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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" }, |
1bb7107a AD |
97 | { .path = "sdn/vnets.cfg" }, |
98 | { .path = "sdn/vnets.cfg.new" }, | |
99 | { .path = "sdn/zones.cfg" }, | |
100 | { .path = "sdn/zones.cfg.new" }, | |
101 | { .path = "sdn/controllers.cfg" }, | |
102 | { .path = "sdn/controllers.cfg.new" }, | |
9bb0fbe9 | 103 | { .path = "virtual-guest/cpu-models.conf" }, |
fe000966 DM |
104 | }; |
105 | ||
89fde9ac | 106 | static GMutex mutex; |
fe000966 DM |
107 | |
108 | typedef struct { | |
109 | time_t start_time; | |
110 | ||
111 | uint32_t quorate; | |
112 | ||
113 | cfs_clinfo_t *clinfo; | |
114 | uint32_t clinfo_version; | |
115 | ||
116 | GHashTable *vmlist; | |
117 | uint32_t vmlist_version; | |
118 | ||
119 | dfsm_t *kvstore; | |
120 | GHashTable *kvhash; | |
121 | GHashTable *rrdhash; | |
122 | GHashTable *iphash; | |
123 | ||
124 | GHashTable *memdb_changes; | |
125 | ||
126 | clusterlog_t *clusterlog; | |
127 | } cfs_status_t; | |
128 | ||
129 | static cfs_status_t cfs_status; | |
130 | ||
131 | struct cfs_clnode { | |
132 | char *name; | |
133 | uint32_t nodeid; | |
134 | uint32_t votes; | |
135 | gboolean online; | |
136 | GHashTable *kvhash; | |
137 | }; | |
138 | ||
139 | struct cfs_clinfo { | |
140 | char *cluster_name; | |
141 | uint32_t cman_version; | |
142 | ||
143 | GHashTable *nodes_byid; | |
144 | GHashTable *nodes_byname; | |
145 | }; | |
146 | ||
147 | static guint | |
148 | g_int32_hash (gconstpointer v) | |
149 | { | |
150 | return *(const uint32_t *) v; | |
151 | } | |
152 | ||
153 | static gboolean | |
154 | g_int32_equal (gconstpointer v1, | |
155 | gconstpointer v2) | |
156 | { | |
157 | return *((const uint32_t*) v1) == *((const uint32_t*) v2); | |
158 | } | |
159 | ||
160 | static void vminfo_free(vminfo_t *vminfo) | |
161 | { | |
162 | g_return_if_fail(vminfo != NULL); | |
163 | ||
164 | if (vminfo->nodename) | |
165 | g_free(vminfo->nodename); | |
166 | ||
167 | ||
168 | g_free(vminfo); | |
169 | } | |
170 | ||
99abbd31 TL |
171 | static const char *vminfo_type_to_string(vminfo_t *vminfo) |
172 | { | |
173 | if (vminfo->vmtype == VMTYPE_QEMU) { | |
174 | return "qemu"; | |
175 | } else if (vminfo->vmtype == VMTYPE_OPENVZ) { | |
176 | return "openvz"; | |
177 | } else if (vminfo->vmtype == VMTYPE_LXC) { | |
178 | return "lxc"; | |
179 | } else { | |
180 | return "unknown"; | |
181 | } | |
c26ca647 TL |
182 | } |
183 | ||
cf1b19d9 TL |
184 | static const char *vminfo_type_to_path_type(vminfo_t *vminfo) |
185 | { | |
186 | if (vminfo->vmtype == VMTYPE_QEMU) { | |
187 | return "qemu-server"; // special case.. | |
188 | } else { | |
189 | return vminfo_type_to_string(vminfo); | |
190 | } | |
191 | } | |
192 | ||
193 | int vminfo_to_path(vminfo_t *vminfo, GString *path) | |
194 | { | |
195 | g_return_val_if_fail(vminfo != NULL, -1); | |
196 | g_return_val_if_fail(path != NULL, -1); | |
197 | ||
198 | if (!vminfo->nodename) | |
199 | return 0; | |
200 | ||
201 | const char *type = vminfo_type_to_path_type(vminfo); | |
202 | g_string_printf(path, "/nodes/%s/%s/%u.conf", vminfo->nodename, type, vminfo->vmid); | |
203 | ||
204 | return 1; | |
205 | } | |
206 | ||
fe000966 DM |
207 | void cfs_clnode_destroy( |
208 | cfs_clnode_t *clnode) | |
209 | { | |
210 | g_return_if_fail(clnode != NULL); | |
211 | ||
212 | if (clnode->kvhash) | |
213 | g_hash_table_destroy(clnode->kvhash); | |
214 | ||
215 | if (clnode->name) | |
216 | g_free(clnode->name); | |
217 | ||
218 | g_free(clnode); | |
219 | } | |
220 | ||
221 | cfs_clnode_t *cfs_clnode_new( | |
222 | const char *name, | |
223 | uint32_t nodeid, | |
224 | uint32_t votes) | |
225 | { | |
226 | g_return_val_if_fail(name != NULL, NULL); | |
227 | ||
228 | cfs_clnode_t *clnode = g_new0(cfs_clnode_t, 1); | |
229 | if (!clnode) | |
230 | return NULL; | |
231 | ||
232 | clnode->name = g_strdup(name); | |
233 | clnode->nodeid = nodeid; | |
234 | clnode->votes = votes; | |
235 | ||
236 | return clnode; | |
237 | } | |
238 | ||
239 | gboolean cfs_clinfo_destroy( | |
240 | cfs_clinfo_t *clinfo) | |
241 | { | |
242 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
243 | ||
244 | if (clinfo->cluster_name) | |
245 | g_free(clinfo->cluster_name); | |
246 | ||
247 | if (clinfo->nodes_byname) | |
248 | g_hash_table_destroy(clinfo->nodes_byname); | |
249 | ||
250 | if (clinfo->nodes_byid) | |
251 | g_hash_table_destroy(clinfo->nodes_byid); | |
252 | ||
253 | g_free(clinfo); | |
254 | ||
255 | return TRUE; | |
256 | } | |
257 | ||
258 | cfs_clinfo_t *cfs_clinfo_new( | |
259 | const char *cluster_name, | |
260 | uint32_t cman_version) | |
261 | { | |
262 | g_return_val_if_fail(cluster_name != NULL, NULL); | |
263 | ||
264 | cfs_clinfo_t *clinfo = g_new0(cfs_clinfo_t, 1); | |
265 | if (!clinfo) | |
266 | return NULL; | |
267 | ||
268 | clinfo->cluster_name = g_strdup(cluster_name); | |
269 | clinfo->cman_version = cman_version; | |
270 | ||
271 | if (!(clinfo->nodes_byid = g_hash_table_new_full( | |
272 | g_int32_hash, g_int32_equal, NULL, | |
273 | (GDestroyNotify)cfs_clnode_destroy))) | |
274 | goto fail; | |
275 | ||
276 | if (!(clinfo->nodes_byname = g_hash_table_new(g_str_hash, g_str_equal))) | |
277 | goto fail; | |
278 | ||
279 | return clinfo; | |
280 | ||
281 | fail: | |
282 | cfs_clinfo_destroy(clinfo); | |
283 | ||
284 | return NULL; | |
285 | } | |
286 | ||
287 | gboolean cfs_clinfo_add_node( | |
288 | cfs_clinfo_t *clinfo, | |
289 | cfs_clnode_t *clnode) | |
290 | { | |
291 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
292 | g_return_val_if_fail(clnode != NULL, FALSE); | |
293 | ||
294 | g_hash_table_replace(clinfo->nodes_byid, &clnode->nodeid, clnode); | |
295 | g_hash_table_replace(clinfo->nodes_byname, clnode->name, clnode); | |
296 | ||
297 | return TRUE; | |
298 | } | |
299 | ||
300 | int | |
301 | cfs_create_memberlist_msg( | |
302 | GString *str) | |
303 | { | |
304 | g_return_val_if_fail(str != NULL, -EINVAL); | |
305 | ||
89fde9ac | 306 | g_mutex_lock (&mutex); |
fe000966 DM |
307 | |
308 | g_string_append_printf(str,"{\n"); | |
309 | ||
310 | guint nodecount = 0; | |
311 | ||
312 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
313 | ||
314 | if (clinfo && clinfo->nodes_byid) | |
315 | nodecount = g_hash_table_size(clinfo->nodes_byid); | |
316 | ||
317 | if (nodecount) { | |
318 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
319 | g_string_append_printf(str, "\"version\": %u,\n", cfs_status.clinfo_version); | |
320 | ||
321 | g_string_append_printf(str, "\"cluster\": { "); | |
322 | g_string_append_printf(str, "\"name\": \"%s\", \"version\": %d, " | |
323 | "\"nodes\": %d, \"quorate\": %d ", | |
324 | clinfo->cluster_name, clinfo->cman_version, | |
325 | nodecount, cfs_status.quorate); | |
326 | ||
327 | g_string_append_printf(str,"},\n"); | |
328 | g_string_append_printf(str,"\"nodelist\": {\n"); | |
329 | ||
330 | GHashTable *ht = clinfo->nodes_byid; | |
331 | GHashTableIter iter; | |
332 | gpointer key, value; | |
333 | ||
334 | g_hash_table_iter_init (&iter, ht); | |
335 | ||
336 | int i = 0; | |
337 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
338 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
339 | if (i) g_string_append_printf(str, ",\n"); | |
340 | i++; | |
341 | ||
342 | g_string_append_printf(str, " \"%s\": { \"id\": %d, \"online\": %d", | |
343 | node->name, node->nodeid, node->online); | |
344 | ||
345 | ||
346 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, node->name); | |
347 | if (ip) { | |
348 | g_string_append_printf(str, ", \"ip\": \"%s\"", ip); | |
349 | } | |
350 | ||
351 | g_string_append_printf(str, "}"); | |
352 | ||
353 | } | |
354 | g_string_append_printf(str,"\n }\n"); | |
355 | } else { | |
356 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
357 | g_string_append_printf(str, "\"version\": %u\n", cfs_status.clinfo_version); | |
358 | } | |
359 | ||
360 | g_string_append_printf(str,"}\n"); | |
361 | ||
89fde9ac | 362 | g_mutex_unlock (&mutex); |
fe000966 DM |
363 | |
364 | return 0; | |
365 | } | |
366 | ||
367 | static void | |
368 | kventry_free(kventry_t *entry) | |
369 | { | |
370 | g_return_if_fail(entry != NULL); | |
371 | ||
372 | g_free(entry->key); | |
373 | g_free(entry->data); | |
374 | g_free(entry); | |
375 | } | |
376 | ||
377 | static GHashTable * | |
378 | kventry_hash_new(void) | |
379 | { | |
380 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
381 | (GDestroyNotify)kventry_free); | |
382 | } | |
383 | ||
384 | static void | |
385 | rrdentry_free(rrdentry_t *entry) | |
386 | { | |
387 | g_return_if_fail(entry != NULL); | |
388 | ||
389 | g_free(entry->key); | |
390 | g_free(entry->data); | |
391 | g_free(entry); | |
392 | } | |
393 | ||
394 | static GHashTable * | |
395 | rrdentry_hash_new(void) | |
396 | { | |
397 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
398 | (GDestroyNotify)rrdentry_free); | |
399 | } | |
400 | ||
401 | void | |
402 | cfs_cluster_log_dump(GString *str, const char *user, guint max_entries) | |
403 | { | |
404 | clusterlog_dump(cfs_status.clusterlog, str, user, max_entries); | |
405 | } | |
406 | ||
407 | void | |
408 | cfs_cluster_log(clog_entry_t *entry) | |
409 | { | |
410 | g_return_if_fail(entry != NULL); | |
411 | ||
412 | clusterlog_insert(cfs_status.clusterlog, entry); | |
413 | ||
414 | if (cfs_status.kvstore) { | |
415 | struct iovec iov[1]; | |
416 | iov[0].iov_base = (char *)entry; | |
417 | iov[0].iov_len = clog_entry_size(entry); | |
418 | ||
af2e9dd4 DM |
419 | if (dfsm_is_initialized(cfs_status.kvstore)) |
420 | dfsm_send_message(cfs_status.kvstore, KVSTORE_MESSAGE_LOG, iov, 1); | |
fe000966 DM |
421 | } |
422 | } | |
423 | ||
424 | void cfs_status_init(void) | |
425 | { | |
89fde9ac | 426 | g_mutex_lock (&mutex); |
fe000966 DM |
427 | |
428 | cfs_status.start_time = time(NULL); | |
429 | ||
430 | cfs_status.vmlist = vmlist_hash_new(); | |
431 | ||
432 | cfs_status.kvhash = kventry_hash_new(); | |
433 | ||
434 | cfs_status.rrdhash = rrdentry_hash_new(); | |
435 | ||
436 | cfs_status.iphash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free); | |
437 | ||
438 | cfs_status.memdb_changes = g_hash_table_new(g_str_hash, g_str_equal); | |
439 | ||
440 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
441 | g_hash_table_replace(cfs_status.memdb_changes, | |
442 | memdb_change_array[i].path, | |
443 | &memdb_change_array[i]); | |
444 | } | |
445 | ||
446 | cfs_status.clusterlog = clusterlog_new(); | |
447 | ||
448 | // fixme: | |
449 | clusterlog_add(cfs_status.clusterlog, "root", "cluster", getpid(), | |
450 | LOG_INFO, "starting cluster log"); | |
451 | ||
89fde9ac | 452 | g_mutex_unlock (&mutex); |
fe000966 DM |
453 | } |
454 | ||
455 | void cfs_status_cleanup(void) | |
456 | { | |
89fde9ac | 457 | g_mutex_lock (&mutex); |
fe000966 DM |
458 | |
459 | cfs_status.clinfo_version++; | |
460 | ||
461 | if (cfs_status.clinfo) { | |
462 | cfs_clinfo_destroy(cfs_status.clinfo); | |
463 | cfs_status.clinfo = NULL; | |
464 | } | |
465 | ||
466 | if (cfs_status.vmlist) { | |
467 | g_hash_table_destroy(cfs_status.vmlist); | |
468 | cfs_status.vmlist = NULL; | |
469 | } | |
470 | ||
471 | if (cfs_status.kvhash) { | |
472 | g_hash_table_destroy(cfs_status.kvhash); | |
473 | cfs_status.kvhash = NULL; | |
474 | } | |
475 | ||
476 | if (cfs_status.rrdhash) { | |
477 | g_hash_table_destroy(cfs_status.rrdhash); | |
478 | cfs_status.rrdhash = NULL; | |
479 | } | |
480 | ||
481 | if (cfs_status.iphash) { | |
482 | g_hash_table_destroy(cfs_status.iphash); | |
483 | cfs_status.iphash = NULL; | |
484 | } | |
485 | ||
486 | if (cfs_status.clusterlog) | |
487 | clusterlog_destroy(cfs_status.clusterlog); | |
488 | ||
89fde9ac | 489 | g_mutex_unlock (&mutex); |
fe000966 DM |
490 | } |
491 | ||
492 | void cfs_status_set_clinfo( | |
493 | cfs_clinfo_t *clinfo) | |
494 | { | |
495 | g_return_if_fail(clinfo != NULL); | |
496 | ||
89fde9ac | 497 | g_mutex_lock (&mutex); |
fe000966 DM |
498 | |
499 | cfs_status.clinfo_version++; | |
500 | ||
501 | cfs_clinfo_t *old = cfs_status.clinfo; | |
502 | ||
503 | cfs_status.clinfo = clinfo; | |
504 | ||
505 | cfs_message("update cluster info (cluster name %s, version = %d)", | |
506 | clinfo->cluster_name, clinfo->cman_version); | |
507 | ||
508 | ||
509 | if (old && old->nodes_byid && clinfo->nodes_byid) { | |
510 | /* copy kvstore */ | |
511 | GHashTable *ht = clinfo->nodes_byid; | |
512 | GHashTableIter iter; | |
513 | gpointer key, value; | |
514 | ||
515 | g_hash_table_iter_init (&iter, ht); | |
516 | ||
517 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
518 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
519 | cfs_clnode_t *oldnode; | |
469d3acb | 520 | if ((oldnode = g_hash_table_lookup(old->nodes_byid, key))) { |
fe000966 DM |
521 | node->online = oldnode->online; |
522 | node->kvhash = oldnode->kvhash; | |
523 | oldnode->kvhash = NULL; | |
524 | } | |
525 | } | |
526 | ||
527 | } | |
528 | ||
529 | if (old) | |
530 | cfs_clinfo_destroy(old); | |
531 | ||
532 | ||
89fde9ac | 533 | g_mutex_unlock (&mutex); |
fe000966 DM |
534 | } |
535 | ||
536 | static void | |
537 | dump_kvstore_versions( | |
538 | GString *str, | |
539 | GHashTable *kvhash, | |
540 | const char *nodename) | |
541 | { | |
542 | g_return_if_fail(kvhash != NULL); | |
543 | g_return_if_fail(str != NULL); | |
544 | g_return_if_fail(nodename != NULL); | |
545 | ||
546 | GHashTable *ht = kvhash; | |
547 | GHashTableIter iter; | |
548 | gpointer key, value; | |
549 | ||
550 | g_string_append_printf(str, "\"%s\": {\n", nodename); | |
551 | ||
552 | g_hash_table_iter_init (&iter, ht); | |
553 | ||
554 | int i = 0; | |
555 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
556 | kventry_t *entry = (kventry_t *)value; | |
557 | if (i) g_string_append_printf(str, ",\n"); | |
558 | i++; | |
559 | g_string_append_printf(str,"\"%s\": %u", entry->key, entry->version); | |
560 | } | |
561 | ||
562 | g_string_append_printf(str, "}\n"); | |
563 | } | |
564 | ||
565 | int | |
566 | cfs_create_version_msg(GString *str) | |
567 | { | |
568 | g_return_val_if_fail(str != NULL, -EINVAL); | |
569 | ||
89fde9ac | 570 | g_mutex_lock (&mutex); |
fe000966 DM |
571 | |
572 | g_string_append_printf(str,"{\n"); | |
573 | ||
574 | g_string_append_printf(str, "\"starttime\": %lu,\n", (unsigned long)cfs_status.start_time); | |
575 | ||
576 | g_string_append_printf(str, "\"clinfo\": %u,\n", cfs_status.clinfo_version); | |
577 | ||
578 | g_string_append_printf(str, "\"vmlist\": %u,\n", cfs_status.vmlist_version); | |
579 | ||
580 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
581 | g_string_append_printf(str, "\"%s\": %u,\n", | |
582 | memdb_change_array[i].path, | |
583 | memdb_change_array[i].version); | |
584 | } | |
585 | ||
586 | g_string_append_printf(str, "\"kvstore\": {\n"); | |
587 | ||
588 | dump_kvstore_versions(str, cfs_status.kvhash, cfs.nodename); | |
589 | ||
590 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
591 | ||
592 | if (clinfo && clinfo->nodes_byid) { | |
593 | GHashTable *ht = clinfo->nodes_byid; | |
594 | GHashTableIter iter; | |
595 | gpointer key, value; | |
596 | ||
597 | g_hash_table_iter_init (&iter, ht); | |
598 | ||
599 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
600 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
601 | if (!node->kvhash) | |
602 | continue; | |
603 | g_string_append_printf(str, ",\n"); | |
604 | dump_kvstore_versions(str, node->kvhash, node->name); | |
605 | } | |
606 | } | |
607 | ||
608 | g_string_append_printf(str,"}\n"); | |
609 | ||
610 | g_string_append_printf(str,"}\n"); | |
611 | ||
89fde9ac | 612 | g_mutex_unlock (&mutex); |
fe000966 DM |
613 | |
614 | return 0; | |
615 | } | |
616 | ||
617 | GHashTable * | |
618 | vmlist_hash_new(void) | |
619 | { | |
620 | return g_hash_table_new_full(g_int_hash, g_int_equal, NULL, | |
621 | (GDestroyNotify)vminfo_free); | |
622 | } | |
623 | ||
624 | gboolean | |
625 | vmlist_hash_insert_vm( | |
626 | GHashTable *vmlist, | |
627 | int vmtype, | |
628 | guint32 vmid, | |
629 | const char *nodename, | |
630 | gboolean replace) | |
631 | { | |
632 | g_return_val_if_fail(vmlist != NULL, FALSE); | |
633 | g_return_val_if_fail(nodename != NULL, FALSE); | |
634 | g_return_val_if_fail(vmid != 0, FALSE); | |
7f66b436 DM |
635 | g_return_val_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
636 | vmtype == VMTYPE_LXC, FALSE); | |
fe000966 DM |
637 | |
638 | if (!replace && g_hash_table_lookup(vmlist, &vmid)) { | |
639 | cfs_critical("detected duplicate VMID %d", vmid); | |
640 | return FALSE; | |
641 | } | |
642 | ||
643 | vminfo_t *vminfo = g_new0(vminfo_t, 1); | |
644 | ||
645 | vminfo->vmid = vmid; | |
646 | vminfo->vmtype = vmtype; | |
647 | vminfo->nodename = g_strdup(nodename); | |
648 | ||
649 | vminfo->version = ++vminfo_version_counter; | |
650 | ||
651 | g_hash_table_replace(vmlist, &vminfo->vmid, vminfo); | |
652 | ||
653 | return TRUE; | |
654 | } | |
655 | ||
656 | void | |
657 | vmlist_register_vm( | |
658 | int vmtype, | |
659 | guint32 vmid, | |
660 | const char *nodename) | |
661 | { | |
662 | g_return_if_fail(cfs_status.vmlist != NULL); | |
663 | g_return_if_fail(nodename != NULL); | |
664 | g_return_if_fail(vmid != 0); | |
7f66b436 DM |
665 | g_return_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
666 | vmtype == VMTYPE_LXC); | |
fe000966 DM |
667 | |
668 | cfs_debug("vmlist_register_vm: %s/%u %d", nodename, vmid, vmtype); | |
669 | ||
89fde9ac | 670 | g_mutex_lock (&mutex); |
fe000966 DM |
671 | |
672 | cfs_status.vmlist_version++; | |
673 | ||
674 | vmlist_hash_insert_vm(cfs_status.vmlist, vmtype, vmid, nodename, TRUE); | |
675 | ||
89fde9ac | 676 | g_mutex_unlock (&mutex); |
fe000966 DM |
677 | } |
678 | ||
679 | gboolean | |
680 | vmlist_different_vm_exists( | |
681 | int vmtype, | |
682 | guint32 vmid, | |
683 | const char *nodename) | |
684 | { | |
685 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
686 | g_return_val_if_fail(vmid != 0, FALSE); | |
687 | ||
688 | gboolean res = FALSE; | |
689 | ||
89fde9ac | 690 | g_mutex_lock (&mutex); |
fe000966 DM |
691 | |
692 | vminfo_t *vminfo; | |
693 | if ((vminfo = (vminfo_t *)g_hash_table_lookup(cfs_status.vmlist, &vmid))) { | |
694 | if (!(vminfo->vmtype == vmtype && strcmp(vminfo->nodename, nodename) == 0)) | |
695 | res = TRUE; | |
696 | } | |
89fde9ac | 697 | g_mutex_unlock (&mutex); |
fe000966 DM |
698 | |
699 | return res; | |
700 | } | |
701 | ||
702 | gboolean | |
703 | vmlist_vm_exists( | |
704 | guint32 vmid) | |
705 | { | |
706 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
707 | g_return_val_if_fail(vmid != 0, FALSE); | |
708 | ||
89fde9ac | 709 | g_mutex_lock (&mutex); |
fe000966 DM |
710 | |
711 | gpointer res = g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
712 | ||
89fde9ac | 713 | g_mutex_unlock (&mutex); |
fe000966 DM |
714 | |
715 | return res != NULL; | |
716 | } | |
717 | ||
718 | void | |
719 | vmlist_delete_vm( | |
720 | guint32 vmid) | |
721 | { | |
722 | g_return_if_fail(cfs_status.vmlist != NULL); | |
723 | g_return_if_fail(vmid != 0); | |
724 | ||
89fde9ac | 725 | g_mutex_lock (&mutex); |
fe000966 DM |
726 | |
727 | cfs_status.vmlist_version++; | |
728 | ||
729 | g_hash_table_remove(cfs_status.vmlist, &vmid); | |
730 | ||
89fde9ac | 731 | g_mutex_unlock (&mutex); |
fe000966 DM |
732 | } |
733 | ||
734 | void cfs_status_set_vmlist( | |
735 | GHashTable *vmlist) | |
736 | { | |
737 | g_return_if_fail(vmlist != NULL); | |
738 | ||
89fde9ac | 739 | g_mutex_lock (&mutex); |
fe000966 DM |
740 | |
741 | cfs_status.vmlist_version++; | |
742 | ||
743 | if (cfs_status.vmlist) | |
744 | g_hash_table_destroy(cfs_status.vmlist); | |
745 | ||
746 | cfs_status.vmlist = vmlist; | |
747 | ||
89fde9ac | 748 | g_mutex_unlock (&mutex); |
fe000966 DM |
749 | } |
750 | ||
751 | int | |
752 | cfs_create_vmlist_msg(GString *str) | |
753 | { | |
754 | g_return_val_if_fail(cfs_status.vmlist != NULL, -EINVAL); | |
755 | g_return_val_if_fail(str != NULL, -EINVAL); | |
756 | ||
89fde9ac | 757 | g_mutex_lock (&mutex); |
fe000966 DM |
758 | |
759 | g_string_append_printf(str,"{\n"); | |
760 | ||
761 | GHashTable *ht = cfs_status.vmlist; | |
762 | ||
763 | guint count = g_hash_table_size(ht); | |
764 | ||
765 | if (!count) { | |
766 | g_string_append_printf(str,"\"version\": %u\n", cfs_status.vmlist_version); | |
767 | } else { | |
768 | g_string_append_printf(str,"\"version\": %u,\n", cfs_status.vmlist_version); | |
769 | ||
770 | g_string_append_printf(str,"\"ids\": {\n"); | |
771 | ||
772 | GHashTableIter iter; | |
773 | gpointer key, value; | |
774 | ||
775 | g_hash_table_iter_init (&iter, ht); | |
776 | ||
777 | int first = 1; | |
778 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
779 | vminfo_t *vminfo = (vminfo_t *)value; | |
c26ca647 | 780 | const char *type = vminfo_type_to_string(vminfo); |
fe000966 DM |
781 | |
782 | if (!first) | |
783 | g_string_append_printf(str, ",\n"); | |
784 | first = 0; | |
785 | ||
786 | g_string_append_printf(str,"\"%u\": { \"node\": \"%s\", \"type\": \"%s\", \"version\": %u }", | |
787 | vminfo->vmid, vminfo->nodename, type, vminfo->version); | |
788 | } | |
789 | ||
790 | g_string_append_printf(str,"}\n"); | |
791 | } | |
792 | g_string_append_printf(str,"\n}\n"); | |
793 | ||
89fde9ac | 794 | g_mutex_unlock (&mutex); |
fe000966 DM |
795 | |
796 | return 0; | |
797 | } | |
798 | ||
cf1b19d9 TL |
799 | // checks the conf for a line starting with '$prop:' and returns the value |
800 | // afterwards, whitout initial whitespace(s), we only deal with the format | |
801 | // restricion imposed by our perl VM config parser, main reference is | |
802 | // PVE::QemuServer::parse_vm_config this allows to be very fast and still | |
803 | // relatively simple | |
804 | // main restrictions used for our advantage is the properties match reges: | |
805 | // ($line =~ m/^([a-z][a-z_]*\d*):\s*(.+?)\s*$/) from parse_vm_config | |
806 | // currently we only look at the current configuration in place, i.e., *no* | |
807 | // snapshort and *no* pending changes | |
808 | static char * | |
5c86492f | 809 | _get_property_value(char *conf, int conf_size, const char *prop, int prop_len) |
cf1b19d9 | 810 | { |
217a9463 | 811 | const char *const conf_end = conf + conf_size; |
5c86492f | 812 | char *line = conf; |
217a9463 | 813 | size_t remaining_size; |
5c86492f TL |
814 | |
815 | char *next_newline = memchr(conf, '\n', conf_size); | |
816 | if (next_newline == NULL) { | |
817 | return NULL; // valid property lines end with \n, but none in the config | |
818 | } | |
819 | *next_newline = '\0'; | |
cf1b19d9 | 820 | |
cf1b19d9 TL |
821 | while (line != NULL) { |
822 | if (!line[0]) goto next; | |
823 | ||
5c86492f | 824 | // snapshot or pending section start, but nothing found yet -> not found |
cf1b19d9 TL |
825 | if (line[0] == '[') return NULL; |
826 | // properties start with /^[a-z]/, so continue early if not | |
827 | if (line[0] < 'a' || line[0] > 'z') goto next; | |
828 | ||
829 | int line_len = strlen(line); | |
830 | if (line_len <= prop_len + 1) goto next; | |
831 | ||
832 | if (line[prop_len] == ':' && memcmp(line, prop, prop_len) == 0) { // found | |
833 | char *v_start = &line[prop_len + 1]; | |
834 | ||
835 | // drop initial value whitespaces here already | |
836 | while (*v_start && isspace(*v_start)) v_start++; | |
837 | ||
838 | if (!*v_start) return NULL; | |
839 | ||
840 | char *v_end = &line[line_len - 1]; | |
841 | while (v_end > v_start && isspace(*v_end)) v_end--; | |
842 | v_end[1] = '\0'; | |
843 | ||
844 | return v_start; | |
845 | } | |
846 | next: | |
217a9463 WB |
847 | line = next_newline + 1; |
848 | remaining_size = conf_end - line; | |
849 | if (remaining_size <= prop_len) { | |
5c86492f TL |
850 | return NULL; |
851 | } | |
5c86492f TL |
852 | next_newline = memchr(line, '\n', remaining_size); |
853 | if (next_newline == NULL) { | |
854 | return NULL; // valid property lines end with \n, but none in the config | |
855 | } | |
856 | *next_newline = '\0'; | |
cf1b19d9 TL |
857 | } |
858 | ||
859 | return NULL; // not found | |
860 | } | |
861 | ||
cb7cea80 TL |
862 | static void |
863 | _g_str_append_kv_jsonescaped(GString *str, const char *k, const char *v) | |
864 | { | |
865 | g_string_append_printf(str, "\"%s\": \"", k); | |
866 | ||
867 | for (; *v; v++) { | |
868 | if (*v == '\\' || *v == '"') { | |
869 | g_string_append_c(str, '\\'); | |
870 | } | |
871 | g_string_append_c(str, *v); | |
872 | } | |
873 | ||
874 | g_string_append_c(str, '"'); | |
875 | } | |
876 | ||
cf1b19d9 TL |
877 | int |
878 | cfs_create_guest_conf_property_msg(GString *str, memdb_t *memdb, const char *prop, uint32_t vmid) | |
879 | { | |
880 | g_return_val_if_fail(cfs_status.vmlist != NULL, -EINVAL); | |
881 | g_return_val_if_fail(str != NULL, -EINVAL); | |
882 | ||
883 | int prop_len = strlen(prop); | |
884 | int res = 0; | |
885 | GString *path = NULL; | |
886 | ||
4fb4cb7a KG |
887 | // Prelock &memdb->mutex in order to enable the usage of memdb_read_nolock |
888 | // to prevent Deadlocks as in #2553 | |
889 | g_mutex_lock (&memdb->mutex); | |
cf1b19d9 TL |
890 | g_mutex_lock (&mutex); |
891 | ||
892 | g_string_printf(str,"{\n"); | |
893 | ||
894 | GHashTable *ht = cfs_status.vmlist; | |
895 | gpointer tmp = NULL; | |
896 | if (!g_hash_table_size(ht)) { | |
897 | goto ret; | |
898 | } | |
899 | ||
5b17ee16 | 900 | path = g_string_sized_new(256); |
cf1b19d9 TL |
901 | if (vmid >= 100) { |
902 | vminfo_t *vminfo = (vminfo_t *) g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
903 | if (vminfo == NULL) goto enoent; | |
904 | ||
905 | if (!vminfo_to_path(vminfo, path)) goto err; | |
906 | ||
4fb4cb7a KG |
907 | // use memdb_read_nolock because lock is handled here |
908 | int size = memdb_read_nolock(memdb, path->str, &tmp); | |
cf1b19d9 TL |
909 | if (tmp == NULL) goto err; |
910 | if (size <= prop_len) goto ret; | |
911 | ||
5c86492f | 912 | char *val = _get_property_value(tmp, size, prop, prop_len); |
cf1b19d9 TL |
913 | if (val == NULL) goto ret; |
914 | ||
cb7cea80 TL |
915 | g_string_append_printf(str, "\"%u\":{", vmid); |
916 | _g_str_append_kv_jsonescaped(str, prop, val); | |
917 | g_string_append_c(str, '}'); | |
cf1b19d9 TL |
918 | |
919 | } else { | |
920 | GHashTableIter iter; | |
921 | g_hash_table_iter_init (&iter, ht); | |
922 | ||
923 | gpointer key, value; | |
924 | int first = 1; | |
925 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
926 | vminfo_t *vminfo = (vminfo_t *)value; | |
927 | ||
928 | if (!vminfo_to_path(vminfo, path)) goto err; | |
929 | ||
930 | g_free(tmp); // no-op if already null | |
931 | tmp = NULL; | |
4fb4cb7a KG |
932 | // use memdb_read_nolock because lock is handled here |
933 | int size = memdb_read_nolock(memdb, path->str, &tmp); | |
cf1b19d9 TL |
934 | if (tmp == NULL || size <= prop_len) continue; |
935 | ||
5c86492f | 936 | char *val = _get_property_value(tmp, size, prop, prop_len); |
cf1b19d9 TL |
937 | if (val == NULL) continue; |
938 | ||
939 | if (!first) g_string_append_printf(str, ",\n"); | |
940 | else first = 0; | |
941 | ||
cb7cea80 TL |
942 | g_string_append_printf(str, "\"%u\":{", vminfo->vmid); |
943 | _g_str_append_kv_jsonescaped(str, prop, val); | |
944 | g_string_append_c(str, '}'); | |
cf1b19d9 TL |
945 | } |
946 | } | |
947 | ret: | |
948 | g_free(tmp); | |
3f1c7eb1 TL |
949 | if (path != NULL) { |
950 | g_string_free(path, TRUE); | |
951 | } | |
cf1b19d9 TL |
952 | g_string_append_printf(str,"\n}\n"); |
953 | g_mutex_unlock (&mutex); | |
4fb4cb7a | 954 | g_mutex_unlock (&memdb->mutex); |
cf1b19d9 TL |
955 | return res; |
956 | err: | |
957 | res = -EIO; | |
958 | goto ret; | |
959 | enoent: | |
960 | res = -ENOENT; | |
961 | goto ret; | |
962 | } | |
963 | ||
fe000966 DM |
964 | void |
965 | record_memdb_change(const char *path) | |
966 | { | |
967 | g_return_if_fail(cfs_status.memdb_changes != 0); | |
968 | ||
969 | memdb_change_t *ce; | |
970 | ||
971 | if ((ce = (memdb_change_t *)g_hash_table_lookup(cfs_status.memdb_changes, path))) { | |
972 | ce->version++; | |
973 | } | |
974 | } | |
975 | ||
976 | void | |
977 | record_memdb_reload(void) | |
978 | { | |
979 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
980 | memdb_change_array[i].version++; | |
981 | } | |
982 | } | |
983 | ||
984 | static gboolean | |
985 | kventry_hash_set( | |
986 | GHashTable *kvhash, | |
987 | const char *key, | |
988 | gconstpointer data, | |
989 | size_t len) | |
990 | { | |
991 | g_return_val_if_fail(kvhash != NULL, FALSE); | |
992 | g_return_val_if_fail(key != NULL, FALSE); | |
993 | g_return_val_if_fail(data != NULL, FALSE); | |
994 | ||
995 | kventry_t *entry; | |
71cc17bc DC |
996 | if (!len) { |
997 | g_hash_table_remove(kvhash, key); | |
998 | } else if ((entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
fe000966 DM |
999 | g_free(entry->data); |
1000 | entry->data = g_memdup(data, len); | |
1001 | entry->len = len; | |
1002 | entry->version++; | |
1003 | } else { | |
1004 | kventry_t *entry = g_new0(kventry_t, 1); | |
1005 | ||
1006 | entry->key = g_strdup(key); | |
1007 | entry->data = g_memdup(data, len); | |
1008 | entry->len = len; | |
1009 | ||
1010 | g_hash_table_replace(kvhash, entry->key, entry); | |
1011 | } | |
1012 | ||
1013 | return TRUE; | |
1014 | } | |
1015 | ||
1016 | static const char *rrd_def_node[] = { | |
1017 | "DS:loadavg:GAUGE:120:0:U", | |
1018 | "DS:maxcpu:GAUGE:120:0:U", | |
1019 | "DS:cpu:GAUGE:120:0:U", | |
1020 | "DS:iowait:GAUGE:120:0:U", | |
1021 | "DS:memtotal:GAUGE:120:0:U", | |
1022 | "DS:memused:GAUGE:120:0:U", | |
1023 | "DS:swaptotal:GAUGE:120:0:U", | |
1024 | "DS:swapused:GAUGE:120:0:U", | |
1025 | "DS:roottotal:GAUGE:120:0:U", | |
1026 | "DS:rootused:GAUGE:120:0:U", | |
764296f1 DM |
1027 | "DS:netin:DERIVE:120:0:U", |
1028 | "DS:netout: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_vm[] = { | |
1045 | "DS:maxcpu:GAUGE:120:0:U", | |
1046 | "DS:cpu:GAUGE:120:0:U", | |
1047 | "DS:maxmem:GAUGE:120:0:U", | |
1048 | "DS:mem:GAUGE:120:0:U", | |
1049 | "DS:maxdisk:GAUGE:120:0:U", | |
1050 | "DS:disk:GAUGE:120:0:U", | |
764296f1 DM |
1051 | "DS:netin:DERIVE:120:0:U", |
1052 | "DS:netout:DERIVE:120:0:U", | |
1053 | "DS:diskread:DERIVE:120:0:U", | |
1054 | "DS:diskwrite:DERIVE:120:0:U", | |
fe000966 DM |
1055 | |
1056 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1057 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1058 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1059 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1060 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1061 | ||
1062 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1063 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1064 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1065 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1066 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1067 | NULL, | |
1068 | }; | |
1069 | ||
1070 | static const char *rrd_def_storage[] = { | |
1071 | "DS:total:GAUGE:120:0:U", | |
1072 | "DS:used:GAUGE:120:0:U", | |
1073 | ||
1074 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1075 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1076 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1077 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1078 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1079 | ||
1080 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1081 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1082 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1083 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1084 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1085 | NULL, | |
1086 | }; | |
1087 | ||
1088 | #define RRDDIR "/var/lib/rrdcached/db" | |
1089 | ||
1090 | static void | |
1091 | create_rrd_file( | |
1092 | const char *filename, | |
1093 | int argcount, | |
1094 | const char *rrddef[]) | |
1095 | { | |
1096 | /* start at day boundary */ | |
1097 | time_t ctime; | |
1098 | time(&ctime); | |
1099 | struct tm *ltm = localtime(&ctime); | |
1100 | ltm->tm_sec = 0; | |
1101 | ltm->tm_min = 0; | |
1102 | ltm->tm_hour = 0; | |
1103 | ||
1104 | rrd_clear_error(); | |
1105 | if (rrd_create_r(filename, 60, timelocal(ltm), argcount, rrddef)) { | |
1106 | cfs_message("RRD create error %s: %s", filename, rrd_get_error()); | |
1107 | } | |
1108 | } | |
1109 | ||
1110 | static inline const char * | |
1111 | rrd_skip_data( | |
1112 | const char *data, | |
1113 | int count) | |
1114 | { | |
1115 | int found = 0; | |
1116 | while (*data && found < count) { | |
1117 | if (*data++ == ':') | |
1118 | found++; | |
1119 | } | |
1120 | return data; | |
1121 | } | |
1122 | ||
1123 | static void | |
1124 | update_rrd_data( | |
1125 | const char *key, | |
1126 | gconstpointer data, | |
1127 | size_t len) | |
1128 | { | |
1129 | g_return_if_fail(key != NULL); | |
1130 | g_return_if_fail(data != NULL); | |
1131 | g_return_if_fail(len > 0); | |
1132 | g_return_if_fail(len < 4096); | |
1133 | ||
1134 | static const char *rrdcsock = "unix:/var/run/rrdcached.sock"; | |
1135 | ||
1136 | int use_daemon = 1; | |
1137 | if (rrdc_connect(rrdcsock) != 0) | |
1138 | use_daemon = 0; | |
1139 | ||
ba9dcfc1 | 1140 | char *filename = NULL; |
fe000966 DM |
1141 | |
1142 | int skip = 0; | |
1143 | ||
1144 | if (strncmp(key, "pve2-node/", 10) == 0) { | |
1145 | const char *node = key + 10; | |
1146 | ||
f9c865a8 | 1147 | skip = 2; |
fe000966 DM |
1148 | |
1149 | if (strchr(node, '/') != NULL) | |
1150 | goto keyerror; | |
1151 | ||
1152 | if (strlen(node) < 1) | |
1153 | goto keyerror; | |
1154 | ||
ba9dcfc1 DM |
1155 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1156 | ||
fe000966 DM |
1157 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1158 | ||
1159 | mkdir(RRDDIR "/pve2-node", 0755); | |
1160 | int argcount = sizeof(rrd_def_node)/sizeof(void*) - 1; | |
1161 | create_rrd_file(filename, argcount, rrd_def_node); | |
1162 | } | |
1163 | ||
ba9dcfc1 DM |
1164 | } else if ((strncmp(key, "pve2-vm/", 8) == 0) || |
1165 | (strncmp(key, "pve2.3-vm/", 10) == 0)) { | |
1166 | const char *vmid; | |
fe000966 | 1167 | |
ba9dcfc1 DM |
1168 | if (strncmp(key, "pve2-vm/", 8) == 0) { |
1169 | vmid = key + 8; | |
1170 | skip = 2; | |
1171 | } else { | |
1172 | vmid = key + 10; | |
94e4cba3 | 1173 | skip = 4; |
ba9dcfc1 | 1174 | } |
fe000966 DM |
1175 | |
1176 | if (strchr(vmid, '/') != NULL) | |
1177 | goto keyerror; | |
1178 | ||
1179 | if (strlen(vmid) < 1) | |
1180 | goto keyerror; | |
1181 | ||
ba9dcfc1 DM |
1182 | filename = g_strdup_printf(RRDDIR "/%s/%s", "pve2-vm", vmid); |
1183 | ||
fe000966 DM |
1184 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1185 | ||
1186 | mkdir(RRDDIR "/pve2-vm", 0755); | |
1187 | int argcount = sizeof(rrd_def_vm)/sizeof(void*) - 1; | |
1188 | create_rrd_file(filename, argcount, rrd_def_vm); | |
1189 | } | |
1190 | ||
1191 | } else if (strncmp(key, "pve2-storage/", 13) == 0) { | |
1192 | const char *node = key + 13; | |
1193 | ||
1194 | const char *storage = node; | |
1195 | while (*storage && *storage != '/') | |
1196 | storage++; | |
1197 | ||
1198 | if (*storage != '/' || ((storage - node) < 1)) | |
1199 | goto keyerror; | |
1200 | ||
1201 | storage++; | |
1202 | ||
1203 | if (strchr(storage, '/') != NULL) | |
1204 | goto keyerror; | |
1205 | ||
1206 | if (strlen(storage) < 1) | |
1207 | goto keyerror; | |
1208 | ||
ba9dcfc1 DM |
1209 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1210 | ||
fe000966 DM |
1211 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1212 | ||
1213 | mkdir(RRDDIR "/pve2-storage", 0755); | |
1214 | ||
1215 | char *dir = g_path_get_dirname(filename); | |
1216 | mkdir(dir, 0755); | |
1217 | g_free(dir); | |
1218 | ||
1219 | int argcount = sizeof(rrd_def_storage)/sizeof(void*) - 1; | |
1220 | create_rrd_file(filename, argcount, rrd_def_storage); | |
1221 | } | |
1222 | ||
1223 | } else { | |
1224 | goto keyerror; | |
1225 | } | |
1226 | ||
1227 | const char *dp = skip ? rrd_skip_data(data, skip) : data; | |
1228 | ||
1229 | const char *update_args[] = { dp, NULL }; | |
1230 | ||
1231 | if (use_daemon) { | |
1232 | int status; | |
1233 | if ((status = rrdc_update(filename, 1, update_args)) != 0) { | |
1234 | cfs_message("RRDC update error %s: %d", filename, status); | |
1235 | rrdc_disconnect(); | |
1236 | rrd_clear_error(); | |
1237 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1238 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1239 | } | |
1240 | } | |
1241 | ||
1242 | } else { | |
1243 | rrd_clear_error(); | |
1244 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1245 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | ret: | |
ba9dcfc1 DM |
1250 | if (filename) |
1251 | g_free(filename); | |
1252 | ||
fe000966 DM |
1253 | return; |
1254 | ||
1255 | keyerror: | |
1256 | cfs_critical("RRD update error: unknown/wrong key %s", key); | |
1257 | goto ret; | |
1258 | } | |
1259 | ||
1260 | static gboolean | |
1261 | rrd_entry_is_old( | |
1262 | gpointer key, | |
1263 | gpointer value, | |
1264 | gpointer user_data) | |
1265 | { | |
1266 | rrdentry_t *entry = (rrdentry_t *)value; | |
1267 | uint32_t ctime = GPOINTER_TO_UINT(user_data); | |
1268 | ||
1269 | int diff = ctime - entry->time; | |
1270 | ||
1271 | /* remove everything older than 5 minutes */ | |
1272 | int expire = 60*5; | |
1273 | ||
1274 | return (diff > expire) ? TRUE : FALSE; | |
1275 | } | |
1276 | ||
1277 | static char *rrd_dump_buf = NULL; | |
1278 | static time_t rrd_dump_last = 0; | |
1279 | ||
1280 | void | |
1281 | cfs_rrd_dump(GString *str) | |
1282 | { | |
1283 | time_t ctime; | |
fe000966 | 1284 | |
663896cf TL |
1285 | g_mutex_lock (&mutex); |
1286 | ||
1287 | time(&ctime); | |
fe000966 DM |
1288 | if (rrd_dump_buf && (ctime - rrd_dump_last) < 2) { |
1289 | g_string_assign(str, rrd_dump_buf); | |
663896cf | 1290 | g_mutex_unlock (&mutex); |
fe000966 DM |
1291 | return; |
1292 | } | |
1293 | ||
1294 | /* remove old data */ | |
1295 | g_hash_table_foreach_remove(cfs_status.rrdhash, rrd_entry_is_old, | |
1296 | GUINT_TO_POINTER(ctime)); | |
1297 | ||
1298 | g_string_set_size(str, 0); | |
1299 | ||
1300 | GHashTableIter iter; | |
1301 | gpointer key, value; | |
1302 | ||
1303 | g_hash_table_iter_init (&iter, cfs_status.rrdhash); | |
1304 | ||
1305 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1306 | rrdentry_t *entry = (rrdentry_t *)value; | |
1307 | g_string_append(str, key); | |
1308 | g_string_append(str, ":"); | |
1309 | g_string_append(str, entry->data); | |
1310 | g_string_append(str, "\n"); | |
1311 | } | |
1312 | ||
1313 | g_string_append_c(str, 0); // never return undef | |
1314 | ||
1315 | rrd_dump_last = ctime; | |
1316 | if (rrd_dump_buf) | |
1317 | g_free(rrd_dump_buf); | |
1318 | rrd_dump_buf = g_strdup(str->str); | |
663896cf TL |
1319 | |
1320 | g_mutex_unlock (&mutex); | |
fe000966 DM |
1321 | } |
1322 | ||
1323 | static gboolean | |
1324 | nodeip_hash_set( | |
1325 | GHashTable *iphash, | |
1326 | const char *nodename, | |
1327 | const char *ip, | |
1328 | size_t len) | |
1329 | { | |
1330 | g_return_val_if_fail(iphash != NULL, FALSE); | |
1331 | g_return_val_if_fail(nodename != NULL, FALSE); | |
1332 | g_return_val_if_fail(ip != NULL, FALSE); | |
1333 | g_return_val_if_fail(len > 0, FALSE); | |
1334 | g_return_val_if_fail(len < 256, FALSE); | |
1335 | g_return_val_if_fail(ip[len-1] == 0, FALSE); | |
1336 | ||
1337 | char *oldip = (char *)g_hash_table_lookup(iphash, nodename); | |
1338 | ||
1339 | if (!oldip || (strcmp(oldip, ip) != 0)) { | |
1340 | cfs_status.clinfo_version++; | |
1341 | g_hash_table_replace(iphash, g_strdup(nodename), g_strdup(ip)); | |
1342 | } | |
1343 | ||
1344 | return TRUE; | |
1345 | } | |
1346 | ||
1347 | static gboolean | |
1348 | rrdentry_hash_set( | |
1349 | GHashTable *rrdhash, | |
1350 | const char *key, | |
1351 | const char *data, | |
1352 | size_t len) | |
1353 | { | |
1354 | g_return_val_if_fail(rrdhash != NULL, FALSE); | |
1355 | g_return_val_if_fail(key != NULL, FALSE); | |
1356 | g_return_val_if_fail(data != NULL, FALSE); | |
1357 | g_return_val_if_fail(len > 0, FALSE); | |
1358 | g_return_val_if_fail(len < 4096, FALSE); | |
1359 | g_return_val_if_fail(data[len-1] == 0, FALSE); | |
1360 | ||
1361 | rrdentry_t *entry; | |
1362 | if ((entry = (rrdentry_t *)g_hash_table_lookup(rrdhash, key))) { | |
1363 | g_free(entry->data); | |
1364 | entry->data = g_memdup(data, len); | |
1365 | entry->len = len; | |
1366 | entry->time = time(NULL); | |
1367 | } else { | |
1368 | rrdentry_t *entry = g_new0(rrdentry_t, 1); | |
1369 | ||
1370 | entry->key = g_strdup(key); | |
1371 | entry->data = g_memdup(data, len); | |
1372 | entry->len = len; | |
1373 | entry->time = time(NULL); | |
1374 | ||
1375 | g_hash_table_replace(rrdhash, entry->key, entry); | |
1376 | } | |
1377 | ||
1378 | update_rrd_data(key, data, len); | |
1379 | ||
1380 | return TRUE; | |
1381 | } | |
1382 | ||
1383 | static int | |
1384 | kvstore_send_update_message( | |
1385 | dfsm_t *dfsm, | |
1386 | const char *key, | |
1387 | gpointer data, | |
1388 | guint32 len) | |
1389 | { | |
af2e9dd4 DM |
1390 | if (!dfsm_is_initialized(dfsm)) |
1391 | return -EACCES; | |
fe000966 DM |
1392 | |
1393 | struct iovec iov[2]; | |
1394 | ||
1395 | char name[256]; | |
1396 | g_strlcpy(name, key, sizeof(name)); | |
1397 | ||
1398 | iov[0].iov_base = &name; | |
1399 | iov[0].iov_len = sizeof(name); | |
1400 | ||
1401 | iov[1].iov_base = (char *)data; | |
1402 | iov[1].iov_len = len; | |
1403 | ||
1404 | if (dfsm_send_message(dfsm, KVSTORE_MESSAGE_UPDATE, iov, 2) == CS_OK) | |
1405 | return 0; | |
1406 | ||
1407 | return -EACCES; | |
1408 | } | |
1409 | ||
1410 | static clog_entry_t * | |
1411 | kvstore_parse_log_message( | |
1412 | const void *msg, | |
1413 | size_t msg_len) | |
1414 | { | |
1415 | g_return_val_if_fail(msg != NULL, NULL); | |
1416 | ||
1417 | if (msg_len < sizeof(clog_entry_t)) { | |
e5a5a3ea | 1418 | cfs_critical("received short log message (%zu < %zu)", msg_len, sizeof(clog_entry_t)); |
fe000966 DM |
1419 | return NULL; |
1420 | } | |
1421 | ||
1422 | clog_entry_t *entry = (clog_entry_t *)msg; | |
1423 | ||
1424 | uint32_t size = sizeof(clog_entry_t) + entry->node_len + | |
1425 | entry->ident_len + entry->tag_len + entry->msg_len; | |
1426 | ||
1427 | if (msg_len != size) { | |
e5a5a3ea | 1428 | cfs_critical("received log message with wrong size (%zu != %u)", msg_len, size); |
fe000966 DM |
1429 | return NULL; |
1430 | } | |
1431 | ||
ce669d14 | 1432 | char *msgptr = entry->data; |
fe000966 | 1433 | |
ce669d14 | 1434 | if (*((char *)msgptr + entry->node_len - 1)) { |
fe000966 DM |
1435 | cfs_critical("unterminated string in log message"); |
1436 | return NULL; | |
1437 | } | |
ce669d14 | 1438 | msgptr += entry->node_len; |
fe000966 | 1439 | |
ce669d14 | 1440 | if (*((char *)msgptr + entry->ident_len - 1)) { |
fe000966 DM |
1441 | cfs_critical("unterminated string in log message"); |
1442 | return NULL; | |
1443 | } | |
ce669d14 | 1444 | msgptr += entry->ident_len; |
fe000966 | 1445 | |
ce669d14 | 1446 | if (*((char *)msgptr + entry->tag_len - 1)) { |
fe000966 DM |
1447 | cfs_critical("unterminated string in log message"); |
1448 | return NULL; | |
1449 | } | |
ce669d14 | 1450 | msgptr += entry->tag_len; |
fe000966 | 1451 | |
ce669d14 | 1452 | if (*((char *)msgptr + entry->msg_len - 1)) { |
fe000966 DM |
1453 | cfs_critical("unterminated string in log message"); |
1454 | return NULL; | |
1455 | } | |
1456 | ||
1457 | return entry; | |
1458 | } | |
1459 | ||
1460 | static gboolean | |
1461 | kvstore_parse_update_message( | |
1462 | const void *msg, | |
1463 | size_t msg_len, | |
1464 | const char **key, | |
1465 | gconstpointer *data, | |
1466 | guint32 *len) | |
1467 | { | |
1468 | g_return_val_if_fail(msg != NULL, FALSE); | |
1469 | g_return_val_if_fail(key != NULL, FALSE); | |
1470 | g_return_val_if_fail(data != NULL, FALSE); | |
1471 | g_return_val_if_fail(len != NULL, FALSE); | |
1472 | ||
1473 | if (msg_len < 256) { | |
e5a5a3ea | 1474 | cfs_critical("received short kvstore message (%zu < 256)", msg_len); |
fe000966 DM |
1475 | return FALSE; |
1476 | } | |
1477 | ||
1478 | /* test if key is null terminated */ | |
1479 | int i = 0; | |
1480 | for (i = 0; i < 256; i++) | |
1481 | if (((char *)msg)[i] == 0) | |
1482 | break; | |
1483 | ||
1484 | if (i == 256) | |
1485 | return FALSE; | |
1486 | ||
1487 | ||
1488 | *len = msg_len - 256; | |
1489 | *key = msg; | |
ce669d14 | 1490 | *data = (char *) msg + 256; |
fe000966 DM |
1491 | |
1492 | return TRUE; | |
1493 | } | |
1494 | ||
1495 | int | |
1496 | cfs_create_status_msg( | |
1497 | GString *str, | |
1498 | const char *nodename, | |
1499 | const char *key) | |
1500 | { | |
1501 | g_return_val_if_fail(str != NULL, -EINVAL); | |
1502 | g_return_val_if_fail(key != NULL, -EINVAL); | |
1503 | ||
1504 | int res = -ENOENT; | |
1505 | ||
1506 | GHashTable *kvhash = NULL; | |
1507 | ||
89fde9ac | 1508 | g_mutex_lock (&mutex); |
fe000966 DM |
1509 | |
1510 | if (!nodename || !nodename[0] || !strcmp(nodename, cfs.nodename)) { | |
1511 | kvhash = cfs_status.kvhash; | |
043bbd8f | 1512 | } else if (cfs_status.clinfo && cfs_status.clinfo->nodes_byname) { |
fe000966 DM |
1513 | cfs_clnode_t *clnode; |
1514 | if ((clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byname, nodename))) | |
1515 | kvhash = clnode->kvhash; | |
1516 | } | |
1517 | ||
1518 | kventry_t *entry; | |
1519 | if (kvhash && (entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
1520 | g_string_append_len(str, entry->data, entry->len); | |
1521 | res = 0; | |
1522 | } | |
1523 | ||
89fde9ac | 1524 | g_mutex_unlock (&mutex); |
fe000966 DM |
1525 | |
1526 | return res; | |
1527 | } | |
1528 | ||
1529 | int | |
1530 | cfs_status_set( | |
1531 | const char *key, | |
1532 | gpointer data, | |
1533 | size_t len) | |
1534 | { | |
1535 | g_return_val_if_fail(key != NULL, FALSE); | |
1536 | g_return_val_if_fail(data != NULL, FALSE); | |
1537 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1538 | ||
1539 | if (len > CFS_MAX_STATUS_SIZE) | |
1540 | return -EFBIG; | |
1541 | ||
89fde9ac | 1542 | g_mutex_lock (&mutex); |
fe000966 DM |
1543 | |
1544 | gboolean res; | |
1545 | ||
1546 | if (strncmp(key, "rrd/", 4) == 0) { | |
1547 | res = rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1548 | } else if (!strcmp(key, "nodeip")) { | |
1549 | res = nodeip_hash_set(cfs_status.iphash, cfs.nodename, data, len); | |
1550 | } else { | |
1551 | res = kventry_hash_set(cfs_status.kvhash, key, data, len); | |
1552 | } | |
89fde9ac | 1553 | g_mutex_unlock (&mutex); |
fe000966 DM |
1554 | |
1555 | if (cfs_status.kvstore) | |
1556 | kvstore_send_update_message(cfs_status.kvstore, key, data, len); | |
1557 | ||
1558 | return res ? 0 : -ENOMEM; | |
1559 | } | |
1560 | ||
1561 | gboolean | |
1562 | cfs_kvstore_node_set( | |
1563 | uint32_t nodeid, | |
1564 | const char *key, | |
1565 | gconstpointer data, | |
1566 | size_t len) | |
1567 | { | |
1568 | g_return_val_if_fail(nodeid != 0, FALSE); | |
1569 | g_return_val_if_fail(key != NULL, FALSE); | |
1570 | g_return_val_if_fail(data != NULL, FALSE); | |
1571 | ||
89fde9ac | 1572 | g_mutex_lock (&mutex); |
fe000966 DM |
1573 | |
1574 | if (!cfs_status.clinfo || !cfs_status.clinfo->nodes_byid) | |
1575 | goto ret; /* ignore */ | |
1576 | ||
1577 | cfs_clnode_t *clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byid, &nodeid); | |
1578 | if (!clnode) | |
1579 | goto ret; /* ignore */ | |
1580 | ||
1581 | cfs_debug("got node %d status update %s", nodeid, key); | |
1582 | ||
1583 | if (strncmp(key, "rrd/", 4) == 0) { | |
1584 | rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1585 | } else if (!strcmp(key, "nodeip")) { | |
1586 | nodeip_hash_set(cfs_status.iphash, clnode->name, data, len); | |
1587 | } else { | |
1588 | if (!clnode->kvhash) { | |
1589 | if (!(clnode->kvhash = kventry_hash_new())) { | |
1590 | goto ret; /*ignore */ | |
1591 | } | |
1592 | } | |
1593 | ||
1594 | kventry_hash_set(clnode->kvhash, key, data, len); | |
1595 | ||
1596 | } | |
1597 | ret: | |
89fde9ac | 1598 | g_mutex_unlock (&mutex); |
fe000966 DM |
1599 | |
1600 | return TRUE; | |
1601 | } | |
1602 | ||
1603 | static gboolean | |
1604 | cfs_kvstore_sync(void) | |
1605 | { | |
1606 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1607 | g_return_val_if_fail(cfs_status.kvstore != NULL, FALSE); | |
1608 | ||
1609 | gboolean res = TRUE; | |
1610 | ||
89fde9ac | 1611 | g_mutex_lock (&mutex); |
fe000966 DM |
1612 | |
1613 | GHashTable *ht = cfs_status.kvhash; | |
1614 | GHashTableIter iter; | |
1615 | gpointer key, value; | |
1616 | ||
1617 | g_hash_table_iter_init (&iter, ht); | |
1618 | ||
1619 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1620 | kventry_t *entry = (kventry_t *)value; | |
1621 | kvstore_send_update_message(cfs_status.kvstore, entry->key, entry->data, entry->len); | |
1622 | } | |
1623 | ||
89fde9ac | 1624 | g_mutex_unlock (&mutex); |
fe000966 DM |
1625 | |
1626 | return res; | |
1627 | } | |
1628 | ||
1629 | static int | |
1630 | dfsm_deliver( | |
1631 | dfsm_t *dfsm, | |
1632 | gpointer data, | |
1633 | int *res_ptr, | |
1634 | uint32_t nodeid, | |
1635 | uint32_t pid, | |
1636 | uint16_t msg_type, | |
1637 | uint32_t msg_time, | |
1638 | const void *msg, | |
1639 | size_t msg_len) | |
1640 | { | |
1641 | g_return_val_if_fail(dfsm != NULL, -1); | |
1642 | g_return_val_if_fail(msg != NULL, -1); | |
1643 | g_return_val_if_fail(res_ptr != NULL, -1); | |
1644 | ||
1645 | /* ignore message for ourself */ | |
1646 | if (dfsm_nodeid_is_local(dfsm, nodeid, pid)) | |
1647 | goto ret; | |
1648 | ||
1649 | if (msg_type == KVSTORE_MESSAGE_UPDATE) { | |
1650 | const char *key; | |
1651 | gconstpointer data; | |
1652 | guint32 len; | |
1653 | if (kvstore_parse_update_message(msg, msg_len, &key, &data, &len)) { | |
1654 | cfs_kvstore_node_set(nodeid, key, data, len); | |
1655 | } else { | |
1656 | cfs_critical("cant parse update message"); | |
1657 | } | |
1658 | } else if (msg_type == KVSTORE_MESSAGE_LOG) { | |
1659 | cfs_message("received log"); // fixme: remove | |
1660 | const clog_entry_t *entry; | |
1661 | if ((entry = kvstore_parse_log_message(msg, msg_len))) { | |
1662 | clusterlog_insert(cfs_status.clusterlog, entry); | |
1663 | } else { | |
1664 | cfs_critical("cant parse log message"); | |
1665 | } | |
1666 | } else { | |
1667 | cfs_critical("received unknown message type %d\n", msg_type); | |
1668 | goto fail; | |
1669 | } | |
1670 | ||
1671 | ret: | |
1672 | *res_ptr = 0; | |
1673 | return 1; | |
1674 | ||
1675 | fail: | |
1676 | *res_ptr = -EACCES; | |
1677 | return 1; | |
1678 | } | |
1679 | ||
1680 | static void | |
1681 | dfsm_confchg( | |
1682 | dfsm_t *dfsm, | |
1683 | gpointer data, | |
1684 | const struct cpg_address *member_list, | |
1685 | size_t member_list_entries) | |
1686 | { | |
1687 | g_return_if_fail(dfsm != NULL); | |
1688 | g_return_if_fail(member_list != NULL); | |
1689 | ||
1690 | cfs_debug("enter %s", __func__); | |
1691 | ||
89fde9ac | 1692 | g_mutex_lock (&mutex); |
fe000966 DM |
1693 | |
1694 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
1695 | ||
1696 | if (clinfo && clinfo->nodes_byid) { | |
1697 | ||
1698 | GHashTable *ht = clinfo->nodes_byid; | |
1699 | GHashTableIter iter; | |
1700 | gpointer key, value; | |
1701 | ||
1702 | g_hash_table_iter_init (&iter, ht); | |
1703 | ||
1704 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1705 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
1706 | node->online = FALSE; | |
1707 | } | |
1708 | ||
1709 | for (int i = 0; i < member_list_entries; i++) { | |
1710 | cfs_clnode_t *node; | |
1711 | if ((node = g_hash_table_lookup(clinfo->nodes_byid, &member_list[i].nodeid))) { | |
1712 | node->online = TRUE; | |
1713 | } | |
1714 | } | |
1715 | ||
1716 | cfs_status.clinfo_version++; | |
1717 | } | |
1718 | ||
89fde9ac | 1719 | g_mutex_unlock (&mutex); |
fe000966 DM |
1720 | } |
1721 | ||
1722 | static gpointer | |
1723 | dfsm_get_state( | |
1724 | dfsm_t *dfsm, | |
1725 | gpointer data, | |
1726 | unsigned int *res_len) | |
1727 | { | |
1728 | g_return_val_if_fail(dfsm != NULL, NULL); | |
1729 | ||
1730 | gpointer msg = clusterlog_get_state(cfs_status.clusterlog, res_len); | |
1731 | ||
1732 | return msg; | |
1733 | } | |
1734 | ||
1735 | static int | |
1736 | dfsm_process_update( | |
1737 | dfsm_t *dfsm, | |
1738 | gpointer data, | |
1739 | dfsm_sync_info_t *syncinfo, | |
1740 | uint32_t nodeid, | |
1741 | uint32_t pid, | |
1742 | const void *msg, | |
1743 | size_t msg_len) | |
1744 | { | |
1745 | cfs_critical("%s: received unexpected update message", __func__); | |
1746 | ||
1747 | return -1; | |
1748 | } | |
1749 | ||
1750 | static int | |
1751 | dfsm_process_state_update( | |
1752 | dfsm_t *dfsm, | |
1753 | gpointer data, | |
1754 | dfsm_sync_info_t *syncinfo) | |
1755 | { | |
1756 | g_return_val_if_fail(dfsm != NULL, -1); | |
1757 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1758 | ||
1759 | clog_base_t *clog[syncinfo->node_count]; | |
1760 | ||
1761 | int local_index = -1; | |
1762 | for (int i = 0; i < syncinfo->node_count; i++) { | |
1763 | dfsm_node_info_t *ni = &syncinfo->nodes[i]; | |
1764 | ni->synced = 1; | |
1765 | ||
1766 | if (syncinfo->local == ni) | |
1767 | local_index = i; | |
1768 | ||
1769 | clog_base_t *base = (clog_base_t *)ni->state; | |
1770 | if (ni->state_len > 8 && ni->state_len == clog_size(base)) { | |
1771 | clog[i] = ni->state; | |
1772 | } else { | |
1773 | cfs_critical("received log with wrong size %u", ni->state_len); | |
1774 | clog[i] = NULL; | |
1775 | } | |
1776 | } | |
1777 | ||
1778 | if (!clusterlog_merge(cfs_status.clusterlog, clog, syncinfo->node_count, local_index)) { | |
1779 | cfs_critical("unable to merge log files"); | |
1780 | } | |
1781 | ||
1782 | cfs_kvstore_sync(); | |
1783 | ||
1784 | return 1; | |
1785 | } | |
1786 | ||
1787 | static int | |
1788 | dfsm_commit( | |
1789 | dfsm_t *dfsm, | |
1790 | gpointer data, | |
1791 | dfsm_sync_info_t *syncinfo) | |
1792 | { | |
1793 | g_return_val_if_fail(dfsm != NULL, -1); | |
1794 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1795 | ||
1796 | return 1; | |
1797 | } | |
1798 | ||
1799 | static void | |
1800 | dfsm_synced(dfsm_t *dfsm) | |
1801 | { | |
1802 | g_return_if_fail(dfsm != NULL); | |
1803 | ||
1804 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, cfs.nodename); | |
1805 | if (!ip) | |
1806 | ip = cfs.ip; | |
1807 | ||
1808 | cfs_status_set("nodeip", ip, strlen(ip) + 1); | |
1809 | } | |
1810 | ||
1811 | static int | |
1812 | dfsm_cleanup( | |
1813 | dfsm_t *dfsm, | |
1814 | gpointer data, | |
1815 | dfsm_sync_info_t *syncinfo) | |
1816 | { | |
1817 | return 1; | |
1818 | } | |
1819 | ||
1820 | static dfsm_callbacks_t kvstore_dfsm_callbacks = { | |
1821 | .dfsm_deliver_fn = dfsm_deliver, | |
1822 | .dfsm_confchg_fn = dfsm_confchg, | |
1823 | ||
1824 | .dfsm_get_state_fn = dfsm_get_state, | |
1825 | .dfsm_process_state_update_fn = dfsm_process_state_update, | |
1826 | .dfsm_process_update_fn = dfsm_process_update, | |
1827 | .dfsm_commit_fn = dfsm_commit, | |
1828 | .dfsm_cleanup_fn = dfsm_cleanup, | |
1829 | .dfsm_synced_fn = dfsm_synced, | |
1830 | }; | |
1831 | ||
1832 | dfsm_t * | |
1833 | cfs_status_dfsm_new(void) | |
1834 | { | |
89fde9ac | 1835 | g_mutex_lock (&mutex); |
fe000966 DM |
1836 | |
1837 | cfs_status.kvstore = dfsm_new(NULL, KVSTORE_CPG_GROUP_NAME, G_LOG_DOMAIN, | |
1838 | 0, &kvstore_dfsm_callbacks); | |
89fde9ac | 1839 | g_mutex_unlock (&mutex); |
fe000966 DM |
1840 | |
1841 | return cfs_status.kvstore; | |
1842 | } | |
1843 | ||
1844 | gboolean | |
1845 | cfs_is_quorate(void) | |
1846 | { | |
89fde9ac | 1847 | g_mutex_lock (&mutex); |
fe000966 | 1848 | gboolean res = cfs_status.quorate; |
89fde9ac | 1849 | g_mutex_unlock (&mutex); |
fe000966 DM |
1850 | |
1851 | return res; | |
1852 | } | |
1853 | ||
1854 | void | |
1855 | cfs_set_quorate( | |
1856 | uint32_t quorate, | |
1857 | gboolean quiet) | |
1858 | { | |
89fde9ac | 1859 | g_mutex_lock (&mutex); |
fe000966 DM |
1860 | |
1861 | uint32_t prev_quorate = cfs_status.quorate; | |
1862 | cfs_status.quorate = quorate; | |
1863 | ||
1864 | if (!prev_quorate && cfs_status.quorate) { | |
1865 | if (!quiet) | |
1866 | cfs_message("node has quorum"); | |
1867 | } | |
1868 | ||
1869 | if (prev_quorate && !cfs_status.quorate) { | |
1870 | if (!quiet) | |
1871 | cfs_message("node lost quorum"); | |
1872 | } | |
1873 | ||
89fde9ac | 1874 | g_mutex_unlock (&mutex); |
fe000966 | 1875 | } |