Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 162 insertions, 0 deletions

diff --git a/src/tools/rbd/action/Pool.cc b/src/tools/rbd/action/Pool.cc
new file mode 100644
index 000000000..2ad8e17ff
--- /dev/null
+++ b/src/tools/rbd/action/Pool.cc
@@ -0,0 +1,162 @@
+// -*- 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 "include/stringify.h"
+#include "common/errno.h"
+#include "common/Formatter.h"
+#include <iostream>
+#include <boost/program_options.hpp>
+
+namespace rbd {
+namespace action {
+namespace pool {
+
+namespace at = argument_types;
+namespace po = boost::program_options;
+
+void get_arguments_init(po::options_description *positional,
+                        po::options_description *options) {
+  at::add_pool_options(positional, options, false);
+  options->add_options()
+      ("force", po::bool_switch(),
+       "force initialize pool for RBD use if registered by another application");
+}
+
+int execute_init(const po::variables_map &vm,
+                 const std::vector<std::string> &ceph_global_init_args) {
+  std::string pool_name;
+  size_t arg_index = 0;
+  int r = utils::get_pool_and_namespace_names(vm, false, &pool_name,
+                                              nullptr, &arg_index);
+  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 = rbd.pool_init(io_ctx, vm["force"].as<bool>());
+  if (r == -EOPNOTSUPP) {
+    std::cerr << "rbd: luminous or later release required." << std::endl;
+  } else if (r == -EPERM) {
+    std::cerr << "rbd: pool already registered to a different application."
+              << std::endl;
+  } else if (r < 0) {
+    std::cerr << "rbd: error registered application: " << cpp_strerror(r)
+              << std::endl;
+  }
+
+  return 0;
+}
+
+void get_arguments_stats(po::options_description *positional,
+                         po::options_description *options) {
+  at::add_pool_options(positional, options, true);
+  at::add_format_options(options);
+}
+
+int execute_stats(const po::variables_map &vm,
+                  const std::vector<std::string> &ceph_global_init_args) {
+  std::string pool_name;
+  std::string namespace_name;
+  size_t arg_index = 0;
+  int r = utils::get_pool_and_namespace_names(vm, false, &pool_name,
+                                              &namespace_name, &arg_index);
+  if (r < 0) {
+    return r;
+  }
+
+  at::Format::Formatter formatter;
+  r = utils::get_formatter(vm, &formatter);
+  if (r < 0) {
+    return r;
+  }
+
+  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;
+  uint64_t image_count;
+  uint64_t provisioned_bytes;
+  uint64_t snap_count;
+  uint64_t trash_count;
+  uint64_t trash_provisioned_bytes;
+  uint64_t trash_snap_count;
+
+  librbd::PoolStats pool_stats;
+  pool_stats.add(RBD_POOL_STAT_OPTION_IMAGES, &image_count);
+  pool_stats.add(RBD_POOL_STAT_OPTION_IMAGE_MAX_PROVISIONED_BYTES,
+                 &provisioned_bytes);
+  pool_stats.add(RBD_POOL_STAT_OPTION_IMAGE_SNAPSHOTS, &snap_count);
+  pool_stats.add(RBD_POOL_STAT_OPTION_TRASH_IMAGES, &trash_count);
+  pool_stats.add(RBD_POOL_STAT_OPTION_TRASH_MAX_PROVISIONED_BYTES,
+                 &trash_provisioned_bytes);
+  pool_stats.add(RBD_POOL_STAT_OPTION_TRASH_SNAPSHOTS, &trash_snap_count);
+
+  r = rbd.pool_stats_get(io_ctx, &pool_stats);
+  if (r < 0) {
+    std::cerr << "rbd: failed to query pool stats: " << cpp_strerror(r)
+              << std::endl;
+    return r;
+  }
+
+  if (formatter) {
+    formatter->open_object_section("stats");
+    formatter->open_object_section("images");
+    formatter->dump_unsigned("count", image_count);
+    formatter->dump_unsigned("provisioned_bytes", provisioned_bytes);
+    formatter->dump_unsigned("snap_count", snap_count);
+    formatter->close_section();
+    formatter->open_object_section("trash");
+    formatter->dump_unsigned("count", trash_count);
+    formatter->dump_unsigned("provisioned_bytes", trash_provisioned_bytes);
+    formatter->dump_unsigned("snap_count", trash_snap_count);
+    formatter->close_section();
+    formatter->close_section();
+    formatter->flush(std::cout);
+  } else {
+    std::cout << "Total Images: " << image_count;
+    if (trash_count > 0) {
+      std::cout << " (" << trash_count << " in trash)";
+    }
+    std::cout << std::endl;
+
+    std::cout << "Total Snapshots: " << snap_count;
+    if (trash_count > 0) {
+      std::cout << " (" << trash_snap_count << " in trash)";
+    }
+    std::cout << std::endl;
+
+    std::cout << "Provisioned Size: " << byte_u_t(provisioned_bytes);
+    if (trash_count > 0) {
+      std::cout << " (" << byte_u_t(trash_provisioned_bytes) << " in trash)";
+    }
+    std::cout << std::endl;
+  }
+
+  return 0;
+}
+
+Shell::Action init_action(
+  {"pool", "init"}, {}, "Initialize pool for use by RBD.", "",
+  &get_arguments_init, &execute_init);
+Shell::Action stat_action(
+  {"pool", "stats"}, {}, "Display pool statistics.",
+  "Note: legacy v1 images are not included in stats",
+  &get_arguments_stats, &execute_stats);
+
+} // namespace pool
+} // namespace action
+} // namespace rbd