X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ftools%2Frbd%2Faction%2FRemove.cc;fp=src%2Fceph%2Fsrc%2Ftools%2Frbd%2Faction%2FRemove.cc;h=10e601499f70ec3f215f1426542eb1a874eb0ab7;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git diff --git a/src/ceph/src/tools/rbd/action/Remove.cc b/src/ceph/src/tools/rbd/action/Remove.cc new file mode 100644 index 0000000..10e6014 --- /dev/null +++ b/src/ceph/src/tools/rbd/action/Remove.cc @@ -0,0 +1,86 @@ +// -*- 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 +#include + +namespace rbd { +namespace action { +namespace remove { + +namespace at = argument_types; +namespace po = boost::program_options; + +static int do_delete(librbd::RBD &rbd, librados::IoCtx& io_ctx, + const char *imgname, bool no_progress) +{ + utils::ProgressContext pc("Removing image", no_progress); + int r = rbd.remove_with_progress(io_ctx, imgname, pc); + if (r < 0) { + pc.fail(); + return r; + } + pc.finish(); + return 0; +} + +void get_arguments(po::options_description *positional, + po::options_description *options) { + at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE); + at::add_no_progress_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_NONE); + 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; + } + + io_ctx.set_osdmap_full_try(); + + librbd::RBD rbd; + r = do_delete(rbd, io_ctx, image_name.c_str(), + vm[at::NO_PROGRESS].as()); + if (r < 0) { + if (r == -ENOTEMPTY) { + std::cerr << "rbd: image has snapshots - these must be deleted" + << " with 'rbd snap purge' before the image can be removed." + << std::endl; + } else if (r == -EBUSY) { + std::cerr << "rbd: error: image still has watchers" + << std::endl + << "This means the image is still open or the client using " + << "it crashed. Try again after closing/unmapping it or " + << "waiting 30s for the crashed client to timeout." + << std::endl; + } else { + std::cerr << "rbd: delete error: " << cpp_strerror(r) << std::endl; + } + return r ; + } + return 0; +} + +Shell::Action action( + {"remove"}, {"rm"}, "Delete an image.", "", &get_arguments, &execute); + +} // namespace remove +} // namespace action +} // namespace rbd