+++ /dev/null
-#include <boost/utility/string_ref.hpp>
-
-#include "common/ceph_json.h"
-#include "common/RWLock.h"
-#include "common/RefCountedObj.h"
-#include "common/WorkQueue.h"
-#include "common/Throttle.h"
-#include "common/errno.h"
-
-#include "rgw_common.h"
-#include "rgw_rados.h"
-#include "rgw_sync.h"
-#include "rgw_data_sync.h"
-#include "rgw_rest_conn.h"
-#include "rgw_cr_rados.h"
-#include "rgw_cr_rest.h"
-#include "rgw_http_client.h"
-#include "rgw_bucket.h"
-#include "rgw_metadata.h"
-#include "rgw_sync_module.h"
-
-#include "cls/lock/cls_lock_client.h"
-
-#include "auth/Crypto.h"
-
-#include <boost/asio/yield.hpp>
-
-#define dout_subsys ceph_subsys_rgw
-
-#undef dout_prefix
-#define dout_prefix (*_dout << "data sync: ")
-
-static string datalog_sync_status_oid_prefix = "datalog.sync-status";
-static string datalog_sync_status_shard_prefix = "datalog.sync-status.shard";
-static string datalog_sync_full_sync_index_prefix = "data.full-sync.index";
-static string bucket_status_oid_prefix = "bucket.sync-status";
-
-class RGWSyncDebugLogger {
- CephContext *cct;
- string prefix;
-
- bool ended;
-
-public:
- RGWSyncDebugLogger(CephContext *_cct, const string& source_zone,
- const string& sync_type, const string& sync_stage,
- const string& resource, bool log_start = true) {
- init(_cct, source_zone, sync_type, sync_stage, resource, log_start);
- }
- RGWSyncDebugLogger() : cct(NULL), ended(false) {}
- ~RGWSyncDebugLogger();
-
- void init(CephContext *_cct, const string& source_zone,
- const string& sync_type, const string& sync_stage,
- const string& resource, bool log_start = true);
- void log(const string& state);
- void finish(int status);
-};
-
-void RGWSyncDebugLogger::init(CephContext *_cct, const string& source_zone,
- const string& sync_type, const string& sync_section,
- const string& resource, bool log_start)
-{
- cct = _cct;
- ended = false;
- string zone_str = source_zone.substr(0, 8);
- prefix = "Sync:" + zone_str + ":" + sync_type + ":" + sync_section + ":" + resource;
- if (log_start) {
- log("start");
- }
-}
-
-RGWSyncDebugLogger::~RGWSyncDebugLogger()
-{
- if (!ended) {
- log("finish");
- }
-}
-
-void RGWSyncDebugLogger::log(const string& state)
-{
- ldout(cct, 5) << prefix << ":" << state << dendl;
-}
-
-void RGWSyncDebugLogger::finish(int status)
-{
- ended = true;
- ldout(cct, 5) << prefix << ":" << "finish r=" << status << dendl;
-}
-
-class RGWDataSyncDebugLogger : public RGWSyncDebugLogger {
-public:
- RGWDataSyncDebugLogger() {}
- RGWDataSyncDebugLogger(RGWDataSyncEnv *sync_env, const string& sync_section,
- const string& resource, bool log_start = true) {
- init(sync_env, sync_section, resource, log_start);
- }
- void init(RGWDataSyncEnv *sync_env, const string& sync_section,
- const string& resource, bool log_start = true) {
- RGWSyncDebugLogger::init(sync_env->cct, sync_env->source_zone, "data", sync_section, resource, log_start);
- }
-
-};
-
-void rgw_datalog_info::decode_json(JSONObj *obj) {
- JSONDecoder::decode_json("num_objects", num_shards, obj);
-}
-
-void rgw_datalog_entry::decode_json(JSONObj *obj) {
- JSONDecoder::decode_json("key", key, obj);
- utime_t ut;
- JSONDecoder::decode_json("timestamp", ut, obj);
- timestamp = ut.to_real_time();
-}
-
-void rgw_datalog_shard_data::decode_json(JSONObj *obj) {
- JSONDecoder::decode_json("marker", marker, obj);
- JSONDecoder::decode_json("truncated", truncated, obj);
- JSONDecoder::decode_json("entries", entries, obj);
-};
-
-class RGWReadDataSyncStatusMarkersCR : public RGWShardCollectCR {
- static constexpr int MAX_CONCURRENT_SHARDS = 16;
-
- RGWDataSyncEnv *env;
- const int num_shards;
- int shard_id{0};;
-
- map<uint32_t, rgw_data_sync_marker>& markers;
-
- public:
- RGWReadDataSyncStatusMarkersCR(RGWDataSyncEnv *env, int num_shards,
- map<uint32_t, rgw_data_sync_marker>& markers)
- : RGWShardCollectCR(env->cct, MAX_CONCURRENT_SHARDS),
- env(env), num_shards(num_shards), markers(markers)
- {}
- bool spawn_next() override;
-};
-
-bool RGWReadDataSyncStatusMarkersCR::spawn_next()
-{
- if (shard_id >= num_shards) {
- return false;
- }
- using CR = RGWSimpleRadosReadCR<rgw_data_sync_marker>;
- spawn(new CR(env->async_rados, env->store,
- rgw_raw_obj(env->store->get_zone_params().log_pool, RGWDataSyncStatusManager::shard_obj_name(env->source_zone, shard_id)),
- &markers[shard_id]),
- false);
- shard_id++;
- return true;
-}
-
-class RGWReadDataSyncStatusCoroutine : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
- rgw_data_sync_status *sync_status;
-
-public:
- RGWReadDataSyncStatusCoroutine(RGWDataSyncEnv *_sync_env,
- rgw_data_sync_status *_status)
- : RGWCoroutine(_sync_env->cct), sync_env(_sync_env), sync_status(_status)
- {}
- int operate() override;
-};
-
-int RGWReadDataSyncStatusCoroutine::operate()
-{
- reenter(this) {
- // read sync info
- using ReadInfoCR = RGWSimpleRadosReadCR<rgw_data_sync_info>;
- yield {
- bool empty_on_enoent = false; // fail on ENOENT
- call(new ReadInfoCR(sync_env->async_rados, sync_env->store,
- rgw_raw_obj(sync_env->store->get_zone_params().log_pool, RGWDataSyncStatusManager::sync_status_oid(sync_env->source_zone)),
- &sync_status->sync_info, empty_on_enoent));
- }
- if (retcode < 0) {
- ldout(sync_env->cct, 4) << "failed to read sync status info with "
- << cpp_strerror(retcode) << dendl;
- return set_cr_error(retcode);
- }
- // read shard markers
- using ReadMarkersCR = RGWReadDataSyncStatusMarkersCR;
- yield call(new ReadMarkersCR(sync_env, sync_status->sync_info.num_shards,
- sync_status->sync_markers));
- if (retcode < 0) {
- ldout(sync_env->cct, 4) << "failed to read sync status markers with "
- << cpp_strerror(retcode) << dendl;
- return set_cr_error(retcode);
- }
- return set_cr_done();
- }
- return 0;
-}
-
-class RGWReadRemoteDataLogShardInfoCR : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
-
- RGWRESTReadResource *http_op;
-
- int shard_id;
- RGWDataChangesLogInfo *shard_info;
-
-public:
- RGWReadRemoteDataLogShardInfoCR(RGWDataSyncEnv *_sync_env,
- int _shard_id, RGWDataChangesLogInfo *_shard_info) : RGWCoroutine(_sync_env->cct),
- sync_env(_sync_env),
- http_op(NULL),
- shard_id(_shard_id),
- shard_info(_shard_info) {
- }
-
- ~RGWReadRemoteDataLogShardInfoCR() override {
- if (http_op) {
- http_op->put();
- }
- }
-
- int operate() override {
- reenter(this) {
- yield {
- char buf[16];
- snprintf(buf, sizeof(buf), "%d", shard_id);
- rgw_http_param_pair pairs[] = { { "type" , "data" },
- { "id", buf },
- { "info" , NULL },
- { NULL, NULL } };
-
- string p = "/admin/log/";
-
- http_op = new RGWRESTReadResource(sync_env->conn, p, pairs, NULL, sync_env->http_manager);
-
- http_op->set_user_info((void *)stack);
-
- int ret = http_op->aio_read();
- if (ret < 0) {
- ldout(sync_env->cct, 0) << "ERROR: failed to read from " << p << dendl;
- log_error() << "failed to send http operation: " << http_op->to_str() << " ret=" << ret << std::endl;
- return set_cr_error(ret);
- }
-
- return io_block(0);
- }
- yield {
- int ret = http_op->wait(shard_info);
- if (ret < 0) {
- return set_cr_error(ret);
- }
- return set_cr_done();
- }
- }
- return 0;
- }
-};
-
-struct read_remote_data_log_response {
- string marker;
- bool truncated;
- list<rgw_data_change_log_entry> entries;
-
- read_remote_data_log_response() : truncated(false) {}
-
- void decode_json(JSONObj *obj) {
- JSONDecoder::decode_json("marker", marker, obj);
- JSONDecoder::decode_json("truncated", truncated, obj);
- JSONDecoder::decode_json("entries", entries, obj);
- };
-};
-
-class RGWReadRemoteDataLogShardCR : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
-
- RGWRESTReadResource *http_op;
-
- int shard_id;
- string *pmarker;
- list<rgw_data_change_log_entry> *entries;
- bool *truncated;
-
- read_remote_data_log_response response;
-
-public:
- RGWReadRemoteDataLogShardCR(RGWDataSyncEnv *_sync_env,
- int _shard_id, string *_pmarker, list<rgw_data_change_log_entry> *_entries, bool *_truncated) : RGWCoroutine(_sync_env->cct),
- sync_env(_sync_env),
- http_op(NULL),
- shard_id(_shard_id),
- pmarker(_pmarker),
- entries(_entries),
- truncated(_truncated) {
- }
- ~RGWReadRemoteDataLogShardCR() override {
- if (http_op) {
- http_op->put();
- }
- }
-
- int operate() override {
- reenter(this) {
- yield {
- char buf[16];
- snprintf(buf, sizeof(buf), "%d", shard_id);
- rgw_http_param_pair pairs[] = { { "type" , "data" },
- { "id", buf },
- { "marker", pmarker->c_str() },
- { "extra-info", "true" },
- { NULL, NULL } };
-
- string p = "/admin/log/";
-
- http_op = new RGWRESTReadResource(sync_env->conn, p, pairs, NULL, sync_env->http_manager);
-
- http_op->set_user_info((void *)stack);
-
- int ret = http_op->aio_read();
- if (ret < 0) {
- ldout(sync_env->cct, 0) << "ERROR: failed to read from " << p << dendl;
- log_error() << "failed to send http operation: " << http_op->to_str() << " ret=" << ret << std::endl;
- return set_cr_error(ret);
- }
-
- return io_block(0);
- }
- yield {
- int ret = http_op->wait(&response);
- if (ret < 0) {
- return set_cr_error(ret);
- }
- entries->clear();
- entries->swap(response.entries);
- *pmarker = response.marker;
- *truncated = response.truncated;
- return set_cr_done();
- }
- }
- return 0;
- }
-};
-
-class RGWReadRemoteDataLogInfoCR : public RGWShardCollectCR {
- RGWDataSyncEnv *sync_env;
-
- int num_shards;
- map<int, RGWDataChangesLogInfo> *datalog_info;
-
- int shard_id;
-#define READ_DATALOG_MAX_CONCURRENT 10
-
-public:
- RGWReadRemoteDataLogInfoCR(RGWDataSyncEnv *_sync_env,
- int _num_shards,
- map<int, RGWDataChangesLogInfo> *_datalog_info) : RGWShardCollectCR(_sync_env->cct, READ_DATALOG_MAX_CONCURRENT),
- sync_env(_sync_env), num_shards(_num_shards),
- datalog_info(_datalog_info), shard_id(0) {}
- bool spawn_next() override;
-};
-
-bool RGWReadRemoteDataLogInfoCR::spawn_next() {
- if (shard_id >= num_shards) {
- return false;
- }
- spawn(new RGWReadRemoteDataLogShardInfoCR(sync_env, shard_id, &(*datalog_info)[shard_id]), false);
- shard_id++;
- return true;
-}
-
-class RGWListRemoteDataLogShardCR : public RGWSimpleCoroutine {
- RGWDataSyncEnv *sync_env;
- RGWRESTReadResource *http_op;
-
- int shard_id;
- string marker;
- uint32_t max_entries;
- rgw_datalog_shard_data *result;
-
-public:
- RGWListRemoteDataLogShardCR(RGWDataSyncEnv *env, int _shard_id,
- const string& _marker, uint32_t _max_entries,
- rgw_datalog_shard_data *_result)
- : RGWSimpleCoroutine(env->store->ctx()), sync_env(env), http_op(NULL),
- shard_id(_shard_id), marker(_marker), max_entries(_max_entries), result(_result) {}
-
- int send_request() override {
- RGWRESTConn *conn = sync_env->conn;
- RGWRados *store = sync_env->store;
-
- char buf[32];
- snprintf(buf, sizeof(buf), "%d", shard_id);
-
- char max_entries_buf[32];
- snprintf(max_entries_buf, sizeof(max_entries_buf), "%d", (int)max_entries);
-
- const char *marker_key = (marker.empty() ? "" : "marker");
-
- rgw_http_param_pair pairs[] = { { "type", "data" },
- { "id", buf },
- { "max-entries", max_entries_buf },
- { marker_key, marker.c_str() },
- { NULL, NULL } };
-
- string p = "/admin/log/";
-
- http_op = new RGWRESTReadResource(conn, p, pairs, NULL, sync_env->http_manager);
- http_op->set_user_info((void *)stack);
-
- int ret = http_op->aio_read();
- if (ret < 0) {
- ldout(store->ctx(), 0) << "ERROR: failed to read from " << p << dendl;
- log_error() << "failed to send http operation: " << http_op->to_str() << " ret=" << ret << std::endl;
- http_op->put();
- return ret;
- }
-
- return 0;
- }
-
- int request_complete() override {
- int ret = http_op->wait(result);
- http_op->put();
- if (ret < 0 && ret != -ENOENT) {
- ldout(sync_env->store->ctx(), 0) << "ERROR: failed to list remote datalog shard, ret=" << ret << dendl;
- return ret;
- }
- return 0;
- }
-};
-
-class RGWListRemoteDataLogCR : public RGWShardCollectCR {
- RGWDataSyncEnv *sync_env;
-
- map<int, string> shards;
- int max_entries_per_shard;
- map<int, rgw_datalog_shard_data> *result;
-
- map<int, string>::iterator iter;
-#define READ_DATALOG_MAX_CONCURRENT 10
-
-public:
- RGWListRemoteDataLogCR(RGWDataSyncEnv *_sync_env,
- map<int, string>& _shards,
- int _max_entries_per_shard,
- map<int, rgw_datalog_shard_data> *_result) : RGWShardCollectCR(_sync_env->cct, READ_DATALOG_MAX_CONCURRENT),
- sync_env(_sync_env), max_entries_per_shard(_max_entries_per_shard),
- result(_result) {
- shards.swap(_shards);
- iter = shards.begin();
- }
- bool spawn_next() override;
-};
-
-bool RGWListRemoteDataLogCR::spawn_next() {
- if (iter == shards.end()) {
- return false;
- }
-
- spawn(new RGWListRemoteDataLogShardCR(sync_env, iter->first, iter->second, max_entries_per_shard, &(*result)[iter->first]), false);
- ++iter;
- return true;
-}
-
-class RGWInitDataSyncStatusCoroutine : public RGWCoroutine {
- static constexpr uint32_t lock_duration = 30;
- RGWDataSyncEnv *sync_env;
- RGWRados *store;
- const rgw_pool& pool;
- const uint32_t num_shards;
-
- string sync_status_oid;
-
- string lock_name;
- string cookie;
- rgw_data_sync_status *status;
- map<int, RGWDataChangesLogInfo> shards_info;
-public:
- RGWInitDataSyncStatusCoroutine(RGWDataSyncEnv *_sync_env, uint32_t num_shards,
- uint64_t instance_id,
- rgw_data_sync_status *status)
- : RGWCoroutine(_sync_env->cct), sync_env(_sync_env), store(sync_env->store),
- pool(store->get_zone_params().log_pool),
- num_shards(num_shards), status(status) {
- lock_name = "sync_lock";
-
- status->sync_info.instance_id = instance_id;
-
-#define COOKIE_LEN 16
- char buf[COOKIE_LEN + 1];
-
- gen_rand_alphanumeric(cct, buf, sizeof(buf) - 1);
- cookie = buf;
-
- sync_status_oid = RGWDataSyncStatusManager::sync_status_oid(sync_env->source_zone);
- }
-
- int operate() override {
- int ret;
- reenter(this) {
- using LockCR = RGWSimpleRadosLockCR;
- yield call(new LockCR(sync_env->async_rados, store,
- rgw_raw_obj{pool, sync_status_oid},
- lock_name, cookie, lock_duration));
- if (retcode < 0) {
- ldout(cct, 0) << "ERROR: failed to take a lock on " << sync_status_oid << dendl;
- return set_cr_error(retcode);
- }
- using WriteInfoCR = RGWSimpleRadosWriteCR<rgw_data_sync_info>;
- yield call(new WriteInfoCR(sync_env->async_rados, store,
- rgw_raw_obj{pool, sync_status_oid},
- status->sync_info));
- if (retcode < 0) {
- ldout(cct, 0) << "ERROR: failed to write sync status info with " << retcode << dendl;
- return set_cr_error(retcode);
- }
-
- /* take lock again, we just recreated the object */
- yield call(new LockCR(sync_env->async_rados, store,
- rgw_raw_obj{pool, sync_status_oid},
- lock_name, cookie, lock_duration));
- if (retcode < 0) {
- ldout(cct, 0) << "ERROR: failed to take a lock on " << sync_status_oid << dendl;
- return set_cr_error(retcode);
- }
-
- /* fetch current position in logs */
- yield {
- RGWRESTConn *conn = store->get_zone_conn_by_id(sync_env->source_zone);
- if (!conn) {
- ldout(cct, 0) << "ERROR: connection to zone " << sync_env->source_zone << " does not exist!" << dendl;
- return set_cr_error(-EIO);
- }
- for (uint32_t i = 0; i < num_shards; i++) {
- spawn(new RGWReadRemoteDataLogShardInfoCR(sync_env, i, &shards_info[i]), true);
- }
- }
- while (collect(&ret, NULL)) {
- if (ret < 0) {
- ldout(cct, 0) << "ERROR: failed to read remote data log shards" << dendl;
- return set_state(RGWCoroutine_Error);
- }
- yield;
- }
- yield {
- for (uint32_t i = 0; i < num_shards; i++) {
- RGWDataChangesLogInfo& info = shards_info[i];
- auto& marker = status->sync_markers[i];
- marker.next_step_marker = info.marker;
- marker.timestamp = info.last_update;
- const auto& oid = RGWDataSyncStatusManager::shard_obj_name(sync_env->source_zone, i);
- using WriteMarkerCR = RGWSimpleRadosWriteCR<rgw_data_sync_marker>;
- spawn(new WriteMarkerCR(sync_env->async_rados, store,
- rgw_raw_obj{pool, oid}, marker), true);
- }
- }
- while (collect(&ret, NULL)) {
- if (ret < 0) {
- ldout(cct, 0) << "ERROR: failed to write data sync status markers" << dendl;
- return set_state(RGWCoroutine_Error);
- }
- yield;
- }
-
- status->sync_info.state = rgw_data_sync_info::StateBuildingFullSyncMaps;
- yield call(new WriteInfoCR(sync_env->async_rados, store,
- rgw_raw_obj{pool, sync_status_oid},
- status->sync_info));
- if (retcode < 0) {
- ldout(cct, 0) << "ERROR: failed to write sync status info with " << retcode << dendl;
- return set_cr_error(retcode);
- }
- yield call(new RGWSimpleRadosUnlockCR(sync_env->async_rados, store,
- rgw_raw_obj{pool, sync_status_oid},
- lock_name, cookie));
- return set_cr_done();
- }
- return 0;
- }
-};
-
-int RGWRemoteDataLog::read_log_info(rgw_datalog_info *log_info)
-{
- rgw_http_param_pair pairs[] = { { "type", "data" },
- { NULL, NULL } };
-
- int ret = sync_env.conn->get_json_resource("/admin/log", pairs, *log_info);
- if (ret < 0) {
- ldout(store->ctx(), 0) << "ERROR: failed to fetch datalog info" << dendl;
- return ret;
- }
-
- ldout(store->ctx(), 20) << "remote datalog, num_shards=" << log_info->num_shards << dendl;
-
- return 0;
-}
-
-int RGWRemoteDataLog::read_source_log_shards_info(map<int, RGWDataChangesLogInfo> *shards_info)
-{
- rgw_datalog_info log_info;
- int ret = read_log_info(&log_info);
- if (ret < 0) {
- return ret;
- }
-
- return run(new RGWReadRemoteDataLogInfoCR(&sync_env, log_info.num_shards, shards_info));
-}
-
-int RGWRemoteDataLog::read_source_log_shards_next(map<int, string> shard_markers, map<int, rgw_datalog_shard_data> *result)
-{
- if (store->is_meta_master()) {
- return 0;
- }
-
- return run(new RGWListRemoteDataLogCR(&sync_env, shard_markers, 1, result));
-}
-
-int RGWRemoteDataLog::init(const string& _source_zone, RGWRESTConn *_conn, RGWSyncErrorLogger *_error_logger, RGWSyncModuleInstanceRef& _sync_module)
-{
- sync_env.init(store->ctx(), store, _conn, async_rados, &http_manager, _error_logger, _source_zone, _sync_module);
-
- if (initialized) {
- return 0;
- }
-
- int ret = http_manager.set_threaded();
- if (ret < 0) {
- ldout(store->ctx(), 0) << "failed in http_manager.set_threaded() ret=" << ret << dendl;
- return ret;
- }
-
- initialized = true;
-
- return 0;
-}
-
-void RGWRemoteDataLog::finish()
-{
- stop();
-}
-
-int RGWRemoteDataLog::read_sync_status(rgw_data_sync_status *sync_status)
-{
- // cannot run concurrently with run_sync(), so run in a separate manager
- RGWCoroutinesManager crs(store->ctx(), store->get_cr_registry());
- RGWHTTPManager http_manager(store->ctx(), crs.get_completion_mgr());
- int ret = http_manager.set_threaded();
- if (ret < 0) {
- ldout(store->ctx(), 0) << "failed in http_manager.set_threaded() ret=" << ret << dendl;
- return ret;
- }
- RGWDataSyncEnv sync_env_local = sync_env;
- sync_env_local.http_manager = &http_manager;
- ret = crs.run(new RGWReadDataSyncStatusCoroutine(&sync_env_local, sync_status));
- http_manager.stop();
- return ret;
-}
-
-int RGWRemoteDataLog::init_sync_status(int num_shards)
-{
- rgw_data_sync_status sync_status;
- RGWCoroutinesManager crs(store->ctx(), store->get_cr_registry());
- RGWHTTPManager http_manager(store->ctx(), crs.get_completion_mgr());
- int ret = http_manager.set_threaded();
- if (ret < 0) {
- ldout(store->ctx(), 0) << "failed in http_manager.set_threaded() ret=" << ret << dendl;
- return ret;
- }
- RGWDataSyncEnv sync_env_local = sync_env;
- sync_env_local.http_manager = &http_manager;
- uint64_t instance_id;
- get_random_bytes((char *)&instance_id, sizeof(instance_id));
- ret = crs.run(new RGWInitDataSyncStatusCoroutine(&sync_env_local, num_shards, instance_id, &sync_status));
- http_manager.stop();
- return ret;
-}
-
-static string full_data_sync_index_shard_oid(const string& source_zone, int shard_id)
-{
- char buf[datalog_sync_full_sync_index_prefix.size() + 1 + source_zone.size() + 1 + 16];
- snprintf(buf, sizeof(buf), "%s.%s.%d", datalog_sync_full_sync_index_prefix.c_str(), source_zone.c_str(), shard_id);
- return string(buf);
-}
-
-struct bucket_instance_meta_info {
- string key;
- obj_version ver;
- utime_t mtime;
- RGWBucketInstanceMetadataObject data;
-
- bucket_instance_meta_info() {}
-
- void decode_json(JSONObj *obj) {
- JSONDecoder::decode_json("key", key, obj);
- JSONDecoder::decode_json("ver", ver, obj);
- JSONDecoder::decode_json("mtime", mtime, obj);
- JSONDecoder::decode_json("data", data, obj);
- }
-};
-
-class RGWListBucketIndexesCR : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
-
- RGWRados *store;
-
- rgw_data_sync_status *sync_status;
- int num_shards;
-
- int req_ret;
- int ret;
-
- list<string> result;
- list<string>::iterator iter;
-
- RGWShardedOmapCRManager *entries_index;
-
- string oid_prefix;
-
- string path;
- bucket_instance_meta_info meta_info;
- string key;
- string s;
- int i;
-
- bool failed;
-
-public:
- RGWListBucketIndexesCR(RGWDataSyncEnv *_sync_env,
- rgw_data_sync_status *_sync_status) : RGWCoroutine(_sync_env->cct), sync_env(_sync_env),
- store(sync_env->store), sync_status(_sync_status),
- req_ret(0), ret(0), entries_index(NULL), i(0), failed(false) {
- oid_prefix = datalog_sync_full_sync_index_prefix + "." + sync_env->source_zone;
- path = "/admin/metadata/bucket.instance";
- num_shards = sync_status->sync_info.num_shards;
- }
- ~RGWListBucketIndexesCR() override {
- delete entries_index;
- }
-
- int operate() override {
- reenter(this) {
- yield {
- string entrypoint = string("/admin/metadata/bucket.instance");
- /* FIXME: need a better scaling solution here, requires streaming output */
- call(new RGWReadRESTResourceCR<list<string> >(store->ctx(), sync_env->conn, sync_env->http_manager,
- entrypoint, NULL, &result));
- }
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: failed to fetch metadata for section bucket.index" << dendl;
- return set_cr_error(retcode);
- }
- entries_index = new RGWShardedOmapCRManager(sync_env->async_rados, store, this, num_shards,
- store->get_zone_params().log_pool,
- oid_prefix);
- yield; // yield so OmapAppendCRs can start
- for (iter = result.begin(); iter != result.end(); ++iter) {
- ldout(sync_env->cct, 20) << "list metadata: section=bucket.index key=" << *iter << dendl;
-
- key = *iter;
-
- yield {
- rgw_http_param_pair pairs[] = { { "key", key.c_str() },
- { NULL, NULL } };
-
- call(new RGWReadRESTResourceCR<bucket_instance_meta_info>(store->ctx(), sync_env->conn, sync_env->http_manager, path, pairs, &meta_info));
- }
-
- num_shards = meta_info.data.get_bucket_info().num_shards;
- if (num_shards > 0) {
- for (i = 0; i < num_shards; i++) {
- char buf[16];
- snprintf(buf, sizeof(buf), ":%d", i);
- s = key + buf;
- yield entries_index->append(s, store->data_log->get_log_shard_id(meta_info.data.get_bucket_info().bucket, i));
- }
- } else {
- yield entries_index->append(key, store->data_log->get_log_shard_id(meta_info.data.get_bucket_info().bucket, -1));
- }
- }
- yield {
- if (!entries_index->finish()) {
- failed = true;
- }
- }
- if (!failed) {
- for (map<uint32_t, rgw_data_sync_marker>::iterator iter = sync_status->sync_markers.begin(); iter != sync_status->sync_markers.end(); ++iter) {
- int shard_id = (int)iter->first;
- rgw_data_sync_marker& marker = iter->second;
- marker.total_entries = entries_index->get_total_entries(shard_id);
- spawn(new RGWSimpleRadosWriteCR<rgw_data_sync_marker>(sync_env->async_rados, store,
- rgw_raw_obj(store->get_zone_params().log_pool, RGWDataSyncStatusManager::shard_obj_name(sync_env->source_zone, shard_id)),
- marker), true);
- }
- } else {
- yield call(sync_env->error_logger->log_error_cr(sync_env->conn->get_remote_id(), "data.init", "",
- EIO, string("failed to build bucket instances map")));
- }
- while (collect(&ret, NULL)) {
- if (ret < 0) {
- yield call(sync_env->error_logger->log_error_cr(sync_env->conn->get_remote_id(), "data.init", "",
- -ret, string("failed to store sync status: ") + cpp_strerror(-ret)));
- req_ret = ret;
- }
- yield;
- }
- drain_all();
- if (req_ret < 0) {
- yield return set_cr_error(req_ret);
- }
- yield return set_cr_done();
- }
- return 0;
- }
-};
-
-#define DATA_SYNC_UPDATE_MARKER_WINDOW 1
-
-class RGWDataSyncShardMarkerTrack : public RGWSyncShardMarkerTrack<string, string> {
- RGWDataSyncEnv *sync_env;
-
- string marker_oid;
- rgw_data_sync_marker sync_marker;
-
- map<string, string> key_to_marker;
- map<string, string> marker_to_key;
-
- void handle_finish(const string& marker) override {
- map<string, string>::iterator iter = marker_to_key.find(marker);
- if (iter == marker_to_key.end()) {
- return;
- }
- key_to_marker.erase(iter->second);
- reset_need_retry(iter->second);
- marker_to_key.erase(iter);
- }
-
-public:
- RGWDataSyncShardMarkerTrack(RGWDataSyncEnv *_sync_env,
- const string& _marker_oid,
- const rgw_data_sync_marker& _marker) : RGWSyncShardMarkerTrack(DATA_SYNC_UPDATE_MARKER_WINDOW),
- sync_env(_sync_env),
- marker_oid(_marker_oid),
- sync_marker(_marker) {}
-
- RGWCoroutine *store_marker(const string& new_marker, uint64_t index_pos, const real_time& timestamp) override {
- sync_marker.marker = new_marker;
- sync_marker.pos = index_pos;
-
- ldout(sync_env->cct, 20) << __func__ << "(): updating marker marker_oid=" << marker_oid << " marker=" << new_marker << dendl;
- RGWRados *store = sync_env->store;
-
- return new RGWSimpleRadosWriteCR<rgw_data_sync_marker>(sync_env->async_rados, store,
- rgw_raw_obj(store->get_zone_params().log_pool, marker_oid),
- sync_marker);
- }
-
- /*
- * create index from key -> marker, and from marker -> key
- * this is useful so that we can insure that we only have one
- * entry for any key that is used. This is needed when doing
- * incremenatl sync of data, and we don't want to run multiple
- * concurrent sync operations for the same bucket shard
- */
- bool index_key_to_marker(const string& key, const string& marker) {
- if (key_to_marker.find(key) != key_to_marker.end()) {
- set_need_retry(key);
- return false;
- }
- key_to_marker[key] = marker;
- marker_to_key[marker] = key;
- return true;
- }
-};
-
-// ostream wrappers to print buckets without copying strings
-struct bucket_str {
- const rgw_bucket& b;
- bucket_str(const rgw_bucket& b) : b(b) {}
-};
-std::ostream& operator<<(std::ostream& out, const bucket_str& rhs) {
- auto& b = rhs.b;
- if (!b.tenant.empty()) {
- out << b.tenant << '/';
- }
- out << b.name;
- if (!b.bucket_id.empty()) {
- out << ':' << b.bucket_id;
- }
- return out;
-}
-
-struct bucket_shard_str {
- const rgw_bucket_shard& bs;
- bucket_shard_str(const rgw_bucket_shard& bs) : bs(bs) {}
-};
-std::ostream& operator<<(std::ostream& out, const bucket_shard_str& rhs) {
- auto& bs = rhs.bs;
- out << bucket_str{bs.bucket};
- if (bs.shard_id >= 0) {
- out << ':' << bs.shard_id;
- }
- return out;
-}
-
-class RGWRunBucketSyncCoroutine : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
- rgw_bucket_shard bs;
- RGWBucketInfo bucket_info;
- rgw_bucket_shard_sync_info sync_status;
- RGWMetaSyncEnv meta_sync_env;
-
- RGWDataSyncDebugLogger logger;
- const std::string status_oid;
-
- boost::intrusive_ptr<RGWContinuousLeaseCR> lease_cr;
- boost::intrusive_ptr<RGWCoroutinesStack> lease_stack;
-
-public:
- RGWRunBucketSyncCoroutine(RGWDataSyncEnv *_sync_env, const rgw_bucket_shard& bs)
- : RGWCoroutine(_sync_env->cct), sync_env(_sync_env), bs(bs),
- status_oid(RGWBucketSyncStatusManager::status_oid(sync_env->source_zone, bs)) {
- logger.init(sync_env, "Bucket", bs.get_key());
- }
- ~RGWRunBucketSyncCoroutine() override {
- if (lease_cr) {
- lease_cr->abort();
- }
- }
-
- int operate() override;
-};
-
-class RGWDataSyncSingleEntryCR : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
-
- string raw_key;
- string entry_marker;
-
- rgw_bucket_shard bs;
-
- int sync_status;
-
- bufferlist md_bl;
-
- RGWDataSyncShardMarkerTrack *marker_tracker;
-
- boost::intrusive_ptr<RGWOmapAppend> error_repo;
- bool remove_from_repo;
-
- set<string> keys;
-
-public:
- RGWDataSyncSingleEntryCR(RGWDataSyncEnv *_sync_env,
- const string& _raw_key, const string& _entry_marker, RGWDataSyncShardMarkerTrack *_marker_tracker,
- RGWOmapAppend *_error_repo, bool _remove_from_repo) : RGWCoroutine(_sync_env->cct),
- sync_env(_sync_env),
- raw_key(_raw_key), entry_marker(_entry_marker),
- sync_status(0),
- marker_tracker(_marker_tracker),
- error_repo(_error_repo), remove_from_repo(_remove_from_repo) {
- set_description() << "data sync single entry (source_zone=" << sync_env->source_zone << ") key=" <<_raw_key << " entry=" << entry_marker;
- }
-
- int operate() override {
- reenter(this) {
- do {
- yield {
- int ret = rgw_bucket_parse_bucket_key(sync_env->cct, raw_key,
- &bs.bucket, &bs.shard_id);
- if (ret < 0) {
- return set_cr_error(-EIO);
- }
- if (marker_tracker) {
- marker_tracker->reset_need_retry(raw_key);
- }
- call(new RGWRunBucketSyncCoroutine(sync_env, bs));
- }
- } while (marker_tracker && marker_tracker->need_retry(raw_key));
-
- sync_status = retcode;
-
- if (sync_status == -ENOENT) {
- // this was added when 'tenant/' was added to datalog entries, because
- // preexisting tenant buckets could never sync and would stay in the
- // error_repo forever
- ldout(sync_env->store->ctx(), 0) << "WARNING: skipping data log entry "
- "for missing bucket " << raw_key << dendl;
- sync_status = 0;
- }
-
- if (sync_status < 0) {
- yield call(sync_env->error_logger->log_error_cr(sync_env->conn->get_remote_id(), "data", raw_key,
- -sync_status, string("failed to sync bucket instance: ") + cpp_strerror(-sync_status)));
- if (retcode < 0) {
- ldout(sync_env->store->ctx(), 0) << "ERROR: failed to log sync failure: retcode=" << retcode << dendl;
- }
- if (error_repo && !error_repo->append(raw_key)) {
- ldout(sync_env->store->ctx(), 0) << "ERROR: failed to log sync failure in error repo: retcode=" << retcode << dendl;
- }
- } else if (error_repo && remove_from_repo) {
- keys = {raw_key};
- yield call(new RGWRadosRemoveOmapKeysCR(sync_env->store, error_repo->get_obj(), keys));
- if (retcode < 0) {
- ldout(sync_env->store->ctx(), 0) << "ERROR: failed to remove omap key from error repo ("
- << error_repo->get_obj() << " retcode=" << retcode << dendl;
- }
- }
- /* FIXME: what do do in case of error */
- if (marker_tracker && !entry_marker.empty()) {
- /* update marker */
- yield call(marker_tracker->finish(entry_marker));
- }
- if (sync_status == 0) {
- sync_status = retcode;
- }
- if (sync_status < 0) {
- return set_cr_error(sync_status);
- }
- return set_cr_done();
- }
- return 0;
- }
-};
-
-#define BUCKET_SHARD_SYNC_SPAWN_WINDOW 20
-#define DATA_SYNC_MAX_ERR_ENTRIES 10
-
-enum RemoteDatalogStatus {
- RemoteNotTrimmed = 0,
- RemoteTrimmed = 1,
- RemoteMightTrimmed = 2
-};
-
-class RGWDataSyncShardCR : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
-
- rgw_pool pool;
-
- uint32_t shard_id;
- rgw_data_sync_marker sync_marker;
-
- map<string, bufferlist> entries;
- map<string, bufferlist>::iterator iter;
-
- string oid;
-
- RGWDataSyncShardMarkerTrack *marker_tracker;
-
- list<rgw_data_change_log_entry> log_entries;
- list<rgw_data_change_log_entry>::iterator log_iter;
- bool truncated;
-
- RGWDataChangesLogInfo shard_info;
- string datalog_marker;
-
- RemoteDatalogStatus remote_trimmed;
- Mutex inc_lock;
- Cond inc_cond;
-
- boost::asio::coroutine incremental_cr;
- boost::asio::coroutine full_cr;
-
-
- set<string> modified_shards;
- set<string> current_modified;
-
- set<string>::iterator modified_iter;
-
- int total_entries;
-
- int spawn_window;
-
- bool *reset_backoff;
-
- set<string> spawned_keys;
-
- boost::intrusive_ptr<RGWContinuousLeaseCR> lease_cr;
- boost::intrusive_ptr<RGWCoroutinesStack> lease_stack;
- string status_oid;
-
-
- string error_oid;
- RGWOmapAppend *error_repo;
- map<string, bufferlist> error_entries;
- string error_marker;
- int max_error_entries;
-
- ceph::real_time error_retry_time;
-
-#define RETRY_BACKOFF_SECS_MIN 60
-#define RETRY_BACKOFF_SECS_DEFAULT 60
-#define RETRY_BACKOFF_SECS_MAX 600
- uint32_t retry_backoff_secs;
-
- RGWDataSyncDebugLogger logger;
-public:
- RGWDataSyncShardCR(RGWDataSyncEnv *_sync_env,
- rgw_pool& _pool,
- uint32_t _shard_id, rgw_data_sync_marker& _marker, bool *_reset_backoff) : RGWCoroutine(_sync_env->cct),
- sync_env(_sync_env),
- pool(_pool),
- shard_id(_shard_id),
- sync_marker(_marker),
- marker_tracker(NULL), truncated(false), remote_trimmed(RemoteNotTrimmed), inc_lock("RGWDataSyncShardCR::inc_lock"),
- total_entries(0), spawn_window(BUCKET_SHARD_SYNC_SPAWN_WINDOW), reset_backoff(NULL),
- lease_cr(nullptr), lease_stack(nullptr), error_repo(nullptr), max_error_entries(DATA_SYNC_MAX_ERR_ENTRIES),
- retry_backoff_secs(RETRY_BACKOFF_SECS_DEFAULT) {
- set_description() << "data sync shard source_zone=" << sync_env->source_zone << " shard_id=" << shard_id;
- status_oid = RGWDataSyncStatusManager::shard_obj_name(sync_env->source_zone, shard_id);
- error_oid = status_oid + ".retry";
-
- logger.init(sync_env, "DataShard", status_oid);
- }
-
- ~RGWDataSyncShardCR() override {
- delete marker_tracker;
- if (lease_cr) {
- lease_cr->abort();
- }
- if (error_repo) {
- error_repo->put();
- }
- }
-
- void append_modified_shards(set<string>& keys) {
- Mutex::Locker l(inc_lock);
- modified_shards.insert(keys.begin(), keys.end());
- }
-
- void set_marker_tracker(RGWDataSyncShardMarkerTrack *mt) {
- delete marker_tracker;
- marker_tracker = mt;
- }
-
- int operate() override {
- int r;
- while (true) {
- switch (sync_marker.state) {
- case rgw_data_sync_marker::FullSync:
- r = full_sync();
- if (r < 0) {
- ldout(cct, 10) << "sync: full_sync: shard_id=" << shard_id << " r=" << r << dendl;
- return set_cr_error(r);
- }
- return 0;
- case rgw_data_sync_marker::IncrementalSync:
- r = incremental_sync();
- if (r < 0) {
- ldout(cct, 10) << "sync: incremental_sync: shard_id=" << shard_id << " r=" << r << dendl;
- return set_cr_error(r);
- }
- return 0;
- default:
- return set_cr_error(-EIO);
- }
- }
- return 0;
- }
-
- void init_lease_cr() {
- set_status("acquiring sync lock");
- uint32_t lock_duration = cct->_conf->rgw_sync_lease_period;
- string lock_name = "sync_lock";
- if (lease_cr) {
- lease_cr->abort();
- }
- RGWRados *store = sync_env->store;
- lease_cr.reset(new RGWContinuousLeaseCR(sync_env->async_rados, store,
- rgw_raw_obj(store->get_zone_params().log_pool, status_oid),
- lock_name, lock_duration, this));
- lease_stack.reset(spawn(lease_cr.get(), false));
- }
-
- int full_sync() {
-#define OMAP_GET_MAX_ENTRIES 100
- int max_entries = OMAP_GET_MAX_ENTRIES;
- reenter(&full_cr) {
- yield init_lease_cr();
- while (!lease_cr->is_locked()) {
- if (lease_cr->is_done()) {
- ldout(cct, 5) << "lease cr failed, done early " << dendl;
- set_status("lease lock failed, early abort");
- return set_cr_error(lease_cr->get_ret_status());
- }
- set_sleeping(true);
- yield;
- }
- logger.log("full sync");
- oid = full_data_sync_index_shard_oid(sync_env->source_zone, shard_id);
- set_marker_tracker(new RGWDataSyncShardMarkerTrack(sync_env, status_oid, sync_marker));
- total_entries = sync_marker.pos;
- do {
- yield call(new RGWRadosGetOmapKeysCR(sync_env->store, rgw_raw_obj(pool, oid), sync_marker.marker, &entries, max_entries));
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: " << __func__ << "(): RGWRadosGetOmapKeysCR() returned ret=" << retcode << dendl;
- lease_cr->go_down();
- drain_all();
- return set_cr_error(retcode);
- }
- iter = entries.begin();
- for (; iter != entries.end(); ++iter) {
- ldout(sync_env->cct, 20) << __func__ << ": full sync: " << iter->first << dendl;
- total_entries++;
- if (!marker_tracker->start(iter->first, total_entries, real_time())) {
- ldout(sync_env->cct, 0) << "ERROR: cannot start syncing " << iter->first << ". Duplicate entry?" << dendl;
- } else {
- // fetch remote and write locally
- yield spawn(new RGWDataSyncSingleEntryCR(sync_env, iter->first, iter->first, marker_tracker, error_repo, false), false);
- if (retcode < 0) {
- lease_cr->go_down();
- drain_all();
- return set_cr_error(retcode);
- }
- }
- sync_marker.marker = iter->first;
- }
- } while ((int)entries.size() == max_entries);
-
- lease_cr->go_down();
- drain_all();
-
- yield {
- /* update marker to reflect we're done with full sync */
- sync_marker.state = rgw_data_sync_marker::IncrementalSync;
- sync_marker.marker = sync_marker.next_step_marker;
- sync_marker.next_step_marker.clear();
- RGWRados *store = sync_env->store;
- call(new RGWSimpleRadosWriteCR<rgw_data_sync_marker>(sync_env->async_rados, store,
- rgw_raw_obj(store->get_zone_params().log_pool, status_oid),
- sync_marker));
- }
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: failed to set sync marker: retcode=" << retcode << dendl;
- lease_cr->go_down();
- return set_cr_error(retcode);
- }
- }
- return 0;
- }
-
- int incremental_sync() {
- reenter(&incremental_cr) {
- yield init_lease_cr();
- while (!lease_cr->is_locked()) {
- if (lease_cr->is_done()) {
- ldout(cct, 5) << "lease cr failed, done early " << dendl;
- set_status("lease lock failed, early abort");
- return set_cr_error(lease_cr->get_ret_status());
- }
- set_sleeping(true);
- yield;
- }
- set_status("lease acquired");
- error_repo = new RGWOmapAppend(sync_env->async_rados, sync_env->store,
- rgw_raw_obj(pool, error_oid),
- 1 /* no buffer */);
- error_repo->get();
- spawn(error_repo, false);
- logger.log("inc sync");
- set_marker_tracker(new RGWDataSyncShardMarkerTrack(sync_env, status_oid, sync_marker));
- do {
- current_modified.clear();
- inc_lock.Lock();
- current_modified.swap(modified_shards);
- inc_lock.Unlock();
-
- /* process out of band updates */
- for (modified_iter = current_modified.begin(); modified_iter != current_modified.end(); ++modified_iter) {
- yield {
- ldout(sync_env->cct, 20) << __func__ << "(): async update notification: " << *modified_iter << dendl;
- spawn(new RGWDataSyncSingleEntryCR(sync_env, *modified_iter, string(), marker_tracker, error_repo, false), false);
- }
- }
-
- /* process bucket shards that previously failed */
- yield call(new RGWRadosGetOmapKeysCR(sync_env->store, rgw_raw_obj(pool, error_oid),
- error_marker, &error_entries,
- max_error_entries));
- ldout(sync_env->cct, 20) << __func__ << "(): read error repo, got " << error_entries.size() << " entries" << dendl;
- iter = error_entries.begin();
- for (; iter != error_entries.end(); ++iter) {
- ldout(sync_env->cct, 20) << __func__ << "(): handle error entry: " << iter->first << dendl;
- spawn(new RGWDataSyncSingleEntryCR(sync_env, iter->first, iter->first, nullptr /* no marker tracker */, error_repo, true), false);
- error_marker = iter->first;
- }
- if ((int)error_entries.size() != max_error_entries) {
- if (error_marker.empty() && error_entries.empty()) {
- /* the retry repo is empty, we back off a bit before calling it again */
- retry_backoff_secs *= 2;
- if (retry_backoff_secs > RETRY_BACKOFF_SECS_MAX) {
- retry_backoff_secs = RETRY_BACKOFF_SECS_MAX;
- }
- } else {
- retry_backoff_secs = RETRY_BACKOFF_SECS_DEFAULT;
- }
- error_retry_time = ceph::real_clock::now() + make_timespan(retry_backoff_secs);
- error_marker.clear();
- }
-
-
- yield call(new RGWReadRemoteDataLogShardInfoCR(sync_env, shard_id, &shard_info));
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: failed to fetch remote data log info: ret=" << retcode << dendl;
- stop_spawned_services();
- drain_all();
- return set_cr_error(retcode);
- }
- datalog_marker = shard_info.marker;
- remote_trimmed = RemoteNotTrimmed;
-#define INCREMENTAL_MAX_ENTRIES 100
- ldout(sync_env->cct, 20) << __func__ << ":" << __LINE__ << ": shard_id=" << shard_id << " datalog_marker=" << datalog_marker << " sync_marker.marker=" << sync_marker.marker << dendl;
- if (datalog_marker > sync_marker.marker) {
- spawned_keys.clear();
- if (sync_marker.marker.empty())
- remote_trimmed = RemoteMightTrimmed; //remote data log shard might be trimmed;
- yield call(new RGWReadRemoteDataLogShardCR(sync_env, shard_id, &sync_marker.marker, &log_entries, &truncated));
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: failed to read remote data log info: ret=" << retcode << dendl;
- stop_spawned_services();
- drain_all();
- return set_cr_error(retcode);
- }
- if ((remote_trimmed == RemoteMightTrimmed) && sync_marker.marker.empty() && log_entries.empty())
- remote_trimmed = RemoteTrimmed;
- else
- remote_trimmed = RemoteNotTrimmed;
- for (log_iter = log_entries.begin(); log_iter != log_entries.end(); ++log_iter) {
- ldout(sync_env->cct, 20) << __func__ << ":" << __LINE__ << ": shard_id=" << shard_id << " log_entry: " << log_iter->log_id << ":" << log_iter->log_timestamp << ":" << log_iter->entry.key << dendl;
- if (!marker_tracker->index_key_to_marker(log_iter->entry.key, log_iter->log_id)) {
- ldout(sync_env->cct, 20) << __func__ << ": skipping sync of entry: " << log_iter->log_id << ":" << log_iter->entry.key << " sync already in progress for bucket shard" << dendl;
- marker_tracker->try_update_high_marker(log_iter->log_id, 0, log_iter->log_timestamp);
- continue;
- }
- if (!marker_tracker->start(log_iter->log_id, 0, log_iter->log_timestamp)) {
- ldout(sync_env->cct, 0) << "ERROR: cannot start syncing " << log_iter->log_id << ". Duplicate entry?" << dendl;
- } else {
- /*
- * don't spawn the same key more than once. We can do that as long as we don't yield
- */
- if (spawned_keys.find(log_iter->entry.key) == spawned_keys.end()) {
- spawned_keys.insert(log_iter->entry.key);
- spawn(new RGWDataSyncSingleEntryCR(sync_env, log_iter->entry.key, log_iter->log_id, marker_tracker, error_repo, false), false);
- if (retcode < 0) {
- stop_spawned_services();
- drain_all();
- return set_cr_error(retcode);
- }
- }
- }
- }
- while ((int)num_spawned() > spawn_window) {
- set_status() << "num_spawned() > spawn_window";
- yield wait_for_child();
- int ret;
- while (collect(&ret, lease_stack.get())) {
- if (ret < 0) {
- ldout(sync_env->cct, 0) << "ERROR: a sync operation returned error" << dendl;
- /* we have reported this error */
- }
- /* not waiting for child here */
- }
- }
- }
- ldout(sync_env->cct, 20) << __func__ << ":" << __LINE__ << ": shard_id=" << shard_id << " datalog_marker=" << datalog_marker << " sync_marker.marker=" << sync_marker.marker << dendl;
- if (datalog_marker == sync_marker.marker || remote_trimmed == RemoteTrimmed) {
-#define INCREMENTAL_INTERVAL 20
- yield wait(utime_t(INCREMENTAL_INTERVAL, 0));
- }
- } while (true);
- }
- return 0;
- }
- void stop_spawned_services() {
- lease_cr->go_down();
- if (error_repo) {
- error_repo->finish();
- error_repo->put();
- error_repo = NULL;
- }
- }
-};
-
-class RGWDataSyncShardControlCR : public RGWBackoffControlCR {
- RGWDataSyncEnv *sync_env;
-
- rgw_pool pool;
-
- uint32_t shard_id;
- rgw_data_sync_marker sync_marker;
-
-public:
- RGWDataSyncShardControlCR(RGWDataSyncEnv *_sync_env, rgw_pool& _pool,
- uint32_t _shard_id, rgw_data_sync_marker& _marker) : RGWBackoffControlCR(_sync_env->cct, false),
- sync_env(_sync_env),
- pool(_pool),
- shard_id(_shard_id),
- sync_marker(_marker) {
- }
-
- RGWCoroutine *alloc_cr() override {
- return new RGWDataSyncShardCR(sync_env, pool, shard_id, sync_marker, backoff_ptr());
- }
-
- RGWCoroutine *alloc_finisher_cr() override {
- RGWRados *store = sync_env->store;
- return new RGWSimpleRadosReadCR<rgw_data_sync_marker>(sync_env->async_rados, store,
- rgw_raw_obj(store->get_zone_params().log_pool, RGWDataSyncStatusManager::shard_obj_name(sync_env->source_zone, shard_id)),
- &sync_marker);
- }
-
- void append_modified_shards(set<string>& keys) {
- Mutex::Locker l(cr_lock());
-
- RGWDataSyncShardCR *cr = static_cast<RGWDataSyncShardCR *>(get_cr());
- if (!cr) {
- return;
- }
-
- cr->append_modified_shards(keys);
- }
-};
-
-class RGWDataSyncCR : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
- uint32_t num_shards;
-
- rgw_data_sync_status sync_status;
-
- RGWDataSyncShardMarkerTrack *marker_tracker;
-
- Mutex shard_crs_lock;
- map<int, RGWDataSyncShardControlCR *> shard_crs;
-
- bool *reset_backoff;
-
- RGWDataSyncDebugLogger logger;
-
- RGWDataSyncModule *data_sync_module{nullptr};
-public:
- RGWDataSyncCR(RGWDataSyncEnv *_sync_env, uint32_t _num_shards, bool *_reset_backoff) : RGWCoroutine(_sync_env->cct),
- sync_env(_sync_env),
- num_shards(_num_shards),
- marker_tracker(NULL),
- shard_crs_lock("RGWDataSyncCR::shard_crs_lock"),
- reset_backoff(_reset_backoff), logger(sync_env, "Data", "all") {
-
- }
-
- ~RGWDataSyncCR() override {
- for (auto iter : shard_crs) {
- iter.second->put();
- }
- }
-
- int operate() override {
- reenter(this) {
-
- /* read sync status */
- yield call(new RGWReadDataSyncStatusCoroutine(sync_env, &sync_status));
-
- data_sync_module = sync_env->sync_module->get_data_handler();
-
- if (retcode < 0 && retcode != -ENOENT) {
- ldout(sync_env->cct, 0) << "ERROR: failed to fetch sync status, retcode=" << retcode << dendl;
- return set_cr_error(retcode);
- }
-
- /* state: init status */
- if ((rgw_data_sync_info::SyncState)sync_status.sync_info.state == rgw_data_sync_info::StateInit) {
- ldout(sync_env->cct, 20) << __func__ << "(): init" << dendl;
- sync_status.sync_info.num_shards = num_shards;
- uint64_t instance_id;
- get_random_bytes((char *)&instance_id, sizeof(instance_id));
- yield call(new RGWInitDataSyncStatusCoroutine(sync_env, num_shards, instance_id, &sync_status));
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: failed to init sync, retcode=" << retcode << dendl;
- return set_cr_error(retcode);
- }
- // sets state = StateBuildingFullSyncMaps
-
- *reset_backoff = true;
- }
-
- data_sync_module->init(sync_env, sync_status.sync_info.instance_id);
-
- if ((rgw_data_sync_info::SyncState)sync_status.sync_info.state == rgw_data_sync_info::StateBuildingFullSyncMaps) {
- /* call sync module init here */
- yield call(data_sync_module->init_sync(sync_env));
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: sync module init_sync() failed, retcode=" << retcode << dendl;
- return set_cr_error(retcode);
- }
- /* state: building full sync maps */
- ldout(sync_env->cct, 20) << __func__ << "(): building full sync maps" << dendl;
- yield call(new RGWListBucketIndexesCR(sync_env, &sync_status));
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: failed to build full sync maps, retcode=" << retcode << dendl;
- return set_cr_error(retcode);
- }
- sync_status.sync_info.state = rgw_data_sync_info::StateSync;
-
- /* update new state */
- yield call(set_sync_info_cr());
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: failed to write sync status, retcode=" << retcode << dendl;
- return set_cr_error(retcode);
- }
-
- *reset_backoff = true;
- }
-
- yield {
- if ((rgw_data_sync_info::SyncState)sync_status.sync_info.state == rgw_data_sync_info::StateSync) {
- for (map<uint32_t, rgw_data_sync_marker>::iterator iter = sync_status.sync_markers.begin();
- iter != sync_status.sync_markers.end(); ++iter) {
- RGWDataSyncShardControlCR *cr = new RGWDataSyncShardControlCR(sync_env, sync_env->store->get_zone_params().log_pool,
- iter->first, iter->second);
- cr->get();
- shard_crs_lock.Lock();
- shard_crs[iter->first] = cr;
- shard_crs_lock.Unlock();
- spawn(cr, true);
- }
- }
- }
-
- return set_cr_done();
- }
- return 0;
- }
-
- RGWCoroutine *set_sync_info_cr() {
- RGWRados *store = sync_env->store;
- return new RGWSimpleRadosWriteCR<rgw_data_sync_info>(sync_env->async_rados, store,
- rgw_raw_obj(store->get_zone_params().log_pool, RGWDataSyncStatusManager::sync_status_oid(sync_env->source_zone)),
- sync_status.sync_info);
- }
-
- void wakeup(int shard_id, set<string>& keys) {
- Mutex::Locker l(shard_crs_lock);
- map<int, RGWDataSyncShardControlCR *>::iterator iter = shard_crs.find(shard_id);
- if (iter == shard_crs.end()) {
- return;
- }
- iter->second->append_modified_shards(keys);
- iter->second->wakeup();
- }
-};
-
-class RGWDefaultDataSyncModule : public RGWDataSyncModule {
-public:
- RGWDefaultDataSyncModule() {}
-
- RGWCoroutine *sync_object(RGWDataSyncEnv *sync_env, RGWBucketInfo& bucket_info, rgw_obj_key& key, uint64_t versioned_epoch, rgw_zone_set *zones_trace) override;
- RGWCoroutine *remove_object(RGWDataSyncEnv *sync_env, RGWBucketInfo& bucket_info, rgw_obj_key& key, real_time& mtime, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) override;
- RGWCoroutine *create_delete_marker(RGWDataSyncEnv *sync_env, RGWBucketInfo& bucket_info, rgw_obj_key& key, real_time& mtime,
- rgw_bucket_entry_owner& owner, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) override;
-};
-
-class RGWDefaultSyncModuleInstance : public RGWSyncModuleInstance {
- RGWDefaultDataSyncModule data_handler;
-public:
- RGWDefaultSyncModuleInstance() {}
- RGWDataSyncModule *get_data_handler() override {
- return &data_handler;
- }
-};
-
-int RGWDefaultSyncModule::create_instance(CephContext *cct, map<string, string, ltstr_nocase>& config, RGWSyncModuleInstanceRef *instance)
-{
- instance->reset(new RGWDefaultSyncModuleInstance());
- return 0;
-}
-
-RGWCoroutine *RGWDefaultDataSyncModule::sync_object(RGWDataSyncEnv *sync_env, RGWBucketInfo& bucket_info, rgw_obj_key& key, uint64_t versioned_epoch, rgw_zone_set *zones_trace)
-{
- return new RGWFetchRemoteObjCR(sync_env->async_rados, sync_env->store, sync_env->source_zone, bucket_info,
- key, versioned_epoch,
- true, zones_trace);
-}
-
-RGWCoroutine *RGWDefaultDataSyncModule::remove_object(RGWDataSyncEnv *sync_env, RGWBucketInfo& bucket_info, rgw_obj_key& key,
- real_time& mtime, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace)
-{
- return new RGWRemoveObjCR(sync_env->async_rados, sync_env->store, sync_env->source_zone,
- bucket_info, key, versioned, versioned_epoch,
- NULL, NULL, false, &mtime, zones_trace);
-}
-
-RGWCoroutine *RGWDefaultDataSyncModule::create_delete_marker(RGWDataSyncEnv *sync_env, RGWBucketInfo& bucket_info, rgw_obj_key& key, real_time& mtime,
- rgw_bucket_entry_owner& owner, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace)
-{
- return new RGWRemoveObjCR(sync_env->async_rados, sync_env->store, sync_env->source_zone,
- bucket_info, key, versioned, versioned_epoch,
- &owner.id, &owner.display_name, true, &mtime, zones_trace);
-}
-
-class RGWDataSyncControlCR : public RGWBackoffControlCR
-{
- RGWDataSyncEnv *sync_env;
- uint32_t num_shards;
-
- static constexpr bool exit_on_error = false; // retry on all errors
-public:
- RGWDataSyncControlCR(RGWDataSyncEnv *_sync_env, uint32_t _num_shards) : RGWBackoffControlCR(_sync_env->cct, exit_on_error),
- sync_env(_sync_env), num_shards(_num_shards) {
- }
-
- RGWCoroutine *alloc_cr() override {
- return new RGWDataSyncCR(sync_env, num_shards, backoff_ptr());
- }
-
- void wakeup(int shard_id, set<string>& keys) {
- Mutex& m = cr_lock();
-
- m.Lock();
- RGWDataSyncCR *cr = static_cast<RGWDataSyncCR *>(get_cr());
- if (!cr) {
- m.Unlock();
- return;
- }
-
- cr->get();
- m.Unlock();
-
- if (cr) {
- cr->wakeup(shard_id, keys);
- }
-
- cr->put();
- }
-};
-
-void RGWRemoteDataLog::wakeup(int shard_id, set<string>& keys) {
- RWLock::RLocker rl(lock);
- if (!data_sync_cr) {
- return;
- }
- data_sync_cr->wakeup(shard_id, keys);
-}
-
-int RGWRemoteDataLog::run_sync(int num_shards)
-{
- lock.get_write();
- data_sync_cr = new RGWDataSyncControlCR(&sync_env, num_shards);
- data_sync_cr->get(); // run() will drop a ref, so take another
- lock.unlock();
-
- int r = run(data_sync_cr);
-
- lock.get_write();
- data_sync_cr->put();
- data_sync_cr = NULL;
- lock.unlock();
-
- if (r < 0) {
- ldout(store->ctx(), 0) << "ERROR: failed to run sync" << dendl;
- return r;
- }
- return 0;
-}
-
-int RGWDataSyncStatusManager::init()
-{
- auto zone_def_iter = store->zone_by_id.find(source_zone);
- if (zone_def_iter == store->zone_by_id.end()) {
- ldout(store->ctx(), 0) << "ERROR: failed to find zone config info for zone=" << source_zone << dendl;
- return -EIO;
- }
-
- auto& zone_def = zone_def_iter->second;
-
- if (!store->get_sync_modules_manager()->supports_data_export(zone_def.tier_type)) {
- return -ENOTSUP;
- }
-
- RGWZoneParams& zone_params = store->get_zone_params();
-
- sync_module = store->get_sync_module();
-
- conn = store->get_zone_conn_by_id(source_zone);
- if (!conn) {
- ldout(store->ctx(), 0) << "connection object to zone " << source_zone << " does not exist" << dendl;
- return -EINVAL;
- }
-
- error_logger = new RGWSyncErrorLogger(store, RGW_SYNC_ERROR_LOG_SHARD_PREFIX, ERROR_LOGGER_SHARDS);
-
- int r = source_log.init(source_zone, conn, error_logger, sync_module);
- if (r < 0) {
- lderr(store->ctx()) << "ERROR: failed to init remote log, r=" << r << dendl;
- finalize();
- return r;
- }
-
- rgw_datalog_info datalog_info;
- r = source_log.read_log_info(&datalog_info);
- if (r < 0) {
- ldout(store->ctx(), 5) << "ERROR: master.read_log_info() returned r=" << r << dendl;
- finalize();
- return r;
- }
-
- num_shards = datalog_info.num_shards;
-
- for (int i = 0; i < num_shards; i++) {
- shard_objs[i] = rgw_raw_obj(zone_params.log_pool, shard_obj_name(source_zone, i));
- }
-
- return 0;
-}
-
-void RGWDataSyncStatusManager::finalize()
-{
- delete error_logger;
- error_logger = nullptr;
-}
-
-string RGWDataSyncStatusManager::sync_status_oid(const string& source_zone)
-{
- char buf[datalog_sync_status_oid_prefix.size() + source_zone.size() + 16];
- snprintf(buf, sizeof(buf), "%s.%s", datalog_sync_status_oid_prefix.c_str(), source_zone.c_str());
-
- return string(buf);
-}
-
-string RGWDataSyncStatusManager::shard_obj_name(const string& source_zone, int shard_id)
-{
- char buf[datalog_sync_status_shard_prefix.size() + source_zone.size() + 16];
- snprintf(buf, sizeof(buf), "%s.%s.%d", datalog_sync_status_shard_prefix.c_str(), source_zone.c_str(), shard_id);
-
- return string(buf);
-}
-
-int RGWRemoteBucketLog::init(const string& _source_zone, RGWRESTConn *_conn,
- const rgw_bucket& bucket, int shard_id,
- RGWSyncErrorLogger *_error_logger,
- RGWSyncModuleInstanceRef& _sync_module)
-{
- conn = _conn;
- source_zone = _source_zone;
- bs.bucket = bucket;
- bs.shard_id = shard_id;
-
- sync_env.init(store->ctx(), store, conn, async_rados, http_manager, _error_logger, source_zone, _sync_module);
-
- return 0;
-}
-
-struct bucket_index_marker_info {
- string bucket_ver;
- string master_ver;
- string max_marker;
- bool syncstopped{false};
-
- void decode_json(JSONObj *obj) {
- JSONDecoder::decode_json("bucket_ver", bucket_ver, obj);
- JSONDecoder::decode_json("master_ver", master_ver, obj);
- JSONDecoder::decode_json("max_marker", max_marker, obj);
- JSONDecoder::decode_json("syncstopped", syncstopped, obj);
- }
-};
-
-class RGWReadRemoteBucketIndexLogInfoCR : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
- const string instance_key;
-
- bucket_index_marker_info *info;
-
-public:
- RGWReadRemoteBucketIndexLogInfoCR(RGWDataSyncEnv *_sync_env,
- const rgw_bucket_shard& bs,
- bucket_index_marker_info *_info)
- : RGWCoroutine(_sync_env->cct), sync_env(_sync_env),
- instance_key(bs.get_key()), info(_info) {}
-
- int operate() override {
- reenter(this) {
- yield {
- rgw_http_param_pair pairs[] = { { "type" , "bucket-index" },
- { "bucket-instance", instance_key.c_str() },
- { "info" , NULL },
- { NULL, NULL } };
-
- string p = "/admin/log/";
- call(new RGWReadRESTResourceCR<bucket_index_marker_info>(sync_env->cct, sync_env->conn, sync_env->http_manager, p, pairs, info));
- }
- if (retcode < 0) {
- return set_cr_error(retcode);
- }
- return set_cr_done();
- }
- return 0;
- }
-};
-
-class RGWInitBucketShardSyncStatusCoroutine : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
-
- rgw_bucket_shard bs;
- const string sync_status_oid;
-
- rgw_bucket_shard_sync_info& status;
-
- bucket_index_marker_info info;
-public:
- RGWInitBucketShardSyncStatusCoroutine(RGWDataSyncEnv *_sync_env,
- const rgw_bucket_shard& bs,
- rgw_bucket_shard_sync_info& _status)
- : RGWCoroutine(_sync_env->cct), sync_env(_sync_env), bs(bs),
- sync_status_oid(RGWBucketSyncStatusManager::status_oid(sync_env->source_zone, bs)),
- status(_status)
- {}
-
- int operate() override {
- reenter(this) {
- /* fetch current position in logs */
- yield call(new RGWReadRemoteBucketIndexLogInfoCR(sync_env, bs, &info));
- if (retcode < 0 && retcode != -ENOENT) {
- ldout(cct, 0) << "ERROR: failed to fetch bucket index status" << dendl;
- return set_cr_error(retcode);
- }
- yield {
- auto store = sync_env->store;
- rgw_raw_obj obj(store->get_zone_params().log_pool, sync_status_oid);
-
- if (info.syncstopped) {
- call(new RGWRadosRemoveCR(store, obj));
- } else {
- status.state = rgw_bucket_shard_sync_info::StateFullSync;
- status.inc_marker.position = info.max_marker;
- map<string, bufferlist> attrs;
- status.encode_all_attrs(attrs);
- call(new RGWSimpleRadosWriteAttrsCR(sync_env->async_rados, store, obj, attrs));
- }
- }
- return set_cr_done();
- }
- return 0;
- }
-};
-
-RGWCoroutine *RGWRemoteBucketLog::init_sync_status_cr()
-{
- return new RGWInitBucketShardSyncStatusCoroutine(&sync_env, bs, init_status);
-}
-
-template <class T>
-static void decode_attr(CephContext *cct, map<string, bufferlist>& attrs, const string& attr_name, T *val)
-{
- map<string, bufferlist>::iterator iter = attrs.find(attr_name);
- if (iter == attrs.end()) {
- *val = T();
- return;
- }
-
- bufferlist::iterator biter = iter->second.begin();
- try {
- ::decode(*val, biter);
- } catch (buffer::error& err) {
- ldout(cct, 0) << "ERROR: failed to decode attribute: " << attr_name << dendl;
- }
-}
-
-void rgw_bucket_shard_sync_info::decode_from_attrs(CephContext *cct, map<string, bufferlist>& attrs)
-{
- decode_attr(cct, attrs, "state", &state);
- decode_attr(cct, attrs, "full_marker", &full_marker);
- decode_attr(cct, attrs, "inc_marker", &inc_marker);
-}
-
-void rgw_bucket_shard_sync_info::encode_all_attrs(map<string, bufferlist>& attrs)
-{
- encode_state_attr(attrs);
- full_marker.encode_attr(attrs);
- inc_marker.encode_attr(attrs);
-}
-
-void rgw_bucket_shard_sync_info::encode_state_attr(map<string, bufferlist>& attrs)
-{
- ::encode(state, attrs["state"]);
-}
-
-void rgw_bucket_shard_full_sync_marker::encode_attr(map<string, bufferlist>& attrs)
-{
- ::encode(*this, attrs["full_marker"]);
-}
-
-void rgw_bucket_shard_inc_sync_marker::encode_attr(map<string, bufferlist>& attrs)
-{
- ::encode(*this, attrs["inc_marker"]);
-}
-
-class RGWReadBucketSyncStatusCoroutine : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
- string oid;
- rgw_bucket_shard_sync_info *status;
-
- map<string, bufferlist> attrs;
-public:
- RGWReadBucketSyncStatusCoroutine(RGWDataSyncEnv *_sync_env,
- const rgw_bucket_shard& bs,
- rgw_bucket_shard_sync_info *_status)
- : RGWCoroutine(_sync_env->cct), sync_env(_sync_env),
- oid(RGWBucketSyncStatusManager::status_oid(sync_env->source_zone, bs)),
- status(_status) {}
- int operate() override;
-};
-
-int RGWReadBucketSyncStatusCoroutine::operate()
-{
- reenter(this) {
- yield call(new RGWSimpleRadosReadAttrsCR(sync_env->async_rados, sync_env->store,
- rgw_raw_obj(sync_env->store->get_zone_params().log_pool, oid),
- &attrs));
- if (retcode == -ENOENT) {
- *status = rgw_bucket_shard_sync_info();
- return set_cr_done();
- }
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: failed to call fetch bucket shard info oid=" << oid << " ret=" << retcode << dendl;
- return set_cr_error(retcode);
- }
- status->decode_from_attrs(sync_env->cct, attrs);
- return set_cr_done();
- }
- return 0;
-}
-RGWCoroutine *RGWRemoteBucketLog::read_sync_status_cr(rgw_bucket_shard_sync_info *sync_status)
-{
- return new RGWReadBucketSyncStatusCoroutine(&sync_env, bs, sync_status);
-}
-
-RGWBucketSyncStatusManager::~RGWBucketSyncStatusManager() {
- for (map<int, RGWRemoteBucketLog *>::iterator iter = source_logs.begin(); iter != source_logs.end(); ++iter) {
- delete iter->second;
- }
- delete error_logger;
-}
-
-
-void rgw_bucket_entry_owner::decode_json(JSONObj *obj)
-{
- JSONDecoder::decode_json("ID", id, obj);
- JSONDecoder::decode_json("DisplayName", display_name, obj);
-}
-
-struct bucket_list_entry {
- bool delete_marker;
- rgw_obj_key key;
- bool is_latest;
- real_time mtime;
- string etag;
- uint64_t size;
- string storage_class;
- rgw_bucket_entry_owner owner;
- uint64_t versioned_epoch;
- string rgw_tag;
-
- bucket_list_entry() : delete_marker(false), is_latest(false), size(0), versioned_epoch(0) {}
-
- void decode_json(JSONObj *obj) {
- JSONDecoder::decode_json("IsDeleteMarker", delete_marker, obj);
- JSONDecoder::decode_json("Key", key.name, obj);
- JSONDecoder::decode_json("VersionId", key.instance, obj);
- JSONDecoder::decode_json("IsLatest", is_latest, obj);
- string mtime_str;
- JSONDecoder::decode_json("RgwxMtime", mtime_str, obj);
-
- struct tm t;
- uint32_t nsec;
- if (parse_iso8601(mtime_str.c_str(), &t, &nsec)) {
- ceph_timespec ts;
- ts.tv_sec = (uint64_t)internal_timegm(&t);
- ts.tv_nsec = nsec;
- mtime = real_clock::from_ceph_timespec(ts);
- }
- JSONDecoder::decode_json("ETag", etag, obj);
- JSONDecoder::decode_json("Size", size, obj);
- JSONDecoder::decode_json("StorageClass", storage_class, obj);
- JSONDecoder::decode_json("Owner", owner, obj);
- JSONDecoder::decode_json("VersionedEpoch", versioned_epoch, obj);
- JSONDecoder::decode_json("RgwxTag", rgw_tag, obj);
- }
-};
-
-struct bucket_list_result {
- string name;
- string prefix;
- string key_marker;
- string version_id_marker;
- int max_keys;
- bool is_truncated;
- list<bucket_list_entry> entries;
-
- bucket_list_result() : max_keys(0), is_truncated(false) {}
-
- void decode_json(JSONObj *obj) {
- JSONDecoder::decode_json("Name", name, obj);
- JSONDecoder::decode_json("Prefix", prefix, obj);
- JSONDecoder::decode_json("KeyMarker", key_marker, obj);
- JSONDecoder::decode_json("VersionIdMarker", version_id_marker, obj);
- JSONDecoder::decode_json("MaxKeys", max_keys, obj);
- JSONDecoder::decode_json("IsTruncated", is_truncated, obj);
- JSONDecoder::decode_json("Entries", entries, obj);
- }
-};
-
-class RGWListBucketShardCR: public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
- const rgw_bucket_shard& bs;
- const string instance_key;
- rgw_obj_key marker_position;
-
- bucket_list_result *result;
-
-public:
- RGWListBucketShardCR(RGWDataSyncEnv *_sync_env, const rgw_bucket_shard& bs,
- rgw_obj_key& _marker_position, bucket_list_result *_result)
- : RGWCoroutine(_sync_env->cct), sync_env(_sync_env), bs(bs),
- instance_key(bs.get_key()), marker_position(_marker_position),
- result(_result) {}
-
- int operate() override {
- reenter(this) {
- yield {
- rgw_http_param_pair pairs[] = { { "rgwx-bucket-instance", instance_key.c_str() },
- { "versions" , NULL },
- { "format" , "json" },
- { "objs-container" , "true" },
- { "key-marker" , marker_position.name.c_str() },
- { "version-id-marker" , marker_position.instance.c_str() },
- { NULL, NULL } };
- // don't include tenant in the url, it's already part of instance_key
- string p = string("/") + bs.bucket.name;
- call(new RGWReadRESTResourceCR<bucket_list_result>(sync_env->cct, sync_env->conn, sync_env->http_manager, p, pairs, result));
- }
- if (retcode < 0) {
- return set_cr_error(retcode);
- }
- return set_cr_done();
- }
- return 0;
- }
-};
-
-class RGWListBucketIndexLogCR: public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
- const string instance_key;
- string marker;
-
- list<rgw_bi_log_entry> *result;
-
-public:
- RGWListBucketIndexLogCR(RGWDataSyncEnv *_sync_env, const rgw_bucket_shard& bs,
- string& _marker, list<rgw_bi_log_entry> *_result)
- : RGWCoroutine(_sync_env->cct), sync_env(_sync_env),
- instance_key(bs.get_key()), marker(_marker), result(_result) {}
-
- int operate() override {
- reenter(this) {
- yield {
- rgw_http_param_pair pairs[] = { { "bucket-instance", instance_key.c_str() },
- { "format" , "json" },
- { "marker" , marker.c_str() },
- { "type", "bucket-index" },
- { NULL, NULL } };
-
- call(new RGWReadRESTResourceCR<list<rgw_bi_log_entry> >(sync_env->cct, sync_env->conn, sync_env->http_manager, "/admin/log", pairs, result));
- }
- if (retcode < 0) {
- return set_cr_error(retcode);
- }
- return set_cr_done();
- }
- return 0;
- }
-};
-
-#define BUCKET_SYNC_UPDATE_MARKER_WINDOW 10
-
-class RGWBucketFullSyncShardMarkerTrack : public RGWSyncShardMarkerTrack<rgw_obj_key, rgw_obj_key> {
- RGWDataSyncEnv *sync_env;
-
- string marker_oid;
- rgw_bucket_shard_full_sync_marker sync_marker;
-
-public:
- RGWBucketFullSyncShardMarkerTrack(RGWDataSyncEnv *_sync_env,
- const string& _marker_oid,
- const rgw_bucket_shard_full_sync_marker& _marker) : RGWSyncShardMarkerTrack(BUCKET_SYNC_UPDATE_MARKER_WINDOW),
- sync_env(_sync_env),
- marker_oid(_marker_oid),
- sync_marker(_marker) {}
-
- RGWCoroutine *store_marker(const rgw_obj_key& new_marker, uint64_t index_pos, const real_time& timestamp) override {
- sync_marker.position = new_marker;
- sync_marker.count = index_pos;
-
- map<string, bufferlist> attrs;
- sync_marker.encode_attr(attrs);
-
- RGWRados *store = sync_env->store;
-
- ldout(sync_env->cct, 20) << __func__ << "(): updating marker marker_oid=" << marker_oid << " marker=" << new_marker << dendl;
- return new RGWSimpleRadosWriteAttrsCR(sync_env->async_rados, store,
- rgw_raw_obj(store->get_zone_params().log_pool, marker_oid),
- attrs);
- }
-};
-
-class RGWBucketIncSyncShardMarkerTrack : public RGWSyncShardMarkerTrack<string, rgw_obj_key> {
- RGWDataSyncEnv *sync_env;
-
- string marker_oid;
- rgw_bucket_shard_inc_sync_marker sync_marker;
-
- map<rgw_obj_key, string> key_to_marker;
- map<string, rgw_obj_key> marker_to_key;
-
- void handle_finish(const string& marker) override {
- map<string, rgw_obj_key>::iterator iter = marker_to_key.find(marker);
- if (iter == marker_to_key.end()) {
- return;
- }
- key_to_marker.erase(iter->second);
- reset_need_retry(iter->second);
- marker_to_key.erase(iter);
- }
-
-public:
- RGWBucketIncSyncShardMarkerTrack(RGWDataSyncEnv *_sync_env,
- const string& _marker_oid,
- const rgw_bucket_shard_inc_sync_marker& _marker) : RGWSyncShardMarkerTrack(BUCKET_SYNC_UPDATE_MARKER_WINDOW),
- sync_env(_sync_env),
- marker_oid(_marker_oid),
- sync_marker(_marker) {}
-
- RGWCoroutine *store_marker(const string& new_marker, uint64_t index_pos, const real_time& timestamp) override {
- sync_marker.position = new_marker;
-
- map<string, bufferlist> attrs;
- sync_marker.encode_attr(attrs);
-
- RGWRados *store = sync_env->store;
-
- ldout(sync_env->cct, 20) << __func__ << "(): updating marker marker_oid=" << marker_oid << " marker=" << new_marker << dendl;
- return new RGWSimpleRadosWriteAttrsCR(sync_env->async_rados,
- store,
- rgw_raw_obj(store->get_zone_params().log_pool, marker_oid),
- attrs);
- }
-
- /*
- * create index from key -> <op, marker>, and from marker -> key
- * this is useful so that we can insure that we only have one
- * entry for any key that is used. This is needed when doing
- * incremenatl sync of data, and we don't want to run multiple
- * concurrent sync operations for the same bucket shard
- * Also, we should make sure that we don't run concurrent operations on the same key with
- * different ops.
- */
- bool index_key_to_marker(const rgw_obj_key& key, const string& marker) {
- if (key_to_marker.find(key) != key_to_marker.end()) {
- set_need_retry(key);
- return false;
- }
- key_to_marker[key] = marker;
- marker_to_key[marker] = key;
- return true;
- }
-
- bool can_do_op(const rgw_obj_key& key) {
- return (key_to_marker.find(key) == key_to_marker.end());
- }
-};
-
-template <class T, class K>
-class RGWBucketSyncSingleEntryCR : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
-
- RGWBucketInfo *bucket_info;
- const rgw_bucket_shard& bs;
-
- rgw_obj_key key;
- bool versioned;
- uint64_t versioned_epoch;
- rgw_bucket_entry_owner owner;
- real_time timestamp;
- RGWModifyOp op;
- RGWPendingState op_state;
-
- T entry_marker;
- RGWSyncShardMarkerTrack<T, K> *marker_tracker;
-
- int sync_status;
-
- stringstream error_ss;
-
- RGWDataSyncDebugLogger logger;
-
- bool error_injection;
-
- RGWDataSyncModule *data_sync_module;
-
- rgw_zone_set zones_trace;
-
-public:
- RGWBucketSyncSingleEntryCR(RGWDataSyncEnv *_sync_env,
- RGWBucketInfo *_bucket_info,
- const rgw_bucket_shard& bs,
- const rgw_obj_key& _key, bool _versioned, uint64_t _versioned_epoch,
- real_time& _timestamp,
- const rgw_bucket_entry_owner& _owner,
- RGWModifyOp _op, RGWPendingState _op_state,
- const T& _entry_marker, RGWSyncShardMarkerTrack<T, K> *_marker_tracker, rgw_zone_set& _zones_trace) : RGWCoroutine(_sync_env->cct),
- sync_env(_sync_env),
- bucket_info(_bucket_info), bs(bs),
- key(_key), versioned(_versioned), versioned_epoch(_versioned_epoch),
- owner(_owner),
- timestamp(_timestamp), op(_op),
- op_state(_op_state),
- entry_marker(_entry_marker),
- marker_tracker(_marker_tracker),
- sync_status(0){
- stringstream ss;
- ss << bucket_shard_str{bs} << "/" << key << "[" << versioned_epoch << "]";
- set_description() << "bucket sync single entry (source_zone=" << sync_env->source_zone << ") b=" << ss.str() << " log_entry=" << entry_marker << " op=" << (int)op << " op_state=" << (int)op_state;
- ldout(sync_env->cct, 20) << "bucket sync single entry (source_zone=" << sync_env->source_zone << ") b=" << ss.str() << " log_entry=" << entry_marker << " op=" << (int)op << " op_state=" << (int)op_state << dendl;
- set_status("init");
-
- logger.init(sync_env, "Object", ss.str());
-
- error_injection = (sync_env->cct->_conf->rgw_sync_data_inject_err_probability > 0);
-
- data_sync_module = sync_env->sync_module->get_data_handler();
-
- zones_trace = _zones_trace;
- zones_trace.insert(sync_env->store->get_zone().id);
- }
-
- int operate() override {
- reenter(this) {
- /* skip entries that are not complete */
- if (op_state != CLS_RGW_STATE_COMPLETE) {
- goto done;
- }
- do {
- yield {
- marker_tracker->reset_need_retry(key);
- if (key.name.empty()) {
- /* shouldn't happen */
- set_status("skipping empty entry");
- ldout(sync_env->cct, 0) << "ERROR: " << __func__ << "(): entry with empty obj name, skipping" << dendl;
- goto done;
- }
- if (error_injection &&
- rand() % 10000 < cct->_conf->rgw_sync_data_inject_err_probability * 10000.0) {
- ldout(sync_env->cct, 0) << __func__ << ": injecting data sync error on key=" << key.name << dendl;
- retcode = -EIO;
- } else if (op == CLS_RGW_OP_ADD ||
- op == CLS_RGW_OP_LINK_OLH) {
- if (op == CLS_RGW_OP_ADD && !key.instance.empty() && key.instance != "null") {
- set_status("skipping entry");
- ldout(sync_env->cct, 10) << "bucket skipping sync obj: " << sync_env->source_zone << "/" << bucket_info->bucket << "/" << key << "[" << versioned_epoch << "]: versioned object will be synced on link_olh" << dendl;
- goto done;
-
- }
- set_status("syncing obj");
- ldout(sync_env->cct, 5) << "bucket sync: sync obj: " << sync_env->source_zone << "/" << bucket_info->bucket << "/" << key << "[" << versioned_epoch << "]" << dendl;
- logger.log("fetch");
- call(data_sync_module->sync_object(sync_env, *bucket_info, key, versioned_epoch, &zones_trace));
- } else if (op == CLS_RGW_OP_DEL || op == CLS_RGW_OP_UNLINK_INSTANCE) {
- set_status("removing obj");
- if (op == CLS_RGW_OP_UNLINK_INSTANCE) {
- versioned = true;
- }
- logger.log("remove");
- call(data_sync_module->remove_object(sync_env, *bucket_info, key, timestamp, versioned, versioned_epoch, &zones_trace));
- } else if (op == CLS_RGW_OP_LINK_OLH_DM) {
- logger.log("creating delete marker");
- set_status("creating delete marker");
- ldout(sync_env->cct, 10) << "creating delete marker: obj: " << sync_env->source_zone << "/" << bucket_info->bucket << "/" << key << "[" << versioned_epoch << "]" << dendl;
- call(data_sync_module->create_delete_marker(sync_env, *bucket_info, key, timestamp, owner, versioned, versioned_epoch, &zones_trace));
- }
- }
- } while (marker_tracker->need_retry(key));
- {
- stringstream ss;
- if (retcode >= 0) {
- ss << "done";
- } else {
- ss << "done, retcode=" << retcode;
- }
- logger.log(ss.str());
- }
-
- if (retcode < 0 && retcode != -ENOENT) {
- set_status() << "failed to sync obj; retcode=" << retcode;
- ldout(sync_env->cct, 0) << "ERROR: failed to sync object: "
- << bucket_shard_str{bs} << "/" << key.name << dendl;
- error_ss << bucket_shard_str{bs} << "/" << key.name;
- sync_status = retcode;
- }
- if (!error_ss.str().empty()) {
- yield call(sync_env->error_logger->log_error_cr(sync_env->conn->get_remote_id(), "data", error_ss.str(), -retcode, "failed to sync object"));
- }
-done:
- if (sync_status == 0) {
- /* update marker */
- set_status() << "calling marker_tracker->finish(" << entry_marker << ")";
- yield call(marker_tracker->finish(entry_marker));
- sync_status = retcode;
- }
- if (sync_status < 0) {
- return set_cr_error(sync_status);
- }
- return set_cr_done();
- }
- return 0;
- }
-};
-
-#define BUCKET_SYNC_SPAWN_WINDOW 20
-
-class RGWBucketShardFullSyncCR : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
- const rgw_bucket_shard& bs;
- RGWBucketInfo *bucket_info;
- boost::intrusive_ptr<RGWContinuousLeaseCR> lease_cr;
- bucket_list_result list_result;
- list<bucket_list_entry>::iterator entries_iter;
- rgw_bucket_shard_full_sync_marker& full_marker;
- RGWBucketFullSyncShardMarkerTrack marker_tracker;
- rgw_obj_key list_marker;
- bucket_list_entry *entry{nullptr};
- RGWModifyOp op{CLS_RGW_OP_ADD};
-
- int total_entries{0};
-
- int sync_status{0};
-
- const string& status_oid;
-
- RGWDataSyncDebugLogger logger;
- rgw_zone_set zones_trace;
-public:
- RGWBucketShardFullSyncCR(RGWDataSyncEnv *_sync_env, const rgw_bucket_shard& bs,
- RGWBucketInfo *_bucket_info,
- const std::string& status_oid,
- RGWContinuousLeaseCR *lease_cr,
- rgw_bucket_shard_full_sync_marker& _full_marker)
- : RGWCoroutine(_sync_env->cct), sync_env(_sync_env), bs(bs),
- bucket_info(_bucket_info), lease_cr(lease_cr), full_marker(_full_marker),
- marker_tracker(sync_env, status_oid, full_marker),
- status_oid(status_oid) {
- logger.init(sync_env, "BucketFull", bs.get_key());
- zones_trace.insert(sync_env->source_zone);
- }
-
- int operate() override;
-};
-
-int RGWBucketShardFullSyncCR::operate()
-{
- int ret;
- reenter(this) {
- list_marker = full_marker.position;
-
- total_entries = full_marker.count;
- do {
- if (!lease_cr->is_locked()) {
- drain_all();
- return set_cr_error(-ECANCELED);
- }
- set_status("listing remote bucket");
- ldout(sync_env->cct, 20) << __func__ << "(): listing bucket for full sync" << dendl;
- yield call(new RGWListBucketShardCR(sync_env, bs, list_marker,
- &list_result));
- if (retcode < 0 && retcode != -ENOENT) {
- set_status("failed bucket listing, going down");
- drain_all();
- return set_cr_error(retcode);
- }
- entries_iter = list_result.entries.begin();
- for (; entries_iter != list_result.entries.end(); ++entries_iter) {
- if (!lease_cr->is_locked()) {
- drain_all();
- return set_cr_error(-ECANCELED);
- }
- ldout(sync_env->cct, 20) << "[full sync] syncing object: "
- << bucket_shard_str{bs} << "/" << entries_iter->key << dendl;
- entry = &(*entries_iter);
- total_entries++;
- list_marker = entries_iter->key;
- if (!marker_tracker.start(entry->key, total_entries, real_time())) {
- ldout(sync_env->cct, 0) << "ERROR: cannot start syncing " << entry->key << ". Duplicate entry?" << dendl;
- } else {
- op = (entry->key.instance.empty() || entry->key.instance == "null" ? CLS_RGW_OP_ADD : CLS_RGW_OP_LINK_OLH);
- using SyncCR = RGWBucketSyncSingleEntryCR<rgw_obj_key, rgw_obj_key>;
- yield spawn(new SyncCR(sync_env, bucket_info, bs, entry->key,
- false, /* versioned, only matters for object removal */
- entry->versioned_epoch, entry->mtime,
- entry->owner, op, CLS_RGW_STATE_COMPLETE,
- entry->key, &marker_tracker, zones_trace),
- false);
- }
- while (num_spawned() > BUCKET_SYNC_SPAWN_WINDOW) {
- yield wait_for_child();
- bool again = true;
- while (again) {
- again = collect(&ret, nullptr);
- if (ret < 0) {
- ldout(sync_env->cct, 0) << "ERROR: a sync operation returned error" << dendl;
- sync_status = ret;
- /* we have reported this error */
- }
- }
- }
- }
- } while (list_result.is_truncated && sync_status == 0);
- set_status("done iterating over all objects");
- /* wait for all operations to complete */
- while (num_spawned()) {
- yield wait_for_child();
- bool again = true;
- while (again) {
- again = collect(&ret, nullptr);
- if (ret < 0) {
- ldout(sync_env->cct, 0) << "ERROR: a sync operation returned error" << dendl;
- sync_status = ret;
- /* we have reported this error */
- }
- }
- }
- if (!lease_cr->is_locked()) {
- return set_cr_error(-ECANCELED);
- }
- /* update sync state to incremental */
- if (sync_status == 0) {
- yield {
- rgw_bucket_shard_sync_info sync_status;
- sync_status.state = rgw_bucket_shard_sync_info::StateIncrementalSync;
- map<string, bufferlist> attrs;
- sync_status.encode_state_attr(attrs);
- RGWRados *store = sync_env->store;
- call(new RGWSimpleRadosWriteAttrsCR(sync_env->async_rados, store,
- rgw_raw_obj(store->get_zone_params().log_pool, status_oid),
- attrs));
- }
- } else {
- ldout(sync_env->cct, 0) << "ERROR: failure in sync, backing out (sync_status=" << sync_status<< ")" << dendl;
- }
- if (retcode < 0 && sync_status == 0) { /* actually tried to set incremental state and failed */
- ldout(sync_env->cct, 0) << "ERROR: failed to set sync state on bucket "
- << bucket_shard_str{bs} << " retcode=" << retcode << dendl;
- return set_cr_error(retcode);
- }
- if (sync_status < 0) {
- return set_cr_error(sync_status);
- }
- return set_cr_done();
- }
- return 0;
-}
-
-class RGWBucketShardIncrementalSyncCR : public RGWCoroutine {
- RGWDataSyncEnv *sync_env;
- const rgw_bucket_shard& bs;
- RGWBucketInfo *bucket_info;
- boost::intrusive_ptr<RGWContinuousLeaseCR> lease_cr;
- list<rgw_bi_log_entry> list_result;
- list<rgw_bi_log_entry>::iterator entries_iter;
- map<pair<string, string>, pair<real_time, RGWModifyOp> > squash_map;
- rgw_bucket_shard_inc_sync_marker& inc_marker;
- rgw_obj_key key;
- rgw_bi_log_entry *entry{nullptr};
- RGWBucketIncSyncShardMarkerTrack marker_tracker;
- bool updated_status{false};
- const string& status_oid;
- const string& zone_id;
- ceph::real_time sync_modify_time;
-
- string cur_id;
-
- RGWDataSyncDebugLogger logger;
-
- int sync_status{0};
- bool syncstopped{false};
-
-public:
- RGWBucketShardIncrementalSyncCR(RGWDataSyncEnv *_sync_env,
- const rgw_bucket_shard& bs,
- RGWBucketInfo *_bucket_info,
- const std::string& status_oid,
- RGWContinuousLeaseCR *lease_cr,
- rgw_bucket_shard_inc_sync_marker& _inc_marker)
- : RGWCoroutine(_sync_env->cct), sync_env(_sync_env), bs(bs),
- bucket_info(_bucket_info), lease_cr(lease_cr), inc_marker(_inc_marker),
- marker_tracker(sync_env, status_oid, inc_marker), status_oid(status_oid) , zone_id(_sync_env->store->get_zone().id){
- set_description() << "bucket shard incremental sync bucket="
- << bucket_shard_str{bs};
- set_status("init");
- logger.init(sync_env, "BucketInc", bs.get_key());
- }
-
- int operate() override;
-};
-
-int RGWBucketShardIncrementalSyncCR::operate()
-{
- int ret;
- reenter(this) {
- do {
- if (!lease_cr->is_locked()) {
- drain_all();
- return set_cr_error(-ECANCELED);
- }
- ldout(sync_env->cct, 20) << __func__ << "(): listing bilog for incremental sync" << inc_marker.position << dendl;
- set_status() << "listing bilog; position=" << inc_marker.position;
- yield call(new RGWListBucketIndexLogCR(sync_env, bs, inc_marker.position,
- &list_result));
- if (retcode < 0 && retcode != -ENOENT ) {
- drain_all();
- if (!syncstopped) {
- /* wait for all operations to complete */
- return set_cr_error(retcode);
- } else {
- /* no need to retry */
- break;
- }
- }
- squash_map.clear();
- for (auto& e : list_result) {
- if (e.op == RGWModifyOp::CLS_RGW_OP_SYNCSTOP && (sync_modify_time < e.timestamp)) {
- ldout(sync_env->cct, 20) << " syncstop on " << e.timestamp << dendl;
- sync_modify_time = e.timestamp;
- syncstopped = true;
- continue;
- }
- if (e.op == RGWModifyOp::CLS_RGW_OP_RESYNC && (sync_modify_time < e.timestamp)) {
- ldout(sync_env->cct, 20) << " resync on " << e.timestamp << dendl;
- sync_modify_time = e.timestamp;
- syncstopped = false;
- continue;
- }
- if (e.state != CLS_RGW_STATE_COMPLETE) {
- continue;
- }
- if (e.zones_trace.find(zone_id) != e.zones_trace.end()) {
- continue;
- }
- auto& squash_entry = squash_map[make_pair(e.object, e.instance)];
- if (squash_entry.first <= e.timestamp) {
- squash_entry = make_pair<>(e.timestamp, e.op);
- }
- }
-
- entries_iter = list_result.begin();
- for (; entries_iter != list_result.end(); ++entries_iter) {
- if (!lease_cr->is_locked()) {
- drain_all();
- return set_cr_error(-ECANCELED);
- }
- entry = &(*entries_iter);
- {
- ssize_t p = entry->id.find('#'); /* entries might have explicit shard info in them, e.g., 6#00000000004.94.3 */
- if (p < 0) {
- cur_id = entry->id;
- } else {
- cur_id = entry->id.substr(p + 1);
- }
- }
- inc_marker.position = cur_id;
-
- if (entry->op == RGWModifyOp::CLS_RGW_OP_SYNCSTOP || entry->op == RGWModifyOp::CLS_RGW_OP_RESYNC) {
- ldout(sync_env->cct, 20) << "detected syncstop or resync on " << entries_iter->timestamp << " , skipping entry" << dendl;
- marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp);
- continue;
- }
-
- if (!key.set(rgw_obj_index_key{entry->object, entry->instance})) {
- set_status() << "parse_raw_oid() on " << entry->object << " returned false, skipping entry";
- ldout(sync_env->cct, 20) << "parse_raw_oid() on " << entry->object << " returned false, skipping entry" << dendl;
- marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp);
- continue;
- }
-
- ldout(sync_env->cct, 20) << "parsed entry: id=" << cur_id << " iter->object=" << entry->object << " iter->instance=" << entry->instance << " name=" << key.name << " instance=" << key.instance << " ns=" << key.ns << dendl;
-
- if (!key.ns.empty()) {
- set_status() << "skipping entry in namespace: " << entry->object;
- ldout(sync_env->cct, 20) << "skipping entry in namespace: " << entry->object << dendl;
- marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp);
- continue;
- }
-
- set_status() << "got entry.id=" << cur_id << " key=" << key << " op=" << (int)entry->op;
- if (entry->op == CLS_RGW_OP_CANCEL) {
- set_status() << "canceled operation, skipping";
- ldout(sync_env->cct, 20) << "[inc sync] skipping object: "
- << bucket_shard_str{bs} << "/" << key << ": canceled operation" << dendl;
- marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp);
- continue;
- }
- if (entry->state != CLS_RGW_STATE_COMPLETE) {
- set_status() << "non-complete operation, skipping";
- ldout(sync_env->cct, 20) << "[inc sync] skipping object: "
- << bucket_shard_str{bs} << "/" << key << ": non-complete operation" << dendl;
- marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp);
- continue;
- }
- if (entry->zones_trace.find(zone_id) != entry->zones_trace.end()) {
- set_status() << "redundant operation, skipping";
- ldout(sync_env->cct, 20) << "[inc sync] skipping object: "
- <<bucket_shard_str{bs} <<"/"<<key<<": redundant operation" << dendl;
- marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp);
- continue;
- }
- if (make_pair<>(entry->timestamp, entry->op) != squash_map[make_pair(entry->object, entry->instance)]) {
- set_status() << "squashed operation, skipping";
- ldout(sync_env->cct, 20) << "[inc sync] skipping object: "
- << bucket_shard_str{bs} << "/" << key << ": squashed operation" << dendl;
- /* not updating high marker though */
- continue;
- }
- ldout(sync_env->cct, 20) << "[inc sync] syncing object: "
- << bucket_shard_str{bs} << "/" << key << dendl;
- updated_status = false;
- while (!marker_tracker.can_do_op(key)) {
- if (!updated_status) {
- set_status() << "can't do op, conflicting inflight operation";
- updated_status = true;
- }
- ldout(sync_env->cct, 5) << *this << ": [inc sync] can't do op on key=" << key << " need to wait for conflicting operation to complete" << dendl;
- yield wait_for_child();
- bool again = true;
- while (again) {
- again = collect(&ret, nullptr);
- if (ret < 0) {
- ldout(sync_env->cct, 0) << "ERROR: a child operation returned error (ret=" << ret << ")" << dendl;
- sync_status = ret;
- /* we have reported this error */
- }
- }
- }
- if (!marker_tracker.index_key_to_marker(key, cur_id)) {
- set_status() << "can't do op, sync already in progress for object";
- ldout(sync_env->cct, 20) << __func__ << ": skipping sync of entry: " << cur_id << ":" << key << " sync already in progress for object" << dendl;
- marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp);
- continue;
- }
- // yield {
- set_status() << "start object sync";
- if (!marker_tracker.start(cur_id, 0, entry->timestamp)) {
- ldout(sync_env->cct, 0) << "ERROR: cannot start syncing " << cur_id << ". Duplicate entry?" << dendl;
- } else {
- uint64_t versioned_epoch = 0;
- rgw_bucket_entry_owner owner(entry->owner, entry->owner_display_name);
- if (entry->ver.pool < 0) {
- versioned_epoch = entry->ver.epoch;
- }
- ldout(sync_env->cct, 20) << __func__ << "(): entry->timestamp=" << entry->timestamp << dendl;
- using SyncCR = RGWBucketSyncSingleEntryCR<string, rgw_obj_key>;
- spawn(new SyncCR(sync_env, bucket_info, bs, key,
- entry->is_versioned(), versioned_epoch,
- entry->timestamp, owner, entry->op, entry->state,
- cur_id, &marker_tracker, entry->zones_trace),
- false);
- }
- // }
- while (num_spawned() > BUCKET_SYNC_SPAWN_WINDOW) {
- set_status() << "num_spawned() > spawn_window";
- yield wait_for_child();
- bool again = true;
- while (again) {
- again = collect(&ret, nullptr);
- if (ret < 0) {
- ldout(sync_env->cct, 0) << "ERROR: a sync operation returned error" << dendl;
- sync_status = ret;
- /* we have reported this error */
- }
- /* not waiting for child here */
- }
- }
- }
- } while (!list_result.empty() && sync_status == 0);
-
- if (syncstopped) {
- drain_all();
-
- yield {
- const string& oid = RGWBucketSyncStatusManager::status_oid(sync_env->source_zone, bs);
- RGWRados *store = sync_env->store;
- call(new RGWRadosRemoveCR(store, rgw_raw_obj{store->get_zone_params().log_pool, oid}));
- }
- lease_cr->abort();
- return set_cr_done();
- }
-
- while (num_spawned()) {
- yield wait_for_child();
- bool again = true;
- while (again) {
- again = collect(&ret, nullptr);
- if (ret < 0) {
- ldout(sync_env->cct, 0) << "ERROR: a sync operation returned error" << dendl;
- sync_status = ret;
- /* we have reported this error */
- }
- /* not waiting for child here */
- }
- }
-
- yield call(marker_tracker.flush());
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: marker_tracker.flush() returned retcode=" << retcode << dendl;
- return set_cr_error(retcode);
- }
- if (sync_status < 0) {
- ldout(sync_env->cct, 0) << "ERROR: failure in sync, backing out (sync_status=" << sync_status<< ")" << dendl;
- }
-
- /* wait for all operations to complete */
- drain_all();
-
- if (sync_status < 0) {
- return set_cr_error(sync_status);
- }
-
- return set_cr_done();
- }
- return 0;
-}
-
-int RGWRunBucketSyncCoroutine::operate()
-{
- reenter(this) {
- yield {
- set_status("acquiring sync lock");
- auto store = sync_env->store;
- lease_cr.reset(new RGWContinuousLeaseCR(sync_env->async_rados, store,
- rgw_raw_obj(store->get_zone_params().log_pool, status_oid),
- "sync_lock",
- cct->_conf->rgw_sync_lease_period,
- this));
- lease_stack.reset(spawn(lease_cr.get(), false));
- }
- while (!lease_cr->is_locked()) {
- if (lease_cr->is_done()) {
- ldout(cct, 5) << "lease cr failed, done early" << dendl;
- set_status("lease lock failed, early abort");
- return set_cr_error(lease_cr->get_ret_status());
- }
- set_sleeping(true);
- yield;
- }
-
- yield call(new RGWReadBucketSyncStatusCoroutine(sync_env, bs, &sync_status));
- if (retcode < 0 && retcode != -ENOENT) {
- ldout(sync_env->cct, 0) << "ERROR: failed to read sync status for bucket="
- << bucket_shard_str{bs} << dendl;
- lease_cr->go_down();
- drain_all();
- return set_cr_error(retcode);
- }
-
- ldout(sync_env->cct, 20) << __func__ << "(): sync status for bucket "
- << bucket_shard_str{bs} << ": " << sync_status.state << dendl;
-
- yield call(new RGWGetBucketInstanceInfoCR(sync_env->async_rados, sync_env->store, bs.bucket, &bucket_info));
- if (retcode == -ENOENT) {
- /* bucket instance info has not been synced in yet, fetch it now */
- yield {
- ldout(sync_env->cct, 10) << "no local info for bucket "
- << bucket_str{bs.bucket} << ": fetching metadata" << dendl;
- string raw_key = string("bucket.instance:") + bs.bucket.get_key();
-
- meta_sync_env.init(cct, sync_env->store, sync_env->store->rest_master_conn, sync_env->async_rados, sync_env->http_manager, sync_env->error_logger);
-
- call(new RGWMetaSyncSingleEntryCR(&meta_sync_env, raw_key,
- string() /* no marker */,
- MDLOG_STATUS_COMPLETE,
- NULL /* no marker tracker */));
- }
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: failed to fetch bucket instance info for " << bucket_str{bs.bucket} << dendl;
- lease_cr->go_down();
- drain_all();
- return set_cr_error(retcode);
- }
-
- yield call(new RGWGetBucketInstanceInfoCR(sync_env->async_rados, sync_env->store, bs.bucket, &bucket_info));
- }
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: failed to retrieve bucket info for bucket=" << bucket_str{bs.bucket} << dendl;
- lease_cr->go_down();
- drain_all();
- return set_cr_error(retcode);
- }
-
- if (sync_status.state == rgw_bucket_shard_sync_info::StateInit) {
- yield call(new RGWInitBucketShardSyncStatusCoroutine(sync_env, bs, sync_status));
- if (retcode < 0) {
- ldout(sync_env->cct, 0) << "ERROR: init sync on " << bucket_shard_str{bs}
- << " failed, retcode=" << retcode << dendl;
- lease_cr->go_down();
- drain_all();
- return set_cr_error(retcode);
- }
- }
-
- if (sync_status.state == rgw_bucket_shard_sync_info::StateFullSync) {
- yield call(new RGWBucketShardFullSyncCR(sync_env, bs, &bucket_info,
- status_oid, lease_cr.get(),
- sync_status.full_marker));
- if (retcode < 0) {
- ldout(sync_env->cct, 5) << "full sync on " << bucket_shard_str{bs}
- << " failed, retcode=" << retcode << dendl;
- lease_cr->go_down();
- drain_all();
- return set_cr_error(retcode);
- }
- sync_status.state = rgw_bucket_shard_sync_info::StateIncrementalSync;
- }
-
- if (sync_status.state == rgw_bucket_shard_sync_info::StateIncrementalSync) {
- yield call(new RGWBucketShardIncrementalSyncCR(sync_env, bs, &bucket_info,
- status_oid, lease_cr.get(),
- sync_status.inc_marker));
- if (retcode < 0) {
- ldout(sync_env->cct, 5) << "incremental sync on " << bucket_shard_str{bs}
- << " failed, retcode=" << retcode << dendl;
- lease_cr->go_down();
- drain_all();
- return set_cr_error(retcode);
- }
- }
-
- lease_cr->go_down();
- drain_all();
- return set_cr_done();
- }
-
- return 0;
-}
-
-RGWCoroutine *RGWRemoteBucketLog::run_sync_cr()
-{
- return new RGWRunBucketSyncCoroutine(&sync_env, bs);
-}
-
-int RGWBucketSyncStatusManager::init()
-{
- conn = store->get_zone_conn_by_id(source_zone);
- if (!conn) {
- ldout(store->ctx(), 0) << "connection object to zone " << source_zone << " does not exist" << dendl;
- return -EINVAL;
- }
-
- int ret = http_manager.set_threaded();
- if (ret < 0) {
- ldout(store->ctx(), 0) << "failed in http_manager.set_threaded() ret=" << ret << dendl;
- return ret;
- }
-
-
- const string key = bucket.get_key();
-
- rgw_http_param_pair pairs[] = { { "key", key.c_str() },
- { NULL, NULL } };
-
- string path = string("/admin/metadata/bucket.instance");
-
- bucket_instance_meta_info result;
- ret = cr_mgr.run(new RGWReadRESTResourceCR<bucket_instance_meta_info>(store->ctx(), conn, &http_manager, path, pairs, &result));
- if (ret < 0) {
- ldout(store->ctx(), 0) << "ERROR: failed to fetch bucket metadata info from zone=" << source_zone << " path=" << path << " key=" << key << " ret=" << ret << dendl;
- return ret;
- }
-
- RGWBucketInfo& bi = result.data.get_bucket_info();
- num_shards = bi.num_shards;
-
- error_logger = new RGWSyncErrorLogger(store, RGW_SYNC_ERROR_LOG_SHARD_PREFIX, ERROR_LOGGER_SHARDS);
-
- sync_module.reset(new RGWDefaultSyncModuleInstance());
-
- int effective_num_shards = (num_shards ? num_shards : 1);
-
- auto async_rados = store->get_async_rados();
-
- for (int i = 0; i < effective_num_shards; i++) {
- RGWRemoteBucketLog *l = new RGWRemoteBucketLog(store, this, async_rados, &http_manager);
- ret = l->init(source_zone, conn, bucket, (num_shards ? i : -1), error_logger, sync_module);
- if (ret < 0) {
- ldout(store->ctx(), 0) << "ERROR: failed to initialize RGWRemoteBucketLog object" << dendl;
- return ret;
- }
- source_logs[i] = l;
- }
-
- return 0;
-}
-
-int RGWBucketSyncStatusManager::init_sync_status()
-{
- list<RGWCoroutinesStack *> stacks;
-
- for (map<int, RGWRemoteBucketLog *>::iterator iter = source_logs.begin(); iter != source_logs.end(); ++iter) {
- RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), &cr_mgr);
- RGWRemoteBucketLog *l = iter->second;
- stack->call(l->init_sync_status_cr());
-
- stacks.push_back(stack);
- }
-
- return cr_mgr.run(stacks);
-}
-
-int RGWBucketSyncStatusManager::read_sync_status()
-{
- list<RGWCoroutinesStack *> stacks;
-
- for (map<int, RGWRemoteBucketLog *>::iterator iter = source_logs.begin(); iter != source_logs.end(); ++iter) {
- RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), &cr_mgr);
- RGWRemoteBucketLog *l = iter->second;
- stack->call(l->read_sync_status_cr(&sync_status[iter->first]));
-
- stacks.push_back(stack);
- }
-
- int ret = cr_mgr.run(stacks);
- if (ret < 0) {
- ldout(store->ctx(), 0) << "ERROR: failed to read sync status for "
- << bucket_str{bucket} << dendl;
- return ret;
- }
-
- return 0;
-}
-
-int RGWBucketSyncStatusManager::run()
-{
- list<RGWCoroutinesStack *> stacks;
-
- for (map<int, RGWRemoteBucketLog *>::iterator iter = source_logs.begin(); iter != source_logs.end(); ++iter) {
- RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), &cr_mgr);
- RGWRemoteBucketLog *l = iter->second;
- stack->call(l->run_sync_cr());
-
- stacks.push_back(stack);
- }
-
- int ret = cr_mgr.run(stacks);
- if (ret < 0) {
- ldout(store->ctx(), 0) << "ERROR: failed to read sync status for "
- << bucket_str{bucket} << dendl;
- return ret;
- }
-
- return 0;
-}
-
-string RGWBucketSyncStatusManager::status_oid(const string& source_zone,
- const rgw_bucket_shard& bs)
-{
- return bucket_status_oid_prefix + "." + source_zone + ":" + bs.get_key();
-}
-
-
-// TODO: move into rgw_data_sync_trim.cc
-#undef dout_prefix
-#define dout_prefix (*_dout << "data trim: ")
-
-namespace {
-
-/// return the marker that it's safe to trim up to
-const std::string& get_stable_marker(const rgw_data_sync_marker& m)
-{
- return m.state == m.FullSync ? m.next_step_marker : m.marker;
-}
-
-/// comparison operator for take_min_markers()
-bool operator<(const rgw_data_sync_marker& lhs,
- const rgw_data_sync_marker& rhs)
-{
- // sort by stable marker
- return get_stable_marker(lhs) < get_stable_marker(rhs);
-}
-
-/// populate the container starting with 'dest' with the minimum stable marker
-/// of each shard for all of the peers in [first, last)
-template <typename IterIn, typename IterOut>
-void take_min_markers(IterIn first, IterIn last, IterOut dest)
-{
- if (first == last) {
- return;
- }
- // initialize markers with the first peer's
- auto m = dest;
- for (auto &shard : first->sync_markers) {
- *m = std::move(shard.second);
- ++m;
- }
- // for remaining peers, replace with smaller markers
- for (auto p = first + 1; p != last; ++p) {
- m = dest;
- for (auto &shard : p->sync_markers) {
- if (shard.second < *m) {
- *m = std::move(shard.second);
- }
- ++m;
- }
- }
-}
-
-} // anonymous namespace
-
-class DataLogTrimCR : public RGWCoroutine {
- RGWRados *store;
- RGWHTTPManager *http;
- const int num_shards;
- const std::string& zone_id; //< my zone id
- std::vector<rgw_data_sync_status> peer_status; //< sync status for each peer
- std::vector<rgw_data_sync_marker> min_shard_markers; //< min marker per shard
- std::vector<std::string>& last_trim; //< last trimmed marker per shard
- int ret{0};
-
- public:
- DataLogTrimCR(RGWRados *store, RGWHTTPManager *http,
- int num_shards, std::vector<std::string>& last_trim)
- : RGWCoroutine(store->ctx()), store(store), http(http),
- num_shards(num_shards),
- zone_id(store->get_zone().id),
- peer_status(store->zone_conn_map.size()),
- min_shard_markers(num_shards),
- last_trim(last_trim)
- {}
-
- int operate() override;
-};
-
-int DataLogTrimCR::operate()
-{
- reenter(this) {
- ldout(cct, 10) << "fetching sync status for zone " << zone_id << dendl;
- set_status("fetching sync status");
- yield {
- // query data sync status from each sync peer
- rgw_http_param_pair params[] = {
- { "type", "data" },
- { "status", nullptr },
- { "source-zone", zone_id.c_str() },
- { nullptr, nullptr }
- };
-
- auto p = peer_status.begin();
- for (auto& c : store->zone_conn_map) {
- ldout(cct, 20) << "query sync status from " << c.first << dendl;
- using StatusCR = RGWReadRESTResourceCR<rgw_data_sync_status>;
- spawn(new StatusCR(cct, c.second, http, "/admin/log/", params, &*p),
- false);
- ++p;
- }
- }
-
- // must get a successful reply from all peers to consider trimming
- ret = 0;
- while (ret == 0 && num_spawned() > 0) {
- yield wait_for_child();
- collect_next(&ret);
- }
- drain_all();
-
- if (ret < 0) {
- ldout(cct, 4) << "failed to fetch sync status from all peers" << dendl;
- return set_cr_error(ret);
- }
-
- ldout(cct, 10) << "trimming log shards" << dendl;
- set_status("trimming log shards");
- yield {
- // determine the minimum marker for each shard
- take_min_markers(peer_status.begin(), peer_status.end(),
- min_shard_markers.begin());
-
- for (int i = 0; i < num_shards; i++) {
- const auto& m = min_shard_markers[i];
- auto& stable = get_stable_marker(m);
- if (stable <= last_trim[i]) {
- continue;
- }
- ldout(cct, 10) << "trimming log shard " << i
- << " at marker=" << stable
- << " last_trim=" << last_trim[i] << dendl;
- using TrimCR = RGWSyncLogTrimCR;
- spawn(new TrimCR(store, store->data_log->get_oid(i),
- stable, &last_trim[i]),
- true);
- }
- }
- return set_cr_done();
- }
- return 0;
-}
-
-class DataLogTrimPollCR : public RGWCoroutine {
- RGWRados *store;
- RGWHTTPManager *http;
- const int num_shards;
- const utime_t interval; //< polling interval
- const std::string lock_oid; //< use first data log shard for lock
- const std::string lock_cookie;
- std::vector<std::string> last_trim; //< last trimmed marker per shard
-
- public:
- DataLogTrimPollCR(RGWRados *store, RGWHTTPManager *http,
- int num_shards, utime_t interval)
- : RGWCoroutine(store->ctx()), store(store), http(http),
- num_shards(num_shards), interval(interval),
- lock_oid(store->data_log->get_oid(0)),
- lock_cookie(RGWSimpleRadosLockCR::gen_random_cookie(cct)),
- last_trim(num_shards)
- {}
-
- int operate() override;
-};
-
-int DataLogTrimPollCR::operate()
-{
- reenter(this) {
- for (;;) {
- set_status("sleeping");
- wait(interval);
-
- // request a 'data_trim' lock that covers the entire wait interval to
- // prevent other gateways from attempting to trim for the duration
- set_status("acquiring trim lock");
- yield call(new RGWSimpleRadosLockCR(store->get_async_rados(), store,
- rgw_raw_obj(store->get_zone_params().log_pool, lock_oid),
- "data_trim", lock_cookie,
- interval.sec()));
- if (retcode < 0) {
- // if the lock is already held, go back to sleep and try again later
- ldout(cct, 4) << "failed to lock " << lock_oid << ", trying again in "
- << interval.sec() << "s" << dendl;
- continue;
- }
-
- set_status("trimming");
- yield call(new DataLogTrimCR(store, http, num_shards, last_trim));
-
- // note that the lock is not released. this is intentional, as it avoids
- // duplicating this work in other gateways
- }
- }
- return 0;
-}
-
-RGWCoroutine* create_data_log_trim_cr(RGWRados *store,
- RGWHTTPManager *http,
- int num_shards, utime_t interval)
-{
- return new DataLogTrimPollCR(store, http, num_shards, interval);
-}