1 // -*- mode:C++; tab-width:8; c-basic-offsset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 #include "tools/rbd/ArgumentTypes.h"
5 #include "tools/rbd/Shell.h"
6 #include "tools/rbd/Utils.h"
7 #include "common/errno.h"
8 #include "common/Formatter.h"
10 #include <boost/program_options.hpp>
16 namespace at = argument_types;
17 namespace po = boost::program_options;
19 int do_list_children(librbd::Image &image, Formatter *f)
21 std::set<std::pair<std::string, std::string> > children;
24 r = image.list_children(&children);
29 f->open_array_section("children");
31 for (auto &child_it : children) {
33 f->open_object_section("child");
34 f->dump_string("pool", child_it.first);
35 f->dump_string("image", child_it.second);
38 std::cout << child_it.first << "/" << child_it.second << std::endl;
50 void get_arguments(po::options_description *positional,
51 po::options_description *options) {
52 at::add_snap_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE);
53 at::add_format_options(options);
56 int execute(const po::variables_map &vm) {
58 std::string pool_name;
59 std::string image_name;
60 std::string snap_name;
61 int r = utils::get_pool_image_snapshot_names(
62 vm, at::ARGUMENT_MODIFIER_NONE, &arg_index, &pool_name, &image_name,
63 &snap_name, utils::SNAPSHOT_PRESENCE_REQUIRED, utils::SPEC_VALIDATION_NONE);
68 at::Format::Formatter formatter;
69 r = utils::get_formatter(vm, &formatter);
74 librados::Rados rados;
75 librados::IoCtx io_ctx;
77 r = utils::init_and_open_image(pool_name, image_name, "", snap_name, true,
78 &rados, &io_ctx, &image);
83 r = do_list_children(image, formatter.get());
85 std::cerr << "rbd: listing children failed: " << cpp_strerror(r)
93 {"children"}, {}, "Display children of snapshot.", "", &get_arguments,
96 } // namespace children