--- /dev/null
+// -*- 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 clone {
+
+namespace at = argument_types;
+namespace po = boost::program_options;
+
+int do_clone(librbd::RBD &rbd, librados::IoCtx &p_ioctx,
+ const char *p_name, const char *p_snapname,
+ librados::IoCtx &c_ioctx, const char *c_name,
+ librbd::ImageOptions& opts) {
+ return rbd.clone3(p_ioctx, p_name, p_snapname, c_ioctx, c_name, opts);
+}
+
+void get_arguments(po::options_description *positional,
+ po::options_description *options) {
+ at::add_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);
+}
+
+int execute(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_SOURCE, &arg_index, &pool_name, &image_name,
+ &snap_name, utils::SNAPSHOT_PRESENCE_REQUIRED, utils::SPEC_VALIDATION_NONE);
+ if (r < 0) {
+ return r;
+ }
+
+ std::string dst_pool_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_image_name,
+ &dst_snap_name, 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;
+ }
+ opts.set(RBD_IMAGE_OPTION_FORMAT, static_cast<uint64_t>(2));
+
+ librados::Rados rados;
+ librados::IoCtx io_ctx;
+ r = utils::init(pool_name, &rados, &io_ctx);
+ if (r < 0) {
+ return r;
+ }
+
+ librados::IoCtx dst_io_ctx;
+ r = utils::init_io_ctx(rados, dst_pool_name, &dst_io_ctx);
+ if (r < 0) {
+ return r;
+ }
+
+ librbd::RBD rbd;
+ r = do_clone(rbd, io_ctx, image_name.c_str(), snap_name.c_str(), dst_io_ctx,
+ dst_image_name.c_str(), opts);
+ if (r < 0) {
+ std::cerr << "rbd: clone error: " << cpp_strerror(r) << std::endl;
+ return r;
+ }
+ return 0;
+}
+
+Shell::Action action(
+ {"clone"}, {}, "Clone a snapshot into a COW child image.",
+ at::get_long_features_help(), &get_arguments, &execute);
+
+} // namespace clone
+} // namespace action
+} // namespace rbd