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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
// -*- 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/stringify.h"
#include "common/Formatter.h"
#include "common/TextTable.h"
#include <algorithm>
#include <iostream>
#include <boost/program_options.hpp>
namespace rbd {
namespace action {
namespace ns {
namespace at = argument_types;
namespace po = boost::program_options;
void get_create_arguments(po::options_description *positional,
po::options_description *options) {
at::add_pool_options(positional, options, true);
}
int execute_create(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, true, &pool_name,
&namespace_name, &arg_index);
if (r < 0) {
return r;
}
if (namespace_name.empty()) {
std::cerr << "rbd: namespace name was not specified" << std::endl;
return -EINVAL;
}
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.namespace_create(io_ctx, namespace_name.c_str());
if (r < 0) {
std::cerr << "rbd: failed to created namespace: " << cpp_strerror(r)
<< std::endl;
return r;
}
return 0;
}
void get_remove_arguments(po::options_description *positional,
po::options_description *options) {
at::add_pool_options(positional, options, true);
}
int execute_remove(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, true, &pool_name,
&namespace_name, &arg_index);
if (r < 0) {
return r;
}
if (namespace_name.empty()) {
std::cerr << "rbd: namespace name was not specified" << std::endl;
return -EINVAL;
}
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.namespace_remove(io_ctx, namespace_name.c_str());
if (r == -EBUSY) {
std::cerr << "rbd: namespace contains images which must be deleted first."
<< std::endl;
return r;
} else if (r == -ENOENT) {
std::cerr << "rbd: namespace does not exist." << std::endl;
return r;
} else if (r < 0) {
std::cerr << "rbd: failed to remove namespace: " << cpp_strerror(r)
<< std::endl;
return r;
}
return 0;
}
void get_list_arguments(po::options_description *positional,
po::options_description *options) {
at::add_pool_options(positional, options, false);
at::add_format_options(options);
}
int execute_list(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, true, &pool_name,
nullptr, &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, "", &rados, &io_ctx);
if (r < 0) {
return r;
}
librbd::RBD rbd;
std::vector<std::string> names;
r = rbd.namespace_list(io_ctx, &names);
if (r < 0 && r != -ENOENT) {
std::cerr << "rbd: failed to list namespaces: " << cpp_strerror(r)
<< std::endl;
return r;
}
std::sort(names.begin(), names.end());
TextTable tbl;
if (formatter) {
formatter->open_array_section("namespaces");
} else {
tbl.define_column("NAME", TextTable::LEFT, TextTable::LEFT);
}
for (auto& name : names) {
if (formatter) {
formatter->open_object_section("namespace");
formatter->dump_string("name", name);
formatter->close_section();
} else {
tbl << name << TextTable::endrow;
}
}
if (formatter) {
formatter->close_section();
formatter->flush(std::cout);
} else if (!names.empty()) {
std::cout << tbl;
}
return 0;
}
Shell::Action action_create(
{"namespace", "create"}, {},
"Create an RBD image namespace.", "",
&get_create_arguments, &execute_create);
Shell::Action action_remove(
{"namespace", "remove"}, {"namespace", "rm"},
"Remove an RBD image namespace.", "",
&get_remove_arguments, &execute_remove);
Shell::Action action_list(
{"namespace", "list"}, {"namespace", "ls"}, "List RBD image namespaces.", "",
&get_list_arguments, &execute_list);
} // namespace ns
} // namespace action
} // namespace rbd
|
