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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 | ||
99abbd31 TL |
162 | static const char *vminfo_type_to_string(vminfo_t *vminfo) |
163 | { | |
164 | if (vminfo->vmtype == VMTYPE_QEMU) { | |
165 | return "qemu"; | |
166 | } else if (vminfo->vmtype == VMTYPE_OPENVZ) { | |
167 | return "openvz"; | |
168 | } else if (vminfo->vmtype == VMTYPE_LXC) { | |
169 | return "lxc"; | |
170 | } else { | |
171 | return "unknown"; | |
172 | } | |
c26ca647 TL |
173 | } |
174 | ||
fe000966 DM |
175 | void cfs_clnode_destroy( |
176 | cfs_clnode_t *clnode) | |
177 | { | |
178 | g_return_if_fail(clnode != NULL); | |
179 | ||
180 | if (clnode->kvhash) | |
181 | g_hash_table_destroy(clnode->kvhash); | |
182 | ||
183 | if (clnode->name) | |
184 | g_free(clnode->name); | |
185 | ||
186 | g_free(clnode); | |
187 | } | |
188 | ||
189 | cfs_clnode_t *cfs_clnode_new( | |
190 | const char *name, | |
191 | uint32_t nodeid, | |
192 | uint32_t votes) | |
193 | { | |
194 | g_return_val_if_fail(name != NULL, NULL); | |
195 | ||
196 | cfs_clnode_t *clnode = g_new0(cfs_clnode_t, 1); | |
197 | if (!clnode) | |
198 | return NULL; | |
199 | ||
200 | clnode->name = g_strdup(name); | |
201 | clnode->nodeid = nodeid; | |
202 | clnode->votes = votes; | |
203 | ||
204 | return clnode; | |
205 | } | |
206 | ||
207 | gboolean cfs_clinfo_destroy( | |
208 | cfs_clinfo_t *clinfo) | |
209 | { | |
210 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
211 | ||
212 | if (clinfo->cluster_name) | |
213 | g_free(clinfo->cluster_name); | |
214 | ||
215 | if (clinfo->nodes_byname) | |
216 | g_hash_table_destroy(clinfo->nodes_byname); | |
217 | ||
218 | if (clinfo->nodes_byid) | |
219 | g_hash_table_destroy(clinfo->nodes_byid); | |
220 | ||
221 | g_free(clinfo); | |
222 | ||
223 | return TRUE; | |
224 | } | |
225 | ||
226 | cfs_clinfo_t *cfs_clinfo_new( | |
227 | const char *cluster_name, | |
228 | uint32_t cman_version) | |
229 | { | |
230 | g_return_val_if_fail(cluster_name != NULL, NULL); | |
231 | ||
232 | cfs_clinfo_t *clinfo = g_new0(cfs_clinfo_t, 1); | |
233 | if (!clinfo) | |
234 | return NULL; | |
235 | ||
236 | clinfo->cluster_name = g_strdup(cluster_name); | |
237 | clinfo->cman_version = cman_version; | |
238 | ||
239 | if (!(clinfo->nodes_byid = g_hash_table_new_full( | |
240 | g_int32_hash, g_int32_equal, NULL, | |
241 | (GDestroyNotify)cfs_clnode_destroy))) | |
242 | goto fail; | |
243 | ||
244 | if (!(clinfo->nodes_byname = g_hash_table_new(g_str_hash, g_str_equal))) | |
245 | goto fail; | |
246 | ||
247 | return clinfo; | |
248 | ||
249 | fail: | |
250 | cfs_clinfo_destroy(clinfo); | |
251 | ||
252 | return NULL; | |
253 | } | |
254 | ||
255 | gboolean cfs_clinfo_add_node( | |
256 | cfs_clinfo_t *clinfo, | |
257 | cfs_clnode_t *clnode) | |
258 | { | |
259 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
260 | g_return_val_if_fail(clnode != NULL, FALSE); | |
261 | ||
262 | g_hash_table_replace(clinfo->nodes_byid, &clnode->nodeid, clnode); | |
263 | g_hash_table_replace(clinfo->nodes_byname, clnode->name, clnode); | |
264 | ||
265 | return TRUE; | |
266 | } | |
267 | ||
268 | int | |
269 | cfs_create_memberlist_msg( | |
270 | GString *str) | |
271 | { | |
272 | g_return_val_if_fail(str != NULL, -EINVAL); | |
273 | ||
89fde9ac | 274 | g_mutex_lock (&mutex); |
fe000966 DM |
275 | |
276 | g_string_append_printf(str,"{\n"); | |
277 | ||
278 | guint nodecount = 0; | |
279 | ||
280 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
281 | ||
282 | if (clinfo && clinfo->nodes_byid) | |
283 | nodecount = g_hash_table_size(clinfo->nodes_byid); | |
284 | ||
285 | if (nodecount) { | |
286 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
287 | g_string_append_printf(str, "\"version\": %u,\n", cfs_status.clinfo_version); | |
288 | ||
289 | g_string_append_printf(str, "\"cluster\": { "); | |
290 | g_string_append_printf(str, "\"name\": \"%s\", \"version\": %d, " | |
291 | "\"nodes\": %d, \"quorate\": %d ", | |
292 | clinfo->cluster_name, clinfo->cman_version, | |
293 | nodecount, cfs_status.quorate); | |
294 | ||
295 | g_string_append_printf(str,"},\n"); | |
296 | g_string_append_printf(str,"\"nodelist\": {\n"); | |
297 | ||
298 | GHashTable *ht = clinfo->nodes_byid; | |
299 | GHashTableIter iter; | |
300 | gpointer key, value; | |
301 | ||
302 | g_hash_table_iter_init (&iter, ht); | |
303 | ||
304 | int i = 0; | |
305 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
306 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
307 | if (i) g_string_append_printf(str, ",\n"); | |
308 | i++; | |
309 | ||
310 | g_string_append_printf(str, " \"%s\": { \"id\": %d, \"online\": %d", | |
311 | node->name, node->nodeid, node->online); | |
312 | ||
313 | ||
314 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, node->name); | |
315 | if (ip) { | |
316 | g_string_append_printf(str, ", \"ip\": \"%s\"", ip); | |
317 | } | |
318 | ||
319 | g_string_append_printf(str, "}"); | |
320 | ||
321 | } | |
322 | g_string_append_printf(str,"\n }\n"); | |
323 | } else { | |
324 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
325 | g_string_append_printf(str, "\"version\": %u\n", cfs_status.clinfo_version); | |
326 | } | |
327 | ||
328 | g_string_append_printf(str,"}\n"); | |
329 | ||
89fde9ac | 330 | g_mutex_unlock (&mutex); |
fe000966 DM |
331 | |
332 | return 0; | |
333 | } | |
334 | ||
335 | static void | |
336 | kventry_free(kventry_t *entry) | |
337 | { | |
338 | g_return_if_fail(entry != NULL); | |
339 | ||
340 | g_free(entry->key); | |
341 | g_free(entry->data); | |
342 | g_free(entry); | |
343 | } | |
344 | ||
345 | static GHashTable * | |
346 | kventry_hash_new(void) | |
347 | { | |
348 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
349 | (GDestroyNotify)kventry_free); | |
350 | } | |
351 | ||
352 | static void | |
353 | rrdentry_free(rrdentry_t *entry) | |
354 | { | |
355 | g_return_if_fail(entry != NULL); | |
356 | ||
357 | g_free(entry->key); | |
358 | g_free(entry->data); | |
359 | g_free(entry); | |
360 | } | |
361 | ||
362 | static GHashTable * | |
363 | rrdentry_hash_new(void) | |
364 | { | |
365 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
366 | (GDestroyNotify)rrdentry_free); | |
367 | } | |
368 | ||
369 | void | |
370 | cfs_cluster_log_dump(GString *str, const char *user, guint max_entries) | |
371 | { | |
372 | clusterlog_dump(cfs_status.clusterlog, str, user, max_entries); | |
373 | } | |
374 | ||
375 | void | |
376 | cfs_cluster_log(clog_entry_t *entry) | |
377 | { | |
378 | g_return_if_fail(entry != NULL); | |
379 | ||
380 | clusterlog_insert(cfs_status.clusterlog, entry); | |
381 | ||
382 | if (cfs_status.kvstore) { | |
383 | struct iovec iov[1]; | |
384 | iov[0].iov_base = (char *)entry; | |
385 | iov[0].iov_len = clog_entry_size(entry); | |
386 | ||
af2e9dd4 DM |
387 | if (dfsm_is_initialized(cfs_status.kvstore)) |
388 | dfsm_send_message(cfs_status.kvstore, KVSTORE_MESSAGE_LOG, iov, 1); | |
fe000966 DM |
389 | } |
390 | } | |
391 | ||
392 | void cfs_status_init(void) | |
393 | { | |
89fde9ac | 394 | g_mutex_lock (&mutex); |
fe000966 DM |
395 | |
396 | cfs_status.start_time = time(NULL); | |
397 | ||
398 | cfs_status.vmlist = vmlist_hash_new(); | |
399 | ||
400 | cfs_status.kvhash = kventry_hash_new(); | |
401 | ||
402 | cfs_status.rrdhash = rrdentry_hash_new(); | |
403 | ||
404 | cfs_status.iphash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free); | |
405 | ||
406 | cfs_status.memdb_changes = g_hash_table_new(g_str_hash, g_str_equal); | |
407 | ||
408 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
409 | g_hash_table_replace(cfs_status.memdb_changes, | |
410 | memdb_change_array[i].path, | |
411 | &memdb_change_array[i]); | |
412 | } | |
413 | ||
414 | cfs_status.clusterlog = clusterlog_new(); | |
415 | ||
416 | // fixme: | |
417 | clusterlog_add(cfs_status.clusterlog, "root", "cluster", getpid(), | |
418 | LOG_INFO, "starting cluster log"); | |
419 | ||
89fde9ac | 420 | g_mutex_unlock (&mutex); |
fe000966 DM |
421 | } |
422 | ||
423 | void cfs_status_cleanup(void) | |
424 | { | |
89fde9ac | 425 | g_mutex_lock (&mutex); |
fe000966 DM |
426 | |
427 | cfs_status.clinfo_version++; | |
428 | ||
429 | if (cfs_status.clinfo) { | |
430 | cfs_clinfo_destroy(cfs_status.clinfo); | |
431 | cfs_status.clinfo = NULL; | |
432 | } | |
433 | ||
434 | if (cfs_status.vmlist) { | |
435 | g_hash_table_destroy(cfs_status.vmlist); | |
436 | cfs_status.vmlist = NULL; | |
437 | } | |
438 | ||
439 | if (cfs_status.kvhash) { | |
440 | g_hash_table_destroy(cfs_status.kvhash); | |
441 | cfs_status.kvhash = NULL; | |
442 | } | |
443 | ||
444 | if (cfs_status.rrdhash) { | |
445 | g_hash_table_destroy(cfs_status.rrdhash); | |
446 | cfs_status.rrdhash = NULL; | |
447 | } | |
448 | ||
449 | if (cfs_status.iphash) { | |
450 | g_hash_table_destroy(cfs_status.iphash); | |
451 | cfs_status.iphash = NULL; | |
452 | } | |
453 | ||
454 | if (cfs_status.clusterlog) | |
455 | clusterlog_destroy(cfs_status.clusterlog); | |
456 | ||
89fde9ac | 457 | g_mutex_unlock (&mutex); |
fe000966 DM |
458 | } |
459 | ||
460 | void cfs_status_set_clinfo( | |
461 | cfs_clinfo_t *clinfo) | |
462 | { | |
463 | g_return_if_fail(clinfo != NULL); | |
464 | ||
89fde9ac | 465 | g_mutex_lock (&mutex); |
fe000966 DM |
466 | |
467 | cfs_status.clinfo_version++; | |
468 | ||
469 | cfs_clinfo_t *old = cfs_status.clinfo; | |
470 | ||
471 | cfs_status.clinfo = clinfo; | |
472 | ||
473 | cfs_message("update cluster info (cluster name %s, version = %d)", | |
474 | clinfo->cluster_name, clinfo->cman_version); | |
475 | ||
476 | ||
477 | if (old && old->nodes_byid && clinfo->nodes_byid) { | |
478 | /* copy kvstore */ | |
479 | GHashTable *ht = clinfo->nodes_byid; | |
480 | GHashTableIter iter; | |
481 | gpointer key, value; | |
482 | ||
483 | g_hash_table_iter_init (&iter, ht); | |
484 | ||
485 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
486 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
487 | cfs_clnode_t *oldnode; | |
469d3acb | 488 | if ((oldnode = g_hash_table_lookup(old->nodes_byid, key))) { |
fe000966 DM |
489 | node->online = oldnode->online; |
490 | node->kvhash = oldnode->kvhash; | |
491 | oldnode->kvhash = NULL; | |
492 | } | |
493 | } | |
494 | ||
495 | } | |
496 | ||
497 | if (old) | |
498 | cfs_clinfo_destroy(old); | |
499 | ||
500 | ||
89fde9ac | 501 | g_mutex_unlock (&mutex); |
fe000966 DM |
502 | } |
503 | ||
504 | static void | |
505 | dump_kvstore_versions( | |
506 | GString *str, | |
507 | GHashTable *kvhash, | |
508 | const char *nodename) | |
509 | { | |
510 | g_return_if_fail(kvhash != NULL); | |
511 | g_return_if_fail(str != NULL); | |
512 | g_return_if_fail(nodename != NULL); | |
513 | ||
514 | GHashTable *ht = kvhash; | |
515 | GHashTableIter iter; | |
516 | gpointer key, value; | |
517 | ||
518 | g_string_append_printf(str, "\"%s\": {\n", nodename); | |
519 | ||
520 | g_hash_table_iter_init (&iter, ht); | |
521 | ||
522 | int i = 0; | |
523 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
524 | kventry_t *entry = (kventry_t *)value; | |
525 | if (i) g_string_append_printf(str, ",\n"); | |
526 | i++; | |
527 | g_string_append_printf(str,"\"%s\": %u", entry->key, entry->version); | |
528 | } | |
529 | ||
530 | g_string_append_printf(str, "}\n"); | |
531 | } | |
532 | ||
533 | int | |
534 | cfs_create_version_msg(GString *str) | |
535 | { | |
536 | g_return_val_if_fail(str != NULL, -EINVAL); | |
537 | ||
89fde9ac | 538 | g_mutex_lock (&mutex); |
fe000966 DM |
539 | |
540 | g_string_append_printf(str,"{\n"); | |
541 | ||
542 | g_string_append_printf(str, "\"starttime\": %lu,\n", (unsigned long)cfs_status.start_time); | |
543 | ||
544 | g_string_append_printf(str, "\"clinfo\": %u,\n", cfs_status.clinfo_version); | |
545 | ||
546 | g_string_append_printf(str, "\"vmlist\": %u,\n", cfs_status.vmlist_version); | |
547 | ||
548 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
549 | g_string_append_printf(str, "\"%s\": %u,\n", | |
550 | memdb_change_array[i].path, | |
551 | memdb_change_array[i].version); | |
552 | } | |
553 | ||
554 | g_string_append_printf(str, "\"kvstore\": {\n"); | |
555 | ||
556 | dump_kvstore_versions(str, cfs_status.kvhash, cfs.nodename); | |
557 | ||
558 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
559 | ||
560 | if (clinfo && clinfo->nodes_byid) { | |
561 | GHashTable *ht = clinfo->nodes_byid; | |
562 | GHashTableIter iter; | |
563 | gpointer key, value; | |
564 | ||
565 | g_hash_table_iter_init (&iter, ht); | |
566 | ||
567 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
568 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
569 | if (!node->kvhash) | |
570 | continue; | |
571 | g_string_append_printf(str, ",\n"); | |
572 | dump_kvstore_versions(str, node->kvhash, node->name); | |
573 | } | |
574 | } | |
575 | ||
576 | g_string_append_printf(str,"}\n"); | |
577 | ||
578 | g_string_append_printf(str,"}\n"); | |
579 | ||
89fde9ac | 580 | g_mutex_unlock (&mutex); |
fe000966 DM |
581 | |
582 | return 0; | |
583 | } | |
584 | ||
585 | GHashTable * | |
586 | vmlist_hash_new(void) | |
587 | { | |
588 | return g_hash_table_new_full(g_int_hash, g_int_equal, NULL, | |
589 | (GDestroyNotify)vminfo_free); | |
590 | } | |
591 | ||
592 | gboolean | |
593 | vmlist_hash_insert_vm( | |
594 | GHashTable *vmlist, | |
595 | int vmtype, | |
596 | guint32 vmid, | |
597 | const char *nodename, | |
598 | gboolean replace) | |
599 | { | |
600 | g_return_val_if_fail(vmlist != NULL, FALSE); | |
601 | g_return_val_if_fail(nodename != NULL, FALSE); | |
602 | g_return_val_if_fail(vmid != 0, FALSE); | |
7f66b436 DM |
603 | g_return_val_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
604 | vmtype == VMTYPE_LXC, FALSE); | |
fe000966 DM |
605 | |
606 | if (!replace && g_hash_table_lookup(vmlist, &vmid)) { | |
607 | cfs_critical("detected duplicate VMID %d", vmid); | |
608 | return FALSE; | |
609 | } | |
610 | ||
611 | vminfo_t *vminfo = g_new0(vminfo_t, 1); | |
612 | ||
613 | vminfo->vmid = vmid; | |
614 | vminfo->vmtype = vmtype; | |
615 | vminfo->nodename = g_strdup(nodename); | |
616 | ||
617 | vminfo->version = ++vminfo_version_counter; | |
618 | ||
619 | g_hash_table_replace(vmlist, &vminfo->vmid, vminfo); | |
620 | ||
621 | return TRUE; | |
622 | } | |
623 | ||
624 | void | |
625 | vmlist_register_vm( | |
626 | int vmtype, | |
627 | guint32 vmid, | |
628 | const char *nodename) | |
629 | { | |
630 | g_return_if_fail(cfs_status.vmlist != NULL); | |
631 | g_return_if_fail(nodename != NULL); | |
632 | g_return_if_fail(vmid != 0); | |
7f66b436 DM |
633 | g_return_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
634 | vmtype == VMTYPE_LXC); | |
fe000966 DM |
635 | |
636 | cfs_debug("vmlist_register_vm: %s/%u %d", nodename, vmid, vmtype); | |
637 | ||
89fde9ac | 638 | g_mutex_lock (&mutex); |
fe000966 DM |
639 | |
640 | cfs_status.vmlist_version++; | |
641 | ||
642 | vmlist_hash_insert_vm(cfs_status.vmlist, vmtype, vmid, nodename, TRUE); | |
643 | ||
89fde9ac | 644 | g_mutex_unlock (&mutex); |
fe000966 DM |
645 | } |
646 | ||
647 | gboolean | |
648 | vmlist_different_vm_exists( | |
649 | int vmtype, | |
650 | guint32 vmid, | |
651 | const char *nodename) | |
652 | { | |
653 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
654 | g_return_val_if_fail(vmid != 0, FALSE); | |
655 | ||
656 | gboolean res = FALSE; | |
657 | ||
89fde9ac | 658 | g_mutex_lock (&mutex); |
fe000966 DM |
659 | |
660 | vminfo_t *vminfo; | |
661 | if ((vminfo = (vminfo_t *)g_hash_table_lookup(cfs_status.vmlist, &vmid))) { | |
662 | if (!(vminfo->vmtype == vmtype && strcmp(vminfo->nodename, nodename) == 0)) | |
663 | res = TRUE; | |
664 | } | |
89fde9ac | 665 | g_mutex_unlock (&mutex); |
fe000966 DM |
666 | |
667 | return res; | |
668 | } | |
669 | ||
670 | gboolean | |
671 | vmlist_vm_exists( | |
672 | guint32 vmid) | |
673 | { | |
674 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
675 | g_return_val_if_fail(vmid != 0, FALSE); | |
676 | ||
89fde9ac | 677 | g_mutex_lock (&mutex); |
fe000966 DM |
678 | |
679 | gpointer res = g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
680 | ||
89fde9ac | 681 | g_mutex_unlock (&mutex); |
fe000966 DM |
682 | |
683 | return res != NULL; | |
684 | } | |
685 | ||
686 | void | |
687 | vmlist_delete_vm( | |
688 | guint32 vmid) | |
689 | { | |
690 | g_return_if_fail(cfs_status.vmlist != NULL); | |
691 | g_return_if_fail(vmid != 0); | |
692 | ||
89fde9ac | 693 | g_mutex_lock (&mutex); |
fe000966 DM |
694 | |
695 | cfs_status.vmlist_version++; | |
696 | ||
697 | g_hash_table_remove(cfs_status.vmlist, &vmid); | |
698 | ||
89fde9ac | 699 | g_mutex_unlock (&mutex); |
fe000966 DM |
700 | } |
701 | ||
702 | void cfs_status_set_vmlist( | |
703 | GHashTable *vmlist) | |
704 | { | |
705 | g_return_if_fail(vmlist != NULL); | |
706 | ||
89fde9ac | 707 | g_mutex_lock (&mutex); |
fe000966 DM |
708 | |
709 | cfs_status.vmlist_version++; | |
710 | ||
711 | if (cfs_status.vmlist) | |
712 | g_hash_table_destroy(cfs_status.vmlist); | |
713 | ||
714 | cfs_status.vmlist = vmlist; | |
715 | ||
89fde9ac | 716 | g_mutex_unlock (&mutex); |
fe000966 DM |
717 | } |
718 | ||
719 | int | |
720 | cfs_create_vmlist_msg(GString *str) | |
721 | { | |
722 | g_return_val_if_fail(cfs_status.vmlist != NULL, -EINVAL); | |
723 | g_return_val_if_fail(str != NULL, -EINVAL); | |
724 | ||
89fde9ac | 725 | g_mutex_lock (&mutex); |
fe000966 DM |
726 | |
727 | g_string_append_printf(str,"{\n"); | |
728 | ||
729 | GHashTable *ht = cfs_status.vmlist; | |
730 | ||
731 | guint count = g_hash_table_size(ht); | |
732 | ||
733 | if (!count) { | |
734 | g_string_append_printf(str,"\"version\": %u\n", cfs_status.vmlist_version); | |
735 | } else { | |
736 | g_string_append_printf(str,"\"version\": %u,\n", cfs_status.vmlist_version); | |
737 | ||
738 | g_string_append_printf(str,"\"ids\": {\n"); | |
739 | ||
740 | GHashTableIter iter; | |
741 | gpointer key, value; | |
742 | ||
743 | g_hash_table_iter_init (&iter, ht); | |
744 | ||
745 | int first = 1; | |
746 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
747 | vminfo_t *vminfo = (vminfo_t *)value; | |
c26ca647 | 748 | const char *type = vminfo_type_to_string(vminfo); |
fe000966 DM |
749 | |
750 | if (!first) | |
751 | g_string_append_printf(str, ",\n"); | |
752 | first = 0; | |
753 | ||
754 | g_string_append_printf(str,"\"%u\": { \"node\": \"%s\", \"type\": \"%s\", \"version\": %u }", | |
755 | vminfo->vmid, vminfo->nodename, type, vminfo->version); | |
756 | } | |
757 | ||
758 | g_string_append_printf(str,"}\n"); | |
759 | } | |
760 | g_string_append_printf(str,"\n}\n"); | |
761 | ||
89fde9ac | 762 | g_mutex_unlock (&mutex); |
fe000966 DM |
763 | |
764 | return 0; | |
765 | } | |
766 | ||
767 | void | |
768 | record_memdb_change(const char *path) | |
769 | { | |
770 | g_return_if_fail(cfs_status.memdb_changes != 0); | |
771 | ||
772 | memdb_change_t *ce; | |
773 | ||
774 | if ((ce = (memdb_change_t *)g_hash_table_lookup(cfs_status.memdb_changes, path))) { | |
775 | ce->version++; | |
776 | } | |
777 | } | |
778 | ||
779 | void | |
780 | record_memdb_reload(void) | |
781 | { | |
782 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
783 | memdb_change_array[i].version++; | |
784 | } | |
785 | } | |
786 | ||
787 | static gboolean | |
788 | kventry_hash_set( | |
789 | GHashTable *kvhash, | |
790 | const char *key, | |
791 | gconstpointer data, | |
792 | size_t len) | |
793 | { | |
794 | g_return_val_if_fail(kvhash != NULL, FALSE); | |
795 | g_return_val_if_fail(key != NULL, FALSE); | |
796 | g_return_val_if_fail(data != NULL, FALSE); | |
797 | ||
798 | kventry_t *entry; | |
71cc17bc DC |
799 | if (!len) { |
800 | g_hash_table_remove(kvhash, key); | |
801 | } else if ((entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
fe000966 DM |
802 | g_free(entry->data); |
803 | entry->data = g_memdup(data, len); | |
804 | entry->len = len; | |
805 | entry->version++; | |
806 | } else { | |
807 | kventry_t *entry = g_new0(kventry_t, 1); | |
808 | ||
809 | entry->key = g_strdup(key); | |
810 | entry->data = g_memdup(data, len); | |
811 | entry->len = len; | |
812 | ||
813 | g_hash_table_replace(kvhash, entry->key, entry); | |
814 | } | |
815 | ||
816 | return TRUE; | |
817 | } | |
818 | ||
819 | static const char *rrd_def_node[] = { | |
820 | "DS:loadavg:GAUGE:120:0:U", | |
821 | "DS:maxcpu:GAUGE:120:0:U", | |
822 | "DS:cpu:GAUGE:120:0:U", | |
823 | "DS:iowait:GAUGE:120:0:U", | |
824 | "DS:memtotal:GAUGE:120:0:U", | |
825 | "DS:memused:GAUGE:120:0:U", | |
826 | "DS:swaptotal:GAUGE:120:0:U", | |
827 | "DS:swapused:GAUGE:120:0:U", | |
828 | "DS:roottotal:GAUGE:120:0:U", | |
829 | "DS:rootused:GAUGE:120:0:U", | |
764296f1 DM |
830 | "DS:netin:DERIVE:120:0:U", |
831 | "DS:netout:DERIVE:120:0:U", | |
fe000966 DM |
832 | |
833 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
834 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
835 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
836 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
837 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
838 | ||
839 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
840 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
841 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
842 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
843 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
844 | NULL, | |
845 | }; | |
846 | ||
847 | static const char *rrd_def_vm[] = { | |
848 | "DS:maxcpu:GAUGE:120:0:U", | |
849 | "DS:cpu:GAUGE:120:0:U", | |
850 | "DS:maxmem:GAUGE:120:0:U", | |
851 | "DS:mem:GAUGE:120:0:U", | |
852 | "DS:maxdisk:GAUGE:120:0:U", | |
853 | "DS:disk:GAUGE:120:0:U", | |
764296f1 DM |
854 | "DS:netin:DERIVE:120:0:U", |
855 | "DS:netout:DERIVE:120:0:U", | |
856 | "DS:diskread:DERIVE:120:0:U", | |
857 | "DS:diskwrite:DERIVE:120:0:U", | |
fe000966 DM |
858 | |
859 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
860 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
861 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
862 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
863 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
864 | ||
865 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
866 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
867 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
868 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
869 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
870 | NULL, | |
871 | }; | |
872 | ||
873 | static const char *rrd_def_storage[] = { | |
874 | "DS:total:GAUGE:120:0:U", | |
875 | "DS:used:GAUGE:120:0:U", | |
876 | ||
877 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
878 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
879 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
880 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
881 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
882 | ||
883 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
884 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
885 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
886 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
887 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
888 | NULL, | |
889 | }; | |
890 | ||
891 | #define RRDDIR "/var/lib/rrdcached/db" | |
892 | ||
893 | static void | |
894 | create_rrd_file( | |
895 | const char *filename, | |
896 | int argcount, | |
897 | const char *rrddef[]) | |
898 | { | |
899 | /* start at day boundary */ | |
900 | time_t ctime; | |
901 | time(&ctime); | |
902 | struct tm *ltm = localtime(&ctime); | |
903 | ltm->tm_sec = 0; | |
904 | ltm->tm_min = 0; | |
905 | ltm->tm_hour = 0; | |
906 | ||
907 | rrd_clear_error(); | |
908 | if (rrd_create_r(filename, 60, timelocal(ltm), argcount, rrddef)) { | |
909 | cfs_message("RRD create error %s: %s", filename, rrd_get_error()); | |
910 | } | |
911 | } | |
912 | ||
913 | static inline const char * | |
914 | rrd_skip_data( | |
915 | const char *data, | |
916 | int count) | |
917 | { | |
918 | int found = 0; | |
919 | while (*data && found < count) { | |
920 | if (*data++ == ':') | |
921 | found++; | |
922 | } | |
923 | return data; | |
924 | } | |
925 | ||
926 | static void | |
927 | update_rrd_data( | |
928 | const char *key, | |
929 | gconstpointer data, | |
930 | size_t len) | |
931 | { | |
932 | g_return_if_fail(key != NULL); | |
933 | g_return_if_fail(data != NULL); | |
934 | g_return_if_fail(len > 0); | |
935 | g_return_if_fail(len < 4096); | |
936 | ||
937 | static const char *rrdcsock = "unix:/var/run/rrdcached.sock"; | |
938 | ||
939 | int use_daemon = 1; | |
940 | if (rrdc_connect(rrdcsock) != 0) | |
941 | use_daemon = 0; | |
942 | ||
ba9dcfc1 | 943 | char *filename = NULL; |
fe000966 DM |
944 | |
945 | int skip = 0; | |
946 | ||
947 | if (strncmp(key, "pve2-node/", 10) == 0) { | |
948 | const char *node = key + 10; | |
949 | ||
f9c865a8 | 950 | skip = 2; |
fe000966 DM |
951 | |
952 | if (strchr(node, '/') != NULL) | |
953 | goto keyerror; | |
954 | ||
955 | if (strlen(node) < 1) | |
956 | goto keyerror; | |
957 | ||
ba9dcfc1 DM |
958 | filename = g_strdup_printf(RRDDIR "/%s", key); |
959 | ||
fe000966 DM |
960 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
961 | ||
962 | mkdir(RRDDIR "/pve2-node", 0755); | |
963 | int argcount = sizeof(rrd_def_node)/sizeof(void*) - 1; | |
964 | create_rrd_file(filename, argcount, rrd_def_node); | |
965 | } | |
966 | ||
ba9dcfc1 DM |
967 | } else if ((strncmp(key, "pve2-vm/", 8) == 0) || |
968 | (strncmp(key, "pve2.3-vm/", 10) == 0)) { | |
969 | const char *vmid; | |
fe000966 | 970 | |
ba9dcfc1 DM |
971 | if (strncmp(key, "pve2-vm/", 8) == 0) { |
972 | vmid = key + 8; | |
973 | skip = 2; | |
974 | } else { | |
975 | vmid = key + 10; | |
94e4cba3 | 976 | skip = 4; |
ba9dcfc1 | 977 | } |
fe000966 DM |
978 | |
979 | if (strchr(vmid, '/') != NULL) | |
980 | goto keyerror; | |
981 | ||
982 | if (strlen(vmid) < 1) | |
983 | goto keyerror; | |
984 | ||
ba9dcfc1 DM |
985 | filename = g_strdup_printf(RRDDIR "/%s/%s", "pve2-vm", vmid); |
986 | ||
fe000966 DM |
987 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
988 | ||
989 | mkdir(RRDDIR "/pve2-vm", 0755); | |
990 | int argcount = sizeof(rrd_def_vm)/sizeof(void*) - 1; | |
991 | create_rrd_file(filename, argcount, rrd_def_vm); | |
992 | } | |
993 | ||
994 | } else if (strncmp(key, "pve2-storage/", 13) == 0) { | |
995 | const char *node = key + 13; | |
996 | ||
997 | const char *storage = node; | |
998 | while (*storage && *storage != '/') | |
999 | storage++; | |
1000 | ||
1001 | if (*storage != '/' || ((storage - node) < 1)) | |
1002 | goto keyerror; | |
1003 | ||
1004 | storage++; | |
1005 | ||
1006 | if (strchr(storage, '/') != NULL) | |
1007 | goto keyerror; | |
1008 | ||
1009 | if (strlen(storage) < 1) | |
1010 | goto keyerror; | |
1011 | ||
ba9dcfc1 DM |
1012 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1013 | ||
fe000966 DM |
1014 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1015 | ||
1016 | mkdir(RRDDIR "/pve2-storage", 0755); | |
1017 | ||
1018 | char *dir = g_path_get_dirname(filename); | |
1019 | mkdir(dir, 0755); | |
1020 | g_free(dir); | |
1021 | ||
1022 | int argcount = sizeof(rrd_def_storage)/sizeof(void*) - 1; | |
1023 | create_rrd_file(filename, argcount, rrd_def_storage); | |
1024 | } | |
1025 | ||
1026 | } else { | |
1027 | goto keyerror; | |
1028 | } | |
1029 | ||
1030 | const char *dp = skip ? rrd_skip_data(data, skip) : data; | |
1031 | ||
1032 | const char *update_args[] = { dp, NULL }; | |
1033 | ||
1034 | if (use_daemon) { | |
1035 | int status; | |
1036 | if ((status = rrdc_update(filename, 1, update_args)) != 0) { | |
1037 | cfs_message("RRDC update error %s: %d", filename, status); | |
1038 | rrdc_disconnect(); | |
1039 | rrd_clear_error(); | |
1040 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1041 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1042 | } | |
1043 | } | |
1044 | ||
1045 | } else { | |
1046 | rrd_clear_error(); | |
1047 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1048 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1049 | } | |
1050 | } | |
1051 | ||
1052 | ret: | |
ba9dcfc1 DM |
1053 | if (filename) |
1054 | g_free(filename); | |
1055 | ||
fe000966 DM |
1056 | return; |
1057 | ||
1058 | keyerror: | |
1059 | cfs_critical("RRD update error: unknown/wrong key %s", key); | |
1060 | goto ret; | |
1061 | } | |
1062 | ||
1063 | static gboolean | |
1064 | rrd_entry_is_old( | |
1065 | gpointer key, | |
1066 | gpointer value, | |
1067 | gpointer user_data) | |
1068 | { | |
1069 | rrdentry_t *entry = (rrdentry_t *)value; | |
1070 | uint32_t ctime = GPOINTER_TO_UINT(user_data); | |
1071 | ||
1072 | int diff = ctime - entry->time; | |
1073 | ||
1074 | /* remove everything older than 5 minutes */ | |
1075 | int expire = 60*5; | |
1076 | ||
1077 | return (diff > expire) ? TRUE : FALSE; | |
1078 | } | |
1079 | ||
1080 | static char *rrd_dump_buf = NULL; | |
1081 | static time_t rrd_dump_last = 0; | |
1082 | ||
1083 | void | |
1084 | cfs_rrd_dump(GString *str) | |
1085 | { | |
1086 | time_t ctime; | |
fe000966 | 1087 | |
663896cf TL |
1088 | g_mutex_lock (&mutex); |
1089 | ||
1090 | time(&ctime); | |
fe000966 DM |
1091 | if (rrd_dump_buf && (ctime - rrd_dump_last) < 2) { |
1092 | g_string_assign(str, rrd_dump_buf); | |
663896cf | 1093 | g_mutex_unlock (&mutex); |
fe000966 DM |
1094 | return; |
1095 | } | |
1096 | ||
1097 | /* remove old data */ | |
1098 | g_hash_table_foreach_remove(cfs_status.rrdhash, rrd_entry_is_old, | |
1099 | GUINT_TO_POINTER(ctime)); | |
1100 | ||
1101 | g_string_set_size(str, 0); | |
1102 | ||
1103 | GHashTableIter iter; | |
1104 | gpointer key, value; | |
1105 | ||
1106 | g_hash_table_iter_init (&iter, cfs_status.rrdhash); | |
1107 | ||
1108 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1109 | rrdentry_t *entry = (rrdentry_t *)value; | |
1110 | g_string_append(str, key); | |
1111 | g_string_append(str, ":"); | |
1112 | g_string_append(str, entry->data); | |
1113 | g_string_append(str, "\n"); | |
1114 | } | |
1115 | ||
1116 | g_string_append_c(str, 0); // never return undef | |
1117 | ||
1118 | rrd_dump_last = ctime; | |
1119 | if (rrd_dump_buf) | |
1120 | g_free(rrd_dump_buf); | |
1121 | rrd_dump_buf = g_strdup(str->str); | |
663896cf TL |
1122 | |
1123 | g_mutex_unlock (&mutex); | |
fe000966 DM |
1124 | } |
1125 | ||
1126 | static gboolean | |
1127 | nodeip_hash_set( | |
1128 | GHashTable *iphash, | |
1129 | const char *nodename, | |
1130 | const char *ip, | |
1131 | size_t len) | |
1132 | { | |
1133 | g_return_val_if_fail(iphash != NULL, FALSE); | |
1134 | g_return_val_if_fail(nodename != NULL, FALSE); | |
1135 | g_return_val_if_fail(ip != NULL, FALSE); | |
1136 | g_return_val_if_fail(len > 0, FALSE); | |
1137 | g_return_val_if_fail(len < 256, FALSE); | |
1138 | g_return_val_if_fail(ip[len-1] == 0, FALSE); | |
1139 | ||
1140 | char *oldip = (char *)g_hash_table_lookup(iphash, nodename); | |
1141 | ||
1142 | if (!oldip || (strcmp(oldip, ip) != 0)) { | |
1143 | cfs_status.clinfo_version++; | |
1144 | g_hash_table_replace(iphash, g_strdup(nodename), g_strdup(ip)); | |
1145 | } | |
1146 | ||
1147 | return TRUE; | |
1148 | } | |
1149 | ||
1150 | static gboolean | |
1151 | rrdentry_hash_set( | |
1152 | GHashTable *rrdhash, | |
1153 | const char *key, | |
1154 | const char *data, | |
1155 | size_t len) | |
1156 | { | |
1157 | g_return_val_if_fail(rrdhash != NULL, FALSE); | |
1158 | g_return_val_if_fail(key != NULL, FALSE); | |
1159 | g_return_val_if_fail(data != NULL, FALSE); | |
1160 | g_return_val_if_fail(len > 0, FALSE); | |
1161 | g_return_val_if_fail(len < 4096, FALSE); | |
1162 | g_return_val_if_fail(data[len-1] == 0, FALSE); | |
1163 | ||
1164 | rrdentry_t *entry; | |
1165 | if ((entry = (rrdentry_t *)g_hash_table_lookup(rrdhash, key))) { | |
1166 | g_free(entry->data); | |
1167 | entry->data = g_memdup(data, len); | |
1168 | entry->len = len; | |
1169 | entry->time = time(NULL); | |
1170 | } else { | |
1171 | rrdentry_t *entry = g_new0(rrdentry_t, 1); | |
1172 | ||
1173 | entry->key = g_strdup(key); | |
1174 | entry->data = g_memdup(data, len); | |
1175 | entry->len = len; | |
1176 | entry->time = time(NULL); | |
1177 | ||
1178 | g_hash_table_replace(rrdhash, entry->key, entry); | |
1179 | } | |
1180 | ||
1181 | update_rrd_data(key, data, len); | |
1182 | ||
1183 | return TRUE; | |
1184 | } | |
1185 | ||
1186 | static int | |
1187 | kvstore_send_update_message( | |
1188 | dfsm_t *dfsm, | |
1189 | const char *key, | |
1190 | gpointer data, | |
1191 | guint32 len) | |
1192 | { | |
af2e9dd4 DM |
1193 | if (!dfsm_is_initialized(dfsm)) |
1194 | return -EACCES; | |
fe000966 DM |
1195 | |
1196 | struct iovec iov[2]; | |
1197 | ||
1198 | char name[256]; | |
1199 | g_strlcpy(name, key, sizeof(name)); | |
1200 | ||
1201 | iov[0].iov_base = &name; | |
1202 | iov[0].iov_len = sizeof(name); | |
1203 | ||
1204 | iov[1].iov_base = (char *)data; | |
1205 | iov[1].iov_len = len; | |
1206 | ||
1207 | if (dfsm_send_message(dfsm, KVSTORE_MESSAGE_UPDATE, iov, 2) == CS_OK) | |
1208 | return 0; | |
1209 | ||
1210 | return -EACCES; | |
1211 | } | |
1212 | ||
1213 | static clog_entry_t * | |
1214 | kvstore_parse_log_message( | |
1215 | const void *msg, | |
1216 | size_t msg_len) | |
1217 | { | |
1218 | g_return_val_if_fail(msg != NULL, NULL); | |
1219 | ||
1220 | if (msg_len < sizeof(clog_entry_t)) { | |
e5a5a3ea | 1221 | cfs_critical("received short log message (%zu < %zu)", msg_len, sizeof(clog_entry_t)); |
fe000966 DM |
1222 | return NULL; |
1223 | } | |
1224 | ||
1225 | clog_entry_t *entry = (clog_entry_t *)msg; | |
1226 | ||
1227 | uint32_t size = sizeof(clog_entry_t) + entry->node_len + | |
1228 | entry->ident_len + entry->tag_len + entry->msg_len; | |
1229 | ||
1230 | if (msg_len != size) { | |
e5a5a3ea | 1231 | cfs_critical("received log message with wrong size (%zu != %u)", msg_len, size); |
fe000966 DM |
1232 | return NULL; |
1233 | } | |
1234 | ||
1235 | msg = entry->data; | |
1236 | ||
1237 | if (*((char *)msg + entry->node_len - 1)) { | |
1238 | cfs_critical("unterminated string in log message"); | |
1239 | return NULL; | |
1240 | } | |
1241 | msg += entry->node_len; | |
1242 | ||
1243 | if (*((char *)msg + entry->ident_len - 1)) { | |
1244 | cfs_critical("unterminated string in log message"); | |
1245 | return NULL; | |
1246 | } | |
1247 | msg += entry->ident_len; | |
1248 | ||
1249 | if (*((char *)msg + entry->tag_len - 1)) { | |
1250 | cfs_critical("unterminated string in log message"); | |
1251 | return NULL; | |
1252 | } | |
1253 | msg += entry->tag_len; | |
1254 | ||
1255 | if (*((char *)msg + entry->msg_len - 1)) { | |
1256 | cfs_critical("unterminated string in log message"); | |
1257 | return NULL; | |
1258 | } | |
1259 | ||
1260 | return entry; | |
1261 | } | |
1262 | ||
1263 | static gboolean | |
1264 | kvstore_parse_update_message( | |
1265 | const void *msg, | |
1266 | size_t msg_len, | |
1267 | const char **key, | |
1268 | gconstpointer *data, | |
1269 | guint32 *len) | |
1270 | { | |
1271 | g_return_val_if_fail(msg != NULL, FALSE); | |
1272 | g_return_val_if_fail(key != NULL, FALSE); | |
1273 | g_return_val_if_fail(data != NULL, FALSE); | |
1274 | g_return_val_if_fail(len != NULL, FALSE); | |
1275 | ||
1276 | if (msg_len < 256) { | |
e5a5a3ea | 1277 | cfs_critical("received short kvstore message (%zu < 256)", msg_len); |
fe000966 DM |
1278 | return FALSE; |
1279 | } | |
1280 | ||
1281 | /* test if key is null terminated */ | |
1282 | int i = 0; | |
1283 | for (i = 0; i < 256; i++) | |
1284 | if (((char *)msg)[i] == 0) | |
1285 | break; | |
1286 | ||
1287 | if (i == 256) | |
1288 | return FALSE; | |
1289 | ||
1290 | ||
1291 | *len = msg_len - 256; | |
1292 | *key = msg; | |
1293 | *data = msg + 256; | |
1294 | ||
1295 | return TRUE; | |
1296 | } | |
1297 | ||
1298 | int | |
1299 | cfs_create_status_msg( | |
1300 | GString *str, | |
1301 | const char *nodename, | |
1302 | const char *key) | |
1303 | { | |
1304 | g_return_val_if_fail(str != NULL, -EINVAL); | |
1305 | g_return_val_if_fail(key != NULL, -EINVAL); | |
1306 | ||
1307 | int res = -ENOENT; | |
1308 | ||
1309 | GHashTable *kvhash = NULL; | |
1310 | ||
89fde9ac | 1311 | g_mutex_lock (&mutex); |
fe000966 DM |
1312 | |
1313 | if (!nodename || !nodename[0] || !strcmp(nodename, cfs.nodename)) { | |
1314 | kvhash = cfs_status.kvhash; | |
043bbd8f | 1315 | } else if (cfs_status.clinfo && cfs_status.clinfo->nodes_byname) { |
fe000966 DM |
1316 | cfs_clnode_t *clnode; |
1317 | if ((clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byname, nodename))) | |
1318 | kvhash = clnode->kvhash; | |
1319 | } | |
1320 | ||
1321 | kventry_t *entry; | |
1322 | if (kvhash && (entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
1323 | g_string_append_len(str, entry->data, entry->len); | |
1324 | res = 0; | |
1325 | } | |
1326 | ||
89fde9ac | 1327 | g_mutex_unlock (&mutex); |
fe000966 DM |
1328 | |
1329 | return res; | |
1330 | } | |
1331 | ||
1332 | int | |
1333 | cfs_status_set( | |
1334 | const char *key, | |
1335 | gpointer data, | |
1336 | size_t len) | |
1337 | { | |
1338 | g_return_val_if_fail(key != NULL, FALSE); | |
1339 | g_return_val_if_fail(data != NULL, FALSE); | |
1340 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1341 | ||
1342 | if (len > CFS_MAX_STATUS_SIZE) | |
1343 | return -EFBIG; | |
1344 | ||
89fde9ac | 1345 | g_mutex_lock (&mutex); |
fe000966 DM |
1346 | |
1347 | gboolean res; | |
1348 | ||
1349 | if (strncmp(key, "rrd/", 4) == 0) { | |
1350 | res = rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1351 | } else if (!strcmp(key, "nodeip")) { | |
1352 | res = nodeip_hash_set(cfs_status.iphash, cfs.nodename, data, len); | |
1353 | } else { | |
1354 | res = kventry_hash_set(cfs_status.kvhash, key, data, len); | |
1355 | } | |
89fde9ac | 1356 | g_mutex_unlock (&mutex); |
fe000966 DM |
1357 | |
1358 | if (cfs_status.kvstore) | |
1359 | kvstore_send_update_message(cfs_status.kvstore, key, data, len); | |
1360 | ||
1361 | return res ? 0 : -ENOMEM; | |
1362 | } | |
1363 | ||
1364 | gboolean | |
1365 | cfs_kvstore_node_set( | |
1366 | uint32_t nodeid, | |
1367 | const char *key, | |
1368 | gconstpointer data, | |
1369 | size_t len) | |
1370 | { | |
1371 | g_return_val_if_fail(nodeid != 0, FALSE); | |
1372 | g_return_val_if_fail(key != NULL, FALSE); | |
1373 | g_return_val_if_fail(data != NULL, FALSE); | |
1374 | ||
89fde9ac | 1375 | g_mutex_lock (&mutex); |
fe000966 DM |
1376 | |
1377 | if (!cfs_status.clinfo || !cfs_status.clinfo->nodes_byid) | |
1378 | goto ret; /* ignore */ | |
1379 | ||
1380 | cfs_clnode_t *clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byid, &nodeid); | |
1381 | if (!clnode) | |
1382 | goto ret; /* ignore */ | |
1383 | ||
1384 | cfs_debug("got node %d status update %s", nodeid, key); | |
1385 | ||
1386 | if (strncmp(key, "rrd/", 4) == 0) { | |
1387 | rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1388 | } else if (!strcmp(key, "nodeip")) { | |
1389 | nodeip_hash_set(cfs_status.iphash, clnode->name, data, len); | |
1390 | } else { | |
1391 | if (!clnode->kvhash) { | |
1392 | if (!(clnode->kvhash = kventry_hash_new())) { | |
1393 | goto ret; /*ignore */ | |
1394 | } | |
1395 | } | |
1396 | ||
1397 | kventry_hash_set(clnode->kvhash, key, data, len); | |
1398 | ||
1399 | } | |
1400 | ret: | |
89fde9ac | 1401 | g_mutex_unlock (&mutex); |
fe000966 DM |
1402 | |
1403 | return TRUE; | |
1404 | } | |
1405 | ||
1406 | static gboolean | |
1407 | cfs_kvstore_sync(void) | |
1408 | { | |
1409 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1410 | g_return_val_if_fail(cfs_status.kvstore != NULL, FALSE); | |
1411 | ||
1412 | gboolean res = TRUE; | |
1413 | ||
89fde9ac | 1414 | g_mutex_lock (&mutex); |
fe000966 DM |
1415 | |
1416 | GHashTable *ht = cfs_status.kvhash; | |
1417 | GHashTableIter iter; | |
1418 | gpointer key, value; | |
1419 | ||
1420 | g_hash_table_iter_init (&iter, ht); | |
1421 | ||
1422 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1423 | kventry_t *entry = (kventry_t *)value; | |
1424 | kvstore_send_update_message(cfs_status.kvstore, entry->key, entry->data, entry->len); | |
1425 | } | |
1426 | ||
89fde9ac | 1427 | g_mutex_unlock (&mutex); |
fe000966 DM |
1428 | |
1429 | return res; | |
1430 | } | |
1431 | ||
1432 | static int | |
1433 | dfsm_deliver( | |
1434 | dfsm_t *dfsm, | |
1435 | gpointer data, | |
1436 | int *res_ptr, | |
1437 | uint32_t nodeid, | |
1438 | uint32_t pid, | |
1439 | uint16_t msg_type, | |
1440 | uint32_t msg_time, | |
1441 | const void *msg, | |
1442 | size_t msg_len) | |
1443 | { | |
1444 | g_return_val_if_fail(dfsm != NULL, -1); | |
1445 | g_return_val_if_fail(msg != NULL, -1); | |
1446 | g_return_val_if_fail(res_ptr != NULL, -1); | |
1447 | ||
1448 | /* ignore message for ourself */ | |
1449 | if (dfsm_nodeid_is_local(dfsm, nodeid, pid)) | |
1450 | goto ret; | |
1451 | ||
1452 | if (msg_type == KVSTORE_MESSAGE_UPDATE) { | |
1453 | const char *key; | |
1454 | gconstpointer data; | |
1455 | guint32 len; | |
1456 | if (kvstore_parse_update_message(msg, msg_len, &key, &data, &len)) { | |
1457 | cfs_kvstore_node_set(nodeid, key, data, len); | |
1458 | } else { | |
1459 | cfs_critical("cant parse update message"); | |
1460 | } | |
1461 | } else if (msg_type == KVSTORE_MESSAGE_LOG) { | |
1462 | cfs_message("received log"); // fixme: remove | |
1463 | const clog_entry_t *entry; | |
1464 | if ((entry = kvstore_parse_log_message(msg, msg_len))) { | |
1465 | clusterlog_insert(cfs_status.clusterlog, entry); | |
1466 | } else { | |
1467 | cfs_critical("cant parse log message"); | |
1468 | } | |
1469 | } else { | |
1470 | cfs_critical("received unknown message type %d\n", msg_type); | |
1471 | goto fail; | |
1472 | } | |
1473 | ||
1474 | ret: | |
1475 | *res_ptr = 0; | |
1476 | return 1; | |
1477 | ||
1478 | fail: | |
1479 | *res_ptr = -EACCES; | |
1480 | return 1; | |
1481 | } | |
1482 | ||
1483 | static void | |
1484 | dfsm_confchg( | |
1485 | dfsm_t *dfsm, | |
1486 | gpointer data, | |
1487 | const struct cpg_address *member_list, | |
1488 | size_t member_list_entries) | |
1489 | { | |
1490 | g_return_if_fail(dfsm != NULL); | |
1491 | g_return_if_fail(member_list != NULL); | |
1492 | ||
1493 | cfs_debug("enter %s", __func__); | |
1494 | ||
89fde9ac | 1495 | g_mutex_lock (&mutex); |
fe000966 DM |
1496 | |
1497 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
1498 | ||
1499 | if (clinfo && clinfo->nodes_byid) { | |
1500 | ||
1501 | GHashTable *ht = clinfo->nodes_byid; | |
1502 | GHashTableIter iter; | |
1503 | gpointer key, value; | |
1504 | ||
1505 | g_hash_table_iter_init (&iter, ht); | |
1506 | ||
1507 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1508 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
1509 | node->online = FALSE; | |
1510 | } | |
1511 | ||
1512 | for (int i = 0; i < member_list_entries; i++) { | |
1513 | cfs_clnode_t *node; | |
1514 | if ((node = g_hash_table_lookup(clinfo->nodes_byid, &member_list[i].nodeid))) { | |
1515 | node->online = TRUE; | |
1516 | } | |
1517 | } | |
1518 | ||
1519 | cfs_status.clinfo_version++; | |
1520 | } | |
1521 | ||
89fde9ac | 1522 | g_mutex_unlock (&mutex); |
fe000966 DM |
1523 | } |
1524 | ||
1525 | static gpointer | |
1526 | dfsm_get_state( | |
1527 | dfsm_t *dfsm, | |
1528 | gpointer data, | |
1529 | unsigned int *res_len) | |
1530 | { | |
1531 | g_return_val_if_fail(dfsm != NULL, NULL); | |
1532 | ||
1533 | gpointer msg = clusterlog_get_state(cfs_status.clusterlog, res_len); | |
1534 | ||
1535 | return msg; | |
1536 | } | |
1537 | ||
1538 | static int | |
1539 | dfsm_process_update( | |
1540 | dfsm_t *dfsm, | |
1541 | gpointer data, | |
1542 | dfsm_sync_info_t *syncinfo, | |
1543 | uint32_t nodeid, | |
1544 | uint32_t pid, | |
1545 | const void *msg, | |
1546 | size_t msg_len) | |
1547 | { | |
1548 | cfs_critical("%s: received unexpected update message", __func__); | |
1549 | ||
1550 | return -1; | |
1551 | } | |
1552 | ||
1553 | static int | |
1554 | dfsm_process_state_update( | |
1555 | dfsm_t *dfsm, | |
1556 | gpointer data, | |
1557 | dfsm_sync_info_t *syncinfo) | |
1558 | { | |
1559 | g_return_val_if_fail(dfsm != NULL, -1); | |
1560 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1561 | ||
1562 | clog_base_t *clog[syncinfo->node_count]; | |
1563 | ||
1564 | int local_index = -1; | |
1565 | for (int i = 0; i < syncinfo->node_count; i++) { | |
1566 | dfsm_node_info_t *ni = &syncinfo->nodes[i]; | |
1567 | ni->synced = 1; | |
1568 | ||
1569 | if (syncinfo->local == ni) | |
1570 | local_index = i; | |
1571 | ||
1572 | clog_base_t *base = (clog_base_t *)ni->state; | |
1573 | if (ni->state_len > 8 && ni->state_len == clog_size(base)) { | |
1574 | clog[i] = ni->state; | |
1575 | } else { | |
1576 | cfs_critical("received log with wrong size %u", ni->state_len); | |
1577 | clog[i] = NULL; | |
1578 | } | |
1579 | } | |
1580 | ||
1581 | if (!clusterlog_merge(cfs_status.clusterlog, clog, syncinfo->node_count, local_index)) { | |
1582 | cfs_critical("unable to merge log files"); | |
1583 | } | |
1584 | ||
1585 | cfs_kvstore_sync(); | |
1586 | ||
1587 | return 1; | |
1588 | } | |
1589 | ||
1590 | static int | |
1591 | dfsm_commit( | |
1592 | dfsm_t *dfsm, | |
1593 | gpointer data, | |
1594 | dfsm_sync_info_t *syncinfo) | |
1595 | { | |
1596 | g_return_val_if_fail(dfsm != NULL, -1); | |
1597 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1598 | ||
1599 | return 1; | |
1600 | } | |
1601 | ||
1602 | static void | |
1603 | dfsm_synced(dfsm_t *dfsm) | |
1604 | { | |
1605 | g_return_if_fail(dfsm != NULL); | |
1606 | ||
1607 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, cfs.nodename); | |
1608 | if (!ip) | |
1609 | ip = cfs.ip; | |
1610 | ||
1611 | cfs_status_set("nodeip", ip, strlen(ip) + 1); | |
1612 | } | |
1613 | ||
1614 | static int | |
1615 | dfsm_cleanup( | |
1616 | dfsm_t *dfsm, | |
1617 | gpointer data, | |
1618 | dfsm_sync_info_t *syncinfo) | |
1619 | { | |
1620 | return 1; | |
1621 | } | |
1622 | ||
1623 | static dfsm_callbacks_t kvstore_dfsm_callbacks = { | |
1624 | .dfsm_deliver_fn = dfsm_deliver, | |
1625 | .dfsm_confchg_fn = dfsm_confchg, | |
1626 | ||
1627 | .dfsm_get_state_fn = dfsm_get_state, | |
1628 | .dfsm_process_state_update_fn = dfsm_process_state_update, | |
1629 | .dfsm_process_update_fn = dfsm_process_update, | |
1630 | .dfsm_commit_fn = dfsm_commit, | |
1631 | .dfsm_cleanup_fn = dfsm_cleanup, | |
1632 | .dfsm_synced_fn = dfsm_synced, | |
1633 | }; | |
1634 | ||
1635 | dfsm_t * | |
1636 | cfs_status_dfsm_new(void) | |
1637 | { | |
89fde9ac | 1638 | g_mutex_lock (&mutex); |
fe000966 DM |
1639 | |
1640 | cfs_status.kvstore = dfsm_new(NULL, KVSTORE_CPG_GROUP_NAME, G_LOG_DOMAIN, | |
1641 | 0, &kvstore_dfsm_callbacks); | |
89fde9ac | 1642 | g_mutex_unlock (&mutex); |
fe000966 DM |
1643 | |
1644 | return cfs_status.kvstore; | |
1645 | } | |
1646 | ||
1647 | gboolean | |
1648 | cfs_is_quorate(void) | |
1649 | { | |
89fde9ac | 1650 | g_mutex_lock (&mutex); |
fe000966 | 1651 | gboolean res = cfs_status.quorate; |
89fde9ac | 1652 | g_mutex_unlock (&mutex); |
fe000966 DM |
1653 | |
1654 | return res; | |
1655 | } | |
1656 | ||
1657 | void | |
1658 | cfs_set_quorate( | |
1659 | uint32_t quorate, | |
1660 | gboolean quiet) | |
1661 | { | |
89fde9ac | 1662 | g_mutex_lock (&mutex); |
fe000966 DM |
1663 | |
1664 | uint32_t prev_quorate = cfs_status.quorate; | |
1665 | cfs_status.quorate = quorate; | |
1666 | ||
1667 | if (!prev_quorate && cfs_status.quorate) { | |
1668 | if (!quiet) | |
1669 | cfs_message("node has quorum"); | |
1670 | } | |
1671 | ||
1672 | if (prev_quorate && !cfs_status.quorate) { | |
1673 | if (!quiet) | |
1674 | cfs_message("node lost quorum"); | |
1675 | } | |
1676 | ||
89fde9ac | 1677 | g_mutex_unlock (&mutex); |
fe000966 | 1678 | } |