initial code repo

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

diff --git a/src/ceph/src/tools/rbd/action/Rename.cc b/src/ceph/src/tools/rbd/action/Rename.cc
new file mode 100644 (file)
index 0000000..10f4bc2
--- /dev/null
+++ b/src/ceph/src/tools/rbd/action/Rename.cc
@@ -0,0 +1,84 @@
+// -*- 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 rename {
+
+namespace at = argument_types;
+namespace po = boost::program_options;
+
+static int do_rename(librbd::RBD &rbd, librados::IoCtx& io_ctx,
+                     const char *imgname, const char *destname)
+{
+  int r = rbd.rename(io_ctx, imgname, destname);
+  if (r < 0)
+    return r;
+  return 0;
+}
+
+void get_arguments(po::options_description *positional,
+                   po::options_description *options) {
+  at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_SOURCE);
+  at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_DEST);
+}
+
+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_NONE, utils::SPEC_VALIDATION_NONE);
+  if (r < 0) {
+    return r;
+  }
+
+  std::string dst_image_name;
+  std::string dst_snap_name;
+  std::string dst_pool_name = pool_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;
+  }
+
+  if (pool_name != dst_pool_name) {
+    std::cerr << "rbd: mv/rename across pools not supported" << std::endl
+              << "source pool: " << pool_name<< " dest pool: " << dst_pool_name
+              << std::endl;
+    return -EINVAL;
+  }
+
+  librados::Rados rados;
+  librados::IoCtx io_ctx;
+  r = utils::init(pool_name, &rados, &io_ctx);
+  if (r < 0) {
+    return r;
+  }
+
+  librbd::RBD rbd;
+  r = do_rename(rbd, io_ctx, image_name.c_str(), dst_image_name.c_str());
+  if (r < 0) {
+    std::cerr << "rbd: rename error: " << cpp_strerror(r) << std::endl;
+    return r;
+  }
+  return 0;
+}
+
+Shell::Action action(
+  {"rename"}, {"mv"}, "Rename image within pool.", "", &get_arguments,
+  &execute);
+
+} // namespace rename
+} // namespace action
+} // namespace rbd