+++ /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) 2016 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 "include/stringify.h"
-#include "common/config.h"
-#include "common/errno.h"
-#include "common/Formatter.h"
-#include "common/TextTable.h"
-#include "global/global_context.h"
-#include <iostream>
-#include <boost/program_options.hpp>
-#include <boost/regex.hpp>
-
-namespace rbd {
-namespace action {
-namespace mirror_image {
-
-namespace at = argument_types;
-namespace po = boost::program_options;
-
-namespace {
-
-int validate_mirroring_enabled(librbd::Image& image) {
- librbd::mirror_image_info_t mirror_image;
- int r = image.mirror_image_get_info(&mirror_image, sizeof(mirror_image));
- if (r < 0) {
- std::cerr << "rbd: failed to retrieve mirror mode: "
- << cpp_strerror(r) << std::endl;
- return r;
- }
-
- if (mirror_image.state != RBD_MIRROR_IMAGE_ENABLED) {
- std::cerr << "rbd: mirroring not enabled on the image" << std::endl;
- return -EINVAL;
- }
- return 0;
-}
-
-} // anonymous namespace
-
-void get_arguments(po::options_description *positional,
- po::options_description *options) {
- at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE);
-}
-
-void get_arguments_disable(po::options_description *positional,
- po::options_description *options) {
- options->add_options()
- ("force", po::bool_switch(), "disable even if not primary");
- at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE);
-}
-
-int execute_enable_disable(const po::variables_map &vm, bool enable,
- bool force) {
- 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;
- librbd::Image image;
- r = utils::init_and_open_image(pool_name, image_name, "", "", false,
- &rados, &io_ctx, &image);
- if (r < 0) {
- return r;
- }
-
- r = enable ? image.mirror_image_enable() : image.mirror_image_disable(force);
- if (r < 0) {
- return r;
- }
-
- std::cout << (enable ? "Mirroring enabled" : "Mirroring disabled")
- << std::endl;
-
- return 0;
-}
-
-int execute_disable(const po::variables_map &vm) {
- return execute_enable_disable(vm, false, vm["force"].as<bool>());
-}
-
-int execute_enable(const po::variables_map &vm) {
- return execute_enable_disable(vm, true, false);
-}
-
-void get_arguments_promote(po::options_description *positional,
- po::options_description *options) {
- options->add_options()
- ("force", po::bool_switch(), "promote even if not cleanly demoted by remote cluster");
- at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE);
-}
-
-int execute_promote(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;
- }
-
- bool force = vm["force"].as<bool>();
-
- librados::Rados rados;
- librados::IoCtx io_ctx;
- librbd::Image image;
- r = utils::init_and_open_image(pool_name, image_name, "", "", false,
- &rados, &io_ctx, &image);
- if (r < 0) {
- return r;
- }
-
- r = validate_mirroring_enabled(image);
- if (r < 0) {
- return r;
- }
-
- r = image.mirror_image_promote(force);
- if (r < 0) {
- std::cerr << "rbd: error promoting image to primary" << std::endl;
- return r;
- }
-
- std::cout << "Image promoted to primary" << std::endl;
- return 0;
-}
-
-int execute_demote(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;
- librbd::Image image;
- r = utils::init_and_open_image(pool_name, image_name, "", "", false,
- &rados, &io_ctx, &image);
- if (r < 0) {
- return r;
- }
-
- r = validate_mirroring_enabled(image);
- if (r < 0) {
- return r;
- }
-
- r = image.mirror_image_demote();
- if (r < 0) {
- std::cerr << "rbd: error demoting image to non-primary" << std::endl;
- return r;
- }
-
- std::cout << "Image demoted to non-primary" << std::endl;
- return 0;
-}
-
-int execute_resync(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;
- librbd::Image image;
- r = utils::init_and_open_image(pool_name, image_name, "", "", false,
- &rados, &io_ctx, &image);
- if (r < 0) {
- return r;
- }
-
- r = validate_mirroring_enabled(image);
- if (r < 0) {
- return r;
- }
-
- r = image.mirror_image_resync();
- if (r < 0) {
- std::cerr << "rbd: error flagging image resync" << std::endl;
- return r;
- }
-
- std::cout << "Flagged image for resync from primary" << std::endl;
- return 0;
-}
-
-void get_status_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_status(const po::variables_map &vm) {
- at::Format::Formatter formatter;
- int r = utils::get_formatter(vm, &formatter);
- if (r < 0) {
- return r;
- }
-
- size_t arg_index = 0;
- std::string pool_name;
- std::string image_name;
- std::string snap_name;
- 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;
- librbd::Image image;
- r = utils::init_and_open_image(pool_name, image_name, "", "", false,
- &rados, &io_ctx, &image);
- if (r < 0) {
- return r;
- }
-
- r = validate_mirroring_enabled(image);
- if (r < 0) {
- return r;
- }
-
- librbd::mirror_image_status_t status;
- r = image.mirror_image_get_status(&status, sizeof(status));
- if (r < 0) {
- std::cerr << "rbd: failed to get status for image " << image_name << ": "
- << cpp_strerror(r) << std::endl;
- return r;
- }
-
- std::string state = utils::mirror_image_status_state(status);
- std::string last_update = (
- status.last_update == 0 ? "" : utils::timestr(status.last_update));
-
- if (formatter != nullptr) {
- formatter->open_object_section("image");
- formatter->dump_string("name", image_name);
- formatter->dump_string("global_id", status.info.global_id);
- formatter->dump_string("state", state);
- formatter->dump_string("description", status.description);
- formatter->dump_string("last_update", last_update);
- formatter->close_section(); // image
- formatter->flush(std::cout);
- } else {
- std::cout << image_name << ":\n"
- << " global_id: " << status.info.global_id << "\n"
- << " state: " << state << "\n"
- << " description: " << status.description << "\n"
- << " last_update: " << last_update << std::endl;
- }
-
- return 0;
-}
-
-Shell::Action action_enable(
- {"mirror", "image", "enable"}, {},
- "Enable RBD mirroring for an image.", "",
- &get_arguments, &execute_enable);
-Shell::Action action_disable(
- {"mirror", "image", "disable"}, {},
- "Disable RBD mirroring for an image.", "",
- &get_arguments_disable, &execute_disable);
-Shell::Action action_promote(
- {"mirror", "image", "promote"}, {},
- "Promote an image to primary for RBD mirroring.", "",
- &get_arguments_promote, &execute_promote);
-Shell::Action action_demote(
- {"mirror", "image", "demote"}, {},
- "Demote an image to non-primary for RBD mirroring.", "",
- &get_arguments, &execute_demote);
-Shell::Action action_resync(
- {"mirror", "image", "resync"}, {},
- "Force resync to primary image for RBD mirroring.", "",
- &get_arguments, &execute_resync);
-Shell::Action action_status(
- {"mirror", "image", "status"}, {},
- "Show RDB mirroring status for an image.", "",
- &get_status_arguments, &execute_status);
-
-} // namespace mirror_image
-} // namespace action
-} // namespace rbd
Code Review / stor4nfv.git / blobdiff