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7c673cae FG |
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/rbd_types.h" | |
11fdf7f2 | 8 | #include "include/stringify.h" |
7c673cae FG |
9 | #include "common/errno.h" |
10 | #include "common/Formatter.h" | |
11 | #include <iostream> | |
12 | #include <boost/program_options.hpp> | |
13 | ||
14 | namespace rbd { | |
15 | namespace action { | |
16 | namespace status { | |
17 | ||
18 | namespace at = argument_types; | |
19 | namespace po = boost::program_options; | |
20 | ||
11fdf7f2 TL |
21 | static int do_show_status(librados::IoCtx& io_ctx, const std::string &image_name, |
22 | librbd::Image &image, Formatter *f) | |
7c673cae | 23 | { |
7c673cae | 24 | int r; |
11fdf7f2 | 25 | std::list<librbd::image_watcher_t> watchers; |
7c673cae | 26 | |
11fdf7f2 | 27 | r = image.list_watchers(watchers); |
7c673cae FG |
28 | if (r < 0) |
29 | return r; | |
30 | ||
11fdf7f2 TL |
31 | uint64_t features; |
32 | r = image.features(&features); | |
33 | if (r < 0) { | |
34 | return r; | |
35 | } | |
36 | ||
37 | librbd::image_migration_status_t migration_status; | |
38 | std::string source_pool_name; | |
39 | std::string dest_pool_name; | |
40 | std::string migration_state; | |
41 | if ((features & RBD_FEATURE_MIGRATING) != 0) { | |
42 | r = librbd::RBD().migration_status(io_ctx, image_name.c_str(), | |
43 | &migration_status, | |
44 | sizeof(migration_status)); | |
7c673cae | 45 | if (r < 0) { |
11fdf7f2 TL |
46 | std::cerr << "rbd: getting migration status failed: " << cpp_strerror(r) |
47 | << std::endl; | |
48 | // not fatal | |
49 | } else { | |
50 | librados::IoCtx src_io_ctx; | |
51 | r = librados::Rados(io_ctx).ioctx_create2(migration_status.source_pool_id, src_io_ctx); | |
52 | if (r < 0) { | |
53 | source_pool_name = stringify(migration_status.source_pool_id); | |
54 | } else { | |
55 | source_pool_name = src_io_ctx.get_pool_name(); | |
56 | } | |
7c673cae | 57 | |
11fdf7f2 TL |
58 | librados::IoCtx dst_io_ctx; |
59 | r = librados::Rados(io_ctx).ioctx_create2(migration_status.dest_pool_id, dst_io_ctx); | |
60 | if (r < 0) { | |
61 | dest_pool_name = stringify(migration_status.dest_pool_id); | |
62 | } else { | |
63 | dest_pool_name = dst_io_ctx.get_pool_name(); | |
64 | } | |
7c673cae | 65 | |
11fdf7f2 TL |
66 | switch (migration_status.state) { |
67 | case RBD_IMAGE_MIGRATION_STATE_ERROR: | |
68 | migration_state = "error"; | |
69 | break; | |
70 | case RBD_IMAGE_MIGRATION_STATE_PREPARING: | |
71 | migration_state = "preparing"; | |
72 | break; | |
73 | case RBD_IMAGE_MIGRATION_STATE_PREPARED: | |
74 | migration_state = "prepared"; | |
75 | break; | |
76 | case RBD_IMAGE_MIGRATION_STATE_EXECUTING: | |
77 | migration_state = "executing"; | |
78 | break; | |
79 | case RBD_IMAGE_MIGRATION_STATE_EXECUTED: | |
80 | migration_state = "executed"; | |
81 | break; | |
82 | default: | |
83 | migration_state = "unknown"; | |
84 | } | |
85 | } | |
86 | } | |
7c673cae FG |
87 | |
88 | if (f) | |
89 | f->open_object_section("status"); | |
90 | ||
91 | if (f) { | |
92 | f->open_array_section("watchers"); | |
11fdf7f2 | 93 | for (auto &watcher : watchers) { |
7c673cae | 94 | f->open_object_section("watcher"); |
11fdf7f2 TL |
95 | f->dump_string("address", watcher.addr); |
96 | f->dump_unsigned("client", watcher.id); | |
97 | f->dump_unsigned("cookie", watcher.cookie); | |
7c673cae FG |
98 | f->close_section(); |
99 | } | |
11fdf7f2 TL |
100 | f->close_section(); // watchers |
101 | if (!migration_state.empty()) { | |
102 | f->open_object_section("migration"); | |
103 | f->dump_string("source_pool_name", source_pool_name); | |
104 | f->dump_string("source_pool_namespace", | |
105 | migration_status.source_pool_namespace); | |
106 | f->dump_string("source_image_name", migration_status.source_image_name); | |
107 | f->dump_string("source_image_id", migration_status.source_image_id); | |
108 | f->dump_string("dest_pool_name", dest_pool_name); | |
109 | f->dump_string("dest_pool_namespace", | |
110 | migration_status.dest_pool_namespace); | |
111 | f->dump_string("dest_image_name", migration_status.dest_image_name); | |
112 | f->dump_string("dest_image_id", migration_status.dest_image_id); | |
113 | f->dump_string("state", migration_state); | |
114 | f->dump_string("state_description", migration_status.state_description); | |
115 | f->close_section(); // migration | |
116 | } | |
7c673cae FG |
117 | } else { |
118 | if (watchers.size()) { | |
119 | std::cout << "Watchers:" << std::endl; | |
11fdf7f2 TL |
120 | for (auto &watcher : watchers) { |
121 | std::cout << "\twatcher=" << watcher.addr << " client." << watcher.id | |
122 | << " cookie=" << watcher.cookie << std::endl; | |
7c673cae FG |
123 | } |
124 | } else { | |
125 | std::cout << "Watchers: none" << std::endl; | |
126 | } | |
11fdf7f2 TL |
127 | if (!migration_state.empty()) { |
128 | if (!migration_status.source_pool_namespace.empty()) { | |
129 | source_pool_name += ("/" + migration_status.source_pool_namespace); | |
130 | } | |
131 | if (!migration_status.dest_pool_namespace.empty()) { | |
132 | dest_pool_name += ("/" + migration_status.dest_pool_namespace); | |
133 | } | |
134 | ||
135 | std::cout << "Migration:" << std::endl; | |
136 | std::cout << "\tsource: " << source_pool_name << "/" | |
137 | << migration_status.source_image_name; | |
138 | if (!migration_status.source_image_id.empty()) { | |
139 | std::cout << " (" << migration_status.source_image_id << ")"; | |
140 | } | |
141 | std::cout << std::endl; | |
142 | std::cout << "\tdestination: " << dest_pool_name << "/" | |
143 | << migration_status.dest_image_name << " (" | |
144 | << migration_status.dest_image_id << ")" << std::endl; | |
145 | std::cout << "\tstate: " << migration_state; | |
146 | if (!migration_status.state_description.empty()) { | |
147 | std::cout << " (" << migration_status.state_description << ")"; | |
148 | } | |
149 | std::cout << std::endl; | |
150 | } | |
7c673cae | 151 | } |
11fdf7f2 | 152 | |
7c673cae | 153 | if (f) { |
11fdf7f2 | 154 | f->close_section(); // status |
7c673cae FG |
155 | f->flush(std::cout); |
156 | } | |
157 | ||
158 | return 0; | |
159 | } | |
160 | ||
161 | void get_arguments(po::options_description *positional, | |
162 | po::options_description *options) { | |
163 | at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE); | |
164 | at::add_format_options(options); | |
165 | } | |
166 | ||
11fdf7f2 TL |
167 | int execute(const po::variables_map &vm, |
168 | const std::vector<std::string> &ceph_global_init_args) { | |
7c673cae FG |
169 | size_t arg_index = 0; |
170 | std::string pool_name; | |
11fdf7f2 | 171 | std::string namespace_name; |
7c673cae FG |
172 | std::string image_name; |
173 | std::string snap_name; | |
174 | int r = utils::get_pool_image_snapshot_names( | |
11fdf7f2 TL |
175 | vm, at::ARGUMENT_MODIFIER_NONE, &arg_index, &pool_name, &namespace_name, |
176 | &image_name, &snap_name, true, utils::SNAPSHOT_PRESENCE_NONE, | |
177 | utils::SPEC_VALIDATION_NONE); | |
7c673cae FG |
178 | if (r < 0) { |
179 | return r; | |
180 | } | |
181 | ||
182 | at::Format::Formatter formatter; | |
183 | r = utils::get_formatter(vm, &formatter); | |
184 | if (r < 0) { | |
185 | return r; | |
186 | } | |
187 | ||
188 | librados::Rados rados; | |
189 | librados::IoCtx io_ctx; | |
190 | librbd::Image image; | |
11fdf7f2 TL |
191 | r = utils::init_and_open_image(pool_name, namespace_name, image_name, "", "", |
192 | true, &rados, &io_ctx, &image); | |
7c673cae FG |
193 | if (r < 0) { |
194 | return r; | |
195 | } | |
196 | ||
11fdf7f2 | 197 | r = do_show_status(io_ctx, image_name, image, formatter.get()); |
7c673cae FG |
198 | if (r < 0) { |
199 | std::cerr << "rbd: show status failed: " << cpp_strerror(r) << std::endl; | |
200 | return r; | |
201 | } | |
202 | return 0; | |
203 | } | |
204 | ||
205 | Shell::Action action( | |
206 | {"status"}, {}, "Show the status of this image.", "", &get_arguments, | |
207 | &execute); | |
208 | ||
209 | } // namespace status | |
210 | } // namespace action | |
211 | } // namespace rbd |