret < 0) {
+ ldout(rados->ctx(), 0) << "ERROR: unregister_watch() returned ret=" << ret << dendl;
+ return;
+ }
+ ret = register_watch();
+ if (ret < 0) {
+ ldout(rados->ctx(), 0) << "ERROR: register_watch() returned ret=" << ret << dendl;
+ return;
+ }
+ }
+
+ int unregister_watch() {
+ int r = rados->unwatch(watch_handle);
+ if (r < 0) {
+ return r;
+ }
+ rados->remove_watcher(index);
+ return 0;
+ }
+
+ int register_watch() {
+ int r = rados->watch(oid, &watch_handle, this);
+ if (r < 0) {
+ return r;
+ }
+ rados->add_watcher(index);
+ return 0;
+ }
+};
+
+class RGWMetaNotifierManager : public RGWCoroutinesManager {
+ RGWRados *store;
+ RGWHTTPManager http_manager;
+
+public:
+ RGWMetaNotifierManager(RGWRados *_store) : RGWCoroutinesManager(_store->ctx(), _store->get_cr_registry()), store(_store),
+ http_manager(store->ctx(), completion_mgr) {
+ http_manager.set_threaded();
+ }
+
+ int notify_all(map<string, RGWRESTConn *>& conn_map, set<int>& shards) {
+ rgw_http_param_pair pairs[] = { { "type", "metadata" },
+ { "notify", NULL },
+ { NULL, NULL } };
+
+ list<RGWCoroutinesStack *> stacks;
+ for (map<string, RGWRESTConn *>::iterator iter = conn_map.begin(); iter != conn_map.end(); ++iter) {
+ RGWRESTConn *conn = iter->second;
+ RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), this);
+ stack->call(new RGWPostRESTResourceCR<set<int>, int>(store->ctx(), conn, &http_manager, "/admin/log", pairs, shards, NULL));
+
+ stacks.push_back(stack);
+ }
+ return run(stacks);
+ }
+};
+
+class RGWDataNotifierManager : public RGWCoroutinesManager {
+ RGWRados *store;
+ RGWHTTPManager http_manager;
+
+public:
+ RGWDataNotifierManager(RGWRados *_store) : RGWCoroutinesManager(_store->ctx(), _store->get_cr_registry()), store(_store),
+ http_manager(store->ctx(), completion_mgr) {
+ http_manager.set_threaded();
+ }
+
+ int notify_all(map<string, RGWRESTConn *>& conn_map, map<int, set<string> >& shards) {
+ rgw_http_param_pair pairs[] = { { "type", "data" },
+ { "notify", NULL },
+ { "source-zone", store->get_zone_params().get_id().c_str() },
+ { NULL, NULL } };
+
+ list<RGWCoroutinesStack *> stacks;
+ for (map<string, RGWRESTConn *>::iterator iter = conn_map.begin(); iter != conn_map.end(); ++iter) {
+ RGWRESTConn *conn = iter->second;
+ RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), this);
+ stack->call(new RGWPostRESTResourceCR<map<int, set<string> >, int>(store->ctx(), conn, &http_manager, "/admin/log", pairs, shards, NULL));
+
+ stacks.push_back(stack);
+ }
+ return run(stacks);
+ }
+};
+
+class RGWRadosThread {
+ class Worker : public Thread {
+ CephContext *cct;
+ RGWRadosThread *processor;
+ Mutex lock;
+ Cond cond;
+
+ void wait() {
+ Mutex::Locker l(lock);
+ cond.Wait(lock);
+ };
+
+ void wait_interval(const utime_t& wait_time) {
+ Mutex::Locker l(lock);
+ cond.WaitInterval(lock, wait_time);
+ }
+
+ public:
+ Worker(CephContext *_cct, RGWRadosThread *_p) : cct(_cct), processor(_p), lock("RGWRadosThread::Worker") {}
+ void *entry() override;
+ void signal() {
+ Mutex::Locker l(lock);
+ cond.Signal();
+ }
+ };
+
+ Worker *worker;
+
+protected:
+ CephContext *cct;
+ RGWRados *store;
+
+ std::atomic<bool> down_flag = { false };
+
+ string thread_name;
+
+ virtual uint64_t interval_msec() = 0;
+ virtual void stop_process() {}
+public:
+ RGWRadosThread(RGWRados *_store, const string& thread_name = "radosgw")
+ : worker(NULL), cct(_store->ctx()), store(_store), thread_name(thread_name) {}
+ virtual ~RGWRadosThread() {
+ stop();
+ }
+
+ virtual int init() { return 0; }
+ virtual int process() = 0;
+
+ bool going_down() { return down_flag; }
+
+ void start();
+ void stop();
+
+ void signal() {
+ if (worker) {
+ worker->signal();
+ }
+ }
+};
+
+void RGWRadosThread::start()
+{
+ worker = new Worker(cct, this);
+ worker->create(thread_name.c_str());
+}
+
+void RGWRadosThread::stop()
+{
+ down_flag = true;
+ stop_process();
+ if (worker) {
+ worker->signal();
+ worker->join();
+ }
+ delete worker;
+ worker = NULL;
+}
+
+void *RGWRadosThread::Worker::entry() {
+ uint64_t msec = processor->interval_msec();
+ utime_t interval = utime_t(msec / 1000, (msec % 1000) * 1000000);
+
+ do {
+ utime_t start = ceph_clock_now();
+ int r = processor->process();
+ if (r < 0) {
+ dout(0) << "ERROR: processor->process() returned error r=" << r << dendl;
+ }
+
+ if (processor->going_down())
+ break;
+
+ utime_t end = ceph_clock_now();
+ end -= start;
+
+ uint64_t cur_msec = processor->interval_msec();
+ if (cur_msec != msec) { /* was it reconfigured? */
+ msec = cur_msec;
+ interval = utime_t(msec / 1000, (msec % 1000) * 1000000);
+ }
+
+ if (cur_msec > 0) {
+ if (interval <= end)
+ continue; // next round
+
+ utime_t wait_time = interval;
+ wait_time -= end;
+
+ wait_interval(wait_time);
+ } else {
+ wait();
+ }
+ } while (!processor->going_down());
+
+ return NULL;
+}
+
+class RGWMetaNotifier : public RGWRadosThread {
+ RGWMetaNotifierManager notify_mgr;
+ RGWMetadataLog *const log;
+
+ uint64_t interval_msec() override {
+ return cct->_conf->rgw_md_notify_interval_msec;
+ }
+public:
+ RGWMetaNotifier(RGWRados *_store, RGWMetadataLog* log)
+ : RGWRadosThread(_store, "meta-notifier"), notify_mgr(_store), log(log) {}
+
+ int process() override;
+};
+
+int RGWMetaNotifier::process()
+{
+ set<int> shards;
+
+ log->read_clear_modified(shards);
+
+ if (shards.empty()) {
+ return 0;
+ }
+
+ for (set<int>::iterator iter = shards.begin(); iter != shards.end(); ++iter) {
+ ldout(cct, 20) << __func__ << "(): notifying mdlog change, shard_id=" << *iter << dendl;
+ }
+
+ notify_mgr.notify_all(store->zone_conn_map, shards);
+
+ return 0;
+}
+
+class RGWDataNotifier : public RGWRadosThread {
+ RGWDataNotifierManager notify_mgr;
+
+ uint64_t interval_msec() override {
+ return cct->_conf->get_val<int64_t>("rgw_data_notify_interval_msec");
+ }
+public:
+ RGWDataNotifier(RGWRados *_store) : RGWRadosThread(_store, "data-notifier"), notify_mgr(_store) {}
+
+ int process() override;
+};
+
+int RGWDataNotifier::process()
+{
+ if (!store->data_log) {
+ return 0;
+ }
+
+ map<int, set<string> > shards;
+
+ store->data_log->read_clear_modified(shards);
+
+ if (shards.empty()) {
+ return 0;
+ }
+
+ for (map<int, set<string> >::iterator iter = shards.begin(); iter != shards.end(); ++iter) {
+ ldout(cct, 20) << __func__ << "(): notifying datalog change, shard_id=" << iter->first << ": " << iter->second << dendl;
+ }
+
+ notify_mgr.notify_all(store->zone_data_notify_to_map, shards);
+
+ return 0;
+}
+
+class RGWSyncProcessorThread : public RGWRadosThread {
+public:
+ RGWSyncProcessorThread(RGWRados *_store, const string& thread_name = "radosgw") : RGWRadosThread(_store, thread_name) {}
+ RGWSyncProcessorThread(RGWRados *_store) : RGWRadosThread(_store) {}
+ ~RGWSyncProcessorThread() override {}
+ int init() override = 0 ;
+ int process() override = 0;
+};
+
+class RGWMetaSyncProcessorThread : public RGWSyncProcessorThread
+{
+ RGWMetaSyncStatusManager sync;
+
+ uint64_t interval_msec() override {
+ return 0; /* no interval associated, it'll run once until stopped */
+ }
+ void stop_process() override {
+ sync.stop();
+ }
+public:
+ RGWMetaSyncProcessorThread(RGWRados *_store, RGWAsyncRadosProcessor *async_rados)
+ : RGWSyncProcessorThread(_store, "meta-sync"), sync(_store, async_rados) {}
+
+ void wakeup_sync_shards(set<int>& shard_ids) {
+ for (set<int>::iterator iter = shard_ids.begin(); iter != shard_ids.end(); ++iter) {
+ sync.wakeup(*iter);
+ }
+ }
+ RGWMetaSyncStatusManager* get_manager() { return &sync; }
+
+ int init() override {
+ int ret = sync.init();
+ if (ret < 0) {
+ ldout(store->ctx(), 0) << "ERROR: sync.init() returned " << ret << dendl;
+ return ret;
+ }
+ return 0;
+ }
+
+ int process() override {
+ sync.run();
+ return 0;
+ }
+};
+
+class RGWDataSyncProcessorThread : public RGWSyncProcessorThread
+{
+ RGWDataSyncStatusManager sync;
+ bool initialized;
+
+ uint64_t interval_msec() override {
+ if (initialized) {
+ return 0; /* no interval associated, it'll run once until stopped */
+ } else {
+#define DATA_SYNC_INIT_WAIT_SEC 20
+ return DATA_SYNC_INIT_WAIT_SEC * 1000;
+ }
+ }
+ void stop_process() override {
+ sync.stop();
+ }
+public:
+ RGWDataSyncProcessorThread(RGWRados *_store, RGWAsyncRadosProcessor *async_rados,
+ const string& _source_zone)
+ : RGWSyncProcessorThread(_store, "data-sync"), sync(_store, async_rados, _source_zone),
+ initialized(false) {}
+
+ void wakeup_sync_shards(map<int, set<string> >& shard_ids) {
+ for (map<int, set<string> >::iterator iter = shard_ids.begin(); iter != shard_ids.end(); ++iter) {
+ sync.wakeup(iter->first, iter->second);
+ }
+ }
+ RGWDataSyncStatusManager* get_manager() { return &sync; }
+
+ int init() override {
+ return 0;
+ }
+
+ int process() override {
+ while (!initialized) {
+ if (going_down()) {
+ return 0;
+ }
+ int ret = sync.init();
+ if (ret >= 0) {
+ initialized = true;
+ break;
+ }
+ /* we'll be back! */
+ return 0;
+ }
+ sync.run();
+ return 0;
+ }
+};
+
+class RGWSyncLogTrimThread : public RGWSyncProcessorThread
+{
+ RGWCoroutinesManager crs;
+ RGWRados *store;
+ RGWHTTPManager http;
+ const utime_t trim_interval;
+
+ uint64_t interval_msec() override { return 0; }
+ void stop_process() override { crs.stop(); }
+public:
+ RGWSyncLogTrimThread(RGWRados *store, int interval)
+ : RGWSyncProcessorThread(store, "sync-log-trim"),
+ crs(store->ctx(), store->get_cr_registry()), store(store),
+ http(store->ctx(), crs.get_completion_mgr()),
+ trim_interval(interval, 0)
+ {}
+
+ int init() override {
+ return http.set_threaded();
+ }
+ int process() override {
+ list<RGWCoroutinesStack*> stacks;
+ auto meta = new RGWCoroutinesStack(store->ctx(), &crs);
+ meta->call(create_meta_log_trim_cr(store, &http,
+ cct->_conf->rgw_md_log_max_shards,
+ trim_interval));
+ stacks.push_back(meta);
+
+ auto data = new RGWCoroutinesStack(store->ctx(), &crs);
+ data->call(create_data_log_trim_cr(store, &http,
+ cct->_conf->rgw_data_log_num_shards,
+ trim_interval));
+ stacks.push_back(data);
+
+ crs.run(stacks);
+ return 0;
+ }
+};
+
+void RGWRados::wakeup_meta_sync_shards(set<int>& shard_ids)
+{
+ Mutex::Locker l(meta_sync_thread_lock);
+ if (meta_sync_processor_thread) {
+ meta_sync_processor_thread->wakeup_sync_shards(shard_ids);
+ }
+}
+
+void RGWRados::wakeup_data_sync_shards(const string& source_zone, map<int, set<string> >& shard_ids)
+{
+ ldout(ctx(), 20) << __func__ << ": source_zone=" << source_zone << ", shard_ids=" << shard_ids << dendl;
+ Mutex::Locker l(data_sync_thread_lock);
+ map<string, RGWDataSyncProcessorThread *>::iterator iter = data_sync_processor_threads.find(source_zone);
+ if (iter == data_sync_processor_threads.end()) {
+ ldout(ctx(), 10) << __func__ << ": couldn't find sync thread for zone " << source_zone << ", skipping async data sync processing" << dendl;
+ return;
+ }
+
+ RGWDataSyncProcessorThread *thread = iter->second;
+ assert(thread);
+ thread->wakeup_sync_shards(shard_ids);
+}
+
+RGWMetaSyncStatusManager* RGWRados::get_meta_sync_manager()
+{
+ Mutex::Locker l(meta_sync_thread_lock);
+ if (meta_sync_processor_thread) {
+ return meta_sync_processor_thread->get_manager();
+ }
+ return nullptr;
+}
+
+RGWDataSyncStatusManager* RGWRados::get_data_sync_manager(const std::string& source_zone)
+{
+ Mutex::Locker l(data_sync_thread_lock);
+ auto thread = data_sync_processor_threads.find(source_zone);
+ if (thread == data_sync_processor_threads.end()) {
+ return nullptr;
+ }
+ return thread->second->get_manager();
+}
+
+int RGWRados::get_required_alignment(const rgw_pool& pool, uint64_t *alignment)
+{
+ IoCtx ioctx;
+ int r = open_pool_ctx(pool, ioctx);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: open_pool_ctx() returned " << r << dendl;
+ return r;
+ }
+
+ bool requires;
+ r = ioctx.pool_requires_alignment2(&requires);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: ioctx.pool_requires_alignment2() returned "
+ << r << dendl;
+ return r;
+ }
+
+ if (!requires) {
+ *alignment = 0;
+ return 0;
+ }
+
+ uint64_t align;
+ r = ioctx.pool_required_alignment2(&align);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: ioctx.pool_required_alignment2() returned "
+ << r << dendl;
+ return r;
+ }
+ if (align != 0) {
+ ldout(cct, 20) << "required alignment=" << align << dendl;
+ }
+ *alignment = align;
+ return 0;
+}
+
+int RGWRados::get_max_chunk_size(const rgw_pool& pool, uint64_t *max_chunk_size)
+{
+ uint64_t alignment = 0;
+ int r = get_required_alignment(pool, &alignment);
+ if (r < 0) {
+ return r;
+ }
+
+ uint64_t config_chunk_size = cct->_conf->rgw_max_chunk_size;
+
+ if (alignment == 0) {
+ *max_chunk_size = config_chunk_size;
+ return 0;
+ }
+
+ if (config_chunk_size <= alignment) {
+ *max_chunk_size = alignment;
+ return 0;
+ }
+
+ *max_chunk_size = config_chunk_size - (config_chunk_size % alignment);
+
+ ldout(cct, 20) << "max_chunk_size=" << *max_chunk_size << dendl;
+
+ return 0;
+}
+
+int RGWRados::get_max_chunk_size(const string& placement_rule, const rgw_obj& obj, uint64_t *max_chunk_size)
+{
+ rgw_pool pool;
+ if (!get_obj_data_pool(placement_rule, obj, &pool)) {
+ ldout(cct, 0) << "ERROR: failed to get data pool for object " << obj << dendl;
+ return -EIO;
+ }
+ return get_max_chunk_size(pool, max_chunk_size);
+}
+
+class RGWIndexCompletionManager;
+
+struct complete_op_data {
+ Mutex lock{"complete_op_data"};
+ AioCompletion *rados_completion{nullptr};
+ int manager_shard_id{-1};
+ RGWIndexCompletionManager *manager{nullptr};
+ rgw_obj obj;
+ RGWModifyOp op;
+ string tag;
+ rgw_bucket_entry_ver ver;
+ cls_rgw_obj_key key;
+ rgw_bucket_dir_entry_meta dir_meta;
+ list<cls_rgw_obj_key> remove_objs;
+ bool log_op;
+ uint16_t bilog_op;
+ rgw_zone_set zones_trace;
+
+ bool stopped{false};
+
+ void stop() {
+ Mutex::Locker l(lock);
+ stopped = true;
+ }
+};
+
+class RGWIndexCompletionThread : public RGWRadosThread {
+ RGWRados *store;
+
+ uint64_t interval_msec() override {
+ return 0;
+ }
+
+ list<complete_op_data *> completions;
+
+ Mutex completions_lock;
+public:
+ RGWIndexCompletionThread(RGWRados *_store)
+ : RGWRadosThread(_store, "index-complete"), store(_store), completions_lock("RGWIndexCompletionThread::completions_lock") {}
+
+ int process() override;
+
+ void add_completion(complete_op_data *completion) {
+ {
+ Mutex::Locker l(completions_lock);
+ completions.push_back(completion);
+ }
+
+ signal();
+ }
+};
+
+int RGWIndexCompletionThread::process()
+{
+ list<complete_op_data *> comps;
+
+ {
+ Mutex::Locker l(completions_lock);
+ completions.swap(comps);
+ }
+
+ for (auto c : comps) {
+ std::unique_ptr<complete_op_data> up{c};
+
+ if (going_down()) {
+ continue;
+ }
+ ldout(store->ctx(), 20) << __func__ << "(): handling completion for key=" << c->key << dendl;
+
+ RGWRados::BucketShard bs(store);
+
+ int r = bs.init(c->obj.bucket, c->obj);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: " << __func__ << "(): failed to initialize BucketShard, obj=" << c->obj << " r=" << r << dendl;
+ /* not much to do */
+ continue;
+ }
+
+ r = store->guard_reshard(&bs, c->obj, [&](RGWRados::BucketShard *bs) -> int {
+ librados::ObjectWriteOperation o;
+ cls_rgw_guard_bucket_resharding(o, -ERR_BUSY_RESHARDING);
+ cls_rgw_bucket_complete_op(o, c->op, c->tag, c->ver, c->key, c->dir_meta, &c->remove_objs,
+ c->log_op, c->bilog_op, &c->zones_trace);
+
+ return bs->index_ctx.operate(bs->bucket_obj, &o);
+ });
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: " << __func__ << "(): bucket index completion failed, obj=" << c->obj << " r=" << r << dendl;
+ /* ignoring error, can't do anything about it */
+ continue;
+ }
+ r = store->data_log->add_entry(bs.bucket, bs.shard_id);
+ if (r < 0) {
+ lderr(store->ctx()) << "ERROR: failed writing data log" << dendl;
+ }
+ }
+
+ return 0;
+}
+
+class RGWIndexCompletionManager {
+ RGWRados *store{nullptr};
+ vector<Mutex *> locks;
+ vector<set<complete_op_data *> > completions;
+
+ RGWIndexCompletionThread *completion_thread{nullptr};
+
+ int num_shards;
+
+ std::atomic<int> cur_shard {0};
+
+
+public:
+ RGWIndexCompletionManager(RGWRados *_store) : store(_store) {
+ num_shards = store->ctx()->_conf->rgw_thread_pool_size;
+
+ for (int i = 0; i < num_shards; i++) {
+ char buf[64];
+ snprintf(buf, sizeof(buf), "RGWIndexCompletionManager::lock::%d", i);
+ locks.push_back(new Mutex(buf));
+ }
+
+ completions.resize(num_shards);
+ }
+ ~RGWIndexCompletionManager() {
+ stop();
+
+ for (auto l : locks) {
+ delete l;
+ }
+ }
+
+ int next_shard() {
+ int result = cur_shard % num_shards;
+ cur_shard++;
+ return result;
+ }
+
+ void create_completion(const rgw_obj& obj,
+ RGWModifyOp op, string& tag,
+ rgw_bucket_entry_ver& ver,
+ const cls_rgw_obj_key& key,
+ rgw_bucket_dir_entry_meta& dir_meta,
+ list<cls_rgw_obj_key> *remove_objs, bool log_op,
+ uint16_t bilog_op,
+ rgw_zone_set *zones_trace,
+ complete_op_data **result);
+ bool handle_completion(completion_t cb, complete_op_data *arg);
+
+ int start() {
+ completion_thread = new RGWIndexCompletionThread(store);
+ int ret = completion_thread->init();
+ if (ret < 0) {
+ return ret;
+ }
+ completion_thread->start();
+ return 0;
+ }
+ void stop() {
+ if (completion_thread) {
+ completion_thread->stop();
+ delete completion_thread;
+ }
+
+ for (int i = 0; i < num_shards; ++i) {
+ Mutex::Locker l(*locks[i]);
+ for (auto c : completions[i]) {
+ Mutex::Locker cl(c->lock);
+ c->stop();
+ }
+ }
+ completions.clear();
+ }
+};
+
+static void obj_complete_cb(completion_t cb, void *arg)
+{
+ complete_op_data *completion = (complete_op_data *)arg;
+ completion->lock.Lock();
+ if (completion->stopped) {
+ completion->lock.Unlock(); /* can drop lock, no one else is referencing us */
+ delete completion;
+ return;
+ }
+ bool need_delete = completion->manager->handle_completion(cb, completion);
+ completion->lock.Unlock();
+ if (need_delete) {
+ delete completion;
+ }
+}
+
+
+void RGWIndexCompletionManager::create_completion(const rgw_obj& obj,
+ RGWModifyOp op, string& tag,
+ rgw_bucket_entry_ver& ver,
+ const cls_rgw_obj_key& key,
+ rgw_bucket_dir_entry_meta& dir_meta,
+ list<cls_rgw_obj_key> *remove_objs, bool log_op,
+ uint16_t bilog_op,
+ rgw_zone_set *zones_trace,
+ complete_op_data **result)
+{
+ complete_op_data *entry = new complete_op_data;
+
+ int shard_id = next_shard();
+
+ entry->manager_shard_id = shard_id;
+ entry->manager = this;
+ entry->obj = obj;
+ entry->op = op;
+ entry->tag = tag;
+ entry->ver = ver;
+ entry->key = key;
+ entry->dir_meta = dir_meta;
+ entry->log_op = log_op;
+ entry->bilog_op = bilog_op;
+
+ if (remove_objs) {
+ for (auto iter = remove_objs->begin(); iter != remove_objs->end(); ++iter) {
+ entry->remove_objs.push_back(*iter);
+ }
+ }
+
+ if (zones_trace) {
+ entry->zones_trace = *zones_trace;
+ } else {
+ entry->zones_trace.insert(store->get_zone().id);
+ }
+
+ *result = entry;
+
+ entry->rados_completion = librados::Rados::aio_create_completion(entry, NULL, obj_complete_cb);
+
+ Mutex::Locker l(*locks[shard_id]);
+ completions[shard_id].insert(entry);
+}
+
+bool RGWIndexCompletionManager::handle_completion(completion_t cb, complete_op_data *arg)
+{
+ int shard_id = arg->manager_shard_id;
+ {
+ Mutex::Locker l(*locks[shard_id]);
+
+ auto& comps = completions[shard_id];
+
+ auto iter = comps.find(arg);
+ if (iter == comps.end()) {
+ return true;
+ }
+
+ comps.erase(iter);
+ }
+
+ int r = rados_aio_get_return_value(cb);
+ if (r != -ERR_BUSY_RESHARDING) {
+ return true;
+ }
+ completion_thread->add_completion(arg);
+ return false;
+}
+
+void RGWRados::finalize()
+{
+ if (run_sync_thread) {
+ Mutex::Locker l(meta_sync_thread_lock);
+ meta_sync_processor_thread->stop();
+
+ Mutex::Locker dl(data_sync_thread_lock);
+ for (auto iter : data_sync_processor_threads) {
+ RGWDataSyncProcessorThread *thread = iter.second;
+ thread->stop();
+ }
+ if (sync_log_trimmer) {
+ sync_log_trimmer->stop();
+ }
+ }
+ if (async_rados) {
+ async_rados->stop();
+ }
+ if (run_sync_thread) {
+ delete meta_sync_processor_thread;
+ meta_sync_processor_thread = NULL;
+ Mutex::Locker dl(data_sync_thread_lock);
+ for (auto iter : data_sync_processor_threads) {
+ RGWDataSyncProcessorThread *thread = iter.second;
+ delete thread;
+ }
+ data_sync_processor_threads.clear();
+ delete sync_log_trimmer;
+ sync_log_trimmer = nullptr;
+ }
+ if (finisher) {
+ finisher->stop();
+ }
+ if (need_watch_notify()) {
+ finalize_watch();
+ }
+ if (finisher) {
+ /* delete finisher only after cleaning up watches, as watch error path might call
+ * into finisher. We stop finisher before finalizing watch to make sure we don't
+ * actually handle any racing work
+ */
+ delete finisher;
+ }
+ if (meta_notifier) {
+ meta_notifier->stop();
+ delete meta_notifier;
+ }
+ if (data_notifier) {
+ data_notifier->stop();
+ delete data_notifier;
+ }
+ delete data_log;
+ if (async_rados) {
+ delete async_rados;
+ }
+
+ delete lc;
+ lc = NULL;
+
+ delete gc;
+ gc = NULL;
+
+ delete obj_expirer;
+ obj_expirer = NULL;
+
+ delete rest_master_conn;
+
+ map<string, RGWRESTConn *>::iterator iter;
+ for (iter = zone_conn_map.begin(); iter != zone_conn_map.end(); ++iter) {
+ RGWRESTConn *conn = iter->second;
+ delete conn;
+ }
+
+ for (iter = zonegroup_conn_map.begin(); iter != zonegroup_conn_map.end(); ++iter) {
+ RGWRESTConn *conn = iter->second;
+ delete conn;
+ }
+ RGWQuotaHandler::free_handler(quota_handler);
+ if (cr_registry) {
+ cr_registry->put();
+ }
+ delete meta_mgr;
+ delete binfo_cache;
+ delete obj_tombstone_cache;
+ delete sync_modules_manager;
+
+ if (reshard_wait.get()) {
+ reshard_wait->stop();
+ reshard_wait.reset();
+ }
+
+ if (run_reshard_thread) {
+ reshard->stop_processor();
+ }
+ delete reshard;
+ delete index_completion_manager;
+}
+
+/**
+ * Initialize the RADOS instance and prepare to do other ops
+ * Returns 0 on success, -ERR# on failure.
+ */
+int RGWRados::init_rados()
+{
+ int ret = 0;
+ auto handles = std::vector<librados::Rados>{cct->_conf->rgw_num_rados_handles};
+
+ for (auto& r : handles) {
+ ret = r.init_with_context(cct);
+ if (ret < 0) {
+ return ret;
+ }
+ ret = r.connect();
+ if (ret < 0) {
+ return ret;
+ }
+ }
+
+ sync_modules_manager = new RGWSyncModulesManager();
+
+ rgw_register_sync_modules(sync_modules_manager);
+
+ auto crs = std::unique_ptr<RGWCoroutinesManagerRegistry>{
+ new RGWCoroutinesManagerRegistry(cct)};
+ ret = crs->hook_to_admin_command("cr dump");
+ if (ret < 0) {
+ return ret;
+ }
+
+ meta_mgr = new RGWMetadataManager(cct, this);
+ data_log = new RGWDataChangesLog(cct, this);
+ cr_registry = crs.release();
+
+ std::swap(handles, rados);
+ return ret;
+}
+
+
+int RGWRados::register_to_service_map(const string& daemon_type, const map<string, string>& meta)
+{
+ map<string,string> metadata = meta;
+ metadata["num_handles"] = stringify(rados.size());
+ metadata["zonegroup_id"] = zonegroup.get_id();
+ metadata["zonegroup_name"] = zonegroup.get_name();
+ metadata["zone_name"] = zone_name();
+ metadata["zone_id"] = zone_id();;
+ string name = cct->_conf->name.get_id();
+ if (name.find("rgw.") == 0) {
+ name = name.substr(4);
+ }
+ int ret = rados[0].service_daemon_register(daemon_type, name, metadata);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: service_daemon_register() returned ret=" << ret << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ return 0;
+}
+
+/**
+ * Add new connection to connections map
+ * @param zonegroup_conn_map map which new connection will be added to
+ * @param zonegroup zonegroup which new connection will connect to
+ * @param new_connection pointer to new connection instance
+ */
+static void add_new_connection_to_map(map<string, RGWRESTConn *> &zonegroup_conn_map,
+ const RGWZoneGroup &zonegroup, RGWRESTConn *new_connection)
+{
+ // Delete if connection is already exists
+ map<string, RGWRESTConn *>::iterator iterZoneGroup = zonegroup_conn_map.find(zonegroup.get_id());
+ if (iterZoneGroup != zonegroup_conn_map.end()) {
+ delete iterZoneGroup->second;
+ }
+
+ // Add new connection to connections map
+ zonegroup_conn_map[zonegroup.get_id()] = new_connection;
+}
+
+int RGWRados::convert_regionmap()
+{
+ RGWZoneGroupMap zonegroupmap;
+
+ string pool_name = cct->_conf->rgw_zone_root_pool;
+ if (pool_name.empty()) {
+ pool_name = RGW_DEFAULT_ZONE_ROOT_POOL;
+ }
+ string oid = region_map_oid;
+
+ rgw_pool pool(pool_name);
+ bufferlist bl;
+ RGWObjectCtx obj_ctx(this);
+ int ret = rgw_get_system_obj(this, obj_ctx, pool, oid, bl, NULL, NULL);
+ if (ret < 0 && ret != -ENOENT) {
+ return ret;
+ } else if (ret == -ENOENT) {
+ return 0;
+ }
+
+ try {
+ bufferlist::iterator iter = bl.begin();
+ ::decode(zonegroupmap, iter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "error decoding regionmap from " << pool << ":" << oid << dendl;
+ return -EIO;
+ }
+
+ for (map<string, RGWZoneGroup>::iterator iter = zonegroupmap.zonegroups.begin();
+ iter != zonegroupmap.zonegroups.end(); ++iter) {
+ RGWZoneGroup& zonegroup = iter->second;
+ ret = zonegroup.init(cct, this, false);
+ ret = zonegroup.update();
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << "Error could not update zonegroup " << zonegroup.get_name() << ": " <<
+ cpp_strerror(-ret) << dendl;
+ return ret;
+ } else if (ret == -ENOENT) {
+ ret = zonegroup.create();
+ if (ret < 0) {
+ ldout(cct, 0) << "Error could not create " << zonegroup.get_name() << ": " <<
+ cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ }
+ }
+
+ current_period.set_user_quota(zonegroupmap.user_quota);
+ current_period.set_bucket_quota(zonegroupmap.bucket_quota);
+
+ // remove the region_map so we don't try to convert again
+ rgw_raw_obj obj(pool, oid);
+ ret = delete_system_obj(obj);
+ if (ret < 0) {
+ ldout(cct, 0) << "Error could not remove " << obj
+ << " after upgrading to zonegroup map: " << cpp_strerror(ret) << dendl;
+ return ret;
+ }
+
+ return 0;
+}
+
+/**
+ * Replace all region configuration with zonegroup for
+ * backward compatability
+ * Returns 0 on success, -ERR# on failure.
+ */
+int RGWRados::replace_region_with_zonegroup()
+{
+ /* copy default region */
+ /* convert default region to default zonegroup */
+ string default_oid = cct->_conf->rgw_default_region_info_oid;
+ if (default_oid.empty()) {
+ default_oid = default_region_info_oid;
+ }
+
+
+ RGWZoneGroup default_zonegroup;
+ rgw_pool pool{default_zonegroup.get_pool(cct)};
+ string oid = "converted";
+ bufferlist bl;
+ RGWObjectCtx obj_ctx(this);
+
+ int ret = rgw_get_system_obj(this, obj_ctx, pool ,oid, bl, NULL, NULL);
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << __func__ << " failed to read converted: ret "<< ret << " " << cpp_strerror(-ret)
+ << dendl;
+ return ret;
+ } else if (ret != -ENOENT) {
+ ldout(cct, 20) << "System already converted " << dendl;
+ return 0;
+ }
+
+ string default_region;
+ ret = default_zonegroup.init(cct, this, false, true);
+ if (ret < 0) {
+ ldout(cct, 0) << __func__ << " failed init default region: ret "<< ret << " " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ ret = default_zonegroup.read_default_id(default_region, true);
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << __func__ << " failed reading old default region: ret "<< ret << " " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ /* convert regions to zonegroups */
+ list<string> regions;
+ ret = list_regions(regions);
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << __func__ << " failed to list regions: ret "<< ret << " " << cpp_strerror(-ret) << dendl;
+ return ret;
+ } else if (ret == -ENOENT || regions.empty()) {
+ RGWZoneParams zoneparams(default_zone_name);
+ int ret = zoneparams.init(cct, this);
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << __func__ << ": error initializing default zone params: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ /* update master zone */
+ RGWZoneGroup default_zg(default_zonegroup_name);
+ ret = default_zg.init(cct, this);
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << __func__ << ": error in initializing default zonegroup: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ if (ret != -ENOENT && default_zg.master_zone.empty()) {
+ default_zg.master_zone = zoneparams.get_id();
+ return default_zg.update();
+ }
+ return 0;
+ }
+
+ string master_region, master_zone;
+ for (list<string>::iterator iter = regions.begin(); iter != regions.end(); ++iter) {
+ if (*iter != default_zonegroup_name){
+ RGWZoneGroup region(*iter);
+ int ret = region.init(cct, this, true, true);
+ if (ret < 0) {
+ ldout(cct, 0) << __func__ << " failed init region "<< *iter << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ if (region.is_master_zonegroup()) {
+ master_region = region.get_id();
+ master_zone = region.master_zone;
+ }
+ }
+ }
+
+ /* create realm if there is none.
+ The realm name will be the region and zone concatenated
+ realm id will be mds of its name */
+ if (realm.get_id().empty() && !master_region.empty() && !master_zone.empty()) {
+ string new_realm_name = master_region + "." + master_zone;
+ unsigned char md5[CEPH_CRYPTO_MD5_DIGESTSIZE];
+ char md5_str[CEPH_CRYPTO_MD5_DIGESTSIZE * 2 + 1];
+ MD5 hash;
+ hash.Update((const byte *)new_realm_name.c_str(), new_realm_name.length());
+ hash.Final(md5);
+ buf_to_hex(md5, CEPH_CRYPTO_MD5_DIGESTSIZE, md5_str);
+ string new_realm_id(md5_str);
+ RGWRealm new_realm(new_realm_id,new_realm_name);
+ ret = new_realm.init(cct, this, false);
+ if (ret < 0) {
+ ldout(cct, 0) << __func__ << " Error initing new realm: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ ret = new_realm.create();
+ if (ret < 0 && ret != -EEXIST) {
+ ldout(cct, 0) << __func__ << " Error creating new realm: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ ret = new_realm.set_as_default();
+ if (ret < 0) {
+ ldout(cct, 0) << __func__ << " Error setting realm as default: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ ret = realm.init(cct, this);
+ if (ret < 0) {
+ ldout(cct, 0) << __func__ << " Error initing realm: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ ret = current_period.init(cct, this, realm.get_id(), realm.get_name());
+ if (ret < 0) {
+ ldout(cct, 0) << __func__ << " Error initing current period: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ }
+
+ list<string>::iterator iter;
+ /* create zonegroups */
+ for (iter = regions.begin(); iter != regions.end(); ++iter)
+ {
+ ldout(cct, 0) << __func__ << "Converting " << *iter << dendl;
+ /* check to see if we don't have already a zonegroup with this name */
+ RGWZoneGroup new_zonegroup(*iter);
+ ret = new_zonegroup.init(cct , this);
+ if (ret == 0 && new_zonegroup.get_id() != *iter) {
+ ldout(cct, 0) << __func__ << " zonegroup "<< *iter << " already exists id " << new_zonegroup.get_id () <<
+ " skipping conversion " << dendl;
+ continue;
+ }
+ RGWZoneGroup zonegroup(*iter);
+ zonegroup.set_id(*iter);
+ int ret = zonegroup.init(cct, this, true, true);
+ if (ret < 0) {
+ ldout(cct, 0) << __func__ << " failed init zonegroup: ret "<< ret << " " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ zonegroup.realm_id = realm.get_id();
+ /* fix default region master zone */
+ if (*iter == default_zonegroup_name && zonegroup.master_zone.empty()) {
+ ldout(cct, 0) << __func__ << " Setting default zone as master for default region" << dendl;
+ zonegroup.master_zone = default_zone_name;
+ }
+ ret = zonegroup.update();
+ if (ret < 0 && ret != -EEXIST) {
+ ldout(cct, 0) << __func__ << " failed to update zonegroup " << *iter << ": ret "<< ret << " " << cpp_strerror(-ret)
+ << dendl;
+ return ret;
+ }
+ ret = zonegroup.update_name();
+ if (ret < 0 && ret != -EEXIST) {
+ ldout(cct, 0) << __func__ << " failed to update_name for zonegroup " << *iter << ": ret "<< ret << " " << cpp_strerror(-ret)
+ << dendl;
+ return ret;
+ }
+ if (zonegroup.get_name() == default_region) {
+ ret = zonegroup.set_as_default();
+ if (ret < 0) {
+ ldout(cct, 0) << __func__ << " failed to set_as_default " << *iter << ": ret "<< ret << " " << cpp_strerror(-ret)
+ << dendl;
+ return ret;
+ }
+ }
+ for (map<string, RGWZone>::const_iterator iter = zonegroup.zones.begin(); iter != zonegroup.zones.end();
+ ++iter) {
+ ldout(cct, 0) << __func__ << " Converting zone" << iter->first << dendl;
+ RGWZoneParams zoneparams(iter->first, iter->first);
+ zoneparams.set_id(iter->first);
+ zoneparams.realm_id = realm.get_id();
+ ret = zoneparams.init(cct, this);
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << __func__ << " failed to init zoneparams " << iter->first << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ } else if (ret == -ENOENT) {
+ ldout(cct, 0) << __func__ << " zone is part of another cluster " << iter->first << " skipping " << dendl;
+ continue;
+ }
+ zonegroup.realm_id = realm.get_id();
+ ret = zoneparams.update();
+ if (ret < 0 && ret != -EEXIST) {
+ ldout(cct, 0) << __func__ << " failed to update zoneparams " << iter->first << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ ret = zoneparams.update_name();
+ if (ret < 0 && ret != -EEXIST) {
+ ldout(cct, 0) << __func__ << " failed to init zoneparams " << iter->first << ": " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ }
+
+ if (!current_period.get_id().empty()) {
+ ret = current_period.add_zonegroup(zonegroup);
+ if (ret < 0) {
+ ldout(cct, 0) << __func__ << " failed to add zonegroup to current_period: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ }
+ }
+
+ if (!current_period.get_id().empty()) {
+ ret = current_period.update();
+ if (ret < 0) {
+ ldout(cct, 0) << __func__ << " failed to update new period: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ ret = current_period.store_info(false);
+ if (ret < 0) {
+ ldout(cct, 0) << __func__ << " failed to store new period: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ ret = current_period.reflect();
+ if (ret < 0) {
+ ldout(cct, 0) << __func__ << " failed to update local objects: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ }
+
+ for (auto const& iter : regions) {
+ RGWZoneGroup zonegroup(iter);
+ int ret = zonegroup.init(cct, this, true, true);
+ if (ret < 0) {
+ ldout(cct, 0) << __func__ << " failed init zonegroup" << iter << ": ret "<< ret << " " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ ret = zonegroup.delete_obj(true);
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << __func__ << " failed to delete region " << iter << ": ret "<< ret << " " << cpp_strerror(-ret)
+ << dendl;
+ return ret;
+ }
+ }
+
+ /* mark as converted */
+ ret = rgw_put_system_obj(this, pool, oid, bl.c_str(), bl.length(),
+ true, NULL, real_time(), NULL);
+ if (ret < 0 ) {
+ ldout(cct, 0) << __func__ << " failed to mark cluster as converted: ret "<< ret << " " << cpp_strerror(-ret)
+ << dendl;
+ return ret;
+ }
+
+ return 0;
+}
+
+int RGWRados::init_zg_from_period(bool *initialized)
+{
+ *initialized = false;
+
+ if (current_period.get_id().empty()) {
+ return 0;
+ }
+
+ int ret = zonegroup.init(cct, this);
+ ldout(cct, 20) << "period zonegroup init ret " << ret << dendl;
+ if (ret == -ENOENT) {
+ return 0;
+ }
+ if (ret < 0) {
+ ldout(cct, 0) << "failed reading zonegroup info: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ ldout(cct, 20) << "period zonegroup name " << zonegroup.get_name() << dendl;
+
+ map<string, RGWZoneGroup>::const_iterator iter =
+ current_period.get_map().zonegroups.find(zonegroup.get_id());
+
+ if (iter != current_period.get_map().zonegroups.end()) {
+ ldout(cct, 20) << "using current period zonegroup " << zonegroup.get_name() << dendl;
+ zonegroup = iter->second;
+ ret = zonegroup.init(cct, this, false);
+ if (ret < 0) {
+ ldout(cct, 0) << "failed init zonegroup: " << " " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ ret = zone_params.init(cct, this);
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << "failed reading zone params info: " << " " << cpp_strerror(-ret) << dendl;
+ return ret;
+ } if (ret ==-ENOENT && zonegroup.get_name() == default_zonegroup_name) {
+ ldout(cct, 10) << " Using default name "<< default_zone_name << dendl;
+ zone_params.set_name(default_zone_name);
+ ret = zone_params.init(cct, this);
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << "failed reading zone params info: " << " " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ }
+ }
+ for (iter = current_period.get_map().zonegroups.begin();
+ iter != current_period.get_map().zonegroups.end(); ++iter){
+ const RGWZoneGroup& zg = iter->second;
+ // use endpoints from the zonegroup's master zone
+ auto master = zg.zones.find(zg.master_zone);
+ if (master == zg.zones.end()) {
+ // fix missing master zone for a single zone zonegroup
+ if (zg.master_zone.empty() && zg.zones.size() == 1) {
+ master = zg.zones.begin();
+ ldout(cct, 0) << "zonegroup " << zg.get_name() << " missing master_zone, setting zone " <<
+ master->second.name << " id:" << master->second.id << " as master" << dendl;
+ if (zonegroup.get_id() == zg.get_id()) {
+ zonegroup.master_zone = master->second.id;
+ ret = zonegroup.update();
+ if (ret < 0) {
+ ldout(cct, 0) << "error updating zonegroup : " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ } else {
+ RGWZoneGroup fixed_zg(zg.get_id(),zg.get_name());
+ ret = fixed_zg.init(cct, this);
+ if (ret < 0) {
+ ldout(cct, 0) << "error initializing zonegroup : " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ fixed_zg.master_zone = master->second.id;
+ ret = fixed_zg.update();
+ if (ret < 0) {
+ ldout(cct, 0) << "error initializing zonegroup : " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ }
+ } else {
+ ldout(cct, 0) << "zonegroup " << zg.get_name() << " missing zone for master_zone=" <<
+ zg.master_zone << dendl;
+ return -EINVAL;
+ }
+ }
+ const auto& endpoints = master->second.endpoints;
+ add_new_connection_to_map(zonegroup_conn_map, zg, new RGWRESTConn(cct, this, zg.get_id(), endpoints));
+ if (!current_period.get_master_zonegroup().empty() &&
+ zg.get_id() == current_period.get_master_zonegroup()) {
+ rest_master_conn = new RGWRESTConn(cct, this, zg.get_id(), endpoints);
+ }
+ }
+
+ *initialized = true;
+
+ return 0;
+}
+
+int RGWRados::init_zg_from_local(bool *creating_defaults)
+{
+ int ret = zonegroup.init(cct, this);
+ if ( (ret < 0 && ret != -ENOENT) || (ret == -ENOENT && !cct->_conf->rgw_zonegroup.empty())) {
+ ldout(cct, 0) << "failed reading zonegroup info: ret "<< ret << " " << cpp_strerror(-ret) << dendl;
+ return ret;
+ } else if (ret == -ENOENT) {
+ *creating_defaults = true;
+ ldout(cct, 10) << "Creating default zonegroup " << dendl;
+ ret = zonegroup.create_default();
+ if (ret < 0) {
+ ldout(cct, 0) << "failure in zonegroup create_default: ret "<< ret << " " << cpp_strerror(-ret)
+ << dendl;
+ return ret;
+ }
+ ret = zonegroup.init(cct, this);
+ if (ret < 0) {
+ ldout(cct, 0) << "failure in zonegroup create_default: ret "<< ret << " " << cpp_strerror(-ret)
+ << dendl;
+ return ret;
+ }
+ }
+ ldout(cct, 20) << "zonegroup " << zonegroup.get_name() << dendl;
+ if (zonegroup.is_master_zonegroup()) {
+ // use endpoints from the zonegroup's master zone
+ auto master = zonegroup.zones.find(zonegroup.master_zone);
+ if (master == zonegroup.zones.end()) {
+ // fix missing master zone for a single zone zonegroup
+ if (zonegroup.master_zone.empty() && zonegroup.zones.size() == 1) {
+ master = zonegroup.zones.begin();
+ ldout(cct, 0) << "zonegroup " << zonegroup.get_name() << " missing master_zone, setting zone " <<
+ master->second.name << " id:" << master->second.id << " as master" << dendl;
+ zonegroup.master_zone = master->second.id;
+ ret = zonegroup.update();
+ if (ret < 0) {
+ ldout(cct, 0) << "error initializing zonegroup : " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ } else {
+ ldout(cct, 0) << "zonegroup " << zonegroup.get_name() << " missing zone for "
+ "master_zone=" << zonegroup.master_zone << dendl;
+ return -EINVAL;
+ }
+ }
+ const auto& endpoints = master->second.endpoints;
+ rest_master_conn = new RGWRESTConn(cct, this, zonegroup.get_id(), endpoints);
+ }
+
+ return 0;
+}
+
+
+bool RGWRados::zone_syncs_from(RGWZone& target_zone, RGWZone& source_zone)
+{
+ return target_zone.syncs_from(source_zone.name) &&
+ sync_modules_manager->supports_data_export(source_zone.tier_type);
+}
+
+/**
+ * Initialize the RADOS instance and prepare to do other ops
+ * Returns 0 on success, -ERR# on failure.
+ */
+int RGWRados::init_complete()
+{
+ int ret = realm.init(cct, this);
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << "failed reading realm info: ret "<< ret << " " << cpp_strerror(-ret) << dendl;
+ return ret;
+ } else if (ret != -ENOENT) {
+ ldout(cct, 20) << "realm " << realm.get_name() << " " << realm.get_id() << dendl;
+ ret = current_period.init(cct, this, realm.get_id(), realm.get_name());
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << "failed reading current period info: " << " " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ ldout(cct, 20) << "current period " << current_period.get_id() << dendl;
+ }
+
+ ret = replace_region_with_zonegroup();
+ if (ret < 0) {
+ lderr(cct) << "failed converting region to zonegroup : ret "<< ret << " " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ ret = convert_regionmap();
+ if (ret < 0) {
+ lderr(cct) << "failed converting regionmap: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ bool zg_initialized = false;
+
+ if (!current_period.get_id().empty()) {
+ ret = init_zg_from_period(&zg_initialized);
+ if (ret < 0) {
+ return ret;
+ }
+ }
+
+ bool creating_defaults = false;
+ bool using_local = (!zg_initialized);
+ if (using_local) {
+ ldout(cct, 10) << " cannot find current period zonegroup using local zonegroup" << dendl;
+ ret = init_zg_from_local(&creating_defaults);
+ if (ret < 0) {
+ return ret;
+ }
+ // read period_config into current_period
+ auto& period_config = current_period.get_config();
+ ret = period_config.read(this, zonegroup.realm_id);
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << "ERROR: failed to read period config: "
+ << cpp_strerror(ret) << dendl;
+ return ret;
+ }
+ }
+
+ ldout(cct, 10) << "Cannot find current period zone using local zone" << dendl;
+ if (creating_defaults && cct->_conf->rgw_zone.empty()) {
+ ldout(cct, 10) << " Using default name "<< default_zone_name << dendl;
+ zone_params.set_name(default_zone_name);
+ }
+
+ ret = zone_params.init(cct, this);
+ if (ret < 0 && ret != -ENOENT) {
+ lderr(cct) << "failed reading zone info: ret "<< ret << " " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ map<string, RGWZone>::iterator zone_iter = get_zonegroup().zones.find(zone_params.get_id());
+ if (zone_iter == get_zonegroup().zones.end()) {
+ if (using_local) {
+ lderr(cct) << "Cannot find zone id=" << zone_params.get_id() << " (name=" << zone_params.get_name() << ")" << dendl;
+ return -EINVAL;
+ }
+ ldout(cct, 1) << "Cannot find zone id=" << zone_params.get_id() << " (name=" << zone_params.get_name() << "), switching to local zonegroup configuration" << dendl;
+ ret = init_zg_from_local(&creating_defaults);
+ if (ret < 0) {
+ return ret;
+ }
+ zone_iter = get_zonegroup().zones.find(zone_params.get_id());
+ }
+ if (zone_iter != get_zonegroup().zones.end()) {
+ zone_public_config = zone_iter->second;
+ ldout(cct, 20) << "zone " << zone_params.get_name() << dendl;
+ } else {
+ lderr(cct) << "Cannot find zone id=" << zone_params.get_id() << " (name=" << zone_params.get_name() << ")" << dendl;
+ return -EINVAL;
+ }
+
+ zone_short_id = current_period.get_map().get_zone_short_id(zone_params.get_id());
+
+ if (run_sync_thread) {
+ ret = sync_modules_manager->create_instance(cct, zone_public_config.tier_type, zone_params.tier_config, &sync_module);
+ if (ret < 0) {
+ lderr(cct) << "ERROR: failed to init sync module instance, ret=" << ret << dendl;
+ return ret;
+ }
+ }
+
+ writeable_zone = (zone_public_config.tier_type.empty() || zone_public_config.tier_type == "rgw");
+
+ init_unique_trans_id_deps();
+
+ finisher = new Finisher(cct);
+ finisher->start();
+
+ period_puller.reset(new RGWPeriodPuller(this));
+ period_history.reset(new RGWPeriodHistory(cct, period_puller.get(),
+ current_period));
+
+ if (need_watch_notify()) {
+ ret = init_watch();
+ if (ret < 0) {
+ lderr(cct) << "ERROR: failed to initialize watch: " << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+ }
+
+ /* first build all zones index */
+ for (auto ziter : get_zonegroup().zones) {
+ const string& id = ziter.first;
+ RGWZone& z = ziter.second;
+ zone_id_by_name[z.name] = id;
+ zone_by_id[id] = z;
+ }
+
+ if (zone_by_id.find(zone_id()) == zone_by_id.end()) {
+ ldout(cct, 0) << "WARNING: could not find zone config in zonegroup for local zone (" << zone_id() << "), will use defaults" << dendl;
+ }
+ zone_public_config = zone_by_id[zone_id()];
+ for (auto ziter : get_zonegroup().zones) {
+ const string& id = ziter.first;
+ RGWZone& z = ziter.second;
+ if (id == zone_id()) {
+ continue;
+ }
+ if (z.endpoints.empty()) {
+ ldout(cct, 0) << "WARNING: can't generate connection for zone " << z.id << " id " << z.name << ": no endpoints defined" << dendl;
+ continue;
+ }
+ ldout(cct, 20) << "generating connection object for zone " << z.name << " id " << z.id << dendl;
+ RGWRESTConn *conn = new RGWRESTConn(cct, this, z.id, z.endpoints);
+ zone_conn_map[id] = conn;
+ if (zone_syncs_from(zone_public_config, z) ||
+ zone_syncs_from(z, zone_public_config)) {
+ if (zone_syncs_from(zone_public_config, z)) {
+ zone_data_sync_from_map[id] = conn;
+ }
+ if (zone_syncs_from(z, zone_public_config)) {
+ zone_data_notify_to_map[id] = conn;
+ }
+ } else {
+ ldout(cct, 20) << "NOTICE: not syncing to/from zone " << z.name << " id " << z.id << dendl;
+ }
+ }
+
+ ret = open_root_pool_ctx();
+ if (ret < 0)
+ return ret;
+
+ ret = open_gc_pool_ctx();
+ if (ret < 0)
+ return ret;
+
+ ret = open_lc_pool_ctx();
+ if (ret < 0)
+ return ret;
+
+ ret = open_objexp_pool_ctx();
+ if (ret < 0)
+ return ret;
+
+ ret = open_reshard_pool_ctx();
+ if (ret < 0)
+ return ret;
+
+ pools_initialized = true;
+
+ gc = new RGWGC();
+ gc->initialize(cct, this);
+
+ obj_expirer = new RGWObjectExpirer(this);
+
+ if (use_gc_thread) {
+ gc->start_processor();
+ obj_expirer->start_processor();
+ }
+
+ if (run_sync_thread) {
+ // initialize the log period history. we want to do this any time we're not
+ // running under radosgw-admin, so we check run_sync_thread here before
+ // disabling it based on the zone/zonegroup setup
+ meta_mgr->init_oldest_log_period();
+ }
+
+ /* no point of running sync thread if we don't have a master zone configured
+ or there is no rest_master_conn */
+ if (get_zonegroup().master_zone.empty() || !rest_master_conn
+ || current_period.get_id().empty()) {
+ run_sync_thread = false;
+ }
+
+ async_rados = new RGWAsyncRadosProcessor(this, cct->_conf->rgw_num_async_rados_threads);
+ async_rados->start();
+
+ ret = meta_mgr->init(current_period.get_id());
+ if (ret < 0) {
+ lderr(cct) << "ERROR: failed to initialize metadata log: "
+ << cpp_strerror(-ret) << dendl;
+ return ret;
+ }
+
+ if (is_meta_master()) {
+ auto md_log = meta_mgr->get_log(current_period.get_id());
+ meta_notifier = new RGWMetaNotifier(this, md_log);
+ meta_notifier->start();
+ }
+
+ if (run_sync_thread) {
+ Mutex::Locker l(meta_sync_thread_lock);
+ meta_sync_processor_thread = new RGWMetaSyncProcessorThread(this, async_rados);
+ ret = meta_sync_processor_thread->init();
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: failed to initialize meta sync thread" << dendl;
+ return ret;
+ }
+ meta_sync_processor_thread->start();
+
+ Mutex::Locker dl(data_sync_thread_lock);
+ for (auto iter : zone_data_sync_from_map) {
+ ldout(cct, 5) << "starting data sync thread for zone " << iter.first << dendl;
+ RGWDataSyncProcessorThread *thread = new RGWDataSyncProcessorThread(this, async_rados, iter.first);
+ ret = thread->init();
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: failed to initialize data sync thread" << dendl;
+ return ret;
+ }
+ thread->start();
+ data_sync_processor_threads[iter.first] = thread;
+ }
+ auto interval = cct->_conf->rgw_sync_log_trim_interval;
+ if (interval > 0) {
+ sync_log_trimmer = new RGWSyncLogTrimThread(this, interval);
+ ret = sync_log_trimmer->init();
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: failed to initialize sync log trim thread" << dendl;
+ return ret;
+ }
+ sync_log_trimmer->start();
+ }
+ }
+ data_notifier = new RGWDataNotifier(this);
+ data_notifier->start();
+
+ lc = new RGWLC();
+ lc->initialize(cct, this);
+
+ if (use_lc_thread)
+ lc->start_processor();
+
+ quota_handler = RGWQuotaHandler::generate_handler(this, quota_threads);
+
+ bucket_index_max_shards = (cct->_conf->rgw_override_bucket_index_max_shards ? cct->_conf->rgw_override_bucket_index_max_shards :
+ get_zone().bucket_index_max_shards);
+ if (bucket_index_max_shards > get_max_bucket_shards()) {
+ bucket_index_max_shards = get_max_bucket_shards();
+ ldout(cct, 1) << __func__ << " bucket index max shards is too large, reset to value: "
+ << get_max_bucket_shards() << dendl;
+ }
+ ldout(cct, 20) << __func__ << " bucket index max shards: " << bucket_index_max_shards << dendl;
+
+ binfo_cache = new RGWChainedCacheImpl<bucket_info_entry>;
+ binfo_cache->init(this);
+
+ bool need_tombstone_cache = !zone_data_notify_to_map.empty(); /* have zones syncing from us */
+
+ if (need_tombstone_cache) {
+ obj_tombstone_cache = new tombstone_cache_t(cct->_conf->rgw_obj_tombstone_cache_size);
+ }
+
+ reshard_wait = std::make_shared<RGWReshardWait>(this);
+
+ reshard = new RGWReshard(this);
+
+ /* only the master zone in the zonegroup reshards buckets */
+ run_reshard_thread = run_reshard_thread && (get_zonegroup().master_zone == zone_public_config.id);
+ if (run_reshard_thread) {
+ reshard->start_processor();
+ }
+
+ index_completion_manager = new RGWIndexCompletionManager(this);
+ ret = index_completion_manager->start();
+
+ return ret;
+}
+
+/**
+ * Initialize the RADOS instance and prepare to do other ops
+ * Returns 0 on success, -ERR# on failure.
+ */
+int RGWRados::initialize()
+{
+ int ret;
+
+ ret = init_rados();
+ if (ret < 0)
+ return ret;
+
+ return init_complete();
+}
+
+void RGWRados::finalize_watch()
+{
+ for (int i = 0; i < num_watchers; i++) {
+ RGWWatcher *watcher = watchers[i];
+ watcher->unregister_watch();
+ delete watcher;
+ }
+
+ delete[] notify_oids;
+ delete[] watchers;
+}
+
+void RGWRados::schedule_context(Context *c) {
+ finisher->queue(c);
+}
+
+int RGWRados::list_raw_prefixed_objs(const rgw_pool& pool, const string& prefix, list<string>& result)
+{
+ bool is_truncated;
+ RGWListRawObjsCtx ctx;
+ do {
+ list<string> oids;
+ int r = list_raw_objects(pool, prefix, 1000,
+ ctx, oids, &is_truncated);
+ if (r < 0) {
+ return r;
+ }
+ list<string>::iterator iter;
+ for (iter = oids.begin(); iter != oids.end(); ++iter) {
+ string& val = *iter;
+ if (val.size() > prefix.size())
+ result.push_back(val.substr(prefix.size()));
+ }
+ } while (is_truncated);
+
+ return 0;
+}
+
+int RGWRados::list_regions(list<string>& regions)
+{
+ RGWZoneGroup zonegroup;
+
+ return list_raw_prefixed_objs(zonegroup.get_pool(cct), region_info_oid_prefix, regions);
+}
+
+int RGWRados::list_zonegroups(list<string>& zonegroups)
+{
+ RGWZoneGroup zonegroup;
+
+ return list_raw_prefixed_objs(zonegroup.get_pool(cct), zonegroup_names_oid_prefix, zonegroups);
+}
+
+int RGWRados::list_zones(list<string>& zones)
+{
+ RGWZoneParams zoneparams;
+
+ return list_raw_prefixed_objs(zoneparams.get_pool(cct), zone_names_oid_prefix, zones);
+}
+
+int RGWRados::list_realms(list<string>& realms)
+{
+ RGWRealm realm(cct, this);
+ return list_raw_prefixed_objs(realm.get_pool(cct), realm_names_oid_prefix, realms);
+}
+
+int RGWRados::list_periods(list<string>& periods)
+{
+ RGWPeriod period;
+ list<string> raw_periods;
+ int ret = list_raw_prefixed_objs(period.get_pool(cct), period.get_info_oid_prefix(), raw_periods);
+ if (ret < 0) {
+ return ret;
+ }
+ for (const auto& oid : raw_periods) {
+ size_t pos = oid.find(".");
+ if (pos != std::string::npos) {
+ periods.push_back(oid.substr(0, pos));
+ } else {
+ periods.push_back(oid);
+ }
+ }
+ periods.sort(); // unique() only detects duplicates if they're adjacent
+ periods.unique();
+ return 0;
+}
+
+
+int RGWRados::list_periods(const string& current_period, list<string>& periods)
+{
+ int ret = 0;
+ string period_id = current_period;
+ while(!period_id.empty()) {
+ RGWPeriod period(period_id);
+ ret = period.init(cct, this);
+ if (ret < 0) {
+ return ret;
+ }
+ periods.push_back(period.get_id());
+ period_id = period.get_predecessor();
+ }
+
+ return ret;
+}
+
+/**
+ * Open the pool used as root for this gateway
+ * Returns: 0 on success, -ERR# otherwise.
+ */
+int RGWRados::open_root_pool_ctx()
+{
+ return rgw_init_ioctx(get_rados_handle(), get_zone_params().domain_root, root_pool_ctx, true);
+}
+
+int RGWRados::open_gc_pool_ctx()
+{
+ return rgw_init_ioctx(get_rados_handle(), get_zone_params().gc_pool, gc_pool_ctx, true);
+}
+
+int RGWRados::open_lc_pool_ctx()
+{
+ return rgw_init_ioctx(get_rados_handle(), get_zone_params().lc_pool, lc_pool_ctx, true);
+}
+
+int RGWRados::open_objexp_pool_ctx()
+{
+ return rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, objexp_pool_ctx, true);
+}
+
+int RGWRados::open_reshard_pool_ctx()
+{
+ return rgw_init_ioctx(get_rados_handle(), get_zone_params().reshard_pool, reshard_pool_ctx, true);
+}
+
+int RGWRados::init_watch()
+{
+ int r = rgw_init_ioctx(&rados[0], get_zone_params().control_pool, control_pool_ctx, true);
+ if (r < 0) {
+ return r;
+ }
+
+ num_watchers = cct->_conf->rgw_num_control_oids;
+
+ bool compat_oid = (num_watchers == 0);
+
+ if (num_watchers <= 0)
+ num_watchers = 1;
+
+ notify_oids = new string[num_watchers];
+ watchers = new RGWWatcher *[num_watchers];
+
+ for (int i=0; i < num_watchers; i++) {
+ string& notify_oid = notify_oids[i];
+ notify_oid = notify_oid_prefix;
+ if (!compat_oid) {
+ char buf[16];
+ snprintf(buf, sizeof(buf), ".%d", i);
+ notify_oid.append(buf);
+ }
+ r = control_pool_ctx.create(notify_oid, false);
+ if (r < 0 && r != -EEXIST)
+ return r;
+
+ RGWWatcher *watcher = new RGWWatcher(this, i, notify_oid);
+ watchers[i] = watcher;
+
+ r = watcher->register_watch();
+ if (r < 0)
+ return r;
+ }
+
+ watch_initialized = true;
+
+ set_cache_enabled(true);
+
+ return 0;
+}
+
+void RGWRados::pick_control_oid(const string& key, string& notify_oid)
+{
+ uint32_t r = ceph_str_hash_linux(key.c_str(), key.size());
+
+ int i = r % num_watchers;
+ char buf[16];
+ snprintf(buf, sizeof(buf), ".%d", i);
+
+ notify_oid = notify_oid_prefix;
+ notify_oid.append(buf);
+}
+
+int RGWRados::open_pool_ctx(const rgw_pool& pool, librados::IoCtx& io_ctx)
+{
+ librados::Rados *rad = get_rados_handle();
+ int r = rgw_init_ioctx(rad, pool, io_ctx);
+ if (r != -ENOENT)
+ return r;
+
+ if (!pools_initialized)
+ return r;
+
+ r = rad->pool_create(pool.name.c_str());
+ if (r < 0 && r != -EEXIST)
+ return r;
+
+ r = rgw_init_ioctx(rad, pool, io_ctx);
+ if (r < 0)
+ return r;
+
+ r = io_ctx.application_enable(pg_pool_t::APPLICATION_NAME_RGW, false);
+ if (r < 0 && r != -EOPNOTSUPP)
+ return r;
+ return 0;
+}
+
+void RGWRados::build_bucket_index_marker(const string& shard_id_str, const string& shard_marker,
+ string *marker) {
+ if (marker) {
+ *marker = shard_id_str;
+ marker->append(BucketIndexShardsManager::KEY_VALUE_SEPARATOR);
+ marker->append(shard_marker);
+ }
+}
+
+int RGWRados::open_bucket_index_ctx(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx)
+{
+ const string *rule = &bucket_info.placement_rule;
+ if (rule->empty()) {
+ rule = &zonegroup.default_placement;
+ }
+ auto iter = zone_params.placement_pools.find(*rule);
+ if (iter == zone_params.placement_pools.end()) {
+ ldout(cct, 0) << "could not find placement rule " << *rule << " within zonegroup " << dendl;
+ return -EINVAL;
+ }
+
+ int r = open_pool_ctx(iter->second.index_pool, index_ctx);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+/**
+ * set up a bucket listing.
+ * handle is filled in.
+ * Returns 0 on success, -ERR# otherwise.
+ */
+int RGWRados::list_buckets_init(RGWAccessHandle *handle)
+{
+ librados::NObjectIterator *state = new librados::NObjectIterator(root_pool_ctx.nobjects_begin());
+ *handle = (RGWAccessHandle)state;
+ return 0;
+}
+
+/**
+ * get the next bucket in the listing.
+ * obj is filled in,
+ * handle is updated.
+ * returns 0 on success, -ERR# otherwise.
+ */
+int RGWRados::list_buckets_next(rgw_bucket_dir_entry& obj, RGWAccessHandle *handle)
+{
+ librados::NObjectIterator *state = (librados::NObjectIterator *)*handle;
+
+ do {
+ if (*state == root_pool_ctx.nobjects_end()) {
+ delete state;
+ return -ENOENT;
+ }
+
+ obj.key.name = (*state)->get_oid();
+ if (obj.key.name[0] == '_') {
+ obj.key.name = obj.key.name.substr(1);
+ }
+
+ (*state)++;
+ } while (obj.key.name[0] == '.'); /* skip all entries starting with '.' */
+
+ return 0;
+}
+
+
+/**** logs ****/
+
+struct log_list_state {
+ string prefix;
+ librados::IoCtx io_ctx;
+ librados::NObjectIterator obit;
+};
+
+int RGWRados::log_list_init(const string& prefix, RGWAccessHandle *handle)
+{
+ log_list_state *state = new log_list_state;
+ int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, state->io_ctx);
+ if (r < 0) {
+ delete state;
+ return r;
+ }
+ state->prefix = prefix;
+ state->obit = state->io_ctx.nobjects_begin();
+ *handle = (RGWAccessHandle)state;
+ return 0;
+}
+
+int RGWRados::log_list_next(RGWAccessHandle handle, string *name)
+{
+ log_list_state *state = static_cast<log_list_state *>(handle);
+ while (true) {
+ if (state->obit == state->io_ctx.nobjects_end()) {
+ delete state;
+ return -ENOENT;
+ }
+ if (state->prefix.length() &&
+ state->obit->get_oid().find(state->prefix) != 0) {
+ state->obit++;
+ continue;
+ }
+ *name = state->obit->get_oid();
+ state->obit++;
+ break;
+ }
+ return 0;
+}
+
+int RGWRados::log_remove(const string& name)
+{
+ librados::IoCtx io_ctx;
+ int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx);
+ if (r < 0)
+ return r;
+ return io_ctx.remove(name);
+}
+
+struct log_show_state {
+ librados::IoCtx io_ctx;
+ bufferlist bl;
+ bufferlist::iterator p;
+ string name;
+ uint64_t pos;
+ bool eof;
+ log_show_state() : pos(0), eof(false) {}
+};
+
+int RGWRados::log_show_init(const string& name, RGWAccessHandle *handle)
+{
+ log_show_state *state = new log_show_state;
+ int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, state->io_ctx);
+ if (r < 0) {
+ delete state;
+ return r;
+ }
+ state->name = name;
+ *handle = (RGWAccessHandle)state;
+ return 0;
+}
+
+int RGWRados::log_show_next(RGWAccessHandle handle, rgw_log_entry *entry)
+{
+ log_show_state *state = static_cast<log_show_state *>(handle);
+ off_t off = state->p.get_off();
+
+ ldout(cct, 10) << "log_show_next pos " << state->pos << " bl " << state->bl.length()
+ << " off " << off
+ << " eof " << (int)state->eof
+ << dendl;
+ // read some?
+ unsigned chunk = 1024*1024;
+ if ((state->bl.length() - off) < chunk/2 && !state->eof) {
+ bufferlist more;
+ int r = state->io_ctx.read(state->name, more, chunk, state->pos);
+ if (r < 0)
+ return r;
+ state->pos += r;
+ bufferlist old;
+ try {
+ old.substr_of(state->bl, off, state->bl.length() - off);
+ } catch (buffer::error& err) {
+ return -EINVAL;
+ }
+ state->bl.clear();
+ state->bl.claim(old);
+ state->bl.claim_append(more);
+ state->p = state->bl.begin();
+ if ((unsigned)r < chunk)
+ state->eof = true;
+ ldout(cct, 10) << " read " << r << dendl;
+ }
+
+ if (state->p.end())
+ return 0; // end of file
+ try {
+ ::decode(*entry, state->p);
+ }
+ catch (const buffer::error &e) {
+ return -EINVAL;
+ }
+ return 1;
+}
+
+/**
+ * usage_log_hash: get usage log key hash, based on name and index
+ *
+ * Get the usage object name. Since a user may have more than 1
+ * object holding that info (multiple shards), we use index to
+ * specify that shard number. Once index exceeds max shards it
+ * wraps.
+ * If name is not being set, results for all users will be returned
+ * and index will wrap only after total shards number.
+ *
+ * @param cct [in] ceph context
+ * @param name [in] user name
+ * @param hash [out] hash value
+ * @param index [in] shard index number
+ */
+static void usage_log_hash(CephContext *cct, const string& name, string& hash, uint32_t index)
+{
+ uint32_t val = index;
+
+ if (!name.empty()) {
+ int max_user_shards = cct->_conf->rgw_usage_max_user_shards;
+ val %= max_user_shards;
+ val += ceph_str_hash_linux(name.c_str(), name.size());
+ }
+ char buf[17];
+ int max_shards = cct->_conf->rgw_usage_max_shards;
+ snprintf(buf, sizeof(buf), RGW_USAGE_OBJ_PREFIX "%u", (unsigned)(val % max_shards));
+ hash = buf;
+}
+
+int RGWRados::log_usage(map<rgw_user_bucket, RGWUsageBatch>& usage_info)
+{
+ uint32_t index = 0;
+
+ map<string, rgw_usage_log_info> log_objs;
+
+ string hash;
+ string last_user;
+
+ /* restructure usage map, zone by object hash */
+ map<rgw_user_bucket, RGWUsageBatch>::iterator iter;
+ for (iter = usage_info.begin(); iter != usage_info.end(); ++iter) {
+ const rgw_user_bucket& ub = iter->first;
+ RGWUsageBatch& info = iter->second;
+
+ if (ub.user.empty()) {
+ ldout(cct, 0) << "WARNING: RGWRados::log_usage(): user name empty (bucket=" << ub.bucket << "), skipping" << dendl;
+ continue;
+ }
+
+ if (ub.user != last_user) {
+ /* index *should* be random, but why waste extra cycles
+ in most cases max user shards is not going to exceed 1,
+ so just incrementing it */
+ usage_log_hash(cct, ub.user, hash, index++);
+ }
+ last_user = ub.user;
+ vector<rgw_usage_log_entry>& v = log_objs[hash].entries;
+
+ for (auto miter = info.m.begin(); miter != info.m.end(); ++miter) {
+ v.push_back(miter->second);
+ }
+ }
+
+ map<string, rgw_usage_log_info>::iterator liter;
+
+ for (liter = log_objs.begin(); liter != log_objs.end(); ++liter) {
+ int r = cls_obj_usage_log_add(liter->first, liter->second);
+ if (r < 0)
+ return r;
+ }
+ return 0;
+}
+
+int RGWRados::read_usage(const rgw_user& user, uint64_t start_epoch, uint64_t end_epoch, uint32_t max_entries,
+ bool *is_truncated, RGWUsageIter& usage_iter, map<rgw_user_bucket, rgw_usage_log_entry>& usage)
+{
+ uint32_t num = max_entries;
+ string hash, first_hash;
+ string user_str = user.to_str();
+ usage_log_hash(cct, user_str, first_hash, 0);
+
+ if (usage_iter.index) {
+ usage_log_hash(cct, user_str, hash, usage_iter.index);
+ } else {
+ hash = first_hash;
+ }
+
+ usage.clear();
+
+ do {
+ map<rgw_user_bucket, rgw_usage_log_entry> ret_usage;
+ map<rgw_user_bucket, rgw_usage_log_entry>::iterator iter;
+
+ int ret = cls_obj_usage_log_read(hash, user_str, start_epoch, end_epoch, num,
+ usage_iter.read_iter, ret_usage, is_truncated);
+ if (ret == -ENOENT)
+ goto next;
+
+ if (ret < 0)
+ return ret;
+
+ num -= ret_usage.size();
+
+ for (iter = ret_usage.begin(); iter != ret_usage.end(); ++iter) {
+ usage[iter->first].aggregate(iter->second);
+ }
+
+next:
+ if (!*is_truncated) {
+ usage_iter.read_iter.clear();
+ usage_log_hash(cct, user_str, hash, ++usage_iter.index);
+ }
+ } while (num && !*is_truncated && hash != first_hash);
+ return 0;
+}
+
+int RGWRados::trim_usage(rgw_user& user, uint64_t start_epoch, uint64_t end_epoch)
+{
+ uint32_t index = 0;
+ string hash, first_hash;
+ string user_str = user.to_str();
+ usage_log_hash(cct, user_str, first_hash, index);
+
+ hash = first_hash;
+
+ do {
+ int ret = cls_obj_usage_log_trim(hash, user_str, start_epoch, end_epoch);
+ if (ret == -ENOENT)
+ goto next;
+
+ if (ret < 0)
+ return ret;
+
+next:
+ usage_log_hash(cct, user_str, hash, ++index);
+ } while (hash != first_hash);
+
+ return 0;
+}
+
+int RGWRados::key_to_shard_id(const string& key, int max_shards)
+{
+ return rgw_shards_hash(key, max_shards);
+}
+
+void RGWRados::shard_name(const string& prefix, unsigned max_shards, const string& key, string& name, int *shard_id)
+{
+ uint32_t val = ceph_str_hash_linux(key.c_str(), key.size());
+ char buf[16];
+ if (shard_id) {
+ *shard_id = val % max_shards;
+ }
+ snprintf(buf, sizeof(buf), "%u", (unsigned)(val % max_shards));
+ name = prefix + buf;
+}
+
+void RGWRados::shard_name(const string& prefix, unsigned max_shards, const string& section, const string& key, string& name)
+{
+ uint32_t val = ceph_str_hash_linux(key.c_str(), key.size());
+ val ^= ceph_str_hash_linux(section.c_str(), section.size());
+ char buf[16];
+ snprintf(buf, sizeof(buf), "%u", (unsigned)(val % max_shards));
+ name = prefix + buf;
+}
+
+void RGWRados::shard_name(const string& prefix, unsigned shard_id, string& name)
+{
+ char buf[16];
+ snprintf(buf, sizeof(buf), "%u", shard_id);
+ name = prefix + buf;
+
+}
+
+void RGWRados::time_log_prepare_entry(cls_log_entry& entry, const real_time& ut, const string& section, const string& key, bufferlist& bl)
+{
+ cls_log_add_prepare_entry(entry, utime_t(ut), section, key, bl);
+}
+
+int RGWRados::time_log_add_init(librados::IoCtx& io_ctx)
+{
+ return rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx, true);
+
+}
+
+int RGWRados::time_log_add(const string& oid, const real_time& ut, const string& section, const string& key, bufferlist& bl)
+{
+ librados::IoCtx io_ctx;
+
+ int r = time_log_add_init(io_ctx);
+ if (r < 0) {
+ return r;
+ }
+
+ ObjectWriteOperation op;
+ utime_t t(ut);
+ cls_log_add(op, t, section, key, bl);
+
+ return io_ctx.operate(oid, &op);
+}
+
+int RGWRados::time_log_add(const string& oid, list<cls_log_entry>& entries,
+ librados::AioCompletion *completion, bool monotonic_inc)
+{
+ librados::IoCtx io_ctx;
+
+ int r = time_log_add_init(io_ctx);
+ if (r < 0) {
+ return r;
+ }
+
+ ObjectWriteOperation op;
+ cls_log_add(op, entries, monotonic_inc);
+
+ if (!completion) {
+ r = io_ctx.operate(oid, &op);
+ } else {
+ r = io_ctx.aio_operate(oid, completion, &op);
+ }
+ return r;
+}
+
+int RGWRados::time_log_list(const string& oid, const real_time& start_time, const real_time& end_time,
+ int max_entries, list<cls_log_entry>& entries,
+ const string& marker,
+ string *out_marker,
+ bool *truncated)
+{
+ librados::IoCtx io_ctx;
+
+ int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx);
+ if (r < 0)
+ return r;
+ librados::ObjectReadOperation op;
+
+ utime_t st(start_time);
+ utime_t et(end_time);
+
+ cls_log_list(op, st, et, marker, max_entries, entries,
+ out_marker, truncated);
+
+ bufferlist obl;
+
+ int ret = io_ctx.operate(oid, &op, &obl);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+int RGWRados::time_log_info(const string& oid, cls_log_header *header)
+{
+ librados::IoCtx io_ctx;
+
+ int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx);
+ if (r < 0)
+ return r;
+ librados::ObjectReadOperation op;
+
+ cls_log_info(op, header);
+
+ bufferlist obl;
+
+ int ret = io_ctx.operate(oid, &op, &obl);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+int RGWRados::time_log_info_async(librados::IoCtx& io_ctx, const string& oid, cls_log_header *header, librados::AioCompletion *completion)
+{
+ int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx);
+ if (r < 0)
+ return r;
+
+ librados::ObjectReadOperation op;
+
+ cls_log_info(op, header);
+
+ int ret = io_ctx.aio_operate(oid, completion, &op, NULL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+int RGWRados::time_log_trim(const string& oid, const real_time& start_time, const real_time& end_time,
+ const string& from_marker, const string& to_marker,
+ librados::AioCompletion *completion)
+{
+ librados::IoCtx io_ctx;
+
+ int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx);
+ if (r < 0)
+ return r;
+
+ utime_t st(start_time);
+ utime_t et(end_time);
+
+ ObjectWriteOperation op;
+ cls_log_trim(op, st, et, from_marker, to_marker);
+
+ if (!completion) {
+ r = io_ctx.operate(oid, &op);
+ } else {
+ r = io_ctx.aio_operate(oid, completion, &op);
+ }
+ return r;
+}
+
+string RGWRados::objexp_hint_get_shardname(int shard_num)
+{
+ char buf[32];
+ snprintf(buf, sizeof(buf), "%010u", (unsigned)shard_num);
+
+ string objname("obj_delete_at_hint.");
+ return objname + buf;
+}
+
+int RGWRados::objexp_key_shard(const rgw_obj_index_key& key)
+{
+ string obj_key = key.name + key.instance;
+ int num_shards = cct->_conf->rgw_objexp_hints_num_shards;
+ uint32_t sid = ceph_str_hash_linux(obj_key.c_str(), obj_key.size());
+ uint32_t sid2 = sid ^ ((sid & 0xFF) << 24);
+ sid = rgw_shards_mod(sid2, num_shards);
+ return sid;
+}
+
+static string objexp_hint_get_keyext(const string& tenant_name,
+ const string& bucket_name,
+ const string& bucket_id,
+ const rgw_obj_key& obj_key)
+{
+ return tenant_name + (tenant_name.empty() ? "" : ":") + bucket_name + ":" + bucket_id +
+ ":" + obj_key.name + ":" + obj_key.instance;
+}
+
+int RGWRados::objexp_hint_add(const ceph::real_time& delete_at,
+ const string& tenant_name,
+ const string& bucket_name,
+ const string& bucket_id,
+ const rgw_obj_index_key& obj_key)
+{
+ const string keyext = objexp_hint_get_keyext(tenant_name, bucket_name,
+ bucket_id, obj_key);
+ objexp_hint_entry he = {
+ .tenant = tenant_name,
+ .bucket_name = bucket_name,
+ .bucket_id = bucket_id,
+ .obj_key = obj_key,
+ .exp_time = delete_at };
+ bufferlist hebl;
+ ::encode(he, hebl);
+ ObjectWriteOperation op;
+ cls_timeindex_add(op, utime_t(delete_at), keyext, hebl);
+
+ string shard_name = objexp_hint_get_shardname(objexp_key_shard(obj_key));
+ return objexp_pool_ctx.operate(shard_name, &op);
+}
+
+void RGWRados::objexp_get_shard(int shard_num,
+ string& shard) /* out */
+{
+ shard = objexp_hint_get_shardname(shard_num);
+}
+
+int RGWRados::objexp_hint_list(const string& oid,
+ const ceph::real_time& start_time,
+ const ceph::real_time& end_time,
+ const int max_entries,
+ const string& marker,
+ list<cls_timeindex_entry>& entries, /* out */
+ string *out_marker, /* out */
+ bool *truncated) /* out */
+{
+ librados::ObjectReadOperation op;
+ cls_timeindex_list(op, utime_t(start_time), utime_t(end_time), marker, max_entries, entries,
+ out_marker, truncated);
+
+ bufferlist obl;
+ int ret = objexp_pool_ctx.operate(oid, &op, &obl);
+
+ if ((ret < 0 ) && (ret != -ENOENT)) {
+ return ret;
+ }
+
+ if ((ret == -ENOENT) && truncated) {
+ *truncated = false;
+ }
+
+ return 0;
+}
+
+int RGWRados::objexp_hint_parse(cls_timeindex_entry &ti_entry, /* in */
+ objexp_hint_entry& hint_entry) /* out */
+{
+ try {
+ bufferlist::iterator iter = ti_entry.value.begin();
+ ::decode(hint_entry, iter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: couldn't decode avail_pools" << dendl;
+ }
+
+ return 0;
+}
+
+int RGWRados::objexp_hint_trim(const string& oid,
+ const ceph::real_time& start_time,
+ const ceph::real_time& end_time,
+ const string& from_marker,
+ const string& to_marker)
+{
+ int ret = cls_timeindex_trim(objexp_pool_ctx, oid, utime_t(start_time), utime_t(end_time),
+ from_marker, to_marker);
+ if ((ret < 0 ) && (ret != -ENOENT)) {
+ return ret;
+ }
+
+ return 0;
+}
+
+int RGWRados::lock_exclusive(rgw_pool& pool, const string& oid, timespan& duration,
+ string& zone_id, string& owner_id) {
+ librados::IoCtx io_ctx;
+
+ int r = rgw_init_ioctx(get_rados_handle(), pool, io_ctx);
+ if (r < 0) {
+ return r;
+ }
+ uint64_t msec = std::chrono::duration_cast<std::chrono::milliseconds>(duration).count();
+ utime_t ut(msec / 1000, msec % 1000);
+
+ rados::cls::lock::Lock l(log_lock_name);
+ l.set_duration(ut);
+ l.set_cookie(owner_id);
+ l.set_tag(zone_id);
+ l.set_renew(true);
+
+ return l.lock_exclusive(&io_ctx, oid);
+}
+
+int RGWRados::unlock(rgw_pool& pool, const string& oid, string& zone_id, string& owner_id) {
+ librados::IoCtx io_ctx;
+
+ int r = rgw_init_ioctx(get_rados_handle(), pool, io_ctx);
+ if (r < 0) {
+ return r;
+ }
+
+ rados::cls::lock::Lock l(log_lock_name);
+ l.set_tag(zone_id);
+ l.set_cookie(owner_id);
+
+ return l.unlock(&io_ctx, oid);
+}
+
+int RGWRados::decode_policy(bufferlist& bl, ACLOwner *owner)
+{
+ bufferlist::iterator i = bl.begin();
+ RGWAccessControlPolicy policy(cct);
+ try {
+ policy.decode_owner(i);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: could not decode policy, caught buffer::error" << dendl;
+ return -EIO;
+ }
+ *owner = policy.get_owner();
+ return 0;
+}
+
+int rgw_policy_from_attrset(CephContext *cct, map<string, bufferlist>& attrset, RGWAccessControlPolicy *policy)
+{
+ map<string, bufferlist>::iterator aiter = attrset.find(RGW_ATTR_ACL);
+ if (aiter == attrset.end())
+ return -EIO;
+
+ bufferlist& bl = aiter->second;
+ bufferlist::iterator iter = bl.begin();
+ try {
+ policy->decode(iter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: could not decode policy, caught buffer::error" << dendl;
+ return -EIO;
+ }
+ if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 15)) {
+ RGWAccessControlPolicy_S3 *s3policy = static_cast<RGWAccessControlPolicy_S3 *>(policy);
+ ldout(cct, 15) << __func__ << " Read AccessControlPolicy";
+ s3policy->to_xml(*_dout);
+ *_dout << dendl;
+ }
+ return 0;
+}
+
+
+int RGWRados::Bucket::update_bucket_id(const string& new_bucket_id)
+{
+ rgw_bucket bucket = bucket_info.bucket;
+ bucket.update_bucket_id(new_bucket_id);
+
+ RGWObjectCtx obj_ctx(store);
+
+ int ret = store->get_bucket_instance_info(obj_ctx, bucket, bucket_info, nullptr, nullptr);
+ if (ret < 0) {
+ return ret;
+ }
+
+ return 0;
+}
+
+/**
+ * get listing of the objects in a bucket.
+ *
+ * max: maximum number of results to return
+ * bucket: bucket to list contents of
+ * prefix: only return results that match this prefix
+ * delim: do not include results that match this string.
+ * Any skipped results will have the matching portion of their name
+ * inserted in common_prefixes with a "true" mark.
+ * marker: if filled in, begin the listing with this object.
+ * end_marker: if filled in, end the listing with this object.
+ * result: the objects are put in here.
+ * common_prefixes: if delim is filled in, any matching prefixes are placed here.
+ * is_truncated: if number of objects in the bucket is bigger than max, then truncated.
+ */
+int RGWRados::Bucket::List::list_objects(int64_t max,
+ vector<rgw_bucket_dir_entry> *result,
+ map<string, bool> *common_prefixes,
+ bool *is_truncated)
+{
+ RGWRados *store = target->get_store();
+ CephContext *cct = store->ctx();
+ int shard_id = target->get_shard_id();
+
+ int count = 0;
+ bool truncated = true;
+ int read_ahead = std::max(cct->_conf->rgw_list_bucket_min_readahead,max);
+
+ result->clear();
+
+ rgw_obj_key marker_obj(params.marker.name, params.marker.instance, params.ns);
+ rgw_obj_index_key cur_marker;
+ marker_obj.get_index_key(&cur_marker);
+
+ rgw_obj_key end_marker_obj(params.end_marker.name, params.end_marker.instance,
+ params.ns);
+ rgw_obj_index_key cur_end_marker;
+ end_marker_obj.get_index_key(&cur_end_marker);
+ const bool cur_end_marker_valid = !params.end_marker.empty();
+
+ rgw_obj_key prefix_obj(params.prefix);
+ prefix_obj.ns = params.ns;
+ string cur_prefix = prefix_obj.get_index_key_name();
+
+ string bigger_than_delim;
+
+ if (!params.delim.empty()) {
+ unsigned long val = decode_utf8((unsigned char *)params.delim.c_str(), params.delim.size());
+ char buf[params.delim.size() + 16];
+ int r = encode_utf8(val + 1, (unsigned char *)buf);
+ if (r < 0) {
+ ldout(cct,0) << "ERROR: encode_utf8() failed" << dendl;
+ return -EINVAL;
+ }
+ buf[r] = '\0';
+
+ bigger_than_delim = buf;
+
+ /* if marker points at a common prefix, fast forward it into its upperbound string */
+ int delim_pos = cur_marker.name.find(params.delim, cur_prefix.size());
+ if (delim_pos >= 0) {
+ string s = cur_marker.name.substr(0, delim_pos);
+ s.append(bigger_than_delim);
+ cur_marker = s;
+ }
+ }
+
+ string skip_after_delim;
+ while (truncated && count <= max) {
+ if (skip_after_delim > cur_marker.name) {
+ cur_marker = skip_after_delim;
+ ldout(cct, 20) << "setting cur_marker=" << cur_marker.name << "[" << cur_marker.instance << "]" << dendl;
+ }
+ std::map<string, rgw_bucket_dir_entry> ent_map;
+ int r = store->cls_bucket_list(target->get_bucket_info(), shard_id, cur_marker, cur_prefix,
+ read_ahead + 1 - count, params.list_versions, ent_map,
+ &truncated, &cur_marker);
+ if (r < 0)
+ return r;
+
+ std::map<string, rgw_bucket_dir_entry>::iterator eiter;
+ for (eiter = ent_map.begin(); eiter != ent_map.end(); ++eiter) {
+ rgw_bucket_dir_entry& entry = eiter->second;
+ rgw_obj_index_key index_key = entry.key;
+
+ rgw_obj_key obj(index_key);
+
+ /* note that parse_raw_oid() here will not set the correct object's instance, as
+ * rgw_obj_index_key encodes that separately. We don't need to set the instance because it's
+ * not needed for the checks here and we end up using the raw entry for the return vector
+ */
+ bool valid = rgw_obj_key::parse_raw_oid(index_key.name, &obj);
+ if (!valid) {
+ ldout(cct, 0) << "ERROR: could not parse object name: " << obj.name << dendl;
+ continue;
+ }
+ bool check_ns = (obj.ns == params.ns);
+ if (!params.list_versions && !entry.is_visible()) {
+ continue;
+ }
+
+ if (params.enforce_ns && !check_ns) {
+ if (!params.ns.empty()) {
+ /* we've iterated past the namespace we're searching -- done now */
+ truncated = false;
+ goto done;
+ }
+
+ /* we're not looking at the namespace this object is in, next! */
+ continue;
+ }
+
+ if (cur_end_marker_valid && cur_end_marker <= index_key) {
+ truncated = false;
+ goto done;
+ }
+
+ if (count < max) {
+ params.marker = index_key;
+ next_marker = index_key;
+ }
+
+ if (params.filter && !params.filter->filter(obj.name, index_key.name))
+ continue;
+
+ if (params.prefix.size() && (obj.name.compare(0, params.prefix.size(), params.prefix) != 0))
+ continue;
+
+ if (!params.delim.empty()) {
+ int delim_pos = obj.name.find(params.delim, params.prefix.size());
+
+ if (delim_pos >= 0) {
+ string prefix_key = obj.name.substr(0, delim_pos + 1);
+
+ if (common_prefixes &&
+ common_prefixes->find(prefix_key) == common_prefixes->end()) {
+ if (count >= max) {
+ truncated = true;
+ goto done;
+ }
+ next_marker = prefix_key;
+ (*common_prefixes)[prefix_key] = true;
+
+ int marker_delim_pos = cur_marker.name.find(params.delim, cur_prefix.size());
+
+ skip_after_delim = cur_marker.name.substr(0, marker_delim_pos);
+ skip_after_delim.append(bigger_than_delim);
+
+ ldout(cct, 20) << "skip_after_delim=" << skip_after_delim << dendl;
+
+ count++;
+ }
+
+ continue;
+ }
+ }
+
+ if (count >= max) {
+ truncated = true;
+ goto done;
+ }
+
+ result->emplace_back(std::move(entry));
+ count++;
+ }
+
+ // Either the back-end telling us truncated, or we don't consume all
+ // items returned per the amount caller request
+ truncated = (truncated || eiter != ent_map.end());
+ }
+
+done:
+ if (is_truncated)
+ *is_truncated = truncated;
+
+ return 0;
+}
+
+/**
+ * create a rados pool, associated meta info
+ * returns 0 on success, -ERR# otherwise.
+ */
+int RGWRados::create_pool(const rgw_pool& pool)
+{
+ int ret = 0;
+
+ librados::Rados *rad = get_rados_handle();
+ ret = rad->pool_create(pool.name.c_str(), 0);
+ if (ret == -EEXIST)
+ ret = 0;
+ else if (ret == -ERANGE) {
+ ldout(cct, 0)
+ << __func__
+ << " ERROR: librados::Rados::pool_create returned " << cpp_strerror(-ret)
+ << " (this can be due to a pool or placement group misconfiguration, e.g., pg_num < pgp_num)"
+ << dendl;
+ }
+ if (ret < 0)
+ return ret;
+
+ librados::IoCtx io_ctx;
+ ret = rad->ioctx_create(pool.name.c_str(), io_ctx);
+ if (ret < 0)
+ return ret;
+
+ ret = io_ctx.application_enable(pg_pool_t::APPLICATION_NAME_RGW, false);
+ if (ret < 0 && ret != -EOPNOTSUPP)
+ return ret;
+ return 0;
+}
+
+int RGWRados::init_bucket_index(RGWBucketInfo& bucket_info, int num_shards)
+{
+ librados::IoCtx index_ctx; // context for new bucket
+
+ string dir_oid = dir_oid_prefix;
+ int r = open_bucket_index_ctx(bucket_info, index_ctx);
+ if (r < 0) {
+ return r;
+ }
+
+ dir_oid.append(bucket_info.bucket.bucket_id);
+
+ map<int, string> bucket_objs;
+ get_bucket_index_objects(dir_oid, num_shards, bucket_objs);
+
+ return CLSRGWIssueBucketIndexInit(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio)();
+}
+
+void RGWRados::create_bucket_id(string *bucket_id)
+{
+ uint64_t iid = instance_id();
+ uint64_t bid = next_bucket_id();
+ char buf[get_zone_params().get_id().size() + 48];
+ snprintf(buf, sizeof(buf), "%s.%llu.%llu", get_zone_params().get_id().c_str(), (long long)iid, (long long)bid);
+ *bucket_id = buf;
+}
+
+int RGWRados::create_bucket(RGWUserInfo& owner, rgw_bucket& bucket,
+ const string& zonegroup_id,
+ const string& placement_rule,
+ const string& swift_ver_location,
+ const RGWQuotaInfo * pquota_info,
+ map<std::string, bufferlist>& attrs,
+ RGWBucketInfo& info,
+ obj_version *pobjv,
+ obj_version *pep_objv,
+ real_time creation_time,
+ rgw_bucket *pmaster_bucket,
+ uint32_t *pmaster_num_shards,
+ bool exclusive)
+{
+#define MAX_CREATE_RETRIES 20 /* need to bound retries */
+ string selected_placement_rule_name;
+ RGWZonePlacementInfo rule_info;
+
+ for (int i = 0; i < MAX_CREATE_RETRIES; i++) {
+ int ret = 0;
+ ret = select_bucket_placement(owner, zonegroup_id, placement_rule,
+ &selected_placement_rule_name, &rule_info);
+ if (ret < 0)
+ return ret;
+
+ if (!pmaster_bucket) {
+ create_bucket_id(&bucket.marker);
+ bucket.bucket_id = bucket.marker;
+ } else {
+ bucket.marker = pmaster_bucket->marker;
+ bucket.bucket_id = pmaster_bucket->bucket_id;
+ }
+
+ RGWObjVersionTracker& objv_tracker = info.objv_tracker;
+
+ if (pobjv) {
+ objv_tracker.write_version = *pobjv;
+ } else {
+ objv_tracker.generate_new_write_ver(cct);
+ }
+
+ info.bucket = bucket;
+ info.owner = owner.user_id;
+ info.zonegroup = zonegroup_id;
+ info.placement_rule = selected_placement_rule_name;
+ info.index_type = rule_info.index_type;
+ info.swift_ver_location = swift_ver_location;
+ info.swift_versioning = (!swift_ver_location.empty());
+ if (pmaster_num_shards) {
+ info.num_shards = *pmaster_num_shards;
+ } else {
+ info.num_shards = bucket_index_max_shards;
+ }
+ info.bucket_index_shard_hash_type = RGWBucketInfo::MOD;
+ info.requester_pays = false;
+ if (real_clock::is_zero(creation_time)) {
+ info.creation_time = ceph::real_clock::now();
+ } else {
+ info.creation_time = creation_time;
+ }
+ if (pquota_info) {
+ info.quota = *pquota_info;
+ }
+
+ int r = init_bucket_index(info, info.num_shards);
+ if (r < 0) {
+ return r;
+ }
+
+ ret = put_linked_bucket_info(info, exclusive, ceph::real_time(), pep_objv, &attrs, true);
+ if (ret == -EEXIST) {
+ librados::IoCtx index_ctx;
+ map<int, string> bucket_objs;
+ int r = open_bucket_index(info, index_ctx, bucket_objs);
+ if (r < 0)
+ return r;
+
+ /* we need to reread the info and return it, caller will have a use for it */
+ RGWObjVersionTracker instance_ver = info.objv_tracker;
+ info.objv_tracker.clear();
+ RGWObjectCtx obj_ctx(this);
+ r = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, info, NULL, NULL);
+ if (r < 0) {
+ if (r == -ENOENT) {
+ continue;
+ }
+ ldout(cct, 0) << "get_bucket_info returned " << r << dendl;
+ return r;
+ }
+
+ /* only remove it if it's a different bucket instance */
+ if (info.bucket.bucket_id != bucket.bucket_id) {
+ /* remove bucket meta instance */
+ string entry = bucket.get_key();
+ r = rgw_bucket_instance_remove_entry(this, entry, &instance_ver);
+ if (r < 0)
+ return r;
+
+ map<int, string>::const_iterator biter;
+ for (biter = bucket_objs.begin(); biter != bucket_objs.end(); ++biter) {
+ // Do best effort removal
+ index_ctx.remove(biter->second);
+ }
+ }
+ /* ret == -ENOENT here */
+ }
+ return ret;
+ }
+
+ /* this is highly unlikely */
+ ldout(cct, 0) << "ERROR: could not create bucket, continuously raced with bucket creation and removal" << dendl;
+ return -ENOENT;
+}
+
+int RGWRados::select_new_bucket_location(RGWUserInfo& user_info, const string& zonegroup_id, const string& request_rule,
+ string *pselected_rule_name, RGWZonePlacementInfo *rule_info)
+
+{
+ /* first check that zonegroup exists within current period. */
+ RGWZoneGroup zonegroup;
+ int ret = get_zonegroup(zonegroup_id, zonegroup);
+ if (ret < 0) {
+ ldout(cct, 0) << "could not find zonegroup " << zonegroup_id << " in current period" << dendl;
+ return ret;
+ }
+
+ /* find placement rule. Hierarchy: request rule > user default rule > zonegroup default rule */
+ std::map<std::string, RGWZoneGroupPlacementTarget>::const_iterator titer;
+
+ if (!request_rule.empty()) {
+ titer = zonegroup.placement_targets.find(request_rule);
+ if (titer == zonegroup.placement_targets.end()) {
+ ldout(cct, 0) << "could not find requested placement id " << request_rule
+ << " within zonegroup " << dendl;
+ return -ERR_INVALID_LOCATION_CONSTRAINT;
+ }
+ } else if (!user_info.default_placement.empty()) {
+ titer = zonegroup.placement_targets.find(user_info.default_placement);
+ if (titer == zonegroup.placement_targets.end()) {
+ ldout(cct, 0) << "could not find user default placement id " << user_info.default_placement
+ << " within zonegroup " << dendl;
+ return -ERR_INVALID_LOCATION_CONSTRAINT;
+ }
+ } else {
+ if (zonegroup.default_placement.empty()) { // zonegroup default rule as fallback, it should not be empty.
+ ldout(cct, 0) << "misconfiguration, zonegroup default placement id should not be empty." << dendl;
+ return -ERR_ZONEGROUP_DEFAULT_PLACEMENT_MISCONFIGURATION;
+ } else {
+ titer = zonegroup.placement_targets.find(zonegroup.default_placement);
+ if (titer == zonegroup.placement_targets.end()) {
+ ldout(cct, 0) << "could not find zonegroup default placement id " << zonegroup.default_placement
+ << " within zonegroup " << dendl;
+ return -ERR_INVALID_LOCATION_CONSTRAINT;
+ }
+ }
+ }
+
+ /* now check tag for the rule, whether user is permitted to use rule */
+ const auto& target_rule = titer->second;
+ if (!target_rule.user_permitted(user_info.placement_tags)) {
+ ldout(cct, 0) << "user not permitted to use placement rule " << titer->first << dendl;
+ return -EPERM;
+ }
+
+ if (pselected_rule_name)
+ *pselected_rule_name = titer->first;
+
+ return select_bucket_location_by_rule(titer->first, rule_info);
+}
+
+int RGWRados::select_bucket_location_by_rule(const string& location_rule, RGWZonePlacementInfo *rule_info)
+{
+ if (location_rule.empty()) {
+ /* we can only reach here if we're trying to set a bucket location from a bucket
+ * created on a different zone, using a legacy / default pool configuration
+ */
+ return select_legacy_bucket_placement(rule_info);
+ }
+
+ /*
+ * make sure that zone has this rule configured. We're
+ * checking it for the local zone, because that's where this bucket object is going to
+ * reside.
+ */
+ map<string, RGWZonePlacementInfo>::iterator piter = get_zone_params().placement_pools.find(location_rule);
+ if (piter == get_zone_params().placement_pools.end()) {
+ /* couldn't find, means we cannot really place data for this bucket in this zone */
+ if (get_zonegroup().equals(zonegroup.get_id())) {
+ /* that's a configuration error, zone should have that rule, as we're within the requested
+ * zonegroup */
+ return -EINVAL;
+ } else {
+ /* oh, well, data is not going to be placed here, bucket object is just a placeholder */
+ return 0;
+ }
+ }
+
+ RGWZonePlacementInfo& placement_info = piter->second;
+
+ if (rule_info) {
+ *rule_info = placement_info;
+ }
+
+ return 0;
+}
+
+int RGWRados::select_bucket_placement(RGWUserInfo& user_info, const string& zonegroup_id, const string& placement_rule,
+ string *pselected_rule_name, RGWZonePlacementInfo *rule_info)
+{
+ if (!get_zone_params().placement_pools.empty()) {
+ return select_new_bucket_location(user_info, zonegroup_id, placement_rule,
+ pselected_rule_name, rule_info);
+ }
+
+ if (pselected_rule_name) {
+ pselected_rule_name->clear();
+ }
+
+ return select_legacy_bucket_placement(rule_info);
+}
+
+int RGWRados::select_legacy_bucket_placement(RGWZonePlacementInfo *rule_info)
+{
+ bufferlist map_bl;
+ map<string, bufferlist> m;
+ string pool_name;
+ bool write_map = false;
+
+ rgw_raw_obj obj(get_zone_params().domain_root, avail_pools);
+
+ RGWObjectCtx obj_ctx(this);
+ int ret = rgw_get_system_obj(this, obj_ctx, get_zone_params().domain_root, avail_pools, map_bl, NULL, NULL);
+ if (ret < 0) {
+ goto read_omap;
+ }
+
+ try {
+ bufferlist::iterator iter = map_bl.begin();
+ ::decode(m, iter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: couldn't decode avail_pools" << dendl;
+ }
+
+read_omap:
+ if (m.empty()) {
+ bufferlist header;
+ ret = omap_get_all(obj, header, m);
+
+ write_map = true;
+ }
+
+ if (ret < 0 || m.empty()) {
+ vector<rgw_pool> pools;
+ string s = string("default.") + default_storage_pool_suffix;
+ pools.push_back(rgw_pool(s));
+ vector<int> retcodes;
+ bufferlist bl;
+ ret = create_pools(pools, retcodes);
+ if (ret < 0)
+ return ret;
+ ret = omap_set(obj, s, bl);
+ if (ret < 0)
+ return ret;
+ m[s] = bl;
+ }
+
+ if (write_map) {
+ bufferlist new_bl;
+ ::encode(m, new_bl);
+ ret = put_system_obj_data(NULL, obj, new_bl, -1, false);
+ if (ret < 0) {
+ ldout(cct, 0) << "WARNING: could not save avail pools map info ret=" << ret << dendl;
+ }
+ }
+
+ map<string, bufferlist>::iterator miter;
+ if (m.size() > 1) {
+ vector<string> v;
+ for (miter = m.begin(); miter != m.end(); ++miter) {
+ v.push_back(miter->first);
+ }
+
+ uint32_t r;
+ ret = get_random_bytes((char *)&r, sizeof(r));
+ if (ret < 0)
+ return ret;
+
+ int i = r % v.size();
+ pool_name = v[i];
+ } else {
+ miter = m.begin();
+ pool_name = miter->first;
+ }
+
+ rule_info->data_pool = pool_name;
+ rule_info->data_extra_pool = pool_name;
+ rule_info->index_pool = pool_name;
+ rule_info->index_type = RGWBIType_Normal;
+
+ return 0;
+}
+
+bool RGWRados::get_obj_data_pool(const string& placement_rule, const rgw_obj& obj, rgw_pool *pool)
+{
+ return rgw_get_obj_data_pool(zonegroup, zone_params, placement_rule, obj, pool);
+}
+
+bool RGWRados::obj_to_raw(const string& placement_rule, const rgw_obj& obj, rgw_raw_obj *raw_obj)
+{
+ get_obj_bucket_and_oid_loc(obj, raw_obj->oid, raw_obj->loc);
+
+ return get_obj_data_pool(placement_rule, obj, &raw_obj->pool);
+}
+
+int RGWRados::update_placement_map()
+{
+ bufferlist header;
+ map<string, bufferlist> m;
+ rgw_raw_obj obj(get_zone_params().domain_root, avail_pools);
+ int ret = omap_get_all(obj, header, m);
+ if (ret < 0)
+ return ret;
+
+ bufferlist new_bl;
+ ::encode(m, new_bl);
+ ret = put_system_obj_data(NULL, obj, new_bl, -1, false);
+ if (ret < 0) {
+ ldout(cct, 0) << "WARNING: could not save avail pools map info ret=" << ret << dendl;
+ }
+
+ return ret;
+}
+
+int RGWRados::add_bucket_placement(const rgw_pool& new_pool)
+{
+ librados::Rados *rad = get_rados_handle();
+ int ret = rad->pool_lookup(new_pool.name.c_str());
+ if (ret < 0) // DNE, or something
+ return ret;
+
+ rgw_raw_obj obj(get_zone_params().domain_root, avail_pools);
+ bufferlist empty_bl;
+ ret = omap_set(obj, new_pool.to_str(), empty_bl);
+
+ // don't care about return value
+ update_placement_map();
+
+ return ret;
+}
+
+int RGWRados::remove_bucket_placement(const rgw_pool& old_pool)
+{
+ rgw_raw_obj obj(get_zone_params().domain_root, avail_pools);
+ int ret = omap_del(obj, old_pool.to_str());
+
+ // don't care about return value
+ update_placement_map();
+
+ return ret;
+}
+
+int RGWRados::list_placement_set(set<rgw_pool>& names)
+{
+ bufferlist header;
+ map<string, bufferlist> m;
+
+ rgw_raw_obj obj(get_zone_params().domain_root, avail_pools);
+ int ret = omap_get_all(obj, header, m);
+ if (ret < 0)
+ return ret;
+
+ names.clear();
+ map<string, bufferlist>::iterator miter;
+ for (miter = m.begin(); miter != m.end(); ++miter) {
+ names.insert(rgw_pool(miter->first));
+ }
+
+ return names.size();
+}
+
+int RGWRados::create_pools(vector<rgw_pool>& pools, vector<int>& retcodes)
+{
+ vector<librados::PoolAsyncCompletion *> completions;
+ vector<int> rets;
+
+ librados::Rados *rad = get_rados_handle();
+ for (auto iter = pools.begin(); iter != pools.end(); ++iter) {
+ librados::PoolAsyncCompletion *c = librados::Rados::pool_async_create_completion();
+ completions.push_back(c);
+ rgw_pool& pool = *iter;
+ int ret = rad->pool_create_async(pool.name.c_str(), c);
+ rets.push_back(ret);
+ }
+
+ vector<int>::iterator riter;
+ vector<librados::PoolAsyncCompletion *>::iterator citer;
+
+ bool error = false;
+ assert(rets.size() == completions.size());
+ for (riter = rets.begin(), citer = completions.begin(); riter != rets.end(); ++riter, ++citer) {
+ int r = *riter;
+ PoolAsyncCompletion *c = *citer;
+ if (r == 0) {
+ c->wait();
+ r = c->get_return_value();
+ if (r < 0) {
+ ldout(cct, 0) << "WARNING: async pool_create returned " << r << dendl;
+ error = true;
+ }
+ }
+ c->release();
+ retcodes.push_back(r);
+ }
+ if (error) {
+ return 0;
+ }
+
+ std::vector<librados::IoCtx> io_ctxs;
+ retcodes.clear();
+ for (auto pool : pools) {
+ io_ctxs.emplace_back();
+ int ret = rad->ioctx_create(pool.name.c_str(), io_ctxs.back());
+ if (ret < 0) {
+ ldout(cct, 0) << "WARNING: ioctx_create returned " << ret << dendl;
+ error = true;
+ }
+ retcodes.push_back(ret);
+ }
+ if (error) {
+ return 0;
+ }
+
+ completions.clear();
+ for (auto &io_ctx : io_ctxs) {
+ librados::PoolAsyncCompletion *c =
+ librados::Rados::pool_async_create_completion();
+ completions.push_back(c);
+ int ret = io_ctx.application_enable_async(pg_pool_t::APPLICATION_NAME_RGW,
+ false, c);
+ assert(ret == 0);
+ }
+
+ retcodes.clear();
+ for (auto c : completions) {
+ c->wait();
+ int ret = c->get_return_value();
+ if (ret == -EOPNOTSUPP) {
+ ret = 0;
+ } else if (ret < 0) {
+ ldout(cct, 0) << "WARNING: async application_enable returned " << ret
+ << dendl;
+ error = true;
+ }
+ c->release();
+ retcodes.push_back(ret);
+ }
+ return 0;
+}
+
+int RGWRados::get_obj_head_ioctx(const RGWBucketInfo& bucket_info, const rgw_obj& obj, librados::IoCtx *ioctx)
+{
+ string oid, key;
+ get_obj_bucket_and_oid_loc(obj, oid, key);
+
+ rgw_pool pool;
+ if (!get_obj_data_pool(bucket_info.placement_rule, obj, &pool)) {
+ ldout(cct, 0) << "ERROR: cannot get data pool for obj=" << obj << ", probably misconfiguration" << dendl;
+ return -EIO;
+ }
+
+ int r = open_pool_ctx(pool, *ioctx);
+ if (r < 0) {
+ return r;
+ }
+
+ ioctx->locator_set_key(key);
+
+ return 0;
+}
+
+int RGWRados::get_obj_head_ref(const RGWBucketInfo& bucket_info, const rgw_obj& obj, rgw_rados_ref *ref)
+{
+ get_obj_bucket_and_oid_loc(obj, ref->oid, ref->key);
+
+ rgw_pool pool;
+ if (!get_obj_data_pool(bucket_info.placement_rule, obj, &pool)) {
+ ldout(cct, 0) << "ERROR: cannot get data pool for obj=" << obj << ", probably misconfiguration" << dendl;
+ return -EIO;
+ }
+
+ int r = open_pool_ctx(pool, ref->ioctx);
+ if (r < 0) {
+ return r;
+ }
+
+ ref->ioctx.locator_set_key(ref->key);
+
+ return 0;
+}
+
+int RGWRados::get_raw_obj_ref(const rgw_raw_obj& obj, rgw_rados_ref *ref)
+{
+ ref->oid = obj.oid;
+ ref->key = obj.loc;
+
+ int r;
+
+ if (ref->oid.empty()) {
+ ref->oid = obj.pool.to_str();
+ ref->pool = get_zone_params().domain_root;
+ } else {
+ ref->pool = obj.pool;
+ }
+ r = open_pool_ctx(ref->pool, ref->ioctx);
+ if (r < 0)
+ return r;
+
+ ref->ioctx.locator_set_key(ref->key);
+
+ return 0;
+}
+
+int RGWRados::get_system_obj_ref(const rgw_raw_obj& obj, rgw_rados_ref *ref)
+{
+ return get_raw_obj_ref(obj, ref);
+}
+
+/*
+ * fixes an issue where head objects were supposed to have a locator created, but ended
+ * up without one
+ */
+int RGWRados::fix_head_obj_locator(const RGWBucketInfo& bucket_info, bool copy_obj, bool remove_bad, rgw_obj_key& key)
+{
+ const rgw_bucket& bucket = bucket_info.bucket;
+ string oid;
+ string locator;
+
+ rgw_obj obj(bucket, key);
+
+ get_obj_bucket_and_oid_loc(obj, oid, locator);
+
+ if (locator.empty()) {
+ ldout(cct, 20) << "object does not have a locator, nothing to fix" << dendl;
+ return 0;
+ }
+
+ librados::IoCtx ioctx;
+
+ int ret = get_obj_head_ioctx(bucket_info, obj, &ioctx);
+ if (ret < 0) {
+ cerr << "ERROR: get_obj_head_ioctx() returned ret=" << ret << std::endl;
+ return ret;
+ }
+ ioctx.locator_set_key(string()); /* override locator for this object, use empty locator */
+
+ uint64_t size;
+ bufferlist data;
+
+ struct timespec mtime_ts;
+ map<string, bufferlist> attrs;
+ librados::ObjectReadOperation op;
+ op.getxattrs(&attrs, NULL);
+ op.stat2(&size, &mtime_ts, NULL);
+#define HEAD_SIZE 512 * 1024
+ op.read(0, HEAD_SIZE, &data, NULL);
+
+ ret = ioctx.operate(oid, &op, NULL);
+ if (ret < 0) {
+ lderr(cct) << "ERROR: ioctx.operate(oid=" << oid << ") returned ret=" << ret << dendl;
+ return ret;
+ }
+
+ if (size > HEAD_SIZE) {
+ lderr(cct) << "ERROR: returned object size (" << size << ") > HEAD_SIZE (" << HEAD_SIZE << ")" << dendl;
+ return -EIO;
+ }
+
+ if (size != data.length()) {
+ lderr(cct) << "ERROR: returned object size (" << size << ") != data.length() (" << data.length() << ")" << dendl;
+ return -EIO;
+ }
+
+ if (copy_obj) {
+ librados::ObjectWriteOperation wop;
+
+ wop.mtime2(&mtime_ts);
+
+ map<string, bufferlist>::iterator iter;
+ for (iter = attrs.begin(); iter != attrs.end(); ++iter) {
+ wop.setxattr(iter->first.c_str(), iter->second);
+ }
+
+ wop.write(0, data);
+
+ ioctx.locator_set_key(locator);
+ ioctx.operate(oid, &wop);
+ }
+
+ if (remove_bad) {
+ ioctx.locator_set_key(string());
+
+ ret = ioctx.remove(oid);
+ if (ret < 0) {
+ lderr(cct) << "ERROR: failed to remove original bad object" << dendl;
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+int RGWRados::move_rados_obj(librados::IoCtx& src_ioctx,
+ const string& src_oid, const string& src_locator,
+ librados::IoCtx& dst_ioctx,
+ const string& dst_oid, const string& dst_locator)
+{
+
+#define COPY_BUF_SIZE (4 * 1024 * 1024)
+ bool done = false;
+ uint64_t chunk_size = COPY_BUF_SIZE;
+ uint64_t ofs = 0;
+ int ret = 0;
+ real_time mtime;
+ struct timespec mtime_ts;
+ uint64_t size;
+
+ if (src_oid == dst_oid && src_locator == dst_locator) {
+ return 0;
+ }
+
+ src_ioctx.locator_set_key(src_locator);
+ dst_ioctx.locator_set_key(dst_locator);
+
+ do {
+ bufferlist data;
+ ObjectReadOperation rop;
+ ObjectWriteOperation wop;
+
+ if (ofs == 0) {
+ rop.stat2(&size, &mtime_ts, NULL);
+ mtime = real_clock::from_timespec(mtime_ts);
+ }
+ rop.read(ofs, chunk_size, &data, NULL);
+ ret = src_ioctx.operate(src_oid, &rop, NULL);
+ if (ret < 0) {
+ goto done_err;
+ }
+
+ if (data.length() == 0) {
+ break;
+ }
+
+ if (ofs == 0) {
+ wop.create(true); /* make it exclusive */
+ wop.mtime2(&mtime_ts);
+ mtime = real_clock::from_timespec(mtime_ts);
+ }
+ wop.write(ofs, data);
+ ret = dst_ioctx.operate(dst_oid, &wop);
+ ofs += data.length();
+ done = data.length() != chunk_size;
+ } while (!done);
+
+ if (ofs != size) {
+ lderr(cct) << "ERROR: " << __func__ << ": copying " << src_oid << " -> " << dst_oid
+ << ": expected " << size << " bytes to copy, ended up with " << ofs << dendl;
+ ret = -EIO;
+ goto done_err;
+ }
+
+ src_ioctx.remove(src_oid);
+
+ return 0;
+
+done_err:
+ lderr(cct) << "ERROR: failed to copy " << src_oid << " -> " << dst_oid << dendl;
+ return ret;
+}
+
+/*
+ * fixes an issue where head objects were supposed to have a locator created, but ended
+ * up without one
+ */
+int RGWRados::fix_tail_obj_locator(const RGWBucketInfo& bucket_info, rgw_obj_key& key, bool fix, bool *need_fix)
+{
+ const rgw_bucket& bucket = bucket_info.bucket;
+ rgw_obj obj(bucket, key);
+
+ if (need_fix) {
+ *need_fix = false;
+ }
+
+ rgw_rados_ref ref;
+ int r = get_obj_head_ref(bucket_info, obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ RGWObjState *astate = NULL;
+ RGWObjectCtx rctx(this);
+ r = get_obj_state(&rctx, bucket_info, obj, &astate, false);
+ if (r < 0)
+ return r;
+
+ if (astate->has_manifest) {
+ RGWObjManifest::obj_iterator miter;
+ RGWObjManifest& manifest = astate->manifest;
+ for (miter = manifest.obj_begin(); miter != manifest.obj_end(); ++miter) {
+ rgw_raw_obj raw_loc = miter.get_location().get_raw_obj(this);
+ rgw_obj loc;
+ string oid;
+ string locator;
+
+ rgw_raw_obj_to_obj(manifest.get_tail_placement().bucket, raw_loc, &loc);
+
+ if (loc.key.ns.empty()) {
+ /* continue, we're only interested in tail objects */
+ continue;
+ }
+
+ get_obj_bucket_and_oid_loc(loc, oid, locator);
+ ref.ioctx.locator_set_key(locator);
+
+ ldout(cct, 20) << __func__ << ": key=" << key << " oid=" << oid << " locator=" << locator << dendl;
+
+ r = ref.ioctx.stat(oid, NULL, NULL);
+ if (r != -ENOENT) {
+ continue;
+ }
+
+ string bad_loc;
+ prepend_bucket_marker(bucket, loc.key.name, bad_loc);
+
+ /* create a new ioctx with the bad locator */
+ librados::IoCtx src_ioctx;
+ src_ioctx.dup(ref.ioctx);
+ src_ioctx.locator_set_key(bad_loc);
+
+ r = src_ioctx.stat(oid, NULL, NULL);
+ if (r != 0) {
+ /* cannot find a broken part */
+ continue;
+ }
+ ldout(cct, 20) << __func__ << ": found bad object part: " << loc << dendl;
+ if (need_fix) {
+ *need_fix = true;
+ }
+ if (fix) {
+ r = move_rados_obj(src_ioctx, oid, bad_loc, ref.ioctx, oid, locator);
+ if (r < 0) {
+ lderr(cct) << "ERROR: copy_rados_obj() on oid=" << oid << " returned r=" << r << dendl;
+ }
+ }
+ }
+ }
+
+ return 0;
+}
+
+int RGWRados::BucketShard::init(const rgw_bucket& _bucket, const rgw_obj& obj)
+{
+ bucket = _bucket;
+
+ RGWObjectCtx obj_ctx(store);
+
+ RGWBucketInfo bucket_info;
+ int ret = store->get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, NULL);
+ if (ret < 0) {
+ return ret;
+ }
+
+ ret = store->open_bucket_index_shard(bucket_info, index_ctx, obj.get_hash_object(), &bucket_obj, &shard_id);
+ if (ret < 0) {
+ ldout(store->ctx(), 0) << "ERROR: open_bucket_index_shard() returned ret=" << ret << dendl;
+ return ret;
+ }
+ ldout(store->ctx(), 20) << " bucket index object: " << bucket_obj << dendl;
+
+ return 0;
+}
+
+int RGWRados::BucketShard::init(const rgw_bucket& _bucket, int sid)
+{
+ bucket = _bucket;
+ shard_id = sid;
+
+ RGWObjectCtx obj_ctx(store);
+
+ RGWBucketInfo bucket_info;
+ int ret = store->get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, NULL);
+ if (ret < 0) {
+ return ret;
+ }
+
+ ret = store->open_bucket_index_shard(bucket_info, index_ctx, shard_id, &bucket_obj);
+ if (ret < 0) {
+ ldout(store->ctx(), 0) << "ERROR: open_bucket_index_shard() returned ret=" << ret << dendl;
+ return ret;
+ }
+ ldout(store->ctx(), 20) << " bucket index object: " << bucket_obj << dendl;
+
+ return 0;
+}
+
+
+/* Execute @handler on last item in bucket listing for bucket specified
+ * in @bucket_info. @obj_prefix and @obj_delim narrow down the listing
+ * to objects matching these criterias. */
+int RGWRados::on_last_entry_in_listing(RGWBucketInfo& bucket_info,
+ const std::string& obj_prefix,
+ const std::string& obj_delim,
+ std::function<int(const rgw_bucket_dir_entry&)> handler)
+{
+ RGWRados::Bucket target(this, bucket_info);
+ RGWRados::Bucket::List list_op(&target);
+
+ list_op.params.prefix = obj_prefix;
+ list_op.params.delim = obj_delim;
+
+ ldout(cct, 20) << "iterating listing for bucket=" << bucket_info.bucket.name
+ << ", obj_prefix=" << obj_prefix
+ << ", obj_delim=" << obj_delim
+ << dendl;
+
+ bool is_truncated = false;
+
+ boost::optional<rgw_bucket_dir_entry> last_entry;
+ /* We need to rewind to the last object in a listing. */
+ do {
+ /* List bucket entries in chunks. */
+ static constexpr int MAX_LIST_OBJS = 100;
+ std::vector<rgw_bucket_dir_entry> entries(MAX_LIST_OBJS);
+
+ int ret = list_op.list_objects(MAX_LIST_OBJS, &entries, nullptr,
+ &is_truncated);
+ if (ret < 0) {
+ return ret;
+ } else if (!entries.empty()) {
+ last_entry = entries.back();
+ }
+ } while (is_truncated);
+
+ if (last_entry) {
+ return handler(*last_entry);
+ }
+
+ /* Empty listing - no items we can run handler on. */
+ return 0;
+}
+
+
+int RGWRados::swift_versioning_copy(RGWObjectCtx& obj_ctx,
+ const rgw_user& user,
+ RGWBucketInfo& bucket_info,
+ rgw_obj& obj)
+{
+ if (! swift_versioning_enabled(bucket_info)) {
+ return 0;
+ }
+
+ obj_ctx.obj.set_atomic(obj);
+
+ RGWObjState * state = nullptr;
+ int r = get_obj_state(&obj_ctx, bucket_info, obj, &state, false);
+ if (r < 0) {
+ return r;
+ }
+
+ if (!state->exists) {
+ return 0;
+ }
+
+ string client_id;
+ string op_id;
+
+ const string& src_name = obj.get_oid();
+ char buf[src_name.size() + 32];
+ struct timespec ts = ceph::real_clock::to_timespec(state->mtime);
+ snprintf(buf, sizeof(buf), "%03x%s/%lld.%06ld", (int)src_name.size(),
+ src_name.c_str(), (long long)ts.tv_sec, ts.tv_nsec / 1000);
+
+ RGWBucketInfo dest_bucket_info;
+
+ r = get_bucket_info(obj_ctx, bucket_info.bucket.tenant, bucket_info.swift_ver_location, dest_bucket_info, NULL, NULL);
+ if (r < 0) {
+ ldout(cct, 10) << "failed to read dest bucket info: r=" << r << dendl;
+ if (r == -ENOENT) {
+ return -ERR_PRECONDITION_FAILED;
+ }
+ return r;
+ }
+
+ if (dest_bucket_info.owner != bucket_info.owner) {
+ return -ERR_PRECONDITION_FAILED;
+ }
+
+ rgw_obj dest_obj(dest_bucket_info.bucket, buf);
+ obj_ctx.obj.set_atomic(dest_obj);
+
+ string no_zone;
+
+ r = copy_obj(obj_ctx,
+ user,
+ client_id,
+ op_id,
+ NULL, /* req_info *info */
+ no_zone,
+ dest_obj,
+ obj,
+ dest_bucket_info,
+ bucket_info,
+ NULL, /* time_t *src_mtime */
+ NULL, /* time_t *mtime */
+ NULL, /* const time_t *mod_ptr */
+ NULL, /* const time_t *unmod_ptr */
+ false, /* bool high_precision_time */
+ NULL, /* const char *if_match */
+ NULL, /* const char *if_nomatch */
+ RGWRados::ATTRSMOD_NONE,
+ true, /* bool copy_if_newer */
+ state->attrset,
+ RGW_OBJ_CATEGORY_MAIN,
+ 0, /* uint64_t olh_epoch */
+ real_time(), /* time_t delete_at */
+ NULL, /* string *version_id */
+ NULL, /* string *ptag */
+ NULL, /* string *petag */
+ NULL, /* void (*progress_cb)(off_t, void *) */
+ NULL); /* void *progress_data */
+ if (r == -ECANCELED || r == -ENOENT) {
+ /* Has already been overwritten, meaning another rgw process already
+ * copied it out */
+ return 0;
+ }
+
+ return r;
+}
+
+int RGWRados::swift_versioning_restore(RGWObjectCtx& obj_ctx,
+ const rgw_user& user,
+ RGWBucketInfo& bucket_info,
+ rgw_obj& obj,
+ bool& restored) /* out */
+{
+ if (! swift_versioning_enabled(bucket_info)) {
+ return 0;
+ }
+
+ /* Bucket info of the bucket that stores previous versions of our object. */
+ RGWBucketInfo archive_binfo;
+
+ int ret = get_bucket_info(obj_ctx, bucket_info.bucket.tenant,
+ bucket_info.swift_ver_location, archive_binfo,
+ nullptr, nullptr);
+ if (ret < 0) {
+ return ret;
+ }
+
+ /* Abort the operation if the bucket storing our archive belongs to someone
+ * else. This is a limitation in comparison to Swift as we aren't taking ACLs
+ * into consideration. For we can live with that.
+ *
+ * TODO: delegate this check to un upper layer and compare with ACLs. */
+ if (bucket_info.owner != archive_binfo.owner) {
+ return -EPERM;
+ }
+
+ /* This code will be executed on latest version of the object. */
+ const auto handler = [&](const rgw_bucket_dir_entry& entry) -> int {
+ std::string no_client_id;
+ std::string no_op_id;
+ std::string no_zone;
+
+ /* We don't support object versioning of Swift API on those buckets that
+ * are already versioned using the S3 mechanism. This affects also bucket
+ * storing archived objects. Otherwise the delete operation would create
+ * a deletion marker. */
+ if (archive_binfo.versioned()) {
+ restored = false;
+ return -ERR_PRECONDITION_FAILED;
+ }
+
+ /* We are requesting ATTRSMOD_NONE so the attr attribute is perfectly
+ * irrelevant and may be safely skipped. */
+ std::map<std::string, ceph::bufferlist> no_attrs;
+
+ rgw_obj archive_obj(archive_binfo.bucket, entry.key);
+ obj_ctx.obj.set_atomic(archive_obj);
+ obj_ctx.obj.set_atomic(obj);
+
+ int ret = copy_obj(obj_ctx,
+ user,
+ no_client_id,
+ no_op_id,
+ nullptr, /* req_info *info */
+ no_zone,
+ obj, /* dest obj */
+ archive_obj, /* src obj */
+ bucket_info, /* dest bucket info */
+ archive_binfo, /* src bucket info */
+ nullptr, /* time_t *src_mtime */
+ nullptr, /* time_t *mtime */
+ nullptr, /* const time_t *mod_ptr */
+ nullptr, /* const time_t *unmod_ptr */
+ false, /* bool high_precision_time */
+ nullptr, /* const char *if_match */
+ nullptr, /* const char *if_nomatch */
+ RGWRados::ATTRSMOD_NONE,
+ true, /* bool copy_if_newer */
+ no_attrs,
+ RGW_OBJ_CATEGORY_MAIN,
+ 0, /* uint64_t olh_epoch */
+ real_time(), /* time_t delete_at */
+ nullptr, /* string *version_id */
+ nullptr, /* string *ptag */
+ nullptr, /* string *petag */
+ nullptr, /* void (*progress_cb)(off_t, void *) */
+ nullptr); /* void *progress_data */
+ if (ret == -ECANCELED || ret == -ENOENT) {
+ /* Has already been overwritten, meaning another rgw process already
+ * copied it out */
+ return 0;
+ } else if (ret < 0) {
+ return ret;
+ } else {
+ restored = true;
+ }
+
+ /* Need to remove the archived copy. */
+ ret = delete_obj(obj_ctx, archive_binfo, archive_obj,
+ archive_binfo.versioning_status());
+
+ return ret;
+ };
+
+ const std::string& obj_name = obj.get_oid();
+ const auto prefix = boost::str(boost::format("%03x%s") % obj_name.size()
+ % obj_name);
+
+ return on_last_entry_in_listing(archive_binfo, prefix, std::string(),
+ handler);
+}
+
+/**
+ * Write/overwrite an object to the bucket storage.
+ * bucket: the bucket to store the object in
+ * obj: the object name/key
+ * data: the object contents/value
+ * size: the amount of data to write (data must be this long)
+ * accounted_size: original size of data before compression, encryption
+ * mtime: if non-NULL, writes the given mtime to the bucket storage
+ * attrs: all the given attrs are written to bucket storage for the given object
+ * exclusive: create object exclusively
+ * Returns: 0 on success, -ERR# otherwise.
+ */
+int RGWRados::Object::Write::_do_write_meta(uint64_t size, uint64_t accounted_size,
+ map<string, bufferlist>& attrs,
+ bool assume_noent, bool modify_tail,
+ void *_index_op)
+{
+ RGWRados::Bucket::UpdateIndex *index_op = static_cast<RGWRados::Bucket::UpdateIndex *>(_index_op);
+ RGWRados *store = target->get_store();
+
+ ObjectWriteOperation op;
+
+ RGWObjState *state;
+ int r = target->get_state(&state, false, assume_noent);
+ if (r < 0)
+ return r;
+
+ rgw_obj& obj = target->get_obj();
+
+ if (obj.get_oid().empty()) {
+ ldout(store->ctx(), 0) << "ERROR: " << __func__ << "(): cannot write object with empty name" << dendl;
+ return -EIO;
+ }
+
+ rgw_rados_ref ref;
+ r = store->get_obj_head_ref(target->get_bucket_info(), obj, &ref);
+ if (r < 0)
+ return r;
+
+ bool is_olh = state->is_olh;
+
+ bool reset_obj = (meta.flags & PUT_OBJ_CREATE) != 0;
+
+ const string *ptag = meta.ptag;
+ if (!ptag && !index_op->get_optag()->empty()) {
+ ptag = index_op->get_optag();
+ }
+ r = target->prepare_atomic_modification(op, reset_obj, ptag, meta.if_match, meta.if_nomatch, false, modify_tail);
+ if (r < 0)
+ return r;
+
+ if (real_clock::is_zero(meta.set_mtime)) {
+ meta.set_mtime = real_clock::now();
+ }
+
+ if (state->is_olh) {
+ op.setxattr(RGW_ATTR_OLH_ID_TAG, state->olh_tag);
+ }
+
+ struct timespec mtime_ts = real_clock::to_timespec(meta.set_mtime);
+ op.mtime2(&mtime_ts);
+
+ if (meta.data) {
+ /* if we want to overwrite the data, we also want to overwrite the
+ xattrs, so just remove the object */
+ op.write_full(*meta.data);
+ }
+
+ string etag;
+ string content_type;
+ bufferlist acl_bl;
+
+ map<string, bufferlist>::iterator iter;
+ if (meta.rmattrs) {
+ for (iter = meta.rmattrs->begin(); iter != meta.rmattrs->end(); ++iter) {
+ const string& name = iter->first;
+ op.rmxattr(name.c_str());
+ }
+ }
+
+ if (meta.manifest) {
+ /* remove existing manifest attr */
+ iter = attrs.find(RGW_ATTR_MANIFEST);
+ if (iter != attrs.end())
+ attrs.erase(iter);
+
+ bufferlist bl;
+ ::encode(*meta.manifest, bl);
+ op.setxattr(RGW_ATTR_MANIFEST, bl);
+ }
+
+ for (iter = attrs.begin(); iter != attrs.end(); ++iter) {
+ const string& name = iter->first;
+ bufferlist& bl = iter->second;
+
+ if (!bl.length())
+ continue;
+
+ op.setxattr(name.c_str(), bl);
+
+ if (name.compare(RGW_ATTR_ETAG) == 0) {
+ etag = bl.c_str();
+ } else if (name.compare(RGW_ATTR_CONTENT_TYPE) == 0) {
+ content_type = bl.c_str();
+ } else if (name.compare(RGW_ATTR_ACL) == 0) {
+ acl_bl = bl;
+ }
+ }
+ if (attrs.find(RGW_ATTR_PG_VER) == attrs.end()) {
+ cls_rgw_obj_store_pg_ver(op, RGW_ATTR_PG_VER);
+ }
+
+ if (attrs.find(RGW_ATTR_SOURCE_ZONE) == attrs.end()) {
+ bufferlist bl;
+ ::encode(store->get_zone_short_id(), bl);
+ op.setxattr(RGW_ATTR_SOURCE_ZONE, bl);
+ }
+
+ if (!op.size())
+ return 0;
+
+ uint64_t epoch;
+ int64_t poolid;
+ bool orig_exists;
+ uint64_t orig_size;
+
+ if (!reset_obj) { //Multipart upload, it has immutable head.
+ orig_exists = false;
+ orig_size = 0;
+ } else {
+ orig_exists = state->exists;
+ orig_size = state->accounted_size;
+ }
+
+ bool versioned_target = (meta.olh_epoch > 0 || !obj.key.instance.empty());
+
+ bool versioned_op = (target->versioning_enabled() || is_olh || versioned_target);
+
+ if (versioned_op) {
+ index_op->set_bilog_flags(RGW_BILOG_FLAG_VERSIONED_OP);
+ }
+
+ if (!index_op->is_prepared()) {
+ r = index_op->prepare(CLS_RGW_OP_ADD, &state->write_tag);
+ if (r < 0)
+ return r;
+ }
+
+ r = ref.ioctx.operate(ref.oid, &op);
+ if (r < 0) { /* we can expect to get -ECANCELED if object was replaced under,
+ or -ENOENT if was removed, or -EEXIST if it did not exist
+ before and now it does */
+ if (r == -EEXIST && assume_noent) {
+ target->invalidate_state();
+ return r;
+ }
+ goto done_cancel;
+ }
+
+ epoch = ref.ioctx.get_last_version();
+ poolid = ref.ioctx.get_id();
+
+ r = target->complete_atomic_modification();
+ if (r < 0) {
+ ldout(store->ctx(), 0) << "ERROR: complete_atomic_modification returned r=" << r << dendl;
+ }
+
+ r = index_op->complete(poolid, epoch, size, accounted_size,
+ meta.set_mtime, etag, content_type, &acl_bl,
+ meta.category, meta.remove_objs, meta.user_data);
+ if (r < 0)
+ goto done_cancel;
+
+ if (meta.mtime) {
+ *meta.mtime = meta.set_mtime;
+ }
+
+ /* note that index_op was using state so we couldn't invalidate it earlier */
+ target->invalidate_state();
+ state = NULL;
+
+ if (versioned_op) {
+ r = store->set_olh(target->get_ctx(), target->get_bucket_info(), obj, false, NULL, meta.olh_epoch, real_time(), false, meta.zones_trace);
+ if (r < 0) {
+ return r;
+ }
+ }
+
+ if (!real_clock::is_zero(meta.delete_at)) {
+ rgw_obj_index_key obj_key;
+ obj.key.get_index_key(&obj_key);
+
+ r = store->objexp_hint_add(meta.delete_at,
+ obj.bucket.tenant, obj.bucket.name, obj.bucket.bucket_id, obj_key);
+ if (r < 0) {
+ ldout(store->ctx(), 0) << "ERROR: objexp_hint_add() returned r=" << r << ", object will not get removed" << dendl;
+ /* ignoring error, nothing we can do at this point */
+ }
+ }
+ meta.canceled = false;
+
+ /* update quota cache */
+ if (meta.completeMultipart){
+ store->quota_handler->update_stats(meta.owner, obj.bucket, (orig_exists ? 0 : 1),
+ 0, orig_size);
+ }
+ else {
+ store->quota_handler->update_stats(meta.owner, obj.bucket, (orig_exists ? 0 : 1),
+ accounted_size, orig_size);
+ }
+ return 0;
+
+done_cancel:
+ int ret = index_op->cancel();
+ if (ret < 0) {
+ ldout(store->ctx(), 0) << "ERROR: index_op.cancel()() returned ret=" << ret << dendl;
+ }
+
+ meta.canceled = true;
+
+ /* we lost in a race. There are a few options:
+ * - existing object was rewritten (ECANCELED)
+ * - non existing object was created (EEXIST)
+ * - object was removed (ENOENT)
+ * should treat it as a success
+ */
+ if (meta.if_match == NULL && meta.if_nomatch == NULL) {
+ if (r == -ECANCELED || r == -ENOENT || r == -EEXIST) {
+ r = 0;
+ }
+ } else {
+ if (meta.if_match != NULL) {
+ // only overwrite existing object
+ if (strcmp(meta.if_match, "*") == 0) {
+ if (r == -ENOENT) {
+ r = -ERR_PRECONDITION_FAILED;
+ } else if (r == -ECANCELED) {
+ r = 0;
+ }
+ }
+ }
+
+ if (meta.if_nomatch != NULL) {
+ // only create a new object
+ if (strcmp(meta.if_nomatch, "*") == 0) {
+ if (r == -EEXIST) {
+ r = -ERR_PRECONDITION_FAILED;
+ } else if (r == -ENOENT) {
+ r = 0;
+ }
+ }
+ }
+ }
+
+ return r;
+}
+
+int RGWRados::Object::Write::write_meta(uint64_t size, uint64_t accounted_size,
+ map<string, bufferlist>& attrs)
+{
+ RGWBucketInfo& bucket_info = target->get_bucket_info();
+
+ RGWRados::Bucket bop(target->get_store(), bucket_info);
+ RGWRados::Bucket::UpdateIndex index_op(&bop, target->get_obj());
+ index_op.set_zones_trace(meta.zones_trace);
+
+ bool assume_noent = (meta.if_match == NULL && meta.if_nomatch == NULL);
+ int r;
+ if (assume_noent) {
+ r = _do_write_meta(size, accounted_size, attrs, assume_noent, meta.modify_tail, (void *)&index_op);
+ if (r == -EEXIST) {
+ assume_noent = false;
+ }
+ }
+ if (!assume_noent) {
+ r = _do_write_meta(size, accounted_size, attrs, assume_noent, meta.modify_tail, (void *)&index_op);
+ }
+ return r;
+}
+
+/** Write/overwrite a system object. */
+int RGWRados::put_system_obj_impl(rgw_raw_obj& obj, uint64_t size, real_time *mtime,
+ map<std::string, bufferlist>& attrs, int flags,
+ bufferlist& data,
+ RGWObjVersionTracker *objv_tracker,
+ real_time set_mtime /* 0 for don't set */)
+{
+ rgw_rados_ref ref;
+ int r = get_system_obj_ref(obj, &ref);
+ if (r < 0)
+ return r;
+
+ ObjectWriteOperation op;
+
+ if (flags & PUT_OBJ_EXCL) {
+ if (!(flags & PUT_OBJ_CREATE))
+ return -EINVAL;
+ op.create(true); // exclusive create
+ } else {
+ op.remove();
+ op.set_op_flags2(LIBRADOS_OP_FLAG_FAILOK);
+ op.create(false);
+ }
+
+ if (objv_tracker) {
+ objv_tracker->prepare_op_for_write(&op);
+ }
+
+ if (real_clock::is_zero(set_mtime)) {
+ set_mtime = real_clock::now();
+ }
+
+ struct timespec mtime_ts = real_clock::to_timespec(set_mtime);
+ op.mtime2(&mtime_ts);
+ op.write_full(data);
+
+ bufferlist acl_bl;
+
+ for (map<string, bufferlist>::iterator iter = attrs.begin(); iter != attrs.end(); ++iter) {
+ const string& name = iter->first;
+ bufferlist& bl = iter->second;
+
+ if (!bl.length())
+ continue;
+
+ op.setxattr(name.c_str(), bl);
+ }
+
+ r = ref.ioctx.operate(ref.oid, &op);
+ if (r < 0) {
+ return r;
+ }
+
+ if (objv_tracker) {
+ objv_tracker->apply_write();
+ }
+
+ if (mtime) {
+ *mtime = set_mtime;
+ }
+
+ return 0;
+}
+
+int RGWRados::put_system_obj_data(void *ctx, rgw_raw_obj& obj, bufferlist& bl,
+ off_t ofs, bool exclusive,
+ RGWObjVersionTracker *objv_tracker)
+{
+ rgw_rados_ref ref;
+ int r = get_system_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ ObjectWriteOperation op;
+
+ if (exclusive)
+ op.create(true);
+
+ if (objv_tracker) {
+ objv_tracker->prepare_op_for_write(&op);
+ }
+ if (ofs == -1) {
+ op.write_full(bl);
+ } else {
+ op.write(ofs, bl);
+ }
+ r = ref.ioctx.operate(ref.oid, &op);
+ if (r < 0)
+ return r;
+
+ if (objv_tracker) {
+ objv_tracker->apply_write();
+ }
+ return 0;
+}
+
+/**
+ * Write/overwrite an object to the bucket storage.
+ * bucket: the bucket to store the object in
+ * obj: the object name/key
+ * data: the object contents/value
+ * offset: the offet to write to in the object
+ * If this is -1, we will overwrite the whole object.
+ * size: the amount of data to write (data must be this long)
+ * attrs: all the given attrs are written to bucket storage for the given object
+ * Returns: 0 on success, -ERR# otherwise.
+ */
+
+int RGWRados::aio_put_obj_data(void *ctx, rgw_raw_obj& obj, bufferlist& bl,
+ off_t ofs, bool exclusive,
+ void **handle)
+{
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL);
+ *handle = c;
+
+ ObjectWriteOperation op;
+
+ if (exclusive)
+ op.create(true);
+
+ if (ofs == -1) {
+ op.write_full(bl);
+ } else {
+ op.write(ofs, bl);
+ }
+ r = ref.ioctx.aio_operate(ref.oid, c, &op);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+int RGWRados::aio_wait(void *handle)
+{
+ AioCompletion *c = (AioCompletion *)handle;
+ c->wait_for_safe();
+ int ret = c->get_return_value();
+ c->release();
+ return ret;
+}
+
+bool RGWRados::aio_completed(void *handle)
+{
+ AioCompletion *c = (AioCompletion *)handle;
+ return c->is_safe();
+}
+
+class RGWRadosPutObj : public RGWGetDataCB
+{
+ CephContext* cct;
+ rgw_obj obj;
+ RGWPutObjDataProcessor *filter;
+ boost::optional<RGWPutObj_Compress>& compressor;
+ CompressorRef& plugin;
+ RGWPutObjProcessor_Atomic *processor;
+ RGWOpStateSingleOp *opstate;
+ void (*progress_cb)(off_t, void *);
+ void *progress_data;
+ bufferlist extra_data_bl;
+ uint64_t extra_data_len;
+ uint64_t data_len;
+ map<string, bufferlist> src_attrs;
+public:
+ RGWRadosPutObj(CephContext* cct,
+ CompressorRef& plugin,
+ boost::optional<RGWPutObj_Compress>& compressor,
+ RGWPutObjProcessor_Atomic *p,
+ RGWOpStateSingleOp *_ops,
+ void (*_progress_cb)(off_t, void *),
+ void *_progress_data) :
+ cct(cct),
+ filter(p),
+ compressor(compressor),
+ plugin(plugin),
+ processor(p),
+ opstate(_ops),
+ progress_cb(_progress_cb),
+ progress_data(_progress_data),
+ extra_data_len(0),
+ data_len(0) {}
+
+ int process_attrs(void) {
+ if (extra_data_bl.length()) {
+ JSONParser jp;
+ if (!jp.parse(extra_data_bl.c_str(), extra_data_bl.length())) {
+ ldout(cct, 0) << "failed to parse response extra data. len=" << extra_data_bl.length() << " data=" << extra_data_bl.c_str() << dendl;
+ return -EIO;
+ }
+
+ JSONDecoder::decode_json("attrs", src_attrs, &jp);
+
+ src_attrs.erase(RGW_ATTR_COMPRESSION);
+ src_attrs.erase(RGW_ATTR_MANIFEST); // not interested in original object layout
+ }
+
+ if (plugin && src_attrs.find(RGW_ATTR_CRYPT_MODE) == src_attrs.end()) {
+ //do not compress if object is encrypted
+ compressor = boost::in_place(cct, plugin, filter);
+ filter = &*compressor;
+ }
+ return 0;
+ }
+
+ int handle_data(bufferlist& bl, off_t ofs, off_t len) override {
+ if (progress_cb) {
+ progress_cb(ofs, progress_data);
+ }
+ if (extra_data_len) {
+ size_t extra_len = bl.length();
+ if (extra_len > extra_data_len)
+ extra_len = extra_data_len;
+
+ bufferlist extra;
+ bl.splice(0, extra_len, &extra);
+ extra_data_bl.append(extra);
+
+ extra_data_len -= extra_len;
+ if (extra_data_len == 0) {
+ int res = process_attrs();
+ if (res < 0)
+ return res;
+ }
+ if (bl.length() == 0) {
+ return 0;
+ }
+ }
+ data_len += bl.length();
+ bool again = false;
+
+ bool need_opstate = true;
+
+ do {
+ void *handle = NULL;
+ rgw_raw_obj obj;
+ uint64_t size = bl.length();
+ int ret = filter->handle_data(bl, ofs, &handle, &obj, &again);
+ if (ret < 0)
+ return ret;
+
+ if (need_opstate && opstate) {
+ /* need to update opstate repository with new state. This is ratelimited, so we're not
+ * really doing it every time
+ */
+ ret = opstate->renew_state();
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: RGWRadosPutObj::handle_data(): failed to renew op state ret=" << ret << dendl;
+ int r = filter->throttle_data(handle, obj, size, false);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: RGWRadosPutObj::handle_data(): processor->throttle_data() returned " << r << dendl;
+ }
+ /* could not renew state! might have been marked as cancelled */
+ return ret;
+ }
+ need_opstate = false;
+ }
+
+ ret = filter->throttle_data(handle, obj, size, false);
+ if (ret < 0)
+ return ret;
+ } while (again);
+
+ return 0;
+ }
+
+ bufferlist& get_extra_data() { return extra_data_bl; }
+
+ map<string, bufferlist>& get_attrs() { return src_attrs; }
+
+ void set_extra_data_len(uint64_t len) override {
+ extra_data_len = len;
+ }
+
+ uint64_t get_data_len() {
+ return data_len;
+ }
+
+ int complete(const string& etag, real_time *mtime, real_time set_mtime,
+ map<string, bufferlist>& attrs, real_time delete_at, rgw_zone_set *zones_trace) {
+ return processor->complete(data_len, etag, mtime, set_mtime, attrs, delete_at, NULL, NULL, NULL, zones_trace);
+ }
+
+ bool is_canceled() {
+ return processor->is_canceled();
+ }
+};
+
+/*
+ * prepare attrset depending on attrs_mod.
+ */
+static void set_copy_attrs(map<string, bufferlist>& src_attrs,
+ map<string, bufferlist>& attrs,
+ RGWRados::AttrsMod attrs_mod)
+{
+ switch (attrs_mod) {
+ case RGWRados::ATTRSMOD_NONE:
+ attrs = src_attrs;
+ break;
+ case RGWRados::ATTRSMOD_REPLACE:
+ if (!attrs[RGW_ATTR_ETAG].length()) {
+ attrs[RGW_ATTR_ETAG] = src_attrs[RGW_ATTR_ETAG];
+ }
+ if (!attrs[RGW_ATTR_TAIL_TAG].length()) {
+ auto ttiter = src_attrs.find(RGW_ATTR_TAIL_TAG);
+ if (ttiter != src_attrs.end()) {
+ attrs[RGW_ATTR_TAIL_TAG] = src_attrs[RGW_ATTR_TAIL_TAG];
+ }
+ }
+ break;
+ case RGWRados::ATTRSMOD_MERGE:
+ for (map<string, bufferlist>::iterator it = src_attrs.begin(); it != src_attrs.end(); ++it) {
+ if (attrs.find(it->first) == attrs.end()) {
+ attrs[it->first] = it->second;
+ }
+ }
+ break;
+ }
+}
+
+int RGWRados::rewrite_obj(RGWBucketInfo& dest_bucket_info, rgw_obj& obj)
+{
+ map<string, bufferlist> attrset;
+
+ real_time mtime;
+ uint64_t obj_size;
+ RGWObjectCtx rctx(this);
+
+ RGWRados::Object op_target(this, dest_bucket_info, rctx, obj);
+ RGWRados::Object::Read read_op(&op_target);
+
+ read_op.params.attrs = &attrset;
+ read_op.params.lastmod = &mtime;
+ read_op.params.obj_size = &obj_size;
+
+ int ret = read_op.prepare();
+ if (ret < 0)
+ return ret;
+
+ attrset.erase(RGW_ATTR_ID_TAG);
+ attrset.erase(RGW_ATTR_TAIL_TAG);
+
+ uint64_t max_chunk_size;
+
+ ret = get_max_chunk_size(dest_bucket_info.placement_rule, obj, &max_chunk_size);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: failed to get max_chunk_size() for bucket " << obj.bucket << dendl;
+ return ret;
+ }
+
+ return copy_obj_data(rctx, dest_bucket_info, read_op, obj_size - 1, obj, obj, max_chunk_size, NULL, mtime, attrset,
+ RGW_OBJ_CATEGORY_MAIN, 0, real_time(), NULL, NULL, NULL);
+}
+
+struct obj_time_weight {
+ real_time mtime;
+ uint32_t zone_short_id;
+ uint64_t pg_ver;
+ bool high_precision;
+
+ obj_time_weight() : zone_short_id(0), pg_ver(0), high_precision(false) {}
+
+ bool compare_low_precision(const obj_time_weight& rhs) {
+ struct timespec l = ceph::real_clock::to_timespec(mtime);
+ struct timespec r = ceph::real_clock::to_timespec(rhs.mtime);
+ l.tv_nsec = 0;
+ r.tv_nsec = 0;
+ if (l > r) {
+ return false;
+ }
+ if (l < r) {
+ return true;
+ }
+ if (zone_short_id != rhs.zone_short_id) {
+ return (zone_short_id < rhs.zone_short_id);
+ }
+ return (pg_ver < rhs.pg_ver);
+
+ }
+
+ bool operator<(const obj_time_weight& rhs) {
+ if (!high_precision || !rhs.high_precision) {
+ return compare_low_precision(rhs);
+ }
+ if (mtime > rhs.mtime) {
+ return false;
+ }
+ if (mtime < rhs.mtime) {
+ return true;
+ }
+ if (zone_short_id != rhs.zone_short_id) {
+ return (zone_short_id < rhs.zone_short_id);
+ }
+ return (pg_ver < rhs.pg_ver);
+ }
+
+ void init(const real_time& _mtime, uint32_t _short_id, uint64_t _pg_ver) {
+ mtime = _mtime;
+ zone_short_id = _short_id;
+ pg_ver = _pg_ver;
+ }
+
+ void init(RGWObjState *state) {
+ mtime = state->mtime;
+ zone_short_id = state->zone_short_id;
+ pg_ver = state->pg_ver;
+ }
+};
+
+inline ostream& operator<<(ostream& out, const obj_time_weight &o) {
+ out << o.mtime;
+
+ if (o.zone_short_id != 0 || o.pg_ver != 0) {
+ out << "[zid=" << o.zone_short_id << ", pgv=" << o.pg_ver << "]";
+ }
+
+ return out;
+}
+
+class RGWGetExtraDataCB : public RGWGetDataCB {
+ bufferlist extra_data;
+public:
+ RGWGetExtraDataCB() {}
+ int handle_data(bufferlist& bl, off_t bl_ofs, off_t bl_len) override {
+ if (extra_data.length() < extra_data_len) {
+ off_t max = extra_data_len - extra_data.length();
+ if (max > bl_len) {
+ max = bl_len;
+ }
+ bl.splice(0, max, &extra_data);
+ }
+ return bl_len;
+ }
+
+ bufferlist& get_extra_data() {
+ return extra_data;
+ }
+};
+
+int RGWRados::stat_remote_obj(RGWObjectCtx& obj_ctx,
+ const rgw_user& user_id,
+ const string& client_id,
+ req_info *info,
+ const string& source_zone,
+ rgw_obj& src_obj,
+ RGWBucketInfo& src_bucket_info,
+ real_time *src_mtime,
+ uint64_t *psize,
+ const real_time *mod_ptr,
+ const real_time *unmod_ptr,
+ bool high_precision_time,
+ const char *if_match,
+ const char *if_nomatch,
+ map<string, bufferlist> *pattrs,
+ string *version_id,
+ string *ptag,
+ string *petag)
+{
+ /* source is in a different zonegroup, copy from there */
+
+ RGWRESTStreamRWRequest *in_stream_req;
+ string tag;
+ map<string, bufferlist> src_attrs;
+ append_rand_alpha(cct, tag, tag, 32);
+ obj_time_weight set_mtime_weight;
+ set_mtime_weight.high_precision = high_precision_time;
+
+ RGWRESTConn *conn;
+ if (source_zone.empty()) {
+ if (src_bucket_info.zonegroup.empty()) {
+ /* source is in the master zonegroup */
+ conn = rest_master_conn;
+ } else {
+ map<string, RGWRESTConn *>::iterator iter = zonegroup_conn_map.find(src_bucket_info.zonegroup);
+ if (iter == zonegroup_conn_map.end()) {
+ ldout(cct, 0) << "could not find zonegroup connection to zonegroup: " << source_zone << dendl;
+ return -ENOENT;
+ }
+ conn = iter->second;
+ }
+ } else {
+ map<string, RGWRESTConn *>::iterator iter = zone_conn_map.find(source_zone);
+ if (iter == zone_conn_map.end()) {
+ ldout(cct, 0) << "could not find zone connection to zone: " << source_zone << dendl;
+ return -ENOENT;
+ }
+ conn = iter->second;
+ }
+
+ RGWGetExtraDataCB cb;
+ string etag;
+ map<string, string> req_headers;
+ real_time set_mtime;
+
+ const real_time *pmod = mod_ptr;
+
+ obj_time_weight dest_mtime_weight;
+
+ constexpr bool prepend_meta = true;
+ constexpr bool get_op = true;
+ constexpr bool rgwx_stat = true;
+ constexpr bool sync_manifest = true;
+ constexpr bool skip_decrypt = true;
+ int ret = conn->get_obj(user_id, info, src_obj, pmod, unmod_ptr,
+ dest_mtime_weight.zone_short_id, dest_mtime_weight.pg_ver,
+ prepend_meta, get_op, rgwx_stat,
+ sync_manifest, skip_decrypt, &cb, &in_stream_req);
+ if (ret < 0) {
+ return ret;
+ }
+
+ ret = conn->complete_request(in_stream_req, etag, &set_mtime, psize, req_headers);
+ if (ret < 0) {
+ return ret;
+ }
+
+ bufferlist& extra_data_bl = cb.get_extra_data();
+ if (extra_data_bl.length()) {
+ JSONParser jp;
+ if (!jp.parse(extra_data_bl.c_str(), extra_data_bl.length())) {
+ ldout(cct, 0) << "failed to parse response extra data. len=" << extra_data_bl.length() << " data=" << extra_data_bl.c_str() << dendl;
+ return -EIO;
+ }
+
+ JSONDecoder::decode_json("attrs", src_attrs, &jp);
+
+ src_attrs.erase(RGW_ATTR_MANIFEST); // not interested in original object layout
+ }
+
+ if (src_mtime) {
+ *src_mtime = set_mtime;
+ }
+
+ if (petag) {
+ map<string, bufferlist>::iterator iter = src_attrs.find(RGW_ATTR_ETAG);
+ if (iter != src_attrs.end()) {
+ bufferlist& etagbl = iter->second;
+ *petag = etagbl.to_str();
+ }
+ }
+
+ if (pattrs) {
+ *pattrs = src_attrs;
+ }
+
+ return 0;
+}
+
+int RGWRados::fetch_remote_obj(RGWObjectCtx& obj_ctx,
+ const rgw_user& user_id,
+ const string& client_id,
+ const string& op_id,
+ bool record_op_state,
+ req_info *info,
+ const string& source_zone,
+ rgw_obj& dest_obj,
+ rgw_obj& src_obj,
+ RGWBucketInfo& dest_bucket_info,
+ RGWBucketInfo& src_bucket_info,
+ real_time *src_mtime,
+ real_time *mtime,
+ const real_time *mod_ptr,
+ const real_time *unmod_ptr,
+ bool high_precision_time,
+ const char *if_match,
+ const char *if_nomatch,
+ AttrsMod attrs_mod,
+ bool copy_if_newer,
+ map<string, bufferlist>& attrs,
+ RGWObjCategory category,
+ uint64_t olh_epoch,
+ real_time delete_at,
+ string *version_id,
+ string *ptag,
+ ceph::buffer::list *petag,
+ void (*progress_cb)(off_t, void *),
+ void *progress_data,
+ rgw_zone_set *zones_trace)
+{
+ /* source is in a different zonegroup, copy from there */
+
+ RGWRESTStreamRWRequest *in_stream_req;
+ string tag;
+ int i;
+ append_rand_alpha(cct, tag, tag, 32);
+ obj_time_weight set_mtime_weight;
+ set_mtime_weight.high_precision = high_precision_time;
+
+ RGWPutObjProcessor_Atomic processor(obj_ctx,
+ dest_bucket_info, dest_obj.bucket, dest_obj.key.name,
+ cct->_conf->rgw_obj_stripe_size, tag, dest_bucket_info.versioning_enabled());
+ if (version_id && *version_id != "null") {
+ processor.set_version_id(*version_id);
+ }
+ processor.set_olh_epoch(olh_epoch);
+ int ret = processor.prepare(this, NULL);
+ if (ret < 0) {
+ return ret;
+ }
+
+ RGWRESTConn *conn;
+ if (source_zone.empty()) {
+ if (dest_bucket_info.zonegroup.empty()) {
+ /* source is in the master zonegroup */
+ conn = rest_master_conn;
+ } else {
+ map<string, RGWRESTConn *>::iterator iter = zonegroup_conn_map.find(src_bucket_info.zonegroup);
+ if (iter == zonegroup_conn_map.end()) {
+ ldout(cct, 0) << "could not find zonegroup connection to zonegroup: " << source_zone << dendl;
+ return -ENOENT;
+ }
+ conn = iter->second;
+ }
+ } else {
+ map<string, RGWRESTConn *>::iterator iter = zone_conn_map.find(source_zone);
+ if (iter == zone_conn_map.end()) {
+ ldout(cct, 0) << "could not find zone connection to zone: " << source_zone << dendl;
+ return -ENOENT;
+ }
+ conn = iter->second;
+ }
+
+ string obj_name = dest_obj.bucket.name + "/" + dest_obj.get_oid();
+
+ RGWOpStateSingleOp *opstate = NULL;
+
+ if (record_op_state) {
+ opstate = new RGWOpStateSingleOp(this, client_id, op_id, obj_name);
+
+ ret = opstate->set_state(RGWOpState::OPSTATE_IN_PROGRESS);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: failed to set opstate ret=" << ret << dendl;
+ delete opstate;
+ return ret;
+ }
+ }
+
+ boost::optional<RGWPutObj_Compress> compressor;
+ CompressorRef plugin;
+
+ const auto& compression_type = zone_params.get_compression_type(
+ dest_bucket_info.placement_rule);
+ if (compression_type != "none") {
+ plugin = Compressor::create(cct, compression_type);
+ if (!plugin) {
+ ldout(cct, 1) << "Cannot load plugin for compression type "
+ << compression_type << dendl;
+ }
+ }
+
+ RGWRadosPutObj cb(cct, plugin, compressor, &processor, opstate, progress_cb, progress_data);
+
+ string etag;
+ map<string, string> req_headers;
+ real_time set_mtime;
+
+ RGWObjState *dest_state = NULL;
+
+ const real_time *pmod = mod_ptr;
+
+ obj_time_weight dest_mtime_weight;
+
+ if (copy_if_newer) {
+ /* need to get mtime for destination */
+ ret = get_obj_state(&obj_ctx, dest_bucket_info, dest_obj, &dest_state, false);
+ if (ret < 0)
+ goto set_err_state;
+
+ if (!real_clock::is_zero(dest_state->mtime)) {
+ dest_mtime_weight.init(dest_state);
+ pmod = &dest_mtime_weight.mtime;
+ }
+ }
+
+ static constexpr bool prepend_meta = true;
+ static constexpr bool get_op = true;
+ static constexpr bool rgwx_stat = false;
+ static constexpr bool sync_manifest = true;
+ static constexpr bool skip_decrypt = true;
+ ret = conn->get_obj(user_id, info, src_obj, pmod, unmod_ptr,
+ dest_mtime_weight.zone_short_id, dest_mtime_weight.pg_ver,
+ prepend_meta, get_op, rgwx_stat,
+ sync_manifest, skip_decrypt, &cb, &in_stream_req);
+ if (ret < 0) {
+ goto set_err_state;
+ }
+
+ ret = conn->complete_request(in_stream_req, etag, &set_mtime, nullptr, req_headers);
+ if (ret < 0) {
+ goto set_err_state;
+ }
+ if (compressor && compressor->is_compressed()) {
+ bufferlist tmp;
+ RGWCompressionInfo cs_info;
+ cs_info.compression_type = plugin->get_type_name();
+ cs_info.orig_size = cb.get_data_len();
+ cs_info.blocks = move(compressor->get_compression_blocks());
+ ::encode(cs_info, tmp);
+ cb.get_attrs()[RGW_ATTR_COMPRESSION] = tmp;
+ }
+
+ if (source_zone.empty()) { /* need to preserve expiration if copy in the same zonegroup */
+ cb.get_attrs().erase(RGW_ATTR_DELETE_AT);
+ } else {
+ map<string, bufferlist>::iterator iter = cb.get_attrs().find(RGW_ATTR_DELETE_AT);
+ if (iter != cb.get_attrs().end()) {
+ try {
+ ::decode(delete_at, iter->second);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: failed to decode delete_at field in intra zone copy" << dendl;
+ }
+ }
+ }
+
+ if (src_mtime) {
+ *src_mtime = set_mtime;
+ }
+
+ if (petag) {
+ const auto iter = cb.get_attrs().find(RGW_ATTR_ETAG);
+ if (iter != cb.get_attrs().end()) {
+ *petag = iter->second;
+ }
+ }
+
+ if (source_zone.empty()) {
+ set_copy_attrs(cb.get_attrs(), attrs, attrs_mod);
+ } else {
+ attrs = cb.get_attrs();
+ }
+
+ if (copy_if_newer) {
+ uint64_t pg_ver = 0;
+ auto i = attrs.find(RGW_ATTR_PG_VER);
+ if (i != attrs.end() && i->second.length() > 0) {
+ bufferlist::iterator iter = i->second.begin();
+ try {
+ ::decode(pg_ver, iter);
+ } catch (buffer::error& err) {
+ ldout(ctx(), 0) << "ERROR: failed to decode pg ver attribute, ignoring" << dendl;
+ /* non critical error */
+ }
+ }
+ set_mtime_weight.init(set_mtime, get_zone_short_id(), pg_ver);
+ }
+
+#define MAX_COMPLETE_RETRY 100
+ for (i = 0; i < MAX_COMPLETE_RETRY; i++) {
+ ret = cb.complete(etag, mtime, set_mtime, attrs, delete_at, zones_trace);
+ if (ret < 0) {
+ goto set_err_state;
+ }
+ if (copy_if_newer && cb.is_canceled()) {
+ ldout(cct, 20) << "raced with another write of obj: " << dest_obj << dendl;
+ obj_ctx.obj.invalidate(dest_obj); /* object was overwritten */
+ ret = get_obj_state(&obj_ctx, dest_bucket_info, dest_obj, &dest_state, false);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: " << __func__ << ": get_err_state() returned ret=" << ret << dendl;
+ goto set_err_state;
+ }
+ dest_mtime_weight.init(dest_state);
+ dest_mtime_weight.high_precision = high_precision_time;
+ if (!dest_state->exists ||
+ dest_mtime_weight < set_mtime_weight) {
+ ldout(cct, 20) << "retrying writing object mtime=" << set_mtime << " dest_state->mtime=" << dest_state->mtime << " dest_state->exists=" << dest_state->exists << dendl;
+ continue;
+ } else {
+ ldout(cct, 20) << "not retrying writing object mtime=" << set_mtime << " dest_state->mtime=" << dest_state->mtime << " dest_state->exists=" << dest_state->exists << dendl;
+ }
+ }
+ break;
+ }
+
+ if (i == MAX_COMPLETE_RETRY) {
+ ldout(cct, 0) << "ERROR: retried object completion too many times, something is wrong!" << dendl;
+ ret = -EIO;
+ goto set_err_state;
+ }
+
+ if (opstate) {
+ ret = opstate->set_state(RGWOpState::OPSTATE_COMPLETE);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: failed to set opstate ret=" << ret << dendl;
+ }
+ delete opstate;
+ }
+
+ return 0;
+set_err_state:
+ if (copy_if_newer && ret == -ERR_NOT_MODIFIED) {
+ ret = 0;
+ }
+ if (opstate) {
+ RGWOpState::OpState state;
+ if (ret < 0) {
+ state = RGWOpState::OPSTATE_ERROR;
+ } else {
+ state = RGWOpState::OPSTATE_COMPLETE;
+ }
+ int r = opstate->set_state(state);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: failed to set opstate r=" << ret << dendl;
+ }
+ delete opstate;
+ }
+ return ret;
+}
+
+
+int RGWRados::copy_obj_to_remote_dest(RGWObjState *astate,
+ map<string, bufferlist>& src_attrs,
+ RGWRados::Object::Read& read_op,
+ const rgw_user& user_id,
+ rgw_obj& dest_obj,
+ real_time *mtime)
+{
+ string etag;
+
+ RGWRESTStreamWriteRequest *out_stream_req;
+
+ int ret = rest_master_conn->put_obj_init(user_id, dest_obj, astate->size, src_attrs, &out_stream_req);
+ if (ret < 0) {
+ return ret;
+ }
+
+ ret = read_op.iterate(0, astate->size - 1, out_stream_req->get_out_cb());
+ if (ret < 0) {
+ delete out_stream_req;
+ return ret;
+ }
+
+ ret = rest_master_conn->complete_request(out_stream_req, etag, mtime);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+/**
+ * Copy an object.
+ * dest_obj: the object to copy into
+ * src_obj: the object to copy from
+ * attrs: usage depends on attrs_mod parameter
+ * attrs_mod: the modification mode of the attrs, may have the following values:
+ * ATTRSMOD_NONE - the attributes of the source object will be
+ * copied without modifications, attrs parameter is ignored;
+ * ATTRSMOD_REPLACE - new object will have the attributes provided by attrs
+ * parameter, source object attributes are not copied;
+ * ATTRSMOD_MERGE - any conflicting meta keys on the source object's attributes
+ * are overwritten by values contained in attrs parameter.
+ * err: stores any errors resulting from the get of the original object
+ * Returns: 0 on success, -ERR# otherwise.
+ */
+int RGWRados::copy_obj(RGWObjectCtx& obj_ctx,
+ const rgw_user& user_id,
+ const string& client_id,
+ const string& op_id,
+ req_info *info,
+ const string& source_zone,
+ rgw_obj& dest_obj,
+ rgw_obj& src_obj,
+ RGWBucketInfo& dest_bucket_info,
+ RGWBucketInfo& src_bucket_info,
+ real_time *src_mtime,
+ real_time *mtime,
+ const real_time *mod_ptr,
+ const real_time *unmod_ptr,
+ bool high_precision_time,
+ const char *if_match,
+ const char *if_nomatch,
+ AttrsMod attrs_mod,
+ bool copy_if_newer,
+ map<string, bufferlist>& attrs,
+ RGWObjCategory category,
+ uint64_t olh_epoch,
+ real_time delete_at,
+ string *version_id,
+ string *ptag,
+ ceph::buffer::list *petag,
+ void (*progress_cb)(off_t, void *),
+ void *progress_data)
+{
+ int ret;
+ uint64_t obj_size;
+ rgw_obj shadow_obj = dest_obj;
+ string shadow_oid;
+
+ bool remote_src;
+ bool remote_dest;
+
+ append_rand_alpha(cct, dest_obj.get_oid(), shadow_oid, 32);
+ shadow_obj.init_ns(dest_obj.bucket, shadow_oid, shadow_ns);
+
+ remote_dest = !get_zonegroup().equals(dest_bucket_info.zonegroup);
+ remote_src = !get_zonegroup().equals(src_bucket_info.zonegroup);
+
+ if (remote_src && remote_dest) {
+ ldout(cct, 0) << "ERROR: can't copy object when both src and dest buckets are remote" << dendl;
+ return -EINVAL;
+ }
+
+ ldout(cct, 5) << "Copy object " << src_obj.bucket << ":" << src_obj.get_oid() << " => " << dest_obj.bucket << ":" << dest_obj.get_oid() << dendl;
+
+ if (remote_src || !source_zone.empty()) {
+ return fetch_remote_obj(obj_ctx, user_id, client_id, op_id, true, info, source_zone,
+ dest_obj, src_obj, dest_bucket_info, src_bucket_info, src_mtime, mtime, mod_ptr,
+ unmod_ptr, high_precision_time,
+ if_match, if_nomatch, attrs_mod, copy_if_newer, attrs, category,
+ olh_epoch, delete_at, version_id, ptag, petag, progress_cb, progress_data);
+ }
+
+ map<string, bufferlist> src_attrs;
+ RGWRados::Object src_op_target(this, src_bucket_info, obj_ctx, src_obj);
+ RGWRados::Object::Read read_op(&src_op_target);
+
+ read_op.conds.mod_ptr = mod_ptr;
+ read_op.conds.unmod_ptr = unmod_ptr;
+ read_op.conds.high_precision_time = high_precision_time;
+ read_op.conds.if_match = if_match;
+ read_op.conds.if_nomatch = if_nomatch;
+ read_op.params.attrs = &src_attrs;
+ read_op.params.lastmod = src_mtime;
+ read_op.params.obj_size = &obj_size;
+
+ ret = read_op.prepare();
+ if (ret < 0) {
+ return ret;
+ }
+
+ src_attrs[RGW_ATTR_ACL] = attrs[RGW_ATTR_ACL];
+ src_attrs.erase(RGW_ATTR_DELETE_AT);
+
+ set_copy_attrs(src_attrs, attrs, attrs_mod);
+ attrs.erase(RGW_ATTR_ID_TAG);
+ attrs.erase(RGW_ATTR_PG_VER);
+ attrs.erase(RGW_ATTR_SOURCE_ZONE);
+ map<string, bufferlist>::iterator cmp = src_attrs.find(RGW_ATTR_COMPRESSION);
+ if (cmp != src_attrs.end())
+ attrs[RGW_ATTR_COMPRESSION] = cmp->second;
+
+ RGWObjManifest manifest;
+ RGWObjState *astate = NULL;
+
+ ret = get_obj_state(&obj_ctx, src_bucket_info, src_obj, &astate);
+ if (ret < 0) {
+ return ret;
+ }
+
+ vector<rgw_raw_obj> ref_objs;
+
+ if (remote_dest) {
+ /* dest is in a different zonegroup, copy it there */
+ return copy_obj_to_remote_dest(astate, attrs, read_op, user_id, dest_obj, mtime);
+ }
+ uint64_t max_chunk_size;
+
+ ret = get_max_chunk_size(dest_bucket_info.placement_rule, dest_obj, &max_chunk_size);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: failed to get max_chunk_size() for bucket " << dest_obj.bucket << dendl;
+ return ret;
+ }
+
+ rgw_pool src_pool;
+ rgw_pool dest_pool;
+ if (!get_obj_data_pool(src_bucket_info.placement_rule, src_obj, &src_pool)) {
+ ldout(cct, 0) << "ERROR: failed to locate data pool for " << src_obj << dendl;
+ return -EIO;
+ }
+ if (!get_obj_data_pool(dest_bucket_info.placement_rule, dest_obj, &dest_pool)) {
+ ldout(cct, 0) << "ERROR: failed to locate data pool for " << dest_obj << dendl;
+ return -EIO;
+ }
+
+
+ bool copy_data = !astate->has_manifest || (src_pool != dest_pool);
+ bool copy_first = false;
+ if (astate->has_manifest) {
+ if (!astate->manifest.has_tail()) {
+ copy_data = true;
+ } else {
+ uint64_t head_size = astate->manifest.get_head_size();
+
+ if (head_size > 0) {
+ if (head_size > max_chunk_size) {
+ copy_data = true;
+ } else {
+ copy_first = true;
+ }
+ }
+ }
+ }
+
+ if (petag) {
+ const auto iter = attrs.find(RGW_ATTR_ETAG);
+ if (iter != attrs.end()) {
+ *petag = iter->second;
+ }
+ }
+
+ if (copy_data) { /* refcounting tail wouldn't work here, just copy the data */
+ return copy_obj_data(obj_ctx, dest_bucket_info, read_op, obj_size - 1, dest_obj, src_obj,
+ max_chunk_size, mtime, real_time(), attrs, category, olh_epoch, delete_at,
+ version_id, ptag, petag);
+ }
+
+ RGWObjManifest::obj_iterator miter = astate->manifest.obj_begin();
+
+ if (copy_first) { // we need to copy first chunk, not increase refcount
+ ++miter;
+ }
+
+ rgw_rados_ref ref;
+ ret = get_raw_obj_ref(miter.get_location().get_raw_obj(this), &ref);
+ if (ret < 0) {
+ return ret;
+ }
+
+ bool versioned_dest = dest_bucket_info.versioning_enabled();
+
+ if (version_id && !version_id->empty()) {
+ versioned_dest = true;
+ dest_obj.key.set_instance(*version_id);
+ } else if (versioned_dest) {
+ gen_rand_obj_instance_name(&dest_obj);
+ }
+
+ bufferlist first_chunk;
+
+ bool copy_itself = (dest_obj == src_obj);
+ RGWObjManifest *pmanifest;
+ ldout(cct, 20) << "dest_obj=" << dest_obj << " src_obj=" << src_obj << " copy_itself=" << (int)copy_itself << dendl;
+
+ RGWRados::Object dest_op_target(this, dest_bucket_info, obj_ctx, dest_obj);
+ RGWRados::Object::Write write_op(&dest_op_target);
+
+ string tag;
+
+ if (ptag) {
+ tag = *ptag;
+ }
+
+ if (tag.empty()) {
+ append_rand_alpha(cct, tag, tag, 32);
+ }
+
+ if (!copy_itself) {
+ attrs.erase(RGW_ATTR_TAIL_TAG);
+ manifest = astate->manifest;
+ const rgw_bucket_placement& tail_placement = manifest.get_tail_placement();
+ if (tail_placement.bucket.name.empty()) {
+ manifest.set_tail_placement(tail_placement.placement_rule, src_obj.bucket);
+ }
+ string ref_tag;
+ for (; miter != astate->manifest.obj_end(); ++miter) {
+ ObjectWriteOperation op;
+ ref_tag = tag + '\0';
+ cls_refcount_get(op, ref_tag, true);
+ const rgw_raw_obj& loc = miter.get_location().get_raw_obj(this);
+ ref.ioctx.locator_set_key(loc.loc);
+
+ ret = ref.ioctx.operate(loc.oid, &op);
+ if (ret < 0) {
+ goto done_ret;
+ }
+
+ ref_objs.push_back(loc);
+ }
+
+ pmanifest = &manifest;
+ } else {
+ pmanifest = &astate->manifest;
+ /* don't send the object's tail for garbage collection */
+ astate->keep_tail = true;
+ }
+
+ if (copy_first) {
+ ret = read_op.read(0, max_chunk_size, first_chunk);
+ if (ret < 0) {
+ goto done_ret;
+ }
+
+ pmanifest->set_head(dest_bucket_info.placement_rule, dest_obj, first_chunk.length());
+ } else {
+ pmanifest->set_head(dest_bucket_info.placement_rule, dest_obj, 0);
+ }
+
+ write_op.meta.data = &first_chunk;
+ write_op.meta.manifest = pmanifest;
+ write_op.meta.ptag = &tag;
+ write_op.meta.owner = dest_bucket_info.owner;
+ write_op.meta.mtime = mtime;
+ write_op.meta.flags = PUT_OBJ_CREATE;
+ write_op.meta.category = category;
+ write_op.meta.olh_epoch = olh_epoch;
+ write_op.meta.delete_at = delete_at;
+ write_op.meta.modify_tail = !copy_itself;
+
+ ret = write_op.write_meta(obj_size, astate->accounted_size, attrs);
+ if (ret < 0) {
+ goto done_ret;
+ }
+
+ return 0;
+
+done_ret:
+ if (!copy_itself) {
+ vector<rgw_raw_obj>::iterator riter;
+
+ /* rollback reference */
+ for (riter = ref_objs.begin(); riter != ref_objs.end(); ++riter) {
+ ObjectWriteOperation op;
+ cls_refcount_put(op, tag, true);
+
+ ref.ioctx.locator_set_key(riter->loc);
+
+ int r = ref.ioctx.operate(riter->oid, &op);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: cleanup after error failed to drop reference on obj=" << *riter << dendl;
+ }
+ }
+ }
+ return ret;
+}
+
+
+int RGWRados::copy_obj_data(RGWObjectCtx& obj_ctx,
+ RGWBucketInfo& dest_bucket_info,
+ RGWRados::Object::Read& read_op, off_t end,
+ rgw_obj& dest_obj,
+ rgw_obj& src_obj,
+ uint64_t max_chunk_size,
+ real_time *mtime,
+ real_time set_mtime,
+ map<string, bufferlist>& attrs,
+ RGWObjCategory category,
+ uint64_t olh_epoch,
+ real_time delete_at,
+ string *version_id,
+ string *ptag,
+ ceph::buffer::list *petag)
+{
+ bufferlist first_chunk;
+ RGWObjManifest manifest;
+
+ string tag;
+ append_rand_alpha(cct, tag, tag, 32);
+
+ RGWPutObjProcessor_Atomic processor(obj_ctx,
+ dest_bucket_info, dest_obj.bucket, dest_obj.get_oid(),
+ cct->_conf->rgw_obj_stripe_size, tag, dest_bucket_info.versioning_enabled());
+ if (version_id) {
+ processor.set_version_id(*version_id);
+ }
+ processor.set_olh_epoch(olh_epoch);
+ int ret = processor.prepare(this, NULL);
+ if (ret < 0)
+ return ret;
+
+ off_t ofs = 0;
+
+ do {
+ bufferlist bl;
+ ret = read_op.read(ofs, end, bl);
+
+ uint64_t read_len = ret;
+ bool again;
+
+ do {
+ void *handle;
+ rgw_raw_obj obj;
+
+ ret = processor.handle_data(bl, ofs, &handle, &obj, &again);
+ if (ret < 0) {
+ return ret;
+ }
+ ret = processor.throttle_data(handle, obj, read_len, false);
+ if (ret < 0)
+ return ret;
+ } while (again);
+
+ ofs += read_len;
+ } while (ofs <= end);
+
+ string etag;
+ auto iter = attrs.find(RGW_ATTR_ETAG);
+ if (iter != attrs.end()) {
+ bufferlist& bl = iter->second;
+ etag = string(bl.c_str(), bl.length());
+ if (petag) {
+ *petag = bl;
+ }
+ }
+
+ uint64_t accounted_size;
+ {
+ bool compressed{false};
+ RGWCompressionInfo cs_info;
+ ret = rgw_compression_info_from_attrset(attrs, compressed, cs_info);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: failed to read compression info" << dendl;
+ return ret;
+ }
+ // pass original size if compressed
+ accounted_size = compressed ? cs_info.orig_size : ofs;
+ }
+
+ return processor.complete(accounted_size, etag, mtime, set_mtime, attrs, delete_at);
+}
+
+bool RGWRados::is_meta_master()
+{
+ if (!get_zonegroup().is_master_zonegroup()) {
+ return false;
+ }
+
+ return (get_zonegroup().master_zone == zone_public_config.id);
+}
+
+/**
+ * Check to see if the bucket metadata could be synced
+ * bucket: the bucket to check
+ * Returns false is the bucket is not synced
+ */
+bool RGWRados::is_syncing_bucket_meta(const rgw_bucket& bucket)
+{
+
+ /* no current period */
+ if (current_period.get_id().empty()) {
+ return false;
+ }
+
+ /* zonegroup is not master zonegroup */
+ if (!get_zonegroup().is_master_zonegroup()) {
+ return false;
+ }
+
+ /* single zonegroup and a single zone */
+ if (current_period.is_single_zonegroup() && get_zonegroup().zones.size() == 1) {
+ return false;
+ }
+
+ /* zone is not master */
+ if (get_zonegroup().master_zone.compare(zone_public_config.id) != 0) {
+ return false;
+ }
+
+ return true;
+}
+
+int RGWRados::check_bucket_empty(RGWBucketInfo& bucket_info)
+{
+ std::map<string, rgw_bucket_dir_entry> ent_map;
+ rgw_obj_index_key marker;
+ string prefix;
+ bool is_truncated;
+
+ do {
+#define NUM_ENTRIES 1000
+ int r = cls_bucket_list(bucket_info, RGW_NO_SHARD, marker, prefix, NUM_ENTRIES, true, ent_map,
+ &is_truncated, &marker);
+ if (r < 0)
+ return r;
+
+ string ns;
+ std::map<string, rgw_bucket_dir_entry>::iterator eiter;
+ for (eiter = ent_map.begin(); eiter != ent_map.end(); ++eiter) {
+ rgw_obj_key obj;
+
+ if (rgw_obj_key::oid_to_key_in_ns(eiter->second.key.name, &obj, ns))
+ return -ENOTEMPTY;
+ }
+ } while (is_truncated);
+ return 0;
+}
+
+/**
+ * Delete a bucket.
+ * bucket: the name of the bucket to delete
+ * Returns 0 on success, -ERR# otherwise.
+ */
+int RGWRados::delete_bucket(RGWBucketInfo& bucket_info, RGWObjVersionTracker& objv_tracker, bool check_empty)
+{
+ const rgw_bucket& bucket = bucket_info.bucket;
+ librados::IoCtx index_ctx;
+ map<int, string> bucket_objs;
+ int r = open_bucket_index(bucket_info, index_ctx, bucket_objs);
+ if (r < 0)
+ return r;
+
+ if (check_empty) {
+ r = check_bucket_empty(bucket_info);
+ if (r < 0) {
+ return r;
+ }
+ }
+
+ r = rgw_bucket_delete_bucket_obj(this, bucket.tenant, bucket.name, objv_tracker);
+ if (r < 0)
+ return r;
+
+ /* if the bucket is not synced we can remove the meta file */
+ if (!is_syncing_bucket_meta(bucket)) {
+ RGWObjVersionTracker objv_tracker;
+ string entry = bucket.get_key();
+ r= rgw_bucket_instance_remove_entry(this, entry, &objv_tracker);
+ if (r < 0) {
+ return r;
+ }
+ /* remove bucket index objects*/
+ map<int, string>::const_iterator biter;
+ for (biter = bucket_objs.begin(); biter != bucket_objs.end(); ++biter) {
+ index_ctx.remove(biter->second);
+ }
+ }
+ return 0;
+}
+
+int RGWRados::set_bucket_owner(rgw_bucket& bucket, ACLOwner& owner)
+{
+ RGWBucketInfo info;
+ map<string, bufferlist> attrs;
+ RGWObjectCtx obj_ctx(this);
+ int r;
+ if (bucket.bucket_id.empty()) {
+ r = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, info, NULL, &attrs);
+ } else {
+ r = get_bucket_instance_info(obj_ctx, bucket, info, nullptr, &attrs);
+ }
+ if (r < 0) {
+ ldout(cct, 0) << "NOTICE: get_bucket_info on bucket=" << bucket.name << " returned err=" << r << dendl;
+ return r;
+ }
+
+ info.owner = owner.get_id();
+
+ r = put_bucket_instance_info(info, false, real_time(), &attrs);
+ if (r < 0) {
+ ldout(cct, 0) << "NOTICE: put_bucket_info on bucket=" << bucket.name << " returned err=" << r << dendl;
+ return r;
+ }
+
+ return 0;
+}
+
+
+int RGWRados::set_buckets_enabled(vector<rgw_bucket>& buckets, bool enabled)
+{
+ int ret = 0;
+
+ vector<rgw_bucket>::iterator iter;
+
+ for (iter = buckets.begin(); iter != buckets.end(); ++iter) {
+ rgw_bucket& bucket = *iter;
+ if (enabled)
+ ldout(cct, 20) << "enabling bucket name=" << bucket.name << dendl;
+ else
+ ldout(cct, 20) << "disabling bucket name=" << bucket.name << dendl;
+
+ RGWBucketInfo info;
+ map<string, bufferlist> attrs;
+ RGWObjectCtx obj_ctx(this);
+ int r = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, info, NULL, &attrs);
+ if (r < 0) {
+ ldout(cct, 0) << "NOTICE: get_bucket_info on bucket=" << bucket.name << " returned err=" << r << ", skipping bucket" << dendl;
+ ret = r;
+ continue;
+ }
+ if (enabled) {
+ info.flags &= ~BUCKET_SUSPENDED;
+ } else {
+ info.flags |= BUCKET_SUSPENDED;
+ }
+
+ r = put_bucket_instance_info(info, false, real_time(), &attrs);
+ if (r < 0) {
+ ldout(cct, 0) << "NOTICE: put_bucket_info on bucket=" << bucket.name << " returned err=" << r << ", skipping bucket" << dendl;
+ ret = r;
+ continue;
+ }
+ }
+ return ret;
+}
+
+int RGWRados::bucket_suspended(rgw_bucket& bucket, bool *suspended)
+{
+ RGWBucketInfo bucket_info;
+ RGWObjectCtx obj_ctx(this);
+ int ret = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, bucket_info, NULL);
+ if (ret < 0) {
+ return ret;
+ }
+
+ *suspended = ((bucket_info.flags & BUCKET_SUSPENDED) != 0);
+ return 0;
+}
+
+int RGWRados::Object::complete_atomic_modification()
+{
+ if (!state->has_manifest || state->keep_tail)
+ return 0;
+
+ cls_rgw_obj_chain chain;
+ store->update_gc_chain(obj, state->manifest, &chain);
+
+ if (chain.empty()) {
+ return 0;
+ }
+
+ string tag = (state->tail_tag.length() > 0 ? state->tail_tag.to_str() : state->obj_tag.to_str());
+ return store->gc->send_chain(chain, tag, false); // do it async
+}
+
+void RGWRados::update_gc_chain(rgw_obj& head_obj, RGWObjManifest& manifest, cls_rgw_obj_chain *chain)
+{
+ RGWObjManifest::obj_iterator iter;
+ rgw_raw_obj raw_head;
+ obj_to_raw(manifest.get_head_placement_rule(), head_obj, &raw_head);
+ for (iter = manifest.obj_begin(); iter != manifest.obj_end(); ++iter) {
+ const rgw_raw_obj& mobj = iter.get_location().get_raw_obj(this);
+ if (mobj == raw_head)
+ continue;
+ cls_rgw_obj_key key(mobj.oid);
+ chain->push_obj(mobj.pool.to_str(), key, mobj.loc);
+ }
+}
+
+int RGWRados::send_chain_to_gc(cls_rgw_obj_chain& chain, const string& tag, bool sync)
+{
+ return gc->send_chain(chain, tag, sync);
+}
+
+int RGWRados::open_bucket_index(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, string& bucket_oid)
+{
+ const rgw_bucket& bucket = bucket_info.bucket;
+ int r = open_bucket_index_ctx(bucket_info, index_ctx);
+ if (r < 0)
+ return r;
+
+ if (bucket.bucket_id.empty()) {
+ ldout(cct, 0) << "ERROR: empty bucket id for bucket operation" << dendl;
+ return -EIO;
+ }
+
+ bucket_oid = dir_oid_prefix;
+ bucket_oid.append(bucket.bucket_id);
+
+ return 0;
+}
+
+int RGWRados::open_bucket_index_base(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx,
+ string& bucket_oid_base) {
+ const rgw_bucket& bucket = bucket_info.bucket;
+ int r = open_bucket_index_ctx(bucket_info, index_ctx);
+ if (r < 0)
+ return r;
+
+ if (bucket.bucket_id.empty()) {
+ ldout(cct, 0) << "ERROR: empty bucket_id for bucket operation" << dendl;
+ return -EIO;
+ }
+
+ bucket_oid_base = dir_oid_prefix;
+ bucket_oid_base.append(bucket.bucket_id);
+
+ return 0;
+
+}
+
+int RGWRados::open_bucket_index(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx,
+ map<int, string>& bucket_objs, int shard_id, map<int, string> *bucket_instance_ids) {
+ string bucket_oid_base;
+ int ret = open_bucket_index_base(bucket_info, index_ctx, bucket_oid_base);
+ if (ret < 0) {
+ return ret;
+ }
+
+ get_bucket_index_objects(bucket_oid_base, bucket_info.num_shards, bucket_objs, shard_id);
+ if (bucket_instance_ids) {
+ get_bucket_instance_ids(bucket_info, shard_id, bucket_instance_ids);
+ }
+ return 0;
+}
+
+template<typename T>
+int RGWRados::open_bucket_index(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx,
+ map<int, string>& oids, map<int, T>& bucket_objs,
+ int shard_id, map<int, string> *bucket_instance_ids)
+{
+ int ret = open_bucket_index(bucket_info, index_ctx, oids, shard_id, bucket_instance_ids);
+ if (ret < 0)
+ return ret;
+
+ map<int, string>::const_iterator iter = oids.begin();
+ for (; iter != oids.end(); ++iter) {
+ bucket_objs[iter->first] = T();
+ }
+ return 0;
+}
+
+int RGWRados::open_bucket_index_shard(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx,
+ const string& obj_key, string *bucket_obj, int *shard_id)
+{
+ string bucket_oid_base;
+ int ret = open_bucket_index_base(bucket_info, index_ctx, bucket_oid_base);
+ if (ret < 0)
+ return ret;
+
+ RGWObjectCtx obj_ctx(this);
+
+ ret = get_bucket_index_object(bucket_oid_base, obj_key, bucket_info.num_shards,
+ (RGWBucketInfo::BIShardsHashType)bucket_info.bucket_index_shard_hash_type, bucket_obj, shard_id);
+ if (ret < 0) {
+ ldout(cct, 10) << "get_bucket_index_object() returned ret=" << ret << dendl;
+ return ret;
+ }
+ return 0;
+}
+
+int RGWRados::open_bucket_index_shard(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx,
+ int shard_id, string *bucket_obj)
+{
+ string bucket_oid_base;
+ int ret = open_bucket_index_base(bucket_info, index_ctx, bucket_oid_base);
+ if (ret < 0)
+ return ret;
+
+ RGWObjectCtx obj_ctx(this);
+
+ get_bucket_index_object(bucket_oid_base, bucket_info.num_shards,
+ shard_id, bucket_obj);
+ return 0;
+}
+
+static void accumulate_raw_stats(const rgw_bucket_dir_header& header,
+ map<RGWObjCategory, RGWStorageStats>& stats)
+{
+ for (const auto& pair : header.stats) {
+ const RGWObjCategory category = static_cast<RGWObjCategory>(pair.first);
+ const rgw_bucket_category_stats& header_stats = pair.second;
+
+ RGWStorageStats& s = stats[category];
+
+ s.category = category;
+ s.size += header_stats.total_size;
+ s.size_rounded += header_stats.total_size_rounded;
+ s.size_utilized += header_stats.actual_size;
+ s.num_objects += header_stats.num_entries;
+ }
+}
+
+int RGWRados::bucket_check_index(RGWBucketInfo& bucket_info,
+ map<RGWObjCategory, RGWStorageStats> *existing_stats,
+ map<RGWObjCategory, RGWStorageStats> *calculated_stats)
+{
+ librados::IoCtx index_ctx;
+ // key - bucket index object id
+ // value - bucket index check OP returned result with the given bucket index object (shard)
+ map<int, string> oids;
+ map<int, struct rgw_cls_check_index_ret> bucket_objs_ret;
+
+ int ret = open_bucket_index(bucket_info, index_ctx, oids, bucket_objs_ret);
+ if (ret < 0) {
+ return ret;
+ }
+
+ ret = CLSRGWIssueBucketCheck(index_ctx, oids, bucket_objs_ret, cct->_conf->rgw_bucket_index_max_aio)();
+ if (ret < 0) {
+ return ret;
+ }
+
+ // Aggregate results (from different shards if there is any)
+ map<int, struct rgw_cls_check_index_ret>::iterator iter;
+ for (iter = bucket_objs_ret.begin(); iter != bucket_objs_ret.end(); ++iter) {
+ accumulate_raw_stats(iter->second.existing_header, *existing_stats);
+ accumulate_raw_stats(iter->second.calculated_header, *calculated_stats);
+ }
+
+ return 0;
+}
+
+int RGWRados::bucket_rebuild_index(RGWBucketInfo& bucket_info)
+{
+ librados::IoCtx index_ctx;
+ map<int, string> bucket_objs;
+
+ int r = open_bucket_index(bucket_info, index_ctx, bucket_objs);
+ if (r < 0) {
+ return r;
+ }
+
+ return CLSRGWIssueBucketRebuild(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio)();
+}
+
+int RGWRados::bucket_set_reshard(RGWBucketInfo& bucket_info, const cls_rgw_bucket_instance_entry& entry)
+{
+ librados::IoCtx index_ctx;
+ map<int, string> bucket_objs;
+
+ int r = open_bucket_index(bucket_info, index_ctx, bucket_objs);
+ if (r < 0) {
+ return r;
+ }
+
+ return CLSRGWIssueSetBucketResharding(index_ctx, bucket_objs, entry, cct->_conf->rgw_bucket_index_max_aio)();
+}
+
+int RGWRados::defer_gc(void *ctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj)
+{
+ RGWObjectCtx *rctx = static_cast<RGWObjectCtx *>(ctx);
+ std::string oid, key;
+ get_obj_bucket_and_oid_loc(obj, oid, key);
+ if (!rctx)
+ return 0;
+
+ RGWObjState *state = NULL;
+
+ int r = get_obj_state(rctx, bucket_info, obj, &state, false);
+ if (r < 0)
+ return r;
+
+ if (!state->is_atomic) {
+ ldout(cct, 20) << "state for obj=" << obj << " is not atomic, not deferring gc operation" << dendl;
+ return -EINVAL;
+ }
+
+ string tag;
+
+ if (state->tail_tag.length() > 0) {
+ tag = state->tail_tag.c_str();
+ } else if (state->obj_tag.length() > 0) {
+ tag = state->obj_tag.c_str();
+ } else {
+ ldout(cct, 20) << "state->obj_tag is empty, not deferring gc operation" << dendl;
+ return -EINVAL;
+ }
+
+ ldout(cct, 0) << "defer chain tag=" << tag << dendl;
+
+ return gc->defer_chain(tag, false);
+}
+
+void RGWRados::remove_rgw_head_obj(ObjectWriteOperation& op)
+{
+ list<string> prefixes;
+ prefixes.push_back(RGW_ATTR_OLH_PREFIX);
+ cls_rgw_remove_obj(op, prefixes);
+}
+
+void RGWRados::cls_obj_check_prefix_exist(ObjectOperation& op, const string& prefix, bool fail_if_exist)
+{
+ cls_rgw_obj_check_attrs_prefix(op, prefix, fail_if_exist);
+}
+
+void RGWRados::cls_obj_check_mtime(ObjectOperation& op, const real_time& mtime, bool high_precision_time, RGWCheckMTimeType type)
+{
+ cls_rgw_obj_check_mtime(op, mtime, high_precision_time, type);
+}
+
+
+/**
+ * Delete an object.
+ * bucket: name of the bucket storing the object
+ * obj: name of the object to delete
+ * Returns: 0 on success, -ERR# otherwise.
+ */
+int RGWRados::Object::Delete::delete_obj()
+{
+ RGWRados *store = target->get_store();
+ rgw_obj& src_obj = target->get_obj();
+ const string& instance = src_obj.key.instance;
+ rgw_obj obj = src_obj;
+
+ if (instance == "null") {
+ obj.key.instance.clear();
+ }
+
+ bool explicit_marker_version = (!params.marker_version_id.empty());
+
+ if (params.versioning_status & BUCKET_VERSIONED || explicit_marker_version) {
+ if (instance.empty() || explicit_marker_version) {
+ rgw_obj marker = obj;
+
+ if (!params.marker_version_id.empty()) {
+ if (params.marker_version_id != "null") {
+ marker.key.set_instance(params.marker_version_id);
+ }
+ } else if ((params.versioning_status & BUCKET_VERSIONS_SUSPENDED) == 0) {
+ store->gen_rand_obj_instance_name(&marker);
+ }
+
+ result.version_id = marker.key.instance;
+ result.delete_marker = true;
+
+ struct rgw_bucket_dir_entry_meta meta;
+
+ meta.owner = params.obj_owner.get_id().to_str();
+ meta.owner_display_name = params.obj_owner.get_display_name();
+
+ if (real_clock::is_zero(params.mtime)) {
+ meta.mtime = real_clock::now();
+ } else {
+ meta.mtime = params.mtime;
+ }
+
+ int r = store->set_olh(target->get_ctx(), target->get_bucket_info(), marker, true, &meta, params.olh_epoch, params.unmod_since, params.high_precision_time, params.zones_trace);
+ if (r < 0) {
+ return r;
+ }
+ } else {
+ rgw_bucket_dir_entry dirent;
+
+ int r = store->bi_get_instance(target->get_bucket_info(), obj, &dirent);
+ if (r < 0) {
+ return r;
+ }
+ result.delete_marker = dirent.is_delete_marker();
+ r = store->unlink_obj_instance(target->get_ctx(), target->get_bucket_info(), obj, params.olh_epoch, params.zones_trace);
+ if (r < 0) {
+ return r;
+ }
+ result.version_id = instance;
+ }
+
+ BucketShard *bs;
+ int r = target->get_bucket_shard(&bs);
+ if (r < 0) {
+ ldout(store->ctx(), 5) << "failed to get BucketShard object: r=" << r << dendl;
+ return r;
+ }
+
+ if (target->bucket_info.datasync_flag_enabled()) {
+ r = store->data_log->add_entry(bs->bucket, bs->shard_id);
+ if (r < 0) {
+ lderr(store->ctx()) << "ERROR: failed writing data log" << dendl;
+ return r;
+ }
+ }
+
+ return 0;
+ }
+
+ rgw_rados_ref ref;
+ int r = store->get_obj_head_ref(target->get_bucket_info(), obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ RGWObjState *state;
+ r = target->get_state(&state, false);
+ if (r < 0)
+ return r;
+
+ ObjectWriteOperation op;
+
+ if (!real_clock::is_zero(params.unmod_since)) {
+ struct timespec ctime = ceph::real_clock::to_timespec(state->mtime);
+ struct timespec unmod = ceph::real_clock::to_timespec(params.unmod_since);
+ if (!params.high_precision_time) {
+ ctime.tv_nsec = 0;
+ unmod.tv_nsec = 0;
+ }
+
+ ldout(store->ctx(), 10) << "If-UnModified-Since: " << params.unmod_since << " Last-Modified: " << ctime << dendl;
+ if (ctime > unmod) {
+ return -ERR_PRECONDITION_FAILED;
+ }
+
+ /* only delete object if mtime is less than or equal to params.unmod_since */
+ store->cls_obj_check_mtime(op, params.unmod_since, params.high_precision_time, CLS_RGW_CHECK_TIME_MTIME_LE);
+ }
+ uint64_t obj_size = state->size;
+
+ if (!real_clock::is_zero(params.expiration_time)) {
+ bufferlist bl;
+ real_time delete_at;
+
+ if (state->get_attr(RGW_ATTR_DELETE_AT, bl)) {
+ try {
+ bufferlist::iterator iter = bl.begin();
+ ::decode(delete_at, iter);
+ } catch (buffer::error& err) {
+ ldout(store->ctx(), 0) << "ERROR: couldn't decode RGW_ATTR_DELETE_AT" << dendl;
+ return -EIO;
+ }
+
+ if (params.expiration_time != delete_at) {
+ return -ERR_PRECONDITION_FAILED;
+ }
+ } else {
+ return -ERR_PRECONDITION_FAILED;
+ }
+ }
+
+ if (!state->exists) {
+ target->invalidate_state();
+ return -ENOENT;
+ }
+
+ r = target->prepare_atomic_modification(op, false, NULL, NULL, NULL, true, false);
+ if (r < 0)
+ return r;
+
+ RGWBucketInfo& bucket_info = target->get_bucket_info();
+
+ RGWRados::Bucket bop(store, bucket_info);
+ RGWRados::Bucket::UpdateIndex index_op(&bop, obj);
+
+ index_op.set_zones_trace(params.zones_trace);
+ index_op.set_bilog_flags(params.bilog_flags);
+
+ r = index_op.prepare(CLS_RGW_OP_DEL, &state->write_tag);
+ if (r < 0)
+ return r;
+
+ store->remove_rgw_head_obj(op);
+ r = ref.ioctx.operate(ref.oid, &op);
+ bool need_invalidate = false;
+ if (r == -ECANCELED) {
+ /* raced with another operation, we can regard it as removed */
+ need_invalidate = true;
+ r = 0;
+ }
+
+ int64_t poolid = ref.ioctx.get_id();
+ if (r >= 0) {
+ tombstone_cache_t *obj_tombstone_cache = store->get_tombstone_cache();
+ if (obj_tombstone_cache) {
+ tombstone_entry entry{*state};
+ obj_tombstone_cache->add(obj, entry);
+ }
+ r = index_op.complete_del(poolid, ref.ioctx.get_last_version(), state->mtime, params.remove_objs);
+
+ int ret = target->complete_atomic_modification();
+ if (ret < 0) {
+ ldout(store->ctx(), 0) << "ERROR: complete_atomic_modification returned ret=" << ret << dendl;
+ }
+ /* other than that, no need to propagate error */
+ } else {
+ int ret = index_op.cancel();
+ if (ret < 0) {
+ ldout(store->ctx(), 0) << "ERROR: index_op.cancel() returned ret=" << ret << dendl;
+ }
+ }
+
+ if (need_invalidate) {
+ target->invalidate_state();
+ }
+
+ if (r < 0)
+ return r;
+
+ /* update quota cache */
+ store->quota_handler->update_stats(params.bucket_owner, obj.bucket, -1, 0, obj_size);
+
+ return 0;
+}
+
+int RGWRados::delete_obj(RGWObjectCtx& obj_ctx,
+ const RGWBucketInfo& bucket_info,
+ const rgw_obj& obj,
+ int versioning_status,
+ uint16_t bilog_flags,
+ const real_time& expiration_time,
+ rgw_zone_set *zones_trace)
+{
+ RGWRados::Object del_target(this, bucket_info, obj_ctx, obj);
+ RGWRados::Object::Delete del_op(&del_target);
+
+ del_op.params.bucket_owner = bucket_info.owner;
+ del_op.params.versioning_status = versioning_status;
+ del_op.params.bilog_flags = bilog_flags;
+ del_op.params.expiration_time = expiration_time;
+ del_op.params.zones_trace = zones_trace;
+
+ return del_op.delete_obj();
+}
+
+int RGWRados::delete_raw_obj(const rgw_raw_obj& obj)
+{
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ ObjectWriteOperation op;
+
+ op.remove();
+ r = ref.ioctx.operate(ref.oid, &op);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+int RGWRados::delete_system_obj(rgw_raw_obj& obj, RGWObjVersionTracker *objv_tracker)
+{
+ if (obj.empty()) {
+ ldout(cct, 1) << "delete_system_obj got empty object name "
+ << obj << ", returning EINVAL" << dendl;
+ return -EINVAL;
+ }
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ ObjectWriteOperation op;
+
+ if (objv_tracker) {
+ objv_tracker->prepare_op_for_write(&op);
+ }
+
+ op.remove();
+ r = ref.ioctx.operate(ref.oid, &op);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+int RGWRados::delete_obj_index(const rgw_obj& obj)
+{
+ std::string oid, key;
+ get_obj_bucket_and_oid_loc(obj, oid, key);
+
+ RGWObjectCtx obj_ctx(this);
+
+ RGWBucketInfo bucket_info;
+ int ret = get_bucket_instance_info(obj_ctx, obj.bucket, bucket_info, NULL, NULL);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: " << __func__ << "() get_bucket_instance_info(bucket=" << obj.bucket << ") returned ret=" << ret << dendl;
+ return ret;
+ }
+
+ RGWRados::Bucket bop(this, bucket_info);
+ RGWRados::Bucket::UpdateIndex index_op(&bop, obj);
+
+ real_time removed_mtime;
+ int r = index_op.complete_del(-1 /* pool */, 0, removed_mtime, NULL);
+
+ return r;
+}
+
+static void generate_fake_tag(RGWRados *store, map<string, bufferlist>& attrset, RGWObjManifest& manifest, bufferlist& manifest_bl, bufferlist& tag_bl)
+{
+ string tag;
+
+ RGWObjManifest::obj_iterator mi = manifest.obj_begin();
+ if (mi != manifest.obj_end()) {
+ if (manifest.has_tail()) // first object usually points at the head, let's skip to a more unique part
+ ++mi;
+ tag = mi.get_location().get_raw_obj(store).oid;
+ tag.append("_");
+ }
+
+ unsigned char md5[CEPH_CRYPTO_MD5_DIGESTSIZE];
+ char md5_str[CEPH_CRYPTO_MD5_DIGESTSIZE * 2 + 1];
+ MD5 hash;
+ hash.Update((const byte *)manifest_bl.c_str(), manifest_bl.length());
+
+ map<string, bufferlist>::iterator iter = attrset.find(RGW_ATTR_ETAG);
+ if (iter != attrset.end()) {
+ bufferlist& bl = iter->second;
+ hash.Update((const byte *)bl.c_str(), bl.length());
+ }
+
+ hash.Final(md5);
+ buf_to_hex(md5, CEPH_CRYPTO_MD5_DIGESTSIZE, md5_str);
+ tag.append(md5_str);
+
+ ldout(store->ctx(), 10) << "generate_fake_tag new tag=" << tag << dendl;
+
+ tag_bl.append(tag.c_str(), tag.size() + 1);
+}
+
+static bool is_olh(map<string, bufferlist>& attrs)
+{
+ map<string, bufferlist>::iterator iter = attrs.find(RGW_ATTR_OLH_INFO);
+ return (iter != attrs.end());
+}
+
+static bool has_olh_tag(map<string, bufferlist>& attrs)
+{
+ map<string, bufferlist>::iterator iter = attrs.find(RGW_ATTR_OLH_ID_TAG);
+ return (iter != attrs.end());
+}
+
+int RGWRados::get_olh_target_state(RGWObjectCtx& obj_ctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj,
+ RGWObjState *olh_state, RGWObjState **target_state)
+{
+ assert(olh_state->is_olh);
+
+ rgw_obj target;
+ int r = RGWRados::follow_olh(bucket_info, obj_ctx, olh_state, obj, &target); /* might return -EAGAIN */
+ if (r < 0) {
+ return r;
+ }
+ r = get_obj_state(&obj_ctx, bucket_info, target, target_state, false);
+ if (r < 0) {
+ return r;
+ }
+
+ return 0;
+}
+
+int RGWRados::get_system_obj_state_impl(RGWObjectCtx *rctx, rgw_raw_obj& obj, RGWRawObjState **state, RGWObjVersionTracker *objv_tracker)
+{
+ if (obj.empty()) {
+ return -EINVAL;
+ }
+
+ RGWRawObjState *s = rctx->raw.get_state(obj);
+ ldout(cct, 20) << "get_system_obj_state: rctx=" << (void *)rctx << " obj=" << obj << " state=" << (void *)s << " s->prefetch_data=" << s->prefetch_data << dendl;
+ *state = s;
+ if (s->has_attrs) {
+ return 0;
+ }
+
+ s->obj = obj;
+
+ int r = raw_obj_stat(obj, &s->size, &s->mtime, &s->epoch, &s->attrset, (s->prefetch_data ? &s->data : NULL), objv_tracker);
+ if (r == -ENOENT) {
+ s->exists = false;
+ s->has_attrs = true;
+ s->mtime = real_time();
+ return 0;
+ }
+ if (r < 0)
+ return r;
+
+ s->exists = true;
+ s->has_attrs = true;
+ s->obj_tag = s->attrset[RGW_ATTR_ID_TAG];
+
+ if (s->obj_tag.length())
+ ldout(cct, 20) << "get_system_obj_state: setting s->obj_tag to "
+ << s->obj_tag.c_str() << dendl;
+ else
+ ldout(cct, 20) << "get_system_obj_state: s->obj_tag was set empty" << dendl;
+
+ return 0;
+}
+
+int RGWRados::get_system_obj_state(RGWObjectCtx *rctx, rgw_raw_obj& obj, RGWRawObjState **state, RGWObjVersionTracker *objv_tracker)
+{
+ int ret;
+
+ do {
+ ret = get_system_obj_state_impl(rctx, obj, state, objv_tracker);
+ } while (ret == -EAGAIN);
+
+ return ret;
+}
+
+int RGWRados::get_obj_state_impl(RGWObjectCtx *rctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj,
+ RGWObjState **state, bool follow_olh, bool assume_noent)
+{
+ if (obj.empty()) {
+ return -EINVAL;
+ }
+
+ bool need_follow_olh = follow_olh && obj.key.instance.empty();
+
+ RGWObjState *s = rctx->obj.get_state(obj);
+ ldout(cct, 20) << "get_obj_state: rctx=" << (void *)rctx << " obj=" << obj << " state=" << (void *)s << " s->prefetch_data=" << s->prefetch_data << dendl;
+ *state = s;
+ if (s->has_attrs) {
+ if (s->is_olh && need_follow_olh) {
+ return get_olh_target_state(*rctx, bucket_info, obj, s, state);
+ }
+ return 0;
+ }
+
+ s->obj = obj;
+
+ rgw_raw_obj raw_obj;
+ obj_to_raw(bucket_info.placement_rule, obj, &raw_obj);
+
+ int r = -ENOENT;
+
+ if (!assume_noent) {
+ r = RGWRados::raw_obj_stat(raw_obj, &s->size, &s->mtime, &s->epoch, &s->attrset, (s->prefetch_data ? &s->data : NULL), NULL);
+ }
+
+ if (r == -ENOENT) {
+ s->exists = false;
+ s->has_attrs = true;
+ tombstone_entry entry;
+ if (obj_tombstone_cache && obj_tombstone_cache->find(obj, entry)) {
+ s->mtime = entry.mtime;
+ s->zone_short_id = entry.zone_short_id;
+ s->pg_ver = entry.pg_ver;
+ ldout(cct, 20) << __func__ << "(): found obj in tombstone cache: obj=" << obj
+ << " mtime=" << s->mtime << " pgv=" << s->pg_ver << dendl;
+ } else {
+ s->mtime = real_time();
+ }
+ return 0;
+ }
+ if (r < 0)
+ return r;
+
+ s->exists = true;
+ s->has_attrs = true;
+ s->accounted_size = s->size;
+
+ auto iter = s->attrset.find(RGW_ATTR_COMPRESSION);
+ const bool compressed = (iter != s->attrset.end());
+ if (compressed) {
+ // use uncompressed size for accounted_size
+ try {
+ RGWCompressionInfo info;
+ auto p = iter->second.begin();
+ ::decode(info, p);
+ s->accounted_size = info.orig_size;
+ } catch (buffer::error&) {
+ dout(0) << "ERROR: could not decode compression info for object: " << obj << dendl;
+ return -EIO;
+ }
+ }
+
+ iter = s->attrset.find(RGW_ATTR_SHADOW_OBJ);
+ if (iter != s->attrset.end()) {
+ bufferlist bl = iter->second;
+ bufferlist::iterator it = bl.begin();
+ it.copy(bl.length(), s->shadow_obj);
+ s->shadow_obj[bl.length()] = '\0';
+ }
+ s->obj_tag = s->attrset[RGW_ATTR_ID_TAG];
+ auto ttiter = s->attrset.find(RGW_ATTR_TAIL_TAG);
+ if (ttiter != s->attrset.end()) {
+ s->tail_tag = s->attrset[RGW_ATTR_TAIL_TAG];
+ }
+
+ bufferlist manifest_bl = s->attrset[RGW_ATTR_MANIFEST];
+ if (manifest_bl.length()) {
+ bufferlist::iterator miter = manifest_bl.begin();
+ try {
+ ::decode(s->manifest, miter);
+ s->has_manifest = true;
+ s->manifest.set_head(bucket_info.placement_rule, obj, s->size); /* patch manifest to reflect the head we just read, some manifests might be
+ broken due to old bugs */
+ s->size = s->manifest.get_obj_size();
+ if (!compressed)
+ s->accounted_size = s->size;
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: couldn't decode manifest" << dendl;
+ return -EIO;
+ }
+ ldout(cct, 10) << "manifest: total_size = " << s->manifest.get_obj_size() << dendl;
+ if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20) && s->manifest.has_explicit_objs()) {
+ RGWObjManifest::obj_iterator mi;
+ for (mi = s->manifest.obj_begin(); mi != s->manifest.obj_end(); ++mi) {
+ ldout(cct, 20) << "manifest: ofs=" << mi.get_ofs() << " loc=" << mi.get_location().get_raw_obj(this) << dendl;
+ }
+ }
+
+ if (!s->obj_tag.length()) {
+ /*
+ * Uh oh, something's wrong, object with manifest should have tag. Let's
+ * create one out of the manifest, would be unique
+ */
+ generate_fake_tag(this, s->attrset, s->manifest, manifest_bl, s->obj_tag);
+ s->fake_tag = true;
+ }
+ }
+ map<string, bufferlist>::iterator aiter = s->attrset.find(RGW_ATTR_PG_VER);
+ if (aiter != s->attrset.end()) {
+ bufferlist& pg_ver_bl = aiter->second;
+ if (pg_ver_bl.length()) {
+ bufferlist::iterator pgbl = pg_ver_bl.begin();
+ try {
+ ::decode(s->pg_ver, pgbl);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: couldn't decode pg ver attr for object " << s->obj << ", non-critical error, ignoring" << dendl;
+ }
+ }
+ }
+ aiter = s->attrset.find(RGW_ATTR_SOURCE_ZONE);
+ if (aiter != s->attrset.end()) {
+ bufferlist& zone_short_id_bl = aiter->second;
+ if (zone_short_id_bl.length()) {
+ bufferlist::iterator zbl = zone_short_id_bl.begin();
+ try {
+ ::decode(s->zone_short_id, zbl);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: couldn't decode zone short id attr for object " << s->obj << ", non-critical error, ignoring" << dendl;
+ }
+ }
+ }
+ if (s->obj_tag.length())
+ ldout(cct, 20) << "get_obj_state: setting s->obj_tag to " << s->obj_tag.c_str() << dendl;
+ else
+ ldout(cct, 20) << "get_obj_state: s->obj_tag was set empty" << dendl;
+
+ /* an object might not be olh yet, but could have olh id tag, so we should set it anyway if
+ * it exist, and not only if is_olh() returns true
+ */
+ iter = s->attrset.find(RGW_ATTR_OLH_ID_TAG);
+ if (iter != s->attrset.end()) {
+ s->olh_tag = iter->second;
+ }
+
+ if (is_olh(s->attrset)) {
+ s->is_olh = true;
+
+ ldout(cct, 20) << __func__ << ": setting s->olh_tag to " << string(s->olh_tag.c_str(), s->olh_tag.length()) << dendl;
+
+ if (need_follow_olh) {
+ return get_olh_target_state(*rctx, bucket_info, obj, s, state);
+ }
+ }
+
+ return 0;
+}
+
+int RGWRados::get_obj_state(RGWObjectCtx *rctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj, RGWObjState **state,
+ bool follow_olh, bool assume_noent)
+{
+ int ret;
+
+ do {
+ ret = get_obj_state_impl(rctx, bucket_info, obj, state, follow_olh, assume_noent);
+ } while (ret == -EAGAIN);
+
+ return ret;
+}
+
+int RGWRados::Object::get_manifest(RGWObjManifest **pmanifest)
+{
+ RGWObjState *astate;
+ int r = get_state(&astate, true);
+ if (r < 0) {
+ return r;
+ }
+
+ *pmanifest = &astate->manifest;
+
+ return 0;
+}
+
+int RGWRados::Object::Read::get_attr(const char *name, bufferlist& dest)
+{
+ RGWObjState *state;
+ int r = source->get_state(&state, true);
+ if (r < 0)
+ return r;
+ if (!state->exists)
+ return -ENOENT;
+ if (!state->get_attr(name, dest))
+ return -ENODATA;
+
+ return 0;
+}
+
+
+int RGWRados::Object::Stat::stat_async()
+{
+ RGWObjectCtx& ctx = source->get_ctx();
+ rgw_obj& obj = source->get_obj();
+ RGWRados *store = source->get_store();
+
+ RGWObjState *s = ctx.obj.get_state(obj); /* calling this one directly because otherwise a sync request will be sent */
+ result.obj = obj;
+ if (s->has_attrs) {
+ state.ret = 0;
+ result.size = s->size;
+ result.mtime = ceph::real_clock::to_timespec(s->mtime);
+ result.attrs = s->attrset;
+ result.has_manifest = s->has_manifest;
+ result.manifest = s->manifest;
+ return 0;
+ }
+
+ string oid;
+ string loc;
+ get_obj_bucket_and_oid_loc(obj, oid, loc);
+
+ int r = store->get_obj_head_ioctx(source->get_bucket_info(), obj, &state.io_ctx);
+ if (r < 0) {
+ return r;
+ }
+
+ librados::ObjectReadOperation op;
+ op.stat2(&result.size, &result.mtime, NULL);
+ op.getxattrs(&result.attrs, NULL);
+ state.completion = librados::Rados::aio_create_completion(NULL, NULL, NULL);
+ state.io_ctx.locator_set_key(loc);
+ r = state.io_ctx.aio_operate(oid, state.completion, &op, NULL);
+ if (r < 0) {
+ ldout(store->ctx(), 5) << __func__
+ << ": ERROR: aio_operate() returned ret=" << r
+ << dendl;
+ return r;
+ }
+
+ return 0;
+}
+
+
+int RGWRados::Object::Stat::wait()
+{
+ if (!state.completion) {
+ return state.ret;
+ }
+
+ state.completion->wait_for_safe();
+ state.ret = state.completion->get_return_value();
+ state.completion->release();
+
+ if (state.ret != 0) {
+ return state.ret;
+ }
+
+ return finish();
+}
+
+int RGWRados::Object::Stat::finish()
+{
+ map<string, bufferlist>::iterator iter = result.attrs.find(RGW_ATTR_MANIFEST);
+ if (iter != result.attrs.end()) {
+ bufferlist& bl = iter->second;
+ bufferlist::iterator biter = bl.begin();
+ try {
+ ::decode(result.manifest, biter);
+ } catch (buffer::error& err) {
+ RGWRados *store = source->get_store();
+ ldout(store->ctx(), 0) << "ERROR: " << __func__ << ": failed to decode manifest" << dendl;
+ return -EIO;
+ }
+ result.has_manifest = true;
+ }
+
+ return 0;
+}
+
+/**
+ * Get an attribute for a system object.
+ * obj: the object to get attr
+ * name: name of the attr to retrieve
+ * dest: bufferlist to store the result in
+ * Returns: 0 on success, -ERR# otherwise.
+ */
+int RGWRados::system_obj_get_attr(rgw_raw_obj& obj, const char *name, bufferlist& dest)
+{
+ rgw_rados_ref ref;
+ int r = get_system_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ ObjectReadOperation op;
+
+ int rval;
+ op.getxattr(name, &dest, &rval);
+
+ r = ref.ioctx.operate(ref.oid, &op, NULL);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+int RGWRados::append_atomic_test(RGWObjectCtx *rctx,
+ const RGWBucketInfo& bucket_info, const rgw_obj& obj,
+ ObjectOperation& op, RGWObjState **pstate)
+{
+ if (!rctx)
+ return 0;
+
+ int r = get_obj_state(rctx, bucket_info, obj, pstate, false);
+ if (r < 0)
+ return r;
+
+ RGWObjState *state = *pstate;
+
+ if (!state->is_atomic) {
+ ldout(cct, 20) << "state for obj=" << obj << " is not atomic, not appending atomic test" << dendl;
+ return 0;
+ }
+
+ if (state->obj_tag.length() > 0 && !state->fake_tag) {// check for backward compatibility
+ op.cmpxattr(RGW_ATTR_ID_TAG, LIBRADOS_CMPXATTR_OP_EQ, state->obj_tag);
+ } else {
+ ldout(cct, 20) << "state->obj_tag is empty, not appending atomic test" << dendl;
+ }
+ return 0;
+}
+
+int RGWRados::Object::get_state(RGWObjState **pstate, bool follow_olh, bool assume_noent)
+{
+ return store->get_obj_state(&ctx, bucket_info, obj, pstate, follow_olh, assume_noent);
+}
+
+void RGWRados::Object::invalidate_state()
+{
+ ctx.obj.invalidate(obj);
+}
+
+void RGWRados::SystemObject::invalidate_state()
+{
+ ctx.raw.invalidate(obj);
+}
+
+int RGWRados::Object::prepare_atomic_modification(ObjectWriteOperation& op, bool reset_obj, const string *ptag,
+ const char *if_match, const char *if_nomatch, bool removal_op,
+ bool modify_tail)
+{
+ int r = get_state(&state, false);
+ if (r < 0)
+ return r;
+
+ bool need_guard = (state->has_manifest || (state->obj_tag.length() != 0) ||
+ if_match != NULL || if_nomatch != NULL) &&
+ (!state->fake_tag);
+
+ if (!state->is_atomic) {
+ ldout(store->ctx(), 20) << "prepare_atomic_modification: state is not atomic. state=" << (void *)state << dendl;
+
+ if (reset_obj) {
+ op.create(false);
+ store->remove_rgw_head_obj(op); // we're not dropping reference here, actually removing object
+ }
+
+ return 0;
+ }
+
+ if (need_guard) {
+ /* first verify that the object wasn't replaced under */
+ if (if_nomatch == NULL || strcmp(if_nomatch, "*") != 0) {
+ op.cmpxattr(RGW_ATTR_ID_TAG, LIBRADOS_CMPXATTR_OP_EQ, state->obj_tag);
+ // FIXME: need to add FAIL_NOTEXIST_OK for racing deletion
+ }
+
+ if (if_match) {
+ if (strcmp(if_match, "*") == 0) {
+ // test the object is existing
+ if (!state->exists) {
+ return -ERR_PRECONDITION_FAILED;
+ }
+ } else {
+ bufferlist bl;
+ if (!state->get_attr(RGW_ATTR_ETAG, bl) ||
+ strncmp(if_match, bl.c_str(), bl.length()) != 0) {
+ return -ERR_PRECONDITION_FAILED;
+ }
+ }
+ }
+
+ if (if_nomatch) {
+ if (strcmp(if_nomatch, "*") == 0) {
+ // test the object is NOT existing
+ if (state->exists) {
+ return -ERR_PRECONDITION_FAILED;
+ }
+ } else {
+ bufferlist bl;
+ if (!state->get_attr(RGW_ATTR_ETAG, bl) ||
+ strncmp(if_nomatch, bl.c_str(), bl.length()) == 0) {
+ return -ERR_PRECONDITION_FAILED;
+ }
+ }
+ }
+ }
+
+ if (reset_obj) {
+ if (state->exists) {
+ op.create(false);
+ store->remove_rgw_head_obj(op);
+ } else {
+ op.create(true);
+ }
+ }
+
+ if (removal_op) {
+ /* the object is being removed, no need to update its tag */
+ return 0;
+ }
+
+ if (ptag) {
+ state->write_tag = *ptag;
+ } else {
+ append_rand_alpha(store->ctx(), state->write_tag, state->write_tag, 32);
+ }
+ bufferlist bl;
+ bl.append(state->write_tag.c_str(), state->write_tag.size() + 1);
+
+ ldout(store->ctx(), 10) << "setting object write_tag=" << state->write_tag << dendl;
+
+ op.setxattr(RGW_ATTR_ID_TAG, bl);
+ if (modify_tail) {
+ op.setxattr(RGW_ATTR_TAIL_TAG, bl);
+ }
+
+ return 0;
+}
+
+int RGWRados::system_obj_set_attr(void *ctx, rgw_raw_obj& obj, const char *name, bufferlist& bl,
+ RGWObjVersionTracker *objv_tracker)
+{
+ map<string, bufferlist> attrs;
+ attrs[name] = bl;
+ return system_obj_set_attrs(ctx, obj, attrs, NULL, objv_tracker);
+}
+
+int RGWRados::system_obj_set_attrs(void *ctx, rgw_raw_obj& obj,
+ map<string, bufferlist>& attrs,
+ map<string, bufferlist>* rmattrs,
+ RGWObjVersionTracker *objv_tracker)
+{
+ rgw_rados_ref ref;
+ int r = get_system_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+ ObjectWriteOperation op;
+
+ if (objv_tracker) {
+ objv_tracker->prepare_op_for_write(&op);
+ }
+
+ map<string, bufferlist>::iterator iter;
+ if (rmattrs) {
+ for (iter = rmattrs->begin(); iter != rmattrs->end(); ++iter) {
+ const string& name = iter->first;
+ op.rmxattr(name.c_str());
+ }
+ }
+
+ for (iter = attrs.begin(); iter != attrs.end(); ++iter) {
+ const string& name = iter->first;
+ bufferlist& bl = iter->second;
+
+ if (!bl.length())
+ continue;
+
+ op.setxattr(name.c_str(), bl);
+ }
+
+ if (!op.size())
+ return 0;
+
+ bufferlist bl;
+
+ r = ref.ioctx.operate(ref.oid, &op);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+/**
+ * Set an attr on an object.
+ * bucket: name of the bucket holding the object
+ * obj: name of the object to set the attr on
+ * name: the attr to set
+ * bl: the contents of the attr
+ * Returns: 0 on success, -ERR# otherwise.
+ */
+int RGWRados::set_attr(void *ctx, const RGWBucketInfo& bucket_info, rgw_obj& obj, const char *name, bufferlist& bl)
+{
+ map<string, bufferlist> attrs;
+ attrs[name] = bl;
+ return set_attrs(ctx, bucket_info, obj, attrs, NULL);
+}
+
+int RGWRados::set_attrs(void *ctx, const RGWBucketInfo& bucket_info, rgw_obj& obj,
+ map<string, bufferlist>& attrs,
+ map<string, bufferlist>* rmattrs)
+{
+ rgw_rados_ref ref;
+ int r = get_obj_head_ref(bucket_info, obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+ RGWObjectCtx *rctx = static_cast<RGWObjectCtx *>(ctx);
+
+ ObjectWriteOperation op;
+ RGWObjState *state = NULL;
+
+ r = append_atomic_test(rctx, bucket_info, obj, op, &state);
+ if (r < 0)
+ return r;
+
+ map<string, bufferlist>::iterator iter;
+ if (rmattrs) {
+ for (iter = rmattrs->begin(); iter != rmattrs->end(); ++iter) {
+ const string& name = iter->first;
+ op.rmxattr(name.c_str());
+ }
+ }
+
+ const rgw_bucket& bucket = obj.bucket;
+
+ for (iter = attrs.begin(); iter != attrs.end(); ++iter) {
+ const string& name = iter->first;
+ bufferlist& bl = iter->second;
+
+ if (!bl.length())
+ continue;
+
+ op.setxattr(name.c_str(), bl);
+
+ if (name.compare(RGW_ATTR_DELETE_AT) == 0) {
+ real_time ts;
+ try {
+ ::decode(ts, bl);
+
+ rgw_obj_index_key obj_key;
+ obj.key.get_index_key(&obj_key);
+
+ objexp_hint_add(ts, bucket.tenant, bucket.name, bucket.bucket_id, obj_key);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: failed to decode " RGW_ATTR_DELETE_AT << " attr" << dendl;
+ }
+ }
+ }
+
+ if (!op.size())
+ return 0;
+
+ RGWObjectCtx obj_ctx(this);
+
+ bufferlist bl;
+ RGWRados::Bucket bop(this, bucket_info);
+ RGWRados::Bucket::UpdateIndex index_op(&bop, obj);
+
+ if (state) {
+ string tag;
+ append_rand_alpha(cct, tag, tag, 32);
+ state->write_tag = tag;
+ r = index_op.prepare(CLS_RGW_OP_ADD, &state->write_tag);
+
+ if (r < 0)
+ return r;
+
+ bl.append(tag.c_str(), tag.size() + 1);
+ op.setxattr(RGW_ATTR_ID_TAG, bl);
+ }
+
+
+ real_time mtime = real_clock::now();
+ struct timespec mtime_ts = real_clock::to_timespec(mtime);
+ op.mtime2(&mtime_ts);
+ r = ref.ioctx.operate(ref.oid, &op);
+ if (state) {
+ if (r >= 0) {
+ bufferlist acl_bl = attrs[RGW_ATTR_ACL];
+ bufferlist etag_bl = attrs[RGW_ATTR_ETAG];
+ bufferlist content_type_bl = attrs[RGW_ATTR_CONTENT_TYPE];
+ string etag(etag_bl.c_str(), etag_bl.length());
+ string content_type(content_type_bl.c_str(), content_type_bl.length());
+ uint64_t epoch = ref.ioctx.get_last_version();
+ int64_t poolid = ref.ioctx.get_id();
+ r = index_op.complete(poolid, epoch, state->size, state->accounted_size,
+ mtime, etag, content_type, &acl_bl,
+ RGW_OBJ_CATEGORY_MAIN, NULL);
+ } else {
+ int ret = index_op.cancel();
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: complete_update_index_cancel() returned ret=" << ret << dendl;
+ }
+ }
+ }
+ if (r < 0)
+ return r;
+
+ if (state) {
+ state->obj_tag.swap(bl);
+ if (rmattrs) {
+ for (iter = rmattrs->begin(); iter != rmattrs->end(); ++iter) {
+ state->attrset.erase(iter->first);
+ }
+ }
+ for (iter = attrs.begin(); iter != attrs.end(); ++iter) {
+ state->attrset[iter->first] = iter->second;
+ }
+ }
+
+ return 0;
+}
+
+int RGWRados::Object::Read::prepare()
+{
+ RGWRados *store = source->get_store();
+ CephContext *cct = store->ctx();
+
+ bufferlist etag;
+
+ map<string, bufferlist>::iterator iter;
+
+ RGWObjState *astate;
+ int r = source->get_state(&astate, true);
+ if (r < 0)
+ return r;
+
+ if (!astate->exists) {
+ return -ENOENT;
+ }
+
+ const RGWBucketInfo& bucket_info = source->get_bucket_info();
+
+ state.obj = astate->obj;
+ store->obj_to_raw(bucket_info.placement_rule, state.obj, &state.head_obj);
+
+ r = store->get_obj_head_ioctx(bucket_info, state.obj, &state.io_ctx);
+ if (r < 0) {
+ return r;
+ }
+ if (params.attrs) {
+ *params.attrs = astate->attrset;
+ if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20)) {
+ for (iter = params.attrs->begin(); iter != params.attrs->end(); ++iter) {
+ ldout(cct, 20) << "Read xattr: " << iter->first << dendl;
+ }
+ }
+ }
+
+ /* Convert all times go GMT to make them compatible */
+ if (conds.mod_ptr || conds.unmod_ptr) {
+ obj_time_weight src_weight;
+ src_weight.init(astate);
+ src_weight.high_precision = conds.high_precision_time;
+
+ obj_time_weight dest_weight;
+ dest_weight.high_precision = conds.high_precision_time;
+
+ if (conds.mod_ptr) {
+ dest_weight.init(*conds.mod_ptr, conds.mod_zone_id, conds.mod_pg_ver);
+ ldout(cct, 10) << "If-Modified-Since: " << dest_weight << " Last-Modified: " << src_weight << dendl;
+ if (!(dest_weight < src_weight)) {
+ return -ERR_NOT_MODIFIED;
+ }
+ }
+
+ if (conds.unmod_ptr) {
+ dest_weight.init(*conds.unmod_ptr, conds.mod_zone_id, conds.mod_pg_ver);
+ ldout(cct, 10) << "If-UnModified-Since: " << dest_weight << " Last-Modified: " << src_weight << dendl;
+ if (dest_weight < src_weight) {
+ return -ERR_PRECONDITION_FAILED;
+ }
+ }
+ }
+ if (conds.if_match || conds.if_nomatch) {
+ r = get_attr(RGW_ATTR_ETAG, etag);
+ if (r < 0)
+ return r;
+
+ if (conds.if_match) {
+ string if_match_str = rgw_string_unquote(conds.if_match);
+ ldout(cct, 10) << "ETag: " << etag.c_str() << " " << " If-Match: " << if_match_str << dendl;
+ if (if_match_str.compare(etag.c_str()) != 0) {
+ return -ERR_PRECONDITION_FAILED;
+ }
+ }
+
+ if (conds.if_nomatch) {
+ string if_nomatch_str = rgw_string_unquote(conds.if_nomatch);
+ ldout(cct, 10) << "ETag: " << etag.c_str() << " " << " If-NoMatch: " << if_nomatch_str << dendl;
+ if (if_nomatch_str.compare(etag.c_str()) == 0) {
+ return -ERR_NOT_MODIFIED;
+ }
+ }
+ }
+
+ if (params.obj_size)
+ *params.obj_size = astate->size;
+ if (params.lastmod)
+ *params.lastmod = astate->mtime;
+
+ return 0;
+}
+
+int RGWRados::Object::Read::range_to_ofs(uint64_t obj_size, int64_t &ofs, int64_t &end)
+{
+ if (ofs < 0) {
+ ofs += obj_size;
+ if (ofs < 0)
+ ofs = 0;
+ end = obj_size - 1;
+ } else if (end < 0) {
+ end = obj_size - 1;
+ }
+
+ if (obj_size > 0) {
+ if (ofs >= (off_t)obj_size) {
+ return -ERANGE;
+ }
+ if (end >= (off_t)obj_size) {
+ end = obj_size - 1;
+ }
+ }
+ return 0;
+}
+
+int RGWRados::SystemObject::get_state(RGWRawObjState **pstate, RGWObjVersionTracker *objv_tracker)
+{
+ return store->get_system_obj_state(&ctx, obj, pstate, objv_tracker);
+}
+
+int RGWRados::stat_system_obj(RGWObjectCtx& obj_ctx,
+ RGWRados::SystemObject::Read::GetObjState& state,
+ rgw_raw_obj& obj,
+ map<string, bufferlist> *attrs,
+ real_time *lastmod,
+ uint64_t *obj_size,
+ RGWObjVersionTracker *objv_tracker)
+{
+ RGWRawObjState *astate = NULL;
+
+ int r = get_system_obj_state(&obj_ctx, obj, &astate, objv_tracker);
+ if (r < 0)
+ return r;
+
+ if (!astate->exists) {
+ return -ENOENT;
+ }
+
+ if (attrs) {
+ *attrs = astate->attrset;
+ if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20)) {
+ map<string, bufferlist>::iterator iter;
+ for (iter = attrs->begin(); iter != attrs->end(); ++iter) {
+ ldout(cct, 20) << "Read xattr: " << iter->first << dendl;
+ }
+ }
+ }
+
+ if (obj_size)
+ *obj_size = astate->size;
+ if (lastmod)
+ *lastmod = astate->mtime;
+
+ return 0;
+}
+
+
+int RGWRados::Bucket::UpdateIndex::guard_reshard(BucketShard **pbs, std::function<int(BucketShard *)> call)
+{
+ RGWRados *store = target->get_store();
+ BucketShard *bs;
+ int r;
+
+#define NUM_RESHARD_RETRIES 10
+ for (int i = 0; i < NUM_RESHARD_RETRIES; ++i) {
+ int ret = get_bucket_shard(&bs);
+ if (ret < 0) {
+ ldout(store->ctx(), 5) << "failed to get BucketShard object: ret=" << ret << dendl;
+ return ret;
+ }
+ r = call(bs);
+ if (r != -ERR_BUSY_RESHARDING) {
+ break;
+ }
+ ldout(store->ctx(), 0) << "NOTICE: resharding operation on bucket index detected, blocking" << dendl;
+ string new_bucket_id;
+ r = store->block_while_resharding(bs, &new_bucket_id);
+ if (r == -ERR_BUSY_RESHARDING) {
+ continue;
+ }
+ if (r < 0) {
+ return r;
+ }
+ ldout(store->ctx(), 20) << "reshard completion identified, new_bucket_id=" << new_bucket_id << dendl;
+ i = 0; /* resharding is finished, make sure we can retry */
+ r = target->update_bucket_id(new_bucket_id);
+ if (r < 0) {
+ ldout(store->ctx(), 0) << "ERROR: update_bucket_id() new_bucket_id=" << new_bucket_id << " returned r=" << r << dendl;
+ return r;
+ }
+ invalidate_bs();
+ }
+
+ if (r < 0) {
+ return r;
+ }
+
+ if (pbs) {
+ *pbs = bs;
+ }
+
+ return 0;
+}
+
+int RGWRados::SystemObject::Read::stat(RGWObjVersionTracker *objv_tracker)
+{
+ RGWRados *store = source->get_store();
+ rgw_raw_obj& obj = source->get_obj();
+
+ return store->stat_system_obj(source->get_ctx(), state, obj, stat_params.attrs,
+ stat_params.lastmod, stat_params.obj_size, objv_tracker);
+}
+
+int RGWRados::Bucket::UpdateIndex::prepare(RGWModifyOp op, const string *write_tag)
+{
+ if (blind) {
+ return 0;
+ }
+ RGWRados *store = target->get_store();
+
+ if (write_tag && write_tag->length()) {
+ optag = string(write_tag->c_str(), write_tag->length());
+ } else {
+ if (optag.empty()) {
+ append_rand_alpha(store->ctx(), optag, optag, 32);
+ }
+ }
+
+ int r = guard_reshard(nullptr, [&](BucketShard *bs) -> int {
+ return store->cls_obj_prepare_op(*bs, op, optag, obj, bilog_flags, zones_trace);
+ });
+
+ if (r < 0) {
+ return r;
+ }
+ prepared = true;
+
+ return 0;
+}
+
+int RGWRados::Bucket::UpdateIndex::complete(int64_t poolid, uint64_t epoch,
+ uint64_t size, uint64_t accounted_size,
+ ceph::real_time& ut, const string& etag,
+ const string& content_type,
+ bufferlist *acl_bl,
+ RGWObjCategory category,
+ list<rgw_obj_index_key> *remove_objs, const string *user_data)
+{
+ if (blind) {
+ return 0;
+ }
+ RGWRados *store = target->get_store();
+ BucketShard *bs;
+
+ int ret = get_bucket_shard(&bs);
+ if (ret < 0) {
+ ldout(store->ctx(), 5) << "failed to get BucketShard object: ret=" << ret << dendl;
+ return ret;
+ }
+
+ rgw_bucket_dir_entry ent;
+ obj.key.get_index_key(&ent.key);
+ ent.meta.size = size;
+ ent.meta.accounted_size = accounted_size;
+ ent.meta.mtime = ut;
+ ent.meta.etag = etag;
+ if (user_data)
+ ent.meta.user_data = *user_data;
+
+ ACLOwner owner;
+ if (acl_bl && acl_bl->length()) {
+ int ret = store->decode_policy(*acl_bl, &owner);
+ if (ret < 0) {
+ ldout(store->ctx(), 0) << "WARNING: could not decode policy ret=" << ret << dendl;
+ }
+ }
+ ent.meta.owner = owner.get_id().to_str();
+ ent.meta.owner_display_name = owner.get_display_name();
+ ent.meta.content_type = content_type;
+
+ ret = store->cls_obj_complete_add(*bs, obj, optag, poolid, epoch, ent, category, remove_objs, bilog_flags, zones_trace);
+
+ if (target->bucket_info.datasync_flag_enabled()) {
+ int r = store->data_log->add_entry(bs->bucket, bs->shard_id);
+ if (r < 0) {
+ lderr(store->ctx()) << "ERROR: failed writing data log" << dendl;
+ }
+ }
+
+ return ret;
+}
+
+int RGWRados::Bucket::UpdateIndex::complete_del(int64_t poolid, uint64_t epoch,
+ real_time& removed_mtime,
+ list<rgw_obj_index_key> *remove_objs)
+{
+ if (blind) {
+ return 0;
+ }
+ RGWRados *store = target->get_store();
+ BucketShard *bs;
+
+ int ret = get_bucket_shard(&bs);
+ if (ret < 0) {
+ ldout(store->ctx(), 5) << "failed to get BucketShard object: ret=" << ret << dendl;
+ return ret;
+ }
+
+ ret = store->cls_obj_complete_del(*bs, optag, poolid, epoch, obj, removed_mtime, remove_objs, bilog_flags, zones_trace);
+
+ if (target->bucket_info.datasync_flag_enabled()) {
+ int r = store->data_log->add_entry(bs->bucket, bs->shard_id);
+ if (r < 0) {
+ lderr(store->ctx()) << "ERROR: failed writing data log" << dendl;
+ }
+ }
+
+ return ret;
+}
+
+
+int RGWRados::Bucket::UpdateIndex::cancel()
+{
+ if (blind) {
+ return 0;
+ }
+ RGWRados *store = target->get_store();
+ BucketShard *bs;
+
+ int ret = guard_reshard(&bs, [&](BucketShard *bs) -> int {
+ return store->cls_obj_complete_cancel(*bs, optag, obj, bilog_flags, zones_trace);
+ });
+
+ /*
+ * need to update data log anyhow, so that whoever follows needs to update its internal markers
+ * for following the specific bucket shard log. Otherwise they end up staying behind, and users
+ * have no way to tell that they're all caught up
+ */
+ if (target->bucket_info.datasync_flag_enabled()) {
+ int r = store->data_log->add_entry(bs->bucket, bs->shard_id);
+ if (r < 0) {
+ lderr(store->ctx()) << "ERROR: failed writing data log" << dendl;
+ }
+ }
+
+ return ret;
+}
+
+int RGWRados::Object::Read::read(int64_t ofs, int64_t end, bufferlist& bl)
+{
+ RGWRados *store = source->get_store();
+ CephContext *cct = store->ctx();
+
+ rgw_raw_obj read_obj;
+ uint64_t read_ofs = ofs;
+ uint64_t len, read_len;
+ bool reading_from_head = true;
+ ObjectReadOperation op;
+
+ bool merge_bl = false;
+ bufferlist *pbl = &bl;
+ bufferlist read_bl;
+ uint64_t max_chunk_size;
+
+ RGWObjState *astate;
+ int r = source->get_state(&astate, true);
+ if (r < 0)
+ return r;
+
+ if (end < 0)
+ len = 0;
+ else
+ len = end - ofs + 1;
+
+ if (astate->has_manifest && astate->manifest.has_tail()) {
+ /* now get the relevant object part */
+ RGWObjManifest::obj_iterator iter = astate->manifest.obj_find(ofs);
+
+ uint64_t stripe_ofs = iter.get_stripe_ofs();
+ read_obj = iter.get_location().get_raw_obj(store);
+ len = min(len, iter.get_stripe_size() - (ofs - stripe_ofs));
+ read_ofs = iter.location_ofs() + (ofs - stripe_ofs);
+ reading_from_head = (read_obj == state.head_obj);
+ } else {
+ read_obj = state.head_obj;
+ }
+
+ r = store->get_max_chunk_size(read_obj.pool, &max_chunk_size);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: failed to get max_chunk_size() for pool " << read_obj.pool << dendl;
+ return r;
+ }
+
+ if (len > max_chunk_size)
+ len = max_chunk_size;
+
+
+ state.io_ctx.locator_set_key(read_obj.loc);
+
+ read_len = len;
+
+ if (reading_from_head) {
+ /* only when reading from the head object do we need to do the atomic test */
+ r = store->append_atomic_test(&source->get_ctx(), source->get_bucket_info(), state.obj, op, &astate);
+ if (r < 0)
+ return r;
+
+ if (astate && astate->prefetch_data) {
+ if (!ofs && astate->data.length() >= len) {
+ bl = astate->data;
+ return bl.length();
+ }
+
+ if (ofs < astate->data.length()) {
+ unsigned copy_len = min((uint64_t)astate->data.length() - ofs, len);
+ astate->data.copy(ofs, copy_len, bl);
+ read_len -= copy_len;
+ read_ofs += copy_len;
+ if (!read_len)
+ return bl.length();
+
+ merge_bl = true;
+ pbl = &read_bl;
+ }
+ }
+ }
+
+ ldout(cct, 20) << "rados->read obj-ofs=" << ofs << " read_ofs=" << read_ofs << " read_len=" << read_len << dendl;
+ op.read(read_ofs, read_len, pbl, NULL);
+
+ r = state.io_ctx.operate(read_obj.oid, &op, NULL);
+ ldout(cct, 20) << "rados->read r=" << r << " bl.length=" << bl.length() << dendl;
+
+ if (r < 0) {
+ return r;
+ }
+
+ if (merge_bl) {
+ bl.append(read_bl);
+ }
+
+ return bl.length();
+}
+
+int RGWRados::SystemObject::Read::GetObjState::get_ref(RGWRados *store, rgw_raw_obj& obj, rgw_rados_ref **pref)
+{
+ if (!has_ref) {
+ int r = store->get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+ has_ref = true;
+ }
+ *pref = &ref;
+ return 0;
+
+}
+
+int RGWRados::get_system_obj(RGWObjectCtx& obj_ctx, RGWRados::SystemObject::Read::GetObjState& read_state,
+ RGWObjVersionTracker *objv_tracker, rgw_raw_obj& obj,
+ bufferlist& bl, off_t ofs, off_t end,
+ map<string, bufferlist> *attrs,
+ rgw_cache_entry_info *cache_info)
+{
+ uint64_t len;
+ ObjectReadOperation op;
+
+ if (end < 0)
+ len = 0;
+ else
+ len = end - ofs + 1;
+
+ if (objv_tracker) {
+ objv_tracker->prepare_op_for_read(&op);
+ }
+
+ ldout(cct, 20) << "rados->read ofs=" << ofs << " len=" << len << dendl;
+ op.read(ofs, len, &bl, NULL);
+
+ if (attrs) {
+ op.getxattrs(attrs, NULL);
+ }
+
+ rgw_rados_ref *ref;
+ int r = read_state.get_ref(this, obj, &ref);
+ if (r < 0) {
+ ldout(cct, 20) << "read_state.get_ref() on obj=" << obj << " returned " << r << dendl;
+ return r;
+ }
+ r = ref->ioctx.operate(ref->oid, &op, NULL);
+ if (r < 0) {
+ ldout(cct, 20) << "rados->read r=" << r << " bl.length=" << bl.length() << dendl;
+ return r;
+ }
+ ldout(cct, 20) << "rados->read r=" << r << " bl.length=" << bl.length() << dendl;
+
+ uint64_t op_ver = ref->ioctx.get_last_version();
+
+ if (read_state.last_ver > 0 &&
+ read_state.last_ver != op_ver) {
+ ldout(cct, 5) << "raced with an object write, abort" << dendl;
+ return -ECANCELED;
+ }
+
+ read_state.last_ver = op_ver;
+
+ return bl.length();
+}
+
+int RGWRados::SystemObject::Read::read(int64_t ofs, int64_t end, bufferlist& bl, RGWObjVersionTracker *objv_tracker)
+{
+ RGWRados *store = source->get_store();
+ rgw_raw_obj& obj = source->get_obj();
+
+ return store->get_system_obj(source->get_ctx(), state, objv_tracker, obj, bl, ofs, end, read_params.attrs, read_params.cache_info);
+}
+
+int RGWRados::SystemObject::Read::get_attr(const char *name, bufferlist& dest)
+{
+ RGWRados *store = source->get_store();
+ rgw_raw_obj& obj = source->get_obj();
+
+ return store->system_obj_get_attr(obj, name, dest);
+}
+
+struct get_obj_data;
+
+struct get_obj_aio_data {
+ struct get_obj_data *op_data;
+ off_t ofs;
+ off_t len;
+};
+
+struct get_obj_io {
+ off_t len;
+ bufferlist bl;
+};
+
+static void _get_obj_aio_completion_cb(completion_t cb, void *arg);
+
+struct get_obj_data : public RefCountedObject {
+ CephContext *cct;
+ RGWRados *rados;
+ RGWObjectCtx *ctx;
+ IoCtx io_ctx;
+ map<off_t, get_obj_io> io_map;
+ map<off_t, librados::AioCompletion *> completion_map;
+ uint64_t total_read;
+ Mutex lock;
+ Mutex data_lock;
+ list<get_obj_aio_data> aio_data;
+ RGWGetDataCB *client_cb;
+ std::atomic<bool> cancelled = { false };
+ std::atomic<int64_t> err_code = { 0 };
+ Throttle throttle;
+ list<bufferlist> read_list;
+
+ explicit get_obj_data(CephContext *_cct)
+ : cct(_cct),
+ rados(NULL), ctx(NULL),
+ total_read(0), lock("get_obj_data"), data_lock("get_obj_data::data_lock"),
+ client_cb(NULL),
+ throttle(cct, "get_obj_data", cct->_conf->rgw_get_obj_window_size, false) {}
+ ~get_obj_data() override { }
+ void set_cancelled(int r) {
+ cancelled = true;
+ err_code = r;
+ }
+
+ bool is_cancelled() {
+ return cancelled;
+ }
+
+ int get_err_code() {
+ return err_code;
+ }
+
+ int wait_next_io(bool *done) {
+ lock.Lock();
+ map<off_t, librados::AioCompletion *>::iterator iter = completion_map.begin();
+ if (iter == completion_map.end()) {
+ *done = true;
+ lock.Unlock();
+ return 0;
+ }
+ off_t cur_ofs = iter->first;
+ librados::AioCompletion *c = iter->second;
+ lock.Unlock();
+
+ c->wait_for_safe_and_cb();
+ int r = c->get_return_value();
+
+ lock.Lock();
+ completion_map.erase(cur_ofs);
+
+ if (completion_map.empty()) {
+ *done = true;
+ }
+ lock.Unlock();
+
+ c->release();
+
+ return r;
+ }
+
+ void add_io(off_t ofs, off_t len, bufferlist **pbl, AioCompletion **pc) {
+ Mutex::Locker l(lock);
+
+ const auto& io_iter = io_map.insert(
+ map<off_t, get_obj_io>::value_type(ofs, get_obj_io()));
+
+ assert(io_iter.second); // assert new insertion
+
+ get_obj_io& io = (io_iter.first)->second;
+ *pbl = &io.bl;
+
+ struct get_obj_aio_data aio;
+ aio.ofs = ofs;
+ aio.len = len;
+ aio.op_data = this;
+
+ aio_data.push_back(aio);
+
+ struct get_obj_aio_data *paio_data = &aio_data.back(); /* last element */
+
+ librados::AioCompletion *c = librados::Rados::aio_create_completion((void *)paio_data, NULL, _get_obj_aio_completion_cb);
+ completion_map[ofs] = c;
+
+ *pc = c;
+
+ /* we have a reference per IO, plus one reference for the calling function.
+ * reference is dropped for each callback, plus when we're done iterating
+ * over the parts */
+ get();
+ }
+
+ void cancel_io(off_t ofs) {
+ ldout(cct, 20) << "get_obj_data::cancel_io() ofs=" << ofs << dendl;
+ lock.Lock();
+ map<off_t, AioCompletion *>::iterator iter = completion_map.find(ofs);
+ if (iter != completion_map.end()) {
+ AioCompletion *c = iter->second;
+ c->release();
+ completion_map.erase(ofs);
+ io_map.erase(ofs);
+ }
+ lock.Unlock();
+
+ /* we don't drop a reference here -- e.g., not calling d->put(), because we still
+ * need IoCtx to live, as io callback may still be called
+ */
+ }
+
+ void cancel_all_io() {
+ ldout(cct, 20) << "get_obj_data::cancel_all_io()" << dendl;
+ Mutex::Locker l(lock);
+ for (map<off_t, librados::AioCompletion *>::iterator iter = completion_map.begin();
+ iter != completion_map.end(); ++iter) {
+ librados::AioCompletion *c = iter->second;
+ c->release();
+ }
+ }
+
+ int get_complete_ios(off_t ofs, list<bufferlist>& bl_list) {
+ Mutex::Locker l(lock);
+
+ map<off_t, get_obj_io>::iterator liter = io_map.begin();
+
+ if (liter == io_map.end() ||
+ liter->first != ofs) {
+ return 0;
+ }
+
+ map<off_t, librados::AioCompletion *>::iterator aiter;
+ aiter = completion_map.find(ofs);
+ if (aiter == completion_map.end()) {
+ /* completion map does not hold this io, it was cancelled */
+ return 0;
+ }
+
+ AioCompletion *completion = aiter->second;
+ int r = completion->get_return_value();
+ if (r < 0)
+ return r;
+
+ for (; aiter != completion_map.end(); ++aiter) {
+ completion = aiter->second;
+ if (!completion->is_safe()) {
+ /* reached a request that is not yet complete, stop */
+ break;
+ }
+
+ r = completion->get_return_value();
+ if (r < 0) {
+ set_cancelled(r); /* mark it as cancelled, so that we don't continue processing next operations */
+ return r;
+ }
+
+ total_read += r;
+
+ map<off_t, get_obj_io>::iterator old_liter = liter++;
+ bl_list.push_back(old_liter->second.bl);
+ io_map.erase(old_liter);
+ }
+
+ return 0;
+ }
+};
+
+static int _get_obj_iterate_cb(const RGWBucketInfo& bucket_info, const rgw_obj& obj, const rgw_raw_obj& read_obj, off_t obj_ofs, off_t read_ofs, off_t len, bool is_head_obj, RGWObjState *astate, void *arg)
+{
+ struct get_obj_data *d = (struct get_obj_data *)arg;
+
+ return d->rados->get_obj_iterate_cb(d->ctx, astate, bucket_info, obj, read_obj, obj_ofs, read_ofs, len, is_head_obj, arg);
+}
+
+static void _get_obj_aio_completion_cb(completion_t cb, void *arg)
+{
+ struct get_obj_aio_data *aio_data = (struct get_obj_aio_data *)arg;
+ struct get_obj_data *d = aio_data->op_data;
+
+ d->rados->get_obj_aio_completion_cb(cb, arg);
+}
+
+
+void RGWRados::get_obj_aio_completion_cb(completion_t c, void *arg)
+{
+ struct get_obj_aio_data *aio_data = (struct get_obj_aio_data *)arg;
+ struct get_obj_data *d = aio_data->op_data;
+ off_t ofs = aio_data->ofs;
+ off_t len = aio_data->len;
+
+ list<bufferlist> bl_list;
+ list<bufferlist>::iterator iter;
+ int r;
+
+ ldout(cct, 20) << "get_obj_aio_completion_cb: io completion ofs=" << ofs << " len=" << len << dendl;
+ d->throttle.put(len);
+
+ r = rados_aio_get_return_value(c);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: got unexpected error when trying to read object: " << r << dendl;
+ d->set_cancelled(r);
+ goto done;
+ }
+
+ if (d->is_cancelled()) {
+ goto done;
+ }
+
+ d->data_lock.Lock();
+
+ r = d->get_complete_ios(ofs, bl_list);
+ if (r < 0) {
+ goto done_unlock;
+ }
+
+ d->read_list.splice(d->read_list.end(), bl_list);
+
+done_unlock:
+ d->data_lock.Unlock();
+done:
+ d->put();
+ return;
+}
+
+int RGWRados::flush_read_list(struct get_obj_data *d)
+{
+ d->data_lock.Lock();
+ list<bufferlist> l;
+ l.swap(d->read_list);
+ d->get();
+ d->read_list.clear();
+
+ d->data_lock.Unlock();
+
+ int r = 0;
+
+ list<bufferlist>::iterator iter;
+ for (iter = l.begin(); iter != l.end(); ++iter) {
+ bufferlist& bl = *iter;
+ r = d->client_cb->handle_data(bl, 0, bl.length());
+ if (r < 0) {
+ dout(0) << "ERROR: flush_read_list(): d->client_cb->handle_data() returned " << r << dendl;
+ break;
+ }
+ }
+
+ d->data_lock.Lock();
+ d->put();
+ if (r < 0) {
+ d->set_cancelled(r);
+ }
+ d->data_lock.Unlock();
+ return r;
+}
+
+int RGWRados::get_obj_iterate_cb(RGWObjectCtx *ctx, RGWObjState *astate,
+ const RGWBucketInfo& bucket_info,
+ const rgw_obj& obj,
+ const rgw_raw_obj& read_obj,
+ off_t obj_ofs,
+ off_t read_ofs, off_t len,
+ bool is_head_obj, void *arg)
+{
+ RGWObjectCtx *rctx = static_cast<RGWObjectCtx *>(ctx);
+ ObjectReadOperation op;
+ struct get_obj_data *d = (struct get_obj_data *)arg;
+ string oid, key;
+ bufferlist *pbl;
+ AioCompletion *c;
+
+ int r;
+
+ if (is_head_obj) {
+ /* only when reading from the head object do we need to do the atomic test */
+ r = append_atomic_test(rctx, bucket_info, obj, op, &astate);
+ if (r < 0)
+ return r;
+
+ if (astate &&
+ obj_ofs < astate->data.length()) {
+ unsigned chunk_len = min((uint64_t)astate->data.length() - obj_ofs, (uint64_t)len);
+
+ d->data_lock.Lock();
+ r = d->client_cb->handle_data(astate->data, obj_ofs, chunk_len);
+ d->data_lock.Unlock();
+ if (r < 0)
+ return r;
+
+ d->lock.Lock();
+ d->total_read += chunk_len;
+ d->lock.Unlock();
+
+ len -= chunk_len;
+ read_ofs += chunk_len;
+ obj_ofs += chunk_len;
+ if (!len)
+ return 0;
+ }
+ }
+
+ d->throttle.get(len);
+ if (d->is_cancelled()) {
+ return d->get_err_code();
+ }
+
+ /* add io after we check that we're not cancelled, otherwise we're going to have trouble
+ * cleaning up
+ */
+ d->add_io(obj_ofs, len, &pbl, &c);
+
+ ldout(cct, 20) << "rados->get_obj_iterate_cb oid=" << read_obj.oid << " obj-ofs=" << obj_ofs << " read_ofs=" << read_ofs << " len=" << len << dendl;
+ op.read(read_ofs, len, pbl, NULL);
+
+ librados::IoCtx io_ctx(d->io_ctx);
+ io_ctx.locator_set_key(read_obj.loc);
+
+ r = io_ctx.aio_operate(read_obj.oid, c, &op, NULL);
+ if (r < 0) {
+ ldout(cct, 0) << "rados->aio_operate r=" << r << dendl;
+ goto done_err;
+ }
+
+ // Flush data to client if there is any
+ r = flush_read_list(d);
+ if (r < 0)
+ return r;
+
+ return 0;
+
+done_err:
+ ldout(cct, 20) << "cancelling io r=" << r << " obj_ofs=" << obj_ofs << dendl;
+ d->set_cancelled(r);
+ d->cancel_io(obj_ofs);
+
+ return r;
+}
+
+int RGWRados::Object::Read::iterate(int64_t ofs, int64_t end, RGWGetDataCB *cb)
+{
+ RGWRados *store = source->get_store();
+ CephContext *cct = store->ctx();
+
+ struct get_obj_data *data = new get_obj_data(cct);
+ bool done = false;
+
+ RGWObjectCtx& obj_ctx = source->get_ctx();
+
+ data->rados = store;
+ data->io_ctx.dup(state.io_ctx);
+ data->client_cb = cb;
+
+ int r = store->iterate_obj(obj_ctx, source->get_bucket_info(), state.obj, ofs, end, cct->_conf->rgw_get_obj_max_req_size, _get_obj_iterate_cb, (void *)data);
+ if (r < 0) {
+ data->cancel_all_io();
+ goto done;
+ }
+
+ while (!done) {
+ r = data->wait_next_io(&done);
+ if (r < 0) {
+ dout(10) << "get_obj_iterate() r=" << r << ", canceling all io" << dendl;
+ data->cancel_all_io();
+ break;
+ }
+ r = store->flush_read_list(data);
+ if (r < 0) {
+ dout(10) << "get_obj_iterate() r=" << r << ", canceling all io" << dendl;
+ data->cancel_all_io();
+ break;
+ }
+ }
+
+done:
+ data->put();
+ return r;
+}
+
+int RGWRados::iterate_obj(RGWObjectCtx& obj_ctx,
+ const RGWBucketInfo& bucket_info, const rgw_obj& obj,
+ off_t ofs, off_t end,
+ uint64_t max_chunk_size,
+ int (*iterate_obj_cb)(const RGWBucketInfo&, const rgw_obj& obj,
+ const rgw_raw_obj&, off_t, off_t, off_t, bool,
+ RGWObjState *, void *),
+ void *arg)
+{
+ rgw_raw_obj head_obj;
+ rgw_raw_obj read_obj;
+ uint64_t read_ofs = ofs;
+ uint64_t len;
+ bool reading_from_head = true;
+ RGWObjState *astate = NULL;
+
+ obj_to_raw(bucket_info.placement_rule, obj, &head_obj);
+
+ int r = get_obj_state(&obj_ctx, bucket_info, obj, &astate, false);
+ if (r < 0) {
+ return r;
+ }
+
+ if (end < 0)
+ len = 0;
+ else
+ len = end - ofs + 1;
+
+ if (astate->has_manifest) {
+ /* now get the relevant object stripe */
+ RGWObjManifest::obj_iterator iter = astate->manifest.obj_find(ofs);
+
+ RGWObjManifest::obj_iterator obj_end = astate->manifest.obj_end();
+
+ for (; iter != obj_end && ofs <= end; ++iter) {
+ off_t stripe_ofs = iter.get_stripe_ofs();
+ off_t next_stripe_ofs = stripe_ofs + iter.get_stripe_size();
+
+ while (ofs < next_stripe_ofs && ofs <= end) {
+ read_obj = iter.get_location().get_raw_obj(this);
+ uint64_t read_len = min(len, iter.get_stripe_size() - (ofs - stripe_ofs));
+ read_ofs = iter.location_ofs() + (ofs - stripe_ofs);
+
+ if (read_len > max_chunk_size) {
+ read_len = max_chunk_size;
+ }
+
+ reading_from_head = (read_obj == head_obj);
+ r = iterate_obj_cb(bucket_info, obj, read_obj, ofs, read_ofs, read_len, reading_from_head, astate, arg);
+ if (r < 0) {
+ return r;
+ }
+
+ len -= read_len;
+ ofs += read_len;
+ }
+ }
+ } else {
+ while (ofs <= end) {
+ read_obj = head_obj;
+ uint64_t read_len = min(len, max_chunk_size);
+
+ r = iterate_obj_cb(bucket_info, obj, read_obj, ofs, ofs, read_len, reading_from_head, astate, arg);
+ if (r < 0) {
+ return r;
+ }
+
+ len -= read_len;
+ ofs += read_len;
+ }
+ }
+
+ return 0;
+}
+
+int RGWRados::obj_operate(const RGWBucketInfo& bucket_info, const rgw_obj& obj, ObjectWriteOperation *op)
+{
+ rgw_rados_ref ref;
+ int r = get_obj_head_ref(bucket_info, obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ return ref.ioctx.operate(ref.oid, op);
+}
+
+int RGWRados::obj_operate(const RGWBucketInfo& bucket_info, const rgw_obj& obj, ObjectReadOperation *op)
+{
+ rgw_rados_ref ref;
+ int r = get_obj_head_ref(bucket_info, obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ bufferlist outbl;
+
+ return ref.ioctx.operate(ref.oid, op, &outbl);
+}
+
+int RGWRados::olh_init_modification_impl(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& olh_obj, string *op_tag)
+{
+ ObjectWriteOperation op;
+
+ assert(olh_obj.key.instance.empty());
+
+ bool has_tag = (state.exists && has_olh_tag(state.attrset));
+
+ if (!state.exists) {
+ op.create(true);
+ } else {
+ op.assert_exists();
+ }
+
+ /*
+ * 3 possible cases: olh object doesn't exist, it exists as an olh, it exists as a regular object.
+ * If it exists as a regular object we'll need to transform it into an olh. We'll do it in two
+ * steps, first change its tag and set the olh pending attrs. Once write is done we'll need to
+ * truncate it, remove extra attrs, and send it to the garbage collection. The bucket index olh
+ * log will reflect that.
+ *
+ * Need to generate separate olh and obj tags, as olh can be colocated with object data. obj_tag
+ * is used for object data instance, olh_tag for olh instance.
+ */
+ if (has_tag) {
+ /* guard against racing writes */
+ bucket_index_guard_olh_op(state, op);
+ }
+
+ if (!has_tag) {
+ /* obj tag */
+ string obj_tag;
+ int ret = gen_rand_alphanumeric_lower(cct, &obj_tag, 32);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: gen_rand_alphanumeric_lower() returned ret=" << ret << dendl;
+ return ret;
+ }
+ bufferlist bl;
+ bl.append(obj_tag.c_str(), obj_tag.size());
+ op.setxattr(RGW_ATTR_ID_TAG, bl);
+
+ state.attrset[RGW_ATTR_ID_TAG] = bl;
+ state.obj_tag = bl;
+
+ /* olh tag */
+ string olh_tag;
+ ret = gen_rand_alphanumeric_lower(cct, &olh_tag, 32);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: gen_rand_alphanumeric_lower() returned ret=" << ret << dendl;
+ return ret;
+ }
+ bufferlist olh_bl;
+ olh_bl.append(olh_tag.c_str(), olh_tag.size());
+ op.setxattr(RGW_ATTR_OLH_ID_TAG, olh_bl);
+
+ state.attrset[RGW_ATTR_OLH_ID_TAG] = olh_bl;
+ state.olh_tag = olh_bl;
+ state.is_olh = true;
+
+ bufferlist verbl;
+ op.setxattr(RGW_ATTR_OLH_VER, verbl);
+ }
+
+ bufferlist bl;
+ RGWOLHPendingInfo pending_info;
+ pending_info.time = real_clock::now();
+ ::encode(pending_info, bl);
+
+#define OLH_PENDING_TAG_LEN 32
+ /* tag will start with current time epoch, this so that entries are sorted by time */
+ char buf[32];
+ utime_t ut(pending_info.time);
+ snprintf(buf, sizeof(buf), "%016llx", (unsigned long long)ut.sec());
+ *op_tag = buf;
+
+ string s;
+ int ret = gen_rand_alphanumeric_lower(cct, &s, OLH_PENDING_TAG_LEN - op_tag->size());
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: gen_rand_alphanumeric_lower() returned ret=" << ret << dendl;
+ return ret;
+ }
+ op_tag->append(s);
+
+ string attr_name = RGW_ATTR_OLH_PENDING_PREFIX;
+ attr_name.append(*op_tag);
+
+ op.setxattr(attr_name.c_str(), bl);
+
+ ret = obj_operate(bucket_info, olh_obj, &op);
+ if (ret < 0) {
+ return ret;
+ }
+
+ state.exists = true;
+ state.attrset[attr_name] = bl;
+
+ return 0;
+}
+
+int RGWRados::olh_init_modification(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& obj, string *op_tag)
+{
+ int ret;
+
+ ret = olh_init_modification_impl(bucket_info, state, obj, op_tag);
+ if (ret == -EEXIST) {
+ ret = -ECANCELED;
+ }
+
+ return ret;
+}
+
+int RGWRados::guard_reshard(BucketShard *bs, const rgw_obj& obj_instance, std::function<int(BucketShard *)> call)
+{
+ rgw_obj obj;
+ const rgw_obj *pobj = &obj_instance;
+ int r;
+
+ for (int i = 0; i < NUM_RESHARD_RETRIES; ++i) {
+ r = bs->init(pobj->bucket, *pobj);
+ if (r < 0) {
+ ldout(cct, 5) << "bs.init() returned ret=" << r << dendl;
+ return r;
+ }
+ r = call(bs);
+ if (r != -ERR_BUSY_RESHARDING) {
+ break;
+ }
+ ldout(cct, 0) << "NOTICE: resharding operation on bucket index detected, blocking" << dendl;
+ string new_bucket_id;
+ r = block_while_resharding(bs, &new_bucket_id);
+ if (r == -ERR_BUSY_RESHARDING) {
+ continue;
+ }
+ if (r < 0) {
+ return r;
+ }
+ ldout(cct, 20) << "reshard completion identified, new_bucket_id=" << new_bucket_id << dendl;
+ i = 0; /* resharding is finished, make sure we can retry */
+
+ obj = *pobj;
+ obj.bucket.update_bucket_id(new_bucket_id);
+ pobj = &obj;
+ }
+
+ if (r < 0) {
+ return r;
+ }
+
+ return 0;
+}
+
+int RGWRados::block_while_resharding(RGWRados::BucketShard *bs, string *new_bucket_id)
+{
+ std::shared_ptr<RGWReshardWait> waiter = reshard_wait;
+
+ return waiter->block_while_resharding(bs, new_bucket_id);
+}
+
+int RGWRados::bucket_index_link_olh(const RGWBucketInfo& bucket_info, RGWObjState& olh_state, const rgw_obj& obj_instance,
+ bool delete_marker,
+ const string& op_tag,
+ struct rgw_bucket_dir_entry_meta *meta,
+ uint64_t olh_epoch,
+ real_time unmod_since, bool high_precision_time, rgw_zone_set *_zones_trace)
+{
+ rgw_rados_ref ref;
+ int r = get_obj_head_ref(bucket_info, obj_instance, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ rgw_zone_set zones_trace;
+ if (_zones_trace) {
+ zones_trace = *_zones_trace;
+ } else {
+ zones_trace.insert(get_zone().id);
+ }
+
+ BucketShard bs(this);
+
+ cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), obj_instance.key.instance);
+ r = guard_reshard(&bs, obj_instance, [&](BucketShard *bs) -> int {
+ librados::ObjectWriteOperation op;
+ cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING);
+ return cls_rgw_bucket_link_olh(bs->index_ctx, op,
+ bs->bucket_obj, key, olh_state.olh_tag, delete_marker, op_tag, meta, olh_epoch,
+ unmod_since, high_precision_time,
+ get_zone().log_data, zones_trace);
+ });
+ if (r < 0) {
+ ldout(cct, 20) << "cls_rgw_bucket_link_olh() returned r=" << r << dendl;
+ return r;
+ }
+
+ return 0;
+}
+
+void RGWRados::bucket_index_guard_olh_op(RGWObjState& olh_state, ObjectOperation& op)
+{
+ ldout(cct, 20) << __func__ << "(): olh_state.olh_tag=" << string(olh_state.olh_tag.c_str(), olh_state.olh_tag.length()) << dendl;
+ op.cmpxattr(RGW_ATTR_OLH_ID_TAG, CEPH_OSD_CMPXATTR_OP_EQ, olh_state.olh_tag);
+}
+
+int RGWRados::bucket_index_unlink_instance(const RGWBucketInfo& bucket_info, const rgw_obj& obj_instance,
+ const string& op_tag, const string& olh_tag, uint64_t olh_epoch, rgw_zone_set *_zones_trace)
+{
+ rgw_rados_ref ref;
+ int r = get_obj_head_ref(bucket_info, obj_instance, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ rgw_zone_set zones_trace;
+ if (_zones_trace) {
+ zones_trace = *_zones_trace;
+ }
+ zones_trace.insert(get_zone().id);
+
+ BucketShard bs(this);
+
+ cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), obj_instance.key.instance);
+ r = guard_reshard(&bs, obj_instance, [&](BucketShard *bs) -> int {
+ librados::ObjectWriteOperation op;
+ cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING);
+ return cls_rgw_bucket_unlink_instance(bs->index_ctx, op, bs->bucket_obj, key, op_tag,
+ olh_tag, olh_epoch, get_zone().log_data, zones_trace);
+ });
+ if (r < 0) {
+ ldout(cct, 20) << "cls_rgw_bucket_link_olh() returned r=" << r << dendl;
+ return r;
+ }
+
+ return 0;
+}
+
+int RGWRados::bucket_index_read_olh_log(const RGWBucketInfo& bucket_info, RGWObjState& state,
+ const rgw_obj& obj_instance, uint64_t ver_marker,
+ map<uint64_t, vector<rgw_bucket_olh_log_entry> > *log,
+ bool *is_truncated)
+{
+ rgw_rados_ref ref;
+ int r = get_obj_head_ref(bucket_info, obj_instance, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ BucketShard bs(this);
+ int ret = bs.init(obj_instance.bucket, obj_instance);
+ if (ret < 0) {
+ ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl;
+ return ret;
+ }
+
+ string olh_tag(state.olh_tag.c_str(), state.olh_tag.length());
+
+ cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), string());
+
+ ret = guard_reshard(&bs, obj_instance, [&](BucketShard *bs) -> int {
+ ObjectReadOperation op;
+ cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING);
+ return cls_rgw_get_olh_log(bs->index_ctx, bs->bucket_obj, op,
+ key, ver_marker, olh_tag, log, is_truncated);
+ });
+ if (ret < 0) {
+ ldout(cct, 20) << "cls_rgw_get_olh_log() returned r=" << r << dendl;
+ return ret;
+ }
+
+ return 0;
+}
+
+int RGWRados::bucket_index_trim_olh_log(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& obj_instance, uint64_t ver)
+{
+ rgw_rados_ref ref;
+ int r = get_obj_head_ref(bucket_info, obj_instance, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ BucketShard bs(this);
+ int ret = bs.init(obj_instance.bucket, obj_instance);
+ if (ret < 0) {
+ ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl;
+ return ret;
+ }
+
+ string olh_tag(state.olh_tag.c_str(), state.olh_tag.length());
+
+ cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), string());
+
+ ret = guard_reshard(&bs, obj_instance, [&](BucketShard *pbs) -> int {
+ ObjectWriteOperation op;
+ cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING);
+ cls_rgw_trim_olh_log(op, key, ver, olh_tag);
+ return pbs->index_ctx.operate(pbs->bucket_obj, &op);
+ });
+ if (ret < 0) {
+ ldout(cct, 20) << "cls_rgw_trim_olh_log() returned r=" << ret << dendl;
+ return ret;
+ }
+
+ return 0;
+}
+
+int RGWRados::bucket_index_clear_olh(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& obj_instance)
+{
+ rgw_rados_ref ref;
+ int r = get_obj_head_ref(bucket_info, obj_instance, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ BucketShard bs(this);
+
+ string olh_tag(state.olh_tag.c_str(), state.olh_tag.length());
+
+ cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), string());
+
+ int ret = guard_reshard(&bs, obj_instance, [&](BucketShard *pbs) -> int {
+ ObjectWriteOperation op;
+ cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING);
+ return cls_rgw_clear_olh(pbs->index_ctx, op, pbs->bucket_obj, key, olh_tag);
+ });
+ if (ret < 0) {
+ ldout(cct, 5) << "cls_rgw_clear_olh() returned ret=" << ret << dendl;
+ return ret;
+ }
+
+ return 0;
+}
+
+int RGWRados::apply_olh_log(RGWObjectCtx& obj_ctx, RGWObjState& state, const RGWBucketInfo& bucket_info, const rgw_obj& obj,
+ bufferlist& olh_tag, map<uint64_t, vector<rgw_bucket_olh_log_entry> >& log,
+ uint64_t *plast_ver, rgw_zone_set* zones_trace)
+{
+ if (log.empty()) {
+ return 0;
+ }
+
+ librados::ObjectWriteOperation op;
+
+ uint64_t last_ver = log.rbegin()->first;
+ *plast_ver = last_ver;
+
+ map<uint64_t, vector<rgw_bucket_olh_log_entry> >::iterator iter = log.begin();
+
+ op.cmpxattr(RGW_ATTR_OLH_ID_TAG, CEPH_OSD_CMPXATTR_OP_EQ, olh_tag);
+ op.cmpxattr(RGW_ATTR_OLH_VER, CEPH_OSD_CMPXATTR_OP_GT, last_ver);
+
+ bool need_to_link = false;
+ cls_rgw_obj_key key;
+ bool delete_marker = false;
+ list<cls_rgw_obj_key> remove_instances;
+ bool need_to_remove = false;
+
+ for (iter = log.begin(); iter != log.end(); ++iter) {
+ vector<rgw_bucket_olh_log_entry>::iterator viter = iter->second.begin();
+ for (; viter != iter->second.end(); ++viter) {
+ rgw_bucket_olh_log_entry& entry = *viter;
+
+ ldout(cct, 20) << "olh_log_entry: op=" << (int)entry.op
+ << " key=" << entry.key.name << "[" << entry.key.instance << "] "
+ << (entry.delete_marker ? "(delete)" : "") << dendl;
+ switch (entry.op) {
+ case CLS_RGW_OLH_OP_REMOVE_INSTANCE:
+ remove_instances.push_back(entry.key);
+ break;
+ case CLS_RGW_OLH_OP_LINK_OLH:
+ need_to_link = true;
+ need_to_remove = false;
+ key = entry.key;
+ delete_marker = entry.delete_marker;
+ break;
+ case CLS_RGW_OLH_OP_UNLINK_OLH:
+ need_to_remove = true;
+ need_to_link = false;
+ break;
+ default:
+ ldout(cct, 0) << "ERROR: apply_olh_log: invalid op: " << (int)entry.op << dendl;
+ return -EIO;
+ }
+ string attr_name = RGW_ATTR_OLH_PENDING_PREFIX;
+ attr_name.append(entry.op_tag);
+ op.rmxattr(attr_name.c_str());
+ }
+ }
+
+ rgw_rados_ref ref;
+ int r = get_obj_head_ref(bucket_info, obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ const rgw_bucket& bucket = obj.bucket;
+
+ if (need_to_link) {
+ rgw_obj target(bucket, key);
+ RGWOLHInfo info;
+ info.target = target;
+ info.removed = delete_marker;
+ bufferlist bl;
+ ::encode(info, bl);
+ op.setxattr(RGW_ATTR_OLH_INFO, bl);
+ }
+
+ /* first remove object instances */
+ for (list<cls_rgw_obj_key>::iterator liter = remove_instances.begin();
+ liter != remove_instances.end(); ++liter) {
+ cls_rgw_obj_key& key = *liter;
+ rgw_obj obj_instance(bucket, key);
+ int ret = delete_obj(obj_ctx, bucket_info, obj_instance, 0, RGW_BILOG_FLAG_VERSIONED_OP, ceph::real_time(), zones_trace);
+ if (ret < 0 && ret != -ENOENT) {
+ ldout(cct, 0) << "ERROR: delete_obj() returned " << ret << " obj_instance=" << obj_instance << dendl;
+ return ret;
+ }
+ }
+
+ /* update olh object */
+ r = ref.ioctx.operate(ref.oid, &op);
+ if (r == -ECANCELED) {
+ r = 0;
+ }
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: could not apply olh update, r=" << r << dendl;
+ return r;
+ }
+
+ r = bucket_index_trim_olh_log(bucket_info, state, obj, last_ver);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: could not trim olh log, r=" << r << dendl;
+ return r;
+ }
+
+ if (need_to_remove) {
+ ObjectWriteOperation rm_op;
+
+ rm_op.cmpxattr(RGW_ATTR_OLH_ID_TAG, CEPH_OSD_CMPXATTR_OP_EQ, olh_tag);
+ rm_op.cmpxattr(RGW_ATTR_OLH_VER, CEPH_OSD_CMPXATTR_OP_GT, last_ver);
+ cls_obj_check_prefix_exist(rm_op, RGW_ATTR_OLH_PENDING_PREFIX, true); /* fail if found one of these, pending modification */
+ rm_op.remove();
+
+ r = ref.ioctx.operate(ref.oid, &rm_op);
+ if (r == -ECANCELED) {
+ return 0; /* someone else won this race */
+ } else {
+ /*
+ * only clear if was successful, otherwise we might clobber pending operations on this object
+ */
+ r = bucket_index_clear_olh(bucket_info, state, obj);
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: could not clear bucket index olh entries r=" << r << dendl;
+ return r;
+ }
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * read olh log and apply it
+ */
+int RGWRados::update_olh(RGWObjectCtx& obj_ctx, RGWObjState *state, const RGWBucketInfo& bucket_info, const rgw_obj& obj, rgw_zone_set *zones_trace)
+{
+ map<uint64_t, vector<rgw_bucket_olh_log_entry> > log;
+ bool is_truncated;
+ uint64_t ver_marker = 0;
+
+ do {
+ int ret = bucket_index_read_olh_log(bucket_info, *state, obj, ver_marker, &log, &is_truncated);
+ if (ret < 0) {
+ return ret;
+ }
+ ret = apply_olh_log(obj_ctx, *state, bucket_info, obj, state->olh_tag, log, &ver_marker, zones_trace);
+ if (ret < 0) {
+ return ret;
+ }
+ } while (is_truncated);
+
+ return 0;
+}
+
+int RGWRados::set_olh(RGWObjectCtx& obj_ctx, RGWBucketInfo& bucket_info, const rgw_obj& target_obj, bool delete_marker, rgw_bucket_dir_entry_meta *meta,
+ uint64_t olh_epoch, real_time unmod_since, bool high_precision_time, rgw_zone_set *zones_trace)
+{
+ string op_tag;
+
+ rgw_obj olh_obj = target_obj;
+ olh_obj.key.instance.clear();
+
+ RGWObjState *state = NULL;
+
+ int ret = 0;
+ int i;
+
+#define MAX_ECANCELED_RETRY 100
+ for (i = 0; i < MAX_ECANCELED_RETRY; i++) {
+ if (ret == -ECANCELED) {
+ obj_ctx.obj.invalidate(olh_obj);
+ }
+
+ ret = get_obj_state(&obj_ctx, bucket_info, olh_obj, &state, false); /* don't follow olh */
+ if (ret < 0) {
+ return ret;
+ }
+
+ ret = olh_init_modification(bucket_info, *state, olh_obj, &op_tag);
+ if (ret < 0) {
+ ldout(cct, 20) << "olh_init_modification() target_obj=" << target_obj << " delete_marker=" << (int)delete_marker << " returned " << ret << dendl;
+ if (ret == -ECANCELED) {
+ continue;
+ }
+ return ret;
+ }
+ ret = bucket_index_link_olh(bucket_info, *state, target_obj, delete_marker, op_tag, meta, olh_epoch, unmod_since, high_precision_time, zones_trace);
+ if (ret < 0) {
+ ldout(cct, 20) << "bucket_index_link_olh() target_obj=" << target_obj << " delete_marker=" << (int)delete_marker << " returned " << ret << dendl;
+ if (ret == -ECANCELED) {
+ continue;
+ }
+ return ret;
+ }
+ break;
+ }
+
+ if (i == MAX_ECANCELED_RETRY) {
+ ldout(cct, 0) << "ERROR: exceeded max ECANCELED retries, aborting (EIO)" << dendl;
+ return -EIO;
+ }
+
+ ret = update_olh(obj_ctx, state, bucket_info, olh_obj);
+ if (ret == -ECANCELED) { /* already did what we needed, no need to retry, raced with another user */
+ ret = 0;
+ }
+ if (ret < 0) {
+ ldout(cct, 20) << "update_olh() target_obj=" << target_obj << " returned " << ret << dendl;
+ return ret;
+ }
+
+ return 0;
+}
+
+int RGWRados::unlink_obj_instance(RGWObjectCtx& obj_ctx, RGWBucketInfo& bucket_info, const rgw_obj& target_obj,
+ uint64_t olh_epoch, rgw_zone_set *zones_trace)
+{
+ string op_tag;
+
+ rgw_obj olh_obj = target_obj;
+ olh_obj.key.instance.clear();
+
+ RGWObjState *state = NULL;
+
+ int ret = 0;
+ int i;
+
+ for (i = 0; i < MAX_ECANCELED_RETRY; i++) {
+ if (ret == -ECANCELED) {
+ obj_ctx.obj.invalidate(olh_obj);
+ }
+
+ ret = get_obj_state(&obj_ctx, bucket_info, olh_obj, &state, false); /* don't follow olh */
+ if (ret < 0)
+ return ret;
+
+ ret = olh_init_modification(bucket_info, *state, olh_obj, &op_tag);
+ if (ret < 0) {
+ ldout(cct, 20) << "olh_init_modification() target_obj=" << target_obj << " returned " << ret << dendl;
+ if (ret == -ECANCELED) {
+ continue;
+ }
+ return ret;
+ }
+
+ string olh_tag(state->olh_tag.c_str(), state->olh_tag.length());
+
+ ret = bucket_index_unlink_instance(bucket_info, target_obj, op_tag, olh_tag, olh_epoch, zones_trace);
+ if (ret < 0) {
+ ldout(cct, 20) << "bucket_index_unlink_instance() target_obj=" << target_obj << " returned " << ret << dendl;
+ if (ret == -ECANCELED) {
+ continue;
+ }
+ return ret;
+ }
+ break;
+ }
+
+ if (i == MAX_ECANCELED_RETRY) {
+ ldout(cct, 0) << "ERROR: exceeded max ECANCELED retries, aborting (EIO)" << dendl;
+ return -EIO;
+ }
+
+ ret = update_olh(obj_ctx, state, bucket_info, olh_obj, zones_trace);
+ if (ret == -ECANCELED) { /* already did what we needed, no need to retry, raced with another user */
+ return 0;
+ }
+ if (ret < 0) {
+ ldout(cct, 20) << "update_olh() target_obj=" << target_obj << " returned " << ret << dendl;
+ return ret;
+ }
+
+ return 0;
+}
+
+void RGWRados::gen_rand_obj_instance_name(rgw_obj *target_obj)
+{
+#define OBJ_INSTANCE_LEN 32
+ char buf[OBJ_INSTANCE_LEN + 1];
+
+ gen_rand_alphanumeric_no_underscore(cct, buf, OBJ_INSTANCE_LEN); /* don't want it to get url escaped,
+ no underscore for instance name due to the way we encode the raw keys */
+
+ target_obj->key.set_instance(buf);
+}
+
+static void filter_attrset(map<string, bufferlist>& unfiltered_attrset, const string& check_prefix,
+ map<string, bufferlist> *attrset)
+{
+ attrset->clear();
+ map<string, bufferlist>::iterator iter;
+ for (iter = unfiltered_attrset.lower_bound(check_prefix);
+ iter != unfiltered_attrset.end(); ++iter) {
+ if (!boost::algorithm::starts_with(iter->first, check_prefix))
+ break;
+ (*attrset)[iter->first] = iter->second;
+ }
+}
+
+int RGWRados::get_olh(const RGWBucketInfo& bucket_info, const rgw_obj& obj, RGWOLHInfo *olh)
+{
+ map<string, bufferlist> unfiltered_attrset;
+
+ ObjectReadOperation op;
+ op.getxattrs(&unfiltered_attrset, NULL);
+
+ bufferlist outbl;
+ int r = obj_operate(bucket_info, obj, &op);
+
+ if (r < 0) {
+ return r;
+ }
+ map<string, bufferlist> attrset;
+
+ filter_attrset(unfiltered_attrset, RGW_ATTR_OLH_PREFIX, &attrset);
+
+ map<string, bufferlist>::iterator iter = attrset.find(RGW_ATTR_OLH_INFO);
+ if (iter == attrset.end()) { /* not an olh */
+ return -EINVAL;
+ }
+
+ try {
+ bufferlist::iterator biter = iter->second.begin();
+ ::decode(*olh, biter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: failed to decode olh info" << dendl;
+ return -EIO;
+ }
+
+ return 0;
+}
+
+void RGWRados::check_pending_olh_entries(map<string, bufferlist>& pending_entries,
+ map<string, bufferlist> *rm_pending_entries)
+{
+ map<string, bufferlist>::iterator iter = pending_entries.begin();
+
+ real_time now = real_clock::now();
+
+ while (iter != pending_entries.end()) {
+ bufferlist::iterator biter = iter->second.begin();
+ RGWOLHPendingInfo pending_info;
+ try {
+ ::decode(pending_info, biter);
+ } catch (buffer::error& err) {
+ /* skipping bad entry, we could remove it but it might hide a bug */
+ ldout(cct, 0) << "ERROR: failed to decode pending entry " << iter->first << dendl;
+ ++iter;
+ continue;
+ }
+
+ map<string, bufferlist>::iterator cur_iter = iter;
+ ++iter;
+ if (now - pending_info.time >= make_timespan(cct->_conf->rgw_olh_pending_timeout_sec)) {
+ (*rm_pending_entries)[cur_iter->first] = cur_iter->second;
+ pending_entries.erase(cur_iter);
+ } else {
+ /* entries names are sorted by time (rounded to a second) */
+ break;
+ }
+ }
+}
+
+int RGWRados::remove_olh_pending_entries(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& olh_obj, map<string, bufferlist>& pending_attrs)
+{
+ ObjectWriteOperation op;
+
+ bucket_index_guard_olh_op(state, op);
+
+ for (map<string, bufferlist>::iterator iter = pending_attrs.begin(); iter != pending_attrs.end(); ++iter) {
+ op.rmxattr(iter->first.c_str());
+ }
+
+ rgw_rados_ref ref;
+ int r = get_obj_head_ref(bucket_info, olh_obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ /* update olh object */
+ r = ref.ioctx.operate(ref.oid, &op);
+ if (r == -ENOENT || r == -ECANCELED) {
+ /* raced with some other change, shouldn't sweat about it */
+ r = 0;
+ }
+ if (r < 0) {
+ ldout(cct, 0) << "ERROR: could not apply olh update, r=" << r << dendl;
+ return r;
+ }
+
+ return 0;
+}
+
+int RGWRados::follow_olh(const RGWBucketInfo& bucket_info, RGWObjectCtx& obj_ctx, RGWObjState *state, const rgw_obj& olh_obj, rgw_obj *target)
+{
+ map<string, bufferlist> pending_entries;
+ filter_attrset(state->attrset, RGW_ATTR_OLH_PENDING_PREFIX, &pending_entries);
+
+ map<string, bufferlist> rm_pending_entries;
+ check_pending_olh_entries(pending_entries, &rm_pending_entries);
+
+ if (!rm_pending_entries.empty()) {
+ int ret = remove_olh_pending_entries(bucket_info, *state, olh_obj, rm_pending_entries);
+ if (ret < 0) {
+ ldout(cct, 20) << "ERROR: rm_pending_entries returned ret=" << ret << dendl;
+ return ret;
+ }
+ }
+ if (!pending_entries.empty()) {
+ ldout(cct, 20) << __func__ << "(): found pending entries, need to update_olh() on bucket=" << olh_obj.bucket << dendl;
+
+ int ret = update_olh(obj_ctx, state, bucket_info, olh_obj);
+ if (ret < 0) {
+ return ret;
+ }
+ }
+
+ map<string, bufferlist>::iterator iter = state->attrset.find(RGW_ATTR_OLH_INFO);
+ assert(iter != state->attrset.end());
+ RGWOLHInfo olh;
+ try {
+ bufferlist::iterator biter = iter->second.begin();
+ ::decode(olh, biter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: failed to decode olh info" << dendl;
+ return -EIO;
+ }
+
+ if (olh.removed) {
+ return -ENOENT;
+ }
+
+ *target = olh.target;
+
+ return 0;
+}
+
+int RGWRados::raw_obj_stat(rgw_raw_obj& obj, uint64_t *psize, real_time *pmtime, uint64_t *epoch,
+ map<string, bufferlist> *attrs, bufferlist *first_chunk,
+ RGWObjVersionTracker *objv_tracker)
+{
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ map<string, bufferlist> unfiltered_attrset;
+ uint64_t size = 0;
+ struct timespec mtime_ts;
+
+ ObjectReadOperation op;
+ if (objv_tracker) {
+ objv_tracker->prepare_op_for_read(&op);
+ }
+ if (attrs) {
+ op.getxattrs(&unfiltered_attrset, NULL);
+ }
+ if (psize || pmtime) {
+ op.stat2(&size, &mtime_ts, NULL);
+ }
+ if (first_chunk) {
+ op.read(0, cct->_conf->rgw_max_chunk_size, first_chunk, NULL);
+ }
+ bufferlist outbl;
+ r = ref.ioctx.operate(ref.oid, &op, &outbl);
+
+ if (epoch) {
+ *epoch = ref.ioctx.get_last_version();
+ }
+
+ if (r < 0)
+ return r;
+
+ if (psize)
+ *psize = size;
+ if (pmtime)
+ *pmtime = ceph::real_clock::from_timespec(mtime_ts);
+ if (attrs) {
+ filter_attrset(unfiltered_attrset, RGW_ATTR_PREFIX, attrs);
+ }
+
+ return 0;
+}
+
+int RGWRados::get_bucket_stats(RGWBucketInfo& bucket_info, int shard_id, string *bucket_ver, string *master_ver,
+ map<RGWObjCategory, RGWStorageStats>& stats, string *max_marker, bool *syncstopped)
+{
+ map<string, rgw_bucket_dir_header> headers;
+ map<int, string> bucket_instance_ids;
+ int r = cls_bucket_head(bucket_info, shard_id, headers, &bucket_instance_ids);
+ if (r < 0) {
+ return r;
+ }
+
+ assert(headers.size() == bucket_instance_ids.size());
+
+ map<string, rgw_bucket_dir_header>::iterator iter = headers.begin();
+ map<int, string>::iterator viter = bucket_instance_ids.begin();
+ BucketIndexShardsManager ver_mgr;
+ BucketIndexShardsManager master_ver_mgr;
+ BucketIndexShardsManager marker_mgr;
+ char buf[64];
+ for(; iter != headers.end(); ++iter, ++viter) {
+ accumulate_raw_stats(iter->second, stats);
+ snprintf(buf, sizeof(buf), "%lu", (unsigned long)iter->second.ver);
+ ver_mgr.add(viter->first, string(buf));
+ snprintf(buf, sizeof(buf), "%lu", (unsigned long)iter->second.master_ver);
+ master_ver_mgr.add(viter->first, string(buf));
+ if (shard_id >= 0) {
+ *max_marker = iter->second.max_marker;
+ } else {
+ marker_mgr.add(viter->first, iter->second.max_marker);
+ }
+ if (syncstopped != NULL)
+ *syncstopped = iter->second.syncstopped;
+ }
+ ver_mgr.to_string(bucket_ver);
+ master_ver_mgr.to_string(master_ver);
+ if (shard_id < 0) {
+ marker_mgr.to_string(max_marker);
+ }
+ return 0;
+}
+
+int RGWRados::get_bi_log_status(RGWBucketInfo& bucket_info, int shard_id,
+ map<int, string>& markers)
+{
+ map<string, rgw_bucket_dir_header> headers;
+ map<int, string> bucket_instance_ids;
+ int r = cls_bucket_head(bucket_info, shard_id, headers, &bucket_instance_ids);
+ if (r < 0)
+ return r;
+
+ assert(headers.size() == bucket_instance_ids.size());
+
+ map<string, rgw_bucket_dir_header>::iterator iter = headers.begin();
+ map<int, string>::iterator viter = bucket_instance_ids.begin();
+
+ for(; iter != headers.end(); ++iter, ++viter) {
+ if (shard_id >= 0) {
+ markers[shard_id] = iter->second.max_marker;
+ } else {
+ markers[viter->first] = iter->second.max_marker;
+ }
+ }
+ return 0;
+}
+
+class RGWGetBucketStatsContext : public RGWGetDirHeader_CB {
+ RGWGetBucketStats_CB *cb;
+ uint32_t pendings;
+ map<RGWObjCategory, RGWStorageStats> stats;
+ int ret_code;
+ bool should_cb;
+ Mutex lock;
+
+public:
+ RGWGetBucketStatsContext(RGWGetBucketStats_CB *_cb, uint32_t _pendings)
+ : cb(_cb), pendings(_pendings), stats(), ret_code(0), should_cb(true),
+ lock("RGWGetBucketStatsContext") {}
+
+ void handle_response(int r, rgw_bucket_dir_header& header) override {
+ Mutex::Locker l(lock);
+ if (should_cb) {
+ if ( r >= 0) {
+ accumulate_raw_stats(header, stats);
+ } else {
+ ret_code = r;
+ }
+
+ // Are we all done?
+ if (--pendings == 0) {
+ if (!ret_code) {
+ cb->set_response(&stats);
+ }
+ cb->handle_response(ret_code);
+ cb->put();
+ }
+ }
+ }
+
+ void unset_cb() {
+ Mutex::Locker l(lock);
+ should_cb = false;
+ }
+};
+
+int RGWRados::get_bucket_stats_async(RGWBucketInfo& bucket_info, int shard_id, RGWGetBucketStats_CB *ctx)
+{
+ int num_aio = 0;
+ RGWGetBucketStatsContext *get_ctx = new RGWGetBucketStatsContext(ctx, bucket_info.num_shards ? : 1);
+ assert(get_ctx);
+ int r = cls_bucket_head_async(bucket_info, shard_id, get_ctx, &num_aio);
+ if (r < 0) {
+ ctx->put();
+ if (num_aio) {
+ get_ctx->unset_cb();
+ }
+ }
+ get_ctx->put();
+ return r;
+}
+
+class RGWGetUserStatsContext : public RGWGetUserHeader_CB {
+ RGWGetUserStats_CB *cb;
+
+public:
+ explicit RGWGetUserStatsContext(RGWGetUserStats_CB * const cb)
+ : cb(cb) {}
+
+ void handle_response(int r, cls_user_header& header) override {
+ const cls_user_stats& hs = header.stats;
+ if (r >= 0) {
+ RGWStorageStats stats;
+
+ stats.size = hs.total_bytes;
+ stats.size_rounded = hs.total_bytes_rounded;
+ stats.num_objects = hs.total_entries;
+
+ cb->set_response(stats);
+ }
+
+ cb->handle_response(r);
+
+ cb->put();
+ }
+};
+
+int RGWRados::get_user_stats(const rgw_user& user, RGWStorageStats& stats)
+{
+ string user_str = user.to_str();
+
+ cls_user_header header;
+ int r = cls_user_get_header(user_str, &header);
+ if (r < 0)
+ return r;
+
+ const cls_user_stats& hs = header.stats;
+
+ stats.size = hs.total_bytes;
+ stats.size_rounded = hs.total_bytes_rounded;
+ stats.num_objects = hs.total_entries;
+
+ return 0;
+}
+
+int RGWRados::get_user_stats_async(const rgw_user& user, RGWGetUserStats_CB *ctx)
+{
+ string user_str = user.to_str();
+
+ RGWGetUserStatsContext *get_ctx = new RGWGetUserStatsContext(ctx);
+ int r = cls_user_get_header_async(user_str, get_ctx);
+ if (r < 0) {
+ ctx->put();
+ delete get_ctx;
+ return r;
+ }
+
+ return 0;
+}
+
+void RGWRados::get_bucket_meta_oid(const rgw_bucket& bucket, string& oid)
+{
+ oid = RGW_BUCKET_INSTANCE_MD_PREFIX + bucket.get_key(':');
+}
+
+void RGWRados::get_bucket_instance_obj(const rgw_bucket& bucket, rgw_raw_obj& obj)
+{
+ if (!bucket.oid.empty()) {
+ obj.init(get_zone_params().domain_root, bucket.oid);
+ } else {
+ string oid;
+ get_bucket_meta_oid(bucket, oid);
+ obj.init(get_zone_params().domain_root, oid);
+ }
+}
+
+int RGWRados::get_bucket_instance_info(RGWObjectCtx& obj_ctx, const string& meta_key, RGWBucketInfo& info,
+ real_time *pmtime, map<string, bufferlist> *pattrs)
+{
+ size_t pos = meta_key.find(':');
+ if (pos == string::npos) {
+ return -EINVAL;
+ }
+ string oid = RGW_BUCKET_INSTANCE_MD_PREFIX + meta_key;
+ rgw_bucket_instance_key_to_oid(oid);
+
+ return get_bucket_instance_from_oid(obj_ctx, oid, info, pmtime, pattrs);
+}
+
+int RGWRados::get_bucket_instance_info(RGWObjectCtx& obj_ctx, const rgw_bucket& bucket, RGWBucketInfo& info,
+ real_time *pmtime, map<string, bufferlist> *pattrs)
+{
+ string oid;
+ if (bucket.oid.empty()) {
+ get_bucket_meta_oid(bucket, oid);
+ } else {
+ oid = bucket.oid;
+ }
+
+ return get_bucket_instance_from_oid(obj_ctx, oid, info, pmtime, pattrs);
+}
+
+int RGWRados::get_bucket_instance_from_oid(RGWObjectCtx& obj_ctx, const string& oid, RGWBucketInfo& info,
+ real_time *pmtime, map<string, bufferlist> *pattrs,
+ rgw_cache_entry_info *cache_info)
+{
+ ldout(cct, 20) << "reading from " << get_zone_params().domain_root << ":" << oid << dendl;
+
+ bufferlist epbl;
+
+ int ret = rgw_get_system_obj(this, obj_ctx, get_zone_params().domain_root, oid, epbl, &info.objv_tracker, pmtime, pattrs, cache_info);
+ if (ret < 0) {
+ return ret;
+ }
+
+ bufferlist::iterator iter = epbl.begin();
+ try {
+ ::decode(info, iter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: could not decode buffer info, caught buffer::error" << dendl;
+ return -EIO;
+ }
+ info.bucket.oid = oid;
+ return 0;
+}
+
+int RGWRados::get_bucket_entrypoint_info(RGWObjectCtx& obj_ctx,
+ const string& tenant_name,
+ const string& bucket_name,
+ RGWBucketEntryPoint& entry_point,
+ RGWObjVersionTracker *objv_tracker,
+ real_time *pmtime,
+ map<string, bufferlist> *pattrs,
+ rgw_cache_entry_info *cache_info)
+{
+ bufferlist bl;
+ string bucket_entry;
+
+ rgw_make_bucket_entry_name(tenant_name, bucket_name, bucket_entry);
+ int ret = rgw_get_system_obj(this, obj_ctx, get_zone_params().domain_root, bucket_entry, bl, objv_tracker, pmtime, pattrs, cache_info);
+ if (ret < 0) {
+ return ret;
+ }
+
+ bufferlist::iterator iter = bl.begin();
+ try {
+ ::decode(entry_point, iter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: could not decode buffer info, caught buffer::error" << dendl;
+ return -EIO;
+ }
+ return 0;
+}
+
+int RGWRados::convert_old_bucket_info(RGWObjectCtx& obj_ctx,
+ const string& tenant_name,
+ const string& bucket_name)
+{
+ RGWBucketEntryPoint entry_point;
+ real_time ep_mtime;
+ RGWObjVersionTracker ot;
+ map<string, bufferlist> attrs;
+ RGWBucketInfo info;
+
+ ldout(cct, 10) << "RGWRados::convert_old_bucket_info(): bucket=" << bucket_name << dendl;
+
+ int ret = get_bucket_entrypoint_info(obj_ctx, tenant_name, bucket_name, entry_point, &ot, &ep_mtime, &attrs);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: get_bucket_entrypoint_info() returned " << ret << " bucket=" << bucket_name << dendl;
+ return ret;
+ }
+
+ if (!entry_point.has_bucket_info) {
+ /* already converted! */
+ return 0;
+ }
+
+ info = entry_point.old_bucket_info;
+ info.bucket.oid = bucket_name;
+ info.ep_objv = ot.read_version;
+
+ ot.generate_new_write_ver(cct);
+
+ ret = put_linked_bucket_info(info, false, ep_mtime, &ot.write_version, &attrs, true);
+ if (ret < 0) {
+ ldout(cct, 0) << "ERROR: failed to put_linked_bucket_info(): " << ret << dendl;
+ return ret;
+ }
+
+ return 0;
+}
+
+int RGWRados::get_bucket_info(RGWObjectCtx& obj_ctx,
+ const string& tenant, const string& bucket_name, RGWBucketInfo& info,
+ real_time *pmtime, map<string, bufferlist> *pattrs)
+{
+ bucket_info_entry e;
+ string bucket_entry;
+ rgw_make_bucket_entry_name(tenant, bucket_name, bucket_entry);
+
+ if (binfo_cache->find(bucket_entry, &e)) {
+ info = e.info;
+ if (pattrs)
+ *pattrs = e.attrs;
+ if (pmtime)
+ *pmtime = e.mtime;
+ return 0;
+ }
+
+ RGWBucketEntryPoint entry_point;
+ real_time ep_mtime;
+ RGWObjVersionTracker ot;
+ rgw_cache_entry_info entry_cache_info;
+ int ret = get_bucket_entrypoint_info(obj_ctx, tenant, bucket_name, entry_point, &ot, &ep_mtime, pattrs, &entry_cache_info);
+ if (ret < 0) {
+ /* only init these fields */
+ info.bucket.tenant = tenant;
+ info.bucket.name = bucket_name;
+ return ret;
+ }
+
+ if (entry_point.has_bucket_info) {
+ info = entry_point.old_bucket_info;
+ info.bucket.oid = bucket_name;
+ info.bucket.tenant = tenant;
+ info.ep_objv = ot.read_version;
+ ldout(cct, 20) << "rgw_get_bucket_info: old bucket info, bucket=" << info.bucket << " owner " << info.owner << dendl;
+ return 0;
+ }
+
+ /* data is in the bucket instance object, we need to get attributes from there, clear everything
+ * that we got
+ */
+ if (pattrs) {
+ pattrs->clear();
+ }
+
+ ldout(cct, 20) << "rgw_get_bucket_info: bucket instance: " << entry_point.bucket << dendl;
+
+
+ /* read bucket instance info */
+
+ string oid;
+ get_bucket_meta_oid(entry_point.bucket, oid);
+
+ rgw_cache_entry_info cache_info;
+
+ ret = get_bucket_instance_from_oid(obj_ctx, oid, e.info, &e.mtime, &e.attrs, &cache_info);
+ e.info.ep_objv = ot.read_version;
+ info = e.info;
+ if (ret < 0) {
+ info.bucket.tenant = tenant;
+ info.bucket.name = bucket_name;
+ // XXX and why return anything in case of an error anyway?
+ return ret;
+ }
+
+ if (pmtime)
+ *pmtime = e.mtime;
+ if (pattrs)
+ *pattrs = e.attrs;
+
+ list<rgw_cache_entry_info *> cache_info_entries;
+ cache_info_entries.push_back(&entry_cache_info);
+ cache_info_entries.push_back(&cache_info);
+
+
+ /* chain to both bucket entry point and bucket instance */
+ if (!binfo_cache->put(this, bucket_entry, &e, cache_info_entries)) {
+ ldout(cct, 20) << "couldn't put binfo cache entry, might have raced with data changes" << dendl;
+ }
+
+ return 0;
+}
+
+int RGWRados::put_bucket_entrypoint_info(const string& tenant_name, const string& bucket_name, RGWBucketEntryPoint& entry_point,
+ bool exclusive, RGWObjVersionTracker& objv_tracker, real_time mtime,
+ map<string, bufferlist> *pattrs)
+{
+ bufferlist epbl;
+ ::encode(entry_point, epbl);
+ string bucket_entry;
+ rgw_make_bucket_entry_name(tenant_name, bucket_name, bucket_entry);
+ return rgw_bucket_store_info(this, bucket_entry, epbl, exclusive, pattrs, &objv_tracker, mtime);
+}
+
+int RGWRados::put_bucket_instance_info(RGWBucketInfo& info, bool exclusive,
+ real_time mtime, map<string, bufferlist> *pattrs)
+{
+ info.has_instance_obj = true;
+ bufferlist bl;
+
+ ::encode(info, bl);
+
+ string key = info.bucket.get_key(); /* when we go through meta api, we don't use oid directly */
+ int ret = rgw_bucket_instance_store_info(this, key, bl, exclusive, pattrs, &info.objv_tracker, mtime);
+ if (ret == -EEXIST) {
+ /* well, if it's exclusive we shouldn't overwrite it, because we might race with another
+ * bucket operation on this specific bucket (e.g., being synced from the master), but
+ * since bucket instace meta object is unique for this specific bucket instace, we don't
+ * need to return an error.
+ * A scenario where we'd get -EEXIST here, is in a multi-zone config, we're not on the
+ * master, creating a bucket, sending bucket creation to the master, we create the bucket
+ * locally, while in the sync thread we sync the new bucket.
+ */
+ ret = 0;
+ }
+ return ret;
+}
+
+int RGWRados::put_linked_bucket_info(RGWBucketInfo& info, bool exclusive, real_time mtime, obj_version *pep_objv,
+ map<string, bufferlist> *pattrs, bool create_entry_point)
+{
+ bool create_head = !info.has_instance_obj || create_entry_point;
+
+ int ret = put_bucket_instance_info(info, exclusive, mtime, pattrs);
+ if (ret < 0) {
+ return ret;
+ }
+
+ if (!create_head)
+ return 0; /* done! */
+
+ RGWBucketEntryPoint entry_point;
+ entry_point.bucket = info.bucket;
+ entry_point.owner = info.owner;
+ entry_point.creation_time = info.creation_time;
+ entry_point.linked = true;
+ RGWObjVersionTracker ot;
+ if (pep_objv && !pep_objv->tag.empty()) {
+ ot.write_version = *pep_objv;
+ } else {
+ ot.generate_new_write_ver(cct);
+ if (pep_objv) {
+ *pep_objv = ot.write_version;
+ }
+ }
+ ret = put_bucket_entrypoint_info(info.bucket.tenant, info.bucket.name, entry_point, exclusive, ot, mtime, NULL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+int RGWRados::omap_get_vals(rgw_raw_obj& obj, bufferlist& header, const string& marker, uint64_t count, std::map<string, bufferlist>& m)
+{
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ r = ref.ioctx.omap_get_vals(ref.oid, marker, count, &m);
+ if (r < 0)
+ return r;
+
+ return 0;
+
+}
+
+int RGWRados::omap_get_all(rgw_raw_obj& obj, bufferlist& header,
+ std::map<string, bufferlist>& m)
+{
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+#define MAX_OMAP_GET_ENTRIES 1024
+ const int count = MAX_OMAP_GET_ENTRIES;
+ string start_after;
+
+ while (true) {
+ std::map<string, bufferlist> t;
+ r = ref.ioctx.omap_get_vals(ref.oid, start_after, count, &t);
+ if (r < 0) {
+ return r;
+ }
+ if (t.empty()) {
+ break;
+ }
+ start_after = t.rbegin()->first;
+ m.insert(t.begin(), t.end());
+ }
+ return 0;
+}
+
+int RGWRados::omap_set(rgw_raw_obj& obj, const std::string& key, bufferlist& bl)
+{
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+ ldout(cct, 15) << "omap_set obj=" << obj << " key=" << key << dendl;
+
+ map<string, bufferlist> m;
+ m[key] = bl;
+
+ r = ref.ioctx.omap_set(ref.oid, m);
+
+ return r;
+}
+
+int RGWRados::omap_set(rgw_raw_obj& obj, std::map<std::string, bufferlist>& m)
+{
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ r = ref.ioctx.omap_set(ref.oid, m);
+
+ return r;
+}
+
+int RGWRados::omap_del(rgw_raw_obj& obj, const std::string& key)
+{
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ set<string> k;
+ k.insert(key);
+
+ r = ref.ioctx.omap_rm_keys(ref.oid, k);
+ return r;
+}
+
+int RGWRados::update_containers_stats(map<string, RGWBucketEnt>& m)
+{
+ RGWObjectCtx obj_ctx(this);
+
+ map<string, RGWBucketEnt>::iterator iter;
+ for (iter = m.begin(); iter != m.end(); ++iter) {
+ RGWBucketEnt& ent = iter->second;
+ rgw_bucket& bucket = ent.bucket;
+ ent.count = 0;
+ ent.size = 0;
+ ent.size_rounded = 0;
+
+ map<string, rgw_bucket_dir_header> headers;
+
+ RGWBucketInfo bucket_info;
+ int ret = get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, NULL);
+ if (ret < 0) {
+ return ret;
+ }
+
+ int r = cls_bucket_head(bucket_info, RGW_NO_SHARD, headers);
+ if (r < 0)
+ return r;
+
+ map<string, rgw_bucket_dir_header>::iterator hiter = headers.begin();
+ for (; hiter != headers.end(); ++hiter) {
+ RGWObjCategory category = main_category;
+ map<uint8_t, struct rgw_bucket_category_stats>::iterator iter = (hiter->second.stats).find((uint8_t)category);
+ if (iter != hiter->second.stats.end()) {
+ struct rgw_bucket_category_stats& stats = iter->second;
+ ent.count += stats.num_entries;
+ ent.size += stats.total_size;
+ ent.size_rounded += stats.total_size_rounded;
+ }
+ }
+
+ // fill in placement_rule from the bucket instance for use in swift's
+ // per-storage policy statistics
+ ent.placement_rule = std::move(bucket_info.placement_rule);
+ }
+
+ return m.size();
+}
+
+int RGWRados::append_async(rgw_raw_obj& obj, size_t size, bufferlist& bl)
+{
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+ librados::Rados *rad = get_rados_handle();
+ librados::AioCompletion *completion = rad->aio_create_completion(NULL, NULL, NULL);
+
+ r = ref.ioctx.aio_append(ref.oid, completion, bl, size);
+ completion->release();
+ return r;
+}
+
+int RGWRados::distribute(const string& key, bufferlist& bl)
+{
+ /*
+ * we were called before watch was initialized. This can only happen if we're updating some system
+ * config object (e.g., zone info) during init. Don't try to distribute the cache info for these
+ * objects, they're currently only read on startup anyway.
+ */
+ if (!watch_initialized)
+ return 0;
+
+ string notify_oid;
+ pick_control_oid(key, notify_oid);
+
+ ldout(cct, 10) << "distributing notification oid=" << notify_oid << " bl.length()=" << bl.length() << dendl;
+ return control_pool_ctx.notify2(notify_oid, bl, 0, NULL);
+}
+
+int RGWRados::pool_iterate_begin(const rgw_pool& pool, RGWPoolIterCtx& ctx)
+{
+ librados::IoCtx& io_ctx = ctx.io_ctx;
+ librados::NObjectIterator& iter = ctx.iter;
+
+ int r = open_pool_ctx(pool, io_ctx);
+ if (r < 0)
+ return r;
+
+ iter = io_ctx.nobjects_begin();
+
+ return 0;
+}
+
+int RGWRados::pool_iterate_begin(const rgw_pool& pool, const string& cursor, RGWPoolIterCtx& ctx)
+{
+ librados::IoCtx& io_ctx = ctx.io_ctx;
+ librados::NObjectIterator& iter = ctx.iter;
+
+ int r = open_pool_ctx(pool, io_ctx);
+ if (r < 0)
+ return r;
+
+ librados::ObjectCursor oc;
+ if (!oc.from_str(cursor)) {
+ ldout(cct, 10) << "failed to parse cursor: " << cursor << dendl;
+ return -EINVAL;
+ }
+
+ iter = io_ctx.nobjects_begin(oc);
+
+ return 0;
+}
+
+string RGWRados::pool_iterate_get_cursor(RGWPoolIterCtx& ctx)
+{
+ return ctx.iter.get_cursor().to_str();
+}
+
+int RGWRados::pool_iterate(RGWPoolIterCtx& ctx, uint32_t num, vector<rgw_bucket_dir_entry>& objs,
+ bool *is_truncated, RGWAccessListFilter *filter)
+{
+ librados::IoCtx& io_ctx = ctx.io_ctx;
+ librados::NObjectIterator& iter = ctx.iter;
+
+ if (iter == io_ctx.nobjects_end())
+ return -ENOENT;
+
+ uint32_t i;
+
+ for (i = 0; i < num && iter != io_ctx.nobjects_end(); ++i, ++iter) {
+ rgw_bucket_dir_entry e;
+
+ string oid = iter->get_oid();
+ ldout(cct, 20) << "RGWRados::pool_iterate: got " << oid << dendl;
+
+ // fill it in with initial values; we may correct later
+ if (filter && !filter->filter(oid, oid))
+ continue;
+
+ e.key = oid;
+ objs.push_back(e);
+ }
+
+ if (is_truncated)
+ *is_truncated = (iter != io_ctx.nobjects_end());
+
+ return objs.size();
+}
+struct RGWAccessListFilterPrefix : public RGWAccessListFilter {
+ string prefix;
+
+ explicit RGWAccessListFilterPrefix(const string& _prefix) : prefix(_prefix) {}
+ bool filter(string& name, string& key) override {
+ return (prefix.compare(key.substr(0, prefix.size())) == 0);
+ }
+};
+
+int RGWRados::list_raw_objects_init(const rgw_pool& pool, const string& marker, RGWListRawObjsCtx *ctx)
+{
+ if (!ctx->initialized) {
+ int r = pool_iterate_begin(pool, marker, ctx->iter_ctx);
+ if (r < 0) {
+ ldout(cct, 10) << "failed to list objects pool_iterate_begin() returned r=" << r << dendl;
+ return r;
+ }
+ ctx->initialized = true;
+ }
+ return 0;
+}
+
+int RGWRados::list_raw_objects_next(const string& prefix_filter, int max,
+ RGWListRawObjsCtx& ctx, list<string>& oids,
+ bool *is_truncated)
+{
+ if (!ctx.initialized) {
+ return -EINVAL;
+ }
+ RGWAccessListFilterPrefix filter(prefix_filter);
+ vector<rgw_bucket_dir_entry> objs;
+ int r = pool_iterate(ctx.iter_ctx, max, objs, is_truncated, &filter);
+ if (r < 0) {
+ if(r != -ENOENT)
+ ldout(cct, 10) << "failed to list objects pool_iterate returned r=" << r << dendl;
+ return r;
+ }
+
+ vector<rgw_bucket_dir_entry>::iterator iter;
+ for (iter = objs.begin(); iter != objs.end(); ++iter) {
+ oids.push_back(iter->key.name);
+ }
+
+ return oids.size();
+}
+
+int RGWRados::list_raw_objects(const rgw_pool& pool, const string& prefix_filter,
+ int max, RGWListRawObjsCtx& ctx, list<string>& oids,
+ bool *is_truncated)
+{
+ if (!ctx.initialized) {
+ int r = list_raw_objects_init(pool, string(), &ctx);
+ if (r < 0) {
+ return r;
+ }
+ }
+
+ return list_raw_objects_next(prefix_filter, max, ctx, oids, is_truncated);
+}
+
+string RGWRados::list_raw_objs_get_cursor(RGWListRawObjsCtx& ctx)
+{
+ return pool_iterate_get_cursor(ctx.iter_ctx);
+}
+
+int RGWRados::list_bi_log_entries(RGWBucketInfo& bucket_info, int shard_id, string& marker, uint32_t max,
+ std::list<rgw_bi_log_entry>& result, bool *truncated)
+{
+ ldout(cct, 20) << __func__ << ": " << bucket_info.bucket << " marker " << marker << " shard_id=" << shard_id << " max " << max << dendl;
+ result.clear();
+
+ librados::IoCtx index_ctx;
+ map<int, string> oids;
+ map<int, cls_rgw_bi_log_list_ret> bi_log_lists;
+ map<int, string> bucket_instance_ids;
+ int r = open_bucket_index(bucket_info, index_ctx, oids, shard_id, &bucket_instance_ids);
+ if (r < 0)
+ return r;
+
+ BucketIndexShardsManager marker_mgr;
+ bool has_shards = (oids.size() > 1 || shard_id >= 0);
+ // If there are multiple shards for the bucket index object, the marker
+ // should have the pattern '{shard_id_1}#{shard_marker_1},{shard_id_2}#
+ // {shard_marker_2}...', if there is no sharding, the bi_log_list should
+ // only contain one record, and the key is the bucket instance id.
+ r = marker_mgr.from_string(marker, shard_id);
+ if (r < 0)
+ return r;
+
+ r = CLSRGWIssueBILogList(index_ctx, marker_mgr, max, oids, bi_log_lists, cct->_conf->rgw_bucket_index_max_aio)();
+ if (r < 0)
+ return r;
+
+ map<int, list<rgw_bi_log_entry>::iterator> vcurrents;
+ map<int, list<rgw_bi_log_entry>::iterator> vends;
+ if (truncated) {
+ *truncated = false;
+ }
+ map<int, cls_rgw_bi_log_list_ret>::iterator miter = bi_log_lists.begin();
+ for (; miter != bi_log_lists.end(); ++miter) {
+ int shard_id = miter->first;
+ vcurrents[shard_id] = miter->second.entries.begin();
+ vends[shard_id] = miter->second.entries.end();
+ if (truncated) {
+ *truncated = (*truncated || miter->second.truncated);
+ }
+ }
+
+ size_t total = 0;
+ bool has_more = true;
+ map<int, list<rgw_bi_log_entry>::iterator>::iterator viter;
+ map<int, list<rgw_bi_log_entry>::iterator>::iterator eiter;
+ while (total < max && has_more) {
+ has_more = false;
+
+ viter = vcurrents.begin();
+ eiter = vends.begin();
+
+ for (; total < max && viter != vcurrents.end(); ++viter, ++eiter) {
+ assert (eiter != vends.end());
+
+ int shard_id = viter->first;
+ list<rgw_bi_log_entry>::iterator& liter = viter->second;
+
+ if (liter == eiter->second){
+ continue;
+ }
+ rgw_bi_log_entry& entry = *(liter);
+ if (has_shards) {
+ char buf[16];
+ snprintf(buf, sizeof(buf), "%d", shard_id);
+ string tmp_id;
+ build_bucket_index_marker(buf, entry.id, &tmp_id);
+ entry.id.swap(tmp_id);
+ }
+ marker_mgr.add(shard_id, entry.id);
+ result.push_back(entry);
+ total++;
+ has_more = true;
+ ++liter;
+ }
+ }
+
+ if (truncated) {
+ for (viter = vcurrents.begin(), eiter = vends.begin(); viter != vcurrents.end(); ++viter, ++eiter) {
+ assert (eiter != vends.end());
+ *truncated = (*truncated || (viter->second != eiter->second));
+ }
+ }
+
+ // Refresh marker, if there are multiple shards, the output will look like
+ // '{shard_oid_1}#{shard_marker_1},{shard_oid_2}#{shard_marker_2}...',
+ // if there is no sharding, the simply marker (without oid) is returned
+ if (has_shards) {
+ marker_mgr.to_string(&marker);
+ } else {
+ if (!result.empty()) {
+ marker = result.rbegin()->id;
+ }
+ }
+
+ return 0;
+}
+
+int RGWRados::trim_bi_log_entries(RGWBucketInfo& bucket_info, int shard_id, string& start_marker, string& end_marker)
+{
+ librados::IoCtx index_ctx;
+ map<int, string> bucket_objs;
+
+ BucketIndexShardsManager start_marker_mgr;
+ BucketIndexShardsManager end_marker_mgr;
+
+ int r = open_bucket_index(bucket_info, index_ctx, bucket_objs, shard_id);
+ if (r < 0) {
+ return r;
+ }
+
+ r = start_marker_mgr.from_string(start_marker, shard_id);
+ if (r < 0) {
+ return r;
+ }
+
+ r = end_marker_mgr.from_string(end_marker, shard_id);
+ if (r < 0) {
+ return r;
+ }
+
+ return CLSRGWIssueBILogTrim(index_ctx, start_marker_mgr, end_marker_mgr, bucket_objs,
+ cct->_conf->rgw_bucket_index_max_aio)();
+
+ return r;
+}
+
+int RGWRados::resync_bi_log_entries(RGWBucketInfo& bucket_info, int shard_id)
+{
+ librados::IoCtx index_ctx;
+ map<int, string> bucket_objs;
+ int r = open_bucket_index(bucket_info, index_ctx, bucket_objs, shard_id);
+ if (r < 0)
+ return r;
+
+ return CLSRGWIssueResyncBucketBILog(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio)();
+}
+
+int RGWRados::stop_bi_log_entries(RGWBucketInfo& bucket_info, int shard_id)
+{
+ librados::IoCtx index_ctx;
+ map<int, string> bucket_objs;
+ int r = open_bucket_index(bucket_info, index_ctx, bucket_objs, shard_id);
+ if (r < 0)
+ return r;
+
+ return CLSRGWIssueBucketBILogStop(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio)();
+}
+
+int RGWRados::bi_get_instance(const RGWBucketInfo& bucket_info, rgw_obj& obj, rgw_bucket_dir_entry *dirent)
+{
+ rgw_rados_ref ref;
+ int r = get_obj_head_ref(bucket_info, obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ rgw_cls_bi_entry bi_entry;
+ r = bi_get(obj.bucket, obj, InstanceIdx, &bi_entry);
+ if (r < 0 && r != -ENOENT) {
+ ldout(cct, 0) << "ERROR: bi_get() returned r=" << r << dendl;
+ }
+ if (r < 0) {
+ return r;
+ }
+ bufferlist::iterator iter = bi_entry.data.begin();
+ try {
+ ::decode(*dirent, iter);
+ } catch (buffer::error& err) {
+ ldout(cct, 0) << "ERROR: failed to decode bi_entry()" << dendl;
+ return -EIO;
+ }
+
+ return 0;
+}
+
+int RGWRados::bi_get(rgw_bucket& bucket, rgw_obj& obj, BIIndexType index_type, rgw_cls_bi_entry *entry)
+{
+ BucketShard bs(this);
+ int ret = bs.init(bucket, obj);
+ if (ret < 0) {
+ ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl;
+ return ret;
+ }
+
+ cls_rgw_obj_key key(obj.key.get_index_key_name(), obj.key.instance);
+
+ ret = cls_rgw_bi_get(bs.index_ctx, bs.bucket_obj, index_type, key, entry);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+void RGWRados::bi_put(ObjectWriteOperation& op, BucketShard& bs, rgw_cls_bi_entry& entry)
+{
+ cls_rgw_bi_put(op, bs.bucket_obj, entry);
+}
+
+int RGWRados::bi_put(BucketShard& bs, rgw_cls_bi_entry& entry)
+{
+ int ret = cls_rgw_bi_put(bs.index_ctx, bs.bucket_obj, entry);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+int RGWRados::bi_put(rgw_bucket& bucket, rgw_obj& obj, rgw_cls_bi_entry& entry)
+{
+ BucketShard bs(this);
+ int ret = bs.init(bucket, obj);
+ if (ret < 0) {
+ ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl;
+ return ret;
+ }
+
+ return bi_put(bs, entry);
+}
+
+int RGWRados::bi_list(rgw_bucket& bucket, const string& obj_name, const string& marker, uint32_t max, list<rgw_cls_bi_entry> *entries, bool *is_truncated)
+{
+ rgw_obj obj(bucket, obj_name);
+ BucketShard bs(this);
+ int ret = bs.init(bucket, obj);
+ if (ret < 0) {
+ ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl;
+ return ret;
+ }
+
+ ret = cls_rgw_bi_list(bs.index_ctx, bs.bucket_obj, obj_name, marker, max, entries, is_truncated);
+ if (ret == -ENOENT) {
+ *is_truncated = false;
+ }
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+int RGWRados::bi_list(BucketShard& bs, const string& filter_obj, const string& marker, uint32_t max, list<rgw_cls_bi_entry> *entries, bool *is_truncated)
+{
+ int ret = cls_rgw_bi_list(bs.index_ctx, bs.bucket_obj, filter_obj, marker, max, entries, is_truncated);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+int RGWRados::bi_remove(BucketShard& bs)
+{
+ int ret = bs.index_ctx.remove(bs.bucket_obj);
+ if (ret == -ENOENT) {
+ ret = 0;
+ }
+ if (ret < 0) {
+ ldout(cct, 5) << "bs.index_ctx.remove(" << bs.bucket_obj << ") returned ret=" << ret << dendl;
+ return ret;
+ }
+
+ return 0;
+}
+
+int RGWRados::bi_list(rgw_bucket& bucket, int shard_id, const string& filter_obj, const string& marker, uint32_t max, list<rgw_cls_bi_entry> *entries, bool *is_truncated)
+{
+ BucketShard bs(this);
+ int ret = bs.init(bucket, shard_id);
+ if (ret < 0) {
+ ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl;
+ return ret;
+ }
+
+ return bi_list(bs, filter_obj, marker, max, entries, is_truncated);
+}
+
+int RGWRados::gc_operate(string& oid, librados::ObjectWriteOperation *op)
+{
+ return gc_pool_ctx.operate(oid, op);
+}
+
+int RGWRados::gc_aio_operate(string& oid, librados::ObjectWriteOperation *op)
+{
+ AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL);
+ int r = gc_pool_ctx.aio_operate(oid, c, op);
+ c->release();
+ return r;
+}
+
+int RGWRados::gc_operate(string& oid, librados::ObjectReadOperation *op, bufferlist *pbl)
+{
+ return gc_pool_ctx.operate(oid, op, pbl);
+}
+
+int RGWRados::list_gc_objs(int *index, string& marker, uint32_t max, bool expired_only, std::list<cls_rgw_gc_obj_info>& result, bool *truncated)
+{
+ return gc->list(index, marker, max, expired_only, result, truncated);
+}
+
+int RGWRados::process_gc()
+{
+ return gc->process();
+}
+
+int RGWRados::list_lc_progress(const string& marker, uint32_t max_entries, map<string, int> *progress_map)
+{
+ return lc->list_lc_progress(marker, max_entries, progress_map);
+}
+
+int RGWRados::process_lc()
+{
+ return lc->process();
+}
+
+int RGWRados::process_expire_objects()
+{
+ obj_expirer->inspect_all_shards(utime_t(), ceph_clock_now());
+ return 0;
+}
+
+int RGWRados::cls_rgw_init_index(librados::IoCtx& index_ctx, librados::ObjectWriteOperation& op, string& oid)
+{
+ bufferlist in;
+ cls_rgw_bucket_init(op);
+ return index_ctx.operate(oid, &op);
+}
+
+int RGWRados::cls_obj_prepare_op(BucketShard& bs, RGWModifyOp op, string& tag,
+ rgw_obj& obj, uint16_t bilog_flags, rgw_zone_set *_zones_trace)
+{
+ rgw_zone_set zones_trace;
+ if (_zones_trace) {
+ zones_trace = *_zones_trace;
+ }
+ else {
+ zones_trace.insert(get_zone().id);
+ }
+
+ ObjectWriteOperation o;
+ cls_rgw_obj_key key(obj.key.get_index_key_name(), obj.key.instance);
+ cls_rgw_guard_bucket_resharding(o, -ERR_BUSY_RESHARDING);
+ cls_rgw_bucket_prepare_op(o, op, tag, key, obj.key.get_loc(), get_zone().log_data, bilog_flags, zones_trace);
+ return bs.index_ctx.operate(bs.bucket_obj, &o);
+}
+
+int RGWRados::cls_obj_complete_op(BucketShard& bs, const rgw_obj& obj, RGWModifyOp op, string& tag,
+ int64_t pool, uint64_t epoch,
+ rgw_bucket_dir_entry& ent, RGWObjCategory category,
+ list<rgw_obj_index_key> *remove_objs, uint16_t bilog_flags, rgw_zone_set *_zones_trace)
+{
+ ObjectWriteOperation o;
+ rgw_bucket_dir_entry_meta dir_meta;
+ dir_meta = ent.meta;
+ dir_meta.category = category;
+
+ rgw_bucket_entry_ver ver;
+ ver.pool = pool;
+ ver.epoch = epoch;
+ cls_rgw_obj_key key(ent.key.name, ent.key.instance);
+ cls_rgw_guard_bucket_resharding(o, -ERR_BUSY_RESHARDING);
+ cls_rgw_bucket_complete_op(o, op, tag, ver, key, dir_meta, remove_objs,
+ get_zone().log_data, bilog_flags, _zones_trace);
+ complete_op_data *arg;
+ index_completion_manager->create_completion(obj, op, tag, ver, key, dir_meta, remove_objs,
+ get_zone().log_data, bilog_flags, _zones_trace, &arg);
+ librados::AioCompletion *completion = arg->rados_completion;
+ int ret = bs.index_ctx.aio_operate(bs.bucket_obj, arg->rados_completion, &o);
+ completion->release(); /* can't reference arg here, as it might have already been released */
+ return ret;
+}
+
+int RGWRados::cls_obj_complete_add(BucketShard& bs, const rgw_obj& obj, string& tag,
+ int64_t pool, uint64_t epoch,
+ rgw_bucket_dir_entry& ent, RGWObjCategory category,
+ list<rgw_obj_index_key> *remove_objs, uint16_t bilog_flags, rgw_zone_set *zones_trace)
+{
+ return cls_obj_complete_op(bs, obj, CLS_RGW_OP_ADD, tag, pool, epoch, ent, category, remove_objs, bilog_flags, zones_trace);
+}
+
+int RGWRados::cls_obj_complete_del(BucketShard& bs, string& tag,
+ int64_t pool, uint64_t epoch,
+ rgw_obj& obj,
+ real_time& removed_mtime,
+ list<rgw_obj_index_key> *remove_objs,
+ uint16_t bilog_flags,
+ rgw_zone_set *zones_trace)
+{
+ rgw_bucket_dir_entry ent;
+ ent.meta.mtime = removed_mtime;
+ obj.key.get_index_key(&ent.key);
+ return cls_obj_complete_op(bs, obj, CLS_RGW_OP_DEL, tag, pool, epoch, ent, RGW_OBJ_CATEGORY_NONE, remove_objs, bilog_flags, zones_trace);
+}
+
+int RGWRados::cls_obj_complete_cancel(BucketShard& bs, string& tag, rgw_obj& obj, uint16_t bilog_flags, rgw_zone_set *zones_trace)
+{
+ rgw_bucket_dir_entry ent;
+ obj.key.get_index_key(&ent.key);
+ return cls_obj_complete_op(bs, obj, CLS_RGW_OP_CANCEL, tag, -1 /* pool id */, 0, ent, RGW_OBJ_CATEGORY_NONE, NULL, bilog_flags, zones_trace);
+}
+
+int RGWRados::cls_obj_set_bucket_tag_timeout(RGWBucketInfo& bucket_info, uint64_t timeout)
+{
+ librados::IoCtx index_ctx;
+ map<int, string> bucket_objs;
+ int r = open_bucket_index(bucket_info, index_ctx, bucket_objs);
+ if (r < 0)
+ return r;
+
+ return CLSRGWIssueSetTagTimeout(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio, timeout)();
+}
+
+int RGWRados::cls_bucket_list(RGWBucketInfo& bucket_info, int shard_id, rgw_obj_index_key& start, const string& prefix,
+ uint32_t num_entries, bool list_versions, map<string, rgw_bucket_dir_entry>& m,
+ bool *is_truncated, rgw_obj_index_key *last_entry,
+ bool (*force_check_filter)(const string& name))
+{
+ ldout(cct, 10) << "cls_bucket_list " << bucket_info.bucket << " start " << start.name << "[" << start.instance << "] num_entries " << num_entries << dendl;
+
+ librados::IoCtx index_ctx;
+ // key - oid (for different shards if there is any)
+ // value - list result for the corresponding oid (shard), it is filled by the AIO callback
+ map<int, string> oids;
+ map<int, struct rgw_cls_list_ret> list_results;
+ int r = open_bucket_index(bucket_info, index_ctx, oids, shard_id);
+ if (r < 0)
+ return r;
+
+ cls_rgw_obj_key start_key(start.name, start.instance);
+ r = CLSRGWIssueBucketList(index_ctx, start_key, prefix, num_entries, list_versions,
+ oids, list_results, cct->_conf->rgw_bucket_index_max_aio)();
+ if (r < 0)
+ return r;
+
+ // Create a list of iterators that are used to iterate each shard
+ vector<map<string, struct rgw_bucket_dir_entry>::iterator> vcurrents(list_results.size());
+ vector<map<string, struct rgw_bucket_dir_entry>::iterator> vends(list_results.size());
+ vector<string> vnames(list_results.size());
+ map<int, struct rgw_cls_list_ret>::iterator iter = list_results.begin();
+ *is_truncated = false;
+ for (; iter != list_results.end(); ++iter) {
+ vcurrents.push_back(iter->second.dir.m.begin());
+ vends.push_back(iter->second.dir.m.end());
+ vnames.push_back(oids[iter->first]);
+ *is_truncated = (*is_truncated || iter->second.is_truncated);
+ }
+
+ // Create a map to track the next candidate entry from each shard, if the entry
+ // from a specified shard is selected/erased, the next entry from that shard will
+ // be inserted for next round selection
+ map<string, size_t> candidates;
+ for (size_t i = 0; i < vcurrents.size(); ++i) {
+ if (vcurrents[i] != vends[i]) {
+ candidates[vcurrents[i]->first] = i;
+ }
+ }
+
+ map<string, bufferlist> updates;
+ uint32_t count = 0;
+ while (count < num_entries && !candidates.empty()) {
+ r = 0;
+ // Select the next one
+ int pos = candidates.begin()->second;
+ const string& name = vcurrents[pos]->first;
+ struct rgw_bucket_dir_entry& dirent = vcurrents[pos]->second;
+
+ bool force_check = force_check_filter &&
+ force_check_filter(dirent.key.name);
+ if ((!dirent.exists && !dirent.is_delete_marker()) ||
+ !dirent.pending_map.empty() ||
+ force_check) {
+ /* there are uncommitted ops. We need to check the current state,
+ * and if the tags are old we need to do cleanup as well. */
+ librados::IoCtx sub_ctx;
+ sub_ctx.dup(index_ctx);
+ r = check_disk_state(sub_ctx, bucket_info, dirent, dirent, updates[vnames[pos]]);
+ if (r < 0 && r != -ENOENT) {
+ return r;
+ }
+ }
+ if (r >= 0) {
+ ldout(cct, 10) << "RGWRados::cls_bucket_list: got " << dirent.key.name << "[" << dirent.key.instance << "]" << dendl;
+ m[name] = std::move(dirent);
+ ++count;
+ }
+
+ // Refresh the candidates map
+ candidates.erase(candidates.begin());
+ ++vcurrents[pos];
+ if (vcurrents[pos] != vends[pos]) {
+ candidates[vcurrents[pos]->first] = pos;
+ }
+ }
+
+ // Suggest updates if there is any
+ map<string, bufferlist>::iterator miter = updates.begin();
+ for (; miter != updates.end(); ++miter) {
+ if (miter->second.length()) {
+ ObjectWriteOperation o;
+ cls_rgw_suggest_changes(o, miter->second);
+ // we don't care if we lose suggested updates, send them off blindly
+ AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL);
+ index_ctx.aio_operate(miter->first, c, &o);
+ c->release();
+ }
+ }
+
+ // Check if all the returned entries are consumed or not
+ for (size_t i = 0; i < vcurrents.size(); ++i) {
+ if (vcurrents[i] != vends[i])
+ *is_truncated = true;
+ }
+ if (!m.empty())
+ *last_entry = m.rbegin()->first;
+
+ return 0;
+}
+
+int RGWRados::cls_obj_usage_log_add(const string& oid, rgw_usage_log_info& info)
+{
+ rgw_raw_obj obj(get_zone_params().usage_log_pool, oid);
+
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ ObjectWriteOperation op;
+ cls_rgw_usage_log_add(op, info);
+
+ r = ref.ioctx.operate(ref.oid, &op);
+ return r;
+}
+
+int RGWRados::cls_obj_usage_log_read(string& oid, string& user, uint64_t start_epoch, uint64_t end_epoch, uint32_t max_entries,
+ string& read_iter, map<rgw_user_bucket, rgw_usage_log_entry>& usage, bool *is_truncated)
+{
+ rgw_raw_obj obj(get_zone_params().usage_log_pool, oid);
+
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ *is_truncated = false;
+
+ r = cls_rgw_usage_log_read(ref.ioctx, ref.oid, user, start_epoch, end_epoch,
+ max_entries, read_iter, usage, is_truncated);
+
+ return r;
+}
+
+int RGWRados::cls_obj_usage_log_trim(string& oid, string& user, uint64_t start_epoch, uint64_t end_epoch)
+{
+ rgw_raw_obj obj(get_zone_params().usage_log_pool, oid);
+
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ ObjectWriteOperation op;
+ cls_rgw_usage_log_trim(op, user, start_epoch, end_epoch);
+
+ r = ref.ioctx.operate(ref.oid, &op);
+ return r;
+}
+
+int RGWRados::remove_objs_from_index(RGWBucketInfo& bucket_info, list<rgw_obj_index_key>& oid_list)
+{
+ librados::IoCtx index_ctx;
+ string dir_oid;
+
+ uint8_t suggest_flag = (get_zone().log_data ? CEPH_RGW_DIR_SUGGEST_LOG_OP : 0);
+
+ int r = open_bucket_index(bucket_info, index_ctx, dir_oid);
+ if (r < 0)
+ return r;
+
+ bufferlist updates;
+
+ for (auto iter = oid_list.begin(); iter != oid_list.end(); ++iter) {
+ rgw_bucket_dir_entry entry;
+ entry.key = *iter;
+ dout(2) << "RGWRados::remove_objs_from_index bucket=" << bucket_info.bucket << " obj=" << entry.key.name << ":" << entry.key.instance << dendl;
+ entry.ver.epoch = (uint64_t)-1; // ULLONG_MAX, needed to that objclass doesn't skip out request
+ updates.append(CEPH_RGW_REMOVE | suggest_flag);
+ ::encode(entry, updates);
+ }
+
+ bufferlist out;
+
+ r = index_ctx.exec(dir_oid, RGW_CLASS, RGW_DIR_SUGGEST_CHANGES, updates, out);
+
+ return r;
+}
+
+int RGWRados::check_disk_state(librados::IoCtx io_ctx,
+ const RGWBucketInfo& bucket_info,
+ rgw_bucket_dir_entry& list_state,
+ rgw_bucket_dir_entry& object,
+ bufferlist& suggested_updates)
+{
+ const rgw_bucket& bucket = bucket_info.bucket;
+ uint8_t suggest_flag = (get_zone().log_data ? CEPH_RGW_DIR_SUGGEST_LOG_OP : 0);
+
+ std::string loc;
+
+ rgw_obj obj(bucket, list_state.key);
+
+ string oid;
+ get_obj_bucket_and_oid_loc(obj, oid, loc);
+
+ if (loc != list_state.locator) {
+ ldout(cct, 0) << "WARNING: generated locator (" << loc << ") is different from listed locator (" << list_state.locator << ")" << dendl;
+ }
+
+ io_ctx.locator_set_key(list_state.locator);
+
+ RGWObjState *astate = NULL;
+ RGWObjectCtx rctx(this);
+ int r = get_obj_state(&rctx, bucket_info, obj, &astate, false);
+ if (r < 0)
+ return r;
+
+ list_state.pending_map.clear(); // we don't need this and it inflates size
+ if (!astate->exists) {
+ /* object doesn't exist right now -- hopefully because it's
+ * marked as !exists and got deleted */
+ if (list_state.exists) {
+ /* FIXME: what should happen now? Work out if there are any
+ * non-bad ways this could happen (there probably are, but annoying
+ * to handle!) */
+ }
+ // encode a suggested removal of that key
+ list_state.ver.epoch = io_ctx.get_last_version();
+ list_state.ver.pool = io_ctx.get_id();
+ cls_rgw_encode_suggestion(CEPH_RGW_REMOVE, list_state, suggested_updates);
+ return -ENOENT;
+ }
+
+ string etag;
+ string content_type;
+ ACLOwner owner;
+
+ object.meta.size = astate->size;
+ object.meta.accounted_size = astate->accounted_size;
+ object.meta.mtime = astate->mtime;
+
+ map<string, bufferlist>::iterator iter = astate->attrset.find(RGW_ATTR_ETAG);
+ if (iter != astate->attrset.end()) {
+ etag = iter->second.c_str();
+ }
+ iter = astate->attrset.find(RGW_ATTR_CONTENT_TYPE);
+ if (iter != astate->attrset.end()) {
+ content_type = iter->second.c_str();
+ }
+ iter = astate->attrset.find(RGW_ATTR_ACL);
+ if (iter != astate->attrset.end()) {
+ r = decode_policy(iter->second, &owner);
+ if (r < 0) {
+ dout(0) << "WARNING: could not decode policy for object: " << obj << dendl;
+ }
+ }
+
+ if (astate->has_manifest) {
+ RGWObjManifest::obj_iterator miter;
+ RGWObjManifest& manifest = astate->manifest;
+ for (miter = manifest.obj_begin(); miter != manifest.obj_end(); ++miter) {
+ const rgw_raw_obj& raw_loc = miter.get_location().get_raw_obj(this);
+ rgw_obj loc;
+ rgw_raw_obj_to_obj(manifest.get_obj().bucket, raw_loc, &loc);
+
+ if (loc.key.ns == RGW_OBJ_NS_MULTIPART) {
+ dout(10) << "check_disk_state(): removing manifest part from index: " << loc << dendl;
+ r = delete_obj_index(loc);
+ if (r < 0) {
+ dout(0) << "WARNING: delete_obj_index() returned r=" << r << dendl;
+ }
+ }
+ }
+ }
+
+ object.meta.etag = etag;
+ object.meta.content_type = content_type;
+ object.meta.owner = owner.get_id().to_str();
+ object.meta.owner_display_name = owner.get_display_name();
+
+ // encode suggested updates
+ list_state.ver.pool = io_ctx.get_id();
+ list_state.ver.epoch = astate->epoch;
+ list_state.meta.size = object.meta.size;
+ list_state.meta.accounted_size = object.meta.accounted_size;
+ list_state.meta.mtime = object.meta.mtime;
+ list_state.meta.category = main_category;
+ list_state.meta.etag = etag;
+ list_state.meta.content_type = content_type;
+ if (astate->obj_tag.length() > 0)
+ list_state.tag = astate->obj_tag.c_str();
+ list_state.meta.owner = owner.get_id().to_str();
+ list_state.meta.owner_display_name = owner.get_display_name();
+
+ list_state.exists = true;
+ cls_rgw_encode_suggestion(CEPH_RGW_UPDATE | suggest_flag, list_state, suggested_updates);
+ return 0;
+}
+
+int RGWRados::cls_bucket_head(const RGWBucketInfo& bucket_info, int shard_id, map<string, struct rgw_bucket_dir_header>& headers, map<int, string> *bucket_instance_ids)
+{
+ librados::IoCtx index_ctx;
+ map<int, string> oids;
+ map<int, struct rgw_cls_list_ret> list_results;
+ int r = open_bucket_index(bucket_info, index_ctx, oids, list_results, shard_id, bucket_instance_ids);
+ if (r < 0)
+ return r;
+
+ r = CLSRGWIssueGetDirHeader(index_ctx, oids, list_results, cct->_conf->rgw_bucket_index_max_aio)();
+ if (r < 0)
+ return r;
+
+ map<int, struct rgw_cls_list_ret>::iterator iter = list_results.begin();
+ for(; iter != list_results.end(); ++iter) {
+ headers[oids[iter->first]] = iter->second.dir.header;
+ }
+ return 0;
+}
+
+int RGWRados::cls_bucket_head_async(const RGWBucketInfo& bucket_info, int shard_id, RGWGetDirHeader_CB *ctx, int *num_aio)
+{
+ librados::IoCtx index_ctx;
+ map<int, string> bucket_objs;
+ int r = open_bucket_index(bucket_info, index_ctx, bucket_objs, shard_id);
+ if (r < 0)
+ return r;
+
+ map<int, string>::iterator iter = bucket_objs.begin();
+ for (; iter != bucket_objs.end(); ++iter) {
+ r = cls_rgw_get_dir_header_async(index_ctx, iter->second, static_cast<RGWGetDirHeader_CB*>(ctx->get()));
+ if (r < 0) {
+ ctx->put();
+ break;
+ } else {
+ (*num_aio)++;
+ }
+ }
+ return r;
+}
+
+int RGWRados::cls_user_get_header(const string& user_id, cls_user_header *header)
+{
+ string buckets_obj_id;
+ rgw_get_buckets_obj(user_id, buckets_obj_id);
+ rgw_raw_obj obj(get_zone_params().user_uid_pool, buckets_obj_id);
+
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ librados::ObjectReadOperation op;
+ int rc;
+ ::cls_user_get_header(op, header, &rc);
+ bufferlist ibl;
+ r = ref.ioctx.operate(ref.oid, &op, &ibl);
+ if (r < 0)
+ return r;
+ if (rc < 0)
+ return rc;
+
+ return 0;
+}
+
+int RGWRados::cls_user_get_header_async(const string& user_id, RGWGetUserHeader_CB *ctx)
+{
+ string buckets_obj_id;
+ rgw_get_buckets_obj(user_id, buckets_obj_id);
+ rgw_raw_obj obj(get_zone_params().user_uid_pool, buckets_obj_id);
+
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ r = ::cls_user_get_header_async(ref.ioctx, ref.oid, ctx);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+int RGWRados::cls_user_sync_bucket_stats(rgw_raw_obj& user_obj, const RGWBucketInfo& bucket_info)
+{
+ map<string, struct rgw_bucket_dir_header> headers;
+ int r = cls_bucket_head(bucket_info, RGW_NO_SHARD, headers);
+ if (r < 0) {
+ ldout(cct, 20) << "cls_bucket_header() returned " << r << dendl;
+ return r;
+ }
+
+ cls_user_bucket_entry entry;
+
+ bucket_info.bucket.convert(&entry.bucket);
+
+ for (const auto& hiter : headers) {
+ for (const auto& iter : hiter.second.stats) {
+ const struct rgw_bucket_category_stats& header_stats = iter.second;
+ entry.size += header_stats.total_size;
+ entry.size_rounded += header_stats.total_size_rounded;
+ entry.count += header_stats.num_entries;
+ }
+ }
+
+ list<cls_user_bucket_entry> entries;
+ entries.push_back(entry);
+
+ r = cls_user_update_buckets(user_obj, entries, false);
+ if (r < 0) {
+ ldout(cct, 20) << "cls_user_update_buckets() returned " << r << dendl;
+ return r;
+ }
+
+ return 0;
+}
+
+int RGWRados::cls_user_get_bucket_stats(const rgw_bucket& bucket, cls_user_bucket_entry& entry)
+{
+ map<string, struct rgw_bucket_dir_header> headers;
+ RGWBucketInfo bucket_info;
+ RGWObjectCtx obj_ctx(this);
+ int ret = get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, NULL);
+ if (ret < 0) {
+ return ret;
+ }
+
+ ret = cls_bucket_head(bucket_info, RGW_NO_SHARD, headers);
+ if (ret < 0) {
+ ldout(cct, 20) << "cls_bucket_header() returned " << ret << dendl;
+ return ret;
+ }
+
+ bucket.convert(&entry.bucket);
+
+ for (const auto& hiter : headers) {
+ for (const auto& iter : hiter.second.stats) {
+ const struct rgw_bucket_category_stats& header_stats = iter.second;
+ entry.size += header_stats.total_size;
+ entry.size_rounded += header_stats.total_size_rounded;
+ entry.count += header_stats.num_entries;
+ }
+ }
+
+ return 0;
+}
+
+int RGWRados::cls_user_list_buckets(rgw_raw_obj& obj,
+ const string& in_marker,
+ const string& end_marker,
+ const int max_entries,
+ list<cls_user_bucket_entry>& entries,
+ string * const out_marker,
+ bool * const truncated)
+{
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ librados::ObjectReadOperation op;
+ int rc;
+
+ cls_user_bucket_list(op, in_marker, end_marker, max_entries, entries, out_marker, truncated, &rc);
+ bufferlist ibl;
+ r = ref.ioctx.operate(ref.oid, &op, &ibl);
+ if (r < 0)
+ return r;
+ if (rc < 0)
+ return rc;
+
+ return 0;
+}
+
+int RGWRados::cls_user_update_buckets(rgw_raw_obj& obj, list<cls_user_bucket_entry>& entries, bool add)
+{
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ librados::ObjectWriteOperation op;
+ cls_user_set_buckets(op, entries, add);
+ r = ref.ioctx.operate(ref.oid, &op);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+int RGWRados::complete_sync_user_stats(const rgw_user& user_id)
+{
+ string buckets_obj_id;
+ rgw_get_buckets_obj(user_id, buckets_obj_id);
+ rgw_raw_obj obj(get_zone_params().user_uid_pool, buckets_obj_id);
+ return cls_user_complete_stats_sync(obj);
+}
+
+int RGWRados::cls_user_complete_stats_sync(rgw_raw_obj& obj)
+{
+ rgw_rados_ref ref;
+ int r = get_raw_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ librados::ObjectWriteOperation op;
+ ::cls_user_complete_stats_sync(op);
+ r = ref.ioctx.operate(ref.oid, &op);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+int RGWRados::cls_user_add_bucket(rgw_raw_obj& obj, const cls_user_bucket_entry& entry)
+{
+ list<cls_user_bucket_entry> l;
+ l.push_back(entry);
+
+ return cls_user_update_buckets(obj, l, true);
+}
+
+int RGWRados::cls_user_remove_bucket(rgw_raw_obj& obj, const cls_user_bucket& bucket)
+{
+ rgw_rados_ref ref;
+ int r = get_system_obj_ref(obj, &ref);
+ if (r < 0) {
+ return r;
+ }
+
+ librados::ObjectWriteOperation op;
+ ::cls_user_remove_bucket(op, bucket);
+ r = ref.ioctx.operate(ref.oid, &op);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+int RGWRados::check_bucket_shards(const RGWBucketInfo& bucket_info, const rgw_bucket& bucket,
+ RGWQuotaInfo& bucket_quota)
+{
+ if (!cct->_conf->rgw_dynamic_resharding) {
+ return 0;
+ }
+
+ bool need_resharding = false;
+ int num_source_shards = (bucket_info.num_shards > 0 ? bucket_info.num_shards : 1);
+ uint32_t suggested_num_shards;
+
+ int ret = quota_handler->check_bucket_shards((uint64_t)cct->_conf->rgw_max_objs_per_shard,
+ num_source_shards, bucket_info.owner, bucket, bucket_quota,
+ 1, need_resharding, &suggested_num_shards);
+ if (ret < 0) {
+ return ret;
+ }
+
+ if (need_resharding) {
+ ldout(cct, 20) << __func__ << " bucket " << bucket.name << " need resharding " <<
+ " old num shards " << bucket_info.num_shards << " new num shards " << suggested_num_shards <<
+ dendl;
+ return add_bucket_to_reshard(bucket_info, suggested_num_shards);
+ }
+
+ return ret;
+}
+
+int RGWRados::add_bucket_to_reshard(const RGWBucketInfo& bucket_info, uint32_t new_num_shards)
+{
+ RGWReshard reshard(this);
+
+ uint32_t num_source_shards = (bucket_info.num_shards > 0 ? bucket_info.num_shards : 1);
+
+ new_num_shards = min(new_num_shards, get_max_bucket_shards());
+ if (new_num_shards <= num_source_shards) {
+ ldout(cct, 20) << "not resharding bucket name=" << bucket_info.bucket.name << ", orig_num=" << num_source_shards << ", new_num_shards=" << new_num_shards << dendl;
+ return 0;
+ }
+
+ cls_rgw_reshard_entry entry;
+ entry.time = real_clock::now();
+ entry.tenant = bucket_info.owner.tenant;
+ entry.bucket_name = bucket_info.bucket.name;
+ entry.bucket_id = bucket_info.bucket.bucket_id;
+ entry.old_num_shards = num_source_shards;
+ entry.new_num_shards = new_num_shards;
+
+ return reshard.add(entry);
+}
+
+int RGWRados::check_quota(const rgw_user& bucket_owner, rgw_bucket& bucket,
+ RGWQuotaInfo& user_quota, RGWQuotaInfo& bucket_quota, uint64_t obj_size)
+{
+ return quota_handler->check_quota(bucket_owner, bucket, user_quota, bucket_quota, 1, obj_size);
+}
+
+void RGWRados::get_bucket_index_objects(const string& bucket_oid_base,
+ uint32_t num_shards, map<int, string>& bucket_objects, int shard_id)
+{
+ if (!num_shards) {
+ bucket_objects[0] = bucket_oid_base;
+ } else {
+ char buf[bucket_oid_base.size() + 32];
+ if (shard_id < 0) {
+ for (uint32_t i = 0; i < num_shards; ++i) {
+ snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), i);
+ bucket_objects[i] = buf;
+ }
+ } else {
+ if ((uint32_t)shard_id > num_shards) {
+ return;
+ }
+ snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), shard_id);
+ bucket_objects[shard_id] = buf;
+ }
+ }
+}
+
+void RGWRados::get_bucket_instance_ids(const RGWBucketInfo& bucket_info, int shard_id, map<int, string> *result)
+{
+ const rgw_bucket& bucket = bucket_info.bucket;
+ string plain_id = bucket.name + ":" + bucket.bucket_id;
+ if (!bucket_info.num_shards) {
+ (*result)[0] = plain_id;
+ } else {
+ char buf[16];
+ if (shard_id < 0) {
+ for (uint32_t i = 0; i < bucket_info.num_shards; ++i) {
+ snprintf(buf, sizeof(buf), ":%d", i);
+ (*result)[i] = plain_id + buf;
+ }
+ } else {
+ if ((uint32_t)shard_id > bucket_info.num_shards) {
+ return;
+ }
+ snprintf(buf, sizeof(buf), ":%d", shard_id);
+ (*result)[shard_id] = plain_id + buf;
+ }
+ }
+}
+
+int RGWRados::get_target_shard_id(const RGWBucketInfo& bucket_info, const string& obj_key,
+ int *shard_id)
+{
+ int r = 0;
+ switch (bucket_info.bucket_index_shard_hash_type) {
+ case RGWBucketInfo::MOD:
+ if (!bucket_info.num_shards) {
+ if (shard_id) {
+ *shard_id = -1;
+ }
+ } else {
+ uint32_t sid = ceph_str_hash_linux(obj_key.c_str(), obj_key.size());
+ uint32_t sid2 = sid ^ ((sid & 0xFF) << 24);
+ sid = rgw_shards_mod(sid2, bucket_info.num_shards);
+ if (shard_id) {
+ *shard_id = (int)sid;
+ }
+ }
+ break;
+ default:
+ r = -ENOTSUP;
+ }
+ return r;
+}
+
+void RGWRados::get_bucket_index_object(const string& bucket_oid_base, uint32_t num_shards,
+ int shard_id, string *bucket_obj)
+{
+ if (!num_shards) {
+ // By default with no sharding, we use the bucket oid as itself
+ (*bucket_obj) = bucket_oid_base;
+ } else {
+ char buf[bucket_oid_base.size() + 32];
+ snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), shard_id);
+ (*bucket_obj) = buf;
+ }
+}
+
+int RGWRados::get_bucket_index_object(const string& bucket_oid_base, const string& obj_key,
+ uint32_t num_shards, RGWBucketInfo::BIShardsHashType hash_type, string *bucket_obj, int *shard_id)
+{
+ int r = 0;
+ switch (hash_type) {
+ case RGWBucketInfo::MOD:
+ if (!num_shards) {
+ // By default with no sharding, we use the bucket oid as itself
+ (*bucket_obj) = bucket_oid_base;
+ if (shard_id) {
+ *shard_id = -1;
+ }
+ } else {
+ uint32_t sid = ceph_str_hash_linux(obj_key.c_str(), obj_key.size());
+ uint32_t sid2 = sid ^ ((sid & 0xFF) << 24);
+ sid = rgw_shards_mod(sid2, num_shards);
+ char buf[bucket_oid_base.size() + 32];
+ snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), sid);
+ (*bucket_obj) = buf;
+ if (shard_id) {
+ *shard_id = (int)sid;
+ }
+ }
+ break;
+ default:
+ r = -ENOTSUP;
+ }
+ return r;
+}
+
+void RGWStateLog::oid_str(int shard, string& oid) {
+ oid = RGW_STATELOG_OBJ_PREFIX + module_name + ".";
+ char buf[16];
+ snprintf(buf, sizeof(buf), "%d", shard);
+ oid += buf;
+}
+
+int RGWStateLog::get_shard_num(const string& object) {
+ uint32_t val = ceph_str_hash_linux(object.c_str(), object.length());
+ return val % num_shards;
+}
+
+string RGWStateLog::get_oid(const string& object) {
+ int shard = get_shard_num(object);
+ string oid;
+ oid_str(shard, oid);
+ return oid;
+}
+
+int RGWStateLog::open_ioctx(librados::IoCtx& ioctx) {
+ rgw_pool pool;
+ store->get_log_pool(pool);
+ int r = rgw_init_ioctx(store->get_rados_handle(), pool, ioctx);
+ if (r < 0) {
+ lderr(store->ctx()) << "ERROR: could not open rados pool" << dendl;
+ return r;
+ }
+ return 0;
+}
+
+int RGWStateLog::store_entry(const string& client_id, const string& op_id, const string& object,
+ uint32_t state, bufferlist *bl, uint32_t *check_state)
+{
+ if (client_id.empty() ||
+ op_id.empty() ||
+ object.empty()) {
+ ldout(store->ctx(), 0) << "client_id / op_id / object is empty" << dendl;
+ }
+
+ librados::IoCtx ioctx;
+ int r = open_ioctx(ioctx);
+ if (r < 0)
+ return r;
+
+ string oid = get_oid(object);
+
+ librados::ObjectWriteOperation op;
+ if (check_state) {
+ cls_statelog_check_state(op, client_id, op_id, object, *check_state);
+ }
+ utime_t ts = ceph_clock_now();
+ bufferlist nobl;
+ cls_statelog_add(op, client_id, op_id, object, ts, state, (bl ? *bl : nobl));
+ r = ioctx.operate(oid, &op);
+ if (r < 0) {
+ return r;
+ }
+
+ return 0;
+}
+
+int RGWStateLog::remove_entry(const string& client_id, const string& op_id, const string& object)
+{
+ if (client_id.empty() ||
+ op_id.empty() ||
+ object.empty()) {
+ ldout(store->ctx(), 0) << "client_id / op_id / object is empty" << dendl;
+ }
+
+ librados::IoCtx ioctx;
+ int r = open_ioctx(ioctx);
+ if (r < 0)
+ return r;
+
+ string oid = get_oid(object);
+
+ librados::ObjectWriteOperation op;
+ cls_statelog_remove_by_object(op, object, op_id);
+ r = ioctx.operate(oid, &op);
+ if (r < 0) {
+ return r;
+ }
+
+ return 0;
+}
+
+void RGWStateLog::init_list_entries(const string& client_id, const string& op_id, const string& object,
+ void **handle)
+{
+ list_state *state = new list_state;
+ state->client_id = client_id;
+ state->op_id = op_id;
+ state->object = object;
+ if (object.empty()) {
+ state->cur_shard = 0;
+ state->max_shard = num_shards - 1;
+ } else {
+ state->cur_shard = state->max_shard = get_shard_num(object);
+ }
+ *handle = (void *)state;
+}
+
+int RGWStateLog::list_entries(void *handle, int max_entries,
+ list<cls_statelog_entry>& entries,
+ bool *done)
+{
+ list_state *state = static_cast<list_state *>(handle);
+
+ librados::IoCtx ioctx;
+ int r = open_ioctx(ioctx);
+ if (r < 0)
+ return r;
+
+ entries.clear();
+
+ for (; state->cur_shard <= state->max_shard && max_entries > 0; ++state->cur_shard) {
+ string oid;
+ oid_str(state->cur_shard, oid);
+
+ librados::ObjectReadOperation op;
+ list<cls_statelog_entry> ents;
+ bool truncated;
+ cls_statelog_list(op, state->client_id, state->op_id, state->object, state->marker,
+ max_entries, ents, &state->marker, &truncated);
+ bufferlist ibl;
+ r = ioctx.operate(oid, &op, &ibl);
+ if (r == -ENOENT) {
+ truncated = false;
+ r = 0;
+ }
+ if (r < 0) {
+ ldout(store->ctx(), 0) << "cls_statelog_list returned " << r << dendl;
+ return r;
+ }
+
+ if (!truncated) {
+ state->marker.clear();
+ }
+
+ max_entries -= ents.size();
+
+ entries.splice(entries.end(), ents);
+
+ if (truncated)
+ break;
+ }
+
+ *done = (state->cur_shard > state->max_shard);
+
+ return 0;
+}
+
+void RGWStateLog::finish_list_entries(void *handle)
+{
+ list_state *state = static_cast<list_state *>(handle);
+ delete state;
+}
+
+void RGWStateLog::dump_entry(const cls_statelog_entry& entry, Formatter *f)
+{
+ f->open_object_section("statelog_entry");
+ f->dump_string("client_id", entry.client_id);
+ f->dump_string("op_id", entry.op_id);
+ f->dump_string("object", entry.object);
+ entry.timestamp.gmtime_nsec(f->dump_stream("timestamp"));
+ if (!dump_entry_internal(entry, f)) {
+ f->dump_int("state", entry.state);
+ }
+ f->close_section();
+}
+
+RGWOpState::RGWOpState(RGWRados *_store) : RGWStateLog(_store, _store->ctx()->_conf->rgw_num_zone_opstate_shards, string("obj_opstate"))
+{
+}
+
+bool RGWOpState::dump_entry_internal(const cls_statelog_entry& entry, Formatter *f)
+{
+ string s;
+ switch ((OpState)entry.state) {
+ case OPSTATE_UNKNOWN:
+ s = "unknown";
+ break;
+ case OPSTATE_IN_PROGRESS:
+ s = "in-progress";
+ break;
+ case OPSTATE_COMPLETE:
+ s = "complete";
+ break;
+ case OPSTATE_ERROR:
+ s = "error";
+ break;
+ case OPSTATE_ABORT:
+ s = "abort";
+ break;
+ case OPSTATE_CANCELLED:
+ s = "cancelled";
+ break;
+ default:
+ s = "invalid";
+ }
+ f->dump_string("state", s);
+ return true;
+}
+
+int RGWOpState::state_from_str(const string& s, OpState *state)
+{
+ if (s == "unknown") {
+ *state = OPSTATE_UNKNOWN;
+ } else if (s == "in-progress") {
+ *state = OPSTATE_IN_PROGRESS;
+ } else if (s == "complete") {
+ *state = OPSTATE_COMPLETE;
+ } else if (s == "error") {
+ *state = OPSTATE_ERROR;
+ } else if (s == "abort") {
+ *state = OPSTATE_ABORT;
+ } else if (s == "cancelled") {
+ *state = OPSTATE_CANCELLED;
+ } else {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int RGWOpState::set_state(const string& client_id, const string& op_id, const string& object, OpState state)
+{
+ uint32_t s = (uint32_t)state;
+ return store_entry(client_id, op_id, object, s, NULL, NULL);
+}
+
+int RGWOpState::renew_state(const string& client_id, const string& op_id, const string& object, OpState state)
+{
+ uint32_t s = (uint32_t)state;
+ return store_entry(client_id, op_id, object, s, NULL, &s);
+}
+
+RGWOpStateSingleOp::RGWOpStateSingleOp(RGWRados *store, const string& cid, const string& oid,
+ const string& obj) : os(store), client_id(cid), op_id(oid), object(obj)
+{
+ cct = store->ctx();
+ cur_state = RGWOpState::OPSTATE_UNKNOWN;
+}
+
+int RGWOpStateSingleOp::set_state(RGWOpState::OpState state) {
+ last_update = real_clock::now();
+ cur_state = state;
+ return os.set_state(client_id, op_id, object, state);
+}
+
+int RGWOpStateSingleOp::renew_state() {
+ real_time now = real_clock::now();
+
+ int rate_limit_sec = cct->_conf->rgw_opstate_ratelimit_sec;
+
+ if (rate_limit_sec && now - last_update < make_timespan(rate_limit_sec)) {
+ return 0;
+ }
+
+ last_update = now;
+ return os.renew_state(client_id, op_id, object, cur_state);
+}
+
+
+uint64_t RGWRados::instance_id()
+{
+ return get_rados_handle()->get_instance_id();
+}
+
+uint64_t RGWRados::next_bucket_id()
+{
+ Mutex::Locker l(bucket_id_lock);
+ return ++max_bucket_id;
+}
+
+RGWRados *RGWStoreManager::init_storage_provider(CephContext *cct, bool use_gc_thread, bool use_lc_thread, bool quota_threads, bool run_sync_thread, bool run_reshard_thread)
+{
+ int use_cache = cct->_conf->rgw_cache_enabled;
+ RGWRados *store = NULL;
+ if (!use_cache) {
+ store = new RGWRados;
+ } else {
+ store = new RGWCache<RGWRados>;
+ }
+
+ if (store->initialize(cct, use_gc_thread, use_lc_thread, quota_threads, run_sync_thread, run_reshard_thread) < 0) {
+ delete store;
+ return NULL;
+ }
+
+ return store;
+}
+
+RGWRados *RGWStoreManager::init_raw_storage_provider(CephContext *cct)
+{
+ RGWRados *store = NULL;
+ store = new RGWRados;
+
+ store->set_context(cct);
+
+ if (store->init_rados() < 0) {
+ delete store;
+ return NULL;
+ }
+
+ return store;
+}
+
+void RGWStoreManager::close_storage(RGWRados *store)
+{
+ if (!store)
+ return;
+
+ store->finalize();
+
+ delete store;
+}
+
+librados::Rados* RGWRados::get_rados_handle()
+{
+ if (rados.size() == 1) {
+ return &rados[0];
+ } else {
+ handle_lock.get_read();
+ pthread_t id = pthread_self();
+ std::map<pthread_t, int>:: iterator it = rados_map.find(id);
+
+ if (it != rados_map.end()) {
+ handle_lock.put_read();
+ return &rados[it->second];
+ } else {
+ handle_lock.put_read();
+ handle_lock.get_write();
+ const uint32_t handle = next_rados_handle;
+ rados_map[id] = handle;
+ if (++next_rados_handle == rados.size()) {
+ next_rados_handle = 0;
+ }
+ handle_lock.put_write();
+ return &rados[handle];
+ }
+ }
+}
+
+int RGWRados::delete_raw_obj_aio(const rgw_raw_obj& obj, list<librados::AioCompletion *>& handles)
+{
+ rgw_rados_ref ref;
+ int ret = get_raw_obj_ref(obj, &ref);
+ if (ret < 0) {
+ lderr(cct) << "ERROR: failed to get obj ref with ret=" << ret << dendl;
+ return ret;
+ }
+
+ ObjectWriteOperation op;
+ list<string> prefixes;
+ cls_rgw_remove_obj(op, prefixes);
+
+ AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL);
+ ret = ref.ioctx.aio_operate(ref.oid, c, &op);
+ if (ret < 0) {
+ lderr(cct) << "ERROR: AioOperate failed with ret=" << ret << dendl;
+ c->release();
+ return ret;
+ }
+
+ handles.push_back(c);
+
+ return 0;
+}
+
+int RGWRados::delete_obj_aio(const rgw_obj& obj,
+ RGWBucketInfo& bucket_info, RGWObjState *astate,
+ list<librados::AioCompletion *>& handles, bool keep_index_consistent)
+{
+ rgw_rados_ref ref;
+ int ret = get_obj_head_ref(bucket_info, obj, &ref);
+ if (ret < 0) {
+ lderr(cct) << "ERROR: failed to get obj ref with ret=" << ret << dendl;
+ return ret;
+ }
+
+ if (keep_index_consistent) {
+ RGWRados::Bucket bop(this, bucket_info);
+ RGWRados::Bucket::UpdateIndex index_op(&bop, obj);
+
+ ret = index_op.prepare(CLS_RGW_OP_DEL, &astate->write_tag);
+ if (ret < 0) {
+ lderr(cct) << "ERROR: failed to prepare index op with ret=" << ret << dendl;
+ return ret;
+ }
+ }
+
+ ObjectWriteOperation op;
+ list<string> prefixes;
+ cls_rgw_remove_obj(op, prefixes);
+
+ AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL);
+ ret = ref.ioctx.aio_operate(ref.oid, c, &op);
+ if (ret < 0) {
+ lderr(cct) << "ERROR: AioOperate failed with ret=" << ret << dendl;
+ c->release();
+ return ret;
+ }
+
+ handles.push_back(c);
+
+ if (keep_index_consistent) {
+ ret = delete_obj_index(obj);
+ if (ret < 0) {
+ lderr(cct) << "ERROR: failed to delete obj index with ret=" << ret << dendl;
+ return ret;
+ }
+ }
+ return ret;
+}
+
+int rgw_compression_info_from_attrset(map<string, bufferlist>& attrs, bool& need_decompress, RGWCompressionInfo& cs_info) {
+ map<string, bufferlist>::iterator value = attrs.find(RGW_ATTR_COMPRESSION);
+ if (value != attrs.end()) {
+ bufferlist::iterator bliter = value->second.begin();
+ try {
+ ::decode(cs_info, bliter);
+ } catch (buffer::error& err) {
+ return -EIO;
+ }
+ if (cs_info.blocks.size() == 0) {
+ return -EIO;
+ }
+ if (cs_info.compression_type != "none")
+ need_decompress = true;
+ else
+ need_decompress = false;
+ return 0;
+ } else {
+ need_decompress = false;
+ return 0;
+ }
+}
+
Code Review / stor4nfv.git / blobdiff