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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" }, |
9c2c6bb5 AD |
97 | { .path = "sdn.cfg" }, |
98 | { .path = "sdn.cfg.new" }, | |
fe000966 DM |
99 | }; |
100 | ||
89fde9ac | 101 | static GMutex mutex; |
fe000966 DM |
102 | |
103 | typedef struct { | |
104 | time_t start_time; | |
105 | ||
106 | uint32_t quorate; | |
107 | ||
108 | cfs_clinfo_t *clinfo; | |
109 | uint32_t clinfo_version; | |
110 | ||
111 | GHashTable *vmlist; | |
112 | uint32_t vmlist_version; | |
113 | ||
114 | dfsm_t *kvstore; | |
115 | GHashTable *kvhash; | |
116 | GHashTable *rrdhash; | |
117 | GHashTable *iphash; | |
118 | ||
119 | GHashTable *memdb_changes; | |
120 | ||
121 | clusterlog_t *clusterlog; | |
122 | } cfs_status_t; | |
123 | ||
124 | static cfs_status_t cfs_status; | |
125 | ||
126 | struct cfs_clnode { | |
127 | char *name; | |
128 | uint32_t nodeid; | |
129 | uint32_t votes; | |
130 | gboolean online; | |
131 | GHashTable *kvhash; | |
132 | }; | |
133 | ||
134 | struct cfs_clinfo { | |
135 | char *cluster_name; | |
136 | uint32_t cman_version; | |
137 | ||
138 | GHashTable *nodes_byid; | |
139 | GHashTable *nodes_byname; | |
140 | }; | |
141 | ||
142 | static guint | |
143 | g_int32_hash (gconstpointer v) | |
144 | { | |
145 | return *(const uint32_t *) v; | |
146 | } | |
147 | ||
148 | static gboolean | |
149 | g_int32_equal (gconstpointer v1, | |
150 | gconstpointer v2) | |
151 | { | |
152 | return *((const uint32_t*) v1) == *((const uint32_t*) v2); | |
153 | } | |
154 | ||
155 | static void vminfo_free(vminfo_t *vminfo) | |
156 | { | |
157 | g_return_if_fail(vminfo != NULL); | |
158 | ||
159 | if (vminfo->nodename) | |
160 | g_free(vminfo->nodename); | |
161 | ||
162 | ||
163 | g_free(vminfo); | |
164 | } | |
165 | ||
99abbd31 TL |
166 | static const char *vminfo_type_to_string(vminfo_t *vminfo) |
167 | { | |
168 | if (vminfo->vmtype == VMTYPE_QEMU) { | |
169 | return "qemu"; | |
170 | } else if (vminfo->vmtype == VMTYPE_OPENVZ) { | |
171 | return "openvz"; | |
172 | } else if (vminfo->vmtype == VMTYPE_LXC) { | |
173 | return "lxc"; | |
174 | } else { | |
175 | return "unknown"; | |
176 | } | |
c26ca647 TL |
177 | } |
178 | ||
cf1b19d9 TL |
179 | static const char *vminfo_type_to_path_type(vminfo_t *vminfo) |
180 | { | |
181 | if (vminfo->vmtype == VMTYPE_QEMU) { | |
182 | return "qemu-server"; // special case.. | |
183 | } else { | |
184 | return vminfo_type_to_string(vminfo); | |
185 | } | |
186 | } | |
187 | ||
188 | int vminfo_to_path(vminfo_t *vminfo, GString *path) | |
189 | { | |
190 | g_return_val_if_fail(vminfo != NULL, -1); | |
191 | g_return_val_if_fail(path != NULL, -1); | |
192 | ||
193 | if (!vminfo->nodename) | |
194 | return 0; | |
195 | ||
196 | const char *type = vminfo_type_to_path_type(vminfo); | |
197 | g_string_printf(path, "/nodes/%s/%s/%u.conf", vminfo->nodename, type, vminfo->vmid); | |
198 | ||
199 | return 1; | |
200 | } | |
201 | ||
fe000966 DM |
202 | void cfs_clnode_destroy( |
203 | cfs_clnode_t *clnode) | |
204 | { | |
205 | g_return_if_fail(clnode != NULL); | |
206 | ||
207 | if (clnode->kvhash) | |
208 | g_hash_table_destroy(clnode->kvhash); | |
209 | ||
210 | if (clnode->name) | |
211 | g_free(clnode->name); | |
212 | ||
213 | g_free(clnode); | |
214 | } | |
215 | ||
216 | cfs_clnode_t *cfs_clnode_new( | |
217 | const char *name, | |
218 | uint32_t nodeid, | |
219 | uint32_t votes) | |
220 | { | |
221 | g_return_val_if_fail(name != NULL, NULL); | |
222 | ||
223 | cfs_clnode_t *clnode = g_new0(cfs_clnode_t, 1); | |
224 | if (!clnode) | |
225 | return NULL; | |
226 | ||
227 | clnode->name = g_strdup(name); | |
228 | clnode->nodeid = nodeid; | |
229 | clnode->votes = votes; | |
230 | ||
231 | return clnode; | |
232 | } | |
233 | ||
234 | gboolean cfs_clinfo_destroy( | |
235 | cfs_clinfo_t *clinfo) | |
236 | { | |
237 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
238 | ||
239 | if (clinfo->cluster_name) | |
240 | g_free(clinfo->cluster_name); | |
241 | ||
242 | if (clinfo->nodes_byname) | |
243 | g_hash_table_destroy(clinfo->nodes_byname); | |
244 | ||
245 | if (clinfo->nodes_byid) | |
246 | g_hash_table_destroy(clinfo->nodes_byid); | |
247 | ||
248 | g_free(clinfo); | |
249 | ||
250 | return TRUE; | |
251 | } | |
252 | ||
253 | cfs_clinfo_t *cfs_clinfo_new( | |
254 | const char *cluster_name, | |
255 | uint32_t cman_version) | |
256 | { | |
257 | g_return_val_if_fail(cluster_name != NULL, NULL); | |
258 | ||
259 | cfs_clinfo_t *clinfo = g_new0(cfs_clinfo_t, 1); | |
260 | if (!clinfo) | |
261 | return NULL; | |
262 | ||
263 | clinfo->cluster_name = g_strdup(cluster_name); | |
264 | clinfo->cman_version = cman_version; | |
265 | ||
266 | if (!(clinfo->nodes_byid = g_hash_table_new_full( | |
267 | g_int32_hash, g_int32_equal, NULL, | |
268 | (GDestroyNotify)cfs_clnode_destroy))) | |
269 | goto fail; | |
270 | ||
271 | if (!(clinfo->nodes_byname = g_hash_table_new(g_str_hash, g_str_equal))) | |
272 | goto fail; | |
273 | ||
274 | return clinfo; | |
275 | ||
276 | fail: | |
277 | cfs_clinfo_destroy(clinfo); | |
278 | ||
279 | return NULL; | |
280 | } | |
281 | ||
282 | gboolean cfs_clinfo_add_node( | |
283 | cfs_clinfo_t *clinfo, | |
284 | cfs_clnode_t *clnode) | |
285 | { | |
286 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
287 | g_return_val_if_fail(clnode != NULL, FALSE); | |
288 | ||
289 | g_hash_table_replace(clinfo->nodes_byid, &clnode->nodeid, clnode); | |
290 | g_hash_table_replace(clinfo->nodes_byname, clnode->name, clnode); | |
291 | ||
292 | return TRUE; | |
293 | } | |
294 | ||
295 | int | |
296 | cfs_create_memberlist_msg( | |
297 | GString *str) | |
298 | { | |
299 | g_return_val_if_fail(str != NULL, -EINVAL); | |
300 | ||
89fde9ac | 301 | g_mutex_lock (&mutex); |
fe000966 DM |
302 | |
303 | g_string_append_printf(str,"{\n"); | |
304 | ||
305 | guint nodecount = 0; | |
306 | ||
307 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
308 | ||
309 | if (clinfo && clinfo->nodes_byid) | |
310 | nodecount = g_hash_table_size(clinfo->nodes_byid); | |
311 | ||
312 | if (nodecount) { | |
313 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
314 | g_string_append_printf(str, "\"version\": %u,\n", cfs_status.clinfo_version); | |
315 | ||
316 | g_string_append_printf(str, "\"cluster\": { "); | |
317 | g_string_append_printf(str, "\"name\": \"%s\", \"version\": %d, " | |
318 | "\"nodes\": %d, \"quorate\": %d ", | |
319 | clinfo->cluster_name, clinfo->cman_version, | |
320 | nodecount, cfs_status.quorate); | |
321 | ||
322 | g_string_append_printf(str,"},\n"); | |
323 | g_string_append_printf(str,"\"nodelist\": {\n"); | |
324 | ||
325 | GHashTable *ht = clinfo->nodes_byid; | |
326 | GHashTableIter iter; | |
327 | gpointer key, value; | |
328 | ||
329 | g_hash_table_iter_init (&iter, ht); | |
330 | ||
331 | int i = 0; | |
332 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
333 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
334 | if (i) g_string_append_printf(str, ",\n"); | |
335 | i++; | |
336 | ||
337 | g_string_append_printf(str, " \"%s\": { \"id\": %d, \"online\": %d", | |
338 | node->name, node->nodeid, node->online); | |
339 | ||
340 | ||
341 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, node->name); | |
342 | if (ip) { | |
343 | g_string_append_printf(str, ", \"ip\": \"%s\"", ip); | |
344 | } | |
345 | ||
346 | g_string_append_printf(str, "}"); | |
347 | ||
348 | } | |
349 | g_string_append_printf(str,"\n }\n"); | |
350 | } else { | |
351 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
352 | g_string_append_printf(str, "\"version\": %u\n", cfs_status.clinfo_version); | |
353 | } | |
354 | ||
355 | g_string_append_printf(str,"}\n"); | |
356 | ||
89fde9ac | 357 | g_mutex_unlock (&mutex); |
fe000966 DM |
358 | |
359 | return 0; | |
360 | } | |
361 | ||
362 | static void | |
363 | kventry_free(kventry_t *entry) | |
364 | { | |
365 | g_return_if_fail(entry != NULL); | |
366 | ||
367 | g_free(entry->key); | |
368 | g_free(entry->data); | |
369 | g_free(entry); | |
370 | } | |
371 | ||
372 | static GHashTable * | |
373 | kventry_hash_new(void) | |
374 | { | |
375 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
376 | (GDestroyNotify)kventry_free); | |
377 | } | |
378 | ||
379 | static void | |
380 | rrdentry_free(rrdentry_t *entry) | |
381 | { | |
382 | g_return_if_fail(entry != NULL); | |
383 | ||
384 | g_free(entry->key); | |
385 | g_free(entry->data); | |
386 | g_free(entry); | |
387 | } | |
388 | ||
389 | static GHashTable * | |
390 | rrdentry_hash_new(void) | |
391 | { | |
392 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
393 | (GDestroyNotify)rrdentry_free); | |
394 | } | |
395 | ||
396 | void | |
397 | cfs_cluster_log_dump(GString *str, const char *user, guint max_entries) | |
398 | { | |
399 | clusterlog_dump(cfs_status.clusterlog, str, user, max_entries); | |
400 | } | |
401 | ||
402 | void | |
403 | cfs_cluster_log(clog_entry_t *entry) | |
404 | { | |
405 | g_return_if_fail(entry != NULL); | |
406 | ||
407 | clusterlog_insert(cfs_status.clusterlog, entry); | |
408 | ||
409 | if (cfs_status.kvstore) { | |
410 | struct iovec iov[1]; | |
411 | iov[0].iov_base = (char *)entry; | |
412 | iov[0].iov_len = clog_entry_size(entry); | |
413 | ||
af2e9dd4 DM |
414 | if (dfsm_is_initialized(cfs_status.kvstore)) |
415 | dfsm_send_message(cfs_status.kvstore, KVSTORE_MESSAGE_LOG, iov, 1); | |
fe000966 DM |
416 | } |
417 | } | |
418 | ||
419 | void cfs_status_init(void) | |
420 | { | |
89fde9ac | 421 | g_mutex_lock (&mutex); |
fe000966 DM |
422 | |
423 | cfs_status.start_time = time(NULL); | |
424 | ||
425 | cfs_status.vmlist = vmlist_hash_new(); | |
426 | ||
427 | cfs_status.kvhash = kventry_hash_new(); | |
428 | ||
429 | cfs_status.rrdhash = rrdentry_hash_new(); | |
430 | ||
431 | cfs_status.iphash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free); | |
432 | ||
433 | cfs_status.memdb_changes = g_hash_table_new(g_str_hash, g_str_equal); | |
434 | ||
435 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
436 | g_hash_table_replace(cfs_status.memdb_changes, | |
437 | memdb_change_array[i].path, | |
438 | &memdb_change_array[i]); | |
439 | } | |
440 | ||
441 | cfs_status.clusterlog = clusterlog_new(); | |
442 | ||
443 | // fixme: | |
444 | clusterlog_add(cfs_status.clusterlog, "root", "cluster", getpid(), | |
445 | LOG_INFO, "starting cluster log"); | |
446 | ||
89fde9ac | 447 | g_mutex_unlock (&mutex); |
fe000966 DM |
448 | } |
449 | ||
450 | void cfs_status_cleanup(void) | |
451 | { | |
89fde9ac | 452 | g_mutex_lock (&mutex); |
fe000966 DM |
453 | |
454 | cfs_status.clinfo_version++; | |
455 | ||
456 | if (cfs_status.clinfo) { | |
457 | cfs_clinfo_destroy(cfs_status.clinfo); | |
458 | cfs_status.clinfo = NULL; | |
459 | } | |
460 | ||
461 | if (cfs_status.vmlist) { | |
462 | g_hash_table_destroy(cfs_status.vmlist); | |
463 | cfs_status.vmlist = NULL; | |
464 | } | |
465 | ||
466 | if (cfs_status.kvhash) { | |
467 | g_hash_table_destroy(cfs_status.kvhash); | |
468 | cfs_status.kvhash = NULL; | |
469 | } | |
470 | ||
471 | if (cfs_status.rrdhash) { | |
472 | g_hash_table_destroy(cfs_status.rrdhash); | |
473 | cfs_status.rrdhash = NULL; | |
474 | } | |
475 | ||
476 | if (cfs_status.iphash) { | |
477 | g_hash_table_destroy(cfs_status.iphash); | |
478 | cfs_status.iphash = NULL; | |
479 | } | |
480 | ||
481 | if (cfs_status.clusterlog) | |
482 | clusterlog_destroy(cfs_status.clusterlog); | |
483 | ||
89fde9ac | 484 | g_mutex_unlock (&mutex); |
fe000966 DM |
485 | } |
486 | ||
487 | void cfs_status_set_clinfo( | |
488 | cfs_clinfo_t *clinfo) | |
489 | { | |
490 | g_return_if_fail(clinfo != NULL); | |
491 | ||
89fde9ac | 492 | g_mutex_lock (&mutex); |
fe000966 DM |
493 | |
494 | cfs_status.clinfo_version++; | |
495 | ||
496 | cfs_clinfo_t *old = cfs_status.clinfo; | |
497 | ||
498 | cfs_status.clinfo = clinfo; | |
499 | ||
500 | cfs_message("update cluster info (cluster name %s, version = %d)", | |
501 | clinfo->cluster_name, clinfo->cman_version); | |
502 | ||
503 | ||
504 | if (old && old->nodes_byid && clinfo->nodes_byid) { | |
505 | /* copy kvstore */ | |
506 | GHashTable *ht = clinfo->nodes_byid; | |
507 | GHashTableIter iter; | |
508 | gpointer key, value; | |
509 | ||
510 | g_hash_table_iter_init (&iter, ht); | |
511 | ||
512 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
513 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
514 | cfs_clnode_t *oldnode; | |
469d3acb | 515 | if ((oldnode = g_hash_table_lookup(old->nodes_byid, key))) { |
fe000966 DM |
516 | node->online = oldnode->online; |
517 | node->kvhash = oldnode->kvhash; | |
518 | oldnode->kvhash = NULL; | |
519 | } | |
520 | } | |
521 | ||
522 | } | |
523 | ||
524 | if (old) | |
525 | cfs_clinfo_destroy(old); | |
526 | ||
527 | ||
89fde9ac | 528 | g_mutex_unlock (&mutex); |
fe000966 DM |
529 | } |
530 | ||
531 | static void | |
532 | dump_kvstore_versions( | |
533 | GString *str, | |
534 | GHashTable *kvhash, | |
535 | const char *nodename) | |
536 | { | |
537 | g_return_if_fail(kvhash != NULL); | |
538 | g_return_if_fail(str != NULL); | |
539 | g_return_if_fail(nodename != NULL); | |
540 | ||
541 | GHashTable *ht = kvhash; | |
542 | GHashTableIter iter; | |
543 | gpointer key, value; | |
544 | ||
545 | g_string_append_printf(str, "\"%s\": {\n", nodename); | |
546 | ||
547 | g_hash_table_iter_init (&iter, ht); | |
548 | ||
549 | int i = 0; | |
550 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
551 | kventry_t *entry = (kventry_t *)value; | |
552 | if (i) g_string_append_printf(str, ",\n"); | |
553 | i++; | |
554 | g_string_append_printf(str,"\"%s\": %u", entry->key, entry->version); | |
555 | } | |
556 | ||
557 | g_string_append_printf(str, "}\n"); | |
558 | } | |
559 | ||
560 | int | |
561 | cfs_create_version_msg(GString *str) | |
562 | { | |
563 | g_return_val_if_fail(str != NULL, -EINVAL); | |
564 | ||
89fde9ac | 565 | g_mutex_lock (&mutex); |
fe000966 DM |
566 | |
567 | g_string_append_printf(str,"{\n"); | |
568 | ||
569 | g_string_append_printf(str, "\"starttime\": %lu,\n", (unsigned long)cfs_status.start_time); | |
570 | ||
571 | g_string_append_printf(str, "\"clinfo\": %u,\n", cfs_status.clinfo_version); | |
572 | ||
573 | g_string_append_printf(str, "\"vmlist\": %u,\n", cfs_status.vmlist_version); | |
574 | ||
575 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
576 | g_string_append_printf(str, "\"%s\": %u,\n", | |
577 | memdb_change_array[i].path, | |
578 | memdb_change_array[i].version); | |
579 | } | |
580 | ||
581 | g_string_append_printf(str, "\"kvstore\": {\n"); | |
582 | ||
583 | dump_kvstore_versions(str, cfs_status.kvhash, cfs.nodename); | |
584 | ||
585 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
586 | ||
587 | if (clinfo && clinfo->nodes_byid) { | |
588 | GHashTable *ht = clinfo->nodes_byid; | |
589 | GHashTableIter iter; | |
590 | gpointer key, value; | |
591 | ||
592 | g_hash_table_iter_init (&iter, ht); | |
593 | ||
594 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
595 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
596 | if (!node->kvhash) | |
597 | continue; | |
598 | g_string_append_printf(str, ",\n"); | |
599 | dump_kvstore_versions(str, node->kvhash, node->name); | |
600 | } | |
601 | } | |
602 | ||
603 | g_string_append_printf(str,"}\n"); | |
604 | ||
605 | g_string_append_printf(str,"}\n"); | |
606 | ||
89fde9ac | 607 | g_mutex_unlock (&mutex); |
fe000966 DM |
608 | |
609 | return 0; | |
610 | } | |
611 | ||
612 | GHashTable * | |
613 | vmlist_hash_new(void) | |
614 | { | |
615 | return g_hash_table_new_full(g_int_hash, g_int_equal, NULL, | |
616 | (GDestroyNotify)vminfo_free); | |
617 | } | |
618 | ||
619 | gboolean | |
620 | vmlist_hash_insert_vm( | |
621 | GHashTable *vmlist, | |
622 | int vmtype, | |
623 | guint32 vmid, | |
624 | const char *nodename, | |
625 | gboolean replace) | |
626 | { | |
627 | g_return_val_if_fail(vmlist != NULL, FALSE); | |
628 | g_return_val_if_fail(nodename != NULL, FALSE); | |
629 | g_return_val_if_fail(vmid != 0, FALSE); | |
7f66b436 DM |
630 | g_return_val_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
631 | vmtype == VMTYPE_LXC, FALSE); | |
fe000966 DM |
632 | |
633 | if (!replace && g_hash_table_lookup(vmlist, &vmid)) { | |
634 | cfs_critical("detected duplicate VMID %d", vmid); | |
635 | return FALSE; | |
636 | } | |
637 | ||
638 | vminfo_t *vminfo = g_new0(vminfo_t, 1); | |
639 | ||
640 | vminfo->vmid = vmid; | |
641 | vminfo->vmtype = vmtype; | |
642 | vminfo->nodename = g_strdup(nodename); | |
643 | ||
644 | vminfo->version = ++vminfo_version_counter; | |
645 | ||
646 | g_hash_table_replace(vmlist, &vminfo->vmid, vminfo); | |
647 | ||
648 | return TRUE; | |
649 | } | |
650 | ||
651 | void | |
652 | vmlist_register_vm( | |
653 | int vmtype, | |
654 | guint32 vmid, | |
655 | const char *nodename) | |
656 | { | |
657 | g_return_if_fail(cfs_status.vmlist != NULL); | |
658 | g_return_if_fail(nodename != NULL); | |
659 | g_return_if_fail(vmid != 0); | |
7f66b436 DM |
660 | g_return_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
661 | vmtype == VMTYPE_LXC); | |
fe000966 DM |
662 | |
663 | cfs_debug("vmlist_register_vm: %s/%u %d", nodename, vmid, vmtype); | |
664 | ||
89fde9ac | 665 | g_mutex_lock (&mutex); |
fe000966 DM |
666 | |
667 | cfs_status.vmlist_version++; | |
668 | ||
669 | vmlist_hash_insert_vm(cfs_status.vmlist, vmtype, vmid, nodename, TRUE); | |
670 | ||
89fde9ac | 671 | g_mutex_unlock (&mutex); |
fe000966 DM |
672 | } |
673 | ||
674 | gboolean | |
675 | vmlist_different_vm_exists( | |
676 | int vmtype, | |
677 | guint32 vmid, | |
678 | const char *nodename) | |
679 | { | |
680 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
681 | g_return_val_if_fail(vmid != 0, FALSE); | |
682 | ||
683 | gboolean res = FALSE; | |
684 | ||
89fde9ac | 685 | g_mutex_lock (&mutex); |
fe000966 DM |
686 | |
687 | vminfo_t *vminfo; | |
688 | if ((vminfo = (vminfo_t *)g_hash_table_lookup(cfs_status.vmlist, &vmid))) { | |
689 | if (!(vminfo->vmtype == vmtype && strcmp(vminfo->nodename, nodename) == 0)) | |
690 | res = TRUE; | |
691 | } | |
89fde9ac | 692 | g_mutex_unlock (&mutex); |
fe000966 DM |
693 | |
694 | return res; | |
695 | } | |
696 | ||
697 | gboolean | |
698 | vmlist_vm_exists( | |
699 | guint32 vmid) | |
700 | { | |
701 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
702 | g_return_val_if_fail(vmid != 0, FALSE); | |
703 | ||
89fde9ac | 704 | g_mutex_lock (&mutex); |
fe000966 DM |
705 | |
706 | gpointer res = g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
707 | ||
89fde9ac | 708 | g_mutex_unlock (&mutex); |
fe000966 DM |
709 | |
710 | return res != NULL; | |
711 | } | |
712 | ||
713 | void | |
714 | vmlist_delete_vm( | |
715 | guint32 vmid) | |
716 | { | |
717 | g_return_if_fail(cfs_status.vmlist != NULL); | |
718 | g_return_if_fail(vmid != 0); | |
719 | ||
89fde9ac | 720 | g_mutex_lock (&mutex); |
fe000966 DM |
721 | |
722 | cfs_status.vmlist_version++; | |
723 | ||
724 | g_hash_table_remove(cfs_status.vmlist, &vmid); | |
725 | ||
89fde9ac | 726 | g_mutex_unlock (&mutex); |
fe000966 DM |
727 | } |
728 | ||
729 | void cfs_status_set_vmlist( | |
730 | GHashTable *vmlist) | |
731 | { | |
732 | g_return_if_fail(vmlist != NULL); | |
733 | ||
89fde9ac | 734 | g_mutex_lock (&mutex); |
fe000966 DM |
735 | |
736 | cfs_status.vmlist_version++; | |
737 | ||
738 | if (cfs_status.vmlist) | |
739 | g_hash_table_destroy(cfs_status.vmlist); | |
740 | ||
741 | cfs_status.vmlist = vmlist; | |
742 | ||
89fde9ac | 743 | g_mutex_unlock (&mutex); |
fe000966 DM |
744 | } |
745 | ||
746 | int | |
747 | cfs_create_vmlist_msg(GString *str) | |
748 | { | |
749 | g_return_val_if_fail(cfs_status.vmlist != NULL, -EINVAL); | |
750 | g_return_val_if_fail(str != NULL, -EINVAL); | |
751 | ||
89fde9ac | 752 | g_mutex_lock (&mutex); |
fe000966 DM |
753 | |
754 | g_string_append_printf(str,"{\n"); | |
755 | ||
756 | GHashTable *ht = cfs_status.vmlist; | |
757 | ||
758 | guint count = g_hash_table_size(ht); | |
759 | ||
760 | if (!count) { | |
761 | g_string_append_printf(str,"\"version\": %u\n", cfs_status.vmlist_version); | |
762 | } else { | |
763 | g_string_append_printf(str,"\"version\": %u,\n", cfs_status.vmlist_version); | |
764 | ||
765 | g_string_append_printf(str,"\"ids\": {\n"); | |
766 | ||
767 | GHashTableIter iter; | |
768 | gpointer key, value; | |
769 | ||
770 | g_hash_table_iter_init (&iter, ht); | |
771 | ||
772 | int first = 1; | |
773 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
774 | vminfo_t *vminfo = (vminfo_t *)value; | |
c26ca647 | 775 | const char *type = vminfo_type_to_string(vminfo); |
fe000966 DM |
776 | |
777 | if (!first) | |
778 | g_string_append_printf(str, ",\n"); | |
779 | first = 0; | |
780 | ||
781 | g_string_append_printf(str,"\"%u\": { \"node\": \"%s\", \"type\": \"%s\", \"version\": %u }", | |
782 | vminfo->vmid, vminfo->nodename, type, vminfo->version); | |
783 | } | |
784 | ||
785 | g_string_append_printf(str,"}\n"); | |
786 | } | |
787 | g_string_append_printf(str,"\n}\n"); | |
788 | ||
89fde9ac | 789 | g_mutex_unlock (&mutex); |
fe000966 DM |
790 | |
791 | return 0; | |
792 | } | |
793 | ||
cf1b19d9 TL |
794 | // checks the conf for a line starting with '$prop:' and returns the value |
795 | // afterwards, whitout initial whitespace(s), we only deal with the format | |
796 | // restricion imposed by our perl VM config parser, main reference is | |
797 | // PVE::QemuServer::parse_vm_config this allows to be very fast and still | |
798 | // relatively simple | |
799 | // main restrictions used for our advantage is the properties match reges: | |
800 | // ($line =~ m/^([a-z][a-z_]*\d*):\s*(.+?)\s*$/) from parse_vm_config | |
801 | // currently we only look at the current configuration in place, i.e., *no* | |
802 | // snapshort and *no* pending changes | |
803 | static char * | |
804 | _get_property_value(char *conf, const char *prop, int prop_len) | |
805 | { | |
806 | char *line = NULL, *temp = NULL; | |
807 | ||
808 | line = strtok_r(conf, "\n", &temp); | |
809 | while (line != NULL) { | |
810 | if (!line[0]) goto next; | |
811 | ||
812 | // snapshot or pending section start and nothing found yet | |
813 | if (line[0] == '[') return NULL; | |
814 | // properties start with /^[a-z]/, so continue early if not | |
815 | if (line[0] < 'a' || line[0] > 'z') goto next; | |
816 | ||
817 | int line_len = strlen(line); | |
818 | if (line_len <= prop_len + 1) goto next; | |
819 | ||
820 | if (line[prop_len] == ':' && memcmp(line, prop, prop_len) == 0) { // found | |
821 | char *v_start = &line[prop_len + 1]; | |
822 | ||
823 | // drop initial value whitespaces here already | |
824 | while (*v_start && isspace(*v_start)) v_start++; | |
825 | ||
826 | if (!*v_start) return NULL; | |
827 | ||
828 | char *v_end = &line[line_len - 1]; | |
829 | while (v_end > v_start && isspace(*v_end)) v_end--; | |
830 | v_end[1] = '\0'; | |
831 | ||
832 | return v_start; | |
833 | } | |
834 | next: | |
835 | line = strtok_r(NULL, "\n", &temp); | |
836 | } | |
837 | ||
838 | return NULL; // not found | |
839 | } | |
840 | ||
cb7cea80 TL |
841 | static void |
842 | _g_str_append_kv_jsonescaped(GString *str, const char *k, const char *v) | |
843 | { | |
844 | g_string_append_printf(str, "\"%s\": \"", k); | |
845 | ||
846 | for (; *v; v++) { | |
847 | if (*v == '\\' || *v == '"') { | |
848 | g_string_append_c(str, '\\'); | |
849 | } | |
850 | g_string_append_c(str, *v); | |
851 | } | |
852 | ||
853 | g_string_append_c(str, '"'); | |
854 | } | |
855 | ||
cf1b19d9 TL |
856 | int |
857 | cfs_create_guest_conf_property_msg(GString *str, memdb_t *memdb, const char *prop, uint32_t vmid) | |
858 | { | |
859 | g_return_val_if_fail(cfs_status.vmlist != NULL, -EINVAL); | |
860 | g_return_val_if_fail(str != NULL, -EINVAL); | |
861 | ||
862 | int prop_len = strlen(prop); | |
863 | int res = 0; | |
864 | GString *path = NULL; | |
865 | ||
866 | g_mutex_lock (&mutex); | |
867 | ||
868 | g_string_printf(str,"{\n"); | |
869 | ||
870 | GHashTable *ht = cfs_status.vmlist; | |
871 | gpointer tmp = NULL; | |
872 | if (!g_hash_table_size(ht)) { | |
873 | goto ret; | |
874 | } | |
875 | ||
5b17ee16 | 876 | path = g_string_sized_new(256); |
cf1b19d9 TL |
877 | if (vmid >= 100) { |
878 | vminfo_t *vminfo = (vminfo_t *) g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
879 | if (vminfo == NULL) goto enoent; | |
880 | ||
881 | if (!vminfo_to_path(vminfo, path)) goto err; | |
882 | ||
883 | int size = memdb_read(memdb, path->str, &tmp); | |
884 | if (tmp == NULL) goto err; | |
885 | if (size <= prop_len) goto ret; | |
886 | ||
887 | char *val = _get_property_value(tmp, prop, prop_len); | |
888 | if (val == NULL) goto ret; | |
889 | ||
cb7cea80 TL |
890 | g_string_append_printf(str, "\"%u\":{", vmid); |
891 | _g_str_append_kv_jsonescaped(str, prop, val); | |
892 | g_string_append_c(str, '}'); | |
cf1b19d9 TL |
893 | |
894 | } else { | |
895 | GHashTableIter iter; | |
896 | g_hash_table_iter_init (&iter, ht); | |
897 | ||
898 | gpointer key, value; | |
899 | int first = 1; | |
900 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
901 | vminfo_t *vminfo = (vminfo_t *)value; | |
902 | ||
903 | if (!vminfo_to_path(vminfo, path)) goto err; | |
904 | ||
905 | g_free(tmp); // no-op if already null | |
906 | tmp = NULL; | |
907 | int size = memdb_read(memdb, path->str, &tmp); | |
908 | if (tmp == NULL || size <= prop_len) continue; | |
909 | ||
910 | char *val = _get_property_value(tmp, prop, prop_len); | |
911 | if (val == NULL) continue; | |
912 | ||
913 | if (!first) g_string_append_printf(str, ",\n"); | |
914 | else first = 0; | |
915 | ||
cb7cea80 TL |
916 | g_string_append_printf(str, "\"%u\":{", vminfo->vmid); |
917 | _g_str_append_kv_jsonescaped(str, prop, val); | |
918 | g_string_append_c(str, '}'); | |
cf1b19d9 TL |
919 | } |
920 | } | |
921 | ret: | |
922 | g_free(tmp); | |
3f1c7eb1 TL |
923 | if (path != NULL) { |
924 | g_string_free(path, TRUE); | |
925 | } | |
cf1b19d9 TL |
926 | g_string_append_printf(str,"\n}\n"); |
927 | g_mutex_unlock (&mutex); | |
928 | ||
929 | return res; | |
930 | err: | |
931 | res = -EIO; | |
932 | goto ret; | |
933 | enoent: | |
934 | res = -ENOENT; | |
935 | goto ret; | |
936 | } | |
937 | ||
fe000966 DM |
938 | void |
939 | record_memdb_change(const char *path) | |
940 | { | |
941 | g_return_if_fail(cfs_status.memdb_changes != 0); | |
942 | ||
943 | memdb_change_t *ce; | |
944 | ||
945 | if ((ce = (memdb_change_t *)g_hash_table_lookup(cfs_status.memdb_changes, path))) { | |
946 | ce->version++; | |
947 | } | |
948 | } | |
949 | ||
950 | void | |
951 | record_memdb_reload(void) | |
952 | { | |
953 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
954 | memdb_change_array[i].version++; | |
955 | } | |
956 | } | |
957 | ||
958 | static gboolean | |
959 | kventry_hash_set( | |
960 | GHashTable *kvhash, | |
961 | const char *key, | |
962 | gconstpointer data, | |
963 | size_t len) | |
964 | { | |
965 | g_return_val_if_fail(kvhash != NULL, FALSE); | |
966 | g_return_val_if_fail(key != NULL, FALSE); | |
967 | g_return_val_if_fail(data != NULL, FALSE); | |
968 | ||
969 | kventry_t *entry; | |
71cc17bc DC |
970 | if (!len) { |
971 | g_hash_table_remove(kvhash, key); | |
972 | } else if ((entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
fe000966 DM |
973 | g_free(entry->data); |
974 | entry->data = g_memdup(data, len); | |
975 | entry->len = len; | |
976 | entry->version++; | |
977 | } else { | |
978 | kventry_t *entry = g_new0(kventry_t, 1); | |
979 | ||
980 | entry->key = g_strdup(key); | |
981 | entry->data = g_memdup(data, len); | |
982 | entry->len = len; | |
983 | ||
984 | g_hash_table_replace(kvhash, entry->key, entry); | |
985 | } | |
986 | ||
987 | return TRUE; | |
988 | } | |
989 | ||
990 | static const char *rrd_def_node[] = { | |
991 | "DS:loadavg:GAUGE:120:0:U", | |
992 | "DS:maxcpu:GAUGE:120:0:U", | |
993 | "DS:cpu:GAUGE:120:0:U", | |
994 | "DS:iowait:GAUGE:120:0:U", | |
995 | "DS:memtotal:GAUGE:120:0:U", | |
996 | "DS:memused:GAUGE:120:0:U", | |
997 | "DS:swaptotal:GAUGE:120:0:U", | |
998 | "DS:swapused:GAUGE:120:0:U", | |
999 | "DS:roottotal:GAUGE:120:0:U", | |
1000 | "DS:rootused:GAUGE:120:0:U", | |
764296f1 DM |
1001 | "DS:netin:DERIVE:120:0:U", |
1002 | "DS:netout:DERIVE:120:0:U", | |
fe000966 DM |
1003 | |
1004 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1005 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1006 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1007 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1008 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1009 | ||
1010 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1011 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1012 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1013 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1014 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1015 | NULL, | |
1016 | }; | |
1017 | ||
1018 | static const char *rrd_def_vm[] = { | |
1019 | "DS:maxcpu:GAUGE:120:0:U", | |
1020 | "DS:cpu:GAUGE:120:0:U", | |
1021 | "DS:maxmem:GAUGE:120:0:U", | |
1022 | "DS:mem:GAUGE:120:0:U", | |
1023 | "DS:maxdisk:GAUGE:120:0:U", | |
1024 | "DS:disk:GAUGE:120:0:U", | |
764296f1 DM |
1025 | "DS:netin:DERIVE:120:0:U", |
1026 | "DS:netout:DERIVE:120:0:U", | |
1027 | "DS:diskread:DERIVE:120:0:U", | |
1028 | "DS:diskwrite:DERIVE:120:0:U", | |
fe000966 DM |
1029 | |
1030 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1031 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1032 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1033 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1034 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1035 | ||
1036 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1037 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1038 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1039 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1040 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1041 | NULL, | |
1042 | }; | |
1043 | ||
1044 | static const char *rrd_def_storage[] = { | |
1045 | "DS:total:GAUGE:120:0:U", | |
1046 | "DS:used:GAUGE:120:0:U", | |
1047 | ||
1048 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1049 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1050 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1051 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1052 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1053 | ||
1054 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1055 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1056 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1057 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1058 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1059 | NULL, | |
1060 | }; | |
1061 | ||
1062 | #define RRDDIR "/var/lib/rrdcached/db" | |
1063 | ||
1064 | static void | |
1065 | create_rrd_file( | |
1066 | const char *filename, | |
1067 | int argcount, | |
1068 | const char *rrddef[]) | |
1069 | { | |
1070 | /* start at day boundary */ | |
1071 | time_t ctime; | |
1072 | time(&ctime); | |
1073 | struct tm *ltm = localtime(&ctime); | |
1074 | ltm->tm_sec = 0; | |
1075 | ltm->tm_min = 0; | |
1076 | ltm->tm_hour = 0; | |
1077 | ||
1078 | rrd_clear_error(); | |
1079 | if (rrd_create_r(filename, 60, timelocal(ltm), argcount, rrddef)) { | |
1080 | cfs_message("RRD create error %s: %s", filename, rrd_get_error()); | |
1081 | } | |
1082 | } | |
1083 | ||
1084 | static inline const char * | |
1085 | rrd_skip_data( | |
1086 | const char *data, | |
1087 | int count) | |
1088 | { | |
1089 | int found = 0; | |
1090 | while (*data && found < count) { | |
1091 | if (*data++ == ':') | |
1092 | found++; | |
1093 | } | |
1094 | return data; | |
1095 | } | |
1096 | ||
1097 | static void | |
1098 | update_rrd_data( | |
1099 | const char *key, | |
1100 | gconstpointer data, | |
1101 | size_t len) | |
1102 | { | |
1103 | g_return_if_fail(key != NULL); | |
1104 | g_return_if_fail(data != NULL); | |
1105 | g_return_if_fail(len > 0); | |
1106 | g_return_if_fail(len < 4096); | |
1107 | ||
1108 | static const char *rrdcsock = "unix:/var/run/rrdcached.sock"; | |
1109 | ||
1110 | int use_daemon = 1; | |
1111 | if (rrdc_connect(rrdcsock) != 0) | |
1112 | use_daemon = 0; | |
1113 | ||
ba9dcfc1 | 1114 | char *filename = NULL; |
fe000966 DM |
1115 | |
1116 | int skip = 0; | |
1117 | ||
1118 | if (strncmp(key, "pve2-node/", 10) == 0) { | |
1119 | const char *node = key + 10; | |
1120 | ||
f9c865a8 | 1121 | skip = 2; |
fe000966 DM |
1122 | |
1123 | if (strchr(node, '/') != NULL) | |
1124 | goto keyerror; | |
1125 | ||
1126 | if (strlen(node) < 1) | |
1127 | goto keyerror; | |
1128 | ||
ba9dcfc1 DM |
1129 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1130 | ||
fe000966 DM |
1131 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1132 | ||
1133 | mkdir(RRDDIR "/pve2-node", 0755); | |
1134 | int argcount = sizeof(rrd_def_node)/sizeof(void*) - 1; | |
1135 | create_rrd_file(filename, argcount, rrd_def_node); | |
1136 | } | |
1137 | ||
ba9dcfc1 DM |
1138 | } else if ((strncmp(key, "pve2-vm/", 8) == 0) || |
1139 | (strncmp(key, "pve2.3-vm/", 10) == 0)) { | |
1140 | const char *vmid; | |
fe000966 | 1141 | |
ba9dcfc1 DM |
1142 | if (strncmp(key, "pve2-vm/", 8) == 0) { |
1143 | vmid = key + 8; | |
1144 | skip = 2; | |
1145 | } else { | |
1146 | vmid = key + 10; | |
94e4cba3 | 1147 | skip = 4; |
ba9dcfc1 | 1148 | } |
fe000966 DM |
1149 | |
1150 | if (strchr(vmid, '/') != NULL) | |
1151 | goto keyerror; | |
1152 | ||
1153 | if (strlen(vmid) < 1) | |
1154 | goto keyerror; | |
1155 | ||
ba9dcfc1 DM |
1156 | filename = g_strdup_printf(RRDDIR "/%s/%s", "pve2-vm", vmid); |
1157 | ||
fe000966 DM |
1158 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1159 | ||
1160 | mkdir(RRDDIR "/pve2-vm", 0755); | |
1161 | int argcount = sizeof(rrd_def_vm)/sizeof(void*) - 1; | |
1162 | create_rrd_file(filename, argcount, rrd_def_vm); | |
1163 | } | |
1164 | ||
1165 | } else if (strncmp(key, "pve2-storage/", 13) == 0) { | |
1166 | const char *node = key + 13; | |
1167 | ||
1168 | const char *storage = node; | |
1169 | while (*storage && *storage != '/') | |
1170 | storage++; | |
1171 | ||
1172 | if (*storage != '/' || ((storage - node) < 1)) | |
1173 | goto keyerror; | |
1174 | ||
1175 | storage++; | |
1176 | ||
1177 | if (strchr(storage, '/') != NULL) | |
1178 | goto keyerror; | |
1179 | ||
1180 | if (strlen(storage) < 1) | |
1181 | goto keyerror; | |
1182 | ||
ba9dcfc1 DM |
1183 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1184 | ||
fe000966 DM |
1185 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1186 | ||
1187 | mkdir(RRDDIR "/pve2-storage", 0755); | |
1188 | ||
1189 | char *dir = g_path_get_dirname(filename); | |
1190 | mkdir(dir, 0755); | |
1191 | g_free(dir); | |
1192 | ||
1193 | int argcount = sizeof(rrd_def_storage)/sizeof(void*) - 1; | |
1194 | create_rrd_file(filename, argcount, rrd_def_storage); | |
1195 | } | |
1196 | ||
1197 | } else { | |
1198 | goto keyerror; | |
1199 | } | |
1200 | ||
1201 | const char *dp = skip ? rrd_skip_data(data, skip) : data; | |
1202 | ||
1203 | const char *update_args[] = { dp, NULL }; | |
1204 | ||
1205 | if (use_daemon) { | |
1206 | int status; | |
1207 | if ((status = rrdc_update(filename, 1, update_args)) != 0) { | |
1208 | cfs_message("RRDC update error %s: %d", filename, status); | |
1209 | rrdc_disconnect(); | |
1210 | rrd_clear_error(); | |
1211 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1212 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1213 | } | |
1214 | } | |
1215 | ||
1216 | } else { | |
1217 | rrd_clear_error(); | |
1218 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1219 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1220 | } | |
1221 | } | |
1222 | ||
1223 | ret: | |
ba9dcfc1 DM |
1224 | if (filename) |
1225 | g_free(filename); | |
1226 | ||
fe000966 DM |
1227 | return; |
1228 | ||
1229 | keyerror: | |
1230 | cfs_critical("RRD update error: unknown/wrong key %s", key); | |
1231 | goto ret; | |
1232 | } | |
1233 | ||
1234 | static gboolean | |
1235 | rrd_entry_is_old( | |
1236 | gpointer key, | |
1237 | gpointer value, | |
1238 | gpointer user_data) | |
1239 | { | |
1240 | rrdentry_t *entry = (rrdentry_t *)value; | |
1241 | uint32_t ctime = GPOINTER_TO_UINT(user_data); | |
1242 | ||
1243 | int diff = ctime - entry->time; | |
1244 | ||
1245 | /* remove everything older than 5 minutes */ | |
1246 | int expire = 60*5; | |
1247 | ||
1248 | return (diff > expire) ? TRUE : FALSE; | |
1249 | } | |
1250 | ||
1251 | static char *rrd_dump_buf = NULL; | |
1252 | static time_t rrd_dump_last = 0; | |
1253 | ||
1254 | void | |
1255 | cfs_rrd_dump(GString *str) | |
1256 | { | |
1257 | time_t ctime; | |
fe000966 | 1258 | |
663896cf TL |
1259 | g_mutex_lock (&mutex); |
1260 | ||
1261 | time(&ctime); | |
fe000966 DM |
1262 | if (rrd_dump_buf && (ctime - rrd_dump_last) < 2) { |
1263 | g_string_assign(str, rrd_dump_buf); | |
663896cf | 1264 | g_mutex_unlock (&mutex); |
fe000966 DM |
1265 | return; |
1266 | } | |
1267 | ||
1268 | /* remove old data */ | |
1269 | g_hash_table_foreach_remove(cfs_status.rrdhash, rrd_entry_is_old, | |
1270 | GUINT_TO_POINTER(ctime)); | |
1271 | ||
1272 | g_string_set_size(str, 0); | |
1273 | ||
1274 | GHashTableIter iter; | |
1275 | gpointer key, value; | |
1276 | ||
1277 | g_hash_table_iter_init (&iter, cfs_status.rrdhash); | |
1278 | ||
1279 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1280 | rrdentry_t *entry = (rrdentry_t *)value; | |
1281 | g_string_append(str, key); | |
1282 | g_string_append(str, ":"); | |
1283 | g_string_append(str, entry->data); | |
1284 | g_string_append(str, "\n"); | |
1285 | } | |
1286 | ||
1287 | g_string_append_c(str, 0); // never return undef | |
1288 | ||
1289 | rrd_dump_last = ctime; | |
1290 | if (rrd_dump_buf) | |
1291 | g_free(rrd_dump_buf); | |
1292 | rrd_dump_buf = g_strdup(str->str); | |
663896cf TL |
1293 | |
1294 | g_mutex_unlock (&mutex); | |
fe000966 DM |
1295 | } |
1296 | ||
1297 | static gboolean | |
1298 | nodeip_hash_set( | |
1299 | GHashTable *iphash, | |
1300 | const char *nodename, | |
1301 | const char *ip, | |
1302 | size_t len) | |
1303 | { | |
1304 | g_return_val_if_fail(iphash != NULL, FALSE); | |
1305 | g_return_val_if_fail(nodename != NULL, FALSE); | |
1306 | g_return_val_if_fail(ip != NULL, FALSE); | |
1307 | g_return_val_if_fail(len > 0, FALSE); | |
1308 | g_return_val_if_fail(len < 256, FALSE); | |
1309 | g_return_val_if_fail(ip[len-1] == 0, FALSE); | |
1310 | ||
1311 | char *oldip = (char *)g_hash_table_lookup(iphash, nodename); | |
1312 | ||
1313 | if (!oldip || (strcmp(oldip, ip) != 0)) { | |
1314 | cfs_status.clinfo_version++; | |
1315 | g_hash_table_replace(iphash, g_strdup(nodename), g_strdup(ip)); | |
1316 | } | |
1317 | ||
1318 | return TRUE; | |
1319 | } | |
1320 | ||
1321 | static gboolean | |
1322 | rrdentry_hash_set( | |
1323 | GHashTable *rrdhash, | |
1324 | const char *key, | |
1325 | const char *data, | |
1326 | size_t len) | |
1327 | { | |
1328 | g_return_val_if_fail(rrdhash != NULL, FALSE); | |
1329 | g_return_val_if_fail(key != NULL, FALSE); | |
1330 | g_return_val_if_fail(data != NULL, FALSE); | |
1331 | g_return_val_if_fail(len > 0, FALSE); | |
1332 | g_return_val_if_fail(len < 4096, FALSE); | |
1333 | g_return_val_if_fail(data[len-1] == 0, FALSE); | |
1334 | ||
1335 | rrdentry_t *entry; | |
1336 | if ((entry = (rrdentry_t *)g_hash_table_lookup(rrdhash, key))) { | |
1337 | g_free(entry->data); | |
1338 | entry->data = g_memdup(data, len); | |
1339 | entry->len = len; | |
1340 | entry->time = time(NULL); | |
1341 | } else { | |
1342 | rrdentry_t *entry = g_new0(rrdentry_t, 1); | |
1343 | ||
1344 | entry->key = g_strdup(key); | |
1345 | entry->data = g_memdup(data, len); | |
1346 | entry->len = len; | |
1347 | entry->time = time(NULL); | |
1348 | ||
1349 | g_hash_table_replace(rrdhash, entry->key, entry); | |
1350 | } | |
1351 | ||
1352 | update_rrd_data(key, data, len); | |
1353 | ||
1354 | return TRUE; | |
1355 | } | |
1356 | ||
1357 | static int | |
1358 | kvstore_send_update_message( | |
1359 | dfsm_t *dfsm, | |
1360 | const char *key, | |
1361 | gpointer data, | |
1362 | guint32 len) | |
1363 | { | |
af2e9dd4 DM |
1364 | if (!dfsm_is_initialized(dfsm)) |
1365 | return -EACCES; | |
fe000966 DM |
1366 | |
1367 | struct iovec iov[2]; | |
1368 | ||
1369 | char name[256]; | |
1370 | g_strlcpy(name, key, sizeof(name)); | |
1371 | ||
1372 | iov[0].iov_base = &name; | |
1373 | iov[0].iov_len = sizeof(name); | |
1374 | ||
1375 | iov[1].iov_base = (char *)data; | |
1376 | iov[1].iov_len = len; | |
1377 | ||
1378 | if (dfsm_send_message(dfsm, KVSTORE_MESSAGE_UPDATE, iov, 2) == CS_OK) | |
1379 | return 0; | |
1380 | ||
1381 | return -EACCES; | |
1382 | } | |
1383 | ||
1384 | static clog_entry_t * | |
1385 | kvstore_parse_log_message( | |
1386 | const void *msg, | |
1387 | size_t msg_len) | |
1388 | { | |
1389 | g_return_val_if_fail(msg != NULL, NULL); | |
1390 | ||
1391 | if (msg_len < sizeof(clog_entry_t)) { | |
e5a5a3ea | 1392 | cfs_critical("received short log message (%zu < %zu)", msg_len, sizeof(clog_entry_t)); |
fe000966 DM |
1393 | return NULL; |
1394 | } | |
1395 | ||
1396 | clog_entry_t *entry = (clog_entry_t *)msg; | |
1397 | ||
1398 | uint32_t size = sizeof(clog_entry_t) + entry->node_len + | |
1399 | entry->ident_len + entry->tag_len + entry->msg_len; | |
1400 | ||
1401 | if (msg_len != size) { | |
e5a5a3ea | 1402 | cfs_critical("received log message with wrong size (%zu != %u)", msg_len, size); |
fe000966 DM |
1403 | return NULL; |
1404 | } | |
1405 | ||
ce669d14 | 1406 | char *msgptr = entry->data; |
fe000966 | 1407 | |
ce669d14 | 1408 | if (*((char *)msgptr + entry->node_len - 1)) { |
fe000966 DM |
1409 | cfs_critical("unterminated string in log message"); |
1410 | return NULL; | |
1411 | } | |
ce669d14 | 1412 | msgptr += entry->node_len; |
fe000966 | 1413 | |
ce669d14 | 1414 | if (*((char *)msgptr + entry->ident_len - 1)) { |
fe000966 DM |
1415 | cfs_critical("unterminated string in log message"); |
1416 | return NULL; | |
1417 | } | |
ce669d14 | 1418 | msgptr += entry->ident_len; |
fe000966 | 1419 | |
ce669d14 | 1420 | if (*((char *)msgptr + entry->tag_len - 1)) { |
fe000966 DM |
1421 | cfs_critical("unterminated string in log message"); |
1422 | return NULL; | |
1423 | } | |
ce669d14 | 1424 | msgptr += entry->tag_len; |
fe000966 | 1425 | |
ce669d14 | 1426 | if (*((char *)msgptr + entry->msg_len - 1)) { |
fe000966 DM |
1427 | cfs_critical("unterminated string in log message"); |
1428 | return NULL; | |
1429 | } | |
1430 | ||
1431 | return entry; | |
1432 | } | |
1433 | ||
1434 | static gboolean | |
1435 | kvstore_parse_update_message( | |
1436 | const void *msg, | |
1437 | size_t msg_len, | |
1438 | const char **key, | |
1439 | gconstpointer *data, | |
1440 | guint32 *len) | |
1441 | { | |
1442 | g_return_val_if_fail(msg != NULL, FALSE); | |
1443 | g_return_val_if_fail(key != NULL, FALSE); | |
1444 | g_return_val_if_fail(data != NULL, FALSE); | |
1445 | g_return_val_if_fail(len != NULL, FALSE); | |
1446 | ||
1447 | if (msg_len < 256) { | |
e5a5a3ea | 1448 | cfs_critical("received short kvstore message (%zu < 256)", msg_len); |
fe000966 DM |
1449 | return FALSE; |
1450 | } | |
1451 | ||
1452 | /* test if key is null terminated */ | |
1453 | int i = 0; | |
1454 | for (i = 0; i < 256; i++) | |
1455 | if (((char *)msg)[i] == 0) | |
1456 | break; | |
1457 | ||
1458 | if (i == 256) | |
1459 | return FALSE; | |
1460 | ||
1461 | ||
1462 | *len = msg_len - 256; | |
1463 | *key = msg; | |
ce669d14 | 1464 | *data = (char *) msg + 256; |
fe000966 DM |
1465 | |
1466 | return TRUE; | |
1467 | } | |
1468 | ||
1469 | int | |
1470 | cfs_create_status_msg( | |
1471 | GString *str, | |
1472 | const char *nodename, | |
1473 | const char *key) | |
1474 | { | |
1475 | g_return_val_if_fail(str != NULL, -EINVAL); | |
1476 | g_return_val_if_fail(key != NULL, -EINVAL); | |
1477 | ||
1478 | int res = -ENOENT; | |
1479 | ||
1480 | GHashTable *kvhash = NULL; | |
1481 | ||
89fde9ac | 1482 | g_mutex_lock (&mutex); |
fe000966 DM |
1483 | |
1484 | if (!nodename || !nodename[0] || !strcmp(nodename, cfs.nodename)) { | |
1485 | kvhash = cfs_status.kvhash; | |
043bbd8f | 1486 | } else if (cfs_status.clinfo && cfs_status.clinfo->nodes_byname) { |
fe000966 DM |
1487 | cfs_clnode_t *clnode; |
1488 | if ((clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byname, nodename))) | |
1489 | kvhash = clnode->kvhash; | |
1490 | } | |
1491 | ||
1492 | kventry_t *entry; | |
1493 | if (kvhash && (entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
1494 | g_string_append_len(str, entry->data, entry->len); | |
1495 | res = 0; | |
1496 | } | |
1497 | ||
89fde9ac | 1498 | g_mutex_unlock (&mutex); |
fe000966 DM |
1499 | |
1500 | return res; | |
1501 | } | |
1502 | ||
1503 | int | |
1504 | cfs_status_set( | |
1505 | const char *key, | |
1506 | gpointer data, | |
1507 | size_t len) | |
1508 | { | |
1509 | g_return_val_if_fail(key != NULL, FALSE); | |
1510 | g_return_val_if_fail(data != NULL, FALSE); | |
1511 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1512 | ||
1513 | if (len > CFS_MAX_STATUS_SIZE) | |
1514 | return -EFBIG; | |
1515 | ||
89fde9ac | 1516 | g_mutex_lock (&mutex); |
fe000966 DM |
1517 | |
1518 | gboolean res; | |
1519 | ||
1520 | if (strncmp(key, "rrd/", 4) == 0) { | |
1521 | res = rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1522 | } else if (!strcmp(key, "nodeip")) { | |
1523 | res = nodeip_hash_set(cfs_status.iphash, cfs.nodename, data, len); | |
1524 | } else { | |
1525 | res = kventry_hash_set(cfs_status.kvhash, key, data, len); | |
1526 | } | |
89fde9ac | 1527 | g_mutex_unlock (&mutex); |
fe000966 DM |
1528 | |
1529 | if (cfs_status.kvstore) | |
1530 | kvstore_send_update_message(cfs_status.kvstore, key, data, len); | |
1531 | ||
1532 | return res ? 0 : -ENOMEM; | |
1533 | } | |
1534 | ||
1535 | gboolean | |
1536 | cfs_kvstore_node_set( | |
1537 | uint32_t nodeid, | |
1538 | const char *key, | |
1539 | gconstpointer data, | |
1540 | size_t len) | |
1541 | { | |
1542 | g_return_val_if_fail(nodeid != 0, FALSE); | |
1543 | g_return_val_if_fail(key != NULL, FALSE); | |
1544 | g_return_val_if_fail(data != NULL, FALSE); | |
1545 | ||
89fde9ac | 1546 | g_mutex_lock (&mutex); |
fe000966 DM |
1547 | |
1548 | if (!cfs_status.clinfo || !cfs_status.clinfo->nodes_byid) | |
1549 | goto ret; /* ignore */ | |
1550 | ||
1551 | cfs_clnode_t *clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byid, &nodeid); | |
1552 | if (!clnode) | |
1553 | goto ret; /* ignore */ | |
1554 | ||
1555 | cfs_debug("got node %d status update %s", nodeid, key); | |
1556 | ||
1557 | if (strncmp(key, "rrd/", 4) == 0) { | |
1558 | rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1559 | } else if (!strcmp(key, "nodeip")) { | |
1560 | nodeip_hash_set(cfs_status.iphash, clnode->name, data, len); | |
1561 | } else { | |
1562 | if (!clnode->kvhash) { | |
1563 | if (!(clnode->kvhash = kventry_hash_new())) { | |
1564 | goto ret; /*ignore */ | |
1565 | } | |
1566 | } | |
1567 | ||
1568 | kventry_hash_set(clnode->kvhash, key, data, len); | |
1569 | ||
1570 | } | |
1571 | ret: | |
89fde9ac | 1572 | g_mutex_unlock (&mutex); |
fe000966 DM |
1573 | |
1574 | return TRUE; | |
1575 | } | |
1576 | ||
1577 | static gboolean | |
1578 | cfs_kvstore_sync(void) | |
1579 | { | |
1580 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1581 | g_return_val_if_fail(cfs_status.kvstore != NULL, FALSE); | |
1582 | ||
1583 | gboolean res = TRUE; | |
1584 | ||
89fde9ac | 1585 | g_mutex_lock (&mutex); |
fe000966 DM |
1586 | |
1587 | GHashTable *ht = cfs_status.kvhash; | |
1588 | GHashTableIter iter; | |
1589 | gpointer key, value; | |
1590 | ||
1591 | g_hash_table_iter_init (&iter, ht); | |
1592 | ||
1593 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1594 | kventry_t *entry = (kventry_t *)value; | |
1595 | kvstore_send_update_message(cfs_status.kvstore, entry->key, entry->data, entry->len); | |
1596 | } | |
1597 | ||
89fde9ac | 1598 | g_mutex_unlock (&mutex); |
fe000966 DM |
1599 | |
1600 | return res; | |
1601 | } | |
1602 | ||
1603 | static int | |
1604 | dfsm_deliver( | |
1605 | dfsm_t *dfsm, | |
1606 | gpointer data, | |
1607 | int *res_ptr, | |
1608 | uint32_t nodeid, | |
1609 | uint32_t pid, | |
1610 | uint16_t msg_type, | |
1611 | uint32_t msg_time, | |
1612 | const void *msg, | |
1613 | size_t msg_len) | |
1614 | { | |
1615 | g_return_val_if_fail(dfsm != NULL, -1); | |
1616 | g_return_val_if_fail(msg != NULL, -1); | |
1617 | g_return_val_if_fail(res_ptr != NULL, -1); | |
1618 | ||
1619 | /* ignore message for ourself */ | |
1620 | if (dfsm_nodeid_is_local(dfsm, nodeid, pid)) | |
1621 | goto ret; | |
1622 | ||
1623 | if (msg_type == KVSTORE_MESSAGE_UPDATE) { | |
1624 | const char *key; | |
1625 | gconstpointer data; | |
1626 | guint32 len; | |
1627 | if (kvstore_parse_update_message(msg, msg_len, &key, &data, &len)) { | |
1628 | cfs_kvstore_node_set(nodeid, key, data, len); | |
1629 | } else { | |
1630 | cfs_critical("cant parse update message"); | |
1631 | } | |
1632 | } else if (msg_type == KVSTORE_MESSAGE_LOG) { | |
1633 | cfs_message("received log"); // fixme: remove | |
1634 | const clog_entry_t *entry; | |
1635 | if ((entry = kvstore_parse_log_message(msg, msg_len))) { | |
1636 | clusterlog_insert(cfs_status.clusterlog, entry); | |
1637 | } else { | |
1638 | cfs_critical("cant parse log message"); | |
1639 | } | |
1640 | } else { | |
1641 | cfs_critical("received unknown message type %d\n", msg_type); | |
1642 | goto fail; | |
1643 | } | |
1644 | ||
1645 | ret: | |
1646 | *res_ptr = 0; | |
1647 | return 1; | |
1648 | ||
1649 | fail: | |
1650 | *res_ptr = -EACCES; | |
1651 | return 1; | |
1652 | } | |
1653 | ||
1654 | static void | |
1655 | dfsm_confchg( | |
1656 | dfsm_t *dfsm, | |
1657 | gpointer data, | |
1658 | const struct cpg_address *member_list, | |
1659 | size_t member_list_entries) | |
1660 | { | |
1661 | g_return_if_fail(dfsm != NULL); | |
1662 | g_return_if_fail(member_list != NULL); | |
1663 | ||
1664 | cfs_debug("enter %s", __func__); | |
1665 | ||
89fde9ac | 1666 | g_mutex_lock (&mutex); |
fe000966 DM |
1667 | |
1668 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
1669 | ||
1670 | if (clinfo && clinfo->nodes_byid) { | |
1671 | ||
1672 | GHashTable *ht = clinfo->nodes_byid; | |
1673 | GHashTableIter iter; | |
1674 | gpointer key, value; | |
1675 | ||
1676 | g_hash_table_iter_init (&iter, ht); | |
1677 | ||
1678 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1679 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
1680 | node->online = FALSE; | |
1681 | } | |
1682 | ||
1683 | for (int i = 0; i < member_list_entries; i++) { | |
1684 | cfs_clnode_t *node; | |
1685 | if ((node = g_hash_table_lookup(clinfo->nodes_byid, &member_list[i].nodeid))) { | |
1686 | node->online = TRUE; | |
1687 | } | |
1688 | } | |
1689 | ||
1690 | cfs_status.clinfo_version++; | |
1691 | } | |
1692 | ||
89fde9ac | 1693 | g_mutex_unlock (&mutex); |
fe000966 DM |
1694 | } |
1695 | ||
1696 | static gpointer | |
1697 | dfsm_get_state( | |
1698 | dfsm_t *dfsm, | |
1699 | gpointer data, | |
1700 | unsigned int *res_len) | |
1701 | { | |
1702 | g_return_val_if_fail(dfsm != NULL, NULL); | |
1703 | ||
1704 | gpointer msg = clusterlog_get_state(cfs_status.clusterlog, res_len); | |
1705 | ||
1706 | return msg; | |
1707 | } | |
1708 | ||
1709 | static int | |
1710 | dfsm_process_update( | |
1711 | dfsm_t *dfsm, | |
1712 | gpointer data, | |
1713 | dfsm_sync_info_t *syncinfo, | |
1714 | uint32_t nodeid, | |
1715 | uint32_t pid, | |
1716 | const void *msg, | |
1717 | size_t msg_len) | |
1718 | { | |
1719 | cfs_critical("%s: received unexpected update message", __func__); | |
1720 | ||
1721 | return -1; | |
1722 | } | |
1723 | ||
1724 | static int | |
1725 | dfsm_process_state_update( | |
1726 | dfsm_t *dfsm, | |
1727 | gpointer data, | |
1728 | dfsm_sync_info_t *syncinfo) | |
1729 | { | |
1730 | g_return_val_if_fail(dfsm != NULL, -1); | |
1731 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1732 | ||
1733 | clog_base_t *clog[syncinfo->node_count]; | |
1734 | ||
1735 | int local_index = -1; | |
1736 | for (int i = 0; i < syncinfo->node_count; i++) { | |
1737 | dfsm_node_info_t *ni = &syncinfo->nodes[i]; | |
1738 | ni->synced = 1; | |
1739 | ||
1740 | if (syncinfo->local == ni) | |
1741 | local_index = i; | |
1742 | ||
1743 | clog_base_t *base = (clog_base_t *)ni->state; | |
1744 | if (ni->state_len > 8 && ni->state_len == clog_size(base)) { | |
1745 | clog[i] = ni->state; | |
1746 | } else { | |
1747 | cfs_critical("received log with wrong size %u", ni->state_len); | |
1748 | clog[i] = NULL; | |
1749 | } | |
1750 | } | |
1751 | ||
1752 | if (!clusterlog_merge(cfs_status.clusterlog, clog, syncinfo->node_count, local_index)) { | |
1753 | cfs_critical("unable to merge log files"); | |
1754 | } | |
1755 | ||
1756 | cfs_kvstore_sync(); | |
1757 | ||
1758 | return 1; | |
1759 | } | |
1760 | ||
1761 | static int | |
1762 | dfsm_commit( | |
1763 | dfsm_t *dfsm, | |
1764 | gpointer data, | |
1765 | dfsm_sync_info_t *syncinfo) | |
1766 | { | |
1767 | g_return_val_if_fail(dfsm != NULL, -1); | |
1768 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1769 | ||
1770 | return 1; | |
1771 | } | |
1772 | ||
1773 | static void | |
1774 | dfsm_synced(dfsm_t *dfsm) | |
1775 | { | |
1776 | g_return_if_fail(dfsm != NULL); | |
1777 | ||
1778 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, cfs.nodename); | |
1779 | if (!ip) | |
1780 | ip = cfs.ip; | |
1781 | ||
1782 | cfs_status_set("nodeip", ip, strlen(ip) + 1); | |
1783 | } | |
1784 | ||
1785 | static int | |
1786 | dfsm_cleanup( | |
1787 | dfsm_t *dfsm, | |
1788 | gpointer data, | |
1789 | dfsm_sync_info_t *syncinfo) | |
1790 | { | |
1791 | return 1; | |
1792 | } | |
1793 | ||
1794 | static dfsm_callbacks_t kvstore_dfsm_callbacks = { | |
1795 | .dfsm_deliver_fn = dfsm_deliver, | |
1796 | .dfsm_confchg_fn = dfsm_confchg, | |
1797 | ||
1798 | .dfsm_get_state_fn = dfsm_get_state, | |
1799 | .dfsm_process_state_update_fn = dfsm_process_state_update, | |
1800 | .dfsm_process_update_fn = dfsm_process_update, | |
1801 | .dfsm_commit_fn = dfsm_commit, | |
1802 | .dfsm_cleanup_fn = dfsm_cleanup, | |
1803 | .dfsm_synced_fn = dfsm_synced, | |
1804 | }; | |
1805 | ||
1806 | dfsm_t * | |
1807 | cfs_status_dfsm_new(void) | |
1808 | { | |
89fde9ac | 1809 | g_mutex_lock (&mutex); |
fe000966 DM |
1810 | |
1811 | cfs_status.kvstore = dfsm_new(NULL, KVSTORE_CPG_GROUP_NAME, G_LOG_DOMAIN, | |
1812 | 0, &kvstore_dfsm_callbacks); | |
89fde9ac | 1813 | g_mutex_unlock (&mutex); |
fe000966 DM |
1814 | |
1815 | return cfs_status.kvstore; | |
1816 | } | |
1817 | ||
1818 | gboolean | |
1819 | cfs_is_quorate(void) | |
1820 | { | |
89fde9ac | 1821 | g_mutex_lock (&mutex); |
fe000966 | 1822 | gboolean res = cfs_status.quorate; |
89fde9ac | 1823 | g_mutex_unlock (&mutex); |
fe000966 DM |
1824 | |
1825 | return res; | |
1826 | } | |
1827 | ||
1828 | void | |
1829 | cfs_set_quorate( | |
1830 | uint32_t quorate, | |
1831 | gboolean quiet) | |
1832 | { | |
89fde9ac | 1833 | g_mutex_lock (&mutex); |
fe000966 DM |
1834 | |
1835 | uint32_t prev_quorate = cfs_status.quorate; | |
1836 | cfs_status.quorate = quorate; | |
1837 | ||
1838 | if (!prev_quorate && cfs_status.quorate) { | |
1839 | if (!quiet) | |
1840 | cfs_message("node has quorum"); | |
1841 | } | |
1842 | ||
1843 | if (prev_quorate && !cfs_status.quorate) { | |
1844 | if (!quiet) | |
1845 | cfs_message("node lost quorum"); | |
1846 | } | |
1847 | ||
89fde9ac | 1848 | g_mutex_unlock (&mutex); |
fe000966 | 1849 | } |