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-rw-r--r--src/tools/rbd/action/Flatten.cc74
1 files changed, 74 insertions, 0 deletions
diff --git a/src/tools/rbd/action/Flatten.cc b/src/tools/rbd/action/Flatten.cc
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+++ b/src/tools/rbd/action/Flatten.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 flatten {
+
+namespace at = argument_types;
+namespace po = boost::program_options;
+
+static int do_flatten(librbd::Image& image, bool no_progress)
+{
+ utils::ProgressContext pc("Image flatten", no_progress);
+ int r = image.flatten_with_progress(pc);
+ 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_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE);
+ 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_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;
+ }
+
+ librados::Rados rados;
+ librados::IoCtx io_ctx;
+ librbd::Image image;
+ r = utils::init_and_open_image(pool_name, namespace_name, image_name, "", "",
+ false, &rados, &io_ctx, &image);
+ if (r < 0) {
+ return r;
+ }
+
+ r = do_flatten(image, vm[at::NO_PROGRESS].as<bool>());
+ if (r < 0) {
+ std::cerr << "rbd: flatten error: " << cpp_strerror(r) << std::endl;
+ return r;
+ }
+ return 0;
+}
+
+Shell::Action action(
+ {"flatten"}, {}, "Fill clone with parent data (make it independent).", "",
+ &get_arguments, &execute);
+
+} // namespace flatten
+} // namespace action
+} // namespace rbd