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-rw-r--r--src/tools/rbd/action/Copy.cc195
1 files changed, 195 insertions, 0 deletions
diff --git a/src/tools/rbd/action/Copy.cc b/src/tools/rbd/action/Copy.cc
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index 000000000..9a2484371
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+++ b/src/tools/rbd/action/Copy.cc
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "tools/rbd/ArgumentTypes.h"
+#include "tools/rbd/Shell.h"
+#include "tools/rbd/Utils.h"
+#include "common/errno.h"
+#include <iostream>
+#include <boost/program_options.hpp>
+
+namespace rbd {
+namespace action {
+namespace copy {
+
+namespace at = argument_types;
+namespace po = boost::program_options;
+
+static int do_copy(librbd::Image &src, librados::IoCtx& dest_pp,
+ const char *destname, librbd::ImageOptions& opts,
+ bool no_progress,
+ size_t sparse_size)
+{
+ utils::ProgressContext pc("Image copy", no_progress);
+ int r = src.copy_with_progress4(dest_pp, destname, opts, pc, sparse_size);
+ if (r < 0){
+ pc.fail();
+ return r;
+ }
+ pc.finish();
+ return 0;
+}
+
+void get_arguments(po::options_description *positional,
+ po::options_description *options) {
+ at::add_image_or_snap_spec_options(positional, options,
+ at::ARGUMENT_MODIFIER_SOURCE);
+ at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_DEST);
+ at::add_create_image_options(options, false);
+ at::add_sparse_size_option(options);
+ at::add_no_progress_option(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_SOURCE, &arg_index, &pool_name, &namespace_name,
+ &image_name, &snap_name, true, utils::SNAPSHOT_PRESENCE_PERMITTED,
+ utils::SPEC_VALIDATION_NONE);
+ if (r < 0) {
+ return r;
+ }
+
+ std::string dst_pool_name;
+ std::string dst_namespace_name;
+ std::string dst_image_name;
+ std::string dst_snap_name;
+ r = utils::get_pool_image_snapshot_names(
+ vm, at::ARGUMENT_MODIFIER_DEST, &arg_index, &dst_pool_name,
+ &dst_namespace_name, &dst_image_name, &dst_snap_name, true,
+ utils::SNAPSHOT_PRESENCE_NONE, utils::SPEC_VALIDATION_FULL);
+ if (r < 0) {
+ return r;
+ }
+
+ librbd::ImageOptions opts;
+ r = utils::get_image_options(vm, false, &opts);
+ 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, "",
+ snap_name, true, &rados, &io_ctx, &image);
+ if (r < 0) {
+ return r;
+ }
+
+ librados::IoCtx dst_io_ctx;
+ r = utils::init_io_ctx(rados, dst_pool_name, dst_namespace_name, &dst_io_ctx);
+ if (r < 0) {
+ return r;
+ }
+
+ size_t sparse_size = utils::RBD_DEFAULT_SPARSE_SIZE;
+ if (vm.count(at::IMAGE_SPARSE_SIZE)) {
+ sparse_size = vm[at::IMAGE_SPARSE_SIZE].as<size_t>();
+ }
+ r = do_copy(image, dst_io_ctx, dst_image_name.c_str(), opts,
+ vm[at::NO_PROGRESS].as<bool>(), sparse_size);
+ if (r < 0) {
+ std::cerr << "rbd: copy failed: " << cpp_strerror(r) << std::endl;
+ return r;
+ }
+ return 0;
+}
+
+Shell::Action action(
+ {"copy"}, {"cp"}, "Copy src image to dest.", at::get_long_features_help(),
+ &get_arguments, &execute);
+
+static int do_deep_copy(librbd::Image &src, librados::IoCtx& dest_pp,
+ const char *destname, librbd::ImageOptions& opts,
+ bool no_progress)
+{
+ utils::ProgressContext pc("Image deep copy", no_progress);
+ int r = src.deep_copy_with_progress(dest_pp, destname, opts, pc);
+ if (r < 0){
+ pc.fail();
+ return r;
+ }
+ pc.finish();
+ return 0;
+}
+
+void get_arguments_deep(po::options_description *positional,
+ po::options_description *options) {
+ at::add_image_or_snap_spec_options(positional, options,
+ at::ARGUMENT_MODIFIER_SOURCE);
+ at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_DEST);
+ at::add_create_image_options(options, false);
+ at::add_flatten_option(options);
+ at::add_no_progress_option(options);
+}
+
+int execute_deep(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_SOURCE, &arg_index, &pool_name, &namespace_name,
+ &image_name, &snap_name, true, utils::SNAPSHOT_PRESENCE_PERMITTED,
+ utils::SPEC_VALIDATION_NONE);
+ if (r < 0) {
+ return r;
+ }
+
+ std::string dst_pool_name;
+ std::string dst_namespace_name;
+ std::string dst_image_name;
+ std::string dst_snap_name;
+ r = utils::get_pool_image_snapshot_names(
+ vm, at::ARGUMENT_MODIFIER_DEST, &arg_index, &dst_pool_name,
+ &dst_namespace_name, &dst_image_name, &dst_snap_name, true,
+ utils::SNAPSHOT_PRESENCE_NONE, utils::SPEC_VALIDATION_FULL);
+ if (r < 0) {
+ return r;
+ }
+
+ librbd::ImageOptions opts;
+ r = utils::get_image_options(vm, false, &opts);
+ 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, "",
+ snap_name, true, &rados, &io_ctx, &image);
+ if (r < 0) {
+ return r;
+ }
+
+ librados::IoCtx dst_io_ctx;
+ r = utils::init_io_ctx(rados, dst_pool_name, dst_namespace_name, &dst_io_ctx);
+ if (r < 0) {
+ return r;
+ }
+
+ r = do_deep_copy(image, dst_io_ctx, dst_image_name.c_str(), opts,
+ vm[at::NO_PROGRESS].as<bool>());
+ if (r < 0) {
+ std::cerr << "rbd: deep copy failed: " << cpp_strerror(r) << std::endl;
+ return r;
+ }
+ return 0;
+}
+
+Shell::Action action_deep(
+ {"deep", "copy"}, {"deep", "cp"}, "Deep copy src image to dest.",
+ at::get_long_features_help(), &get_arguments_deep, &execute_deep);
+
+} // namespace copy
+} // namespace action
+} // namespace rbd