1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
// -*- 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 <iostream>
#include <map>
#include <boost/program_options.hpp>
namespace rbd {
namespace action {
namespace feature {
namespace at = argument_types;
namespace po = boost::program_options;
void get_arguments(po::options_description *positional,
po::options_description *options, bool enabled) {
at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE);
positional->add_options()
("features", po::value<at::ImageFeatures>()->multitoken(),
("image features\n" + at::get_short_features_help(false)).c_str());
if (enabled) {
at::add_create_journal_options(options);
}
}
void get_arguments_disable(po::options_description *positional,
po::options_description *options) {
get_arguments(positional, options, false);
}
void get_arguments_enable(po::options_description *positional,
po::options_description *options) {
get_arguments(positional, options, true);
}
int execute(const po::variables_map &vm, bool enabled) {
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_NONE, &arg_index, &pool_name, &namespace_name,
&image_name, &snap_name, true, utils::SNAPSHOT_PRESENCE_NONE,
utils::SPEC_VALIDATION_NONE);
if (r < 0) {
return r;
}
librbd::ImageOptions opts;
r = utils::get_journal_options(vm, &opts);
if (r < 0) {
return r;
}
std::vector<std::string> feature_names;
if (vm.count(at::POSITIONAL_ARGUMENTS)) {
const std::vector<std::string> &args =
vm[at::POSITIONAL_ARGUMENTS].as<std::vector<std::string> >();
feature_names.insert(feature_names.end(), args.begin() + arg_index,
args.end());
}
if (feature_names.empty()) {
std::cerr << "rbd: at least one feature name must be specified"
<< std::endl;
return -EINVAL;
}
boost::any features_any(static_cast<uint64_t>(0));
at::ImageFeatures image_features;
at::validate(features_any, feature_names, &image_features, 0);
librados::Rados rados;
librados::IoCtx io_ctx;
librbd::Image image;
r = utils::init_and_open_image(pool_name, namespace_name, image_name, "", "",
false, &rados, &io_ctx, &image);
if (r < 0) {
return r;
}
r = image.update_features(boost::any_cast<uint64_t>(features_any), enabled);
if (r < 0) {
std::cerr << "rbd: failed to update image features: " << cpp_strerror(r)
<< std::endl;
return r;
}
return 0;
}
int execute_disable(const po::variables_map &vm,
const std::vector<std::string> &ceph_global_init_args) {
return execute(vm, false);
}
int execute_enable(const po::variables_map &vm,
const std::vector<std::string> &ceph_global_init_args) {
return execute(vm, true);
}
Shell::Action action_disable(
{"feature", "disable"}, {}, "Disable the specified image feature.", "",
&get_arguments_disable, &execute_disable);
Shell::Action action_enable(
{"feature", "enable"}, {}, "Enable the specified image feature.", "",
&get_arguments_enable, &execute_enable);
} // namespace feature
} // namespace action
} // namespace rbd
|
