+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2017 SUSE LINUX GmbH
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation. See file COPYING.
- *
- */
-
-#include "tools/rbd/ArgumentTypes.h"
-#include "tools/rbd/Shell.h"
-#include "tools/rbd/Utils.h"
-#include "common/errno.h"
-#include "include/stringify.h"
-#include "common/Formatter.h"
-#include "common/TextTable.h"
-#include "common/Clock.h"
-#include <iostream>
-#include <sstream>
-#include <boost/program_options.hpp>
-
-namespace rbd {
-namespace action {
-namespace trash {
-
-namespace at = argument_types;
-namespace po = boost::program_options;
-
-
-void get_move_arguments(po::options_description *positional,
- po::options_description *options) {
- at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE);
- options->add_options()
- (at::DELAY.c_str(), po::value<uint64_t>(),
- "time delay in seconds until effectively remove the image");
-}
-
-int execute_move(const po::variables_map &vm) {
- size_t arg_index = 0;
- std::string pool_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, &image_name,
- &snap_name, utils::SNAPSHOT_PRESENCE_NONE, utils::SPEC_VALIDATION_NONE);
- if (r < 0) {
- return r;
- }
-
- librados::Rados rados;
- librados::IoCtx io_ctx;
- r = utils::init(pool_name, &rados, &io_ctx);
- if (r < 0) {
- return r;
- }
-
- uint64_t delay = 0;
- if (vm.find(at::DELAY) != vm.end()) {
- delay = vm[at::DELAY].as<uint64_t>();
- }
-
- librbd::RBD rbd;
- r = rbd.trash_move(io_ctx, image_name.c_str(), delay);
- if (r < 0) {
- std::cerr << "rbd: deferred delete error: " << cpp_strerror(r)
- << std::endl;
- }
-
- return r;
-
-}
-
-void get_remove_arguments(po::options_description *positional,
- po::options_description *options) {
- positional->add_options()
- (at::IMAGE_ID.c_str(), "image id\n(example: [<pool-name>/]<image-id>)");
- at::add_pool_option(options, at::ARGUMENT_MODIFIER_NONE);
- at::add_image_id_option(options);
-
- at::add_no_progress_option(options);
- options->add_options()
- ("force", po::bool_switch(), "force remove of non-expired delayed images");
-}
-
-int execute_remove(const po::variables_map &vm) {
- size_t arg_index = 0;
- std::string pool_name;
- std::string image_id;
- int r = utils::get_pool_image_id(vm, &arg_index, &pool_name, &image_id);
- if (r < 0) {
- return r;
- }
-
- librados::Rados rados;
- librados::IoCtx io_ctx;
- r = utils::init(pool_name, &rados, &io_ctx);
- if (r < 0) {
- return r;
- }
-
- librbd::RBD rbd;
-
- utils::ProgressContext pc("Removing image", vm[at::NO_PROGRESS].as<bool>());
- r = rbd.trash_remove_with_progress(io_ctx, image_id.c_str(),
- vm["force"].as<bool>(), pc);
- if (r < 0) {
- if (r == -ENOTEMPTY) {
- std::cerr << "rbd: image has snapshots - these must be deleted"
- << " with 'rbd snap purge' before the image can be removed."
- << std::endl;
- } else if (r == -EBUSY) {
- std::cerr << "rbd: error: image still has watchers"
- << std::endl
- << "This means the image is still open or the client using "
- << "it crashed. Try again after closing/unmapping it or "
- << "waiting 30s for the crashed client to timeout."
- << std::endl;
- } else if (r == -EMLINK) {
- std::cerr << std::endl
- << "Remove the image from the consistency group and try again."
- << std::endl;
- } else if (r == -EPERM) {
- std::cerr << std::endl
- << "Deferment time has not expired, please use --force if you "
- << "really want to remove the image"
- << std::endl;
- } else {
- std::cerr << "rbd: remove error: " << cpp_strerror(r) << std::endl;
- }
- pc.fail();
- return r;
- }
-
- pc.finish();
-
- return r;
-}
-
-std::string delete_status(time_t deferment_end_time) {
- time_t now = ceph_clock_gettime();
-
- std::string time_str = ctime(&deferment_end_time);
- time_str = time_str.substr(0, time_str.length() - 1);
-
- std::stringstream ss;
- if (now < deferment_end_time) {
- ss << "protected until " << time_str;
- }
-
- return ss.str();
-}
-
-int do_list(librbd::RBD &rbd, librados::IoCtx& io_ctx, bool long_flag,
- bool all_flag, Formatter *f) {
- std::vector<librbd::trash_image_info_t> trash_entries;
- int r = rbd.trash_list(io_ctx, trash_entries);
- if (r < 0) {
- return r;
- }
-
- if (!long_flag) {
- if (f) {
- f->open_array_section("trash");
- }
- for (const auto& entry : trash_entries) {
- if (!all_flag &&
- entry.source == RBD_TRASH_IMAGE_SOURCE_MIRRORING) {
- continue;
- }
- if (f) {
- f->dump_string("id", entry.id);
- f->dump_string("name", entry.name);
- } else {
- std::cout << entry.id << " " << entry.name << std::endl;
- }
- }
- if (f) {
- f->close_section();
- f->flush(std::cout);
- }
- return 0;
- }
-
- TextTable tbl;
-
- if (f) {
- f->open_array_section("trash");
- } else {
- tbl.define_column("ID", TextTable::LEFT, TextTable::LEFT);
- tbl.define_column("NAME", TextTable::LEFT, TextTable::LEFT);
- tbl.define_column("SOURCE", TextTable::LEFT, TextTable::LEFT);
- tbl.define_column("DELETED_AT", TextTable::LEFT, TextTable::LEFT);
- tbl.define_column("STATUS", TextTable::LEFT, TextTable::LEFT);
- }
-
- for (const auto& entry : trash_entries) {
- if (!all_flag &&
- entry.source == RBD_TRASH_IMAGE_SOURCE_MIRRORING) {
- continue;
- }
- librbd::Image im;
-
- r = rbd.open_by_id_read_only(io_ctx, im, entry.id.c_str(), NULL);
- // image might disappear between rbd.list() and rbd.open(); ignore
- // that, warn about other possible errors (EPERM, say, for opening
- // an old-format image, because you need execute permission for the
- // class method)
- if (r < 0) {
- if (r != -ENOENT) {
- std::cerr << "rbd: error opening " << entry.id << ": "
- << cpp_strerror(r) << std::endl;
- }
- // in any event, continue to next image
- continue;
- }
-
- std::string del_source;
- switch (entry.source) {
- case RBD_TRASH_IMAGE_SOURCE_USER:
- del_source = "USER";
- break;
- case RBD_TRASH_IMAGE_SOURCE_MIRRORING:
- del_source = "MIRRORING";
- break;
- }
-
- std::string time_str = ctime(&entry.deletion_time);
- time_str = time_str.substr(0, time_str.length() - 1);
-
- if (f) {
- f->open_object_section("image");
- f->dump_string("id", entry.id);
- f->dump_string("name", entry.name);
- f->dump_string("source", del_source);
- f->dump_string("deleted_at", time_str);
- f->dump_string("status",
- delete_status(entry.deferment_end_time));
- f->close_section();
- } else {
- tbl << entry.id
- << entry.name
- << del_source
- << time_str
- << delete_status(entry.deferment_end_time)
- << TextTable::endrow;
- }
- }
-
- if (f) {
- f->close_section();
- f->flush(std::cout);
- } else if (!trash_entries.empty()) {
- std::cout << tbl;
- }
-
- return r < 0 ? r : 0;
-}
-
-void get_list_arguments(po::options_description *positional,
- po::options_description *options) {
- at::add_pool_options(positional, options);
- options->add_options()
- ("all,a", po::bool_switch(), "list images from all sources");
- options->add_options()
- ("long,l", po::bool_switch(), "long listing format");
- at::add_format_options(options);
-}
-
-int execute_list(const po::variables_map &vm) {
- size_t arg_index = 0;
- std::string pool_name = utils::get_pool_name(vm, &arg_index);
-
- at::Format::Formatter formatter;
- int r = utils::get_formatter(vm, &formatter);
- if (r < 0) {
- return r;
- }
-
- librados::Rados rados;
- librados::IoCtx io_ctx;
- r = utils::init(pool_name, &rados, &io_ctx);
- if (r < 0) {
- return r;
- }
-
- librbd::RBD rbd;
- r = do_list(rbd, io_ctx, vm["long"].as<bool>(), vm["all"].as<bool>(),
- formatter.get());
- if (r < 0) {
- std::cerr << "rbd: trash list: " << cpp_strerror(r) << std::endl;
- return r;
- }
-
- return 0;
-}
-
-void get_restore_arguments(po::options_description *positional,
- po::options_description *options) {
- positional->add_options()
- (at::IMAGE_ID.c_str(), "image id\n(example: [<pool-name>/]<image-id>)");
- at::add_pool_option(options, at::ARGUMENT_MODIFIER_NONE);
- at::add_image_id_option(options);
- at::add_image_option(options, at::ARGUMENT_MODIFIER_NONE, "");
-}
-
-int execute_restore(const po::variables_map &vm) {
- size_t arg_index = 0;
- std::string pool_name;
- std::string image_id;
- int r = utils::get_pool_image_id(vm, &arg_index, &pool_name, &image_id);
- if (r < 0) {
- return r;
- }
-
- librados::Rados rados;
- librados::IoCtx io_ctx;
- r = utils::init(pool_name, &rados, &io_ctx);
- if (r < 0) {
- return r;
- }
-
- std::string name;
- if (vm.find(at::IMAGE_NAME) != vm.end()) {
- name = vm[at::IMAGE_NAME].as<std::string>();
- }
-
- librbd::RBD rbd;
- r = rbd.trash_restore(io_ctx, image_id.c_str(), name.c_str());
- if (r < 0) {
- if (r == -ENOENT) {
- std::cerr << "rbd: error: image does not exist in trash"
- << std::endl;
- } else if (r == -EEXIST) {
- std::cerr << "rbd: error: an image with the same name already exists, "
- << "try again with with a different name"
- << std::endl;
- } else {
- std::cerr << "rbd: restore error: " << cpp_strerror(r) << std::endl;
- }
- return r;
- }
-
- return r;
-}
-
-
-Shell::Action action_move(
- {"trash", "move"}, {"trash", "mv"}, "Move an image to the trash.", "",
- &get_move_arguments, &execute_move);
-
-Shell::Action action_remove(
- {"trash", "remove"}, {"trash", "rm"}, "Remove an image from trash.", "",
- &get_remove_arguments, &execute_remove);
-
-Shell::SwitchArguments switched_arguments({"long", "l"});
-Shell::Action action_list(
- {"trash", "list"}, {"trash", "ls"}, "List trash images.", "",
- &get_list_arguments, &execute_list);
-
-Shell::Action action_restore(
- {"trash", "restore"}, {}, "Restore an image from trash.", "",
- &get_restore_arguments, &execute_restore);
-
-} // namespace trash
-} // namespace action
-} // namespace rbd
Code Review / stor4nfv.git / blobdiff