initial code repo

[stor4nfv.git] / src / ceph / src / tools / rbd / action / ObjectMap.cc

diff --git a/src/ceph/src/tools/rbd/action/ObjectMap.cc b/src/ceph/src/tools/rbd/action/ObjectMap.cc
new file mode 100644 (file)
index 0000000..35e4ca0
--- /dev/null
+++ b/src/ceph/src/tools/rbd/action/ObjectMap.cc
@@ -0,0 +1,127 @@
+// -*- 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 object_map {
+
+namespace at = argument_types;
+namespace po = boost::program_options;
+
+static int do_object_map_rebuild(librbd::Image &image, bool no_progress)
+{
+  utils::ProgressContext pc("Object Map Rebuild", no_progress);
+  int r = image.rebuild_object_map(pc);
+  if (r < 0) {
+    pc.fail();
+    return r;
+  }
+  pc.finish();
+  return 0;
+}
+
+void get_rebuild_arguments(po::options_description *positional,
+                          po::options_description *options) {
+  at::add_image_or_snap_spec_options(positional, options,
+                                     at::ARGUMENT_MODIFIER_NONE);
+  at::add_no_progress_option(options);
+}
+
+int execute_rebuild(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_PERMITTED,
+    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, "", snap_name, false,
+                                 &rados, &io_ctx, &image);
+  if (r < 0) {
+    return r;
+  }
+
+  r = do_object_map_rebuild(image, vm[at::NO_PROGRESS].as<bool>());
+  if (r < 0) {
+    std::cerr << "rbd: rebuilding object map failed: " << cpp_strerror(r)
+              << std::endl;
+    return r;
+  }
+  return 0;
+}
+
+static int do_object_map_check(librbd::Image &image, bool no_progress)
+{
+  utils::ProgressContext pc("Object Map Check", no_progress);
+  int r = image.check_object_map(pc);
+  if (r < 0) {
+    pc.fail();
+    return r;
+  }
+  pc.finish();
+  return 0;
+}
+
+void get_check_arguments(po::options_description *positional,
+                  po::options_description *options) {
+  at::add_image_or_snap_spec_options(positional, options,
+                                    at::ARGUMENT_MODIFIER_NONE);
+  at::add_no_progress_option(options);
+}
+
+int execute_check(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_PERMITTED,
+    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, "", snap_name, false,
+                                &rados, &io_ctx, &image);
+  if (r < 0) {
+    return r;
+  }
+
+  r = do_object_map_check(image, vm[at::NO_PROGRESS].as<bool>());
+  if (r < 0) {
+    std::cerr << "rbd: checking object map failed: " << cpp_strerror(r)
+             << std::endl;
+    return r;
+  }
+  return 0;
+}
+
+Shell::Action action_rebuild(
+  {"object-map", "rebuild"}, {}, "Rebuild an invalid object map.", "",
+  &get_rebuild_arguments, &execute_rebuild);
+Shell::Action action_check(
+  {"object-map", "check"}, {}, "Verify the object map is correct.", "",
+  &get_check_arguments, &execute_check);
+
+} // namespace object_map
+} // namespace action
+} // namespace rbd