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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 | ||
c26ca647 TL |
162 | static const char *vminfo_type_to_string(vminfo_t *vminfo) { |
163 | if (vminfo->vmtype == VMTYPE_QEMU) { | |
164 | return "qemu"; | |
165 | } else if (vminfo->vmtype == VMTYPE_OPENVZ) { | |
166 | return "openvz"; | |
167 | } else if (vminfo->vmtype == VMTYPE_LXC) { | |
168 | return "lxc"; | |
169 | } else { | |
170 | return "unknown"; | |
171 | } | |
172 | } | |
173 | ||
fe000966 DM |
174 | void cfs_clnode_destroy( |
175 | cfs_clnode_t *clnode) | |
176 | { | |
177 | g_return_if_fail(clnode != NULL); | |
178 | ||
179 | if (clnode->kvhash) | |
180 | g_hash_table_destroy(clnode->kvhash); | |
181 | ||
182 | if (clnode->name) | |
183 | g_free(clnode->name); | |
184 | ||
185 | g_free(clnode); | |
186 | } | |
187 | ||
188 | cfs_clnode_t *cfs_clnode_new( | |
189 | const char *name, | |
190 | uint32_t nodeid, | |
191 | uint32_t votes) | |
192 | { | |
193 | g_return_val_if_fail(name != NULL, NULL); | |
194 | ||
195 | cfs_clnode_t *clnode = g_new0(cfs_clnode_t, 1); | |
196 | if (!clnode) | |
197 | return NULL; | |
198 | ||
199 | clnode->name = g_strdup(name); | |
200 | clnode->nodeid = nodeid; | |
201 | clnode->votes = votes; | |
202 | ||
203 | return clnode; | |
204 | } | |
205 | ||
206 | gboolean cfs_clinfo_destroy( | |
207 | cfs_clinfo_t *clinfo) | |
208 | { | |
209 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
210 | ||
211 | if (clinfo->cluster_name) | |
212 | g_free(clinfo->cluster_name); | |
213 | ||
214 | if (clinfo->nodes_byname) | |
215 | g_hash_table_destroy(clinfo->nodes_byname); | |
216 | ||
217 | if (clinfo->nodes_byid) | |
218 | g_hash_table_destroy(clinfo->nodes_byid); | |
219 | ||
220 | g_free(clinfo); | |
221 | ||
222 | return TRUE; | |
223 | } | |
224 | ||
225 | cfs_clinfo_t *cfs_clinfo_new( | |
226 | const char *cluster_name, | |
227 | uint32_t cman_version) | |
228 | { | |
229 | g_return_val_if_fail(cluster_name != NULL, NULL); | |
230 | ||
231 | cfs_clinfo_t *clinfo = g_new0(cfs_clinfo_t, 1); | |
232 | if (!clinfo) | |
233 | return NULL; | |
234 | ||
235 | clinfo->cluster_name = g_strdup(cluster_name); | |
236 | clinfo->cman_version = cman_version; | |
237 | ||
238 | if (!(clinfo->nodes_byid = g_hash_table_new_full( | |
239 | g_int32_hash, g_int32_equal, NULL, | |
240 | (GDestroyNotify)cfs_clnode_destroy))) | |
241 | goto fail; | |
242 | ||
243 | if (!(clinfo->nodes_byname = g_hash_table_new(g_str_hash, g_str_equal))) | |
244 | goto fail; | |
245 | ||
246 | return clinfo; | |
247 | ||
248 | fail: | |
249 | cfs_clinfo_destroy(clinfo); | |
250 | ||
251 | return NULL; | |
252 | } | |
253 | ||
254 | gboolean cfs_clinfo_add_node( | |
255 | cfs_clinfo_t *clinfo, | |
256 | cfs_clnode_t *clnode) | |
257 | { | |
258 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
259 | g_return_val_if_fail(clnode != NULL, FALSE); | |
260 | ||
261 | g_hash_table_replace(clinfo->nodes_byid, &clnode->nodeid, clnode); | |
262 | g_hash_table_replace(clinfo->nodes_byname, clnode->name, clnode); | |
263 | ||
264 | return TRUE; | |
265 | } | |
266 | ||
267 | int | |
268 | cfs_create_memberlist_msg( | |
269 | GString *str) | |
270 | { | |
271 | g_return_val_if_fail(str != NULL, -EINVAL); | |
272 | ||
89fde9ac | 273 | g_mutex_lock (&mutex); |
fe000966 DM |
274 | |
275 | g_string_append_printf(str,"{\n"); | |
276 | ||
277 | guint nodecount = 0; | |
278 | ||
279 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
280 | ||
281 | if (clinfo && clinfo->nodes_byid) | |
282 | nodecount = g_hash_table_size(clinfo->nodes_byid); | |
283 | ||
284 | if (nodecount) { | |
285 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
286 | g_string_append_printf(str, "\"version\": %u,\n", cfs_status.clinfo_version); | |
287 | ||
288 | g_string_append_printf(str, "\"cluster\": { "); | |
289 | g_string_append_printf(str, "\"name\": \"%s\", \"version\": %d, " | |
290 | "\"nodes\": %d, \"quorate\": %d ", | |
291 | clinfo->cluster_name, clinfo->cman_version, | |
292 | nodecount, cfs_status.quorate); | |
293 | ||
294 | g_string_append_printf(str,"},\n"); | |
295 | g_string_append_printf(str,"\"nodelist\": {\n"); | |
296 | ||
297 | GHashTable *ht = clinfo->nodes_byid; | |
298 | GHashTableIter iter; | |
299 | gpointer key, value; | |
300 | ||
301 | g_hash_table_iter_init (&iter, ht); | |
302 | ||
303 | int i = 0; | |
304 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
305 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
306 | if (i) g_string_append_printf(str, ",\n"); | |
307 | i++; | |
308 | ||
309 | g_string_append_printf(str, " \"%s\": { \"id\": %d, \"online\": %d", | |
310 | node->name, node->nodeid, node->online); | |
311 | ||
312 | ||
313 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, node->name); | |
314 | if (ip) { | |
315 | g_string_append_printf(str, ", \"ip\": \"%s\"", ip); | |
316 | } | |
317 | ||
318 | g_string_append_printf(str, "}"); | |
319 | ||
320 | } | |
321 | g_string_append_printf(str,"\n }\n"); | |
322 | } else { | |
323 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
324 | g_string_append_printf(str, "\"version\": %u\n", cfs_status.clinfo_version); | |
325 | } | |
326 | ||
327 | g_string_append_printf(str,"}\n"); | |
328 | ||
89fde9ac | 329 | g_mutex_unlock (&mutex); |
fe000966 DM |
330 | |
331 | return 0; | |
332 | } | |
333 | ||
334 | static void | |
335 | kventry_free(kventry_t *entry) | |
336 | { | |
337 | g_return_if_fail(entry != NULL); | |
338 | ||
339 | g_free(entry->key); | |
340 | g_free(entry->data); | |
341 | g_free(entry); | |
342 | } | |
343 | ||
344 | static GHashTable * | |
345 | kventry_hash_new(void) | |
346 | { | |
347 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
348 | (GDestroyNotify)kventry_free); | |
349 | } | |
350 | ||
351 | static void | |
352 | rrdentry_free(rrdentry_t *entry) | |
353 | { | |
354 | g_return_if_fail(entry != NULL); | |
355 | ||
356 | g_free(entry->key); | |
357 | g_free(entry->data); | |
358 | g_free(entry); | |
359 | } | |
360 | ||
361 | static GHashTable * | |
362 | rrdentry_hash_new(void) | |
363 | { | |
364 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
365 | (GDestroyNotify)rrdentry_free); | |
366 | } | |
367 | ||
368 | void | |
369 | cfs_cluster_log_dump(GString *str, const char *user, guint max_entries) | |
370 | { | |
371 | clusterlog_dump(cfs_status.clusterlog, str, user, max_entries); | |
372 | } | |
373 | ||
374 | void | |
375 | cfs_cluster_log(clog_entry_t *entry) | |
376 | { | |
377 | g_return_if_fail(entry != NULL); | |
378 | ||
379 | clusterlog_insert(cfs_status.clusterlog, entry); | |
380 | ||
381 | if (cfs_status.kvstore) { | |
382 | struct iovec iov[1]; | |
383 | iov[0].iov_base = (char *)entry; | |
384 | iov[0].iov_len = clog_entry_size(entry); | |
385 | ||
af2e9dd4 DM |
386 | if (dfsm_is_initialized(cfs_status.kvstore)) |
387 | dfsm_send_message(cfs_status.kvstore, KVSTORE_MESSAGE_LOG, iov, 1); | |
fe000966 DM |
388 | } |
389 | } | |
390 | ||
391 | void cfs_status_init(void) | |
392 | { | |
89fde9ac | 393 | g_mutex_lock (&mutex); |
fe000966 DM |
394 | |
395 | cfs_status.start_time = time(NULL); | |
396 | ||
397 | cfs_status.vmlist = vmlist_hash_new(); | |
398 | ||
399 | cfs_status.kvhash = kventry_hash_new(); | |
400 | ||
401 | cfs_status.rrdhash = rrdentry_hash_new(); | |
402 | ||
403 | cfs_status.iphash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free); | |
404 | ||
405 | cfs_status.memdb_changes = g_hash_table_new(g_str_hash, g_str_equal); | |
406 | ||
407 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
408 | g_hash_table_replace(cfs_status.memdb_changes, | |
409 | memdb_change_array[i].path, | |
410 | &memdb_change_array[i]); | |
411 | } | |
412 | ||
413 | cfs_status.clusterlog = clusterlog_new(); | |
414 | ||
415 | // fixme: | |
416 | clusterlog_add(cfs_status.clusterlog, "root", "cluster", getpid(), | |
417 | LOG_INFO, "starting cluster log"); | |
418 | ||
89fde9ac | 419 | g_mutex_unlock (&mutex); |
fe000966 DM |
420 | } |
421 | ||
422 | void cfs_status_cleanup(void) | |
423 | { | |
89fde9ac | 424 | g_mutex_lock (&mutex); |
fe000966 DM |
425 | |
426 | cfs_status.clinfo_version++; | |
427 | ||
428 | if (cfs_status.clinfo) { | |
429 | cfs_clinfo_destroy(cfs_status.clinfo); | |
430 | cfs_status.clinfo = NULL; | |
431 | } | |
432 | ||
433 | if (cfs_status.vmlist) { | |
434 | g_hash_table_destroy(cfs_status.vmlist); | |
435 | cfs_status.vmlist = NULL; | |
436 | } | |
437 | ||
438 | if (cfs_status.kvhash) { | |
439 | g_hash_table_destroy(cfs_status.kvhash); | |
440 | cfs_status.kvhash = NULL; | |
441 | } | |
442 | ||
443 | if (cfs_status.rrdhash) { | |
444 | g_hash_table_destroy(cfs_status.rrdhash); | |
445 | cfs_status.rrdhash = NULL; | |
446 | } | |
447 | ||
448 | if (cfs_status.iphash) { | |
449 | g_hash_table_destroy(cfs_status.iphash); | |
450 | cfs_status.iphash = NULL; | |
451 | } | |
452 | ||
453 | if (cfs_status.clusterlog) | |
454 | clusterlog_destroy(cfs_status.clusterlog); | |
455 | ||
89fde9ac | 456 | g_mutex_unlock (&mutex); |
fe000966 DM |
457 | } |
458 | ||
459 | void cfs_status_set_clinfo( | |
460 | cfs_clinfo_t *clinfo) | |
461 | { | |
462 | g_return_if_fail(clinfo != NULL); | |
463 | ||
89fde9ac | 464 | g_mutex_lock (&mutex); |
fe000966 DM |
465 | |
466 | cfs_status.clinfo_version++; | |
467 | ||
468 | cfs_clinfo_t *old = cfs_status.clinfo; | |
469 | ||
470 | cfs_status.clinfo = clinfo; | |
471 | ||
472 | cfs_message("update cluster info (cluster name %s, version = %d)", | |
473 | clinfo->cluster_name, clinfo->cman_version); | |
474 | ||
475 | ||
476 | if (old && old->nodes_byid && clinfo->nodes_byid) { | |
477 | /* copy kvstore */ | |
478 | GHashTable *ht = clinfo->nodes_byid; | |
479 | GHashTableIter iter; | |
480 | gpointer key, value; | |
481 | ||
482 | g_hash_table_iter_init (&iter, ht); | |
483 | ||
484 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
485 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
486 | cfs_clnode_t *oldnode; | |
469d3acb | 487 | if ((oldnode = g_hash_table_lookup(old->nodes_byid, key))) { |
fe000966 DM |
488 | node->online = oldnode->online; |
489 | node->kvhash = oldnode->kvhash; | |
490 | oldnode->kvhash = NULL; | |
491 | } | |
492 | } | |
493 | ||
494 | } | |
495 | ||
496 | if (old) | |
497 | cfs_clinfo_destroy(old); | |
498 | ||
499 | ||
89fde9ac | 500 | g_mutex_unlock (&mutex); |
fe000966 DM |
501 | } |
502 | ||
503 | static void | |
504 | dump_kvstore_versions( | |
505 | GString *str, | |
506 | GHashTable *kvhash, | |
507 | const char *nodename) | |
508 | { | |
509 | g_return_if_fail(kvhash != NULL); | |
510 | g_return_if_fail(str != NULL); | |
511 | g_return_if_fail(nodename != NULL); | |
512 | ||
513 | GHashTable *ht = kvhash; | |
514 | GHashTableIter iter; | |
515 | gpointer key, value; | |
516 | ||
517 | g_string_append_printf(str, "\"%s\": {\n", nodename); | |
518 | ||
519 | g_hash_table_iter_init (&iter, ht); | |
520 | ||
521 | int i = 0; | |
522 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
523 | kventry_t *entry = (kventry_t *)value; | |
524 | if (i) g_string_append_printf(str, ",\n"); | |
525 | i++; | |
526 | g_string_append_printf(str,"\"%s\": %u", entry->key, entry->version); | |
527 | } | |
528 | ||
529 | g_string_append_printf(str, "}\n"); | |
530 | } | |
531 | ||
532 | int | |
533 | cfs_create_version_msg(GString *str) | |
534 | { | |
535 | g_return_val_if_fail(str != NULL, -EINVAL); | |
536 | ||
89fde9ac | 537 | g_mutex_lock (&mutex); |
fe000966 DM |
538 | |
539 | g_string_append_printf(str,"{\n"); | |
540 | ||
541 | g_string_append_printf(str, "\"starttime\": %lu,\n", (unsigned long)cfs_status.start_time); | |
542 | ||
543 | g_string_append_printf(str, "\"clinfo\": %u,\n", cfs_status.clinfo_version); | |
544 | ||
545 | g_string_append_printf(str, "\"vmlist\": %u,\n", cfs_status.vmlist_version); | |
546 | ||
547 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
548 | g_string_append_printf(str, "\"%s\": %u,\n", | |
549 | memdb_change_array[i].path, | |
550 | memdb_change_array[i].version); | |
551 | } | |
552 | ||
553 | g_string_append_printf(str, "\"kvstore\": {\n"); | |
554 | ||
555 | dump_kvstore_versions(str, cfs_status.kvhash, cfs.nodename); | |
556 | ||
557 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
558 | ||
559 | if (clinfo && clinfo->nodes_byid) { | |
560 | GHashTable *ht = clinfo->nodes_byid; | |
561 | GHashTableIter iter; | |
562 | gpointer key, value; | |
563 | ||
564 | g_hash_table_iter_init (&iter, ht); | |
565 | ||
566 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
567 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
568 | if (!node->kvhash) | |
569 | continue; | |
570 | g_string_append_printf(str, ",\n"); | |
571 | dump_kvstore_versions(str, node->kvhash, node->name); | |
572 | } | |
573 | } | |
574 | ||
575 | g_string_append_printf(str,"}\n"); | |
576 | ||
577 | g_string_append_printf(str,"}\n"); | |
578 | ||
89fde9ac | 579 | g_mutex_unlock (&mutex); |
fe000966 DM |
580 | |
581 | return 0; | |
582 | } | |
583 | ||
584 | GHashTable * | |
585 | vmlist_hash_new(void) | |
586 | { | |
587 | return g_hash_table_new_full(g_int_hash, g_int_equal, NULL, | |
588 | (GDestroyNotify)vminfo_free); | |
589 | } | |
590 | ||
591 | gboolean | |
592 | vmlist_hash_insert_vm( | |
593 | GHashTable *vmlist, | |
594 | int vmtype, | |
595 | guint32 vmid, | |
596 | const char *nodename, | |
597 | gboolean replace) | |
598 | { | |
599 | g_return_val_if_fail(vmlist != NULL, FALSE); | |
600 | g_return_val_if_fail(nodename != NULL, FALSE); | |
601 | g_return_val_if_fail(vmid != 0, FALSE); | |
7f66b436 DM |
602 | g_return_val_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
603 | vmtype == VMTYPE_LXC, FALSE); | |
fe000966 DM |
604 | |
605 | if (!replace && g_hash_table_lookup(vmlist, &vmid)) { | |
606 | cfs_critical("detected duplicate VMID %d", vmid); | |
607 | return FALSE; | |
608 | } | |
609 | ||
610 | vminfo_t *vminfo = g_new0(vminfo_t, 1); | |
611 | ||
612 | vminfo->vmid = vmid; | |
613 | vminfo->vmtype = vmtype; | |
614 | vminfo->nodename = g_strdup(nodename); | |
615 | ||
616 | vminfo->version = ++vminfo_version_counter; | |
617 | ||
618 | g_hash_table_replace(vmlist, &vminfo->vmid, vminfo); | |
619 | ||
620 | return TRUE; | |
621 | } | |
622 | ||
623 | void | |
624 | vmlist_register_vm( | |
625 | int vmtype, | |
626 | guint32 vmid, | |
627 | const char *nodename) | |
628 | { | |
629 | g_return_if_fail(cfs_status.vmlist != NULL); | |
630 | g_return_if_fail(nodename != NULL); | |
631 | g_return_if_fail(vmid != 0); | |
7f66b436 DM |
632 | g_return_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
633 | vmtype == VMTYPE_LXC); | |
fe000966 DM |
634 | |
635 | cfs_debug("vmlist_register_vm: %s/%u %d", nodename, vmid, vmtype); | |
636 | ||
89fde9ac | 637 | g_mutex_lock (&mutex); |
fe000966 DM |
638 | |
639 | cfs_status.vmlist_version++; | |
640 | ||
641 | vmlist_hash_insert_vm(cfs_status.vmlist, vmtype, vmid, nodename, TRUE); | |
642 | ||
89fde9ac | 643 | g_mutex_unlock (&mutex); |
fe000966 DM |
644 | } |
645 | ||
646 | gboolean | |
647 | vmlist_different_vm_exists( | |
648 | int vmtype, | |
649 | guint32 vmid, | |
650 | const char *nodename) | |
651 | { | |
652 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
653 | g_return_val_if_fail(vmid != 0, FALSE); | |
654 | ||
655 | gboolean res = FALSE; | |
656 | ||
89fde9ac | 657 | g_mutex_lock (&mutex); |
fe000966 DM |
658 | |
659 | vminfo_t *vminfo; | |
660 | if ((vminfo = (vminfo_t *)g_hash_table_lookup(cfs_status.vmlist, &vmid))) { | |
661 | if (!(vminfo->vmtype == vmtype && strcmp(vminfo->nodename, nodename) == 0)) | |
662 | res = TRUE; | |
663 | } | |
89fde9ac | 664 | g_mutex_unlock (&mutex); |
fe000966 DM |
665 | |
666 | return res; | |
667 | } | |
668 | ||
669 | gboolean | |
670 | vmlist_vm_exists( | |
671 | guint32 vmid) | |
672 | { | |
673 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
674 | g_return_val_if_fail(vmid != 0, FALSE); | |
675 | ||
89fde9ac | 676 | g_mutex_lock (&mutex); |
fe000966 DM |
677 | |
678 | gpointer res = g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
679 | ||
89fde9ac | 680 | g_mutex_unlock (&mutex); |
fe000966 DM |
681 | |
682 | return res != NULL; | |
683 | } | |
684 | ||
685 | void | |
686 | vmlist_delete_vm( | |
687 | guint32 vmid) | |
688 | { | |
689 | g_return_if_fail(cfs_status.vmlist != NULL); | |
690 | g_return_if_fail(vmid != 0); | |
691 | ||
89fde9ac | 692 | g_mutex_lock (&mutex); |
fe000966 DM |
693 | |
694 | cfs_status.vmlist_version++; | |
695 | ||
696 | g_hash_table_remove(cfs_status.vmlist, &vmid); | |
697 | ||
89fde9ac | 698 | g_mutex_unlock (&mutex); |
fe000966 DM |
699 | } |
700 | ||
701 | void cfs_status_set_vmlist( | |
702 | GHashTable *vmlist) | |
703 | { | |
704 | g_return_if_fail(vmlist != NULL); | |
705 | ||
89fde9ac | 706 | g_mutex_lock (&mutex); |
fe000966 DM |
707 | |
708 | cfs_status.vmlist_version++; | |
709 | ||
710 | if (cfs_status.vmlist) | |
711 | g_hash_table_destroy(cfs_status.vmlist); | |
712 | ||
713 | cfs_status.vmlist = vmlist; | |
714 | ||
89fde9ac | 715 | g_mutex_unlock (&mutex); |
fe000966 DM |
716 | } |
717 | ||
718 | int | |
719 | cfs_create_vmlist_msg(GString *str) | |
720 | { | |
721 | g_return_val_if_fail(cfs_status.vmlist != NULL, -EINVAL); | |
722 | g_return_val_if_fail(str != NULL, -EINVAL); | |
723 | ||
89fde9ac | 724 | g_mutex_lock (&mutex); |
fe000966 DM |
725 | |
726 | g_string_append_printf(str,"{\n"); | |
727 | ||
728 | GHashTable *ht = cfs_status.vmlist; | |
729 | ||
730 | guint count = g_hash_table_size(ht); | |
731 | ||
732 | if (!count) { | |
733 | g_string_append_printf(str,"\"version\": %u\n", cfs_status.vmlist_version); | |
734 | } else { | |
735 | g_string_append_printf(str,"\"version\": %u,\n", cfs_status.vmlist_version); | |
736 | ||
737 | g_string_append_printf(str,"\"ids\": {\n"); | |
738 | ||
739 | GHashTableIter iter; | |
740 | gpointer key, value; | |
741 | ||
742 | g_hash_table_iter_init (&iter, ht); | |
743 | ||
744 | int first = 1; | |
745 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
746 | vminfo_t *vminfo = (vminfo_t *)value; | |
c26ca647 | 747 | const char *type = vminfo_type_to_string(vminfo); |
fe000966 DM |
748 | |
749 | if (!first) | |
750 | g_string_append_printf(str, ",\n"); | |
751 | first = 0; | |
752 | ||
753 | g_string_append_printf(str,"\"%u\": { \"node\": \"%s\", \"type\": \"%s\", \"version\": %u }", | |
754 | vminfo->vmid, vminfo->nodename, type, vminfo->version); | |
755 | } | |
756 | ||
757 | g_string_append_printf(str,"}\n"); | |
758 | } | |
759 | g_string_append_printf(str,"\n}\n"); | |
760 | ||
89fde9ac | 761 | g_mutex_unlock (&mutex); |
fe000966 DM |
762 | |
763 | return 0; | |
764 | } | |
765 | ||
766 | void | |
767 | record_memdb_change(const char *path) | |
768 | { | |
769 | g_return_if_fail(cfs_status.memdb_changes != 0); | |
770 | ||
771 | memdb_change_t *ce; | |
772 | ||
773 | if ((ce = (memdb_change_t *)g_hash_table_lookup(cfs_status.memdb_changes, path))) { | |
774 | ce->version++; | |
775 | } | |
776 | } | |
777 | ||
778 | void | |
779 | record_memdb_reload(void) | |
780 | { | |
781 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
782 | memdb_change_array[i].version++; | |
783 | } | |
784 | } | |
785 | ||
786 | static gboolean | |
787 | kventry_hash_set( | |
788 | GHashTable *kvhash, | |
789 | const char *key, | |
790 | gconstpointer data, | |
791 | size_t len) | |
792 | { | |
793 | g_return_val_if_fail(kvhash != NULL, FALSE); | |
794 | g_return_val_if_fail(key != NULL, FALSE); | |
795 | g_return_val_if_fail(data != NULL, FALSE); | |
796 | ||
797 | kventry_t *entry; | |
71cc17bc DC |
798 | if (!len) { |
799 | g_hash_table_remove(kvhash, key); | |
800 | } else if ((entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
fe000966 DM |
801 | g_free(entry->data); |
802 | entry->data = g_memdup(data, len); | |
803 | entry->len = len; | |
804 | entry->version++; | |
805 | } else { | |
806 | kventry_t *entry = g_new0(kventry_t, 1); | |
807 | ||
808 | entry->key = g_strdup(key); | |
809 | entry->data = g_memdup(data, len); | |
810 | entry->len = len; | |
811 | ||
812 | g_hash_table_replace(kvhash, entry->key, entry); | |
813 | } | |
814 | ||
815 | return TRUE; | |
816 | } | |
817 | ||
818 | static const char *rrd_def_node[] = { | |
819 | "DS:loadavg:GAUGE:120:0:U", | |
820 | "DS:maxcpu:GAUGE:120:0:U", | |
821 | "DS:cpu:GAUGE:120:0:U", | |
822 | "DS:iowait:GAUGE:120:0:U", | |
823 | "DS:memtotal:GAUGE:120:0:U", | |
824 | "DS:memused:GAUGE:120:0:U", | |
825 | "DS:swaptotal:GAUGE:120:0:U", | |
826 | "DS:swapused:GAUGE:120:0:U", | |
827 | "DS:roottotal:GAUGE:120:0:U", | |
828 | "DS:rootused:GAUGE:120:0:U", | |
764296f1 DM |
829 | "DS:netin:DERIVE:120:0:U", |
830 | "DS:netout:DERIVE:120:0:U", | |
fe000966 DM |
831 | |
832 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
833 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
834 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
835 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
836 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
837 | ||
838 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
839 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
840 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
841 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
842 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
843 | NULL, | |
844 | }; | |
845 | ||
846 | static const char *rrd_def_vm[] = { | |
847 | "DS:maxcpu:GAUGE:120:0:U", | |
848 | "DS:cpu:GAUGE:120:0:U", | |
849 | "DS:maxmem:GAUGE:120:0:U", | |
850 | "DS:mem:GAUGE:120:0:U", | |
851 | "DS:maxdisk:GAUGE:120:0:U", | |
852 | "DS:disk:GAUGE:120:0:U", | |
764296f1 DM |
853 | "DS:netin:DERIVE:120:0:U", |
854 | "DS:netout:DERIVE:120:0:U", | |
855 | "DS:diskread:DERIVE:120:0:U", | |
856 | "DS:diskwrite:DERIVE:120:0:U", | |
fe000966 DM |
857 | |
858 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
859 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
860 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
861 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
862 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
863 | ||
864 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
865 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
866 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
867 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
868 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
869 | NULL, | |
870 | }; | |
871 | ||
872 | static const char *rrd_def_storage[] = { | |
873 | "DS:total:GAUGE:120:0:U", | |
874 | "DS:used:GAUGE:120:0:U", | |
875 | ||
876 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
877 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
878 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
879 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
880 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
881 | ||
882 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
883 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
884 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
885 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
886 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
887 | NULL, | |
888 | }; | |
889 | ||
890 | #define RRDDIR "/var/lib/rrdcached/db" | |
891 | ||
892 | static void | |
893 | create_rrd_file( | |
894 | const char *filename, | |
895 | int argcount, | |
896 | const char *rrddef[]) | |
897 | { | |
898 | /* start at day boundary */ | |
899 | time_t ctime; | |
900 | time(&ctime); | |
901 | struct tm *ltm = localtime(&ctime); | |
902 | ltm->tm_sec = 0; | |
903 | ltm->tm_min = 0; | |
904 | ltm->tm_hour = 0; | |
905 | ||
906 | rrd_clear_error(); | |
907 | if (rrd_create_r(filename, 60, timelocal(ltm), argcount, rrddef)) { | |
908 | cfs_message("RRD create error %s: %s", filename, rrd_get_error()); | |
909 | } | |
910 | } | |
911 | ||
912 | static inline const char * | |
913 | rrd_skip_data( | |
914 | const char *data, | |
915 | int count) | |
916 | { | |
917 | int found = 0; | |
918 | while (*data && found < count) { | |
919 | if (*data++ == ':') | |
920 | found++; | |
921 | } | |
922 | return data; | |
923 | } | |
924 | ||
925 | static void | |
926 | update_rrd_data( | |
927 | const char *key, | |
928 | gconstpointer data, | |
929 | size_t len) | |
930 | { | |
931 | g_return_if_fail(key != NULL); | |
932 | g_return_if_fail(data != NULL); | |
933 | g_return_if_fail(len > 0); | |
934 | g_return_if_fail(len < 4096); | |
935 | ||
936 | static const char *rrdcsock = "unix:/var/run/rrdcached.sock"; | |
937 | ||
938 | int use_daemon = 1; | |
939 | if (rrdc_connect(rrdcsock) != 0) | |
940 | use_daemon = 0; | |
941 | ||
ba9dcfc1 | 942 | char *filename = NULL; |
fe000966 DM |
943 | |
944 | int skip = 0; | |
945 | ||
946 | if (strncmp(key, "pve2-node/", 10) == 0) { | |
947 | const char *node = key + 10; | |
948 | ||
f9c865a8 | 949 | skip = 2; |
fe000966 DM |
950 | |
951 | if (strchr(node, '/') != NULL) | |
952 | goto keyerror; | |
953 | ||
954 | if (strlen(node) < 1) | |
955 | goto keyerror; | |
956 | ||
ba9dcfc1 DM |
957 | filename = g_strdup_printf(RRDDIR "/%s", key); |
958 | ||
fe000966 DM |
959 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
960 | ||
961 | mkdir(RRDDIR "/pve2-node", 0755); | |
962 | int argcount = sizeof(rrd_def_node)/sizeof(void*) - 1; | |
963 | create_rrd_file(filename, argcount, rrd_def_node); | |
964 | } | |
965 | ||
ba9dcfc1 DM |
966 | } else if ((strncmp(key, "pve2-vm/", 8) == 0) || |
967 | (strncmp(key, "pve2.3-vm/", 10) == 0)) { | |
968 | const char *vmid; | |
fe000966 | 969 | |
ba9dcfc1 DM |
970 | if (strncmp(key, "pve2-vm/", 8) == 0) { |
971 | vmid = key + 8; | |
972 | skip = 2; | |
973 | } else { | |
974 | vmid = key + 10; | |
94e4cba3 | 975 | skip = 4; |
ba9dcfc1 | 976 | } |
fe000966 DM |
977 | |
978 | if (strchr(vmid, '/') != NULL) | |
979 | goto keyerror; | |
980 | ||
981 | if (strlen(vmid) < 1) | |
982 | goto keyerror; | |
983 | ||
ba9dcfc1 DM |
984 | filename = g_strdup_printf(RRDDIR "/%s/%s", "pve2-vm", vmid); |
985 | ||
fe000966 DM |
986 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
987 | ||
988 | mkdir(RRDDIR "/pve2-vm", 0755); | |
989 | int argcount = sizeof(rrd_def_vm)/sizeof(void*) - 1; | |
990 | create_rrd_file(filename, argcount, rrd_def_vm); | |
991 | } | |
992 | ||
993 | } else if (strncmp(key, "pve2-storage/", 13) == 0) { | |
994 | const char *node = key + 13; | |
995 | ||
996 | const char *storage = node; | |
997 | while (*storage && *storage != '/') | |
998 | storage++; | |
999 | ||
1000 | if (*storage != '/' || ((storage - node) < 1)) | |
1001 | goto keyerror; | |
1002 | ||
1003 | storage++; | |
1004 | ||
1005 | if (strchr(storage, '/') != NULL) | |
1006 | goto keyerror; | |
1007 | ||
1008 | if (strlen(storage) < 1) | |
1009 | goto keyerror; | |
1010 | ||
ba9dcfc1 DM |
1011 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1012 | ||
fe000966 DM |
1013 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1014 | ||
1015 | mkdir(RRDDIR "/pve2-storage", 0755); | |
1016 | ||
1017 | char *dir = g_path_get_dirname(filename); | |
1018 | mkdir(dir, 0755); | |
1019 | g_free(dir); | |
1020 | ||
1021 | int argcount = sizeof(rrd_def_storage)/sizeof(void*) - 1; | |
1022 | create_rrd_file(filename, argcount, rrd_def_storage); | |
1023 | } | |
1024 | ||
1025 | } else { | |
1026 | goto keyerror; | |
1027 | } | |
1028 | ||
1029 | const char *dp = skip ? rrd_skip_data(data, skip) : data; | |
1030 | ||
1031 | const char *update_args[] = { dp, NULL }; | |
1032 | ||
1033 | if (use_daemon) { | |
1034 | int status; | |
1035 | if ((status = rrdc_update(filename, 1, update_args)) != 0) { | |
1036 | cfs_message("RRDC update error %s: %d", filename, status); | |
1037 | rrdc_disconnect(); | |
1038 | rrd_clear_error(); | |
1039 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1040 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1041 | } | |
1042 | } | |
1043 | ||
1044 | } else { | |
1045 | rrd_clear_error(); | |
1046 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1047 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1048 | } | |
1049 | } | |
1050 | ||
1051 | ret: | |
ba9dcfc1 DM |
1052 | if (filename) |
1053 | g_free(filename); | |
1054 | ||
fe000966 DM |
1055 | return; |
1056 | ||
1057 | keyerror: | |
1058 | cfs_critical("RRD update error: unknown/wrong key %s", key); | |
1059 | goto ret; | |
1060 | } | |
1061 | ||
1062 | static gboolean | |
1063 | rrd_entry_is_old( | |
1064 | gpointer key, | |
1065 | gpointer value, | |
1066 | gpointer user_data) | |
1067 | { | |
1068 | rrdentry_t *entry = (rrdentry_t *)value; | |
1069 | uint32_t ctime = GPOINTER_TO_UINT(user_data); | |
1070 | ||
1071 | int diff = ctime - entry->time; | |
1072 | ||
1073 | /* remove everything older than 5 minutes */ | |
1074 | int expire = 60*5; | |
1075 | ||
1076 | return (diff > expire) ? TRUE : FALSE; | |
1077 | } | |
1078 | ||
1079 | static char *rrd_dump_buf = NULL; | |
1080 | static time_t rrd_dump_last = 0; | |
1081 | ||
1082 | void | |
1083 | cfs_rrd_dump(GString *str) | |
1084 | { | |
1085 | time_t ctime; | |
fe000966 | 1086 | |
663896cf TL |
1087 | g_mutex_lock (&mutex); |
1088 | ||
1089 | time(&ctime); | |
fe000966 DM |
1090 | if (rrd_dump_buf && (ctime - rrd_dump_last) < 2) { |
1091 | g_string_assign(str, rrd_dump_buf); | |
663896cf | 1092 | g_mutex_unlock (&mutex); |
fe000966 DM |
1093 | return; |
1094 | } | |
1095 | ||
1096 | /* remove old data */ | |
1097 | g_hash_table_foreach_remove(cfs_status.rrdhash, rrd_entry_is_old, | |
1098 | GUINT_TO_POINTER(ctime)); | |
1099 | ||
1100 | g_string_set_size(str, 0); | |
1101 | ||
1102 | GHashTableIter iter; | |
1103 | gpointer key, value; | |
1104 | ||
1105 | g_hash_table_iter_init (&iter, cfs_status.rrdhash); | |
1106 | ||
1107 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1108 | rrdentry_t *entry = (rrdentry_t *)value; | |
1109 | g_string_append(str, key); | |
1110 | g_string_append(str, ":"); | |
1111 | g_string_append(str, entry->data); | |
1112 | g_string_append(str, "\n"); | |
1113 | } | |
1114 | ||
1115 | g_string_append_c(str, 0); // never return undef | |
1116 | ||
1117 | rrd_dump_last = ctime; | |
1118 | if (rrd_dump_buf) | |
1119 | g_free(rrd_dump_buf); | |
1120 | rrd_dump_buf = g_strdup(str->str); | |
663896cf TL |
1121 | |
1122 | g_mutex_unlock (&mutex); | |
fe000966 DM |
1123 | } |
1124 | ||
1125 | static gboolean | |
1126 | nodeip_hash_set( | |
1127 | GHashTable *iphash, | |
1128 | const char *nodename, | |
1129 | const char *ip, | |
1130 | size_t len) | |
1131 | { | |
1132 | g_return_val_if_fail(iphash != NULL, FALSE); | |
1133 | g_return_val_if_fail(nodename != NULL, FALSE); | |
1134 | g_return_val_if_fail(ip != NULL, FALSE); | |
1135 | g_return_val_if_fail(len > 0, FALSE); | |
1136 | g_return_val_if_fail(len < 256, FALSE); | |
1137 | g_return_val_if_fail(ip[len-1] == 0, FALSE); | |
1138 | ||
1139 | char *oldip = (char *)g_hash_table_lookup(iphash, nodename); | |
1140 | ||
1141 | if (!oldip || (strcmp(oldip, ip) != 0)) { | |
1142 | cfs_status.clinfo_version++; | |
1143 | g_hash_table_replace(iphash, g_strdup(nodename), g_strdup(ip)); | |
1144 | } | |
1145 | ||
1146 | return TRUE; | |
1147 | } | |
1148 | ||
1149 | static gboolean | |
1150 | rrdentry_hash_set( | |
1151 | GHashTable *rrdhash, | |
1152 | const char *key, | |
1153 | const char *data, | |
1154 | size_t len) | |
1155 | { | |
1156 | g_return_val_if_fail(rrdhash != NULL, FALSE); | |
1157 | g_return_val_if_fail(key != NULL, FALSE); | |
1158 | g_return_val_if_fail(data != NULL, FALSE); | |
1159 | g_return_val_if_fail(len > 0, FALSE); | |
1160 | g_return_val_if_fail(len < 4096, FALSE); | |
1161 | g_return_val_if_fail(data[len-1] == 0, FALSE); | |
1162 | ||
1163 | rrdentry_t *entry; | |
1164 | if ((entry = (rrdentry_t *)g_hash_table_lookup(rrdhash, key))) { | |
1165 | g_free(entry->data); | |
1166 | entry->data = g_memdup(data, len); | |
1167 | entry->len = len; | |
1168 | entry->time = time(NULL); | |
1169 | } else { | |
1170 | rrdentry_t *entry = g_new0(rrdentry_t, 1); | |
1171 | ||
1172 | entry->key = g_strdup(key); | |
1173 | entry->data = g_memdup(data, len); | |
1174 | entry->len = len; | |
1175 | entry->time = time(NULL); | |
1176 | ||
1177 | g_hash_table_replace(rrdhash, entry->key, entry); | |
1178 | } | |
1179 | ||
1180 | update_rrd_data(key, data, len); | |
1181 | ||
1182 | return TRUE; | |
1183 | } | |
1184 | ||
1185 | static int | |
1186 | kvstore_send_update_message( | |
1187 | dfsm_t *dfsm, | |
1188 | const char *key, | |
1189 | gpointer data, | |
1190 | guint32 len) | |
1191 | { | |
af2e9dd4 DM |
1192 | if (!dfsm_is_initialized(dfsm)) |
1193 | return -EACCES; | |
fe000966 DM |
1194 | |
1195 | struct iovec iov[2]; | |
1196 | ||
1197 | char name[256]; | |
1198 | g_strlcpy(name, key, sizeof(name)); | |
1199 | ||
1200 | iov[0].iov_base = &name; | |
1201 | iov[0].iov_len = sizeof(name); | |
1202 | ||
1203 | iov[1].iov_base = (char *)data; | |
1204 | iov[1].iov_len = len; | |
1205 | ||
1206 | if (dfsm_send_message(dfsm, KVSTORE_MESSAGE_UPDATE, iov, 2) == CS_OK) | |
1207 | return 0; | |
1208 | ||
1209 | return -EACCES; | |
1210 | } | |
1211 | ||
1212 | static clog_entry_t * | |
1213 | kvstore_parse_log_message( | |
1214 | const void *msg, | |
1215 | size_t msg_len) | |
1216 | { | |
1217 | g_return_val_if_fail(msg != NULL, NULL); | |
1218 | ||
1219 | if (msg_len < sizeof(clog_entry_t)) { | |
e5a5a3ea | 1220 | cfs_critical("received short log message (%zu < %zu)", msg_len, sizeof(clog_entry_t)); |
fe000966 DM |
1221 | return NULL; |
1222 | } | |
1223 | ||
1224 | clog_entry_t *entry = (clog_entry_t *)msg; | |
1225 | ||
1226 | uint32_t size = sizeof(clog_entry_t) + entry->node_len + | |
1227 | entry->ident_len + entry->tag_len + entry->msg_len; | |
1228 | ||
1229 | if (msg_len != size) { | |
e5a5a3ea | 1230 | cfs_critical("received log message with wrong size (%zu != %u)", msg_len, size); |
fe000966 DM |
1231 | return NULL; |
1232 | } | |
1233 | ||
1234 | msg = entry->data; | |
1235 | ||
1236 | if (*((char *)msg + entry->node_len - 1)) { | |
1237 | cfs_critical("unterminated string in log message"); | |
1238 | return NULL; | |
1239 | } | |
1240 | msg += entry->node_len; | |
1241 | ||
1242 | if (*((char *)msg + entry->ident_len - 1)) { | |
1243 | cfs_critical("unterminated string in log message"); | |
1244 | return NULL; | |
1245 | } | |
1246 | msg += entry->ident_len; | |
1247 | ||
1248 | if (*((char *)msg + entry->tag_len - 1)) { | |
1249 | cfs_critical("unterminated string in log message"); | |
1250 | return NULL; | |
1251 | } | |
1252 | msg += entry->tag_len; | |
1253 | ||
1254 | if (*((char *)msg + entry->msg_len - 1)) { | |
1255 | cfs_critical("unterminated string in log message"); | |
1256 | return NULL; | |
1257 | } | |
1258 | ||
1259 | return entry; | |
1260 | } | |
1261 | ||
1262 | static gboolean | |
1263 | kvstore_parse_update_message( | |
1264 | const void *msg, | |
1265 | size_t msg_len, | |
1266 | const char **key, | |
1267 | gconstpointer *data, | |
1268 | guint32 *len) | |
1269 | { | |
1270 | g_return_val_if_fail(msg != NULL, FALSE); | |
1271 | g_return_val_if_fail(key != NULL, FALSE); | |
1272 | g_return_val_if_fail(data != NULL, FALSE); | |
1273 | g_return_val_if_fail(len != NULL, FALSE); | |
1274 | ||
1275 | if (msg_len < 256) { | |
e5a5a3ea | 1276 | cfs_critical("received short kvstore message (%zu < 256)", msg_len); |
fe000966 DM |
1277 | return FALSE; |
1278 | } | |
1279 | ||
1280 | /* test if key is null terminated */ | |
1281 | int i = 0; | |
1282 | for (i = 0; i < 256; i++) | |
1283 | if (((char *)msg)[i] == 0) | |
1284 | break; | |
1285 | ||
1286 | if (i == 256) | |
1287 | return FALSE; | |
1288 | ||
1289 | ||
1290 | *len = msg_len - 256; | |
1291 | *key = msg; | |
1292 | *data = msg + 256; | |
1293 | ||
1294 | return TRUE; | |
1295 | } | |
1296 | ||
1297 | int | |
1298 | cfs_create_status_msg( | |
1299 | GString *str, | |
1300 | const char *nodename, | |
1301 | const char *key) | |
1302 | { | |
1303 | g_return_val_if_fail(str != NULL, -EINVAL); | |
1304 | g_return_val_if_fail(key != NULL, -EINVAL); | |
1305 | ||
1306 | int res = -ENOENT; | |
1307 | ||
1308 | GHashTable *kvhash = NULL; | |
1309 | ||
89fde9ac | 1310 | g_mutex_lock (&mutex); |
fe000966 DM |
1311 | |
1312 | if (!nodename || !nodename[0] || !strcmp(nodename, cfs.nodename)) { | |
1313 | kvhash = cfs_status.kvhash; | |
043bbd8f | 1314 | } else if (cfs_status.clinfo && cfs_status.clinfo->nodes_byname) { |
fe000966 DM |
1315 | cfs_clnode_t *clnode; |
1316 | if ((clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byname, nodename))) | |
1317 | kvhash = clnode->kvhash; | |
1318 | } | |
1319 | ||
1320 | kventry_t *entry; | |
1321 | if (kvhash && (entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
1322 | g_string_append_len(str, entry->data, entry->len); | |
1323 | res = 0; | |
1324 | } | |
1325 | ||
89fde9ac | 1326 | g_mutex_unlock (&mutex); |
fe000966 DM |
1327 | |
1328 | return res; | |
1329 | } | |
1330 | ||
1331 | int | |
1332 | cfs_status_set( | |
1333 | const char *key, | |
1334 | gpointer data, | |
1335 | size_t len) | |
1336 | { | |
1337 | g_return_val_if_fail(key != NULL, FALSE); | |
1338 | g_return_val_if_fail(data != NULL, FALSE); | |
1339 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1340 | ||
1341 | if (len > CFS_MAX_STATUS_SIZE) | |
1342 | return -EFBIG; | |
1343 | ||
89fde9ac | 1344 | g_mutex_lock (&mutex); |
fe000966 DM |
1345 | |
1346 | gboolean res; | |
1347 | ||
1348 | if (strncmp(key, "rrd/", 4) == 0) { | |
1349 | res = rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1350 | } else if (!strcmp(key, "nodeip")) { | |
1351 | res = nodeip_hash_set(cfs_status.iphash, cfs.nodename, data, len); | |
1352 | } else { | |
1353 | res = kventry_hash_set(cfs_status.kvhash, key, data, len); | |
1354 | } | |
89fde9ac | 1355 | g_mutex_unlock (&mutex); |
fe000966 DM |
1356 | |
1357 | if (cfs_status.kvstore) | |
1358 | kvstore_send_update_message(cfs_status.kvstore, key, data, len); | |
1359 | ||
1360 | return res ? 0 : -ENOMEM; | |
1361 | } | |
1362 | ||
1363 | gboolean | |
1364 | cfs_kvstore_node_set( | |
1365 | uint32_t nodeid, | |
1366 | const char *key, | |
1367 | gconstpointer data, | |
1368 | size_t len) | |
1369 | { | |
1370 | g_return_val_if_fail(nodeid != 0, FALSE); | |
1371 | g_return_val_if_fail(key != NULL, FALSE); | |
1372 | g_return_val_if_fail(data != NULL, FALSE); | |
1373 | ||
89fde9ac | 1374 | g_mutex_lock (&mutex); |
fe000966 DM |
1375 | |
1376 | if (!cfs_status.clinfo || !cfs_status.clinfo->nodes_byid) | |
1377 | goto ret; /* ignore */ | |
1378 | ||
1379 | cfs_clnode_t *clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byid, &nodeid); | |
1380 | if (!clnode) | |
1381 | goto ret; /* ignore */ | |
1382 | ||
1383 | cfs_debug("got node %d status update %s", nodeid, key); | |
1384 | ||
1385 | if (strncmp(key, "rrd/", 4) == 0) { | |
1386 | rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1387 | } else if (!strcmp(key, "nodeip")) { | |
1388 | nodeip_hash_set(cfs_status.iphash, clnode->name, data, len); | |
1389 | } else { | |
1390 | if (!clnode->kvhash) { | |
1391 | if (!(clnode->kvhash = kventry_hash_new())) { | |
1392 | goto ret; /*ignore */ | |
1393 | } | |
1394 | } | |
1395 | ||
1396 | kventry_hash_set(clnode->kvhash, key, data, len); | |
1397 | ||
1398 | } | |
1399 | ret: | |
89fde9ac | 1400 | g_mutex_unlock (&mutex); |
fe000966 DM |
1401 | |
1402 | return TRUE; | |
1403 | } | |
1404 | ||
1405 | static gboolean | |
1406 | cfs_kvstore_sync(void) | |
1407 | { | |
1408 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1409 | g_return_val_if_fail(cfs_status.kvstore != NULL, FALSE); | |
1410 | ||
1411 | gboolean res = TRUE; | |
1412 | ||
89fde9ac | 1413 | g_mutex_lock (&mutex); |
fe000966 DM |
1414 | |
1415 | GHashTable *ht = cfs_status.kvhash; | |
1416 | GHashTableIter iter; | |
1417 | gpointer key, value; | |
1418 | ||
1419 | g_hash_table_iter_init (&iter, ht); | |
1420 | ||
1421 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1422 | kventry_t *entry = (kventry_t *)value; | |
1423 | kvstore_send_update_message(cfs_status.kvstore, entry->key, entry->data, entry->len); | |
1424 | } | |
1425 | ||
89fde9ac | 1426 | g_mutex_unlock (&mutex); |
fe000966 DM |
1427 | |
1428 | return res; | |
1429 | } | |
1430 | ||
1431 | static int | |
1432 | dfsm_deliver( | |
1433 | dfsm_t *dfsm, | |
1434 | gpointer data, | |
1435 | int *res_ptr, | |
1436 | uint32_t nodeid, | |
1437 | uint32_t pid, | |
1438 | uint16_t msg_type, | |
1439 | uint32_t msg_time, | |
1440 | const void *msg, | |
1441 | size_t msg_len) | |
1442 | { | |
1443 | g_return_val_if_fail(dfsm != NULL, -1); | |
1444 | g_return_val_if_fail(msg != NULL, -1); | |
1445 | g_return_val_if_fail(res_ptr != NULL, -1); | |
1446 | ||
1447 | /* ignore message for ourself */ | |
1448 | if (dfsm_nodeid_is_local(dfsm, nodeid, pid)) | |
1449 | goto ret; | |
1450 | ||
1451 | if (msg_type == KVSTORE_MESSAGE_UPDATE) { | |
1452 | const char *key; | |
1453 | gconstpointer data; | |
1454 | guint32 len; | |
1455 | if (kvstore_parse_update_message(msg, msg_len, &key, &data, &len)) { | |
1456 | cfs_kvstore_node_set(nodeid, key, data, len); | |
1457 | } else { | |
1458 | cfs_critical("cant parse update message"); | |
1459 | } | |
1460 | } else if (msg_type == KVSTORE_MESSAGE_LOG) { | |
1461 | cfs_message("received log"); // fixme: remove | |
1462 | const clog_entry_t *entry; | |
1463 | if ((entry = kvstore_parse_log_message(msg, msg_len))) { | |
1464 | clusterlog_insert(cfs_status.clusterlog, entry); | |
1465 | } else { | |
1466 | cfs_critical("cant parse log message"); | |
1467 | } | |
1468 | } else { | |
1469 | cfs_critical("received unknown message type %d\n", msg_type); | |
1470 | goto fail; | |
1471 | } | |
1472 | ||
1473 | ret: | |
1474 | *res_ptr = 0; | |
1475 | return 1; | |
1476 | ||
1477 | fail: | |
1478 | *res_ptr = -EACCES; | |
1479 | return 1; | |
1480 | } | |
1481 | ||
1482 | static void | |
1483 | dfsm_confchg( | |
1484 | dfsm_t *dfsm, | |
1485 | gpointer data, | |
1486 | const struct cpg_address *member_list, | |
1487 | size_t member_list_entries) | |
1488 | { | |
1489 | g_return_if_fail(dfsm != NULL); | |
1490 | g_return_if_fail(member_list != NULL); | |
1491 | ||
1492 | cfs_debug("enter %s", __func__); | |
1493 | ||
89fde9ac | 1494 | g_mutex_lock (&mutex); |
fe000966 DM |
1495 | |
1496 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
1497 | ||
1498 | if (clinfo && clinfo->nodes_byid) { | |
1499 | ||
1500 | GHashTable *ht = clinfo->nodes_byid; | |
1501 | GHashTableIter iter; | |
1502 | gpointer key, value; | |
1503 | ||
1504 | g_hash_table_iter_init (&iter, ht); | |
1505 | ||
1506 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1507 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
1508 | node->online = FALSE; | |
1509 | } | |
1510 | ||
1511 | for (int i = 0; i < member_list_entries; i++) { | |
1512 | cfs_clnode_t *node; | |
1513 | if ((node = g_hash_table_lookup(clinfo->nodes_byid, &member_list[i].nodeid))) { | |
1514 | node->online = TRUE; | |
1515 | } | |
1516 | } | |
1517 | ||
1518 | cfs_status.clinfo_version++; | |
1519 | } | |
1520 | ||
89fde9ac | 1521 | g_mutex_unlock (&mutex); |
fe000966 DM |
1522 | } |
1523 | ||
1524 | static gpointer | |
1525 | dfsm_get_state( | |
1526 | dfsm_t *dfsm, | |
1527 | gpointer data, | |
1528 | unsigned int *res_len) | |
1529 | { | |
1530 | g_return_val_if_fail(dfsm != NULL, NULL); | |
1531 | ||
1532 | gpointer msg = clusterlog_get_state(cfs_status.clusterlog, res_len); | |
1533 | ||
1534 | return msg; | |
1535 | } | |
1536 | ||
1537 | static int | |
1538 | dfsm_process_update( | |
1539 | dfsm_t *dfsm, | |
1540 | gpointer data, | |
1541 | dfsm_sync_info_t *syncinfo, | |
1542 | uint32_t nodeid, | |
1543 | uint32_t pid, | |
1544 | const void *msg, | |
1545 | size_t msg_len) | |
1546 | { | |
1547 | cfs_critical("%s: received unexpected update message", __func__); | |
1548 | ||
1549 | return -1; | |
1550 | } | |
1551 | ||
1552 | static int | |
1553 | dfsm_process_state_update( | |
1554 | dfsm_t *dfsm, | |
1555 | gpointer data, | |
1556 | dfsm_sync_info_t *syncinfo) | |
1557 | { | |
1558 | g_return_val_if_fail(dfsm != NULL, -1); | |
1559 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1560 | ||
1561 | clog_base_t *clog[syncinfo->node_count]; | |
1562 | ||
1563 | int local_index = -1; | |
1564 | for (int i = 0; i < syncinfo->node_count; i++) { | |
1565 | dfsm_node_info_t *ni = &syncinfo->nodes[i]; | |
1566 | ni->synced = 1; | |
1567 | ||
1568 | if (syncinfo->local == ni) | |
1569 | local_index = i; | |
1570 | ||
1571 | clog_base_t *base = (clog_base_t *)ni->state; | |
1572 | if (ni->state_len > 8 && ni->state_len == clog_size(base)) { | |
1573 | clog[i] = ni->state; | |
1574 | } else { | |
1575 | cfs_critical("received log with wrong size %u", ni->state_len); | |
1576 | clog[i] = NULL; | |
1577 | } | |
1578 | } | |
1579 | ||
1580 | if (!clusterlog_merge(cfs_status.clusterlog, clog, syncinfo->node_count, local_index)) { | |
1581 | cfs_critical("unable to merge log files"); | |
1582 | } | |
1583 | ||
1584 | cfs_kvstore_sync(); | |
1585 | ||
1586 | return 1; | |
1587 | } | |
1588 | ||
1589 | static int | |
1590 | dfsm_commit( | |
1591 | dfsm_t *dfsm, | |
1592 | gpointer data, | |
1593 | dfsm_sync_info_t *syncinfo) | |
1594 | { | |
1595 | g_return_val_if_fail(dfsm != NULL, -1); | |
1596 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1597 | ||
1598 | return 1; | |
1599 | } | |
1600 | ||
1601 | static void | |
1602 | dfsm_synced(dfsm_t *dfsm) | |
1603 | { | |
1604 | g_return_if_fail(dfsm != NULL); | |
1605 | ||
1606 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, cfs.nodename); | |
1607 | if (!ip) | |
1608 | ip = cfs.ip; | |
1609 | ||
1610 | cfs_status_set("nodeip", ip, strlen(ip) + 1); | |
1611 | } | |
1612 | ||
1613 | static int | |
1614 | dfsm_cleanup( | |
1615 | dfsm_t *dfsm, | |
1616 | gpointer data, | |
1617 | dfsm_sync_info_t *syncinfo) | |
1618 | { | |
1619 | return 1; | |
1620 | } | |
1621 | ||
1622 | static dfsm_callbacks_t kvstore_dfsm_callbacks = { | |
1623 | .dfsm_deliver_fn = dfsm_deliver, | |
1624 | .dfsm_confchg_fn = dfsm_confchg, | |
1625 | ||
1626 | .dfsm_get_state_fn = dfsm_get_state, | |
1627 | .dfsm_process_state_update_fn = dfsm_process_state_update, | |
1628 | .dfsm_process_update_fn = dfsm_process_update, | |
1629 | .dfsm_commit_fn = dfsm_commit, | |
1630 | .dfsm_cleanup_fn = dfsm_cleanup, | |
1631 | .dfsm_synced_fn = dfsm_synced, | |
1632 | }; | |
1633 | ||
1634 | dfsm_t * | |
1635 | cfs_status_dfsm_new(void) | |
1636 | { | |
89fde9ac | 1637 | g_mutex_lock (&mutex); |
fe000966 DM |
1638 | |
1639 | cfs_status.kvstore = dfsm_new(NULL, KVSTORE_CPG_GROUP_NAME, G_LOG_DOMAIN, | |
1640 | 0, &kvstore_dfsm_callbacks); | |
89fde9ac | 1641 | g_mutex_unlock (&mutex); |
fe000966 DM |
1642 | |
1643 | return cfs_status.kvstore; | |
1644 | } | |
1645 | ||
1646 | gboolean | |
1647 | cfs_is_quorate(void) | |
1648 | { | |
89fde9ac | 1649 | g_mutex_lock (&mutex); |
fe000966 | 1650 | gboolean res = cfs_status.quorate; |
89fde9ac | 1651 | g_mutex_unlock (&mutex); |
fe000966 DM |
1652 | |
1653 | return res; | |
1654 | } | |
1655 | ||
1656 | void | |
1657 | cfs_set_quorate( | |
1658 | uint32_t quorate, | |
1659 | gboolean quiet) | |
1660 | { | |
89fde9ac | 1661 | g_mutex_lock (&mutex); |
fe000966 DM |
1662 | |
1663 | uint32_t prev_quorate = cfs_status.quorate; | |
1664 | cfs_status.quorate = quorate; | |
1665 | ||
1666 | if (!prev_quorate && cfs_status.quorate) { | |
1667 | if (!quiet) | |
1668 | cfs_message("node has quorum"); | |
1669 | } | |
1670 | ||
1671 | if (prev_quorate && !cfs_status.quorate) { | |
1672 | if (!quiet) | |
1673 | cfs_message("node lost quorum"); | |
1674 | } | |
1675 | ||
89fde9ac | 1676 | g_mutex_unlock (&mutex); |
fe000966 | 1677 | } |