X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ftools%2Frbd%2Faction%2FFlatten.cc;fp=src%2Fceph%2Fsrc%2Ftools%2Frbd%2Faction%2FFlatten.cc;h=f592d8685a6a26ccbf2d242d6a525d9eacfdd08e;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/src/tools/rbd/action/Flatten.cc b/src/ceph/src/tools/rbd/action/Flatten.cc
new file mode 100644
index 0000000..f592d86
--- /dev/null
+++ b/src/ceph/src/tools/rbd/action/Flatten.cc
@@ -0,0 +1,71 @@
+// -*- 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) {
+  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 = 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