ceph/src/tools/rbd/action/Pool.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #include "tools/rbd/ArgumentTypes.h"
   5 #include "tools/rbd/Shell.h"
   6 #include "tools/rbd/Utils.h"
   7 #include "include/stringify.h"
   8 #include "common/errno.h"
   9 #include "osd/osd_types.h"
  10 #include <iostream>
  11 #include <boost/program_options.hpp>
  12
  13 namespace rbd {
  14 namespace action {
  15 namespace pool {
  16
  17 namespace at = argument_types;
  18 namespace po = boost::program_options;
  19
  20 void get_arguments_init(po::options_description *positional,
  21                         po::options_description *options) {
  22   at::add_pool_options(positional, options);
  23   options->add_options()
  24       ("force", po::bool_switch(),
  25        "force initialize pool for RBD use if registered by another application");
  26 }
  27
  28 int execute_init(const po::variables_map &vm) {
  29   size_t arg_index = 0;
  30   std::string pool_name = utils::get_pool_name(vm, &arg_index);
  31
  32   librados::Rados rados;
  33   librados::IoCtx io_ctx;
  34   int r = utils::init(pool_name, &rados, &io_ctx);
  35   if (r < 0) {
  36     return r;
  37   }
  38
  39   r = io_ctx.application_enable(pg_pool_t::APPLICATION_NAME_RBD,
  40                                 vm["force"].as<bool>());
  41   if (r == -EOPNOTSUPP) {
  42     std::cerr << "rbd: luminous or later release required." << std::endl;
  43   } else if (r == -EPERM) {
  44     std::cerr << "rbd: pool already registered to a different application."
  45               << std::endl;
  46   } else if (r < 0) {
  47     std::cerr << "rbd: error registered application: " << cpp_strerror(r)
  48               << std::endl;
  49   }
  50
  51   return 0;
  52 }
  53
  54 Shell::Action action(
  55   {"pool", "init"}, {}, "Initialize pool for use by RBD.", "",
  56     &get_arguments_init, &execute_init);
  57
  58 } // namespace pool
  59 } // namespace action
  60 } // namespace rbd