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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> | |
cf1b19d9 | 36 | #include <ctype.h> |
fe000966 DM |
37 | |
38 | #include "cfs-utils.h" | |
39 | #include "status.h" | |
cf1b19d9 | 40 | #include "memdb.h" |
fe000966 DM |
41 | #include "logger.h" |
42 | ||
43 | #define KVSTORE_CPG_GROUP_NAME "pve_kvstore_v1" | |
44 | ||
45 | typedef enum { | |
46 | KVSTORE_MESSAGE_UPDATE = 1, | |
47 | KVSTORE_MESSAGE_UPDATE_COMPLETE = 2, | |
48 | KVSTORE_MESSAGE_LOG = 3, | |
49 | } kvstore_message_t; | |
50 | ||
51 | static uint32_t vminfo_version_counter; | |
52 | ||
53 | typedef struct { | |
54 | uint32_t vmid; | |
55 | char *nodename; | |
56 | int vmtype; | |
57 | uint32_t version; | |
58 | } vminfo_t; | |
59 | ||
60 | typedef struct { | |
61 | char *key; | |
62 | gpointer data; | |
63 | size_t len; | |
64 | uint32_t version; | |
65 | } kventry_t; | |
66 | ||
67 | typedef struct { | |
68 | char *key; | |
69 | gpointer data; | |
70 | size_t len; | |
71 | uint32_t time; | |
72 | } rrdentry_t; | |
73 | ||
74 | typedef struct { | |
75 | char *path; | |
76 | uint32_t version; | |
77 | } memdb_change_t; | |
78 | ||
79 | static memdb_change_t memdb_change_array[] = { | |
2113d031 DM |
80 | { .path = "corosync.conf" }, |
81 | { .path = "corosync.conf.new" }, | |
fe000966 DM |
82 | { .path = "storage.cfg" }, |
83 | { .path = "user.cfg" }, | |
84 | { .path = "domains.cfg" }, | |
85 | { .path = "priv/shadow.cfg" }, | |
8a9456dc | 86 | { .path = "priv/tfa.cfg" }, |
fe000966 | 87 | { .path = "datacenter.cfg" }, |
e1735a61 | 88 | { .path = "vzdump.cron" }, |
5a5417e6 DM |
89 | { .path = "ha/crm_commands" }, |
90 | { .path = "ha/manager_status" }, | |
91 | { .path = "ha/resources.cfg" }, | |
92 | { .path = "ha/groups.cfg" }, | |
e9af3eb7 | 93 | { .path = "ha/fence.cfg" }, |
9d4f69ff | 94 | { .path = "status.cfg" }, |
f6de131a | 95 | { .path = "replication.cfg" }, |
22e2ed76 | 96 | { .path = "ceph.conf" }, |
fe000966 DM |
97 | }; |
98 | ||
89fde9ac | 99 | static GMutex mutex; |
fe000966 DM |
100 | |
101 | typedef struct { | |
102 | time_t start_time; | |
103 | ||
104 | uint32_t quorate; | |
105 | ||
106 | cfs_clinfo_t *clinfo; | |
107 | uint32_t clinfo_version; | |
108 | ||
109 | GHashTable *vmlist; | |
110 | uint32_t vmlist_version; | |
111 | ||
112 | dfsm_t *kvstore; | |
113 | GHashTable *kvhash; | |
114 | GHashTable *rrdhash; | |
115 | GHashTable *iphash; | |
116 | ||
117 | GHashTable *memdb_changes; | |
118 | ||
119 | clusterlog_t *clusterlog; | |
120 | } cfs_status_t; | |
121 | ||
122 | static cfs_status_t cfs_status; | |
123 | ||
124 | struct cfs_clnode { | |
125 | char *name; | |
126 | uint32_t nodeid; | |
127 | uint32_t votes; | |
128 | gboolean online; | |
129 | GHashTable *kvhash; | |
130 | }; | |
131 | ||
132 | struct cfs_clinfo { | |
133 | char *cluster_name; | |
134 | uint32_t cman_version; | |
135 | ||
136 | GHashTable *nodes_byid; | |
137 | GHashTable *nodes_byname; | |
138 | }; | |
139 | ||
140 | static guint | |
141 | g_int32_hash (gconstpointer v) | |
142 | { | |
143 | return *(const uint32_t *) v; | |
144 | } | |
145 | ||
146 | static gboolean | |
147 | g_int32_equal (gconstpointer v1, | |
148 | gconstpointer v2) | |
149 | { | |
150 | return *((const uint32_t*) v1) == *((const uint32_t*) v2); | |
151 | } | |
152 | ||
153 | static void vminfo_free(vminfo_t *vminfo) | |
154 | { | |
155 | g_return_if_fail(vminfo != NULL); | |
156 | ||
157 | if (vminfo->nodename) | |
158 | g_free(vminfo->nodename); | |
159 | ||
160 | ||
161 | g_free(vminfo); | |
162 | } | |
163 | ||
99abbd31 TL |
164 | static const char *vminfo_type_to_string(vminfo_t *vminfo) |
165 | { | |
166 | if (vminfo->vmtype == VMTYPE_QEMU) { | |
167 | return "qemu"; | |
168 | } else if (vminfo->vmtype == VMTYPE_OPENVZ) { | |
169 | return "openvz"; | |
170 | } else if (vminfo->vmtype == VMTYPE_LXC) { | |
171 | return "lxc"; | |
172 | } else { | |
173 | return "unknown"; | |
174 | } | |
c26ca647 TL |
175 | } |
176 | ||
cf1b19d9 TL |
177 | static const char *vminfo_type_to_path_type(vminfo_t *vminfo) |
178 | { | |
179 | if (vminfo->vmtype == VMTYPE_QEMU) { | |
180 | return "qemu-server"; // special case.. | |
181 | } else { | |
182 | return vminfo_type_to_string(vminfo); | |
183 | } | |
184 | } | |
185 | ||
186 | int vminfo_to_path(vminfo_t *vminfo, GString *path) | |
187 | { | |
188 | g_return_val_if_fail(vminfo != NULL, -1); | |
189 | g_return_val_if_fail(path != NULL, -1); | |
190 | ||
191 | if (!vminfo->nodename) | |
192 | return 0; | |
193 | ||
194 | const char *type = vminfo_type_to_path_type(vminfo); | |
195 | g_string_printf(path, "/nodes/%s/%s/%u.conf", vminfo->nodename, type, vminfo->vmid); | |
196 | ||
197 | return 1; | |
198 | } | |
199 | ||
fe000966 DM |
200 | void cfs_clnode_destroy( |
201 | cfs_clnode_t *clnode) | |
202 | { | |
203 | g_return_if_fail(clnode != NULL); | |
204 | ||
205 | if (clnode->kvhash) | |
206 | g_hash_table_destroy(clnode->kvhash); | |
207 | ||
208 | if (clnode->name) | |
209 | g_free(clnode->name); | |
210 | ||
211 | g_free(clnode); | |
212 | } | |
213 | ||
214 | cfs_clnode_t *cfs_clnode_new( | |
215 | const char *name, | |
216 | uint32_t nodeid, | |
217 | uint32_t votes) | |
218 | { | |
219 | g_return_val_if_fail(name != NULL, NULL); | |
220 | ||
221 | cfs_clnode_t *clnode = g_new0(cfs_clnode_t, 1); | |
222 | if (!clnode) | |
223 | return NULL; | |
224 | ||
225 | clnode->name = g_strdup(name); | |
226 | clnode->nodeid = nodeid; | |
227 | clnode->votes = votes; | |
228 | ||
229 | return clnode; | |
230 | } | |
231 | ||
232 | gboolean cfs_clinfo_destroy( | |
233 | cfs_clinfo_t *clinfo) | |
234 | { | |
235 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
236 | ||
237 | if (clinfo->cluster_name) | |
238 | g_free(clinfo->cluster_name); | |
239 | ||
240 | if (clinfo->nodes_byname) | |
241 | g_hash_table_destroy(clinfo->nodes_byname); | |
242 | ||
243 | if (clinfo->nodes_byid) | |
244 | g_hash_table_destroy(clinfo->nodes_byid); | |
245 | ||
246 | g_free(clinfo); | |
247 | ||
248 | return TRUE; | |
249 | } | |
250 | ||
251 | cfs_clinfo_t *cfs_clinfo_new( | |
252 | const char *cluster_name, | |
253 | uint32_t cman_version) | |
254 | { | |
255 | g_return_val_if_fail(cluster_name != NULL, NULL); | |
256 | ||
257 | cfs_clinfo_t *clinfo = g_new0(cfs_clinfo_t, 1); | |
258 | if (!clinfo) | |
259 | return NULL; | |
260 | ||
261 | clinfo->cluster_name = g_strdup(cluster_name); | |
262 | clinfo->cman_version = cman_version; | |
263 | ||
264 | if (!(clinfo->nodes_byid = g_hash_table_new_full( | |
265 | g_int32_hash, g_int32_equal, NULL, | |
266 | (GDestroyNotify)cfs_clnode_destroy))) | |
267 | goto fail; | |
268 | ||
269 | if (!(clinfo->nodes_byname = g_hash_table_new(g_str_hash, g_str_equal))) | |
270 | goto fail; | |
271 | ||
272 | return clinfo; | |
273 | ||
274 | fail: | |
275 | cfs_clinfo_destroy(clinfo); | |
276 | ||
277 | return NULL; | |
278 | } | |
279 | ||
280 | gboolean cfs_clinfo_add_node( | |
281 | cfs_clinfo_t *clinfo, | |
282 | cfs_clnode_t *clnode) | |
283 | { | |
284 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
285 | g_return_val_if_fail(clnode != NULL, FALSE); | |
286 | ||
287 | g_hash_table_replace(clinfo->nodes_byid, &clnode->nodeid, clnode); | |
288 | g_hash_table_replace(clinfo->nodes_byname, clnode->name, clnode); | |
289 | ||
290 | return TRUE; | |
291 | } | |
292 | ||
293 | int | |
294 | cfs_create_memberlist_msg( | |
295 | GString *str) | |
296 | { | |
297 | g_return_val_if_fail(str != NULL, -EINVAL); | |
298 | ||
89fde9ac | 299 | g_mutex_lock (&mutex); |
fe000966 DM |
300 | |
301 | g_string_append_printf(str,"{\n"); | |
302 | ||
303 | guint nodecount = 0; | |
304 | ||
305 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
306 | ||
307 | if (clinfo && clinfo->nodes_byid) | |
308 | nodecount = g_hash_table_size(clinfo->nodes_byid); | |
309 | ||
310 | if (nodecount) { | |
311 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
312 | g_string_append_printf(str, "\"version\": %u,\n", cfs_status.clinfo_version); | |
313 | ||
314 | g_string_append_printf(str, "\"cluster\": { "); | |
315 | g_string_append_printf(str, "\"name\": \"%s\", \"version\": %d, " | |
316 | "\"nodes\": %d, \"quorate\": %d ", | |
317 | clinfo->cluster_name, clinfo->cman_version, | |
318 | nodecount, cfs_status.quorate); | |
319 | ||
320 | g_string_append_printf(str,"},\n"); | |
321 | g_string_append_printf(str,"\"nodelist\": {\n"); | |
322 | ||
323 | GHashTable *ht = clinfo->nodes_byid; | |
324 | GHashTableIter iter; | |
325 | gpointer key, value; | |
326 | ||
327 | g_hash_table_iter_init (&iter, ht); | |
328 | ||
329 | int i = 0; | |
330 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
331 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
332 | if (i) g_string_append_printf(str, ",\n"); | |
333 | i++; | |
334 | ||
335 | g_string_append_printf(str, " \"%s\": { \"id\": %d, \"online\": %d", | |
336 | node->name, node->nodeid, node->online); | |
337 | ||
338 | ||
339 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, node->name); | |
340 | if (ip) { | |
341 | g_string_append_printf(str, ", \"ip\": \"%s\"", ip); | |
342 | } | |
343 | ||
344 | g_string_append_printf(str, "}"); | |
345 | ||
346 | } | |
347 | g_string_append_printf(str,"\n }\n"); | |
348 | } else { | |
349 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
350 | g_string_append_printf(str, "\"version\": %u\n", cfs_status.clinfo_version); | |
351 | } | |
352 | ||
353 | g_string_append_printf(str,"}\n"); | |
354 | ||
89fde9ac | 355 | g_mutex_unlock (&mutex); |
fe000966 DM |
356 | |
357 | return 0; | |
358 | } | |
359 | ||
360 | static void | |
361 | kventry_free(kventry_t *entry) | |
362 | { | |
363 | g_return_if_fail(entry != NULL); | |
364 | ||
365 | g_free(entry->key); | |
366 | g_free(entry->data); | |
367 | g_free(entry); | |
368 | } | |
369 | ||
370 | static GHashTable * | |
371 | kventry_hash_new(void) | |
372 | { | |
373 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
374 | (GDestroyNotify)kventry_free); | |
375 | } | |
376 | ||
377 | static void | |
378 | rrdentry_free(rrdentry_t *entry) | |
379 | { | |
380 | g_return_if_fail(entry != NULL); | |
381 | ||
382 | g_free(entry->key); | |
383 | g_free(entry->data); | |
384 | g_free(entry); | |
385 | } | |
386 | ||
387 | static GHashTable * | |
388 | rrdentry_hash_new(void) | |
389 | { | |
390 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
391 | (GDestroyNotify)rrdentry_free); | |
392 | } | |
393 | ||
394 | void | |
395 | cfs_cluster_log_dump(GString *str, const char *user, guint max_entries) | |
396 | { | |
397 | clusterlog_dump(cfs_status.clusterlog, str, user, max_entries); | |
398 | } | |
399 | ||
400 | void | |
401 | cfs_cluster_log(clog_entry_t *entry) | |
402 | { | |
403 | g_return_if_fail(entry != NULL); | |
404 | ||
405 | clusterlog_insert(cfs_status.clusterlog, entry); | |
406 | ||
407 | if (cfs_status.kvstore) { | |
408 | struct iovec iov[1]; | |
409 | iov[0].iov_base = (char *)entry; | |
410 | iov[0].iov_len = clog_entry_size(entry); | |
411 | ||
af2e9dd4 DM |
412 | if (dfsm_is_initialized(cfs_status.kvstore)) |
413 | dfsm_send_message(cfs_status.kvstore, KVSTORE_MESSAGE_LOG, iov, 1); | |
fe000966 DM |
414 | } |
415 | } | |
416 | ||
417 | void cfs_status_init(void) | |
418 | { | |
89fde9ac | 419 | g_mutex_lock (&mutex); |
fe000966 DM |
420 | |
421 | cfs_status.start_time = time(NULL); | |
422 | ||
423 | cfs_status.vmlist = vmlist_hash_new(); | |
424 | ||
425 | cfs_status.kvhash = kventry_hash_new(); | |
426 | ||
427 | cfs_status.rrdhash = rrdentry_hash_new(); | |
428 | ||
429 | cfs_status.iphash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free); | |
430 | ||
431 | cfs_status.memdb_changes = g_hash_table_new(g_str_hash, g_str_equal); | |
432 | ||
433 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
434 | g_hash_table_replace(cfs_status.memdb_changes, | |
435 | memdb_change_array[i].path, | |
436 | &memdb_change_array[i]); | |
437 | } | |
438 | ||
439 | cfs_status.clusterlog = clusterlog_new(); | |
440 | ||
441 | // fixme: | |
442 | clusterlog_add(cfs_status.clusterlog, "root", "cluster", getpid(), | |
443 | LOG_INFO, "starting cluster log"); | |
444 | ||
89fde9ac | 445 | g_mutex_unlock (&mutex); |
fe000966 DM |
446 | } |
447 | ||
448 | void cfs_status_cleanup(void) | |
449 | { | |
89fde9ac | 450 | g_mutex_lock (&mutex); |
fe000966 DM |
451 | |
452 | cfs_status.clinfo_version++; | |
453 | ||
454 | if (cfs_status.clinfo) { | |
455 | cfs_clinfo_destroy(cfs_status.clinfo); | |
456 | cfs_status.clinfo = NULL; | |
457 | } | |
458 | ||
459 | if (cfs_status.vmlist) { | |
460 | g_hash_table_destroy(cfs_status.vmlist); | |
461 | cfs_status.vmlist = NULL; | |
462 | } | |
463 | ||
464 | if (cfs_status.kvhash) { | |
465 | g_hash_table_destroy(cfs_status.kvhash); | |
466 | cfs_status.kvhash = NULL; | |
467 | } | |
468 | ||
469 | if (cfs_status.rrdhash) { | |
470 | g_hash_table_destroy(cfs_status.rrdhash); | |
471 | cfs_status.rrdhash = NULL; | |
472 | } | |
473 | ||
474 | if (cfs_status.iphash) { | |
475 | g_hash_table_destroy(cfs_status.iphash); | |
476 | cfs_status.iphash = NULL; | |
477 | } | |
478 | ||
479 | if (cfs_status.clusterlog) | |
480 | clusterlog_destroy(cfs_status.clusterlog); | |
481 | ||
89fde9ac | 482 | g_mutex_unlock (&mutex); |
fe000966 DM |
483 | } |
484 | ||
485 | void cfs_status_set_clinfo( | |
486 | cfs_clinfo_t *clinfo) | |
487 | { | |
488 | g_return_if_fail(clinfo != NULL); | |
489 | ||
89fde9ac | 490 | g_mutex_lock (&mutex); |
fe000966 DM |
491 | |
492 | cfs_status.clinfo_version++; | |
493 | ||
494 | cfs_clinfo_t *old = cfs_status.clinfo; | |
495 | ||
496 | cfs_status.clinfo = clinfo; | |
497 | ||
498 | cfs_message("update cluster info (cluster name %s, version = %d)", | |
499 | clinfo->cluster_name, clinfo->cman_version); | |
500 | ||
501 | ||
502 | if (old && old->nodes_byid && clinfo->nodes_byid) { | |
503 | /* copy kvstore */ | |
504 | GHashTable *ht = clinfo->nodes_byid; | |
505 | GHashTableIter iter; | |
506 | gpointer key, value; | |
507 | ||
508 | g_hash_table_iter_init (&iter, ht); | |
509 | ||
510 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
511 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
512 | cfs_clnode_t *oldnode; | |
469d3acb | 513 | if ((oldnode = g_hash_table_lookup(old->nodes_byid, key))) { |
fe000966 DM |
514 | node->online = oldnode->online; |
515 | node->kvhash = oldnode->kvhash; | |
516 | oldnode->kvhash = NULL; | |
517 | } | |
518 | } | |
519 | ||
520 | } | |
521 | ||
522 | if (old) | |
523 | cfs_clinfo_destroy(old); | |
524 | ||
525 | ||
89fde9ac | 526 | g_mutex_unlock (&mutex); |
fe000966 DM |
527 | } |
528 | ||
529 | static void | |
530 | dump_kvstore_versions( | |
531 | GString *str, | |
532 | GHashTable *kvhash, | |
533 | const char *nodename) | |
534 | { | |
535 | g_return_if_fail(kvhash != NULL); | |
536 | g_return_if_fail(str != NULL); | |
537 | g_return_if_fail(nodename != NULL); | |
538 | ||
539 | GHashTable *ht = kvhash; | |
540 | GHashTableIter iter; | |
541 | gpointer key, value; | |
542 | ||
543 | g_string_append_printf(str, "\"%s\": {\n", nodename); | |
544 | ||
545 | g_hash_table_iter_init (&iter, ht); | |
546 | ||
547 | int i = 0; | |
548 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
549 | kventry_t *entry = (kventry_t *)value; | |
550 | if (i) g_string_append_printf(str, ",\n"); | |
551 | i++; | |
552 | g_string_append_printf(str,"\"%s\": %u", entry->key, entry->version); | |
553 | } | |
554 | ||
555 | g_string_append_printf(str, "}\n"); | |
556 | } | |
557 | ||
558 | int | |
559 | cfs_create_version_msg(GString *str) | |
560 | { | |
561 | g_return_val_if_fail(str != NULL, -EINVAL); | |
562 | ||
89fde9ac | 563 | g_mutex_lock (&mutex); |
fe000966 DM |
564 | |
565 | g_string_append_printf(str,"{\n"); | |
566 | ||
567 | g_string_append_printf(str, "\"starttime\": %lu,\n", (unsigned long)cfs_status.start_time); | |
568 | ||
569 | g_string_append_printf(str, "\"clinfo\": %u,\n", cfs_status.clinfo_version); | |
570 | ||
571 | g_string_append_printf(str, "\"vmlist\": %u,\n", cfs_status.vmlist_version); | |
572 | ||
573 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
574 | g_string_append_printf(str, "\"%s\": %u,\n", | |
575 | memdb_change_array[i].path, | |
576 | memdb_change_array[i].version); | |
577 | } | |
578 | ||
579 | g_string_append_printf(str, "\"kvstore\": {\n"); | |
580 | ||
581 | dump_kvstore_versions(str, cfs_status.kvhash, cfs.nodename); | |
582 | ||
583 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
584 | ||
585 | if (clinfo && clinfo->nodes_byid) { | |
586 | GHashTable *ht = clinfo->nodes_byid; | |
587 | GHashTableIter iter; | |
588 | gpointer key, value; | |
589 | ||
590 | g_hash_table_iter_init (&iter, ht); | |
591 | ||
592 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
593 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
594 | if (!node->kvhash) | |
595 | continue; | |
596 | g_string_append_printf(str, ",\n"); | |
597 | dump_kvstore_versions(str, node->kvhash, node->name); | |
598 | } | |
599 | } | |
600 | ||
601 | g_string_append_printf(str,"}\n"); | |
602 | ||
603 | g_string_append_printf(str,"}\n"); | |
604 | ||
89fde9ac | 605 | g_mutex_unlock (&mutex); |
fe000966 DM |
606 | |
607 | return 0; | |
608 | } | |
609 | ||
610 | GHashTable * | |
611 | vmlist_hash_new(void) | |
612 | { | |
613 | return g_hash_table_new_full(g_int_hash, g_int_equal, NULL, | |
614 | (GDestroyNotify)vminfo_free); | |
615 | } | |
616 | ||
617 | gboolean | |
618 | vmlist_hash_insert_vm( | |
619 | GHashTable *vmlist, | |
620 | int vmtype, | |
621 | guint32 vmid, | |
622 | const char *nodename, | |
623 | gboolean replace) | |
624 | { | |
625 | g_return_val_if_fail(vmlist != NULL, FALSE); | |
626 | g_return_val_if_fail(nodename != NULL, FALSE); | |
627 | g_return_val_if_fail(vmid != 0, FALSE); | |
7f66b436 DM |
628 | g_return_val_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
629 | vmtype == VMTYPE_LXC, FALSE); | |
fe000966 DM |
630 | |
631 | if (!replace && g_hash_table_lookup(vmlist, &vmid)) { | |
632 | cfs_critical("detected duplicate VMID %d", vmid); | |
633 | return FALSE; | |
634 | } | |
635 | ||
636 | vminfo_t *vminfo = g_new0(vminfo_t, 1); | |
637 | ||
638 | vminfo->vmid = vmid; | |
639 | vminfo->vmtype = vmtype; | |
640 | vminfo->nodename = g_strdup(nodename); | |
641 | ||
642 | vminfo->version = ++vminfo_version_counter; | |
643 | ||
644 | g_hash_table_replace(vmlist, &vminfo->vmid, vminfo); | |
645 | ||
646 | return TRUE; | |
647 | } | |
648 | ||
649 | void | |
650 | vmlist_register_vm( | |
651 | int vmtype, | |
652 | guint32 vmid, | |
653 | const char *nodename) | |
654 | { | |
655 | g_return_if_fail(cfs_status.vmlist != NULL); | |
656 | g_return_if_fail(nodename != NULL); | |
657 | g_return_if_fail(vmid != 0); | |
7f66b436 DM |
658 | g_return_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
659 | vmtype == VMTYPE_LXC); | |
fe000966 DM |
660 | |
661 | cfs_debug("vmlist_register_vm: %s/%u %d", nodename, vmid, vmtype); | |
662 | ||
89fde9ac | 663 | g_mutex_lock (&mutex); |
fe000966 DM |
664 | |
665 | cfs_status.vmlist_version++; | |
666 | ||
667 | vmlist_hash_insert_vm(cfs_status.vmlist, vmtype, vmid, nodename, TRUE); | |
668 | ||
89fde9ac | 669 | g_mutex_unlock (&mutex); |
fe000966 DM |
670 | } |
671 | ||
672 | gboolean | |
673 | vmlist_different_vm_exists( | |
674 | int vmtype, | |
675 | guint32 vmid, | |
676 | const char *nodename) | |
677 | { | |
678 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
679 | g_return_val_if_fail(vmid != 0, FALSE); | |
680 | ||
681 | gboolean res = FALSE; | |
682 | ||
89fde9ac | 683 | g_mutex_lock (&mutex); |
fe000966 DM |
684 | |
685 | vminfo_t *vminfo; | |
686 | if ((vminfo = (vminfo_t *)g_hash_table_lookup(cfs_status.vmlist, &vmid))) { | |
687 | if (!(vminfo->vmtype == vmtype && strcmp(vminfo->nodename, nodename) == 0)) | |
688 | res = TRUE; | |
689 | } | |
89fde9ac | 690 | g_mutex_unlock (&mutex); |
fe000966 DM |
691 | |
692 | return res; | |
693 | } | |
694 | ||
695 | gboolean | |
696 | vmlist_vm_exists( | |
697 | guint32 vmid) | |
698 | { | |
699 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
700 | g_return_val_if_fail(vmid != 0, FALSE); | |
701 | ||
89fde9ac | 702 | g_mutex_lock (&mutex); |
fe000966 DM |
703 | |
704 | gpointer res = g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
705 | ||
89fde9ac | 706 | g_mutex_unlock (&mutex); |
fe000966 DM |
707 | |
708 | return res != NULL; | |
709 | } | |
710 | ||
711 | void | |
712 | vmlist_delete_vm( | |
713 | guint32 vmid) | |
714 | { | |
715 | g_return_if_fail(cfs_status.vmlist != NULL); | |
716 | g_return_if_fail(vmid != 0); | |
717 | ||
89fde9ac | 718 | g_mutex_lock (&mutex); |
fe000966 DM |
719 | |
720 | cfs_status.vmlist_version++; | |
721 | ||
722 | g_hash_table_remove(cfs_status.vmlist, &vmid); | |
723 | ||
89fde9ac | 724 | g_mutex_unlock (&mutex); |
fe000966 DM |
725 | } |
726 | ||
727 | void cfs_status_set_vmlist( | |
728 | GHashTable *vmlist) | |
729 | { | |
730 | g_return_if_fail(vmlist != NULL); | |
731 | ||
89fde9ac | 732 | g_mutex_lock (&mutex); |
fe000966 DM |
733 | |
734 | cfs_status.vmlist_version++; | |
735 | ||
736 | if (cfs_status.vmlist) | |
737 | g_hash_table_destroy(cfs_status.vmlist); | |
738 | ||
739 | cfs_status.vmlist = vmlist; | |
740 | ||
89fde9ac | 741 | g_mutex_unlock (&mutex); |
fe000966 DM |
742 | } |
743 | ||
744 | int | |
745 | cfs_create_vmlist_msg(GString *str) | |
746 | { | |
747 | g_return_val_if_fail(cfs_status.vmlist != NULL, -EINVAL); | |
748 | g_return_val_if_fail(str != NULL, -EINVAL); | |
749 | ||
89fde9ac | 750 | g_mutex_lock (&mutex); |
fe000966 DM |
751 | |
752 | g_string_append_printf(str,"{\n"); | |
753 | ||
754 | GHashTable *ht = cfs_status.vmlist; | |
755 | ||
756 | guint count = g_hash_table_size(ht); | |
757 | ||
758 | if (!count) { | |
759 | g_string_append_printf(str,"\"version\": %u\n", cfs_status.vmlist_version); | |
760 | } else { | |
761 | g_string_append_printf(str,"\"version\": %u,\n", cfs_status.vmlist_version); | |
762 | ||
763 | g_string_append_printf(str,"\"ids\": {\n"); | |
764 | ||
765 | GHashTableIter iter; | |
766 | gpointer key, value; | |
767 | ||
768 | g_hash_table_iter_init (&iter, ht); | |
769 | ||
770 | int first = 1; | |
771 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
772 | vminfo_t *vminfo = (vminfo_t *)value; | |
c26ca647 | 773 | const char *type = vminfo_type_to_string(vminfo); |
fe000966 DM |
774 | |
775 | if (!first) | |
776 | g_string_append_printf(str, ",\n"); | |
777 | first = 0; | |
778 | ||
779 | g_string_append_printf(str,"\"%u\": { \"node\": \"%s\", \"type\": \"%s\", \"version\": %u }", | |
780 | vminfo->vmid, vminfo->nodename, type, vminfo->version); | |
781 | } | |
782 | ||
783 | g_string_append_printf(str,"}\n"); | |
784 | } | |
785 | g_string_append_printf(str,"\n}\n"); | |
786 | ||
89fde9ac | 787 | g_mutex_unlock (&mutex); |
fe000966 DM |
788 | |
789 | return 0; | |
790 | } | |
791 | ||
cf1b19d9 TL |
792 | // checks the conf for a line starting with '$prop:' and returns the value |
793 | // afterwards, whitout initial whitespace(s), we only deal with the format | |
794 | // restricion imposed by our perl VM config parser, main reference is | |
795 | // PVE::QemuServer::parse_vm_config this allows to be very fast and still | |
796 | // relatively simple | |
797 | // main restrictions used for our advantage is the properties match reges: | |
798 | // ($line =~ m/^([a-z][a-z_]*\d*):\s*(.+?)\s*$/) from parse_vm_config | |
799 | // currently we only look at the current configuration in place, i.e., *no* | |
800 | // snapshort and *no* pending changes | |
801 | static char * | |
802 | _get_property_value(char *conf, const char *prop, int prop_len) | |
803 | { | |
804 | char *line = NULL, *temp = NULL; | |
805 | ||
806 | line = strtok_r(conf, "\n", &temp); | |
807 | while (line != NULL) { | |
808 | if (!line[0]) goto next; | |
809 | ||
810 | // snapshot or pending section start and nothing found yet | |
811 | if (line[0] == '[') return NULL; | |
812 | // properties start with /^[a-z]/, so continue early if not | |
813 | if (line[0] < 'a' || line[0] > 'z') goto next; | |
814 | ||
815 | int line_len = strlen(line); | |
816 | if (line_len <= prop_len + 1) goto next; | |
817 | ||
818 | if (line[prop_len] == ':' && memcmp(line, prop, prop_len) == 0) { // found | |
819 | char *v_start = &line[prop_len + 1]; | |
820 | ||
821 | // drop initial value whitespaces here already | |
822 | while (*v_start && isspace(*v_start)) v_start++; | |
823 | ||
824 | if (!*v_start) return NULL; | |
825 | ||
826 | char *v_end = &line[line_len - 1]; | |
827 | while (v_end > v_start && isspace(*v_end)) v_end--; | |
828 | v_end[1] = '\0'; | |
829 | ||
830 | return v_start; | |
831 | } | |
832 | next: | |
833 | line = strtok_r(NULL, "\n", &temp); | |
834 | } | |
835 | ||
836 | return NULL; // not found | |
837 | } | |
838 | ||
839 | int | |
840 | cfs_create_guest_conf_property_msg(GString *str, memdb_t *memdb, const char *prop, uint32_t vmid) | |
841 | { | |
842 | g_return_val_if_fail(cfs_status.vmlist != NULL, -EINVAL); | |
843 | g_return_val_if_fail(str != NULL, -EINVAL); | |
844 | ||
845 | int prop_len = strlen(prop); | |
846 | int res = 0; | |
847 | GString *path = NULL; | |
848 | ||
849 | g_mutex_lock (&mutex); | |
850 | ||
851 | g_string_printf(str,"{\n"); | |
852 | ||
853 | GHashTable *ht = cfs_status.vmlist; | |
854 | gpointer tmp = NULL; | |
855 | if (!g_hash_table_size(ht)) { | |
856 | goto ret; | |
857 | } | |
858 | ||
859 | path = g_string_new_len(NULL, 256); | |
860 | if (vmid >= 100) { | |
861 | vminfo_t *vminfo = (vminfo_t *) g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
862 | if (vminfo == NULL) goto enoent; | |
863 | ||
864 | if (!vminfo_to_path(vminfo, path)) goto err; | |
865 | ||
866 | int size = memdb_read(memdb, path->str, &tmp); | |
867 | if (tmp == NULL) goto err; | |
868 | if (size <= prop_len) goto ret; | |
869 | ||
870 | char *val = _get_property_value(tmp, prop, prop_len); | |
871 | if (val == NULL) goto ret; | |
872 | ||
873 | g_string_append_printf(str, "\"%u\": { \"%s\": \"%s\"\n }", vmid, prop, val); | |
874 | ||
875 | } else { | |
876 | GHashTableIter iter; | |
877 | g_hash_table_iter_init (&iter, ht); | |
878 | ||
879 | gpointer key, value; | |
880 | int first = 1; | |
881 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
882 | vminfo_t *vminfo = (vminfo_t *)value; | |
883 | ||
884 | if (!vminfo_to_path(vminfo, path)) goto err; | |
885 | ||
886 | g_free(tmp); // no-op if already null | |
887 | tmp = NULL; | |
888 | int size = memdb_read(memdb, path->str, &tmp); | |
889 | if (tmp == NULL || size <= prop_len) continue; | |
890 | ||
891 | char *val = _get_property_value(tmp, prop, prop_len); | |
892 | if (val == NULL) continue; | |
893 | ||
894 | if (!first) g_string_append_printf(str, ",\n"); | |
895 | else first = 0; | |
896 | ||
897 | g_string_append_printf(str, "\"%u\": {\"%s\": \"%s\"}", vminfo->vmid, prop, val); | |
898 | } | |
899 | } | |
900 | ret: | |
901 | g_free(tmp); | |
902 | g_string_free(path, TRUE); | |
903 | g_string_append_printf(str,"\n}\n"); | |
904 | g_mutex_unlock (&mutex); | |
905 | ||
906 | return res; | |
907 | err: | |
908 | res = -EIO; | |
909 | goto ret; | |
910 | enoent: | |
911 | res = -ENOENT; | |
912 | goto ret; | |
913 | } | |
914 | ||
fe000966 DM |
915 | void |
916 | record_memdb_change(const char *path) | |
917 | { | |
918 | g_return_if_fail(cfs_status.memdb_changes != 0); | |
919 | ||
920 | memdb_change_t *ce; | |
921 | ||
922 | if ((ce = (memdb_change_t *)g_hash_table_lookup(cfs_status.memdb_changes, path))) { | |
923 | ce->version++; | |
924 | } | |
925 | } | |
926 | ||
927 | void | |
928 | record_memdb_reload(void) | |
929 | { | |
930 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
931 | memdb_change_array[i].version++; | |
932 | } | |
933 | } | |
934 | ||
935 | static gboolean | |
936 | kventry_hash_set( | |
937 | GHashTable *kvhash, | |
938 | const char *key, | |
939 | gconstpointer data, | |
940 | size_t len) | |
941 | { | |
942 | g_return_val_if_fail(kvhash != NULL, FALSE); | |
943 | g_return_val_if_fail(key != NULL, FALSE); | |
944 | g_return_val_if_fail(data != NULL, FALSE); | |
945 | ||
946 | kventry_t *entry; | |
71cc17bc DC |
947 | if (!len) { |
948 | g_hash_table_remove(kvhash, key); | |
949 | } else if ((entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
fe000966 DM |
950 | g_free(entry->data); |
951 | entry->data = g_memdup(data, len); | |
952 | entry->len = len; | |
953 | entry->version++; | |
954 | } else { | |
955 | kventry_t *entry = g_new0(kventry_t, 1); | |
956 | ||
957 | entry->key = g_strdup(key); | |
958 | entry->data = g_memdup(data, len); | |
959 | entry->len = len; | |
960 | ||
961 | g_hash_table_replace(kvhash, entry->key, entry); | |
962 | } | |
963 | ||
964 | return TRUE; | |
965 | } | |
966 | ||
967 | static const char *rrd_def_node[] = { | |
968 | "DS:loadavg:GAUGE:120:0:U", | |
969 | "DS:maxcpu:GAUGE:120:0:U", | |
970 | "DS:cpu:GAUGE:120:0:U", | |
971 | "DS:iowait:GAUGE:120:0:U", | |
972 | "DS:memtotal:GAUGE:120:0:U", | |
973 | "DS:memused:GAUGE:120:0:U", | |
974 | "DS:swaptotal:GAUGE:120:0:U", | |
975 | "DS:swapused:GAUGE:120:0:U", | |
976 | "DS:roottotal:GAUGE:120:0:U", | |
977 | "DS:rootused:GAUGE:120:0:U", | |
764296f1 DM |
978 | "DS:netin:DERIVE:120:0:U", |
979 | "DS:netout:DERIVE:120:0:U", | |
fe000966 DM |
980 | |
981 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
982 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
983 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
984 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
985 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
986 | ||
987 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
988 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
989 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
990 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
991 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
992 | NULL, | |
993 | }; | |
994 | ||
995 | static const char *rrd_def_vm[] = { | |
996 | "DS:maxcpu:GAUGE:120:0:U", | |
997 | "DS:cpu:GAUGE:120:0:U", | |
998 | "DS:maxmem:GAUGE:120:0:U", | |
999 | "DS:mem:GAUGE:120:0:U", | |
1000 | "DS:maxdisk:GAUGE:120:0:U", | |
1001 | "DS:disk:GAUGE:120:0:U", | |
764296f1 DM |
1002 | "DS:netin:DERIVE:120:0:U", |
1003 | "DS:netout:DERIVE:120:0:U", | |
1004 | "DS:diskread:DERIVE:120:0:U", | |
1005 | "DS:diskwrite:DERIVE:120:0:U", | |
fe000966 DM |
1006 | |
1007 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1008 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1009 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1010 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1011 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1012 | ||
1013 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1014 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1015 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1016 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1017 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1018 | NULL, | |
1019 | }; | |
1020 | ||
1021 | static const char *rrd_def_storage[] = { | |
1022 | "DS:total:GAUGE:120:0:U", | |
1023 | "DS:used:GAUGE:120:0:U", | |
1024 | ||
1025 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1026 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1027 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1028 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1029 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1030 | ||
1031 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1032 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1033 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1034 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1035 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1036 | NULL, | |
1037 | }; | |
1038 | ||
1039 | #define RRDDIR "/var/lib/rrdcached/db" | |
1040 | ||
1041 | static void | |
1042 | create_rrd_file( | |
1043 | const char *filename, | |
1044 | int argcount, | |
1045 | const char *rrddef[]) | |
1046 | { | |
1047 | /* start at day boundary */ | |
1048 | time_t ctime; | |
1049 | time(&ctime); | |
1050 | struct tm *ltm = localtime(&ctime); | |
1051 | ltm->tm_sec = 0; | |
1052 | ltm->tm_min = 0; | |
1053 | ltm->tm_hour = 0; | |
1054 | ||
1055 | rrd_clear_error(); | |
1056 | if (rrd_create_r(filename, 60, timelocal(ltm), argcount, rrddef)) { | |
1057 | cfs_message("RRD create error %s: %s", filename, rrd_get_error()); | |
1058 | } | |
1059 | } | |
1060 | ||
1061 | static inline const char * | |
1062 | rrd_skip_data( | |
1063 | const char *data, | |
1064 | int count) | |
1065 | { | |
1066 | int found = 0; | |
1067 | while (*data && found < count) { | |
1068 | if (*data++ == ':') | |
1069 | found++; | |
1070 | } | |
1071 | return data; | |
1072 | } | |
1073 | ||
1074 | static void | |
1075 | update_rrd_data( | |
1076 | const char *key, | |
1077 | gconstpointer data, | |
1078 | size_t len) | |
1079 | { | |
1080 | g_return_if_fail(key != NULL); | |
1081 | g_return_if_fail(data != NULL); | |
1082 | g_return_if_fail(len > 0); | |
1083 | g_return_if_fail(len < 4096); | |
1084 | ||
1085 | static const char *rrdcsock = "unix:/var/run/rrdcached.sock"; | |
1086 | ||
1087 | int use_daemon = 1; | |
1088 | if (rrdc_connect(rrdcsock) != 0) | |
1089 | use_daemon = 0; | |
1090 | ||
ba9dcfc1 | 1091 | char *filename = NULL; |
fe000966 DM |
1092 | |
1093 | int skip = 0; | |
1094 | ||
1095 | if (strncmp(key, "pve2-node/", 10) == 0) { | |
1096 | const char *node = key + 10; | |
1097 | ||
f9c865a8 | 1098 | skip = 2; |
fe000966 DM |
1099 | |
1100 | if (strchr(node, '/') != NULL) | |
1101 | goto keyerror; | |
1102 | ||
1103 | if (strlen(node) < 1) | |
1104 | goto keyerror; | |
1105 | ||
ba9dcfc1 DM |
1106 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1107 | ||
fe000966 DM |
1108 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1109 | ||
1110 | mkdir(RRDDIR "/pve2-node", 0755); | |
1111 | int argcount = sizeof(rrd_def_node)/sizeof(void*) - 1; | |
1112 | create_rrd_file(filename, argcount, rrd_def_node); | |
1113 | } | |
1114 | ||
ba9dcfc1 DM |
1115 | } else if ((strncmp(key, "pve2-vm/", 8) == 0) || |
1116 | (strncmp(key, "pve2.3-vm/", 10) == 0)) { | |
1117 | const char *vmid; | |
fe000966 | 1118 | |
ba9dcfc1 DM |
1119 | if (strncmp(key, "pve2-vm/", 8) == 0) { |
1120 | vmid = key + 8; | |
1121 | skip = 2; | |
1122 | } else { | |
1123 | vmid = key + 10; | |
94e4cba3 | 1124 | skip = 4; |
ba9dcfc1 | 1125 | } |
fe000966 DM |
1126 | |
1127 | if (strchr(vmid, '/') != NULL) | |
1128 | goto keyerror; | |
1129 | ||
1130 | if (strlen(vmid) < 1) | |
1131 | goto keyerror; | |
1132 | ||
ba9dcfc1 DM |
1133 | filename = g_strdup_printf(RRDDIR "/%s/%s", "pve2-vm", vmid); |
1134 | ||
fe000966 DM |
1135 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1136 | ||
1137 | mkdir(RRDDIR "/pve2-vm", 0755); | |
1138 | int argcount = sizeof(rrd_def_vm)/sizeof(void*) - 1; | |
1139 | create_rrd_file(filename, argcount, rrd_def_vm); | |
1140 | } | |
1141 | ||
1142 | } else if (strncmp(key, "pve2-storage/", 13) == 0) { | |
1143 | const char *node = key + 13; | |
1144 | ||
1145 | const char *storage = node; | |
1146 | while (*storage && *storage != '/') | |
1147 | storage++; | |
1148 | ||
1149 | if (*storage != '/' || ((storage - node) < 1)) | |
1150 | goto keyerror; | |
1151 | ||
1152 | storage++; | |
1153 | ||
1154 | if (strchr(storage, '/') != NULL) | |
1155 | goto keyerror; | |
1156 | ||
1157 | if (strlen(storage) < 1) | |
1158 | goto keyerror; | |
1159 | ||
ba9dcfc1 DM |
1160 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1161 | ||
fe000966 DM |
1162 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1163 | ||
1164 | mkdir(RRDDIR "/pve2-storage", 0755); | |
1165 | ||
1166 | char *dir = g_path_get_dirname(filename); | |
1167 | mkdir(dir, 0755); | |
1168 | g_free(dir); | |
1169 | ||
1170 | int argcount = sizeof(rrd_def_storage)/sizeof(void*) - 1; | |
1171 | create_rrd_file(filename, argcount, rrd_def_storage); | |
1172 | } | |
1173 | ||
1174 | } else { | |
1175 | goto keyerror; | |
1176 | } | |
1177 | ||
1178 | const char *dp = skip ? rrd_skip_data(data, skip) : data; | |
1179 | ||
1180 | const char *update_args[] = { dp, NULL }; | |
1181 | ||
1182 | if (use_daemon) { | |
1183 | int status; | |
1184 | if ((status = rrdc_update(filename, 1, update_args)) != 0) { | |
1185 | cfs_message("RRDC update error %s: %d", filename, status); | |
1186 | rrdc_disconnect(); | |
1187 | rrd_clear_error(); | |
1188 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1189 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1190 | } | |
1191 | } | |
1192 | ||
1193 | } else { | |
1194 | rrd_clear_error(); | |
1195 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1196 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1197 | } | |
1198 | } | |
1199 | ||
1200 | ret: | |
ba9dcfc1 DM |
1201 | if (filename) |
1202 | g_free(filename); | |
1203 | ||
fe000966 DM |
1204 | return; |
1205 | ||
1206 | keyerror: | |
1207 | cfs_critical("RRD update error: unknown/wrong key %s", key); | |
1208 | goto ret; | |
1209 | } | |
1210 | ||
1211 | static gboolean | |
1212 | rrd_entry_is_old( | |
1213 | gpointer key, | |
1214 | gpointer value, | |
1215 | gpointer user_data) | |
1216 | { | |
1217 | rrdentry_t *entry = (rrdentry_t *)value; | |
1218 | uint32_t ctime = GPOINTER_TO_UINT(user_data); | |
1219 | ||
1220 | int diff = ctime - entry->time; | |
1221 | ||
1222 | /* remove everything older than 5 minutes */ | |
1223 | int expire = 60*5; | |
1224 | ||
1225 | return (diff > expire) ? TRUE : FALSE; | |
1226 | } | |
1227 | ||
1228 | static char *rrd_dump_buf = NULL; | |
1229 | static time_t rrd_dump_last = 0; | |
1230 | ||
1231 | void | |
1232 | cfs_rrd_dump(GString *str) | |
1233 | { | |
1234 | time_t ctime; | |
fe000966 | 1235 | |
663896cf TL |
1236 | g_mutex_lock (&mutex); |
1237 | ||
1238 | time(&ctime); | |
fe000966 DM |
1239 | if (rrd_dump_buf && (ctime - rrd_dump_last) < 2) { |
1240 | g_string_assign(str, rrd_dump_buf); | |
663896cf | 1241 | g_mutex_unlock (&mutex); |
fe000966 DM |
1242 | return; |
1243 | } | |
1244 | ||
1245 | /* remove old data */ | |
1246 | g_hash_table_foreach_remove(cfs_status.rrdhash, rrd_entry_is_old, | |
1247 | GUINT_TO_POINTER(ctime)); | |
1248 | ||
1249 | g_string_set_size(str, 0); | |
1250 | ||
1251 | GHashTableIter iter; | |
1252 | gpointer key, value; | |
1253 | ||
1254 | g_hash_table_iter_init (&iter, cfs_status.rrdhash); | |
1255 | ||
1256 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1257 | rrdentry_t *entry = (rrdentry_t *)value; | |
1258 | g_string_append(str, key); | |
1259 | g_string_append(str, ":"); | |
1260 | g_string_append(str, entry->data); | |
1261 | g_string_append(str, "\n"); | |
1262 | } | |
1263 | ||
1264 | g_string_append_c(str, 0); // never return undef | |
1265 | ||
1266 | rrd_dump_last = ctime; | |
1267 | if (rrd_dump_buf) | |
1268 | g_free(rrd_dump_buf); | |
1269 | rrd_dump_buf = g_strdup(str->str); | |
663896cf TL |
1270 | |
1271 | g_mutex_unlock (&mutex); | |
fe000966 DM |
1272 | } |
1273 | ||
1274 | static gboolean | |
1275 | nodeip_hash_set( | |
1276 | GHashTable *iphash, | |
1277 | const char *nodename, | |
1278 | const char *ip, | |
1279 | size_t len) | |
1280 | { | |
1281 | g_return_val_if_fail(iphash != NULL, FALSE); | |
1282 | g_return_val_if_fail(nodename != NULL, FALSE); | |
1283 | g_return_val_if_fail(ip != NULL, FALSE); | |
1284 | g_return_val_if_fail(len > 0, FALSE); | |
1285 | g_return_val_if_fail(len < 256, FALSE); | |
1286 | g_return_val_if_fail(ip[len-1] == 0, FALSE); | |
1287 | ||
1288 | char *oldip = (char *)g_hash_table_lookup(iphash, nodename); | |
1289 | ||
1290 | if (!oldip || (strcmp(oldip, ip) != 0)) { | |
1291 | cfs_status.clinfo_version++; | |
1292 | g_hash_table_replace(iphash, g_strdup(nodename), g_strdup(ip)); | |
1293 | } | |
1294 | ||
1295 | return TRUE; | |
1296 | } | |
1297 | ||
1298 | static gboolean | |
1299 | rrdentry_hash_set( | |
1300 | GHashTable *rrdhash, | |
1301 | const char *key, | |
1302 | const char *data, | |
1303 | size_t len) | |
1304 | { | |
1305 | g_return_val_if_fail(rrdhash != NULL, FALSE); | |
1306 | g_return_val_if_fail(key != NULL, FALSE); | |
1307 | g_return_val_if_fail(data != NULL, FALSE); | |
1308 | g_return_val_if_fail(len > 0, FALSE); | |
1309 | g_return_val_if_fail(len < 4096, FALSE); | |
1310 | g_return_val_if_fail(data[len-1] == 0, FALSE); | |
1311 | ||
1312 | rrdentry_t *entry; | |
1313 | if ((entry = (rrdentry_t *)g_hash_table_lookup(rrdhash, key))) { | |
1314 | g_free(entry->data); | |
1315 | entry->data = g_memdup(data, len); | |
1316 | entry->len = len; | |
1317 | entry->time = time(NULL); | |
1318 | } else { | |
1319 | rrdentry_t *entry = g_new0(rrdentry_t, 1); | |
1320 | ||
1321 | entry->key = g_strdup(key); | |
1322 | entry->data = g_memdup(data, len); | |
1323 | entry->len = len; | |
1324 | entry->time = time(NULL); | |
1325 | ||
1326 | g_hash_table_replace(rrdhash, entry->key, entry); | |
1327 | } | |
1328 | ||
1329 | update_rrd_data(key, data, len); | |
1330 | ||
1331 | return TRUE; | |
1332 | } | |
1333 | ||
1334 | static int | |
1335 | kvstore_send_update_message( | |
1336 | dfsm_t *dfsm, | |
1337 | const char *key, | |
1338 | gpointer data, | |
1339 | guint32 len) | |
1340 | { | |
af2e9dd4 DM |
1341 | if (!dfsm_is_initialized(dfsm)) |
1342 | return -EACCES; | |
fe000966 DM |
1343 | |
1344 | struct iovec iov[2]; | |
1345 | ||
1346 | char name[256]; | |
1347 | g_strlcpy(name, key, sizeof(name)); | |
1348 | ||
1349 | iov[0].iov_base = &name; | |
1350 | iov[0].iov_len = sizeof(name); | |
1351 | ||
1352 | iov[1].iov_base = (char *)data; | |
1353 | iov[1].iov_len = len; | |
1354 | ||
1355 | if (dfsm_send_message(dfsm, KVSTORE_MESSAGE_UPDATE, iov, 2) == CS_OK) | |
1356 | return 0; | |
1357 | ||
1358 | return -EACCES; | |
1359 | } | |
1360 | ||
1361 | static clog_entry_t * | |
1362 | kvstore_parse_log_message( | |
1363 | const void *msg, | |
1364 | size_t msg_len) | |
1365 | { | |
1366 | g_return_val_if_fail(msg != NULL, NULL); | |
1367 | ||
1368 | if (msg_len < sizeof(clog_entry_t)) { | |
e5a5a3ea | 1369 | cfs_critical("received short log message (%zu < %zu)", msg_len, sizeof(clog_entry_t)); |
fe000966 DM |
1370 | return NULL; |
1371 | } | |
1372 | ||
1373 | clog_entry_t *entry = (clog_entry_t *)msg; | |
1374 | ||
1375 | uint32_t size = sizeof(clog_entry_t) + entry->node_len + | |
1376 | entry->ident_len + entry->tag_len + entry->msg_len; | |
1377 | ||
1378 | if (msg_len != size) { | |
e5a5a3ea | 1379 | cfs_critical("received log message with wrong size (%zu != %u)", msg_len, size); |
fe000966 DM |
1380 | return NULL; |
1381 | } | |
1382 | ||
1383 | msg = entry->data; | |
1384 | ||
1385 | if (*((char *)msg + entry->node_len - 1)) { | |
1386 | cfs_critical("unterminated string in log message"); | |
1387 | return NULL; | |
1388 | } | |
1389 | msg += entry->node_len; | |
1390 | ||
1391 | if (*((char *)msg + entry->ident_len - 1)) { | |
1392 | cfs_critical("unterminated string in log message"); | |
1393 | return NULL; | |
1394 | } | |
1395 | msg += entry->ident_len; | |
1396 | ||
1397 | if (*((char *)msg + entry->tag_len - 1)) { | |
1398 | cfs_critical("unterminated string in log message"); | |
1399 | return NULL; | |
1400 | } | |
1401 | msg += entry->tag_len; | |
1402 | ||
1403 | if (*((char *)msg + entry->msg_len - 1)) { | |
1404 | cfs_critical("unterminated string in log message"); | |
1405 | return NULL; | |
1406 | } | |
1407 | ||
1408 | return entry; | |
1409 | } | |
1410 | ||
1411 | static gboolean | |
1412 | kvstore_parse_update_message( | |
1413 | const void *msg, | |
1414 | size_t msg_len, | |
1415 | const char **key, | |
1416 | gconstpointer *data, | |
1417 | guint32 *len) | |
1418 | { | |
1419 | g_return_val_if_fail(msg != NULL, FALSE); | |
1420 | g_return_val_if_fail(key != NULL, FALSE); | |
1421 | g_return_val_if_fail(data != NULL, FALSE); | |
1422 | g_return_val_if_fail(len != NULL, FALSE); | |
1423 | ||
1424 | if (msg_len < 256) { | |
e5a5a3ea | 1425 | cfs_critical("received short kvstore message (%zu < 256)", msg_len); |
fe000966 DM |
1426 | return FALSE; |
1427 | } | |
1428 | ||
1429 | /* test if key is null terminated */ | |
1430 | int i = 0; | |
1431 | for (i = 0; i < 256; i++) | |
1432 | if (((char *)msg)[i] == 0) | |
1433 | break; | |
1434 | ||
1435 | if (i == 256) | |
1436 | return FALSE; | |
1437 | ||
1438 | ||
1439 | *len = msg_len - 256; | |
1440 | *key = msg; | |
1441 | *data = msg + 256; | |
1442 | ||
1443 | return TRUE; | |
1444 | } | |
1445 | ||
1446 | int | |
1447 | cfs_create_status_msg( | |
1448 | GString *str, | |
1449 | const char *nodename, | |
1450 | const char *key) | |
1451 | { | |
1452 | g_return_val_if_fail(str != NULL, -EINVAL); | |
1453 | g_return_val_if_fail(key != NULL, -EINVAL); | |
1454 | ||
1455 | int res = -ENOENT; | |
1456 | ||
1457 | GHashTable *kvhash = NULL; | |
1458 | ||
89fde9ac | 1459 | g_mutex_lock (&mutex); |
fe000966 DM |
1460 | |
1461 | if (!nodename || !nodename[0] || !strcmp(nodename, cfs.nodename)) { | |
1462 | kvhash = cfs_status.kvhash; | |
043bbd8f | 1463 | } else if (cfs_status.clinfo && cfs_status.clinfo->nodes_byname) { |
fe000966 DM |
1464 | cfs_clnode_t *clnode; |
1465 | if ((clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byname, nodename))) | |
1466 | kvhash = clnode->kvhash; | |
1467 | } | |
1468 | ||
1469 | kventry_t *entry; | |
1470 | if (kvhash && (entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
1471 | g_string_append_len(str, entry->data, entry->len); | |
1472 | res = 0; | |
1473 | } | |
1474 | ||
89fde9ac | 1475 | g_mutex_unlock (&mutex); |
fe000966 DM |
1476 | |
1477 | return res; | |
1478 | } | |
1479 | ||
1480 | int | |
1481 | cfs_status_set( | |
1482 | const char *key, | |
1483 | gpointer data, | |
1484 | size_t len) | |
1485 | { | |
1486 | g_return_val_if_fail(key != NULL, FALSE); | |
1487 | g_return_val_if_fail(data != NULL, FALSE); | |
1488 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1489 | ||
1490 | if (len > CFS_MAX_STATUS_SIZE) | |
1491 | return -EFBIG; | |
1492 | ||
89fde9ac | 1493 | g_mutex_lock (&mutex); |
fe000966 DM |
1494 | |
1495 | gboolean res; | |
1496 | ||
1497 | if (strncmp(key, "rrd/", 4) == 0) { | |
1498 | res = rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1499 | } else if (!strcmp(key, "nodeip")) { | |
1500 | res = nodeip_hash_set(cfs_status.iphash, cfs.nodename, data, len); | |
1501 | } else { | |
1502 | res = kventry_hash_set(cfs_status.kvhash, key, data, len); | |
1503 | } | |
89fde9ac | 1504 | g_mutex_unlock (&mutex); |
fe000966 DM |
1505 | |
1506 | if (cfs_status.kvstore) | |
1507 | kvstore_send_update_message(cfs_status.kvstore, key, data, len); | |
1508 | ||
1509 | return res ? 0 : -ENOMEM; | |
1510 | } | |
1511 | ||
1512 | gboolean | |
1513 | cfs_kvstore_node_set( | |
1514 | uint32_t nodeid, | |
1515 | const char *key, | |
1516 | gconstpointer data, | |
1517 | size_t len) | |
1518 | { | |
1519 | g_return_val_if_fail(nodeid != 0, FALSE); | |
1520 | g_return_val_if_fail(key != NULL, FALSE); | |
1521 | g_return_val_if_fail(data != NULL, FALSE); | |
1522 | ||
89fde9ac | 1523 | g_mutex_lock (&mutex); |
fe000966 DM |
1524 | |
1525 | if (!cfs_status.clinfo || !cfs_status.clinfo->nodes_byid) | |
1526 | goto ret; /* ignore */ | |
1527 | ||
1528 | cfs_clnode_t *clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byid, &nodeid); | |
1529 | if (!clnode) | |
1530 | goto ret; /* ignore */ | |
1531 | ||
1532 | cfs_debug("got node %d status update %s", nodeid, key); | |
1533 | ||
1534 | if (strncmp(key, "rrd/", 4) == 0) { | |
1535 | rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1536 | } else if (!strcmp(key, "nodeip")) { | |
1537 | nodeip_hash_set(cfs_status.iphash, clnode->name, data, len); | |
1538 | } else { | |
1539 | if (!clnode->kvhash) { | |
1540 | if (!(clnode->kvhash = kventry_hash_new())) { | |
1541 | goto ret; /*ignore */ | |
1542 | } | |
1543 | } | |
1544 | ||
1545 | kventry_hash_set(clnode->kvhash, key, data, len); | |
1546 | ||
1547 | } | |
1548 | ret: | |
89fde9ac | 1549 | g_mutex_unlock (&mutex); |
fe000966 DM |
1550 | |
1551 | return TRUE; | |
1552 | } | |
1553 | ||
1554 | static gboolean | |
1555 | cfs_kvstore_sync(void) | |
1556 | { | |
1557 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1558 | g_return_val_if_fail(cfs_status.kvstore != NULL, FALSE); | |
1559 | ||
1560 | gboolean res = TRUE; | |
1561 | ||
89fde9ac | 1562 | g_mutex_lock (&mutex); |
fe000966 DM |
1563 | |
1564 | GHashTable *ht = cfs_status.kvhash; | |
1565 | GHashTableIter iter; | |
1566 | gpointer key, value; | |
1567 | ||
1568 | g_hash_table_iter_init (&iter, ht); | |
1569 | ||
1570 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1571 | kventry_t *entry = (kventry_t *)value; | |
1572 | kvstore_send_update_message(cfs_status.kvstore, entry->key, entry->data, entry->len); | |
1573 | } | |
1574 | ||
89fde9ac | 1575 | g_mutex_unlock (&mutex); |
fe000966 DM |
1576 | |
1577 | return res; | |
1578 | } | |
1579 | ||
1580 | static int | |
1581 | dfsm_deliver( | |
1582 | dfsm_t *dfsm, | |
1583 | gpointer data, | |
1584 | int *res_ptr, | |
1585 | uint32_t nodeid, | |
1586 | uint32_t pid, | |
1587 | uint16_t msg_type, | |
1588 | uint32_t msg_time, | |
1589 | const void *msg, | |
1590 | size_t msg_len) | |
1591 | { | |
1592 | g_return_val_if_fail(dfsm != NULL, -1); | |
1593 | g_return_val_if_fail(msg != NULL, -1); | |
1594 | g_return_val_if_fail(res_ptr != NULL, -1); | |
1595 | ||
1596 | /* ignore message for ourself */ | |
1597 | if (dfsm_nodeid_is_local(dfsm, nodeid, pid)) | |
1598 | goto ret; | |
1599 | ||
1600 | if (msg_type == KVSTORE_MESSAGE_UPDATE) { | |
1601 | const char *key; | |
1602 | gconstpointer data; | |
1603 | guint32 len; | |
1604 | if (kvstore_parse_update_message(msg, msg_len, &key, &data, &len)) { | |
1605 | cfs_kvstore_node_set(nodeid, key, data, len); | |
1606 | } else { | |
1607 | cfs_critical("cant parse update message"); | |
1608 | } | |
1609 | } else if (msg_type == KVSTORE_MESSAGE_LOG) { | |
1610 | cfs_message("received log"); // fixme: remove | |
1611 | const clog_entry_t *entry; | |
1612 | if ((entry = kvstore_parse_log_message(msg, msg_len))) { | |
1613 | clusterlog_insert(cfs_status.clusterlog, entry); | |
1614 | } else { | |
1615 | cfs_critical("cant parse log message"); | |
1616 | } | |
1617 | } else { | |
1618 | cfs_critical("received unknown message type %d\n", msg_type); | |
1619 | goto fail; | |
1620 | } | |
1621 | ||
1622 | ret: | |
1623 | *res_ptr = 0; | |
1624 | return 1; | |
1625 | ||
1626 | fail: | |
1627 | *res_ptr = -EACCES; | |
1628 | return 1; | |
1629 | } | |
1630 | ||
1631 | static void | |
1632 | dfsm_confchg( | |
1633 | dfsm_t *dfsm, | |
1634 | gpointer data, | |
1635 | const struct cpg_address *member_list, | |
1636 | size_t member_list_entries) | |
1637 | { | |
1638 | g_return_if_fail(dfsm != NULL); | |
1639 | g_return_if_fail(member_list != NULL); | |
1640 | ||
1641 | cfs_debug("enter %s", __func__); | |
1642 | ||
89fde9ac | 1643 | g_mutex_lock (&mutex); |
fe000966 DM |
1644 | |
1645 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
1646 | ||
1647 | if (clinfo && clinfo->nodes_byid) { | |
1648 | ||
1649 | GHashTable *ht = clinfo->nodes_byid; | |
1650 | GHashTableIter iter; | |
1651 | gpointer key, value; | |
1652 | ||
1653 | g_hash_table_iter_init (&iter, ht); | |
1654 | ||
1655 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1656 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
1657 | node->online = FALSE; | |
1658 | } | |
1659 | ||
1660 | for (int i = 0; i < member_list_entries; i++) { | |
1661 | cfs_clnode_t *node; | |
1662 | if ((node = g_hash_table_lookup(clinfo->nodes_byid, &member_list[i].nodeid))) { | |
1663 | node->online = TRUE; | |
1664 | } | |
1665 | } | |
1666 | ||
1667 | cfs_status.clinfo_version++; | |
1668 | } | |
1669 | ||
89fde9ac | 1670 | g_mutex_unlock (&mutex); |
fe000966 DM |
1671 | } |
1672 | ||
1673 | static gpointer | |
1674 | dfsm_get_state( | |
1675 | dfsm_t *dfsm, | |
1676 | gpointer data, | |
1677 | unsigned int *res_len) | |
1678 | { | |
1679 | g_return_val_if_fail(dfsm != NULL, NULL); | |
1680 | ||
1681 | gpointer msg = clusterlog_get_state(cfs_status.clusterlog, res_len); | |
1682 | ||
1683 | return msg; | |
1684 | } | |
1685 | ||
1686 | static int | |
1687 | dfsm_process_update( | |
1688 | dfsm_t *dfsm, | |
1689 | gpointer data, | |
1690 | dfsm_sync_info_t *syncinfo, | |
1691 | uint32_t nodeid, | |
1692 | uint32_t pid, | |
1693 | const void *msg, | |
1694 | size_t msg_len) | |
1695 | { | |
1696 | cfs_critical("%s: received unexpected update message", __func__); | |
1697 | ||
1698 | return -1; | |
1699 | } | |
1700 | ||
1701 | static int | |
1702 | dfsm_process_state_update( | |
1703 | dfsm_t *dfsm, | |
1704 | gpointer data, | |
1705 | dfsm_sync_info_t *syncinfo) | |
1706 | { | |
1707 | g_return_val_if_fail(dfsm != NULL, -1); | |
1708 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1709 | ||
1710 | clog_base_t *clog[syncinfo->node_count]; | |
1711 | ||
1712 | int local_index = -1; | |
1713 | for (int i = 0; i < syncinfo->node_count; i++) { | |
1714 | dfsm_node_info_t *ni = &syncinfo->nodes[i]; | |
1715 | ni->synced = 1; | |
1716 | ||
1717 | if (syncinfo->local == ni) | |
1718 | local_index = i; | |
1719 | ||
1720 | clog_base_t *base = (clog_base_t *)ni->state; | |
1721 | if (ni->state_len > 8 && ni->state_len == clog_size(base)) { | |
1722 | clog[i] = ni->state; | |
1723 | } else { | |
1724 | cfs_critical("received log with wrong size %u", ni->state_len); | |
1725 | clog[i] = NULL; | |
1726 | } | |
1727 | } | |
1728 | ||
1729 | if (!clusterlog_merge(cfs_status.clusterlog, clog, syncinfo->node_count, local_index)) { | |
1730 | cfs_critical("unable to merge log files"); | |
1731 | } | |
1732 | ||
1733 | cfs_kvstore_sync(); | |
1734 | ||
1735 | return 1; | |
1736 | } | |
1737 | ||
1738 | static int | |
1739 | dfsm_commit( | |
1740 | dfsm_t *dfsm, | |
1741 | gpointer data, | |
1742 | dfsm_sync_info_t *syncinfo) | |
1743 | { | |
1744 | g_return_val_if_fail(dfsm != NULL, -1); | |
1745 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1746 | ||
1747 | return 1; | |
1748 | } | |
1749 | ||
1750 | static void | |
1751 | dfsm_synced(dfsm_t *dfsm) | |
1752 | { | |
1753 | g_return_if_fail(dfsm != NULL); | |
1754 | ||
1755 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, cfs.nodename); | |
1756 | if (!ip) | |
1757 | ip = cfs.ip; | |
1758 | ||
1759 | cfs_status_set("nodeip", ip, strlen(ip) + 1); | |
1760 | } | |
1761 | ||
1762 | static int | |
1763 | dfsm_cleanup( | |
1764 | dfsm_t *dfsm, | |
1765 | gpointer data, | |
1766 | dfsm_sync_info_t *syncinfo) | |
1767 | { | |
1768 | return 1; | |
1769 | } | |
1770 | ||
1771 | static dfsm_callbacks_t kvstore_dfsm_callbacks = { | |
1772 | .dfsm_deliver_fn = dfsm_deliver, | |
1773 | .dfsm_confchg_fn = dfsm_confchg, | |
1774 | ||
1775 | .dfsm_get_state_fn = dfsm_get_state, | |
1776 | .dfsm_process_state_update_fn = dfsm_process_state_update, | |
1777 | .dfsm_process_update_fn = dfsm_process_update, | |
1778 | .dfsm_commit_fn = dfsm_commit, | |
1779 | .dfsm_cleanup_fn = dfsm_cleanup, | |
1780 | .dfsm_synced_fn = dfsm_synced, | |
1781 | }; | |
1782 | ||
1783 | dfsm_t * | |
1784 | cfs_status_dfsm_new(void) | |
1785 | { | |
89fde9ac | 1786 | g_mutex_lock (&mutex); |
fe000966 DM |
1787 | |
1788 | cfs_status.kvstore = dfsm_new(NULL, KVSTORE_CPG_GROUP_NAME, G_LOG_DOMAIN, | |
1789 | 0, &kvstore_dfsm_callbacks); | |
89fde9ac | 1790 | g_mutex_unlock (&mutex); |
fe000966 DM |
1791 | |
1792 | return cfs_status.kvstore; | |
1793 | } | |
1794 | ||
1795 | gboolean | |
1796 | cfs_is_quorate(void) | |
1797 | { | |
89fde9ac | 1798 | g_mutex_lock (&mutex); |
fe000966 | 1799 | gboolean res = cfs_status.quorate; |
89fde9ac | 1800 | g_mutex_unlock (&mutex); |
fe000966 DM |
1801 | |
1802 | return res; | |
1803 | } | |
1804 | ||
1805 | void | |
1806 | cfs_set_quorate( | |
1807 | uint32_t quorate, | |
1808 | gboolean quiet) | |
1809 | { | |
89fde9ac | 1810 | g_mutex_lock (&mutex); |
fe000966 DM |
1811 | |
1812 | uint32_t prev_quorate = cfs_status.quorate; | |
1813 | cfs_status.quorate = quorate; | |
1814 | ||
1815 | if (!prev_quorate && cfs_status.quorate) { | |
1816 | if (!quiet) | |
1817 | cfs_message("node has quorum"); | |
1818 | } | |
1819 | ||
1820 | if (prev_quorate && !cfs_status.quorate) { | |
1821 | if (!quiet) | |
1822 | cfs_message("node lost quorum"); | |
1823 | } | |
1824 | ||
89fde9ac | 1825 | g_mutex_unlock (&mutex); |
fe000966 | 1826 | } |