initial code repo

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

diff --git a/src/ceph/src/tools/rbd/action/Create.cc b/src/ceph/src/tools/rbd/action/Create.cc
new file mode 100644 (file)
index 0000000..0f25c0f
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+++ b/src/ceph/src/tools/rbd/action/Create.cc
@@ -0,0 +1,77 @@
+// -*- 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 create {
+
+namespace at = argument_types;
+namespace po = boost::program_options;
+
+static int do_create(librbd::RBD &rbd, librados::IoCtx& io_ctx,
+                     const char *imgname, uint64_t size,
+                    librbd::ImageOptions& opts) {
+  return rbd.create4(io_ctx, imgname, size, opts);
+}
+
+void get_arguments(po::options_description *positional,
+                   po::options_description *options) {
+  at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE);
+  at::add_create_image_options(options, true);
+  at::add_size_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_FULL);
+  if (r < 0) {
+    return r;
+  }
+
+  librbd::ImageOptions opts;
+  r = utils::get_image_options(vm, true, &opts);
+  if (r < 0) {
+    return r;
+  }
+
+  uint64_t size;
+  r = utils::get_image_size(vm, &size);
+  if (r < 0) {
+    return r;
+  }
+
+  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_create(rbd, io_ctx, image_name.c_str(), size, opts);
+  if (r < 0) {
+    std::cerr << "rbd: create error: " << cpp_strerror(r) << std::endl;
+    return r;
+  }
+  return 0;
+}
+
+Shell::Action action(
+  {"create"}, {}, "Create an empty image.", at::get_long_features_help(),
+  &get_arguments, &execute);
+
+} // namespace create
+} // namespace action
+} // namespace rbd