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474339e2 | 1 | /* Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2016, 2017 Nicira, Inc. |
f85f8ebb BP |
2 | * |
3 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | * you may not use this file except in compliance with the License. | |
5 | * You may obtain a copy of the License at: | |
6 | * | |
7 | * http://www.apache.org/licenses/LICENSE-2.0 | |
8 | * | |
9 | * Unless required by applicable law or agreed to in writing, software | |
10 | * distributed under the License is distributed on an "AS IS" BASIS, | |
11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | * See the License for the specific language governing permissions and | |
13 | * limitations under the License. | |
14 | */ | |
15 | ||
16 | #include <config.h> | |
17 | ||
f85f8ebb BP |
18 | #include <errno.h> |
19 | #include <getopt.h> | |
798e1352 | 20 | #include <inttypes.h> |
f85f8ebb | 21 | #include <signal.h> |
ebed9f78 | 22 | #include <sys/stat.h> |
eb077b26 | 23 | #include <unistd.h> |
f85f8ebb | 24 | |
0b1fae1b | 25 | #include "column.h" |
f85f8ebb BP |
26 | #include "command-line.h" |
27 | #include "daemon.h" | |
29701194 | 28 | #include "dirs.h" |
3e8a2ad1 | 29 | #include "openvswitch/dynamic-string.h" |
8a777cf6 | 30 | #include "fatal-signal.h" |
bd06962a | 31 | #include "file.h" |
da897f41 | 32 | #include "hash.h" |
ee89ea7b | 33 | #include "openvswitch/json.h" |
f85f8ebb BP |
34 | #include "jsonrpc.h" |
35 | #include "jsonrpc-server.h" | |
b19bab5b | 36 | #include "openvswitch/list.h" |
0d085684 | 37 | #include "memory.h" |
e0c73ed1 | 38 | #include "monitor.h" |
da897f41 | 39 | #include "ovsdb.h" |
0b1fae1b BP |
40 | #include "ovsdb-data.h" |
41 | #include "ovsdb-types.h" | |
f85f8ebb | 42 | #include "ovsdb-error.h" |
fd016ae3 | 43 | #include "openvswitch/poll-loop.h" |
f85f8ebb | 44 | #include "process.h" |
ae671c5f | 45 | #include "replication.h" |
0b1fae1b | 46 | #include "row.h" |
0d085684 | 47 | #include "simap.h" |
ee89ea7b | 48 | #include "openvswitch/shash.h" |
9467fe62 | 49 | #include "stream-ssl.h" |
f85f8ebb | 50 | #include "stream.h" |
b3c01ed3 | 51 | #include "sset.h" |
1b1d2e6d | 52 | #include "storage.h" |
0b1fae1b | 53 | #include "table.h" |
f85f8ebb | 54 | #include "timeval.h" |
0b3e7a8b | 55 | #include "transaction.h" |
f85f8ebb BP |
56 | #include "trigger.h" |
57 | #include "util.h" | |
58 | #include "unixctl.h" | |
97a3c435 | 59 | #include "perf-counter.h" |
40e66ba7 | 60 | #include "ovsdb-util.h" |
e6211adc | 61 | #include "openvswitch/vlog.h" |
5136ce49 | 62 | |
d98e6007 | 63 | VLOG_DEFINE_THIS_MODULE(ovsdb_server); |
f85f8ebb | 64 | |
6ab3dd96 | 65 | struct db { |
6ab3dd96 | 66 | char *filename; |
6ab3dd96 | 67 | struct ovsdb *db; |
6bb9b060 | 68 | struct uuid row_uuid; |
6ab3dd96 | 69 | }; |
b4e8d170 | 70 | |
78876719 BP |
71 | /* SSL configuration. */ |
72 | static char *private_key_file; | |
73 | static char *certificate_file; | |
74 | static char *ca_cert_file; | |
e18a1d08 ER |
75 | static char *ssl_protocols; |
76 | static char *ssl_ciphers; | |
78876719 BP |
77 | static bool bootstrap_ca_cert; |
78 | ||
aa78de9d | 79 | static unixctl_cb_func ovsdb_server_exit; |
ada496b5 | 80 | static unixctl_cb_func ovsdb_server_compact; |
31d0b6c9 | 81 | static unixctl_cb_func ovsdb_server_reconnect; |
97a3c435 AZ |
82 | static unixctl_cb_func ovsdb_server_perf_counters_clear; |
83 | static unixctl_cb_func ovsdb_server_perf_counters_show; | |
c383f3bf | 84 | static unixctl_cb_func ovsdb_server_disable_monitor_cond; |
f53d7518 AZ |
85 | static unixctl_cb_func ovsdb_server_set_active_ovsdb_server; |
86 | static unixctl_cb_func ovsdb_server_get_active_ovsdb_server; | |
87 | static unixctl_cb_func ovsdb_server_connect_active_ovsdb_server; | |
88 | static unixctl_cb_func ovsdb_server_disconnect_active_ovsdb_server; | |
60e0cd04 AZ |
89 | static unixctl_cb_func ovsdb_server_set_sync_exclude_tables; |
90 | static unixctl_cb_func ovsdb_server_get_sync_exclude_tables; | |
91 | static unixctl_cb_func ovsdb_server_get_sync_status; | |
aa78de9d | 92 | |
0a3b723b | 93 | struct server_config { |
b421d2af | 94 | struct sset *remotes; |
eeb36a52 | 95 | struct shash *all_dbs; |
5f36127e | 96 | FILE *config_tmpfile; |
60e0cd04 AZ |
97 | char **sync_from; |
98 | char **sync_exclude; | |
99 | bool *is_backup; | |
0a3b723b | 100 | struct ovsdb_jsonrpc_server *jsonrpc; |
b421d2af BP |
101 | }; |
102 | static unixctl_cb_func ovsdb_server_add_remote; | |
103 | static unixctl_cb_func ovsdb_server_remove_remote; | |
104 | static unixctl_cb_func ovsdb_server_list_remotes; | |
105 | ||
0a3b723b BP |
106 | static unixctl_cb_func ovsdb_server_add_database; |
107 | static unixctl_cb_func ovsdb_server_remove_database; | |
108 | static unixctl_cb_func ovsdb_server_list_databases; | |
109 | ||
1b1d2e6d BP |
110 | static void read_db(struct server_config *, struct db *); |
111 | static struct ovsdb_error *open_db(struct server_config *, | |
112 | const char *filename) | |
113 | OVS_WARN_UNUSED_RESULT; | |
6bb9b060 | 114 | static void add_server_db(struct server_config *); |
1b1d2e6d BP |
115 | static void remove_db(struct server_config *, struct shash_node *db, char *); |
116 | static void close_db(struct server_config *, struct db *, char *); | |
eeb36a52 | 117 | |
53178986 BP |
118 | static void parse_options(int argc, char *argvp[], |
119 | struct sset *db_filenames, struct sset *remotes, | |
120 | char **unixctl_pathp, char **run_command, | |
121 | char **sync_from, char **sync_exclude, | |
122 | bool *is_backup); | |
cab50449 | 123 | OVS_NO_RETURN static void usage(void); |
f85f8ebb | 124 | |
0a3b723b BP |
125 | static char *reconfigure_remotes(struct ovsdb_jsonrpc_server *, |
126 | const struct shash *all_dbs, | |
127 | struct sset *remotes); | |
128 | static char *reconfigure_ssl(const struct shash *all_dbs); | |
129 | static void report_error_if_changed(char *error, char **last_errorp); | |
0b1fae1b | 130 | |
0b3e7a8b | 131 | static void update_remote_status(const struct ovsdb_jsonrpc_server *jsonrpc, |
b3c01ed3 | 132 | const struct sset *remotes, |
eeb36a52 | 133 | struct shash *all_dbs); |
6bb9b060 | 134 | static void update_server_status(struct shash *all_dbs); |
0b3e7a8b | 135 | |
0a3b723b | 136 | static void save_config__(FILE *config_file, const struct sset *remotes, |
60e0cd04 AZ |
137 | const struct sset *db_filenames, |
138 | const char *sync_from, const char *sync_exclude, | |
139 | bool is_backup); | |
0a3b723b BP |
140 | static void save_config(struct server_config *); |
141 | static void load_config(FILE *config_file, struct sset *remotes, | |
60e0cd04 AZ |
142 | struct sset *db_filenames, char **sync_from, |
143 | char **sync_exclude, bool *is_backup); | |
5f36127e | 144 | |
6ab3dd96 | 145 | static void |
60e0cd04 | 146 | ovsdb_replication_init(const char *sync_from, const char *exclude, |
05ac209a | 147 | struct shash *all_dbs, const struct uuid *server_uuid) |
6ab3dd96 | 148 | { |
05ac209a | 149 | replication_init(sync_from, exclude, server_uuid); |
6ab3dd96 AZ |
150 | struct shash_node *node; |
151 | SHASH_FOR_EACH (node, all_dbs) { | |
152 | struct db *db = node->data; | |
bc7bcc40 BP |
153 | if (node->name[0] != '_' && db->db) { |
154 | replication_add_local_db(node->name, db->db); | |
155 | } | |
6ab3dd96 AZ |
156 | } |
157 | } | |
158 | ||
513a3f64 | 159 | static void |
1b1d2e6d BP |
160 | log_and_free_error(struct ovsdb_error *error) |
161 | { | |
162 | if (error) { | |
163 | char *s = ovsdb_error_to_string_free(error); | |
164 | VLOG_INFO("%s", s); | |
165 | free(s); | |
166 | } | |
167 | } | |
168 | ||
169 | static void | |
170 | main_loop(struct server_config *config, | |
171 | struct ovsdb_jsonrpc_server *jsonrpc, struct shash *all_dbs, | |
513a3f64 | 172 | struct unixctl_server *unixctl, struct sset *remotes, |
60e0cd04 | 173 | struct process *run_process, bool *exiting, bool *is_backup) |
513a3f64 ES |
174 | { |
175 | char *remotes_error, *ssl_error; | |
176 | struct shash_node *node; | |
177 | long long int status_timer = LLONG_MIN; | |
178 | ||
179 | *exiting = false; | |
180 | ssl_error = NULL; | |
181 | remotes_error = NULL; | |
182 | while (!*exiting) { | |
183 | memory_run(); | |
184 | if (memory_should_report()) { | |
185 | struct simap usage; | |
186 | ||
187 | simap_init(&usage); | |
188 | ovsdb_jsonrpc_server_get_memory_usage(jsonrpc, &usage); | |
e0c73ed1 | 189 | ovsdb_monitor_get_memory_usage(&usage); |
513a3f64 ES |
190 | SHASH_FOR_EACH(node, all_dbs) { |
191 | struct db *db = node->data; | |
192 | ovsdb_get_memory_usage(db->db, &usage); | |
193 | } | |
194 | memory_report(&usage); | |
195 | simap_destroy(&usage); | |
196 | } | |
197 | ||
198 | /* Run unixctl_server_run() before reconfigure_remotes() because | |
199 | * ovsdb-server/add-remote and ovsdb-server/remove-remote can change | |
200 | * the set of remotes that reconfigure_remotes() uses. */ | |
201 | unixctl_server_run(unixctl); | |
202 | ||
077f0302 | 203 | ovsdb_jsonrpc_server_set_read_only(jsonrpc, *is_backup); |
e51879e9 | 204 | |
513a3f64 ES |
205 | report_error_if_changed( |
206 | reconfigure_remotes(jsonrpc, all_dbs, remotes), | |
207 | &remotes_error); | |
208 | report_error_if_changed(reconfigure_ssl(all_dbs), &ssl_error); | |
209 | ovsdb_jsonrpc_server_run(jsonrpc); | |
210 | ||
60e0cd04 | 211 | if (*is_backup) { |
23c16b51 AZ |
212 | replication_run(); |
213 | if (!replication_is_alive()) { | |
ac5d315c AZ |
214 | disconnect_active_server(); |
215 | *is_backup = false; | |
23c16b51 | 216 | } |
ae671c5f MC |
217 | } |
218 | ||
1b1d2e6d BP |
219 | struct shash_node *next; |
220 | SHASH_FOR_EACH_SAFE (node, next, all_dbs) { | |
513a3f64 | 221 | struct db *db = node->data; |
695e8150 | 222 | ovsdb_txn_history_run(db->db); |
74352f87 HZ |
223 | ovsdb_storage_run(db->db->storage); |
224 | read_db(config, db); | |
225 | /* Run triggers after storage_run and read_db to make sure new raft | |
226 | * updates are utilized in current iteration. */ | |
53178986 | 227 | if (ovsdb_trigger_run(db->db, time_msec())) { |
1b1d2e6d BP |
228 | /* The message below is currently the only reason to disconnect |
229 | * all clients. */ | |
230 | ovsdb_jsonrpc_server_reconnect( | |
231 | jsonrpc, false, | |
232 | xasprintf("committed %s database schema conversion", | |
233 | db->db->name)); | |
234 | } | |
1b1d2e6d BP |
235 | if (ovsdb_storage_is_dead(db->db->storage)) { |
236 | VLOG_INFO("%s: removing database because storage disconnected " | |
237 | "permanently", node->name); | |
238 | remove_db(config, node, | |
239 | xasprintf("removing database %s because storage " | |
240 | "disconnected permanently", node->name)); | |
241 | } else if (ovsdb_storage_should_snapshot(db->db->storage)) { | |
242 | log_and_free_error(ovsdb_snapshot(db->db)); | |
53178986 | 243 | } |
513a3f64 ES |
244 | } |
245 | if (run_process) { | |
246 | process_run(); | |
247 | if (process_exited(run_process)) { | |
248 | *exiting = true; | |
249 | } | |
250 | } | |
251 | ||
ae671c5f | 252 | /* update Manager status(es) every 2.5 seconds */ |
513a3f64 | 253 | if (time_msec() >= status_timer) { |
ae671c5f | 254 | status_timer = time_msec() + 2500; |
513a3f64 ES |
255 | update_remote_status(jsonrpc, remotes, all_dbs); |
256 | } | |
257 | ||
6bb9b060 BP |
258 | update_server_status(all_dbs); |
259 | ||
513a3f64 | 260 | memory_wait(); |
60e0cd04 | 261 | if (*is_backup) { |
8c945cec AZ |
262 | replication_wait(); |
263 | } | |
23c16b51 | 264 | |
513a3f64 ES |
265 | ovsdb_jsonrpc_server_wait(jsonrpc); |
266 | unixctl_server_wait(unixctl); | |
267 | SHASH_FOR_EACH(node, all_dbs) { | |
268 | struct db *db = node->data; | |
269 | ovsdb_trigger_wait(db->db, time_msec()); | |
1b1d2e6d BP |
270 | ovsdb_storage_wait(db->db->storage); |
271 | ovsdb_storage_read_wait(db->db->storage); | |
513a3f64 ES |
272 | } |
273 | if (run_process) { | |
274 | process_wait(run_process); | |
275 | } | |
276 | if (*exiting) { | |
277 | poll_immediate_wake(); | |
278 | } | |
279 | poll_timer_wait_until(status_timer); | |
280 | poll_block(); | |
281 | if (should_service_stop()) { | |
282 | *exiting = true; | |
283 | } | |
284 | } | |
285 | ||
b396293a | 286 | free(remotes_error); |
513a3f64 ES |
287 | } |
288 | ||
f85f8ebb BP |
289 | int |
290 | main(int argc, char *argv[]) | |
291 | { | |
aa78de9d | 292 | char *unixctl_path = NULL; |
475afa1b | 293 | char *run_command = NULL; |
f85f8ebb BP |
294 | struct unixctl_server *unixctl; |
295 | struct ovsdb_jsonrpc_server *jsonrpc; | |
0a3b723b | 296 | struct sset remotes, db_filenames; |
60e0cd04 AZ |
297 | char *sync_from, *sync_exclude; |
298 | bool is_backup; | |
0a3b723b | 299 | const char *db_filename; |
475afa1b | 300 | struct process *run_process; |
aa78de9d | 301 | bool exiting; |
f85f8ebb | 302 | int retval; |
5f36127e | 303 | FILE *config_tmpfile; |
0a3b723b | 304 | struct server_config server_config; |
eeb36a52 | 305 | struct shash all_dbs; |
03093a4f | 306 | struct shash_node *node, *next; |
b4e8d170 | 307 | |
5f383751 | 308 | ovs_cmdl_proctitle_init(argc, argv); |
f85f8ebb | 309 | set_program_name(argv[0]); |
42dd41ef | 310 | service_start(&argc, &argv); |
8a777cf6 | 311 | fatal_ignore_sigpipe(); |
f85f8ebb BP |
312 | process_init(); |
313 | ||
60e0cd04 | 314 | bool active = false; |
53178986 BP |
315 | parse_options(argc, argv, &db_filenames, &remotes, &unixctl_path, |
316 | &run_command, &sync_from, &sync_exclude, &active); | |
60e0cd04 AZ |
317 | is_backup = sync_from && !active; |
318 | ||
e91b927d | 319 | daemon_become_new_user(false); |
f85f8ebb | 320 | |
5f36127e BP |
321 | /* Create and initialize 'config_tmpfile' as a temporary file to hold |
322 | * ovsdb-server's most basic configuration, and then save our initial | |
323 | * configuration to it. When --monitor is used, this preserves the effects | |
324 | * of ovs-appctl commands such as ovsdb-server/add-remote (which saves the | |
325 | * new configuration) across crashes. */ | |
326 | config_tmpfile = tmpfile(); | |
327 | if (!config_tmpfile) { | |
328 | ovs_fatal(errno, "failed to create temporary file"); | |
329 | } | |
0a3b723b | 330 | |
0a3b723b BP |
331 | server_config.remotes = &remotes; |
332 | server_config.config_tmpfile = config_tmpfile; | |
333 | ||
60e0cd04 AZ |
334 | save_config__(config_tmpfile, &remotes, &db_filenames, sync_from, |
335 | sync_exclude, is_backup); | |
5f36127e | 336 | |
e91b927d | 337 | daemonize_start(false); |
eb077b26 | 338 | |
5f36127e | 339 | /* Load the saved config. */ |
60e0cd04 AZ |
340 | load_config(config_tmpfile, &remotes, &db_filenames, &sync_from, |
341 | &sync_exclude, &is_backup); | |
342 | ||
343 | /* Start ovsdb jsonrpc server. When running as a backup server, | |
344 | * jsonrpc connections are read only. Otherwise, both read | |
345 | * and write transactions are allowed. */ | |
346 | jsonrpc = ovsdb_jsonrpc_server_create(is_backup); | |
eeb36a52 | 347 | |
0a3b723b BP |
348 | shash_init(&all_dbs); |
349 | server_config.all_dbs = &all_dbs; | |
350 | server_config.jsonrpc = jsonrpc; | |
60e0cd04 AZ |
351 | server_config.sync_from = &sync_from; |
352 | server_config.sync_exclude = &sync_exclude; | |
353 | server_config.is_backup = &is_backup; | |
7ef28119 WT |
354 | |
355 | perf_counters_init(); | |
356 | ||
0a3b723b | 357 | SSET_FOR_EACH (db_filename, &db_filenames) { |
1b1d2e6d | 358 | struct ovsdb_error *error = open_db(&server_config, db_filename); |
0a3b723b | 359 | if (error) { |
1b1d2e6d BP |
360 | char *s = ovsdb_error_to_string_free(error); |
361 | ovs_fatal(0, "%s", s); | |
0a3b723b | 362 | } |
b4e8d170 | 363 | } |
6bb9b060 | 364 | add_server_db(&server_config); |
b4e8d170 | 365 | |
1b1d2e6d | 366 | char *error = reconfigure_remotes(jsonrpc, &all_dbs, &remotes); |
0a3b723b BP |
367 | if (!error) { |
368 | error = reconfigure_ssl(&all_dbs); | |
369 | } | |
370 | if (error) { | |
371 | ovs_fatal(0, "%s", error); | |
372 | } | |
f85f8ebb | 373 | |
aa78de9d | 374 | retval = unixctl_server_create(unixctl_path, &unixctl); |
f85f8ebb | 375 | if (retval) { |
4d12270a | 376 | exit(EXIT_FAILURE); |
f85f8ebb BP |
377 | } |
378 | ||
475afa1b BP |
379 | if (run_command) { |
380 | char *run_argv[4]; | |
381 | ||
382 | run_argv[0] = "/bin/sh"; | |
383 | run_argv[1] = "-c"; | |
384 | run_argv[2] = run_command; | |
385 | run_argv[3] = NULL; | |
386 | ||
e1208bc4 | 387 | retval = process_start(run_argv, &run_process); |
475afa1b BP |
388 | if (retval) { |
389 | ovs_fatal(retval, "%s: process failed to start", run_command); | |
390 | } | |
391 | } else { | |
392 | run_process = NULL; | |
393 | } | |
394 | ||
95440284 | 395 | daemonize_complete(); |
aa78de9d | 396 | |
08b9b190 EJ |
397 | if (!run_command) { |
398 | /* ovsdb-server is usually a long-running process, in which case it | |
399 | * makes plenty of sense to log the version, but --run makes | |
400 | * ovsdb-server more like a command-line tool, so skip it. */ | |
401 | VLOG_INFO("%s (Open vSwitch) %s", program_name, VERSION); | |
402 | } | |
9dbc190c | 403 | |
0e15264f | 404 | unixctl_command_register("exit", "", 0, 0, ovsdb_server_exit, &exiting); |
b4e8d170 | 405 | unixctl_command_register("ovsdb-server/compact", "", 0, 1, |
eeb36a52 | 406 | ovsdb_server_compact, &all_dbs); |
0e15264f | 407 | unixctl_command_register("ovsdb-server/reconnect", "", 0, 0, |
7ff2009a | 408 | ovsdb_server_reconnect, jsonrpc); |
aa78de9d | 409 | |
b421d2af | 410 | unixctl_command_register("ovsdb-server/add-remote", "REMOTE", 1, 1, |
0a3b723b | 411 | ovsdb_server_add_remote, &server_config); |
b421d2af | 412 | unixctl_command_register("ovsdb-server/remove-remote", "REMOTE", 1, 1, |
0a3b723b | 413 | ovsdb_server_remove_remote, &server_config); |
b421d2af BP |
414 | unixctl_command_register("ovsdb-server/list-remotes", "", 0, 0, |
415 | ovsdb_server_list_remotes, &remotes); | |
416 | ||
0a3b723b BP |
417 | unixctl_command_register("ovsdb-server/add-db", "DB", 1, 1, |
418 | ovsdb_server_add_database, &server_config); | |
419 | unixctl_command_register("ovsdb-server/remove-db", "DB", 1, 1, | |
420 | ovsdb_server_remove_database, &server_config); | |
421 | unixctl_command_register("ovsdb-server/list-dbs", "", 0, 0, | |
422 | ovsdb_server_list_databases, &all_dbs); | |
97a3c435 AZ |
423 | unixctl_command_register("ovsdb-server/perf-counters-show", "", 0, 0, |
424 | ovsdb_server_perf_counters_show, NULL); | |
425 | unixctl_command_register("ovsdb-server/perf-counters-clear", "", 0, 0, | |
426 | ovsdb_server_perf_counters_clear, NULL); | |
60e0cd04 AZ |
427 | unixctl_command_register("ovsdb-server/set-active-ovsdb-server", "", 1, 1, |
428 | ovsdb_server_set_active_ovsdb_server, | |
429 | &server_config); | |
f53d7518 | 430 | unixctl_command_register("ovsdb-server/get-active-ovsdb-server", "", 0, 0, |
60e0cd04 AZ |
431 | ovsdb_server_get_active_ovsdb_server, |
432 | &server_config); | |
e51879e9 AZ |
433 | unixctl_command_register("ovsdb-server/connect-active-ovsdb-server", "", |
434 | 0, 0, ovsdb_server_connect_active_ovsdb_server, | |
60e0cd04 | 435 | &server_config); |
e51879e9 AZ |
436 | unixctl_command_register("ovsdb-server/disconnect-active-ovsdb-server", "", |
437 | 0, 0, ovsdb_server_disconnect_active_ovsdb_server, | |
60e0cd04 AZ |
438 | &server_config); |
439 | unixctl_command_register("ovsdb-server/set-sync-exclude-tables", "", | |
440 | 0, 1, ovsdb_server_set_sync_exclude_tables, | |
441 | &server_config); | |
442 | unixctl_command_register("ovsdb-server/get-sync-exclude-tables", "", | |
443 | 0, 0, ovsdb_server_get_sync_exclude_tables, | |
e51879e9 | 444 | NULL); |
60e0cd04 AZ |
445 | unixctl_command_register("ovsdb-server/sync-status", "", |
446 | 0, 0, ovsdb_server_get_sync_status, | |
447 | &server_config); | |
9dc05cdc | 448 | |
e47cb14c | 449 | /* Simulate the behavior of OVS release prior to version 2.5 that |
c383f3bf LS |
450 | * does not support the monitor_cond method. */ |
451 | unixctl_command_register("ovsdb-server/disable-monitor-cond", "", 0, 0, | |
452 | ovsdb_server_disable_monitor_cond, jsonrpc); | |
e47cb14c | 453 | |
60e0cd04 | 454 | if (is_backup) { |
05ac209a AZ |
455 | const struct uuid *server_uuid; |
456 | server_uuid = ovsdb_jsonrpc_server_get_uuid(jsonrpc); | |
457 | ovsdb_replication_init(sync_from, sync_exclude, &all_dbs, server_uuid); | |
6ab3dd96 AZ |
458 | } |
459 | ||
1b1d2e6d BP |
460 | main_loop(&server_config, jsonrpc, &all_dbs, unixctl, &remotes, |
461 | run_process, &exiting, &is_backup); | |
0d085684 | 462 | |
03093a4f | 463 | SHASH_FOR_EACH_SAFE(node, next, &all_dbs) { |
eeb36a52 | 464 | struct db *db = node->data; |
aa02ac64 | 465 | close_db(&server_config, db, NULL); |
03093a4f | 466 | shash_delete(&all_dbs, node); |
b4e8d170 | 467 | } |
1b1d2e6d | 468 | ovsdb_jsonrpc_server_destroy(jsonrpc); |
d557df96 | 469 | shash_destroy(&all_dbs); |
b3c01ed3 | 470 | sset_destroy(&remotes); |
03093a4f | 471 | sset_destroy(&db_filenames); |
60e0cd04 AZ |
472 | free(sync_from); |
473 | free(sync_exclude); | |
23935e8b | 474 | unixctl_server_destroy(unixctl); |
3109b4e1 | 475 | replication_destroy(); |
f85f8ebb | 476 | |
475afa1b BP |
477 | if (run_process && process_exited(run_process)) { |
478 | int status = process_status(run_process); | |
479 | if (status) { | |
480 | ovs_fatal(0, "%s: child exited, %s", | |
481 | run_command, process_status_msg(status)); | |
482 | } | |
483 | } | |
97a3c435 | 484 | perf_counters_destroy(); |
42dd41ef | 485 | service_stop(); |
f85f8ebb BP |
486 | return 0; |
487 | } | |
488 | ||
ebed9f78 BP |
489 | /* Returns true if 'filename' is known to be already open as a database, |
490 | * false if not. | |
491 | * | |
492 | * "False negatives" are possible. */ | |
493 | static bool | |
494 | is_already_open(struct server_config *config OVS_UNUSED, | |
495 | const char *filename OVS_UNUSED) | |
496 | { | |
497 | #ifndef _WIN32 | |
498 | struct stat s; | |
499 | ||
500 | if (!stat(filename, &s)) { | |
501 | struct shash_node *node; | |
502 | ||
503 | SHASH_FOR_EACH (node, config->all_dbs) { | |
504 | struct db *db = node->data; | |
505 | struct stat s2; | |
506 | ||
507 | if (!stat(db->filename, &s2) | |
508 | && s.st_dev == s2.st_dev | |
509 | && s.st_ino == s2.st_ino) { | |
510 | return true; | |
511 | } | |
512 | } | |
513 | } | |
514 | #endif /* !_WIN32 */ | |
515 | ||
516 | return false; | |
517 | } | |
518 | ||
03093a4f | 519 | static void |
1b1d2e6d BP |
520 | close_db(struct server_config *config, struct db *db, char *comment) |
521 | { | |
522 | if (db) { | |
523 | ovsdb_jsonrpc_server_remove_db(config->jsonrpc, db->db, comment); | |
524 | ovsdb_destroy(db->db); | |
525 | free(db->filename); | |
526 | free(db); | |
527 | } else { | |
528 | free(comment); | |
529 | } | |
530 | } | |
531 | ||
532 | static struct ovsdb_error * OVS_WARN_UNUSED_RESULT | |
533 | parse_txn(struct server_config *config, struct db *db, | |
534 | struct ovsdb_schema *schema, const struct json *txn_json, | |
535 | const struct uuid *txnid) | |
536 | { | |
537 | if (schema) { | |
538 | /* We're replacing the schema (and the data). Destroy the database | |
539 | * (first grabbing its storage), then replace it with the new schema. | |
540 | * The transaction must also include the replacement data. | |
541 | * | |
542 | * Only clustered database schema changes go through this path. */ | |
543 | ovs_assert(txn_json); | |
544 | ovs_assert(ovsdb_storage_is_clustered(db->db->storage)); | |
545 | ||
546 | struct ovsdb_error *error = ovsdb_schema_check_for_ephemeral_columns( | |
547 | schema); | |
548 | if (error) { | |
549 | return error; | |
550 | } | |
551 | ||
552 | ovsdb_jsonrpc_server_reconnect( | |
553 | config->jsonrpc, false, | |
554 | (db->db->schema | |
555 | ? xasprintf("database %s schema changed", db->db->name) | |
556 | : xasprintf("database %s connected to storage", db->db->name))); | |
557 | ||
558 | ovsdb_replace(db->db, ovsdb_create(schema, NULL)); | |
559 | ||
560 | /* Force update to schema in _Server database. */ | |
561 | db->row_uuid = UUID_ZERO; | |
562 | } | |
563 | ||
564 | if (txn_json) { | |
565 | if (!db->db->schema) { | |
566 | return ovsdb_error(NULL, "%s: data without schema", db->filename); | |
567 | } | |
568 | ||
569 | struct ovsdb_txn *txn; | |
570 | struct ovsdb_error *error; | |
571 | ||
572 | error = ovsdb_file_txn_from_json(db->db, txn_json, false, &txn); | |
573 | if (!error) { | |
695e8150 | 574 | ovsdb_txn_set_txnid(txnid, txn); |
1b1d2e6d BP |
575 | log_and_free_error(ovsdb_txn_replay_commit(txn)); |
576 | } | |
577 | if (!error && !uuid_is_zero(txnid)) { | |
578 | db->db->prereq = *txnid; | |
579 | } | |
580 | if (error) { | |
581 | ovsdb_storage_unread(db->db->storage); | |
582 | return error; | |
583 | } | |
584 | } | |
585 | ||
586 | return NULL; | |
587 | } | |
588 | ||
589 | static void | |
590 | read_db(struct server_config *config, struct db *db) | |
03093a4f | 591 | { |
1b1d2e6d BP |
592 | struct ovsdb_error *error; |
593 | for (;;) { | |
594 | struct ovsdb_schema *schema; | |
595 | struct json *txn_json; | |
596 | struct uuid txnid; | |
597 | error = ovsdb_storage_read(db->db->storage, &schema, &txn_json, | |
598 | &txnid); | |
599 | if (error) { | |
600 | break; | |
601 | } else if (!schema && !txn_json) { | |
602 | /* End of file. */ | |
603 | return; | |
604 | } else { | |
605 | error = parse_txn(config, db, schema, txn_json, &txnid); | |
606 | json_destroy(txn_json); | |
607 | if (error) { | |
608 | break; | |
609 | } | |
610 | } | |
611 | } | |
612 | ||
613 | /* Log error but otherwise ignore it. Probably the database just | |
614 | * got truncated due to power failure etc. and we should use its | |
615 | * current contents. */ | |
616 | char *msg = ovsdb_error_to_string_free(error); | |
617 | VLOG_ERR("%s", msg); | |
618 | free(msg); | |
03093a4f RW |
619 | } |
620 | ||
6bb9b060 | 621 | static void |
1b1d2e6d | 622 | add_db(struct server_config *config, struct db *db) |
6bb9b060 BP |
623 | { |
624 | db->row_uuid = UUID_ZERO; | |
1b1d2e6d | 625 | shash_add_assert(config->all_dbs, db->db->name, db); |
6bb9b060 BP |
626 | } |
627 | ||
1b1d2e6d | 628 | static struct ovsdb_error * OVS_WARN_UNUSED_RESULT |
0a3b723b | 629 | open_db(struct server_config *config, const char *filename) |
eeb36a52 | 630 | { |
0a3b723b | 631 | struct db *db; |
eeb36a52 | 632 | |
ebed9f78 BP |
633 | /* If we know that the file is already open, return a good error message. |
634 | * Otherwise, if the file is open, we'll fail later on with a harder to | |
635 | * interpret file locking error. */ | |
636 | if (is_already_open(config, filename)) { | |
1b1d2e6d BP |
637 | return ovsdb_error(NULL, "%s: already open", filename); |
638 | } | |
639 | ||
640 | struct ovsdb_storage *storage; | |
641 | struct ovsdb_error *error; | |
642 | error = ovsdb_storage_open(filename, true, &storage); | |
643 | if (error) { | |
644 | return error; | |
ebed9f78 BP |
645 | } |
646 | ||
0a3b723b BP |
647 | db = xzalloc(sizeof *db); |
648 | db->filename = xstrdup(filename); | |
eeb36a52 | 649 | |
1b1d2e6d BP |
650 | struct ovsdb_schema *schema; |
651 | if (ovsdb_storage_is_clustered(storage)) { | |
652 | schema = NULL; | |
0a3b723b | 653 | } else { |
1b1d2e6d BP |
654 | struct json *txn_json; |
655 | error = ovsdb_storage_read(storage, &schema, &txn_json, NULL); | |
656 | if (error) { | |
657 | ovsdb_storage_close(storage); | |
658 | return error; | |
659 | } | |
660 | ovs_assert(schema && !txn_json); | |
eeb36a52 | 661 | } |
1b1d2e6d BP |
662 | db->db = ovsdb_create(schema, storage); |
663 | ovsdb_jsonrpc_server_add_db(config->jsonrpc, db->db); | |
eeb36a52 | 664 | |
695e8150 HZ |
665 | /* Enable txn history for clustered mode. It is not enabled for other mode |
666 | * for now, since txn id is available for clustered mode only. */ | |
667 | if (ovsdb_storage_is_clustered(storage)) { | |
668 | ovsdb_txn_history_init(db->db); | |
669 | } | |
1b1d2e6d BP |
670 | read_db(config, db); |
671 | ||
672 | error = (db->db->name[0] == '_' | |
673 | ? ovsdb_error(NULL, "%s: names beginning with \"_\" are reserved", | |
674 | db->db->name) | |
675 | : shash_find(config->all_dbs, db->db->name) | |
676 | ? ovsdb_error(NULL, "%s: duplicate database name", db->db->name) | |
677 | : NULL); | |
678 | if (error) { | |
679 | char *error_s = ovsdb_error_to_string(error); | |
680 | close_db(config, db, | |
681 | xasprintf("cannot complete opening %s database (%s)", | |
682 | db->db->name, error_s)); | |
683 | free(error_s); | |
684 | return error; | |
685 | } | |
686 | ||
687 | add_db(config, db); | |
688 | return NULL; | |
eeb36a52 GS |
689 | } |
690 | ||
6bb9b060 BP |
691 | /* Add the internal _Server database to the server configuration. */ |
692 | static void | |
693 | add_server_db(struct server_config *config) | |
694 | { | |
695 | struct json *schema_json = json_from_string( | |
696 | #include "ovsdb/_server.ovsschema.inc" | |
697 | ); | |
698 | ovs_assert(schema_json->type == JSON_OBJECT); | |
699 | ||
700 | struct ovsdb_schema *schema; | |
701 | struct ovsdb_error *error OVS_UNUSED = ovsdb_schema_from_json(schema_json, | |
702 | &schema); | |
703 | ovs_assert(!error); | |
704 | json_destroy(schema_json); | |
705 | ||
706 | struct db *db = xzalloc(sizeof *db); | |
695e8150 HZ |
707 | /* We don't need txn_history for server_db. */ |
708 | ||
6bb9b060 | 709 | db->filename = xstrdup("<internal>"); |
1b1d2e6d BP |
710 | db->db = ovsdb_create(schema, ovsdb_storage_create_unbacked()); |
711 | bool ok OVS_UNUSED = ovsdb_jsonrpc_server_add_db(config->jsonrpc, db->db); | |
712 | ovs_assert(ok); | |
713 | add_db(config, db); | |
6bb9b060 BP |
714 | } |
715 | ||
cab50449 | 716 | static char * OVS_WARN_UNUSED_RESULT |
eeb36a52 | 717 | parse_db_column__(const struct shash *all_dbs, |
c02cf07b BP |
718 | const char *name_, char *name, |
719 | const struct db **dbp, | |
720 | const struct ovsdb_table **tablep, | |
721 | const struct ovsdb_column **columnp) | |
0b1fae1b | 722 | { |
fb6de52c | 723 | const char *db_name, *table_name, *column_name; |
b4e8d170 | 724 | const char *tokens[3]; |
0b1fae1b BP |
725 | char *save_ptr = NULL; |
726 | ||
c02cf07b BP |
727 | *dbp = NULL; |
728 | *tablep = NULL; | |
729 | *columnp = NULL; | |
730 | ||
b0ef0551 | 731 | strtok_r(name, ":", &save_ptr); /* "db:" */ |
b4e8d170 BP |
732 | tokens[0] = strtok_r(NULL, ",", &save_ptr); |
733 | tokens[1] = strtok_r(NULL, ",", &save_ptr); | |
734 | tokens[2] = strtok_r(NULL, ",", &save_ptr); | |
fb6de52c | 735 | if (!tokens[0] || !tokens[1] || !tokens[2]) { |
c02cf07b | 736 | return xasprintf("\"%s\": invalid syntax", name_); |
0b1fae1b | 737 | } |
b4e8d170 | 738 | |
fb6de52c GS |
739 | db_name = tokens[0]; |
740 | table_name = tokens[1]; | |
741 | column_name = tokens[2]; | |
742 | ||
1b1d2e6d BP |
743 | *dbp = shash_find_data(all_dbs, tokens[0]); |
744 | if (!*dbp) { | |
fb6de52c | 745 | return xasprintf("\"%s\": no database named %s", name_, db_name); |
b4e8d170 | 746 | } |
0b1fae1b | 747 | |
1b1d2e6d BP |
748 | *tablep = ovsdb_get_table((*dbp)->db, table_name); |
749 | if (!*tablep) { | |
c02cf07b | 750 | return xasprintf("\"%s\": no table named %s", name_, table_name); |
0b1fae1b BP |
751 | } |
752 | ||
1b1d2e6d BP |
753 | *columnp = ovsdb_table_schema_get_column((*tablep)->schema, column_name); |
754 | if (!*columnp) { | |
c02cf07b BP |
755 | return xasprintf("\"%s\": table \"%s\" has no column \"%s\"", |
756 | name_, table_name, column_name); | |
0b1fae1b BP |
757 | } |
758 | ||
c02cf07b | 759 | return NULL; |
94db5407 BP |
760 | } |
761 | ||
c02cf07b BP |
762 | /* Returns NULL if successful, otherwise a malloc()'d string describing the |
763 | * error. */ | |
cab50449 | 764 | static char * OVS_WARN_UNUSED_RESULT |
eeb36a52 | 765 | parse_db_column(const struct shash *all_dbs, |
c02cf07b BP |
766 | const char *name_, |
767 | const struct db **dbp, | |
768 | const struct ovsdb_table **tablep, | |
769 | const struct ovsdb_column **columnp) | |
770 | { | |
771 | char *name = xstrdup(name_); | |
eeb36a52 | 772 | char *retval = parse_db_column__(all_dbs, name_, name, |
c02cf07b BP |
773 | dbp, tablep, columnp); |
774 | free(name); | |
775 | return retval; | |
776 | } | |
777 | ||
778 | /* Returns NULL if successful, otherwise a malloc()'d string describing the | |
779 | * error. */ | |
cab50449 | 780 | static char * OVS_WARN_UNUSED_RESULT |
eeb36a52 | 781 | parse_db_string_column(const struct shash *all_dbs, |
94db5407 | 782 | const char *name, |
b4e8d170 | 783 | const struct db **dbp, |
94db5407 BP |
784 | const struct ovsdb_table **tablep, |
785 | const struct ovsdb_column **columnp) | |
786 | { | |
c02cf07b | 787 | char *retval; |
94db5407 | 788 | |
eeb36a52 | 789 | retval = parse_db_column(all_dbs, name, dbp, tablep, columnp); |
c02cf07b BP |
790 | if (retval) { |
791 | return retval; | |
792 | } | |
94db5407 | 793 | |
c02cf07b BP |
794 | if ((*columnp)->type.key.type != OVSDB_TYPE_STRING |
795 | || (*columnp)->type.value.type != OVSDB_TYPE_VOID) { | |
796 | return xasprintf("\"%s\": table \"%s\" column \"%s\" is " | |
797 | "not string or set of strings", | |
798 | name, (*tablep)->schema->name, (*columnp)->name); | |
78876719 BP |
799 | } |
800 | ||
c02cf07b | 801 | return NULL; |
78876719 BP |
802 | } |
803 | ||
0a3b723b BP |
804 | static const char * |
805 | query_db_string(const struct shash *all_dbs, const char *name, | |
806 | struct ds *errors) | |
78876719 BP |
807 | { |
808 | if (!name || strncmp(name, "db:", 3)) { | |
809 | return name; | |
810 | } else { | |
811 | const struct ovsdb_column *column; | |
812 | const struct ovsdb_table *table; | |
813 | const struct ovsdb_row *row; | |
b4e8d170 | 814 | const struct db *db; |
c02cf07b | 815 | char *retval; |
78876719 | 816 | |
eeb36a52 | 817 | retval = parse_db_string_column(all_dbs, name, |
c02cf07b BP |
818 | &db, &table, &column); |
819 | if (retval) { | |
1b1d2e6d BP |
820 | if (db && !db->db->schema) { |
821 | /* 'db' is a clustered database but it hasn't connected to the | |
822 | * cluster yet, so we can't get anything out of it, not even a | |
823 | * schema. Not really an error. */ | |
824 | } else { | |
825 | ds_put_format(errors, "%s\n", retval); | |
826 | } | |
0ded15d4 | 827 | free(retval); |
0a3b723b | 828 | return NULL; |
c02cf07b | 829 | } |
78876719 | 830 | |
4e8e4213 | 831 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { |
78876719 BP |
832 | const struct ovsdb_datum *datum; |
833 | size_t i; | |
834 | ||
835 | datum = &row->fields[column->index]; | |
836 | for (i = 0; i < datum->n; i++) { | |
837 | if (datum->keys[i].string[0]) { | |
838 | return datum->keys[i].string; | |
839 | } | |
840 | } | |
841 | } | |
842 | return NULL; | |
0b1fae1b | 843 | } |
78876719 BP |
844 | } |
845 | ||
94db5407 BP |
846 | static struct ovsdb_jsonrpc_options * |
847 | add_remote(struct shash *remotes, const char *target) | |
848 | { | |
849 | struct ovsdb_jsonrpc_options *options; | |
850 | ||
851 | options = shash_find_data(remotes, target); | |
852 | if (!options) { | |
f1936eb6 | 853 | options = ovsdb_jsonrpc_default_options(target); |
94db5407 BP |
854 | shash_add(remotes, target, options); |
855 | } | |
856 | ||
857 | return options; | |
858 | } | |
859 | ||
ed9d4380 YS |
860 | static void |
861 | free_remotes(struct shash *remotes) | |
862 | { | |
863 | if (remotes) { | |
864 | struct shash_node *node; | |
865 | ||
866 | SHASH_FOR_EACH (node, remotes) { | |
867 | struct ovsdb_jsonrpc_options *options = node->data; | |
868 | free(options->role); | |
869 | } | |
870 | shash_destroy_free_data(remotes); | |
871 | } | |
872 | } | |
873 | ||
94db5407 BP |
874 | /* Adds a remote and options to 'remotes', based on the Manager table row in |
875 | * 'row'. */ | |
876 | static void | |
877 | add_manager_options(struct shash *remotes, const struct ovsdb_row *row) | |
878 | { | |
879 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
880 | struct ovsdb_jsonrpc_options *options; | |
881 | long long int max_backoff, probe_interval; | |
9c1a1182 | 882 | bool read_only; |
d6db7b3c | 883 | const char *target, *dscp_string, *role; |
94db5407 | 884 | |
40e66ba7 | 885 | if (!ovsdb_util_read_string_column(row, "target", &target) || !target) { |
94db5407 BP |
886 | VLOG_INFO_RL(&rl, "Table `%s' has missing or invalid `target' column", |
887 | row->table->schema->name); | |
888 | return; | |
889 | } | |
890 | ||
891 | options = add_remote(remotes, target); | |
40e66ba7 | 892 | if (ovsdb_util_read_integer_column(row, "max_backoff", &max_backoff)) { |
94db5407 BP |
893 | options->max_backoff = max_backoff; |
894 | } | |
40e66ba7 LR |
895 | if (ovsdb_util_read_integer_column(row, "inactivity_probe", |
896 | &probe_interval)) { | |
94db5407 BP |
897 | options->probe_interval = probe_interval; |
898 | } | |
40e66ba7 | 899 | if (ovsdb_util_read_bool_column(row, "read_only", &read_only)) { |
9c1a1182 LR |
900 | options->read_only = read_only; |
901 | } | |
f125905c | 902 | |
d6db7b3c LR |
903 | free(options->role); |
904 | options->role = NULL; | |
905 | if (ovsdb_util_read_string_column(row, "role", &role) && role) { | |
906 | options->role = xstrdup(role); | |
907 | } | |
908 | ||
cea15768 | 909 | options->dscp = DSCP_DEFAULT; |
40e66ba7 LR |
910 | dscp_string = ovsdb_util_read_map_string_column(row, "other_config", |
911 | "dscp"); | |
cea15768 EJ |
912 | if (dscp_string) { |
913 | int dscp = atoi(dscp_string); | |
914 | if (dscp >= 0 && dscp <= 63) { | |
915 | options->dscp = dscp; | |
916 | } | |
917 | } | |
94db5407 BP |
918 | } |
919 | ||
78876719 | 920 | static void |
eeb36a52 | 921 | query_db_remotes(const char *name, const struct shash *all_dbs, |
0a3b723b | 922 | struct shash *remotes, struct ds *errors) |
78876719 BP |
923 | { |
924 | const struct ovsdb_column *column; | |
925 | const struct ovsdb_table *table; | |
926 | const struct ovsdb_row *row; | |
b4e8d170 | 927 | const struct db *db; |
c02cf07b | 928 | char *retval; |
78876719 | 929 | |
eeb36a52 | 930 | retval = parse_db_column(all_dbs, name, &db, &table, &column); |
c02cf07b | 931 | if (retval) { |
1b1d2e6d BP |
932 | if (db && !db->db->schema) { |
933 | /* 'db' is a clustered database but it hasn't connected to the | |
934 | * cluster yet, so we can't get anything out of it, not even a | |
935 | * schema. Not really an error. */ | |
936 | } else { | |
937 | ds_put_format(errors, "%s\n", retval); | |
938 | } | |
0a3b723b BP |
939 | free(retval); |
940 | return; | |
c02cf07b | 941 | } |
0b1fae1b | 942 | |
94db5407 BP |
943 | if (column->type.key.type == OVSDB_TYPE_STRING |
944 | && column->type.value.type == OVSDB_TYPE_VOID) { | |
945 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
946 | const struct ovsdb_datum *datum; | |
947 | size_t i; | |
948 | ||
949 | datum = &row->fields[column->index]; | |
950 | for (i = 0; i < datum->n; i++) { | |
951 | add_remote(remotes, datum->keys[i].string); | |
952 | } | |
953 | } | |
954 | } else if (column->type.key.type == OVSDB_TYPE_UUID | |
fa37affa | 955 | && column->type.key.uuid.refTable |
94db5407 | 956 | && column->type.value.type == OVSDB_TYPE_VOID) { |
fa37affa | 957 | const struct ovsdb_table *ref_table = column->type.key.uuid.refTable; |
94db5407 BP |
958 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { |
959 | const struct ovsdb_datum *datum; | |
960 | size_t i; | |
961 | ||
962 | datum = &row->fields[column->index]; | |
963 | for (i = 0; i < datum->n; i++) { | |
964 | const struct ovsdb_row *ref_row; | |
0b1fae1b | 965 | |
94db5407 BP |
966 | ref_row = ovsdb_table_get_row(ref_table, &datum->keys[i].uuid); |
967 | if (ref_row) { | |
968 | add_manager_options(remotes, ref_row); | |
969 | } | |
970 | } | |
0b1fae1b BP |
971 | } |
972 | } | |
973 | } | |
974 | ||
0b3e7a8b AE |
975 | static void |
976 | update_remote_row(const struct ovsdb_row *row, struct ovsdb_txn *txn, | |
87fcbc60 | 977 | const struct ovsdb_jsonrpc_server *jsonrpc) |
0b3e7a8b | 978 | { |
87fcbc60 | 979 | struct ovsdb_jsonrpc_remote_status status; |
0b3e7a8b AE |
980 | struct ovsdb_row *rw_row; |
981 | const char *target; | |
798e1352 | 982 | char *keys[9], *values[9]; |
0b3e7a8b AE |
983 | size_t n = 0; |
984 | ||
985 | /* Get the "target" (protocol/host/port) spec. */ | |
40e66ba7 | 986 | if (!ovsdb_util_read_string_column(row, "target", &target)) { |
0b3e7a8b AE |
987 | /* Bad remote spec or incorrect schema. */ |
988 | return; | |
989 | } | |
0b3e7a8b | 990 | rw_row = ovsdb_txn_row_modify(txn, row); |
87fcbc60 | 991 | ovsdb_jsonrpc_server_get_remote_status(jsonrpc, target, &status); |
0b3e7a8b AE |
992 | |
993 | /* Update status information columns. */ | |
40e66ba7 | 994 | ovsdb_util_write_bool_column(rw_row, "is_connected", status.is_connected); |
0b3e7a8b | 995 | |
87fcbc60 BP |
996 | if (status.state) { |
997 | keys[n] = xstrdup("state"); | |
998 | values[n++] = xstrdup(status.state); | |
999 | } | |
1000 | if (status.sec_since_connect != UINT_MAX) { | |
5eda645e | 1001 | keys[n] = xstrdup("sec_since_connect"); |
87fcbc60 | 1002 | values[n++] = xasprintf("%u", status.sec_since_connect); |
5eda645e | 1003 | } |
87fcbc60 | 1004 | if (status.sec_since_disconnect != UINT_MAX) { |
5eda645e | 1005 | keys[n] = xstrdup("sec_since_disconnect"); |
87fcbc60 | 1006 | values[n++] = xasprintf("%u", status.sec_since_disconnect); |
5eda645e | 1007 | } |
87fcbc60 | 1008 | if (status.last_error) { |
0b3e7a8b AE |
1009 | keys[n] = xstrdup("last_error"); |
1010 | values[n++] = | |
87fcbc60 | 1011 | xstrdup(ovs_retval_to_string(status.last_error)); |
0b3e7a8b | 1012 | } |
da897f41 BP |
1013 | if (status.locks_held && status.locks_held[0]) { |
1014 | keys[n] = xstrdup("locks_held"); | |
1015 | values[n++] = xstrdup(status.locks_held); | |
1016 | } | |
1017 | if (status.locks_waiting && status.locks_waiting[0]) { | |
1018 | keys[n] = xstrdup("locks_waiting"); | |
1019 | values[n++] = xstrdup(status.locks_waiting); | |
1020 | } | |
1021 | if (status.locks_lost && status.locks_lost[0]) { | |
1022 | keys[n] = xstrdup("locks_lost"); | |
1023 | values[n++] = xstrdup(status.locks_lost); | |
1024 | } | |
a11f6164 BP |
1025 | if (status.n_connections > 1) { |
1026 | keys[n] = xstrdup("n_connections"); | |
1027 | values[n++] = xasprintf("%d", status.n_connections); | |
1028 | } | |
798e1352 BP |
1029 | if (status.bound_port != htons(0)) { |
1030 | keys[n] = xstrdup("bound_port"); | |
1031 | values[n++] = xasprintf("%"PRIu16, ntohs(status.bound_port)); | |
1032 | } | |
40e66ba7 | 1033 | ovsdb_util_write_string_string_column(rw_row, "status", keys, values, n); |
da897f41 BP |
1034 | |
1035 | ovsdb_jsonrpc_server_free_remote_status(&status); | |
0b3e7a8b AE |
1036 | } |
1037 | ||
1038 | static void | |
99b09c63 | 1039 | update_remote_rows(const struct shash *all_dbs, const struct db *db_, |
87fcbc60 | 1040 | const char *remote_name, |
99b09c63 BP |
1041 | const struct ovsdb_jsonrpc_server *jsonrpc, |
1042 | struct ovsdb_txn *txn) | |
0b3e7a8b AE |
1043 | { |
1044 | const struct ovsdb_table *table, *ref_table; | |
1045 | const struct ovsdb_column *column; | |
1046 | const struct ovsdb_row *row; | |
b4e8d170 | 1047 | const struct db *db; |
c02cf07b | 1048 | char *retval; |
0b3e7a8b AE |
1049 | |
1050 | if (strncmp("db:", remote_name, 3)) { | |
1051 | return; | |
1052 | } | |
1053 | ||
eeb36a52 | 1054 | retval = parse_db_column(all_dbs, remote_name, &db, &table, &column); |
c02cf07b | 1055 | if (retval) { |
0a3b723b BP |
1056 | free(retval); |
1057 | return; | |
c02cf07b | 1058 | } |
0b3e7a8b | 1059 | |
99b09c63 BP |
1060 | if (db != db_ |
1061 | || column->type.key.type != OVSDB_TYPE_UUID | |
fa37affa | 1062 | || !column->type.key.uuid.refTable |
0b3e7a8b AE |
1063 | || column->type.value.type != OVSDB_TYPE_VOID) { |
1064 | return; | |
1065 | } | |
1066 | ||
fa37affa | 1067 | ref_table = column->type.key.uuid.refTable; |
0b3e7a8b AE |
1068 | |
1069 | HMAP_FOR_EACH (row, hmap_node, &table->rows) { | |
1070 | const struct ovsdb_datum *datum; | |
1071 | size_t i; | |
1072 | ||
1073 | datum = &row->fields[column->index]; | |
1074 | for (i = 0; i < datum->n; i++) { | |
1075 | const struct ovsdb_row *ref_row; | |
1076 | ||
1077 | ref_row = ovsdb_table_get_row(ref_table, &datum->keys[i].uuid); | |
1078 | if (ref_row) { | |
99b09c63 | 1079 | update_remote_row(ref_row, txn, jsonrpc); |
0b3e7a8b AE |
1080 | } |
1081 | } | |
1082 | } | |
1083 | } | |
1084 | ||
6bb9b060 BP |
1085 | static void |
1086 | commit_txn(struct ovsdb_txn *txn, const char *name) | |
1087 | { | |
1b1d2e6d | 1088 | struct ovsdb_error *error = ovsdb_txn_propose_commit_block(txn, false); |
6bb9b060 BP |
1089 | if (error) { |
1090 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
1091 | char *msg = ovsdb_error_to_string_free(error); | |
1092 | VLOG_ERR_RL(&rl, "Failed to update %s: %s", name, msg); | |
1093 | free(msg); | |
1094 | } | |
1095 | } | |
1096 | ||
0b3e7a8b AE |
1097 | static void |
1098 | update_remote_status(const struct ovsdb_jsonrpc_server *jsonrpc, | |
b4e8d170 | 1099 | const struct sset *remotes, |
eeb36a52 | 1100 | struct shash *all_dbs) |
0b3e7a8b | 1101 | { |
eeb36a52 | 1102 | struct shash_node *node; |
99b09c63 BP |
1103 | SHASH_FOR_EACH (node, all_dbs) { |
1104 | struct db *db = node->data; | |
1b1d2e6d BP |
1105 | if (!db->db || ovsdb_storage_is_clustered(db->db->storage)) { |
1106 | continue; | |
1107 | } | |
0b3e7a8b | 1108 | |
1b1d2e6d | 1109 | struct ovsdb_txn *txn = ovsdb_txn_create(db->db); |
99b09c63 BP |
1110 | const char *remote; |
1111 | SSET_FOR_EACH (remote, remotes) { | |
1112 | update_remote_rows(all_dbs, db, remote, jsonrpc, txn); | |
1113 | } | |
1b1d2e6d | 1114 | commit_txn(txn, "remote status"); |
6bb9b060 BP |
1115 | } |
1116 | } | |
1117 | ||
1118 | /* Updates 'row', a row in the _Server database's Database table, to match | |
1119 | * 'db'. */ | |
1120 | static void | |
1121 | update_database_status(struct ovsdb_row *row, struct db *db) | |
1122 | { | |
1b1d2e6d BP |
1123 | ovsdb_util_write_string_column(row, "name", db->db->name); |
1124 | ovsdb_util_write_string_column(row, "model", | |
1125 | ovsdb_storage_get_model(db->db->storage)); | |
1126 | ovsdb_util_write_bool_column(row, "connected", | |
1127 | ovsdb_storage_is_connected(db->db->storage)); | |
1128 | ovsdb_util_write_bool_column(row, "leader", | |
1129 | ovsdb_storage_is_leader(db->db->storage)); | |
1130 | ovsdb_util_write_uuid_column(row, "cid", | |
1131 | ovsdb_storage_get_cid(db->db->storage)); | |
1132 | ovsdb_util_write_uuid_column(row, "sid", | |
1133 | ovsdb_storage_get_sid(db->db->storage)); | |
1134 | ||
1135 | uint64_t index = ovsdb_storage_get_applied_index(db->db->storage); | |
1136 | if (index) { | |
1137 | ovsdb_util_write_integer_column(row, "index", index); | |
1138 | } else { | |
1139 | ovsdb_util_clear_column(row, "index"); | |
1140 | } | |
6bb9b060 BP |
1141 | |
1142 | const struct uuid *row_uuid = ovsdb_row_get_uuid(row); | |
1143 | if (!uuid_equals(row_uuid, &db->row_uuid)) { | |
1144 | db->row_uuid = *row_uuid; | |
1145 | ||
1146 | /* The schema can only change if the row UUID changes, so only update | |
1147 | * it in that case. Presumably, this is worth optimizing because | |
1148 | * schemas are often kilobytes in size and nontrivial to serialize. */ | |
1b1d2e6d BP |
1149 | char *schema = NULL; |
1150 | if (db->db->schema) { | |
1151 | struct json *json_schema = ovsdb_schema_to_json(db->db->schema); | |
1152 | schema = json_to_string(json_schema, JSSF_SORT); | |
1153 | json_destroy(json_schema); | |
1154 | } | |
6bb9b060 BP |
1155 | ovsdb_util_write_string_column(row, "schema", schema); |
1156 | free(schema); | |
6bb9b060 BP |
1157 | } |
1158 | } | |
1159 | ||
1160 | /* Updates the Database table in the _Server database. */ | |
1161 | static void | |
1162 | update_server_status(struct shash *all_dbs) | |
1163 | { | |
1164 | struct db *server_db = shash_find_data(all_dbs, "_Server"); | |
1165 | struct ovsdb_table *database_table = shash_find_data( | |
1166 | &server_db->db->tables, "Database"); | |
1167 | struct ovsdb_txn *txn = ovsdb_txn_create(server_db->db); | |
1168 | ||
1169 | /* Update rows for databases that still exist. | |
1170 | * Delete rows for databases that no longer exist. */ | |
1171 | const struct ovsdb_row *row, *next_row; | |
1172 | HMAP_FOR_EACH_SAFE (row, next_row, hmap_node, &database_table->rows) { | |
1173 | const char *name; | |
1174 | ovsdb_util_read_string_column(row, "name", &name); | |
1175 | struct db *db = shash_find_data(all_dbs, name); | |
1176 | if (!db || !db->db) { | |
1177 | ovsdb_txn_row_delete(txn, row); | |
1178 | } else { | |
1179 | update_database_status(ovsdb_txn_row_modify(txn, row), db); | |
b4e8d170 | 1180 | } |
0b3e7a8b | 1181 | } |
6bb9b060 BP |
1182 | |
1183 | /* Add rows for new databases. | |
1184 | * | |
1185 | * This is O(n**2) but usually there are only 2 or 3 databases. */ | |
1186 | struct shash_node *node; | |
1187 | SHASH_FOR_EACH (node, all_dbs) { | |
1188 | struct db *db = node->data; | |
1189 | ||
1190 | if (!db->db) { | |
1191 | continue; | |
1192 | } | |
1193 | ||
1194 | HMAP_FOR_EACH (row, hmap_node, &database_table->rows) { | |
1195 | const char *name; | |
1196 | ovsdb_util_read_string_column(row, "name", &name); | |
1197 | if (!strcmp(name, node->name)) { | |
1198 | goto next; | |
1199 | } | |
1200 | } | |
1201 | ||
1202 | /* Add row. */ | |
1b1d2e6d BP |
1203 | struct ovsdb_row *new_row = ovsdb_row_create(database_table); |
1204 | uuid_generate(ovsdb_row_get_uuid_rw(new_row)); | |
1205 | update_database_status(new_row, db); | |
1206 | ovsdb_txn_row_insert(txn, new_row); | |
6bb9b060 BP |
1207 | |
1208 | next:; | |
1209 | } | |
1210 | ||
1211 | commit_txn(txn, "_Server"); | |
0b3e7a8b AE |
1212 | } |
1213 | ||
0a3b723b BP |
1214 | /* Reconfigures ovsdb-server's remotes based on information in the database. */ |
1215 | static char * | |
1216 | reconfigure_remotes(struct ovsdb_jsonrpc_server *jsonrpc, | |
eeb36a52 | 1217 | const struct shash *all_dbs, struct sset *remotes) |
0b1fae1b | 1218 | { |
0a3b723b | 1219 | struct ds errors = DS_EMPTY_INITIALIZER; |
0b1fae1b | 1220 | struct shash resolved_remotes; |
b3c01ed3 | 1221 | const char *name; |
0b1fae1b | 1222 | |
78876719 | 1223 | /* Configure remotes. */ |
0b1fae1b | 1224 | shash_init(&resolved_remotes); |
b3c01ed3 | 1225 | SSET_FOR_EACH (name, remotes) { |
0b1fae1b | 1226 | if (!strncmp(name, "db:", 3)) { |
0a3b723b | 1227 | query_db_remotes(name, all_dbs, &resolved_remotes, &errors); |
0b1fae1b | 1228 | } else { |
94db5407 | 1229 | add_remote(&resolved_remotes, name); |
0b1fae1b BP |
1230 | } |
1231 | } | |
1232 | ovsdb_jsonrpc_server_set_remotes(jsonrpc, &resolved_remotes); | |
ed9d4380 | 1233 | free_remotes(&resolved_remotes); |
0b1fae1b | 1234 | |
0a3b723b BP |
1235 | return errors.string; |
1236 | } | |
1237 | ||
1238 | static char * | |
1239 | reconfigure_ssl(const struct shash *all_dbs) | |
1240 | { | |
1241 | struct ds errors = DS_EMPTY_INITIALIZER; | |
1242 | const char *resolved_private_key; | |
1243 | const char *resolved_certificate; | |
1244 | const char *resolved_ca_cert; | |
e18a1d08 ER |
1245 | const char *resolved_ssl_protocols; |
1246 | const char *resolved_ssl_ciphers; | |
0a3b723b BP |
1247 | |
1248 | resolved_private_key = query_db_string(all_dbs, private_key_file, &errors); | |
1249 | resolved_certificate = query_db_string(all_dbs, certificate_file, &errors); | |
1250 | resolved_ca_cert = query_db_string(all_dbs, ca_cert_file, &errors); | |
e18a1d08 ER |
1251 | resolved_ssl_protocols = query_db_string(all_dbs, ssl_protocols, &errors); |
1252 | resolved_ssl_ciphers = query_db_string(all_dbs, ssl_ciphers, &errors); | |
0a3b723b BP |
1253 | |
1254 | stream_ssl_set_key_and_cert(resolved_private_key, resolved_certificate); | |
1255 | stream_ssl_set_ca_cert_file(resolved_ca_cert, bootstrap_ca_cert); | |
e18a1d08 ER |
1256 | stream_ssl_set_protocols(resolved_ssl_protocols); |
1257 | stream_ssl_set_ciphers(resolved_ssl_ciphers); | |
0a3b723b BP |
1258 | |
1259 | return errors.string; | |
1260 | } | |
1261 | ||
1262 | static void | |
1263 | report_error_if_changed(char *error, char **last_errorp) | |
1264 | { | |
1265 | if (error) { | |
1266 | if (!*last_errorp || strcmp(error, *last_errorp)) { | |
1267 | VLOG_WARN("%s", error); | |
1268 | free(*last_errorp); | |
1269 | *last_errorp = error; | |
1270 | return; | |
1271 | } | |
1272 | free(error); | |
1273 | } else { | |
1274 | free(*last_errorp); | |
1275 | *last_errorp = NULL; | |
1276 | } | |
78876719 | 1277 | } |
0b1fae1b | 1278 | |
9dc05cdc | 1279 | static void |
f53d7518 | 1280 | ovsdb_server_set_active_ovsdb_server(struct unixctl_conn *conn, |
9dc05cdc | 1281 | int argc OVS_UNUSED, const char *argv[], |
60e0cd04 | 1282 | void *config_) |
9dc05cdc | 1283 | { |
60e0cd04 AZ |
1284 | struct server_config *config = config_; |
1285 | ||
1286 | if (*config->sync_from) { | |
1287 | free(*config->sync_from); | |
1288 | } | |
1289 | *config->sync_from = xstrdup(argv[1]); | |
1290 | save_config(config); | |
1291 | ||
9dc05cdc MC |
1292 | unixctl_command_reply(conn, NULL); |
1293 | } | |
1294 | ||
1295 | static void | |
f53d7518 | 1296 | ovsdb_server_get_active_ovsdb_server(struct unixctl_conn *conn, |
9dc05cdc MC |
1297 | int argc OVS_UNUSED, |
1298 | const char *argv[] OVS_UNUSED, | |
60e0cd04 | 1299 | void *config_ ) |
9dc05cdc | 1300 | { |
60e0cd04 AZ |
1301 | struct server_config *config = config_; |
1302 | ||
1303 | unixctl_command_reply(conn, *config->sync_from); | |
9dc05cdc MC |
1304 | } |
1305 | ||
1306 | static void | |
f53d7518 | 1307 | ovsdb_server_connect_active_ovsdb_server(struct unixctl_conn *conn, |
9dc05cdc MC |
1308 | int argc OVS_UNUSED, |
1309 | const char *argv[] OVS_UNUSED, | |
60e0cd04 | 1310 | void *config_) |
9dc05cdc | 1311 | { |
60e0cd04 AZ |
1312 | struct server_config *config = config_; |
1313 | char *msg = NULL; | |
6ab3dd96 | 1314 | |
60e0cd04 AZ |
1315 | if ( !*config->sync_from) { |
1316 | msg = "Unable to connect: active server is not specified.\n"; | |
1317 | } else { | |
05ac209a AZ |
1318 | const struct uuid *server_uuid; |
1319 | server_uuid = ovsdb_jsonrpc_server_get_uuid(config->jsonrpc); | |
60e0cd04 | 1320 | ovsdb_replication_init(*config->sync_from, *config->sync_exclude, |
05ac209a | 1321 | config->all_dbs, server_uuid); |
60e0cd04 AZ |
1322 | if (!*config->is_backup) { |
1323 | *config->is_backup = true; | |
1324 | save_config(config); | |
1325 | } | |
9dc05cdc | 1326 | } |
60e0cd04 | 1327 | unixctl_command_reply(conn, msg); |
9dc05cdc MC |
1328 | } |
1329 | ||
1330 | static void | |
f53d7518 | 1331 | ovsdb_server_disconnect_active_ovsdb_server(struct unixctl_conn *conn, |
9dc05cdc MC |
1332 | int argc OVS_UNUSED, |
1333 | const char *argv[] OVS_UNUSED, | |
60e0cd04 | 1334 | void *config_) |
9dc05cdc | 1335 | { |
60e0cd04 AZ |
1336 | struct server_config *config = config_; |
1337 | ||
f53d7518 | 1338 | disconnect_active_server(); |
60e0cd04 AZ |
1339 | *config->is_backup = false; |
1340 | save_config(config); | |
9dc05cdc MC |
1341 | unixctl_command_reply(conn, NULL); |
1342 | } | |
1343 | ||
1344 | static void | |
60e0cd04 AZ |
1345 | ovsdb_server_set_sync_exclude_tables(struct unixctl_conn *conn, |
1346 | int argc OVS_UNUSED, | |
1347 | const char *argv[], | |
1348 | void *config_) | |
9dc05cdc | 1349 | { |
60e0cd04 | 1350 | struct server_config *config = config_; |
3109b4e1 | 1351 | |
60e0cd04 | 1352 | char *err = set_blacklist_tables(argv[1], true); |
3109b4e1 | 1353 | if (!err) { |
60e0cd04 AZ |
1354 | free(*config->sync_exclude); |
1355 | *config->sync_exclude = xstrdup(argv[1]); | |
1356 | save_config(config); | |
1357 | if (*config->is_backup) { | |
05ac209a AZ |
1358 | const struct uuid *server_uuid; |
1359 | server_uuid = ovsdb_jsonrpc_server_get_uuid(config->jsonrpc); | |
60e0cd04 | 1360 | ovsdb_replication_init(*config->sync_from, *config->sync_exclude, |
05ac209a | 1361 | config->all_dbs, server_uuid); |
3109b4e1 AZ |
1362 | } |
1363 | err = set_blacklist_tables(argv[1], false); | |
1364 | } | |
1365 | unixctl_command_reply(conn, err); | |
1366 | free(err); | |
9dc05cdc MC |
1367 | } |
1368 | ||
1369 | static void | |
60e0cd04 AZ |
1370 | ovsdb_server_get_sync_exclude_tables(struct unixctl_conn *conn, |
1371 | int argc OVS_UNUSED, | |
1372 | const char *argv[] OVS_UNUSED, | |
1373 | void *arg_ OVS_UNUSED) | |
9dc05cdc | 1374 | { |
5975d1fc BP |
1375 | char *reply = get_blacklist_tables(); |
1376 | unixctl_command_reply(conn, reply); | |
1377 | free(reply); | |
9dc05cdc MC |
1378 | } |
1379 | ||
aa78de9d | 1380 | static void |
0e15264f BP |
1381 | ovsdb_server_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, |
1382 | const char *argv[] OVS_UNUSED, | |
aa78de9d BP |
1383 | void *exiting_) |
1384 | { | |
1385 | bool *exiting = exiting_; | |
1386 | *exiting = true; | |
bde9f75d | 1387 | unixctl_command_reply(conn, NULL); |
97a3c435 AZ |
1388 | } |
1389 | ||
1390 | static void | |
1391 | ovsdb_server_perf_counters_show(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1392 | const char *argv[] OVS_UNUSED, | |
1393 | void *arg_ OVS_UNUSED) | |
1394 | { | |
1395 | char *s = perf_counters_to_string(); | |
1396 | ||
1397 | unixctl_command_reply(conn, s); | |
1398 | free(s); | |
1399 | } | |
1400 | ||
1401 | static void | |
1402 | ovsdb_server_perf_counters_clear(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1403 | const char *argv[] OVS_UNUSED, | |
1404 | void *arg_ OVS_UNUSED) | |
1405 | { | |
1406 | perf_counters_clear(); | |
1407 | unixctl_command_reply(conn, NULL); | |
aa78de9d BP |
1408 | } |
1409 | ||
c383f3bf | 1410 | /* "ovsdb-server/disable-monitor-cond": makes ovsdb-server drop all of its |
e47cb14c | 1411 | * JSON-RPC connections and reconnect. New sessions will not recognize |
c383f3bf | 1412 | * the 'monitor_cond' method. */ |
e47cb14c | 1413 | static void |
c383f3bf LS |
1414 | ovsdb_server_disable_monitor_cond(struct unixctl_conn *conn, |
1415 | int argc OVS_UNUSED, | |
1416 | const char *argv[] OVS_UNUSED, | |
1417 | void *jsonrpc_) | |
e47cb14c AZ |
1418 | { |
1419 | struct ovsdb_jsonrpc_server *jsonrpc = jsonrpc_; | |
1420 | ||
c383f3bf | 1421 | ovsdb_jsonrpc_disable_monitor_cond(); |
1b1d2e6d | 1422 | ovsdb_jsonrpc_server_reconnect( |
ab662236 | 1423 | jsonrpc, true, xstrdup("user ran ovsdb-server/disable-monitor-cond")); |
e47cb14c AZ |
1424 | unixctl_command_reply(conn, NULL); |
1425 | } | |
1426 | ||
ada496b5 | 1427 | static void |
b4e8d170 BP |
1428 | ovsdb_server_compact(struct unixctl_conn *conn, int argc, |
1429 | const char *argv[], void *dbs_) | |
ada496b5 | 1430 | { |
bc7bcc40 | 1431 | const char *db_name = argc < 2 ? NULL : argv[1]; |
eeb36a52 | 1432 | struct shash *all_dbs = dbs_; |
b4e8d170 | 1433 | struct ds reply; |
eeb36a52 | 1434 | struct shash_node *node; |
b4e8d170 | 1435 | int n = 0; |
ada496b5 | 1436 | |
bc7bcc40 BP |
1437 | if (db_name && db_name[0] == '_') { |
1438 | unixctl_command_reply_error(conn, "cannot compact built-in databases"); | |
1439 | return; | |
1440 | } | |
1441 | ||
b4e8d170 | 1442 | ds_init(&reply); |
eeb36a52 | 1443 | SHASH_FOR_EACH(node, all_dbs) { |
1b1d2e6d | 1444 | struct db *db = node->data; |
bc7bcc40 BP |
1445 | if (db_name |
1446 | ? !strcmp(node->name, db_name) | |
1447 | : node->name[0] != '_') { | |
1b1d2e6d BP |
1448 | if (db->db) { |
1449 | VLOG_INFO("compacting %s database by user request", | |
1450 | node->name); | |
1451 | ||
1452 | struct ovsdb_error *error = ovsdb_snapshot(db->db); | |
1453 | if (error) { | |
1454 | char *s = ovsdb_error_to_string(error); | |
1455 | ds_put_format(&reply, "%s\n", s); | |
1456 | free(s); | |
1457 | ovsdb_error_destroy(error); | |
1458 | } | |
b4e8d170 | 1459 | |
1b1d2e6d | 1460 | n++; |
b4e8d170 | 1461 | } |
b4e8d170 BP |
1462 | } |
1463 | } | |
1464 | ||
1465 | if (!n) { | |
1466 | unixctl_command_reply_error(conn, "no database by that name"); | |
1467 | } else if (reply.length) { | |
1468 | unixctl_command_reply_error(conn, ds_cstr(&reply)); | |
ada496b5 | 1469 | } else { |
b4e8d170 | 1470 | unixctl_command_reply(conn, NULL); |
ada496b5 | 1471 | } |
b4e8d170 | 1472 | ds_destroy(&reply); |
ada496b5 BP |
1473 | } |
1474 | ||
31d0b6c9 BP |
1475 | /* "ovsdb-server/reconnect": makes ovsdb-server drop all of its JSON-RPC |
1476 | * connections and reconnect. */ | |
1477 | static void | |
0e15264f BP |
1478 | ovsdb_server_reconnect(struct unixctl_conn *conn, int argc OVS_UNUSED, |
1479 | const char *argv[] OVS_UNUSED, void *jsonrpc_) | |
31d0b6c9 BP |
1480 | { |
1481 | struct ovsdb_jsonrpc_server *jsonrpc = jsonrpc_; | |
1b1d2e6d BP |
1482 | ovsdb_jsonrpc_server_reconnect( |
1483 | jsonrpc, true, xstrdup("user ran ovsdb-server/reconnect")); | |
bde9f75d | 1484 | unixctl_command_reply(conn, NULL); |
31d0b6c9 BP |
1485 | } |
1486 | ||
b421d2af BP |
1487 | /* "ovsdb-server/add-remote REMOTE": adds REMOTE to the set of remotes that |
1488 | * ovsdb-server services. */ | |
1489 | static void | |
1490 | ovsdb_server_add_remote(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
0a3b723b | 1491 | const char *argv[], void *config_) |
b421d2af | 1492 | { |
0a3b723b | 1493 | struct server_config *config = config_; |
b421d2af BP |
1494 | const char *remote = argv[1]; |
1495 | ||
1496 | const struct ovsdb_column *column; | |
1497 | const struct ovsdb_table *table; | |
1498 | const struct db *db; | |
1499 | char *retval; | |
1500 | ||
1501 | retval = (strncmp("db:", remote, 3) | |
1502 | ? NULL | |
0a3b723b | 1503 | : parse_db_column(config->all_dbs, remote, |
b421d2af BP |
1504 | &db, &table, &column)); |
1505 | if (!retval) { | |
0a3b723b BP |
1506 | if (sset_add(config->remotes, remote)) { |
1507 | save_config(config); | |
5f36127e | 1508 | } |
b421d2af BP |
1509 | unixctl_command_reply(conn, NULL); |
1510 | } else { | |
1511 | unixctl_command_reply_error(conn, retval); | |
1512 | free(retval); | |
1513 | } | |
1514 | } | |
1515 | ||
1516 | /* "ovsdb-server/remove-remote REMOTE": removes REMOTE frmo the set of remotes | |
1517 | * that ovsdb-server services. */ | |
1518 | static void | |
1519 | ovsdb_server_remove_remote(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
0a3b723b | 1520 | const char *argv[], void *config_) |
b421d2af | 1521 | { |
0a3b723b | 1522 | struct server_config *config = config_; |
b421d2af BP |
1523 | struct sset_node *node; |
1524 | ||
0a3b723b | 1525 | node = sset_find(config->remotes, argv[1]); |
b421d2af | 1526 | if (node) { |
0a3b723b BP |
1527 | sset_delete(config->remotes, node); |
1528 | save_config(config); | |
b421d2af BP |
1529 | unixctl_command_reply(conn, NULL); |
1530 | } else { | |
1531 | unixctl_command_reply_error(conn, "no such remote"); | |
1532 | } | |
1533 | } | |
1534 | ||
1535 | /* "ovsdb-server/list-remotes": outputs a list of configured rmeotes. */ | |
1536 | static void | |
1537 | ovsdb_server_list_remotes(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1538 | const char *argv[] OVS_UNUSED, void *remotes_) | |
1539 | { | |
1540 | struct sset *remotes = remotes_; | |
1541 | const char **list, **p; | |
1542 | struct ds s; | |
1543 | ||
1544 | ds_init(&s); | |
1545 | ||
1546 | list = sset_sort(remotes); | |
1547 | for (p = list; *p; p++) { | |
1548 | ds_put_format(&s, "%s\n", *p); | |
1549 | } | |
1550 | free(list); | |
1551 | ||
1552 | unixctl_command_reply(conn, ds_cstr(&s)); | |
1553 | ds_destroy(&s); | |
1554 | } | |
1555 | ||
0a3b723b BP |
1556 | |
1557 | /* "ovsdb-server/add-db DB": adds the DB to ovsdb-server. */ | |
1558 | static void | |
1559 | ovsdb_server_add_database(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1560 | const char *argv[], void *config_) | |
1561 | { | |
1562 | struct server_config *config = config_; | |
1563 | const char *filename = argv[1]; | |
0a3b723b | 1564 | |
1b1d2e6d | 1565 | char *error = ovsdb_error_to_string_free(open_db(config, filename)); |
0a3b723b BP |
1566 | if (!error) { |
1567 | save_config(config); | |
60e0cd04 | 1568 | if (*config->is_backup) { |
05ac209a AZ |
1569 | const struct uuid *server_uuid; |
1570 | server_uuid = ovsdb_jsonrpc_server_get_uuid(config->jsonrpc); | |
60e0cd04 | 1571 | ovsdb_replication_init(*config->sync_from, *config->sync_exclude, |
05ac209a | 1572 | config->all_dbs, server_uuid); |
23c16b51 | 1573 | } |
0a3b723b BP |
1574 | unixctl_command_reply(conn, NULL); |
1575 | } else { | |
1576 | unixctl_command_reply_error(conn, error); | |
1577 | free(error); | |
1578 | } | |
1579 | } | |
1580 | ||
1581 | static void | |
1b1d2e6d | 1582 | remove_db(struct server_config *config, struct shash_node *node, char *comment) |
0a3b723b | 1583 | { |
10621d79 | 1584 | struct db *db = node->data; |
0a3b723b | 1585 | |
1b1d2e6d | 1586 | close_db(config, db, comment); |
0a3b723b | 1587 | shash_delete(config->all_dbs, node); |
0a3b723b BP |
1588 | |
1589 | save_config(config); | |
60e0cd04 | 1590 | if (*config->is_backup) { |
05ac209a AZ |
1591 | const struct uuid *server_uuid; |
1592 | server_uuid = ovsdb_jsonrpc_server_get_uuid(config->jsonrpc); | |
60e0cd04 | 1593 | ovsdb_replication_init(*config->sync_from, *config->sync_exclude, |
05ac209a | 1594 | config->all_dbs, server_uuid); |
23c16b51 | 1595 | } |
bc7bcc40 BP |
1596 | } |
1597 | ||
1598 | static void | |
1599 | ovsdb_server_remove_database(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1600 | const char *argv[], void *config_) | |
1601 | { | |
1602 | struct server_config *config = config_; | |
1603 | struct shash_node *node; | |
1604 | ||
1605 | node = shash_find(config->all_dbs, argv[1]); | |
1606 | if (!node) { | |
1607 | unixctl_command_reply_error(conn, "Failed to find the database."); | |
1608 | return; | |
1609 | } | |
1610 | if (node->name[0] == '_') { | |
1611 | unixctl_command_reply_error(conn, "Cannot remove reserved database."); | |
1612 | return; | |
1613 | } | |
1614 | ||
1b1d2e6d BP |
1615 | remove_db(config, node, xasprintf("removing %s database by user request", |
1616 | node->name)); | |
0a3b723b BP |
1617 | unixctl_command_reply(conn, NULL); |
1618 | } | |
1619 | ||
1620 | static void | |
1621 | ovsdb_server_list_databases(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1622 | const char *argv[] OVS_UNUSED, void *all_dbs_) | |
1623 | { | |
1624 | struct shash *all_dbs = all_dbs_; | |
1625 | const struct shash_node **nodes; | |
1626 | struct ds s; | |
1627 | size_t i; | |
1628 | ||
1629 | ds_init(&s); | |
1630 | ||
1631 | nodes = shash_sort(all_dbs); | |
1632 | for (i = 0; i < shash_count(all_dbs); i++) { | |
1b1d2e6d BP |
1633 | const struct shash_node *node = nodes[i]; |
1634 | struct db *db = node->data; | |
1635 | if (db->db) { | |
1636 | ds_put_format(&s, "%s\n", node->name); | |
1637 | } | |
0a3b723b BP |
1638 | } |
1639 | free(nodes); | |
1640 | ||
1641 | unixctl_command_reply(conn, ds_cstr(&s)); | |
1642 | ds_destroy(&s); | |
1643 | } | |
1644 | ||
60e0cd04 AZ |
1645 | static void |
1646 | ovsdb_server_get_sync_status(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1647 | const char *argv[] OVS_UNUSED, void *config_) | |
1648 | { | |
1649 | struct server_config *config = config_; | |
1650 | bool is_backup = *config->is_backup; | |
1651 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1652 | ||
1653 | ds_put_format(&ds, "state: %s\n", is_backup ? "backup" : "active"); | |
1654 | ||
1655 | if (is_backup) { | |
1656 | ds_put_and_free_cstr(&ds, replication_status()); | |
1657 | } | |
1658 | ||
1659 | unixctl_command_reply(conn, ds_cstr(&ds)); | |
1660 | ds_destroy(&ds); | |
1661 | } | |
1662 | ||
f85f8ebb | 1663 | static void |
53178986 BP |
1664 | parse_options(int argc, char *argv[], |
1665 | struct sset *db_filenames, struct sset *remotes, | |
1666 | char **unixctl_pathp, char **run_command, | |
60e0cd04 | 1667 | char **sync_from, char **sync_exclude, bool *active) |
f85f8ebb BP |
1668 | { |
1669 | enum { | |
06834871 | 1670 | OPT_REMOTE = UCHAR_MAX + 1, |
aa78de9d | 1671 | OPT_UNIXCTL, |
475afa1b | 1672 | OPT_RUN, |
9467fe62 | 1673 | OPT_BOOTSTRAP_CA_CERT, |
5bf6cbd6 | 1674 | OPT_PEER_CA_CERT, |
ae671c5f | 1675 | OPT_SYNC_FROM, |
7a9d65d2 | 1676 | OPT_SYNC_EXCLUDE, |
60e0cd04 | 1677 | OPT_ACTIVE, |
53178986 | 1678 | OPT_NO_DBS, |
f85f8ebb | 1679 | VLOG_OPTION_ENUMS, |
e18a1d08 ER |
1680 | DAEMON_OPTION_ENUMS, |
1681 | SSL_OPTION_ENUMS, | |
f85f8ebb | 1682 | }; |
53178986 | 1683 | |
07fc4ed3 | 1684 | static const struct option long_options[] = { |
e3c17733 BP |
1685 | {"remote", required_argument, NULL, OPT_REMOTE}, |
1686 | {"unixctl", required_argument, NULL, OPT_UNIXCTL}, | |
41064650 | 1687 | #ifndef _WIN32 |
e3c17733 | 1688 | {"run", required_argument, NULL, OPT_RUN}, |
41064650 | 1689 | #endif |
e3c17733 BP |
1690 | {"help", no_argument, NULL, 'h'}, |
1691 | {"version", no_argument, NULL, 'V'}, | |
f85f8ebb BP |
1692 | DAEMON_LONG_OPTIONS, |
1693 | VLOG_LONG_OPTIONS, | |
e3c17733 | 1694 | {"bootstrap-ca-cert", required_argument, NULL, OPT_BOOTSTRAP_CA_CERT}, |
5bf6cbd6 | 1695 | {"peer-ca-cert", required_argument, NULL, OPT_PEER_CA_CERT}, |
e18a1d08 | 1696 | STREAM_SSL_LONG_OPTIONS, |
ae671c5f | 1697 | {"sync-from", required_argument, NULL, OPT_SYNC_FROM}, |
7a9d65d2 | 1698 | {"sync-exclude-tables", required_argument, NULL, OPT_SYNC_EXCLUDE}, |
60e0cd04 | 1699 | {"active", no_argument, NULL, OPT_ACTIVE}, |
53178986 | 1700 | {"no-dbs", no_argument, NULL, OPT_NO_DBS}, |
e3c17733 | 1701 | {NULL, 0, NULL, 0}, |
f85f8ebb | 1702 | }; |
5f383751 | 1703 | char *short_options = ovs_cmdl_long_options_to_short_options(long_options); |
53178986 | 1704 | bool add_default_db = true; |
f85f8ebb | 1705 | |
60e0cd04 AZ |
1706 | *sync_from = NULL; |
1707 | *sync_exclude = NULL; | |
53178986 | 1708 | sset_init(db_filenames); |
b3c01ed3 | 1709 | sset_init(remotes); |
f85f8ebb BP |
1710 | for (;;) { |
1711 | int c; | |
1712 | ||
1713 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
1714 | if (c == -1) { | |
1715 | break; | |
1716 | } | |
1717 | ||
1718 | switch (c) { | |
0b1fae1b | 1719 | case OPT_REMOTE: |
b3c01ed3 | 1720 | sset_add(remotes, optarg); |
f85f8ebb BP |
1721 | break; |
1722 | ||
aa78de9d BP |
1723 | case OPT_UNIXCTL: |
1724 | *unixctl_pathp = optarg; | |
1725 | break; | |
1726 | ||
475afa1b BP |
1727 | case OPT_RUN: |
1728 | *run_command = optarg; | |
1729 | break; | |
1730 | ||
f85f8ebb BP |
1731 | case 'h': |
1732 | usage(); | |
1733 | ||
1734 | case 'V': | |
55d5bb44 | 1735 | ovs_print_version(0, 0); |
f85f8ebb BP |
1736 | exit(EXIT_SUCCESS); |
1737 | ||
1738 | VLOG_OPTION_HANDLERS | |
1739 | DAEMON_OPTION_HANDLERS | |
f85f8ebb | 1740 | |
78876719 BP |
1741 | case 'p': |
1742 | private_key_file = optarg; | |
1743 | break; | |
1744 | ||
1745 | case 'c': | |
1746 | certificate_file = optarg; | |
1747 | break; | |
1748 | ||
1749 | case 'C': | |
1750 | ca_cert_file = optarg; | |
1751 | bootstrap_ca_cert = false; | |
1752 | break; | |
9467fe62 | 1753 | |
e18a1d08 ER |
1754 | case OPT_SSL_PROTOCOLS: |
1755 | ssl_protocols = optarg; | |
1756 | break; | |
1757 | ||
1758 | case OPT_SSL_CIPHERS: | |
1759 | ssl_ciphers = optarg; | |
1760 | break; | |
1761 | ||
9467fe62 | 1762 | case OPT_BOOTSTRAP_CA_CERT: |
78876719 BP |
1763 | ca_cert_file = optarg; |
1764 | bootstrap_ca_cert = true; | |
9467fe62 | 1765 | break; |
9467fe62 | 1766 | |
5bf6cbd6 GS |
1767 | case OPT_PEER_CA_CERT: |
1768 | stream_ssl_set_peer_ca_cert_file(optarg); | |
1769 | break; | |
1770 | ||
ae671c5f | 1771 | case OPT_SYNC_FROM: |
60e0cd04 | 1772 | *sync_from = xstrdup(optarg); |
ae671c5f MC |
1773 | break; |
1774 | ||
3109b4e1 AZ |
1775 | case OPT_SYNC_EXCLUDE: { |
1776 | char *err = set_blacklist_tables(optarg, false); | |
1777 | if (err) { | |
1778 | ovs_fatal(0, "%s", err); | |
1779 | } | |
60e0cd04 | 1780 | *sync_exclude = xstrdup(optarg); |
7a9d65d2 | 1781 | break; |
3109b4e1 | 1782 | } |
60e0cd04 AZ |
1783 | case OPT_ACTIVE: |
1784 | *active = true; | |
1785 | break; | |
7a9d65d2 | 1786 | |
53178986 BP |
1787 | case OPT_NO_DBS: |
1788 | add_default_db = false; | |
1789 | break; | |
1790 | ||
f85f8ebb BP |
1791 | case '?': |
1792 | exit(EXIT_FAILURE); | |
1793 | ||
1794 | default: | |
1795 | abort(); | |
1796 | } | |
1797 | } | |
1798 | free(short_options); | |
1799 | ||
53178986 BP |
1800 | argc -= optind; |
1801 | argv += optind; | |
1802 | if (argc > 0) { | |
1803 | for (int i = 0; i < argc; i++) { | |
1804 | sset_add(db_filenames, argv[i]); | |
1805 | } | |
1806 | } else if (add_default_db) { | |
1807 | sset_add_and_free(db_filenames, xasprintf("%s/conf.db", ovs_dbdir())); | |
1808 | } | |
f85f8ebb BP |
1809 | } |
1810 | ||
1811 | static void | |
1812 | usage(void) | |
1813 | { | |
1814 | printf("%s: Open vSwitch database server\n" | |
b4e8d170 BP |
1815 | "usage: %s [OPTIONS] [DATABASE...]\n" |
1816 | "where each DATABASE is a database file in ovsdb format.\n" | |
1817 | "The default DATABASE, if none is given, is\n%s/conf.db.\n", | |
1818 | program_name, program_name, ovs_dbdir()); | |
f85f8ebb | 1819 | printf("\nJSON-RPC options (may be specified any number of times):\n" |
0b1fae1b | 1820 | " --remote=REMOTE connect or listen to REMOTE\n"); |
9467fe62 | 1821 | stream_usage("JSON-RPC", true, true, true); |
f85f8ebb BP |
1822 | daemon_usage(); |
1823 | vlog_usage(); | |
ae671c5f | 1824 | replication_usage(); |
f85f8ebb | 1825 | printf("\nOther options:\n" |
475afa1b | 1826 | " --run COMMAND run COMMAND as subprocess then exit\n" |
7b38bdc8 | 1827 | " --unixctl=SOCKET override default control socket name\n" |
f85f8ebb BP |
1828 | " -h, --help display this help message\n" |
1829 | " -V, --version display version information\n"); | |
f85f8ebb BP |
1830 | exit(EXIT_SUCCESS); |
1831 | } | |
5f36127e | 1832 | \f |
0a3b723b BP |
1833 | static struct json * |
1834 | sset_to_json(const struct sset *sset) | |
1835 | { | |
1836 | struct json *array; | |
1837 | const char *s; | |
1838 | ||
1839 | array = json_array_create_empty(); | |
1840 | SSET_FOR_EACH (s, sset) { | |
1841 | json_array_add(array, json_string_create(s)); | |
1842 | } | |
1843 | return array; | |
1844 | } | |
1845 | ||
1846 | /* Truncates and replaces the contents of 'config_file' by a representation of | |
1847 | * 'remotes' and 'db_filenames'. */ | |
5f36127e | 1848 | static void |
0a3b723b | 1849 | save_config__(FILE *config_file, const struct sset *remotes, |
60e0cd04 AZ |
1850 | const struct sset *db_filenames, const char *sync_from, |
1851 | const char *sync_exclude, bool is_backup) | |
5f36127e | 1852 | { |
0a3b723b | 1853 | struct json *obj; |
5f36127e BP |
1854 | char *s; |
1855 | ||
1856 | if (ftruncate(fileno(config_file), 0) == -1) { | |
10a89ef0 BP |
1857 | VLOG_FATAL("failed to truncate temporary file (%s)", |
1858 | ovs_strerror(errno)); | |
5f36127e BP |
1859 | } |
1860 | ||
0a3b723b BP |
1861 | obj = json_object_create(); |
1862 | json_object_put(obj, "remotes", sset_to_json(remotes)); | |
1863 | json_object_put(obj, "db_filenames", sset_to_json(db_filenames)); | |
60e0cd04 AZ |
1864 | if (sync_from) { |
1865 | json_object_put(obj, "sync_from", json_string_create(sync_from)); | |
1866 | } | |
1867 | if (sync_exclude) { | |
1868 | json_object_put(obj, "sync_exclude", | |
1869 | json_string_create(sync_exclude)); | |
1870 | } | |
1871 | json_object_put(obj, "is_backup", json_boolean_create(is_backup)); | |
1872 | ||
0a3b723b BP |
1873 | s = json_to_string(obj, 0); |
1874 | json_destroy(obj); | |
5f36127e BP |
1875 | |
1876 | if (fseek(config_file, 0, SEEK_SET) != 0 | |
1877 | || fputs(s, config_file) == EOF | |
1878 | || fflush(config_file) == EOF) { | |
10a89ef0 | 1879 | VLOG_FATAL("failed to write temporary file (%s)", ovs_strerror(errno)); |
5f36127e BP |
1880 | } |
1881 | free(s); | |
1882 | } | |
1883 | ||
0a3b723b BP |
1884 | /* Truncates and replaces the contents of 'config_file' by a representation of |
1885 | * 'config'. */ | |
5f36127e | 1886 | static void |
0a3b723b BP |
1887 | save_config(struct server_config *config) |
1888 | { | |
1889 | struct sset db_filenames; | |
1890 | struct shash_node *node; | |
1891 | ||
1892 | sset_init(&db_filenames); | |
1893 | SHASH_FOR_EACH (node, config->all_dbs) { | |
1894 | struct db *db = node->data; | |
bc7bcc40 BP |
1895 | if (node->name[0] != '_') { |
1896 | sset_add(&db_filenames, db->filename); | |
1897 | } | |
0a3b723b BP |
1898 | } |
1899 | ||
60e0cd04 AZ |
1900 | save_config__(config->config_tmpfile, config->remotes, &db_filenames, |
1901 | *config->sync_from, *config->sync_exclude, | |
1902 | *config->is_backup); | |
0a3b723b BP |
1903 | |
1904 | sset_destroy(&db_filenames); | |
1905 | } | |
1906 | ||
1907 | static void | |
1908 | sset_from_json(struct sset *sset, const struct json *array) | |
5f36127e | 1909 | { |
5f36127e BP |
1910 | size_t i; |
1911 | ||
0a3b723b BP |
1912 | sset_clear(sset); |
1913 | ||
1914 | ovs_assert(array->type == JSON_ARRAY); | |
fa37affa BP |
1915 | for (i = 0; i < array->array.n; i++) { |
1916 | const struct json *elem = array->array.elems[i]; | |
0a3b723b BP |
1917 | sset_add(sset, json_string(elem)); |
1918 | } | |
1919 | } | |
1920 | ||
1921 | /* Clears and replaces 'remotes' and 'dbnames' by a configuration read from | |
1922 | * 'config_file', which must have been previously written by save_config(). */ | |
1923 | static void | |
60e0cd04 AZ |
1924 | load_config(FILE *config_file, struct sset *remotes, struct sset *db_filenames, |
1925 | char **sync_from, char **sync_exclude, bool *is_backup) | |
0a3b723b BP |
1926 | { |
1927 | struct json *json; | |
5f36127e BP |
1928 | |
1929 | if (fseek(config_file, 0, SEEK_SET) != 0) { | |
10a89ef0 | 1930 | VLOG_FATAL("seek failed in temporary file (%s)", ovs_strerror(errno)); |
5f36127e BP |
1931 | } |
1932 | json = json_from_stream(config_file); | |
1933 | if (json->type == JSON_STRING) { | |
1934 | VLOG_FATAL("reading json failed (%s)", json_string(json)); | |
1935 | } | |
0a3b723b BP |
1936 | ovs_assert(json->type == JSON_OBJECT); |
1937 | ||
1938 | sset_from_json(remotes, shash_find_data(json_object(json), "remotes")); | |
1939 | sset_from_json(db_filenames, | |
1940 | shash_find_data(json_object(json), "db_filenames")); | |
60e0cd04 AZ |
1941 | |
1942 | struct json *string; | |
1943 | string = shash_find_data(json_object(json), "sync_from"); | |
1944 | free(*sync_from); | |
1945 | *sync_from = string ? xstrdup(json_string(string)) : NULL; | |
1946 | ||
1947 | string = shash_find_data(json_object(json), "sync_exclude"); | |
1948 | free(*sync_exclude); | |
1949 | *sync_exclude = string ? xstrdup(json_string(string)) : NULL; | |
1950 | ||
1951 | *is_backup = json_boolean(shash_find_data(json_object(json), "is_backup")); | |
1952 | ||
5f36127e BP |
1953 | json_destroy(json); |
1954 | } |