diff options
Diffstat (limited to 'src/tools/rbd/action/Rename.cc')
-rw-r--r-- | src/tools/rbd/action/Rename.cc | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/tools/rbd/action/Rename.cc b/src/tools/rbd/action/Rename.cc new file mode 100644 index 00000000..b4954bcb --- /dev/null +++ b/src/tools/rbd/action/Rename.cc @@ -0,0 +1,94 @@ +// -*- 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, + const std::vector<std::string> &ceph_global_init_args) { + size_t arg_index = 0; + std::string pool_name; + std::string namespace_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, &namespace_name, + &image_name, &snap_name, true, 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; + std::string dst_namespace_name = namespace_name; + r = utils::get_pool_image_snapshot_names( + vm, at::ARGUMENT_MODIFIER_DEST, &arg_index, &dst_pool_name, + &dst_namespace_name, &dst_image_name, &dst_snap_name, true, + 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; + } else if (namespace_name != dst_namespace_name) { + std::cerr << "rbd: mv/rename across namespaces not supported" << std::endl + << "source namespace: " << namespace_name << " dest namespace: " + << dst_namespace_name << std::endl; + return -EINVAL; + } + + librados::Rados rados; + librados::IoCtx io_ctx; + r = utils::init(pool_name, namespace_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 |