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fe000966 DM |
1 | /* |
2 | Copyright (C) 2010 Proxmox Server Solutions GmbH | |
3 | ||
4 | This program is free software: you can redistribute it and/or modify | |
5 | it under the terms of the GNU Affero General Public License as published by | |
6 | the Free Software Foundation, either version 3 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU Affero General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Affero General Public License | |
15 | along with this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | ||
17 | Author: Dietmar Maurer <dietmar@proxmox.com> | |
18 | ||
19 | */ | |
20 | ||
21 | #define G_LOG_DOMAIN "status" | |
22 | ||
23 | #ifdef HAVE_CONFIG_H | |
24 | #include <config.h> | |
25 | #endif /* HAVE_CONFIG_H */ | |
26 | ||
27 | #include <stdio.h> | |
28 | #include <stdint.h> | |
29 | #include <string.h> | |
30 | #include <errno.h> | |
31 | #include <glib.h> | |
32 | #include <sys/syslog.h> | |
33 | #include <rrd.h> | |
34 | #include <rrd_client.h> | |
35 | #include <time.h> | |
36 | ||
37 | #include "cfs-utils.h" | |
38 | #include "status.h" | |
39 | #include "logger.h" | |
40 | ||
41 | #define KVSTORE_CPG_GROUP_NAME "pve_kvstore_v1" | |
42 | ||
43 | typedef enum { | |
44 | KVSTORE_MESSAGE_UPDATE = 1, | |
45 | KVSTORE_MESSAGE_UPDATE_COMPLETE = 2, | |
46 | KVSTORE_MESSAGE_LOG = 3, | |
47 | } kvstore_message_t; | |
48 | ||
49 | static uint32_t vminfo_version_counter; | |
50 | ||
51 | typedef struct { | |
52 | uint32_t vmid; | |
53 | char *nodename; | |
54 | int vmtype; | |
55 | uint32_t version; | |
56 | } vminfo_t; | |
57 | ||
58 | typedef struct { | |
59 | char *key; | |
60 | gpointer data; | |
61 | size_t len; | |
62 | uint32_t version; | |
63 | } kventry_t; | |
64 | ||
65 | typedef struct { | |
66 | char *key; | |
67 | gpointer data; | |
68 | size_t len; | |
69 | uint32_t time; | |
70 | } rrdentry_t; | |
71 | ||
72 | typedef struct { | |
73 | char *path; | |
74 | uint32_t version; | |
75 | } memdb_change_t; | |
76 | ||
77 | static memdb_change_t memdb_change_array[] = { | |
2113d031 DM |
78 | { .path = "corosync.conf" }, |
79 | { .path = "corosync.conf.new" }, | |
fe000966 DM |
80 | { .path = "storage.cfg" }, |
81 | { .path = "user.cfg" }, | |
82 | { .path = "domains.cfg" }, | |
83 | { .path = "priv/shadow.cfg" }, | |
8a9456dc | 84 | { .path = "priv/tfa.cfg" }, |
fe000966 | 85 | { .path = "datacenter.cfg" }, |
e1735a61 | 86 | { .path = "vzdump.cron" }, |
5a5417e6 DM |
87 | { .path = "ha/crm_commands" }, |
88 | { .path = "ha/manager_status" }, | |
89 | { .path = "ha/resources.cfg" }, | |
90 | { .path = "ha/groups.cfg" }, | |
e9af3eb7 | 91 | { .path = "ha/fence.cfg" }, |
9d4f69ff | 92 | { .path = "status.cfg" }, |
f6de131a | 93 | { .path = "replication.cfg" }, |
22e2ed76 | 94 | { .path = "ceph.conf" }, |
fe000966 DM |
95 | }; |
96 | ||
89fde9ac | 97 | static GMutex mutex; |
fe000966 DM |
98 | |
99 | typedef struct { | |
100 | time_t start_time; | |
101 | ||
102 | uint32_t quorate; | |
103 | ||
104 | cfs_clinfo_t *clinfo; | |
105 | uint32_t clinfo_version; | |
106 | ||
107 | GHashTable *vmlist; | |
108 | uint32_t vmlist_version; | |
109 | ||
110 | dfsm_t *kvstore; | |
111 | GHashTable *kvhash; | |
112 | GHashTable *rrdhash; | |
113 | GHashTable *iphash; | |
114 | ||
115 | GHashTable *memdb_changes; | |
116 | ||
117 | clusterlog_t *clusterlog; | |
118 | } cfs_status_t; | |
119 | ||
120 | static cfs_status_t cfs_status; | |
121 | ||
122 | struct cfs_clnode { | |
123 | char *name; | |
124 | uint32_t nodeid; | |
125 | uint32_t votes; | |
126 | gboolean online; | |
127 | GHashTable *kvhash; | |
128 | }; | |
129 | ||
130 | struct cfs_clinfo { | |
131 | char *cluster_name; | |
132 | uint32_t cman_version; | |
133 | ||
134 | GHashTable *nodes_byid; | |
135 | GHashTable *nodes_byname; | |
136 | }; | |
137 | ||
138 | static guint | |
139 | g_int32_hash (gconstpointer v) | |
140 | { | |
141 | return *(const uint32_t *) v; | |
142 | } | |
143 | ||
144 | static gboolean | |
145 | g_int32_equal (gconstpointer v1, | |
146 | gconstpointer v2) | |
147 | { | |
148 | return *((const uint32_t*) v1) == *((const uint32_t*) v2); | |
149 | } | |
150 | ||
151 | static void vminfo_free(vminfo_t *vminfo) | |
152 | { | |
153 | g_return_if_fail(vminfo != NULL); | |
154 | ||
155 | if (vminfo->nodename) | |
156 | g_free(vminfo->nodename); | |
157 | ||
158 | ||
159 | g_free(vminfo); | |
160 | } | |
161 | ||
162 | void cfs_clnode_destroy( | |
163 | cfs_clnode_t *clnode) | |
164 | { | |
165 | g_return_if_fail(clnode != NULL); | |
166 | ||
167 | if (clnode->kvhash) | |
168 | g_hash_table_destroy(clnode->kvhash); | |
169 | ||
170 | if (clnode->name) | |
171 | g_free(clnode->name); | |
172 | ||
173 | g_free(clnode); | |
174 | } | |
175 | ||
176 | cfs_clnode_t *cfs_clnode_new( | |
177 | const char *name, | |
178 | uint32_t nodeid, | |
179 | uint32_t votes) | |
180 | { | |
181 | g_return_val_if_fail(name != NULL, NULL); | |
182 | ||
183 | cfs_clnode_t *clnode = g_new0(cfs_clnode_t, 1); | |
184 | if (!clnode) | |
185 | return NULL; | |
186 | ||
187 | clnode->name = g_strdup(name); | |
188 | clnode->nodeid = nodeid; | |
189 | clnode->votes = votes; | |
190 | ||
191 | return clnode; | |
192 | } | |
193 | ||
194 | gboolean cfs_clinfo_destroy( | |
195 | cfs_clinfo_t *clinfo) | |
196 | { | |
197 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
198 | ||
199 | if (clinfo->cluster_name) | |
200 | g_free(clinfo->cluster_name); | |
201 | ||
202 | if (clinfo->nodes_byname) | |
203 | g_hash_table_destroy(clinfo->nodes_byname); | |
204 | ||
205 | if (clinfo->nodes_byid) | |
206 | g_hash_table_destroy(clinfo->nodes_byid); | |
207 | ||
208 | g_free(clinfo); | |
209 | ||
210 | return TRUE; | |
211 | } | |
212 | ||
213 | cfs_clinfo_t *cfs_clinfo_new( | |
214 | const char *cluster_name, | |
215 | uint32_t cman_version) | |
216 | { | |
217 | g_return_val_if_fail(cluster_name != NULL, NULL); | |
218 | ||
219 | cfs_clinfo_t *clinfo = g_new0(cfs_clinfo_t, 1); | |
220 | if (!clinfo) | |
221 | return NULL; | |
222 | ||
223 | clinfo->cluster_name = g_strdup(cluster_name); | |
224 | clinfo->cman_version = cman_version; | |
225 | ||
226 | if (!(clinfo->nodes_byid = g_hash_table_new_full( | |
227 | g_int32_hash, g_int32_equal, NULL, | |
228 | (GDestroyNotify)cfs_clnode_destroy))) | |
229 | goto fail; | |
230 | ||
231 | if (!(clinfo->nodes_byname = g_hash_table_new(g_str_hash, g_str_equal))) | |
232 | goto fail; | |
233 | ||
234 | return clinfo; | |
235 | ||
236 | fail: | |
237 | cfs_clinfo_destroy(clinfo); | |
238 | ||
239 | return NULL; | |
240 | } | |
241 | ||
242 | gboolean cfs_clinfo_add_node( | |
243 | cfs_clinfo_t *clinfo, | |
244 | cfs_clnode_t *clnode) | |
245 | { | |
246 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
247 | g_return_val_if_fail(clnode != NULL, FALSE); | |
248 | ||
249 | g_hash_table_replace(clinfo->nodes_byid, &clnode->nodeid, clnode); | |
250 | g_hash_table_replace(clinfo->nodes_byname, clnode->name, clnode); | |
251 | ||
252 | return TRUE; | |
253 | } | |
254 | ||
255 | int | |
256 | cfs_create_memberlist_msg( | |
257 | GString *str) | |
258 | { | |
259 | g_return_val_if_fail(str != NULL, -EINVAL); | |
260 | ||
89fde9ac | 261 | g_mutex_lock (&mutex); |
fe000966 DM |
262 | |
263 | g_string_append_printf(str,"{\n"); | |
264 | ||
265 | guint nodecount = 0; | |
266 | ||
267 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
268 | ||
269 | if (clinfo && clinfo->nodes_byid) | |
270 | nodecount = g_hash_table_size(clinfo->nodes_byid); | |
271 | ||
272 | if (nodecount) { | |
273 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
274 | g_string_append_printf(str, "\"version\": %u,\n", cfs_status.clinfo_version); | |
275 | ||
276 | g_string_append_printf(str, "\"cluster\": { "); | |
277 | g_string_append_printf(str, "\"name\": \"%s\", \"version\": %d, " | |
278 | "\"nodes\": %d, \"quorate\": %d ", | |
279 | clinfo->cluster_name, clinfo->cman_version, | |
280 | nodecount, cfs_status.quorate); | |
281 | ||
282 | g_string_append_printf(str,"},\n"); | |
283 | g_string_append_printf(str,"\"nodelist\": {\n"); | |
284 | ||
285 | GHashTable *ht = clinfo->nodes_byid; | |
286 | GHashTableIter iter; | |
287 | gpointer key, value; | |
288 | ||
289 | g_hash_table_iter_init (&iter, ht); | |
290 | ||
291 | int i = 0; | |
292 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
293 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
294 | if (i) g_string_append_printf(str, ",\n"); | |
295 | i++; | |
296 | ||
297 | g_string_append_printf(str, " \"%s\": { \"id\": %d, \"online\": %d", | |
298 | node->name, node->nodeid, node->online); | |
299 | ||
300 | ||
301 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, node->name); | |
302 | if (ip) { | |
303 | g_string_append_printf(str, ", \"ip\": \"%s\"", ip); | |
304 | } | |
305 | ||
306 | g_string_append_printf(str, "}"); | |
307 | ||
308 | } | |
309 | g_string_append_printf(str,"\n }\n"); | |
310 | } else { | |
311 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
312 | g_string_append_printf(str, "\"version\": %u\n", cfs_status.clinfo_version); | |
313 | } | |
314 | ||
315 | g_string_append_printf(str,"}\n"); | |
316 | ||
89fde9ac | 317 | g_mutex_unlock (&mutex); |
fe000966 DM |
318 | |
319 | return 0; | |
320 | } | |
321 | ||
322 | static void | |
323 | kventry_free(kventry_t *entry) | |
324 | { | |
325 | g_return_if_fail(entry != NULL); | |
326 | ||
327 | g_free(entry->key); | |
328 | g_free(entry->data); | |
329 | g_free(entry); | |
330 | } | |
331 | ||
332 | static GHashTable * | |
333 | kventry_hash_new(void) | |
334 | { | |
335 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
336 | (GDestroyNotify)kventry_free); | |
337 | } | |
338 | ||
339 | static void | |
340 | rrdentry_free(rrdentry_t *entry) | |
341 | { | |
342 | g_return_if_fail(entry != NULL); | |
343 | ||
344 | g_free(entry->key); | |
345 | g_free(entry->data); | |
346 | g_free(entry); | |
347 | } | |
348 | ||
349 | static GHashTable * | |
350 | rrdentry_hash_new(void) | |
351 | { | |
352 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
353 | (GDestroyNotify)rrdentry_free); | |
354 | } | |
355 | ||
356 | void | |
357 | cfs_cluster_log_dump(GString *str, const char *user, guint max_entries) | |
358 | { | |
359 | clusterlog_dump(cfs_status.clusterlog, str, user, max_entries); | |
360 | } | |
361 | ||
362 | void | |
363 | cfs_cluster_log(clog_entry_t *entry) | |
364 | { | |
365 | g_return_if_fail(entry != NULL); | |
366 | ||
367 | clusterlog_insert(cfs_status.clusterlog, entry); | |
368 | ||
369 | if (cfs_status.kvstore) { | |
370 | struct iovec iov[1]; | |
371 | iov[0].iov_base = (char *)entry; | |
372 | iov[0].iov_len = clog_entry_size(entry); | |
373 | ||
af2e9dd4 DM |
374 | if (dfsm_is_initialized(cfs_status.kvstore)) |
375 | dfsm_send_message(cfs_status.kvstore, KVSTORE_MESSAGE_LOG, iov, 1); | |
fe000966 DM |
376 | } |
377 | } | |
378 | ||
379 | void cfs_status_init(void) | |
380 | { | |
89fde9ac | 381 | g_mutex_lock (&mutex); |
fe000966 DM |
382 | |
383 | cfs_status.start_time = time(NULL); | |
384 | ||
385 | cfs_status.vmlist = vmlist_hash_new(); | |
386 | ||
387 | cfs_status.kvhash = kventry_hash_new(); | |
388 | ||
389 | cfs_status.rrdhash = rrdentry_hash_new(); | |
390 | ||
391 | cfs_status.iphash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free); | |
392 | ||
393 | cfs_status.memdb_changes = g_hash_table_new(g_str_hash, g_str_equal); | |
394 | ||
395 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
396 | g_hash_table_replace(cfs_status.memdb_changes, | |
397 | memdb_change_array[i].path, | |
398 | &memdb_change_array[i]); | |
399 | } | |
400 | ||
401 | cfs_status.clusterlog = clusterlog_new(); | |
402 | ||
403 | // fixme: | |
404 | clusterlog_add(cfs_status.clusterlog, "root", "cluster", getpid(), | |
405 | LOG_INFO, "starting cluster log"); | |
406 | ||
89fde9ac | 407 | g_mutex_unlock (&mutex); |
fe000966 DM |
408 | } |
409 | ||
410 | void cfs_status_cleanup(void) | |
411 | { | |
89fde9ac | 412 | g_mutex_lock (&mutex); |
fe000966 DM |
413 | |
414 | cfs_status.clinfo_version++; | |
415 | ||
416 | if (cfs_status.clinfo) { | |
417 | cfs_clinfo_destroy(cfs_status.clinfo); | |
418 | cfs_status.clinfo = NULL; | |
419 | } | |
420 | ||
421 | if (cfs_status.vmlist) { | |
422 | g_hash_table_destroy(cfs_status.vmlist); | |
423 | cfs_status.vmlist = NULL; | |
424 | } | |
425 | ||
426 | if (cfs_status.kvhash) { | |
427 | g_hash_table_destroy(cfs_status.kvhash); | |
428 | cfs_status.kvhash = NULL; | |
429 | } | |
430 | ||
431 | if (cfs_status.rrdhash) { | |
432 | g_hash_table_destroy(cfs_status.rrdhash); | |
433 | cfs_status.rrdhash = NULL; | |
434 | } | |
435 | ||
436 | if (cfs_status.iphash) { | |
437 | g_hash_table_destroy(cfs_status.iphash); | |
438 | cfs_status.iphash = NULL; | |
439 | } | |
440 | ||
441 | if (cfs_status.clusterlog) | |
442 | clusterlog_destroy(cfs_status.clusterlog); | |
443 | ||
89fde9ac | 444 | g_mutex_unlock (&mutex); |
fe000966 DM |
445 | } |
446 | ||
447 | void cfs_status_set_clinfo( | |
448 | cfs_clinfo_t *clinfo) | |
449 | { | |
450 | g_return_if_fail(clinfo != NULL); | |
451 | ||
89fde9ac | 452 | g_mutex_lock (&mutex); |
fe000966 DM |
453 | |
454 | cfs_status.clinfo_version++; | |
455 | ||
456 | cfs_clinfo_t *old = cfs_status.clinfo; | |
457 | ||
458 | cfs_status.clinfo = clinfo; | |
459 | ||
460 | cfs_message("update cluster info (cluster name %s, version = %d)", | |
461 | clinfo->cluster_name, clinfo->cman_version); | |
462 | ||
463 | ||
464 | if (old && old->nodes_byid && clinfo->nodes_byid) { | |
465 | /* copy kvstore */ | |
466 | GHashTable *ht = clinfo->nodes_byid; | |
467 | GHashTableIter iter; | |
468 | gpointer key, value; | |
469 | ||
470 | g_hash_table_iter_init (&iter, ht); | |
471 | ||
472 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
473 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
474 | cfs_clnode_t *oldnode; | |
469d3acb | 475 | if ((oldnode = g_hash_table_lookup(old->nodes_byid, key))) { |
fe000966 DM |
476 | node->online = oldnode->online; |
477 | node->kvhash = oldnode->kvhash; | |
478 | oldnode->kvhash = NULL; | |
479 | } | |
480 | } | |
481 | ||
482 | } | |
483 | ||
484 | if (old) | |
485 | cfs_clinfo_destroy(old); | |
486 | ||
487 | ||
89fde9ac | 488 | g_mutex_unlock (&mutex); |
fe000966 DM |
489 | } |
490 | ||
491 | static void | |
492 | dump_kvstore_versions( | |
493 | GString *str, | |
494 | GHashTable *kvhash, | |
495 | const char *nodename) | |
496 | { | |
497 | g_return_if_fail(kvhash != NULL); | |
498 | g_return_if_fail(str != NULL); | |
499 | g_return_if_fail(nodename != NULL); | |
500 | ||
501 | GHashTable *ht = kvhash; | |
502 | GHashTableIter iter; | |
503 | gpointer key, value; | |
504 | ||
505 | g_string_append_printf(str, "\"%s\": {\n", nodename); | |
506 | ||
507 | g_hash_table_iter_init (&iter, ht); | |
508 | ||
509 | int i = 0; | |
510 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
511 | kventry_t *entry = (kventry_t *)value; | |
512 | if (i) g_string_append_printf(str, ",\n"); | |
513 | i++; | |
514 | g_string_append_printf(str,"\"%s\": %u", entry->key, entry->version); | |
515 | } | |
516 | ||
517 | g_string_append_printf(str, "}\n"); | |
518 | } | |
519 | ||
520 | int | |
521 | cfs_create_version_msg(GString *str) | |
522 | { | |
523 | g_return_val_if_fail(str != NULL, -EINVAL); | |
524 | ||
89fde9ac | 525 | g_mutex_lock (&mutex); |
fe000966 DM |
526 | |
527 | g_string_append_printf(str,"{\n"); | |
528 | ||
529 | g_string_append_printf(str, "\"starttime\": %lu,\n", (unsigned long)cfs_status.start_time); | |
530 | ||
531 | g_string_append_printf(str, "\"clinfo\": %u,\n", cfs_status.clinfo_version); | |
532 | ||
533 | g_string_append_printf(str, "\"vmlist\": %u,\n", cfs_status.vmlist_version); | |
534 | ||
535 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
536 | g_string_append_printf(str, "\"%s\": %u,\n", | |
537 | memdb_change_array[i].path, | |
538 | memdb_change_array[i].version); | |
539 | } | |
540 | ||
541 | g_string_append_printf(str, "\"kvstore\": {\n"); | |
542 | ||
543 | dump_kvstore_versions(str, cfs_status.kvhash, cfs.nodename); | |
544 | ||
545 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
546 | ||
547 | if (clinfo && clinfo->nodes_byid) { | |
548 | GHashTable *ht = clinfo->nodes_byid; | |
549 | GHashTableIter iter; | |
550 | gpointer key, value; | |
551 | ||
552 | g_hash_table_iter_init (&iter, ht); | |
553 | ||
554 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
555 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
556 | if (!node->kvhash) | |
557 | continue; | |
558 | g_string_append_printf(str, ",\n"); | |
559 | dump_kvstore_versions(str, node->kvhash, node->name); | |
560 | } | |
561 | } | |
562 | ||
563 | g_string_append_printf(str,"}\n"); | |
564 | ||
565 | g_string_append_printf(str,"}\n"); | |
566 | ||
89fde9ac | 567 | g_mutex_unlock (&mutex); |
fe000966 DM |
568 | |
569 | return 0; | |
570 | } | |
571 | ||
572 | GHashTable * | |
573 | vmlist_hash_new(void) | |
574 | { | |
575 | return g_hash_table_new_full(g_int_hash, g_int_equal, NULL, | |
576 | (GDestroyNotify)vminfo_free); | |
577 | } | |
578 | ||
579 | gboolean | |
580 | vmlist_hash_insert_vm( | |
581 | GHashTable *vmlist, | |
582 | int vmtype, | |
583 | guint32 vmid, | |
584 | const char *nodename, | |
585 | gboolean replace) | |
586 | { | |
587 | g_return_val_if_fail(vmlist != NULL, FALSE); | |
588 | g_return_val_if_fail(nodename != NULL, FALSE); | |
589 | g_return_val_if_fail(vmid != 0, FALSE); | |
7f66b436 DM |
590 | g_return_val_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
591 | vmtype == VMTYPE_LXC, FALSE); | |
fe000966 DM |
592 | |
593 | if (!replace && g_hash_table_lookup(vmlist, &vmid)) { | |
594 | cfs_critical("detected duplicate VMID %d", vmid); | |
595 | return FALSE; | |
596 | } | |
597 | ||
598 | vminfo_t *vminfo = g_new0(vminfo_t, 1); | |
599 | ||
600 | vminfo->vmid = vmid; | |
601 | vminfo->vmtype = vmtype; | |
602 | vminfo->nodename = g_strdup(nodename); | |
603 | ||
604 | vminfo->version = ++vminfo_version_counter; | |
605 | ||
606 | g_hash_table_replace(vmlist, &vminfo->vmid, vminfo); | |
607 | ||
608 | return TRUE; | |
609 | } | |
610 | ||
611 | void | |
612 | vmlist_register_vm( | |
613 | int vmtype, | |
614 | guint32 vmid, | |
615 | const char *nodename) | |
616 | { | |
617 | g_return_if_fail(cfs_status.vmlist != NULL); | |
618 | g_return_if_fail(nodename != NULL); | |
619 | g_return_if_fail(vmid != 0); | |
7f66b436 DM |
620 | g_return_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
621 | vmtype == VMTYPE_LXC); | |
fe000966 DM |
622 | |
623 | cfs_debug("vmlist_register_vm: %s/%u %d", nodename, vmid, vmtype); | |
624 | ||
89fde9ac | 625 | g_mutex_lock (&mutex); |
fe000966 DM |
626 | |
627 | cfs_status.vmlist_version++; | |
628 | ||
629 | vmlist_hash_insert_vm(cfs_status.vmlist, vmtype, vmid, nodename, TRUE); | |
630 | ||
89fde9ac | 631 | g_mutex_unlock (&mutex); |
fe000966 DM |
632 | } |
633 | ||
634 | gboolean | |
635 | vmlist_different_vm_exists( | |
636 | int vmtype, | |
637 | guint32 vmid, | |
638 | const char *nodename) | |
639 | { | |
640 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
641 | g_return_val_if_fail(vmid != 0, FALSE); | |
642 | ||
643 | gboolean res = FALSE; | |
644 | ||
89fde9ac | 645 | g_mutex_lock (&mutex); |
fe000966 DM |
646 | |
647 | vminfo_t *vminfo; | |
648 | if ((vminfo = (vminfo_t *)g_hash_table_lookup(cfs_status.vmlist, &vmid))) { | |
649 | if (!(vminfo->vmtype == vmtype && strcmp(vminfo->nodename, nodename) == 0)) | |
650 | res = TRUE; | |
651 | } | |
89fde9ac | 652 | g_mutex_unlock (&mutex); |
fe000966 DM |
653 | |
654 | return res; | |
655 | } | |
656 | ||
657 | gboolean | |
658 | vmlist_vm_exists( | |
659 | guint32 vmid) | |
660 | { | |
661 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
662 | g_return_val_if_fail(vmid != 0, FALSE); | |
663 | ||
89fde9ac | 664 | g_mutex_lock (&mutex); |
fe000966 DM |
665 | |
666 | gpointer res = g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
667 | ||
89fde9ac | 668 | g_mutex_unlock (&mutex); |
fe000966 DM |
669 | |
670 | return res != NULL; | |
671 | } | |
672 | ||
673 | void | |
674 | vmlist_delete_vm( | |
675 | guint32 vmid) | |
676 | { | |
677 | g_return_if_fail(cfs_status.vmlist != NULL); | |
678 | g_return_if_fail(vmid != 0); | |
679 | ||
89fde9ac | 680 | g_mutex_lock (&mutex); |
fe000966 DM |
681 | |
682 | cfs_status.vmlist_version++; | |
683 | ||
684 | g_hash_table_remove(cfs_status.vmlist, &vmid); | |
685 | ||
89fde9ac | 686 | g_mutex_unlock (&mutex); |
fe000966 DM |
687 | } |
688 | ||
689 | void cfs_status_set_vmlist( | |
690 | GHashTable *vmlist) | |
691 | { | |
692 | g_return_if_fail(vmlist != NULL); | |
693 | ||
89fde9ac | 694 | g_mutex_lock (&mutex); |
fe000966 DM |
695 | |
696 | cfs_status.vmlist_version++; | |
697 | ||
698 | if (cfs_status.vmlist) | |
699 | g_hash_table_destroy(cfs_status.vmlist); | |
700 | ||
701 | cfs_status.vmlist = vmlist; | |
702 | ||
89fde9ac | 703 | g_mutex_unlock (&mutex); |
fe000966 DM |
704 | } |
705 | ||
706 | int | |
707 | cfs_create_vmlist_msg(GString *str) | |
708 | { | |
709 | g_return_val_if_fail(cfs_status.vmlist != NULL, -EINVAL); | |
710 | g_return_val_if_fail(str != NULL, -EINVAL); | |
711 | ||
89fde9ac | 712 | g_mutex_lock (&mutex); |
fe000966 DM |
713 | |
714 | g_string_append_printf(str,"{\n"); | |
715 | ||
716 | GHashTable *ht = cfs_status.vmlist; | |
717 | ||
718 | guint count = g_hash_table_size(ht); | |
719 | ||
720 | if (!count) { | |
721 | g_string_append_printf(str,"\"version\": %u\n", cfs_status.vmlist_version); | |
722 | } else { | |
723 | g_string_append_printf(str,"\"version\": %u,\n", cfs_status.vmlist_version); | |
724 | ||
725 | g_string_append_printf(str,"\"ids\": {\n"); | |
726 | ||
727 | GHashTableIter iter; | |
728 | gpointer key, value; | |
729 | ||
730 | g_hash_table_iter_init (&iter, ht); | |
731 | ||
732 | int first = 1; | |
733 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
734 | vminfo_t *vminfo = (vminfo_t *)value; | |
735 | char *type; | |
736 | if (vminfo->vmtype == VMTYPE_QEMU) { | |
737 | type = "qemu"; | |
738 | } else if (vminfo->vmtype == VMTYPE_OPENVZ) { | |
739 | type = "openvz"; | |
7f66b436 DM |
740 | } else if (vminfo->vmtype == VMTYPE_LXC) { |
741 | type = "lxc"; | |
fe000966 DM |
742 | } else { |
743 | type = "unknown"; | |
744 | } | |
745 | ||
746 | if (!first) | |
747 | g_string_append_printf(str, ",\n"); | |
748 | first = 0; | |
749 | ||
750 | g_string_append_printf(str,"\"%u\": { \"node\": \"%s\", \"type\": \"%s\", \"version\": %u }", | |
751 | vminfo->vmid, vminfo->nodename, type, vminfo->version); | |
752 | } | |
753 | ||
754 | g_string_append_printf(str,"}\n"); | |
755 | } | |
756 | g_string_append_printf(str,"\n}\n"); | |
757 | ||
89fde9ac | 758 | g_mutex_unlock (&mutex); |
fe000966 DM |
759 | |
760 | return 0; | |
761 | } | |
762 | ||
763 | void | |
764 | record_memdb_change(const char *path) | |
765 | { | |
766 | g_return_if_fail(cfs_status.memdb_changes != 0); | |
767 | ||
768 | memdb_change_t *ce; | |
769 | ||
770 | if ((ce = (memdb_change_t *)g_hash_table_lookup(cfs_status.memdb_changes, path))) { | |
771 | ce->version++; | |
772 | } | |
773 | } | |
774 | ||
775 | void | |
776 | record_memdb_reload(void) | |
777 | { | |
778 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
779 | memdb_change_array[i].version++; | |
780 | } | |
781 | } | |
782 | ||
783 | static gboolean | |
784 | kventry_hash_set( | |
785 | GHashTable *kvhash, | |
786 | const char *key, | |
787 | gconstpointer data, | |
788 | size_t len) | |
789 | { | |
790 | g_return_val_if_fail(kvhash != NULL, FALSE); | |
791 | g_return_val_if_fail(key != NULL, FALSE); | |
792 | g_return_val_if_fail(data != NULL, FALSE); | |
793 | ||
794 | kventry_t *entry; | |
795 | if ((entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
796 | g_free(entry->data); | |
797 | entry->data = g_memdup(data, len); | |
798 | entry->len = len; | |
799 | entry->version++; | |
800 | } else { | |
801 | kventry_t *entry = g_new0(kventry_t, 1); | |
802 | ||
803 | entry->key = g_strdup(key); | |
804 | entry->data = g_memdup(data, len); | |
805 | entry->len = len; | |
806 | ||
807 | g_hash_table_replace(kvhash, entry->key, entry); | |
808 | } | |
809 | ||
810 | return TRUE; | |
811 | } | |
812 | ||
813 | static const char *rrd_def_node[] = { | |
814 | "DS:loadavg:GAUGE:120:0:U", | |
815 | "DS:maxcpu:GAUGE:120:0:U", | |
816 | "DS:cpu:GAUGE:120:0:U", | |
817 | "DS:iowait:GAUGE:120:0:U", | |
818 | "DS:memtotal:GAUGE:120:0:U", | |
819 | "DS:memused:GAUGE:120:0:U", | |
820 | "DS:swaptotal:GAUGE:120:0:U", | |
821 | "DS:swapused:GAUGE:120:0:U", | |
822 | "DS:roottotal:GAUGE:120:0:U", | |
823 | "DS:rootused:GAUGE:120:0:U", | |
764296f1 DM |
824 | "DS:netin:DERIVE:120:0:U", |
825 | "DS:netout:DERIVE:120:0:U", | |
fe000966 DM |
826 | |
827 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
828 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
829 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
830 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
831 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
832 | ||
833 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
834 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
835 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
836 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
837 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
838 | NULL, | |
839 | }; | |
840 | ||
841 | static const char *rrd_def_vm[] = { | |
842 | "DS:maxcpu:GAUGE:120:0:U", | |
843 | "DS:cpu:GAUGE:120:0:U", | |
844 | "DS:maxmem:GAUGE:120:0:U", | |
845 | "DS:mem:GAUGE:120:0:U", | |
846 | "DS:maxdisk:GAUGE:120:0:U", | |
847 | "DS:disk:GAUGE:120:0:U", | |
764296f1 DM |
848 | "DS:netin:DERIVE:120:0:U", |
849 | "DS:netout:DERIVE:120:0:U", | |
850 | "DS:diskread:DERIVE:120:0:U", | |
851 | "DS:diskwrite:DERIVE:120:0:U", | |
fe000966 DM |
852 | |
853 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
854 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
855 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
856 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
857 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
858 | ||
859 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
860 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
861 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
862 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
863 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
864 | NULL, | |
865 | }; | |
866 | ||
867 | static const char *rrd_def_storage[] = { | |
868 | "DS:total:GAUGE:120:0:U", | |
869 | "DS:used:GAUGE:120:0:U", | |
870 | ||
871 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
872 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
873 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
874 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
875 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
876 | ||
877 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
878 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
879 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
880 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
881 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
882 | NULL, | |
883 | }; | |
884 | ||
885 | #define RRDDIR "/var/lib/rrdcached/db" | |
886 | ||
887 | static void | |
888 | create_rrd_file( | |
889 | const char *filename, | |
890 | int argcount, | |
891 | const char *rrddef[]) | |
892 | { | |
893 | /* start at day boundary */ | |
894 | time_t ctime; | |
895 | time(&ctime); | |
896 | struct tm *ltm = localtime(&ctime); | |
897 | ltm->tm_sec = 0; | |
898 | ltm->tm_min = 0; | |
899 | ltm->tm_hour = 0; | |
900 | ||
901 | rrd_clear_error(); | |
902 | if (rrd_create_r(filename, 60, timelocal(ltm), argcount, rrddef)) { | |
903 | cfs_message("RRD create error %s: %s", filename, rrd_get_error()); | |
904 | } | |
905 | } | |
906 | ||
907 | static inline const char * | |
908 | rrd_skip_data( | |
909 | const char *data, | |
910 | int count) | |
911 | { | |
912 | int found = 0; | |
913 | while (*data && found < count) { | |
914 | if (*data++ == ':') | |
915 | found++; | |
916 | } | |
917 | return data; | |
918 | } | |
919 | ||
920 | static void | |
921 | update_rrd_data( | |
922 | const char *key, | |
923 | gconstpointer data, | |
924 | size_t len) | |
925 | { | |
926 | g_return_if_fail(key != NULL); | |
927 | g_return_if_fail(data != NULL); | |
928 | g_return_if_fail(len > 0); | |
929 | g_return_if_fail(len < 4096); | |
930 | ||
931 | static const char *rrdcsock = "unix:/var/run/rrdcached.sock"; | |
932 | ||
933 | int use_daemon = 1; | |
934 | if (rrdc_connect(rrdcsock) != 0) | |
935 | use_daemon = 0; | |
936 | ||
ba9dcfc1 | 937 | char *filename = NULL; |
fe000966 DM |
938 | |
939 | int skip = 0; | |
940 | ||
941 | if (strncmp(key, "pve2-node/", 10) == 0) { | |
942 | const char *node = key + 10; | |
943 | ||
f9c865a8 | 944 | skip = 2; |
fe000966 DM |
945 | |
946 | if (strchr(node, '/') != NULL) | |
947 | goto keyerror; | |
948 | ||
949 | if (strlen(node) < 1) | |
950 | goto keyerror; | |
951 | ||
ba9dcfc1 DM |
952 | filename = g_strdup_printf(RRDDIR "/%s", key); |
953 | ||
fe000966 DM |
954 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
955 | ||
956 | mkdir(RRDDIR "/pve2-node", 0755); | |
957 | int argcount = sizeof(rrd_def_node)/sizeof(void*) - 1; | |
958 | create_rrd_file(filename, argcount, rrd_def_node); | |
959 | } | |
960 | ||
ba9dcfc1 DM |
961 | } else if ((strncmp(key, "pve2-vm/", 8) == 0) || |
962 | (strncmp(key, "pve2.3-vm/", 10) == 0)) { | |
963 | const char *vmid; | |
fe000966 | 964 | |
ba9dcfc1 DM |
965 | if (strncmp(key, "pve2-vm/", 8) == 0) { |
966 | vmid = key + 8; | |
967 | skip = 2; | |
968 | } else { | |
969 | vmid = key + 10; | |
94e4cba3 | 970 | skip = 4; |
ba9dcfc1 | 971 | } |
fe000966 DM |
972 | |
973 | if (strchr(vmid, '/') != NULL) | |
974 | goto keyerror; | |
975 | ||
976 | if (strlen(vmid) < 1) | |
977 | goto keyerror; | |
978 | ||
ba9dcfc1 DM |
979 | filename = g_strdup_printf(RRDDIR "/%s/%s", "pve2-vm", vmid); |
980 | ||
fe000966 DM |
981 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
982 | ||
983 | mkdir(RRDDIR "/pve2-vm", 0755); | |
984 | int argcount = sizeof(rrd_def_vm)/sizeof(void*) - 1; | |
985 | create_rrd_file(filename, argcount, rrd_def_vm); | |
986 | } | |
987 | ||
988 | } else if (strncmp(key, "pve2-storage/", 13) == 0) { | |
989 | const char *node = key + 13; | |
990 | ||
991 | const char *storage = node; | |
992 | while (*storage && *storage != '/') | |
993 | storage++; | |
994 | ||
995 | if (*storage != '/' || ((storage - node) < 1)) | |
996 | goto keyerror; | |
997 | ||
998 | storage++; | |
999 | ||
1000 | if (strchr(storage, '/') != NULL) | |
1001 | goto keyerror; | |
1002 | ||
1003 | if (strlen(storage) < 1) | |
1004 | goto keyerror; | |
1005 | ||
ba9dcfc1 DM |
1006 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1007 | ||
fe000966 DM |
1008 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1009 | ||
1010 | mkdir(RRDDIR "/pve2-storage", 0755); | |
1011 | ||
1012 | char *dir = g_path_get_dirname(filename); | |
1013 | mkdir(dir, 0755); | |
1014 | g_free(dir); | |
1015 | ||
1016 | int argcount = sizeof(rrd_def_storage)/sizeof(void*) - 1; | |
1017 | create_rrd_file(filename, argcount, rrd_def_storage); | |
1018 | } | |
1019 | ||
1020 | } else { | |
1021 | goto keyerror; | |
1022 | } | |
1023 | ||
1024 | const char *dp = skip ? rrd_skip_data(data, skip) : data; | |
1025 | ||
1026 | const char *update_args[] = { dp, NULL }; | |
1027 | ||
1028 | if (use_daemon) { | |
1029 | int status; | |
1030 | if ((status = rrdc_update(filename, 1, update_args)) != 0) { | |
1031 | cfs_message("RRDC update error %s: %d", filename, status); | |
1032 | rrdc_disconnect(); | |
1033 | rrd_clear_error(); | |
1034 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1035 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1036 | } | |
1037 | } | |
1038 | ||
1039 | } else { | |
1040 | rrd_clear_error(); | |
1041 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1042 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1043 | } | |
1044 | } | |
1045 | ||
1046 | ret: | |
ba9dcfc1 DM |
1047 | if (filename) |
1048 | g_free(filename); | |
1049 | ||
fe000966 DM |
1050 | return; |
1051 | ||
1052 | keyerror: | |
1053 | cfs_critical("RRD update error: unknown/wrong key %s", key); | |
1054 | goto ret; | |
1055 | } | |
1056 | ||
1057 | static gboolean | |
1058 | rrd_entry_is_old( | |
1059 | gpointer key, | |
1060 | gpointer value, | |
1061 | gpointer user_data) | |
1062 | { | |
1063 | rrdentry_t *entry = (rrdentry_t *)value; | |
1064 | uint32_t ctime = GPOINTER_TO_UINT(user_data); | |
1065 | ||
1066 | int diff = ctime - entry->time; | |
1067 | ||
1068 | /* remove everything older than 5 minutes */ | |
1069 | int expire = 60*5; | |
1070 | ||
1071 | return (diff > expire) ? TRUE : FALSE; | |
1072 | } | |
1073 | ||
1074 | static char *rrd_dump_buf = NULL; | |
1075 | static time_t rrd_dump_last = 0; | |
1076 | ||
1077 | void | |
1078 | cfs_rrd_dump(GString *str) | |
1079 | { | |
1080 | time_t ctime; | |
fe000966 | 1081 | |
663896cf TL |
1082 | g_mutex_lock (&mutex); |
1083 | ||
1084 | time(&ctime); | |
fe000966 DM |
1085 | if (rrd_dump_buf && (ctime - rrd_dump_last) < 2) { |
1086 | g_string_assign(str, rrd_dump_buf); | |
663896cf | 1087 | g_mutex_unlock (&mutex); |
fe000966 DM |
1088 | return; |
1089 | } | |
1090 | ||
1091 | /* remove old data */ | |
1092 | g_hash_table_foreach_remove(cfs_status.rrdhash, rrd_entry_is_old, | |
1093 | GUINT_TO_POINTER(ctime)); | |
1094 | ||
1095 | g_string_set_size(str, 0); | |
1096 | ||
1097 | GHashTableIter iter; | |
1098 | gpointer key, value; | |
1099 | ||
1100 | g_hash_table_iter_init (&iter, cfs_status.rrdhash); | |
1101 | ||
1102 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1103 | rrdentry_t *entry = (rrdentry_t *)value; | |
1104 | g_string_append(str, key); | |
1105 | g_string_append(str, ":"); | |
1106 | g_string_append(str, entry->data); | |
1107 | g_string_append(str, "\n"); | |
1108 | } | |
1109 | ||
1110 | g_string_append_c(str, 0); // never return undef | |
1111 | ||
1112 | rrd_dump_last = ctime; | |
1113 | if (rrd_dump_buf) | |
1114 | g_free(rrd_dump_buf); | |
1115 | rrd_dump_buf = g_strdup(str->str); | |
663896cf TL |
1116 | |
1117 | g_mutex_unlock (&mutex); | |
fe000966 DM |
1118 | } |
1119 | ||
1120 | static gboolean | |
1121 | nodeip_hash_set( | |
1122 | GHashTable *iphash, | |
1123 | const char *nodename, | |
1124 | const char *ip, | |
1125 | size_t len) | |
1126 | { | |
1127 | g_return_val_if_fail(iphash != NULL, FALSE); | |
1128 | g_return_val_if_fail(nodename != NULL, FALSE); | |
1129 | g_return_val_if_fail(ip != NULL, FALSE); | |
1130 | g_return_val_if_fail(len > 0, FALSE); | |
1131 | g_return_val_if_fail(len < 256, FALSE); | |
1132 | g_return_val_if_fail(ip[len-1] == 0, FALSE); | |
1133 | ||
1134 | char *oldip = (char *)g_hash_table_lookup(iphash, nodename); | |
1135 | ||
1136 | if (!oldip || (strcmp(oldip, ip) != 0)) { | |
1137 | cfs_status.clinfo_version++; | |
1138 | g_hash_table_replace(iphash, g_strdup(nodename), g_strdup(ip)); | |
1139 | } | |
1140 | ||
1141 | return TRUE; | |
1142 | } | |
1143 | ||
1144 | static gboolean | |
1145 | rrdentry_hash_set( | |
1146 | GHashTable *rrdhash, | |
1147 | const char *key, | |
1148 | const char *data, | |
1149 | size_t len) | |
1150 | { | |
1151 | g_return_val_if_fail(rrdhash != NULL, FALSE); | |
1152 | g_return_val_if_fail(key != NULL, FALSE); | |
1153 | g_return_val_if_fail(data != NULL, FALSE); | |
1154 | g_return_val_if_fail(len > 0, FALSE); | |
1155 | g_return_val_if_fail(len < 4096, FALSE); | |
1156 | g_return_val_if_fail(data[len-1] == 0, FALSE); | |
1157 | ||
1158 | rrdentry_t *entry; | |
1159 | if ((entry = (rrdentry_t *)g_hash_table_lookup(rrdhash, key))) { | |
1160 | g_free(entry->data); | |
1161 | entry->data = g_memdup(data, len); | |
1162 | entry->len = len; | |
1163 | entry->time = time(NULL); | |
1164 | } else { | |
1165 | rrdentry_t *entry = g_new0(rrdentry_t, 1); | |
1166 | ||
1167 | entry->key = g_strdup(key); | |
1168 | entry->data = g_memdup(data, len); | |
1169 | entry->len = len; | |
1170 | entry->time = time(NULL); | |
1171 | ||
1172 | g_hash_table_replace(rrdhash, entry->key, entry); | |
1173 | } | |
1174 | ||
1175 | update_rrd_data(key, data, len); | |
1176 | ||
1177 | return TRUE; | |
1178 | } | |
1179 | ||
1180 | static int | |
1181 | kvstore_send_update_message( | |
1182 | dfsm_t *dfsm, | |
1183 | const char *key, | |
1184 | gpointer data, | |
1185 | guint32 len) | |
1186 | { | |
af2e9dd4 DM |
1187 | if (!dfsm_is_initialized(dfsm)) |
1188 | return -EACCES; | |
fe000966 DM |
1189 | |
1190 | struct iovec iov[2]; | |
1191 | ||
1192 | char name[256]; | |
1193 | g_strlcpy(name, key, sizeof(name)); | |
1194 | ||
1195 | iov[0].iov_base = &name; | |
1196 | iov[0].iov_len = sizeof(name); | |
1197 | ||
1198 | iov[1].iov_base = (char *)data; | |
1199 | iov[1].iov_len = len; | |
1200 | ||
1201 | if (dfsm_send_message(dfsm, KVSTORE_MESSAGE_UPDATE, iov, 2) == CS_OK) | |
1202 | return 0; | |
1203 | ||
1204 | return -EACCES; | |
1205 | } | |
1206 | ||
1207 | static clog_entry_t * | |
1208 | kvstore_parse_log_message( | |
1209 | const void *msg, | |
1210 | size_t msg_len) | |
1211 | { | |
1212 | g_return_val_if_fail(msg != NULL, NULL); | |
1213 | ||
1214 | if (msg_len < sizeof(clog_entry_t)) { | |
e5a5a3ea | 1215 | cfs_critical("received short log message (%zu < %zu)", msg_len, sizeof(clog_entry_t)); |
fe000966 DM |
1216 | return NULL; |
1217 | } | |
1218 | ||
1219 | clog_entry_t *entry = (clog_entry_t *)msg; | |
1220 | ||
1221 | uint32_t size = sizeof(clog_entry_t) + entry->node_len + | |
1222 | entry->ident_len + entry->tag_len + entry->msg_len; | |
1223 | ||
1224 | if (msg_len != size) { | |
e5a5a3ea | 1225 | cfs_critical("received log message with wrong size (%zu != %u)", msg_len, size); |
fe000966 DM |
1226 | return NULL; |
1227 | } | |
1228 | ||
1229 | msg = entry->data; | |
1230 | ||
1231 | if (*((char *)msg + entry->node_len - 1)) { | |
1232 | cfs_critical("unterminated string in log message"); | |
1233 | return NULL; | |
1234 | } | |
1235 | msg += entry->node_len; | |
1236 | ||
1237 | if (*((char *)msg + entry->ident_len - 1)) { | |
1238 | cfs_critical("unterminated string in log message"); | |
1239 | return NULL; | |
1240 | } | |
1241 | msg += entry->ident_len; | |
1242 | ||
1243 | if (*((char *)msg + entry->tag_len - 1)) { | |
1244 | cfs_critical("unterminated string in log message"); | |
1245 | return NULL; | |
1246 | } | |
1247 | msg += entry->tag_len; | |
1248 | ||
1249 | if (*((char *)msg + entry->msg_len - 1)) { | |
1250 | cfs_critical("unterminated string in log message"); | |
1251 | return NULL; | |
1252 | } | |
1253 | ||
1254 | return entry; | |
1255 | } | |
1256 | ||
1257 | static gboolean | |
1258 | kvstore_parse_update_message( | |
1259 | const void *msg, | |
1260 | size_t msg_len, | |
1261 | const char **key, | |
1262 | gconstpointer *data, | |
1263 | guint32 *len) | |
1264 | { | |
1265 | g_return_val_if_fail(msg != NULL, FALSE); | |
1266 | g_return_val_if_fail(key != NULL, FALSE); | |
1267 | g_return_val_if_fail(data != NULL, FALSE); | |
1268 | g_return_val_if_fail(len != NULL, FALSE); | |
1269 | ||
1270 | if (msg_len < 256) { | |
e5a5a3ea | 1271 | cfs_critical("received short kvstore message (%zu < 256)", msg_len); |
fe000966 DM |
1272 | return FALSE; |
1273 | } | |
1274 | ||
1275 | /* test if key is null terminated */ | |
1276 | int i = 0; | |
1277 | for (i = 0; i < 256; i++) | |
1278 | if (((char *)msg)[i] == 0) | |
1279 | break; | |
1280 | ||
1281 | if (i == 256) | |
1282 | return FALSE; | |
1283 | ||
1284 | ||
1285 | *len = msg_len - 256; | |
1286 | *key = msg; | |
1287 | *data = msg + 256; | |
1288 | ||
1289 | return TRUE; | |
1290 | } | |
1291 | ||
1292 | int | |
1293 | cfs_create_status_msg( | |
1294 | GString *str, | |
1295 | const char *nodename, | |
1296 | const char *key) | |
1297 | { | |
1298 | g_return_val_if_fail(str != NULL, -EINVAL); | |
1299 | g_return_val_if_fail(key != NULL, -EINVAL); | |
1300 | ||
1301 | int res = -ENOENT; | |
1302 | ||
1303 | GHashTable *kvhash = NULL; | |
1304 | ||
89fde9ac | 1305 | g_mutex_lock (&mutex); |
fe000966 DM |
1306 | |
1307 | if (!nodename || !nodename[0] || !strcmp(nodename, cfs.nodename)) { | |
1308 | kvhash = cfs_status.kvhash; | |
043bbd8f | 1309 | } else if (cfs_status.clinfo && cfs_status.clinfo->nodes_byname) { |
fe000966 DM |
1310 | cfs_clnode_t *clnode; |
1311 | if ((clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byname, nodename))) | |
1312 | kvhash = clnode->kvhash; | |
1313 | } | |
1314 | ||
1315 | kventry_t *entry; | |
1316 | if (kvhash && (entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
1317 | g_string_append_len(str, entry->data, entry->len); | |
1318 | res = 0; | |
1319 | } | |
1320 | ||
89fde9ac | 1321 | g_mutex_unlock (&mutex); |
fe000966 DM |
1322 | |
1323 | return res; | |
1324 | } | |
1325 | ||
1326 | int | |
1327 | cfs_status_set( | |
1328 | const char *key, | |
1329 | gpointer data, | |
1330 | size_t len) | |
1331 | { | |
1332 | g_return_val_if_fail(key != NULL, FALSE); | |
1333 | g_return_val_if_fail(data != NULL, FALSE); | |
1334 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1335 | ||
1336 | if (len > CFS_MAX_STATUS_SIZE) | |
1337 | return -EFBIG; | |
1338 | ||
89fde9ac | 1339 | g_mutex_lock (&mutex); |
fe000966 DM |
1340 | |
1341 | gboolean res; | |
1342 | ||
1343 | if (strncmp(key, "rrd/", 4) == 0) { | |
1344 | res = rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1345 | } else if (!strcmp(key, "nodeip")) { | |
1346 | res = nodeip_hash_set(cfs_status.iphash, cfs.nodename, data, len); | |
1347 | } else { | |
1348 | res = kventry_hash_set(cfs_status.kvhash, key, data, len); | |
1349 | } | |
89fde9ac | 1350 | g_mutex_unlock (&mutex); |
fe000966 DM |
1351 | |
1352 | if (cfs_status.kvstore) | |
1353 | kvstore_send_update_message(cfs_status.kvstore, key, data, len); | |
1354 | ||
1355 | return res ? 0 : -ENOMEM; | |
1356 | } | |
1357 | ||
1358 | gboolean | |
1359 | cfs_kvstore_node_set( | |
1360 | uint32_t nodeid, | |
1361 | const char *key, | |
1362 | gconstpointer data, | |
1363 | size_t len) | |
1364 | { | |
1365 | g_return_val_if_fail(nodeid != 0, FALSE); | |
1366 | g_return_val_if_fail(key != NULL, FALSE); | |
1367 | g_return_val_if_fail(data != NULL, FALSE); | |
1368 | ||
89fde9ac | 1369 | g_mutex_lock (&mutex); |
fe000966 DM |
1370 | |
1371 | if (!cfs_status.clinfo || !cfs_status.clinfo->nodes_byid) | |
1372 | goto ret; /* ignore */ | |
1373 | ||
1374 | cfs_clnode_t *clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byid, &nodeid); | |
1375 | if (!clnode) | |
1376 | goto ret; /* ignore */ | |
1377 | ||
1378 | cfs_debug("got node %d status update %s", nodeid, key); | |
1379 | ||
1380 | if (strncmp(key, "rrd/", 4) == 0) { | |
1381 | rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1382 | } else if (!strcmp(key, "nodeip")) { | |
1383 | nodeip_hash_set(cfs_status.iphash, clnode->name, data, len); | |
1384 | } else { | |
1385 | if (!clnode->kvhash) { | |
1386 | if (!(clnode->kvhash = kventry_hash_new())) { | |
1387 | goto ret; /*ignore */ | |
1388 | } | |
1389 | } | |
1390 | ||
1391 | kventry_hash_set(clnode->kvhash, key, data, len); | |
1392 | ||
1393 | } | |
1394 | ret: | |
89fde9ac | 1395 | g_mutex_unlock (&mutex); |
fe000966 DM |
1396 | |
1397 | return TRUE; | |
1398 | } | |
1399 | ||
1400 | static gboolean | |
1401 | cfs_kvstore_sync(void) | |
1402 | { | |
1403 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1404 | g_return_val_if_fail(cfs_status.kvstore != NULL, FALSE); | |
1405 | ||
1406 | gboolean res = TRUE; | |
1407 | ||
89fde9ac | 1408 | g_mutex_lock (&mutex); |
fe000966 DM |
1409 | |
1410 | GHashTable *ht = cfs_status.kvhash; | |
1411 | GHashTableIter iter; | |
1412 | gpointer key, value; | |
1413 | ||
1414 | g_hash_table_iter_init (&iter, ht); | |
1415 | ||
1416 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1417 | kventry_t *entry = (kventry_t *)value; | |
1418 | kvstore_send_update_message(cfs_status.kvstore, entry->key, entry->data, entry->len); | |
1419 | } | |
1420 | ||
89fde9ac | 1421 | g_mutex_unlock (&mutex); |
fe000966 DM |
1422 | |
1423 | return res; | |
1424 | } | |
1425 | ||
1426 | static int | |
1427 | dfsm_deliver( | |
1428 | dfsm_t *dfsm, | |
1429 | gpointer data, | |
1430 | int *res_ptr, | |
1431 | uint32_t nodeid, | |
1432 | uint32_t pid, | |
1433 | uint16_t msg_type, | |
1434 | uint32_t msg_time, | |
1435 | const void *msg, | |
1436 | size_t msg_len) | |
1437 | { | |
1438 | g_return_val_if_fail(dfsm != NULL, -1); | |
1439 | g_return_val_if_fail(msg != NULL, -1); | |
1440 | g_return_val_if_fail(res_ptr != NULL, -1); | |
1441 | ||
1442 | /* ignore message for ourself */ | |
1443 | if (dfsm_nodeid_is_local(dfsm, nodeid, pid)) | |
1444 | goto ret; | |
1445 | ||
1446 | if (msg_type == KVSTORE_MESSAGE_UPDATE) { | |
1447 | const char *key; | |
1448 | gconstpointer data; | |
1449 | guint32 len; | |
1450 | if (kvstore_parse_update_message(msg, msg_len, &key, &data, &len)) { | |
1451 | cfs_kvstore_node_set(nodeid, key, data, len); | |
1452 | } else { | |
1453 | cfs_critical("cant parse update message"); | |
1454 | } | |
1455 | } else if (msg_type == KVSTORE_MESSAGE_LOG) { | |
1456 | cfs_message("received log"); // fixme: remove | |
1457 | const clog_entry_t *entry; | |
1458 | if ((entry = kvstore_parse_log_message(msg, msg_len))) { | |
1459 | clusterlog_insert(cfs_status.clusterlog, entry); | |
1460 | } else { | |
1461 | cfs_critical("cant parse log message"); | |
1462 | } | |
1463 | } else { | |
1464 | cfs_critical("received unknown message type %d\n", msg_type); | |
1465 | goto fail; | |
1466 | } | |
1467 | ||
1468 | ret: | |
1469 | *res_ptr = 0; | |
1470 | return 1; | |
1471 | ||
1472 | fail: | |
1473 | *res_ptr = -EACCES; | |
1474 | return 1; | |
1475 | } | |
1476 | ||
1477 | static void | |
1478 | dfsm_confchg( | |
1479 | dfsm_t *dfsm, | |
1480 | gpointer data, | |
1481 | const struct cpg_address *member_list, | |
1482 | size_t member_list_entries) | |
1483 | { | |
1484 | g_return_if_fail(dfsm != NULL); | |
1485 | g_return_if_fail(member_list != NULL); | |
1486 | ||
1487 | cfs_debug("enter %s", __func__); | |
1488 | ||
89fde9ac | 1489 | g_mutex_lock (&mutex); |
fe000966 DM |
1490 | |
1491 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
1492 | ||
1493 | if (clinfo && clinfo->nodes_byid) { | |
1494 | ||
1495 | GHashTable *ht = clinfo->nodes_byid; | |
1496 | GHashTableIter iter; | |
1497 | gpointer key, value; | |
1498 | ||
1499 | g_hash_table_iter_init (&iter, ht); | |
1500 | ||
1501 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1502 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
1503 | node->online = FALSE; | |
1504 | } | |
1505 | ||
1506 | for (int i = 0; i < member_list_entries; i++) { | |
1507 | cfs_clnode_t *node; | |
1508 | if ((node = g_hash_table_lookup(clinfo->nodes_byid, &member_list[i].nodeid))) { | |
1509 | node->online = TRUE; | |
1510 | } | |
1511 | } | |
1512 | ||
1513 | cfs_status.clinfo_version++; | |
1514 | } | |
1515 | ||
89fde9ac | 1516 | g_mutex_unlock (&mutex); |
fe000966 DM |
1517 | } |
1518 | ||
1519 | static gpointer | |
1520 | dfsm_get_state( | |
1521 | dfsm_t *dfsm, | |
1522 | gpointer data, | |
1523 | unsigned int *res_len) | |
1524 | { | |
1525 | g_return_val_if_fail(dfsm != NULL, NULL); | |
1526 | ||
1527 | gpointer msg = clusterlog_get_state(cfs_status.clusterlog, res_len); | |
1528 | ||
1529 | return msg; | |
1530 | } | |
1531 | ||
1532 | static int | |
1533 | dfsm_process_update( | |
1534 | dfsm_t *dfsm, | |
1535 | gpointer data, | |
1536 | dfsm_sync_info_t *syncinfo, | |
1537 | uint32_t nodeid, | |
1538 | uint32_t pid, | |
1539 | const void *msg, | |
1540 | size_t msg_len) | |
1541 | { | |
1542 | cfs_critical("%s: received unexpected update message", __func__); | |
1543 | ||
1544 | return -1; | |
1545 | } | |
1546 | ||
1547 | static int | |
1548 | dfsm_process_state_update( | |
1549 | dfsm_t *dfsm, | |
1550 | gpointer data, | |
1551 | dfsm_sync_info_t *syncinfo) | |
1552 | { | |
1553 | g_return_val_if_fail(dfsm != NULL, -1); | |
1554 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1555 | ||
1556 | clog_base_t *clog[syncinfo->node_count]; | |
1557 | ||
1558 | int local_index = -1; | |
1559 | for (int i = 0; i < syncinfo->node_count; i++) { | |
1560 | dfsm_node_info_t *ni = &syncinfo->nodes[i]; | |
1561 | ni->synced = 1; | |
1562 | ||
1563 | if (syncinfo->local == ni) | |
1564 | local_index = i; | |
1565 | ||
1566 | clog_base_t *base = (clog_base_t *)ni->state; | |
1567 | if (ni->state_len > 8 && ni->state_len == clog_size(base)) { | |
1568 | clog[i] = ni->state; | |
1569 | } else { | |
1570 | cfs_critical("received log with wrong size %u", ni->state_len); | |
1571 | clog[i] = NULL; | |
1572 | } | |
1573 | } | |
1574 | ||
1575 | if (!clusterlog_merge(cfs_status.clusterlog, clog, syncinfo->node_count, local_index)) { | |
1576 | cfs_critical("unable to merge log files"); | |
1577 | } | |
1578 | ||
1579 | cfs_kvstore_sync(); | |
1580 | ||
1581 | return 1; | |
1582 | } | |
1583 | ||
1584 | static int | |
1585 | dfsm_commit( | |
1586 | dfsm_t *dfsm, | |
1587 | gpointer data, | |
1588 | dfsm_sync_info_t *syncinfo) | |
1589 | { | |
1590 | g_return_val_if_fail(dfsm != NULL, -1); | |
1591 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1592 | ||
1593 | return 1; | |
1594 | } | |
1595 | ||
1596 | static void | |
1597 | dfsm_synced(dfsm_t *dfsm) | |
1598 | { | |
1599 | g_return_if_fail(dfsm != NULL); | |
1600 | ||
1601 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, cfs.nodename); | |
1602 | if (!ip) | |
1603 | ip = cfs.ip; | |
1604 | ||
1605 | cfs_status_set("nodeip", ip, strlen(ip) + 1); | |
1606 | } | |
1607 | ||
1608 | static int | |
1609 | dfsm_cleanup( | |
1610 | dfsm_t *dfsm, | |
1611 | gpointer data, | |
1612 | dfsm_sync_info_t *syncinfo) | |
1613 | { | |
1614 | return 1; | |
1615 | } | |
1616 | ||
1617 | static dfsm_callbacks_t kvstore_dfsm_callbacks = { | |
1618 | .dfsm_deliver_fn = dfsm_deliver, | |
1619 | .dfsm_confchg_fn = dfsm_confchg, | |
1620 | ||
1621 | .dfsm_get_state_fn = dfsm_get_state, | |
1622 | .dfsm_process_state_update_fn = dfsm_process_state_update, | |
1623 | .dfsm_process_update_fn = dfsm_process_update, | |
1624 | .dfsm_commit_fn = dfsm_commit, | |
1625 | .dfsm_cleanup_fn = dfsm_cleanup, | |
1626 | .dfsm_synced_fn = dfsm_synced, | |
1627 | }; | |
1628 | ||
1629 | dfsm_t * | |
1630 | cfs_status_dfsm_new(void) | |
1631 | { | |
89fde9ac | 1632 | g_mutex_lock (&mutex); |
fe000966 DM |
1633 | |
1634 | cfs_status.kvstore = dfsm_new(NULL, KVSTORE_CPG_GROUP_NAME, G_LOG_DOMAIN, | |
1635 | 0, &kvstore_dfsm_callbacks); | |
89fde9ac | 1636 | g_mutex_unlock (&mutex); |
fe000966 DM |
1637 | |
1638 | return cfs_status.kvstore; | |
1639 | } | |
1640 | ||
1641 | gboolean | |
1642 | cfs_is_quorate(void) | |
1643 | { | |
89fde9ac | 1644 | g_mutex_lock (&mutex); |
fe000966 | 1645 | gboolean res = cfs_status.quorate; |
89fde9ac | 1646 | g_mutex_unlock (&mutex); |
fe000966 DM |
1647 | |
1648 | return res; | |
1649 | } | |
1650 | ||
1651 | void | |
1652 | cfs_set_quorate( | |
1653 | uint32_t quorate, | |
1654 | gboolean quiet) | |
1655 | { | |
89fde9ac | 1656 | g_mutex_lock (&mutex); |
fe000966 DM |
1657 | |
1658 | uint32_t prev_quorate = cfs_status.quorate; | |
1659 | cfs_status.quorate = quorate; | |
1660 | ||
1661 | if (!prev_quorate && cfs_status.quorate) { | |
1662 | if (!quiet) | |
1663 | cfs_message("node has quorum"); | |
1664 | } | |
1665 | ||
1666 | if (prev_quorate && !cfs_status.quorate) { | |
1667 | if (!quiet) | |
1668 | cfs_message("node lost quorum"); | |
1669 | } | |
1670 | ||
89fde9ac | 1671 | g_mutex_unlock (&mutex); |
fe000966 DM |
1672 | } |
1673 |