--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include <boost/program_options/variables_map.hpp>
+#include <boost/program_options/parsers.hpp>
+
+#include <stdio.h>
+#include <string.h>
+#include <iostream>
+#include <time.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include "global/global_init.h"
+#include "common/ceph_argparse.h"
+#include "include/stringify.h"
+#include "common/errno.h"
+#include "common/safe_io.h"
+
+#include "os/bluestore/BlueFS.h"
+#include "os/bluestore/BlueStore.h"
+
+namespace po = boost::program_options;
+
+void usage(po::options_description &desc)
+{
+ cout << desc << std::endl;
+}
+
+void validate_path(CephContext *cct, const string& path, bool bluefs)
+{
+ BlueStore bluestore(cct, path);
+ string type;
+ int r = bluestore.read_meta("type", &type);
+ if (r < 0) {
+ cerr << "failed to load os-type: " << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ if (type != "bluestore") {
+ cerr << "expected bluestore, but type is " << type << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ if (!bluefs) {
+ return;
+ }
+
+ string kv_backend;
+ r = bluestore.read_meta("kv_backend", &kv_backend);
+ if (r < 0) {
+ cerr << "failed to load kv_backend: " << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ if (kv_backend != "rocksdb") {
+ cerr << "expect kv_backend to be rocksdb, but is " << kv_backend
+ << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ string bluefs_enabled;
+ r = bluestore.read_meta("bluefs", &bluefs_enabled);
+ if (r < 0) {
+ cerr << "failed to load do_bluefs: " << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ if (bluefs_enabled != "1") {
+ cerr << "bluefs not enabled for rocksdb" << std::endl;
+ exit(EXIT_FAILURE);
+ }
+}
+
+BlueFS *open_bluefs(
+ CephContext *cct,
+ const string& path,
+ const vector<string>& devs)
+{
+ validate_path(cct, path, true);
+ BlueFS *fs = new BlueFS(cct);
+
+ string main;
+ set<int> got;
+ for (auto& i : devs) {
+ bluestore_bdev_label_t label;
+ int r = BlueStore::_read_bdev_label(cct, i, &label);
+ if (r < 0) {
+ cerr << "unable to read label for " << i << ": "
+ << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ int id = -1;
+ if (label.description == "main")
+ main = i;
+ else if (label.description == "bluefs db")
+ id = BlueFS::BDEV_DB;
+ else if (label.description == "bluefs wal")
+ id = BlueFS::BDEV_WAL;
+ if (id >= 0) {
+ got.insert(id);
+ cout << " slot " << id << " " << i << std::endl;
+ int r = fs->add_block_device(id, i);
+ if (r < 0) {
+ cerr << "unable to open " << i << ": " << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ }
+ }
+ if (main.length()) {
+ int id = BlueFS::BDEV_DB;
+ if (got.count(BlueFS::BDEV_DB))
+ id = BlueFS::BDEV_SLOW;
+ cout << " slot " << id << " " << main << std::endl;
+ int r = fs->add_block_device(id, main);
+ if (r < 0) {
+ cerr << "unable to open " << main << ": " << cpp_strerror(r)
+ << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ int r = fs->mount();
+ if (r < 0) {
+ cerr << "unable to mount bluefs: " << cpp_strerror(r)
+ << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ return fs;
+}
+
+int main(int argc, char **argv)
+{
+ string out_dir;
+ vector<string> devs;
+ string path;
+ string action;
+ string log_file;
+ string key, value;
+ int log_level = 30;
+ bool fsck_deep = false;
+ po::options_description po_options("Options");
+ po_options.add_options()
+ ("help,h", "produce help message")
+ ("path", po::value<string>(&path), "bluestore path")
+ ("out-dir", po::value<string>(&out_dir), "output directory")
+ ("log-file,l", po::value<string>(&log_file), "log file")
+ ("log-level", po::value<int>(&log_level), "log level (30=most, 20=lots, 10=some, 1=little)")
+ ("dev", po::value<vector<string>>(&devs), "device(s)")
+ ("deep", po::value<bool>(&fsck_deep), "deep fsck (read all data)")
+ ("key,k", po::value<string>(&key), "label metadata key name")
+ ("value,v", po::value<string>(&value), "label metadata value")
+ ;
+ po::options_description po_positional("Positional options");
+ po_positional.add_options()
+ ("command", po::value<string>(&action), "fsck, repair, bluefs-export, bluefs-bdev-sizes, bluefs-bdev-expand, show-label, set-label-key, rm-label-key, prime-osd-dir")
+ ;
+ po::options_description po_all("All options");
+ po_all.add(po_options).add(po_positional);
+ po::positional_options_description pd;
+ pd.add("command", 1);
+
+ vector<string> ceph_option_strings;
+ po::variables_map vm;
+ try {
+ po::parsed_options parsed =
+ po::command_line_parser(argc, argv).options(po_all).allow_unregistered().positional(pd).run();
+ po::store( parsed, vm);
+ po::notify(vm);
+ ceph_option_strings = po::collect_unrecognized(parsed.options,
+ po::include_positional);
+ } catch(po::error &e) {
+ std::cerr << e.what() << std::endl;
+ exit(EXIT_FAILURE);
+ }
+
+ if (vm.count("help")) {
+ usage(po_all);
+ exit(EXIT_SUCCESS);
+ }
+ if (action.empty()) {
+ cerr << "must specify an action; --help for help" << std::endl;
+ exit(EXIT_FAILURE);
+ }
+
+ if (action == "fsck" || action == "repair") {
+ if (path.empty()) {
+ cerr << "must specify bluestore path" << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ }
+ if (action == "prime-osd-dir") {
+ if (devs.size() != 1) {
+ cerr << "must specify the main bluestore device" << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ if (path.empty()) {
+ cerr << "must specify osd dir to prime" << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ }
+ if (action == "set-label-key" ||
+ action == "rm-label-key") {
+ if (devs.size() != 1) {
+ cerr << "must specify the main bluestore device" << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ if (key.size() == 0) {
+ cerr << "must specify a key name with -k" << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ if (action == "set-label-key" && value.size() == 0) {
+ cerr << "must specify a value with -v" << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ }
+ if (action == "show-label") {
+ if (devs.empty() && path.empty()) {
+ cerr << "must specify bluestore path *or* raw device(s)" << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ if (devs.empty()) {
+ cout << "infering bluefs devices from bluestore path" << std::endl;
+ for (auto fn : {"block", "block.wal", "block.db"}) {
+ string p = path + "/" + fn;
+ struct stat st;
+ if (::stat(p.c_str(), &st) == 0) {
+ devs.push_back(p);
+ }
+ }
+ }
+ }
+ if (action == "bluefs-export") {
+ if (path.empty()) {
+ cerr << "must specify bluestore path" << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ if (out_dir.empty()) {
+ cerr << "must specify out-dir to export bluefs" << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ cout << "infering bluefs devices from bluestore path" << std::endl;
+ for (auto fn : {"block", "block.wal", "block.db"}) {
+ string p = path + "/" + fn;
+ struct stat st;
+ if (::stat(p.c_str(), &st) == 0) {
+ devs.push_back(p);
+ }
+ }
+ }
+ if (action == "bluefs-bdev-sizes" || action == "bluefs-bdev-expand") {
+ if (path.empty()) {
+ cerr << "must specify bluestore path" << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ cout << "infering bluefs devices from bluestore path" << std::endl;
+ for (auto fn : {"block", "block.wal", "block.db"}) {
+ string p = path + "/" + fn;
+ struct stat st;
+ if (::stat(p.c_str(), &st) == 0) {
+ devs.push_back(p);
+ }
+ }
+ }
+
+ vector<const char*> args;
+ if (log_file.size()) {
+ args.push_back("--log-file");
+ args.push_back(log_file.c_str());
+ static char ll[10];
+ snprintf(ll, sizeof(ll), "%d", log_level);
+ args.push_back("--debug-bluestore");
+ args.push_back(ll);
+ args.push_back("--debug-bluefs");
+ args.push_back(ll);
+ }
+ args.push_back("--no-log-to-stderr");
+ args.push_back("--err-to-stderr");
+
+ for (auto& i : ceph_option_strings) {
+ args.push_back(i.c_str());
+ }
+ env_to_vec(args);
+
+ auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
+ CODE_ENVIRONMENT_UTILITY, 0);
+ common_init_finish(cct.get());
+
+ if (action == "fsck" ||
+ action == "repair") {
+ validate_path(cct.get(), path, false);
+ BlueStore bluestore(cct.get(), path);
+ int r;
+ if (action == "fsck") {
+ r = bluestore.fsck(fsck_deep);
+ } else {
+ r = bluestore.repair(fsck_deep);
+ }
+ if (r < 0) {
+ cerr << "error from fsck: " << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ cout << action << " success" << std::endl;
+ }
+ else if (action == "prime-osd-dir") {
+ bluestore_bdev_label_t label;
+ int r = BlueStore::_read_bdev_label(cct.get(), devs.front(), &label);
+ if (r < 0) {
+ cerr << "failed to read label for " << devs.front() << ": "
+ << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+
+ // kludge some things into the map that we want to populate into
+ // target dir
+ label.meta["path_block"] = devs.front();
+ label.meta["type"] = "bluestore";
+ label.meta["fsid"] = stringify(label.osd_uuid);
+
+ for (auto kk : {
+ "whoami",
+ "osd_key",
+ "path_block", "path_block.db", "path_block.wal",
+ "ceph_fsid",
+ "fsid",
+ "type",
+ "ready" }) {
+ string k = kk;
+ auto i = label.meta.find(k);
+ if (i == label.meta.end()) {
+ continue;
+ }
+ string p = path + "/" + k;
+ string v = i->second;
+ if (k == "osd_key") {
+ p = path + "/keyring";
+ v = "[osd.";
+ v += label.meta["whoami"];
+ v += "]\nkey = " + i->second;
+ }
+ if (k.find("path_") == 0) {
+ p = path + "/" + k.substr(5);
+ int r = ::symlink(v.c_str(), p.c_str());
+ if (r < 0 && errno == EEXIST) {
+ struct stat st;
+ r = ::stat(p.c_str(), &st);
+ if (r == 0 && S_ISLNK(st.st_mode)) {
+ char target[PATH_MAX];
+ r = ::readlink(p.c_str(), target, sizeof(target));
+ if (r > 0) {
+ if (v == target) {
+ r = 0; // already matches our target
+ } else {
+ ::unlink(p.c_str());
+ r = ::symlink(v.c_str(), p.c_str());
+ }
+ } else {
+ cerr << "error reading existing link at " << p << ": " << cpp_strerror(errno)
+ << std::endl;
+ }
+ }
+ }
+ if (r < 0) {
+ cerr << "error symlinking " << p << ": " << cpp_strerror(errno)
+ << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ v += "\n";
+ int fd = ::open(p.c_str(), O_CREAT|O_TRUNC|O_WRONLY, 0600);
+ if (fd < 0) {
+ cerr << "error writing " << p << ": " << cpp_strerror(errno)
+ << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ int r = safe_write(fd, v.c_str(), v.size());
+ if (r < 0) {
+ cerr << "error writing to " << p << ": " << cpp_strerror(errno)
+ << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ ::close(fd);
+ }
+ }
+ }
+ else if (action == "show-label") {
+ JSONFormatter jf(true);
+ jf.open_object_section("devices");
+ for (auto& i : devs) {
+ bluestore_bdev_label_t label;
+ int r = BlueStore::_read_bdev_label(cct.get(), i, &label);
+ if (r < 0) {
+ cerr << "unable to read label for " << i << ": "
+ << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ jf.open_object_section(i.c_str());
+ label.dump(&jf);
+ jf.close_section();
+ }
+ jf.close_section();
+ jf.flush(cout);
+ }
+ else if (action == "set-label-key") {
+ bluestore_bdev_label_t label;
+ int r = BlueStore::_read_bdev_label(cct.get(), devs.front(), &label);
+ if (r < 0) {
+ cerr << "unable to read label for " << devs.front() << ": "
+ << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ label.meta[key] = value;
+ r = BlueStore::_write_bdev_label(cct.get(), devs.front(), label);
+ if (r < 0) {
+ cerr << "unable to write label for " << devs.front() << ": "
+ << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ }
+ else if (action == "rm-label-key") {
+ bluestore_bdev_label_t label;
+ int r = BlueStore::_read_bdev_label(cct.get(), devs.front(), &label);
+ if (r < 0) {
+ cerr << "unable to read label for " << devs.front() << ": "
+ << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ if (!label.meta.count(key)) {
+ cerr << "key '" << key << "' not present" << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ label.meta.erase(key);
+ r = BlueStore::_write_bdev_label(cct.get(), devs.front(), label);
+ if (r < 0) {
+ cerr << "unable to write label for " << devs.front() << ": "
+ << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ }
+ else if (action == "bluefs-bdev-sizes") {
+ BlueFS *fs = open_bluefs(cct.get(), path, devs);
+ fs->dump_block_extents(cout);
+ delete fs;
+ }
+ else if (action == "bluefs-bdev-expand") {
+ BlueFS *fs = open_bluefs(cct.get(), path, devs);
+ cout << "start:" << std::endl;
+ fs->dump_block_extents(cout);
+ for (int devid : { BlueFS::BDEV_WAL, BlueFS::BDEV_DB }) {
+ interval_set<uint64_t> before;
+ fs->get_block_extents(devid, &before);
+ uint64_t end = before.range_end();
+ uint64_t size = fs->get_block_device_size(devid);
+ if (end < size) {
+ cout << "expanding dev " << devid << " from 0x" << std::hex
+ << end << " to 0x" << size << std::dec << std::endl;
+ fs->add_block_extent(devid, end, size-end);
+ }
+ }
+ delete fs;
+ }
+ else if (action == "bluefs-export") {
+ BlueFS *fs = open_bluefs(cct.get(), path, devs);
+
+ vector<string> dirs;
+ int r = fs->readdir("", &dirs);
+ if (r < 0) {
+ cerr << "readdir in root failed: " << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ for (auto& dir : dirs) {
+ if (dir[0] == '.')
+ continue;
+ cout << dir << "/" << std::endl;
+ vector<string> ls;
+ r = fs->readdir(dir, &ls);
+ if (r < 0) {
+ cerr << "readdir " << dir << " failed: " << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ string full = out_dir + "/" + dir;
+ r = ::mkdir(full.c_str(), 0755);
+ if (r < 0) {
+ r = -errno;
+ cerr << "mkdir " << full << " failed: " << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ for (auto& file : ls) {
+ if (file[0] == '.')
+ continue;
+ cout << dir << "/" << file << std::endl;
+ uint64_t size;
+ utime_t mtime;
+ r = fs->stat(dir, file, &size, &mtime);
+ if (r < 0) {
+ cerr << "stat " << file << " failed: " << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ string path = out_dir + "/" + dir + "/" + file;
+ int fd = ::open(path.c_str(), O_CREAT|O_WRONLY|O_TRUNC, 0644);
+ if (fd < 0) {
+ r = -errno;
+ cerr << "open " << path << " failed: " << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ assert(fd >= 0);
+ if (size > 0) {
+ BlueFS::FileReader *h;
+ r = fs->open_for_read(dir, file, &h, false);
+ if (r < 0) {
+ cerr << "open_for_read " << dir << "/" << file << " failed: "
+ << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ int pos = 0;
+ int left = size;
+ while (left) {
+ bufferlist bl;
+ r = fs->read(h, &h->buf, pos, left, &bl, NULL);
+ if (r <= 0) {
+ cerr << "read " << dir << "/" << file << " from " << pos
+ << " failed: " << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ int rc = bl.write_fd(fd);
+ if (rc < 0) {
+ cerr << "write to " << path << " failed: "
+ << cpp_strerror(r) << std::endl;
+ exit(EXIT_FAILURE);
+ }
+ pos += r;
+ left -= r;
+ }
+ delete h;
+ }
+ ::close(fd);
+ }
+ }
+ fs->umount();
+ delete fs;
+ } else {
+ cerr << "unrecognized action " << action << std::endl;
+ return 1;
+ }
+
+ return 0;
+}
Code Review / stor4nfv.git / blobdiff