+++ /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