diff options
Diffstat (limited to 'src/tools/rbd/action/Status.cc')
| -rw-r--r-- | src/tools/rbd/action/Status.cc | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/src/tools/rbd/action/Status.cc b/src/tools/rbd/action/Status.cc new file mode 100644 index 000000000..958a686c4 --- /dev/null +++ b/src/tools/rbd/action/Status.cc @@ -0,0 +1,365 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include "common/errno.h" +#include "common/Formatter.h" +#include "json_spirit/json_spirit.h" +#include "tools/rbd/ArgumentTypes.h" +#include "tools/rbd/Shell.h" +#include "tools/rbd/Utils.h" +#include "include/rbd_types.h" +#include "include/stringify.h" +#include "librbd/cache/Types.h" +#include <iostream> +#include <boost/program_options.hpp> + +namespace rbd { +namespace action { +namespace status { + +namespace at = argument_types; +namespace po = boost::program_options; + +static int do_show_status(librados::IoCtx& io_ctx, const std::string &image_name, + librbd::Image &image, Formatter *f) +{ + int r; + std::list<librbd::image_watcher_t> watchers; + + r = image.list_watchers(watchers); + if (r < 0) + return r; + + uint64_t features; + r = image.features(&features); + if (r < 0) { + return r; + } + + librbd::image_migration_status_t migration_status; + std::string source_spec; + std::string source_pool_name; + std::string dest_pool_name; + std::string migration_state; + if ((features & RBD_FEATURE_MIGRATING) != 0) { + r = librbd::RBD().migration_status(io_ctx, image_name.c_str(), + &migration_status, + sizeof(migration_status)); + if (r < 0) { + std::cerr << "rbd: getting migration status failed: " << cpp_strerror(r) + << std::endl; + // not fatal + } else { + if (migration_status.source_pool_id >= 0) { + librados::IoCtx src_io_ctx; + r = librados::Rados(io_ctx).ioctx_create2(migration_status.source_pool_id, src_io_ctx); + if (r < 0) { + source_pool_name = stringify(migration_status.source_pool_id); + } else { + source_pool_name = src_io_ctx.get_pool_name(); + } + } else { + r = image.get_migration_source_spec(&source_spec); + if (r < 0) { + std::cerr << "rbd: getting migration source spec failed: " + << cpp_strerror(r) << std::endl; + } + } + + librados::IoCtx dst_io_ctx; + r = librados::Rados(io_ctx).ioctx_create2(migration_status.dest_pool_id, dst_io_ctx); + if (r < 0) { + dest_pool_name = stringify(migration_status.dest_pool_id); + } else { + dest_pool_name = dst_io_ctx.get_pool_name(); + } + + switch (migration_status.state) { + case RBD_IMAGE_MIGRATION_STATE_ERROR: + migration_state = "error"; + break; + case RBD_IMAGE_MIGRATION_STATE_PREPARING: + migration_state = "preparing"; + break; + case RBD_IMAGE_MIGRATION_STATE_PREPARED: + migration_state = "prepared"; + break; + case RBD_IMAGE_MIGRATION_STATE_EXECUTING: + migration_state = "executing"; + break; + case RBD_IMAGE_MIGRATION_STATE_EXECUTED: + migration_state = "executed"; + break; + case RBD_IMAGE_MIGRATION_STATE_ABORTING: + migration_state = "aborting"; + break; + default: + migration_state = "unknown"; + } + } + } + + struct { + // decoded + std::string host; + std::string path; + uint64_t size; + std::string mode; + std::string stats_timestamp; + bool present; + bool empty; + bool clean; + uint64_t allocated_bytes; + uint64_t cached_bytes; + uint64_t dirty_bytes; + uint64_t free_bytes; + uint64_t hits_full; + uint64_t hits_partial; + uint64_t misses; + uint64_t hit_bytes; + uint64_t miss_bytes; + + // calculated + uint64_t total_read_ops; + uint64_t total_read_bytes; + int hits_full_percent; + int hits_partial_percent; + int hit_bytes_percent; + } cache_state; + std::string cache_str; + if (features & RBD_FEATURE_DIRTY_CACHE) { + r = image.metadata_get(librbd::cache::PERSISTENT_CACHE_STATE, &cache_str); + if (r < 0) { + std::cerr << "rbd: getting persistent cache state failed: " << cpp_strerror(r) + << std::endl; + // not fatal + } + json_spirit::mValue json_root; + if (!json_spirit::read(cache_str.c_str(), json_root)) { + std::cerr << "rbd: parsing persistent cache state failed" << std::endl; + cache_str.clear(); + } else { + try { + auto& o = json_root.get_obj(); + cache_state.host = o["host"].get_str(); + cache_state.path = o["path"].get_str(); + cache_state.size = o["size"].get_uint64(); + cache_state.mode = o["mode"].get_str(); + time_t stats_timestamp_sec = o["stats_timestamp"].get_uint64(); + cache_state.stats_timestamp = ctime(&stats_timestamp_sec); + cache_state.stats_timestamp.pop_back(); + cache_state.present = o["present"].get_bool(); + cache_state.empty = o["empty"].get_bool(); + cache_state.clean = o["clean"].get_bool(); + cache_state.allocated_bytes = o["allocated_bytes"].get_uint64(); + cache_state.cached_bytes = o["cached_bytes"].get_uint64(); + cache_state.dirty_bytes = o["dirty_bytes"].get_uint64(); + cache_state.free_bytes = o["free_bytes"].get_uint64(); + cache_state.hits_full = o["hits_full"].get_uint64(); + cache_state.hits_partial = o["hits_partial"].get_uint64(); + cache_state.misses = o["misses"].get_uint64(); + cache_state.hit_bytes = o["hit_bytes"].get_uint64(); + cache_state.miss_bytes = o["miss_bytes"].get_uint64(); + } catch (std::runtime_error &e) { + std::cerr << "rbd: parsing persistent cache state failed: " << e.what() + << std::endl; + cache_str.clear(); + } + cache_state.total_read_ops = cache_state.hits_full + + cache_state.hits_partial + cache_state.misses; + cache_state.total_read_bytes = cache_state.hit_bytes + + cache_state.miss_bytes; + cache_state.hits_full_percent = utils::get_percentage( + cache_state.hits_full, cache_state.total_read_ops); + cache_state.hits_partial_percent = utils::get_percentage( + cache_state.hits_partial, cache_state.total_read_ops); + cache_state.hit_bytes_percent = utils::get_percentage( + cache_state.hit_bytes, cache_state.total_read_bytes); + } + } + + if (f) + f->open_object_section("status"); + + if (f) { + f->open_array_section("watchers"); + for (auto &watcher : watchers) { + f->open_object_section("watcher"); + f->dump_string("address", watcher.addr); + f->dump_unsigned("client", watcher.id); + f->dump_unsigned("cookie", watcher.cookie); + f->close_section(); + } + f->close_section(); // watchers + if (!migration_state.empty()) { + f->open_object_section("migration"); + if (!source_spec.empty()) { + f->dump_string("source_spec", source_spec); + } else { + f->dump_string("source_pool_name", source_pool_name); + f->dump_string("source_pool_namespace", + migration_status.source_pool_namespace); + f->dump_string("source_image_name", migration_status.source_image_name); + f->dump_string("source_image_id", migration_status.source_image_id); + } + f->dump_string("dest_pool_name", dest_pool_name); + f->dump_string("dest_pool_namespace", + migration_status.dest_pool_namespace); + f->dump_string("dest_image_name", migration_status.dest_image_name); + f->dump_string("dest_image_id", migration_status.dest_image_id); + f->dump_string("state", migration_state); + f->dump_string("state_description", migration_status.state_description); + f->close_section(); // migration + } + if (!cache_str.empty()) { + f->open_object_section("persistent_cache"); + f->dump_string("host", cache_state.host); + f->dump_string("path", cache_state.path); + f->dump_unsigned("size", cache_state.size); + f->dump_string("mode", cache_state.mode); + f->dump_string("stats_timestamp", cache_state.stats_timestamp); + f->dump_bool("present", cache_state.present); + f->dump_bool("empty", cache_state.empty); + f->dump_bool("clean", cache_state.clean); + f->dump_unsigned("allocated_bytes", cache_state.allocated_bytes); + f->dump_unsigned("cached_bytes", cache_state.cached_bytes); + f->dump_unsigned("dirty_bytes", cache_state.dirty_bytes); + f->dump_unsigned("free_bytes", cache_state.free_bytes); + f->dump_unsigned("hits_full", cache_state.hits_full); + f->dump_int("hits_full_percent", cache_state.hits_full_percent); + f->dump_unsigned("hits_partial", cache_state.hits_partial); + f->dump_int("hits_partial_percent", cache_state.hits_partial_percent); + f->dump_unsigned("misses", cache_state.misses); + f->dump_unsigned("hit_bytes", cache_state.hit_bytes); + f->dump_int("hit_bytes_percent", cache_state.hit_bytes_percent); + f->dump_unsigned("miss_bytes", cache_state.miss_bytes); + f->close_section(); // persistent_cache + } + } else { + if (watchers.size()) { + std::cout << "Watchers:" << std::endl; + for (auto &watcher : watchers) { + std::cout << "\twatcher=" << watcher.addr << " client." << watcher.id + << " cookie=" << watcher.cookie << std::endl; + } + } else { + std::cout << "Watchers: none" << std::endl; + } + if (!migration_state.empty()) { + if (!migration_status.source_pool_namespace.empty()) { + source_pool_name += ("/" + migration_status.source_pool_namespace); + } + if (!migration_status.dest_pool_namespace.empty()) { + dest_pool_name += ("/" + migration_status.dest_pool_namespace); + } + + std::cout << "Migration:" << std::endl; + std::cout << "\tsource: "; + if (!source_spec.empty()) { + std::cout << source_spec; + } else { + std::cout << source_pool_name << "/" + << migration_status.source_image_name; + if (!migration_status.source_image_id.empty()) { + std::cout << " (" << migration_status.source_image_id << ")"; + } + } + std::cout << std::endl; + std::cout << "\tdestination: " << dest_pool_name << "/" + << migration_status.dest_image_name << " (" + << migration_status.dest_image_id << ")" << std::endl; + std::cout << "\tstate: " << migration_state; + if (!migration_status.state_description.empty()) { + std::cout << " (" << migration_status.state_description << ")"; + } + std::cout << std::endl; + } + if (!cache_str.empty()) { + std::cout << "Persistent cache state:" << std::endl; + std::cout << "\thost: " << cache_state.host << std::endl; + std::cout << "\tpath: " << cache_state.path << std::endl; + std::cout << "\tsize: " << byte_u_t(cache_state.size) << std::endl; + std::cout << "\tmode: " << cache_state.mode << std::endl; + std::cout << "\tstats_timestamp: " << cache_state.stats_timestamp + << std::endl; + std::cout << "\tpresent: " << (cache_state.present ? "true" : "false") + << "\tempty: " << (cache_state.empty ? "true" : "false") + << "\tclean: " << (cache_state.clean ? "true" : "false") + << std::endl; + std::cout << "\tallocated: " << byte_u_t(cache_state.allocated_bytes) + << std::endl; + std::cout << "\tcached: " << byte_u_t(cache_state.cached_bytes) + << std::endl; + std::cout << "\tdirty: " << byte_u_t(cache_state.dirty_bytes) << std::endl; + std::cout << "\tfree: " << byte_u_t(cache_state.free_bytes) << std::endl; + std::cout << "\thits_full: " << cache_state.hits_full << " / " + << cache_state.hits_full_percent << "%" << std::endl; + std::cout << "\thits_partial: " << cache_state.hits_partial << " / " + << cache_state.hits_partial_percent << "%" << std::endl; + std::cout << "\tmisses: " << cache_state.misses << std::endl; + std::cout << "\thit_bytes: " << byte_u_t(cache_state.hit_bytes) << " / " + << cache_state.hit_bytes_percent << "%" << std::endl; + std::cout << "\tmiss_bytes: " << byte_u_t(cache_state.miss_bytes) + << std::endl; + } + } + + if (f) { + f->close_section(); // status + f->flush(std::cout); + } + + return 0; +} + +void get_arguments(po::options_description *positional, + po::options_description *options) { + at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE); + at::add_format_options(options); +} + +int execute(const po::variables_map &vm, + const std::vector<std::string> &ceph_global_init_args) { + size_t arg_index = 0; + std::string pool_name; + std::string namespace_name; + std::string image_name; + std::string snap_name; + int r = utils::get_pool_image_snapshot_names( + vm, at::ARGUMENT_MODIFIER_NONE, &arg_index, &pool_name, &namespace_name, + &image_name, &snap_name, true, utils::SNAPSHOT_PRESENCE_NONE, + utils::SPEC_VALIDATION_NONE); + if (r < 0) { + return r; + } + + at::Format::Formatter formatter; + r = utils::get_formatter(vm, &formatter); + if (r < 0) { + return r; + } + + librados::Rados rados; + librados::IoCtx io_ctx; + librbd::Image image; + r = utils::init_and_open_image(pool_name, namespace_name, image_name, "", "", + true, &rados, &io_ctx, &image); + if (r < 0) { + return r; + } + + r = do_show_status(io_ctx, image_name, image, formatter.get()); + if (r < 0) { + std::cerr << "rbd: show status failed: " << cpp_strerror(r) << std::endl; + return r; + } + return 0; +} + +Shell::Action action( + {"status"}, {}, "Show the status of this image.", "", &get_arguments, + &execute); + +} // namespace status +} // namespace action +} // namespace rbd |