initial code repo

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

diff --git a/src/ceph/src/tools/rbd/action/Remove.cc b/src/ceph/src/tools/rbd/action/Remove.cc
new file mode 100644 (file)
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 <iostream>
+#include <boost/program_options.hpp>
+
+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<bool>());
+  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