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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" }, | |
fe000966 DM |
103 | }; |
104 | ||
89fde9ac | 105 | static GMutex mutex; |
fe000966 DM |
106 | |
107 | typedef struct { | |
108 | time_t start_time; | |
109 | ||
110 | uint32_t quorate; | |
111 | ||
112 | cfs_clinfo_t *clinfo; | |
113 | uint32_t clinfo_version; | |
114 | ||
115 | GHashTable *vmlist; | |
116 | uint32_t vmlist_version; | |
117 | ||
118 | dfsm_t *kvstore; | |
119 | GHashTable *kvhash; | |
120 | GHashTable *rrdhash; | |
121 | GHashTable *iphash; | |
122 | ||
123 | GHashTable *memdb_changes; | |
124 | ||
125 | clusterlog_t *clusterlog; | |
126 | } cfs_status_t; | |
127 | ||
128 | static cfs_status_t cfs_status; | |
129 | ||
130 | struct cfs_clnode { | |
131 | char *name; | |
132 | uint32_t nodeid; | |
133 | uint32_t votes; | |
134 | gboolean online; | |
135 | GHashTable *kvhash; | |
136 | }; | |
137 | ||
138 | struct cfs_clinfo { | |
139 | char *cluster_name; | |
140 | uint32_t cman_version; | |
141 | ||
142 | GHashTable *nodes_byid; | |
143 | GHashTable *nodes_byname; | |
144 | }; | |
145 | ||
146 | static guint | |
147 | g_int32_hash (gconstpointer v) | |
148 | { | |
149 | return *(const uint32_t *) v; | |
150 | } | |
151 | ||
152 | static gboolean | |
153 | g_int32_equal (gconstpointer v1, | |
154 | gconstpointer v2) | |
155 | { | |
156 | return *((const uint32_t*) v1) == *((const uint32_t*) v2); | |
157 | } | |
158 | ||
159 | static void vminfo_free(vminfo_t *vminfo) | |
160 | { | |
161 | g_return_if_fail(vminfo != NULL); | |
162 | ||
163 | if (vminfo->nodename) | |
164 | g_free(vminfo->nodename); | |
165 | ||
166 | ||
167 | g_free(vminfo); | |
168 | } | |
169 | ||
99abbd31 TL |
170 | static const char *vminfo_type_to_string(vminfo_t *vminfo) |
171 | { | |
172 | if (vminfo->vmtype == VMTYPE_QEMU) { | |
173 | return "qemu"; | |
174 | } else if (vminfo->vmtype == VMTYPE_OPENVZ) { | |
175 | return "openvz"; | |
176 | } else if (vminfo->vmtype == VMTYPE_LXC) { | |
177 | return "lxc"; | |
178 | } else { | |
179 | return "unknown"; | |
180 | } | |
c26ca647 TL |
181 | } |
182 | ||
cf1b19d9 TL |
183 | static const char *vminfo_type_to_path_type(vminfo_t *vminfo) |
184 | { | |
185 | if (vminfo->vmtype == VMTYPE_QEMU) { | |
186 | return "qemu-server"; // special case.. | |
187 | } else { | |
188 | return vminfo_type_to_string(vminfo); | |
189 | } | |
190 | } | |
191 | ||
192 | int vminfo_to_path(vminfo_t *vminfo, GString *path) | |
193 | { | |
194 | g_return_val_if_fail(vminfo != NULL, -1); | |
195 | g_return_val_if_fail(path != NULL, -1); | |
196 | ||
197 | if (!vminfo->nodename) | |
198 | return 0; | |
199 | ||
200 | const char *type = vminfo_type_to_path_type(vminfo); | |
201 | g_string_printf(path, "/nodes/%s/%s/%u.conf", vminfo->nodename, type, vminfo->vmid); | |
202 | ||
203 | return 1; | |
204 | } | |
205 | ||
fe000966 DM |
206 | void cfs_clnode_destroy( |
207 | cfs_clnode_t *clnode) | |
208 | { | |
209 | g_return_if_fail(clnode != NULL); | |
210 | ||
211 | if (clnode->kvhash) | |
212 | g_hash_table_destroy(clnode->kvhash); | |
213 | ||
214 | if (clnode->name) | |
215 | g_free(clnode->name); | |
216 | ||
217 | g_free(clnode); | |
218 | } | |
219 | ||
220 | cfs_clnode_t *cfs_clnode_new( | |
221 | const char *name, | |
222 | uint32_t nodeid, | |
223 | uint32_t votes) | |
224 | { | |
225 | g_return_val_if_fail(name != NULL, NULL); | |
226 | ||
227 | cfs_clnode_t *clnode = g_new0(cfs_clnode_t, 1); | |
228 | if (!clnode) | |
229 | return NULL; | |
230 | ||
231 | clnode->name = g_strdup(name); | |
232 | clnode->nodeid = nodeid; | |
233 | clnode->votes = votes; | |
234 | ||
235 | return clnode; | |
236 | } | |
237 | ||
238 | gboolean cfs_clinfo_destroy( | |
239 | cfs_clinfo_t *clinfo) | |
240 | { | |
241 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
242 | ||
243 | if (clinfo->cluster_name) | |
244 | g_free(clinfo->cluster_name); | |
245 | ||
246 | if (clinfo->nodes_byname) | |
247 | g_hash_table_destroy(clinfo->nodes_byname); | |
248 | ||
249 | if (clinfo->nodes_byid) | |
250 | g_hash_table_destroy(clinfo->nodes_byid); | |
251 | ||
252 | g_free(clinfo); | |
253 | ||
254 | return TRUE; | |
255 | } | |
256 | ||
257 | cfs_clinfo_t *cfs_clinfo_new( | |
258 | const char *cluster_name, | |
259 | uint32_t cman_version) | |
260 | { | |
261 | g_return_val_if_fail(cluster_name != NULL, NULL); | |
262 | ||
263 | cfs_clinfo_t *clinfo = g_new0(cfs_clinfo_t, 1); | |
264 | if (!clinfo) | |
265 | return NULL; | |
266 | ||
267 | clinfo->cluster_name = g_strdup(cluster_name); | |
268 | clinfo->cman_version = cman_version; | |
269 | ||
270 | if (!(clinfo->nodes_byid = g_hash_table_new_full( | |
271 | g_int32_hash, g_int32_equal, NULL, | |
272 | (GDestroyNotify)cfs_clnode_destroy))) | |
273 | goto fail; | |
274 | ||
275 | if (!(clinfo->nodes_byname = g_hash_table_new(g_str_hash, g_str_equal))) | |
276 | goto fail; | |
277 | ||
278 | return clinfo; | |
279 | ||
280 | fail: | |
281 | cfs_clinfo_destroy(clinfo); | |
282 | ||
283 | return NULL; | |
284 | } | |
285 | ||
286 | gboolean cfs_clinfo_add_node( | |
287 | cfs_clinfo_t *clinfo, | |
288 | cfs_clnode_t *clnode) | |
289 | { | |
290 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
291 | g_return_val_if_fail(clnode != NULL, FALSE); | |
292 | ||
293 | g_hash_table_replace(clinfo->nodes_byid, &clnode->nodeid, clnode); | |
294 | g_hash_table_replace(clinfo->nodes_byname, clnode->name, clnode); | |
295 | ||
296 | return TRUE; | |
297 | } | |
298 | ||
299 | int | |
300 | cfs_create_memberlist_msg( | |
301 | GString *str) | |
302 | { | |
303 | g_return_val_if_fail(str != NULL, -EINVAL); | |
304 | ||
89fde9ac | 305 | g_mutex_lock (&mutex); |
fe000966 DM |
306 | |
307 | g_string_append_printf(str,"{\n"); | |
308 | ||
309 | guint nodecount = 0; | |
310 | ||
311 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
312 | ||
313 | if (clinfo && clinfo->nodes_byid) | |
314 | nodecount = g_hash_table_size(clinfo->nodes_byid); | |
315 | ||
316 | if (nodecount) { | |
317 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
318 | g_string_append_printf(str, "\"version\": %u,\n", cfs_status.clinfo_version); | |
319 | ||
320 | g_string_append_printf(str, "\"cluster\": { "); | |
321 | g_string_append_printf(str, "\"name\": \"%s\", \"version\": %d, " | |
322 | "\"nodes\": %d, \"quorate\": %d ", | |
323 | clinfo->cluster_name, clinfo->cman_version, | |
324 | nodecount, cfs_status.quorate); | |
325 | ||
326 | g_string_append_printf(str,"},\n"); | |
327 | g_string_append_printf(str,"\"nodelist\": {\n"); | |
328 | ||
329 | GHashTable *ht = clinfo->nodes_byid; | |
330 | GHashTableIter iter; | |
331 | gpointer key, value; | |
332 | ||
333 | g_hash_table_iter_init (&iter, ht); | |
334 | ||
335 | int i = 0; | |
336 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
337 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
338 | if (i) g_string_append_printf(str, ",\n"); | |
339 | i++; | |
340 | ||
341 | g_string_append_printf(str, " \"%s\": { \"id\": %d, \"online\": %d", | |
342 | node->name, node->nodeid, node->online); | |
343 | ||
344 | ||
345 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, node->name); | |
346 | if (ip) { | |
347 | g_string_append_printf(str, ", \"ip\": \"%s\"", ip); | |
348 | } | |
349 | ||
350 | g_string_append_printf(str, "}"); | |
351 | ||
352 | } | |
353 | g_string_append_printf(str,"\n }\n"); | |
354 | } else { | |
355 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
356 | g_string_append_printf(str, "\"version\": %u\n", cfs_status.clinfo_version); | |
357 | } | |
358 | ||
359 | g_string_append_printf(str,"}\n"); | |
360 | ||
89fde9ac | 361 | g_mutex_unlock (&mutex); |
fe000966 DM |
362 | |
363 | return 0; | |
364 | } | |
365 | ||
366 | static void | |
367 | kventry_free(kventry_t *entry) | |
368 | { | |
369 | g_return_if_fail(entry != NULL); | |
370 | ||
371 | g_free(entry->key); | |
372 | g_free(entry->data); | |
373 | g_free(entry); | |
374 | } | |
375 | ||
376 | static GHashTable * | |
377 | kventry_hash_new(void) | |
378 | { | |
379 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
380 | (GDestroyNotify)kventry_free); | |
381 | } | |
382 | ||
383 | static void | |
384 | rrdentry_free(rrdentry_t *entry) | |
385 | { | |
386 | g_return_if_fail(entry != NULL); | |
387 | ||
388 | g_free(entry->key); | |
389 | g_free(entry->data); | |
390 | g_free(entry); | |
391 | } | |
392 | ||
393 | static GHashTable * | |
394 | rrdentry_hash_new(void) | |
395 | { | |
396 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
397 | (GDestroyNotify)rrdentry_free); | |
398 | } | |
399 | ||
400 | void | |
401 | cfs_cluster_log_dump(GString *str, const char *user, guint max_entries) | |
402 | { | |
403 | clusterlog_dump(cfs_status.clusterlog, str, user, max_entries); | |
404 | } | |
405 | ||
406 | void | |
407 | cfs_cluster_log(clog_entry_t *entry) | |
408 | { | |
409 | g_return_if_fail(entry != NULL); | |
410 | ||
411 | clusterlog_insert(cfs_status.clusterlog, entry); | |
412 | ||
413 | if (cfs_status.kvstore) { | |
414 | struct iovec iov[1]; | |
415 | iov[0].iov_base = (char *)entry; | |
416 | iov[0].iov_len = clog_entry_size(entry); | |
417 | ||
af2e9dd4 DM |
418 | if (dfsm_is_initialized(cfs_status.kvstore)) |
419 | dfsm_send_message(cfs_status.kvstore, KVSTORE_MESSAGE_LOG, iov, 1); | |
fe000966 DM |
420 | } |
421 | } | |
422 | ||
423 | void cfs_status_init(void) | |
424 | { | |
89fde9ac | 425 | g_mutex_lock (&mutex); |
fe000966 DM |
426 | |
427 | cfs_status.start_time = time(NULL); | |
428 | ||
429 | cfs_status.vmlist = vmlist_hash_new(); | |
430 | ||
431 | cfs_status.kvhash = kventry_hash_new(); | |
432 | ||
433 | cfs_status.rrdhash = rrdentry_hash_new(); | |
434 | ||
435 | cfs_status.iphash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free); | |
436 | ||
437 | cfs_status.memdb_changes = g_hash_table_new(g_str_hash, g_str_equal); | |
438 | ||
439 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
440 | g_hash_table_replace(cfs_status.memdb_changes, | |
441 | memdb_change_array[i].path, | |
442 | &memdb_change_array[i]); | |
443 | } | |
444 | ||
445 | cfs_status.clusterlog = clusterlog_new(); | |
446 | ||
447 | // fixme: | |
448 | clusterlog_add(cfs_status.clusterlog, "root", "cluster", getpid(), | |
449 | LOG_INFO, "starting cluster log"); | |
450 | ||
89fde9ac | 451 | g_mutex_unlock (&mutex); |
fe000966 DM |
452 | } |
453 | ||
454 | void cfs_status_cleanup(void) | |
455 | { | |
89fde9ac | 456 | g_mutex_lock (&mutex); |
fe000966 DM |
457 | |
458 | cfs_status.clinfo_version++; | |
459 | ||
460 | if (cfs_status.clinfo) { | |
461 | cfs_clinfo_destroy(cfs_status.clinfo); | |
462 | cfs_status.clinfo = NULL; | |
463 | } | |
464 | ||
465 | if (cfs_status.vmlist) { | |
466 | g_hash_table_destroy(cfs_status.vmlist); | |
467 | cfs_status.vmlist = NULL; | |
468 | } | |
469 | ||
470 | if (cfs_status.kvhash) { | |
471 | g_hash_table_destroy(cfs_status.kvhash); | |
472 | cfs_status.kvhash = NULL; | |
473 | } | |
474 | ||
475 | if (cfs_status.rrdhash) { | |
476 | g_hash_table_destroy(cfs_status.rrdhash); | |
477 | cfs_status.rrdhash = NULL; | |
478 | } | |
479 | ||
480 | if (cfs_status.iphash) { | |
481 | g_hash_table_destroy(cfs_status.iphash); | |
482 | cfs_status.iphash = NULL; | |
483 | } | |
484 | ||
485 | if (cfs_status.clusterlog) | |
486 | clusterlog_destroy(cfs_status.clusterlog); | |
487 | ||
89fde9ac | 488 | g_mutex_unlock (&mutex); |
fe000966 DM |
489 | } |
490 | ||
491 | void cfs_status_set_clinfo( | |
492 | cfs_clinfo_t *clinfo) | |
493 | { | |
494 | g_return_if_fail(clinfo != NULL); | |
495 | ||
89fde9ac | 496 | g_mutex_lock (&mutex); |
fe000966 DM |
497 | |
498 | cfs_status.clinfo_version++; | |
499 | ||
500 | cfs_clinfo_t *old = cfs_status.clinfo; | |
501 | ||
502 | cfs_status.clinfo = clinfo; | |
503 | ||
504 | cfs_message("update cluster info (cluster name %s, version = %d)", | |
505 | clinfo->cluster_name, clinfo->cman_version); | |
506 | ||
507 | ||
508 | if (old && old->nodes_byid && clinfo->nodes_byid) { | |
509 | /* copy kvstore */ | |
510 | GHashTable *ht = clinfo->nodes_byid; | |
511 | GHashTableIter iter; | |
512 | gpointer key, value; | |
513 | ||
514 | g_hash_table_iter_init (&iter, ht); | |
515 | ||
516 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
517 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
518 | cfs_clnode_t *oldnode; | |
469d3acb | 519 | if ((oldnode = g_hash_table_lookup(old->nodes_byid, key))) { |
fe000966 DM |
520 | node->online = oldnode->online; |
521 | node->kvhash = oldnode->kvhash; | |
522 | oldnode->kvhash = NULL; | |
523 | } | |
524 | } | |
525 | ||
526 | } | |
527 | ||
528 | if (old) | |
529 | cfs_clinfo_destroy(old); | |
530 | ||
531 | ||
89fde9ac | 532 | g_mutex_unlock (&mutex); |
fe000966 DM |
533 | } |
534 | ||
535 | static void | |
536 | dump_kvstore_versions( | |
537 | GString *str, | |
538 | GHashTable *kvhash, | |
539 | const char *nodename) | |
540 | { | |
541 | g_return_if_fail(kvhash != NULL); | |
542 | g_return_if_fail(str != NULL); | |
543 | g_return_if_fail(nodename != NULL); | |
544 | ||
545 | GHashTable *ht = kvhash; | |
546 | GHashTableIter iter; | |
547 | gpointer key, value; | |
548 | ||
549 | g_string_append_printf(str, "\"%s\": {\n", nodename); | |
550 | ||
551 | g_hash_table_iter_init (&iter, ht); | |
552 | ||
553 | int i = 0; | |
554 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
555 | kventry_t *entry = (kventry_t *)value; | |
556 | if (i) g_string_append_printf(str, ",\n"); | |
557 | i++; | |
558 | g_string_append_printf(str,"\"%s\": %u", entry->key, entry->version); | |
559 | } | |
560 | ||
561 | g_string_append_printf(str, "}\n"); | |
562 | } | |
563 | ||
564 | int | |
565 | cfs_create_version_msg(GString *str) | |
566 | { | |
567 | g_return_val_if_fail(str != NULL, -EINVAL); | |
568 | ||
89fde9ac | 569 | g_mutex_lock (&mutex); |
fe000966 DM |
570 | |
571 | g_string_append_printf(str,"{\n"); | |
572 | ||
573 | g_string_append_printf(str, "\"starttime\": %lu,\n", (unsigned long)cfs_status.start_time); | |
574 | ||
575 | g_string_append_printf(str, "\"clinfo\": %u,\n", cfs_status.clinfo_version); | |
576 | ||
577 | g_string_append_printf(str, "\"vmlist\": %u,\n", cfs_status.vmlist_version); | |
578 | ||
579 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
580 | g_string_append_printf(str, "\"%s\": %u,\n", | |
581 | memdb_change_array[i].path, | |
582 | memdb_change_array[i].version); | |
583 | } | |
584 | ||
585 | g_string_append_printf(str, "\"kvstore\": {\n"); | |
586 | ||
587 | dump_kvstore_versions(str, cfs_status.kvhash, cfs.nodename); | |
588 | ||
589 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
590 | ||
591 | if (clinfo && clinfo->nodes_byid) { | |
592 | GHashTable *ht = clinfo->nodes_byid; | |
593 | GHashTableIter iter; | |
594 | gpointer key, value; | |
595 | ||
596 | g_hash_table_iter_init (&iter, ht); | |
597 | ||
598 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
599 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
600 | if (!node->kvhash) | |
601 | continue; | |
602 | g_string_append_printf(str, ",\n"); | |
603 | dump_kvstore_versions(str, node->kvhash, node->name); | |
604 | } | |
605 | } | |
606 | ||
607 | g_string_append_printf(str,"}\n"); | |
608 | ||
609 | g_string_append_printf(str,"}\n"); | |
610 | ||
89fde9ac | 611 | g_mutex_unlock (&mutex); |
fe000966 DM |
612 | |
613 | return 0; | |
614 | } | |
615 | ||
616 | GHashTable * | |
617 | vmlist_hash_new(void) | |
618 | { | |
619 | return g_hash_table_new_full(g_int_hash, g_int_equal, NULL, | |
620 | (GDestroyNotify)vminfo_free); | |
621 | } | |
622 | ||
623 | gboolean | |
624 | vmlist_hash_insert_vm( | |
625 | GHashTable *vmlist, | |
626 | int vmtype, | |
627 | guint32 vmid, | |
628 | const char *nodename, | |
629 | gboolean replace) | |
630 | { | |
631 | g_return_val_if_fail(vmlist != NULL, FALSE); | |
632 | g_return_val_if_fail(nodename != NULL, FALSE); | |
633 | g_return_val_if_fail(vmid != 0, FALSE); | |
7f66b436 DM |
634 | g_return_val_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
635 | vmtype == VMTYPE_LXC, FALSE); | |
fe000966 DM |
636 | |
637 | if (!replace && g_hash_table_lookup(vmlist, &vmid)) { | |
638 | cfs_critical("detected duplicate VMID %d", vmid); | |
639 | return FALSE; | |
640 | } | |
641 | ||
642 | vminfo_t *vminfo = g_new0(vminfo_t, 1); | |
643 | ||
644 | vminfo->vmid = vmid; | |
645 | vminfo->vmtype = vmtype; | |
646 | vminfo->nodename = g_strdup(nodename); | |
647 | ||
648 | vminfo->version = ++vminfo_version_counter; | |
649 | ||
650 | g_hash_table_replace(vmlist, &vminfo->vmid, vminfo); | |
651 | ||
652 | return TRUE; | |
653 | } | |
654 | ||
655 | void | |
656 | vmlist_register_vm( | |
657 | int vmtype, | |
658 | guint32 vmid, | |
659 | const char *nodename) | |
660 | { | |
661 | g_return_if_fail(cfs_status.vmlist != NULL); | |
662 | g_return_if_fail(nodename != NULL); | |
663 | g_return_if_fail(vmid != 0); | |
7f66b436 DM |
664 | g_return_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
665 | vmtype == VMTYPE_LXC); | |
fe000966 DM |
666 | |
667 | cfs_debug("vmlist_register_vm: %s/%u %d", nodename, vmid, vmtype); | |
668 | ||
89fde9ac | 669 | g_mutex_lock (&mutex); |
fe000966 DM |
670 | |
671 | cfs_status.vmlist_version++; | |
672 | ||
673 | vmlist_hash_insert_vm(cfs_status.vmlist, vmtype, vmid, nodename, TRUE); | |
674 | ||
89fde9ac | 675 | g_mutex_unlock (&mutex); |
fe000966 DM |
676 | } |
677 | ||
678 | gboolean | |
679 | vmlist_different_vm_exists( | |
680 | int vmtype, | |
681 | guint32 vmid, | |
682 | const char *nodename) | |
683 | { | |
684 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
685 | g_return_val_if_fail(vmid != 0, FALSE); | |
686 | ||
687 | gboolean res = FALSE; | |
688 | ||
89fde9ac | 689 | g_mutex_lock (&mutex); |
fe000966 DM |
690 | |
691 | vminfo_t *vminfo; | |
692 | if ((vminfo = (vminfo_t *)g_hash_table_lookup(cfs_status.vmlist, &vmid))) { | |
693 | if (!(vminfo->vmtype == vmtype && strcmp(vminfo->nodename, nodename) == 0)) | |
694 | res = TRUE; | |
695 | } | |
89fde9ac | 696 | g_mutex_unlock (&mutex); |
fe000966 DM |
697 | |
698 | return res; | |
699 | } | |
700 | ||
701 | gboolean | |
702 | vmlist_vm_exists( | |
703 | guint32 vmid) | |
704 | { | |
705 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
706 | g_return_val_if_fail(vmid != 0, FALSE); | |
707 | ||
89fde9ac | 708 | g_mutex_lock (&mutex); |
fe000966 DM |
709 | |
710 | gpointer res = g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
711 | ||
89fde9ac | 712 | g_mutex_unlock (&mutex); |
fe000966 DM |
713 | |
714 | return res != NULL; | |
715 | } | |
716 | ||
717 | void | |
718 | vmlist_delete_vm( | |
719 | guint32 vmid) | |
720 | { | |
721 | g_return_if_fail(cfs_status.vmlist != NULL); | |
722 | g_return_if_fail(vmid != 0); | |
723 | ||
89fde9ac | 724 | g_mutex_lock (&mutex); |
fe000966 DM |
725 | |
726 | cfs_status.vmlist_version++; | |
727 | ||
728 | g_hash_table_remove(cfs_status.vmlist, &vmid); | |
729 | ||
89fde9ac | 730 | g_mutex_unlock (&mutex); |
fe000966 DM |
731 | } |
732 | ||
733 | void cfs_status_set_vmlist( | |
734 | GHashTable *vmlist) | |
735 | { | |
736 | g_return_if_fail(vmlist != NULL); | |
737 | ||
89fde9ac | 738 | g_mutex_lock (&mutex); |
fe000966 DM |
739 | |
740 | cfs_status.vmlist_version++; | |
741 | ||
742 | if (cfs_status.vmlist) | |
743 | g_hash_table_destroy(cfs_status.vmlist); | |
744 | ||
745 | cfs_status.vmlist = vmlist; | |
746 | ||
89fde9ac | 747 | g_mutex_unlock (&mutex); |
fe000966 DM |
748 | } |
749 | ||
750 | int | |
751 | cfs_create_vmlist_msg(GString *str) | |
752 | { | |
753 | g_return_val_if_fail(cfs_status.vmlist != NULL, -EINVAL); | |
754 | g_return_val_if_fail(str != NULL, -EINVAL); | |
755 | ||
89fde9ac | 756 | g_mutex_lock (&mutex); |
fe000966 DM |
757 | |
758 | g_string_append_printf(str,"{\n"); | |
759 | ||
760 | GHashTable *ht = cfs_status.vmlist; | |
761 | ||
762 | guint count = g_hash_table_size(ht); | |
763 | ||
764 | if (!count) { | |
765 | g_string_append_printf(str,"\"version\": %u\n", cfs_status.vmlist_version); | |
766 | } else { | |
767 | g_string_append_printf(str,"\"version\": %u,\n", cfs_status.vmlist_version); | |
768 | ||
769 | g_string_append_printf(str,"\"ids\": {\n"); | |
770 | ||
771 | GHashTableIter iter; | |
772 | gpointer key, value; | |
773 | ||
774 | g_hash_table_iter_init (&iter, ht); | |
775 | ||
776 | int first = 1; | |
777 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
778 | vminfo_t *vminfo = (vminfo_t *)value; | |
c26ca647 | 779 | const char *type = vminfo_type_to_string(vminfo); |
fe000966 DM |
780 | |
781 | if (!first) | |
782 | g_string_append_printf(str, ",\n"); | |
783 | first = 0; | |
784 | ||
785 | g_string_append_printf(str,"\"%u\": { \"node\": \"%s\", \"type\": \"%s\", \"version\": %u }", | |
786 | vminfo->vmid, vminfo->nodename, type, vminfo->version); | |
787 | } | |
788 | ||
789 | g_string_append_printf(str,"}\n"); | |
790 | } | |
791 | g_string_append_printf(str,"\n}\n"); | |
792 | ||
89fde9ac | 793 | g_mutex_unlock (&mutex); |
fe000966 DM |
794 | |
795 | return 0; | |
796 | } | |
797 | ||
cf1b19d9 TL |
798 | // checks the conf for a line starting with '$prop:' and returns the value |
799 | // afterwards, whitout initial whitespace(s), we only deal with the format | |
800 | // restricion imposed by our perl VM config parser, main reference is | |
801 | // PVE::QemuServer::parse_vm_config this allows to be very fast and still | |
802 | // relatively simple | |
803 | // main restrictions used for our advantage is the properties match reges: | |
804 | // ($line =~ m/^([a-z][a-z_]*\d*):\s*(.+?)\s*$/) from parse_vm_config | |
805 | // currently we only look at the current configuration in place, i.e., *no* | |
806 | // snapshort and *no* pending changes | |
807 | static char * | |
5c86492f | 808 | _get_property_value(char *conf, int conf_size, const char *prop, int prop_len) |
cf1b19d9 | 809 | { |
217a9463 | 810 | const char *const conf_end = conf + conf_size; |
5c86492f | 811 | char *line = conf; |
217a9463 | 812 | size_t remaining_size; |
5c86492f TL |
813 | |
814 | char *next_newline = memchr(conf, '\n', conf_size); | |
815 | if (next_newline == NULL) { | |
816 | return NULL; // valid property lines end with \n, but none in the config | |
817 | } | |
818 | *next_newline = '\0'; | |
cf1b19d9 | 819 | |
cf1b19d9 TL |
820 | while (line != NULL) { |
821 | if (!line[0]) goto next; | |
822 | ||
5c86492f | 823 | // snapshot or pending section start, but nothing found yet -> not found |
cf1b19d9 TL |
824 | if (line[0] == '[') return NULL; |
825 | // properties start with /^[a-z]/, so continue early if not | |
826 | if (line[0] < 'a' || line[0] > 'z') goto next; | |
827 | ||
828 | int line_len = strlen(line); | |
829 | if (line_len <= prop_len + 1) goto next; | |
830 | ||
831 | if (line[prop_len] == ':' && memcmp(line, prop, prop_len) == 0) { // found | |
832 | char *v_start = &line[prop_len + 1]; | |
833 | ||
834 | // drop initial value whitespaces here already | |
835 | while (*v_start && isspace(*v_start)) v_start++; | |
836 | ||
837 | if (!*v_start) return NULL; | |
838 | ||
839 | char *v_end = &line[line_len - 1]; | |
840 | while (v_end > v_start && isspace(*v_end)) v_end--; | |
841 | v_end[1] = '\0'; | |
842 | ||
843 | return v_start; | |
844 | } | |
845 | next: | |
217a9463 WB |
846 | line = next_newline + 1; |
847 | remaining_size = conf_end - line; | |
848 | if (remaining_size <= prop_len) { | |
5c86492f TL |
849 | return NULL; |
850 | } | |
5c86492f TL |
851 | next_newline = memchr(line, '\n', remaining_size); |
852 | if (next_newline == NULL) { | |
853 | return NULL; // valid property lines end with \n, but none in the config | |
854 | } | |
855 | *next_newline = '\0'; | |
cf1b19d9 TL |
856 | } |
857 | ||
858 | return NULL; // not found | |
859 | } | |
860 | ||
cb7cea80 TL |
861 | static void |
862 | _g_str_append_kv_jsonescaped(GString *str, const char *k, const char *v) | |
863 | { | |
864 | g_string_append_printf(str, "\"%s\": \"", k); | |
865 | ||
866 | for (; *v; v++) { | |
867 | if (*v == '\\' || *v == '"') { | |
868 | g_string_append_c(str, '\\'); | |
869 | } | |
870 | g_string_append_c(str, *v); | |
871 | } | |
872 | ||
873 | g_string_append_c(str, '"'); | |
874 | } | |
875 | ||
cf1b19d9 TL |
876 | int |
877 | cfs_create_guest_conf_property_msg(GString *str, memdb_t *memdb, const char *prop, uint32_t vmid) | |
878 | { | |
879 | g_return_val_if_fail(cfs_status.vmlist != NULL, -EINVAL); | |
880 | g_return_val_if_fail(str != NULL, -EINVAL); | |
881 | ||
882 | int prop_len = strlen(prop); | |
883 | int res = 0; | |
884 | GString *path = NULL; | |
885 | ||
886 | g_mutex_lock (&mutex); | |
887 | ||
888 | g_string_printf(str,"{\n"); | |
889 | ||
890 | GHashTable *ht = cfs_status.vmlist; | |
891 | gpointer tmp = NULL; | |
892 | if (!g_hash_table_size(ht)) { | |
893 | goto ret; | |
894 | } | |
895 | ||
5b17ee16 | 896 | path = g_string_sized_new(256); |
cf1b19d9 TL |
897 | if (vmid >= 100) { |
898 | vminfo_t *vminfo = (vminfo_t *) g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
899 | if (vminfo == NULL) goto enoent; | |
900 | ||
901 | if (!vminfo_to_path(vminfo, path)) goto err; | |
902 | ||
903 | int size = memdb_read(memdb, path->str, &tmp); | |
904 | if (tmp == NULL) goto err; | |
905 | if (size <= prop_len) goto ret; | |
906 | ||
5c86492f | 907 | char *val = _get_property_value(tmp, size, prop, prop_len); |
cf1b19d9 TL |
908 | if (val == NULL) goto ret; |
909 | ||
cb7cea80 TL |
910 | g_string_append_printf(str, "\"%u\":{", vmid); |
911 | _g_str_append_kv_jsonescaped(str, prop, val); | |
912 | g_string_append_c(str, '}'); | |
cf1b19d9 TL |
913 | |
914 | } else { | |
915 | GHashTableIter iter; | |
916 | g_hash_table_iter_init (&iter, ht); | |
917 | ||
918 | gpointer key, value; | |
919 | int first = 1; | |
920 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
921 | vminfo_t *vminfo = (vminfo_t *)value; | |
922 | ||
923 | if (!vminfo_to_path(vminfo, path)) goto err; | |
924 | ||
925 | g_free(tmp); // no-op if already null | |
926 | tmp = NULL; | |
927 | int size = memdb_read(memdb, path->str, &tmp); | |
928 | if (tmp == NULL || size <= prop_len) continue; | |
929 | ||
5c86492f | 930 | char *val = _get_property_value(tmp, size, prop, prop_len); |
cf1b19d9 TL |
931 | if (val == NULL) continue; |
932 | ||
933 | if (!first) g_string_append_printf(str, ",\n"); | |
934 | else first = 0; | |
935 | ||
cb7cea80 TL |
936 | g_string_append_printf(str, "\"%u\":{", vminfo->vmid); |
937 | _g_str_append_kv_jsonescaped(str, prop, val); | |
938 | g_string_append_c(str, '}'); | |
cf1b19d9 TL |
939 | } |
940 | } | |
941 | ret: | |
942 | g_free(tmp); | |
3f1c7eb1 TL |
943 | if (path != NULL) { |
944 | g_string_free(path, TRUE); | |
945 | } | |
cf1b19d9 TL |
946 | g_string_append_printf(str,"\n}\n"); |
947 | g_mutex_unlock (&mutex); | |
948 | ||
949 | return res; | |
950 | err: | |
951 | res = -EIO; | |
952 | goto ret; | |
953 | enoent: | |
954 | res = -ENOENT; | |
955 | goto ret; | |
956 | } | |
957 | ||
fe000966 DM |
958 | void |
959 | record_memdb_change(const char *path) | |
960 | { | |
961 | g_return_if_fail(cfs_status.memdb_changes != 0); | |
962 | ||
963 | memdb_change_t *ce; | |
964 | ||
965 | if ((ce = (memdb_change_t *)g_hash_table_lookup(cfs_status.memdb_changes, path))) { | |
966 | ce->version++; | |
967 | } | |
968 | } | |
969 | ||
970 | void | |
971 | record_memdb_reload(void) | |
972 | { | |
973 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
974 | memdb_change_array[i].version++; | |
975 | } | |
976 | } | |
977 | ||
978 | static gboolean | |
979 | kventry_hash_set( | |
980 | GHashTable *kvhash, | |
981 | const char *key, | |
982 | gconstpointer data, | |
983 | size_t len) | |
984 | { | |
985 | g_return_val_if_fail(kvhash != NULL, FALSE); | |
986 | g_return_val_if_fail(key != NULL, FALSE); | |
987 | g_return_val_if_fail(data != NULL, FALSE); | |
988 | ||
989 | kventry_t *entry; | |
71cc17bc DC |
990 | if (!len) { |
991 | g_hash_table_remove(kvhash, key); | |
992 | } else if ((entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
fe000966 DM |
993 | g_free(entry->data); |
994 | entry->data = g_memdup(data, len); | |
995 | entry->len = len; | |
996 | entry->version++; | |
997 | } else { | |
998 | kventry_t *entry = g_new0(kventry_t, 1); | |
999 | ||
1000 | entry->key = g_strdup(key); | |
1001 | entry->data = g_memdup(data, len); | |
1002 | entry->len = len; | |
1003 | ||
1004 | g_hash_table_replace(kvhash, entry->key, entry); | |
1005 | } | |
1006 | ||
1007 | return TRUE; | |
1008 | } | |
1009 | ||
1010 | static const char *rrd_def_node[] = { | |
1011 | "DS:loadavg:GAUGE:120:0:U", | |
1012 | "DS:maxcpu:GAUGE:120:0:U", | |
1013 | "DS:cpu:GAUGE:120:0:U", | |
1014 | "DS:iowait:GAUGE:120:0:U", | |
1015 | "DS:memtotal:GAUGE:120:0:U", | |
1016 | "DS:memused:GAUGE:120:0:U", | |
1017 | "DS:swaptotal:GAUGE:120:0:U", | |
1018 | "DS:swapused:GAUGE:120:0:U", | |
1019 | "DS:roottotal:GAUGE:120:0:U", | |
1020 | "DS:rootused:GAUGE:120:0:U", | |
764296f1 DM |
1021 | "DS:netin:DERIVE:120:0:U", |
1022 | "DS:netout:DERIVE:120:0:U", | |
fe000966 DM |
1023 | |
1024 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1025 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1026 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1027 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1028 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1029 | ||
1030 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1031 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1032 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1033 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1034 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1035 | NULL, | |
1036 | }; | |
1037 | ||
1038 | static const char *rrd_def_vm[] = { | |
1039 | "DS:maxcpu:GAUGE:120:0:U", | |
1040 | "DS:cpu:GAUGE:120:0:U", | |
1041 | "DS:maxmem:GAUGE:120:0:U", | |
1042 | "DS:mem:GAUGE:120:0:U", | |
1043 | "DS:maxdisk:GAUGE:120:0:U", | |
1044 | "DS:disk:GAUGE:120:0:U", | |
764296f1 DM |
1045 | "DS:netin:DERIVE:120:0:U", |
1046 | "DS:netout:DERIVE:120:0:U", | |
1047 | "DS:diskread:DERIVE:120:0:U", | |
1048 | "DS:diskwrite:DERIVE:120:0:U", | |
fe000966 DM |
1049 | |
1050 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1051 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1052 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1053 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1054 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1055 | ||
1056 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1057 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1058 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1059 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1060 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1061 | NULL, | |
1062 | }; | |
1063 | ||
1064 | static const char *rrd_def_storage[] = { | |
1065 | "DS:total:GAUGE:120:0:U", | |
1066 | "DS:used:GAUGE:120:0:U", | |
1067 | ||
1068 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1069 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1070 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1071 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1072 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1073 | ||
1074 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1075 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1076 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1077 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1078 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1079 | NULL, | |
1080 | }; | |
1081 | ||
1082 | #define RRDDIR "/var/lib/rrdcached/db" | |
1083 | ||
1084 | static void | |
1085 | create_rrd_file( | |
1086 | const char *filename, | |
1087 | int argcount, | |
1088 | const char *rrddef[]) | |
1089 | { | |
1090 | /* start at day boundary */ | |
1091 | time_t ctime; | |
1092 | time(&ctime); | |
1093 | struct tm *ltm = localtime(&ctime); | |
1094 | ltm->tm_sec = 0; | |
1095 | ltm->tm_min = 0; | |
1096 | ltm->tm_hour = 0; | |
1097 | ||
1098 | rrd_clear_error(); | |
1099 | if (rrd_create_r(filename, 60, timelocal(ltm), argcount, rrddef)) { | |
1100 | cfs_message("RRD create error %s: %s", filename, rrd_get_error()); | |
1101 | } | |
1102 | } | |
1103 | ||
1104 | static inline const char * | |
1105 | rrd_skip_data( | |
1106 | const char *data, | |
1107 | int count) | |
1108 | { | |
1109 | int found = 0; | |
1110 | while (*data && found < count) { | |
1111 | if (*data++ == ':') | |
1112 | found++; | |
1113 | } | |
1114 | return data; | |
1115 | } | |
1116 | ||
1117 | static void | |
1118 | update_rrd_data( | |
1119 | const char *key, | |
1120 | gconstpointer data, | |
1121 | size_t len) | |
1122 | { | |
1123 | g_return_if_fail(key != NULL); | |
1124 | g_return_if_fail(data != NULL); | |
1125 | g_return_if_fail(len > 0); | |
1126 | g_return_if_fail(len < 4096); | |
1127 | ||
1128 | static const char *rrdcsock = "unix:/var/run/rrdcached.sock"; | |
1129 | ||
1130 | int use_daemon = 1; | |
1131 | if (rrdc_connect(rrdcsock) != 0) | |
1132 | use_daemon = 0; | |
1133 | ||
ba9dcfc1 | 1134 | char *filename = NULL; |
fe000966 DM |
1135 | |
1136 | int skip = 0; | |
1137 | ||
1138 | if (strncmp(key, "pve2-node/", 10) == 0) { | |
1139 | const char *node = key + 10; | |
1140 | ||
f9c865a8 | 1141 | skip = 2; |
fe000966 DM |
1142 | |
1143 | if (strchr(node, '/') != NULL) | |
1144 | goto keyerror; | |
1145 | ||
1146 | if (strlen(node) < 1) | |
1147 | goto keyerror; | |
1148 | ||
ba9dcfc1 DM |
1149 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1150 | ||
fe000966 DM |
1151 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1152 | ||
1153 | mkdir(RRDDIR "/pve2-node", 0755); | |
1154 | int argcount = sizeof(rrd_def_node)/sizeof(void*) - 1; | |
1155 | create_rrd_file(filename, argcount, rrd_def_node); | |
1156 | } | |
1157 | ||
ba9dcfc1 DM |
1158 | } else if ((strncmp(key, "pve2-vm/", 8) == 0) || |
1159 | (strncmp(key, "pve2.3-vm/", 10) == 0)) { | |
1160 | const char *vmid; | |
fe000966 | 1161 | |
ba9dcfc1 DM |
1162 | if (strncmp(key, "pve2-vm/", 8) == 0) { |
1163 | vmid = key + 8; | |
1164 | skip = 2; | |
1165 | } else { | |
1166 | vmid = key + 10; | |
94e4cba3 | 1167 | skip = 4; |
ba9dcfc1 | 1168 | } |
fe000966 DM |
1169 | |
1170 | if (strchr(vmid, '/') != NULL) | |
1171 | goto keyerror; | |
1172 | ||
1173 | if (strlen(vmid) < 1) | |
1174 | goto keyerror; | |
1175 | ||
ba9dcfc1 DM |
1176 | filename = g_strdup_printf(RRDDIR "/%s/%s", "pve2-vm", vmid); |
1177 | ||
fe000966 DM |
1178 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1179 | ||
1180 | mkdir(RRDDIR "/pve2-vm", 0755); | |
1181 | int argcount = sizeof(rrd_def_vm)/sizeof(void*) - 1; | |
1182 | create_rrd_file(filename, argcount, rrd_def_vm); | |
1183 | } | |
1184 | ||
1185 | } else if (strncmp(key, "pve2-storage/", 13) == 0) { | |
1186 | const char *node = key + 13; | |
1187 | ||
1188 | const char *storage = node; | |
1189 | while (*storage && *storage != '/') | |
1190 | storage++; | |
1191 | ||
1192 | if (*storage != '/' || ((storage - node) < 1)) | |
1193 | goto keyerror; | |
1194 | ||
1195 | storage++; | |
1196 | ||
1197 | if (strchr(storage, '/') != NULL) | |
1198 | goto keyerror; | |
1199 | ||
1200 | if (strlen(storage) < 1) | |
1201 | goto keyerror; | |
1202 | ||
ba9dcfc1 DM |
1203 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1204 | ||
fe000966 DM |
1205 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1206 | ||
1207 | mkdir(RRDDIR "/pve2-storage", 0755); | |
1208 | ||
1209 | char *dir = g_path_get_dirname(filename); | |
1210 | mkdir(dir, 0755); | |
1211 | g_free(dir); | |
1212 | ||
1213 | int argcount = sizeof(rrd_def_storage)/sizeof(void*) - 1; | |
1214 | create_rrd_file(filename, argcount, rrd_def_storage); | |
1215 | } | |
1216 | ||
1217 | } else { | |
1218 | goto keyerror; | |
1219 | } | |
1220 | ||
1221 | const char *dp = skip ? rrd_skip_data(data, skip) : data; | |
1222 | ||
1223 | const char *update_args[] = { dp, NULL }; | |
1224 | ||
1225 | if (use_daemon) { | |
1226 | int status; | |
1227 | if ((status = rrdc_update(filename, 1, update_args)) != 0) { | |
1228 | cfs_message("RRDC update error %s: %d", filename, status); | |
1229 | rrdc_disconnect(); | |
1230 | rrd_clear_error(); | |
1231 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1232 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1233 | } | |
1234 | } | |
1235 | ||
1236 | } else { | |
1237 | rrd_clear_error(); | |
1238 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1239 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1240 | } | |
1241 | } | |
1242 | ||
1243 | ret: | |
ba9dcfc1 DM |
1244 | if (filename) |
1245 | g_free(filename); | |
1246 | ||
fe000966 DM |
1247 | return; |
1248 | ||
1249 | keyerror: | |
1250 | cfs_critical("RRD update error: unknown/wrong key %s", key); | |
1251 | goto ret; | |
1252 | } | |
1253 | ||
1254 | static gboolean | |
1255 | rrd_entry_is_old( | |
1256 | gpointer key, | |
1257 | gpointer value, | |
1258 | gpointer user_data) | |
1259 | { | |
1260 | rrdentry_t *entry = (rrdentry_t *)value; | |
1261 | uint32_t ctime = GPOINTER_TO_UINT(user_data); | |
1262 | ||
1263 | int diff = ctime - entry->time; | |
1264 | ||
1265 | /* remove everything older than 5 minutes */ | |
1266 | int expire = 60*5; | |
1267 | ||
1268 | return (diff > expire) ? TRUE : FALSE; | |
1269 | } | |
1270 | ||
1271 | static char *rrd_dump_buf = NULL; | |
1272 | static time_t rrd_dump_last = 0; | |
1273 | ||
1274 | void | |
1275 | cfs_rrd_dump(GString *str) | |
1276 | { | |
1277 | time_t ctime; | |
fe000966 | 1278 | |
663896cf TL |
1279 | g_mutex_lock (&mutex); |
1280 | ||
1281 | time(&ctime); | |
fe000966 DM |
1282 | if (rrd_dump_buf && (ctime - rrd_dump_last) < 2) { |
1283 | g_string_assign(str, rrd_dump_buf); | |
663896cf | 1284 | g_mutex_unlock (&mutex); |
fe000966 DM |
1285 | return; |
1286 | } | |
1287 | ||
1288 | /* remove old data */ | |
1289 | g_hash_table_foreach_remove(cfs_status.rrdhash, rrd_entry_is_old, | |
1290 | GUINT_TO_POINTER(ctime)); | |
1291 | ||
1292 | g_string_set_size(str, 0); | |
1293 | ||
1294 | GHashTableIter iter; | |
1295 | gpointer key, value; | |
1296 | ||
1297 | g_hash_table_iter_init (&iter, cfs_status.rrdhash); | |
1298 | ||
1299 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1300 | rrdentry_t *entry = (rrdentry_t *)value; | |
1301 | g_string_append(str, key); | |
1302 | g_string_append(str, ":"); | |
1303 | g_string_append(str, entry->data); | |
1304 | g_string_append(str, "\n"); | |
1305 | } | |
1306 | ||
1307 | g_string_append_c(str, 0); // never return undef | |
1308 | ||
1309 | rrd_dump_last = ctime; | |
1310 | if (rrd_dump_buf) | |
1311 | g_free(rrd_dump_buf); | |
1312 | rrd_dump_buf = g_strdup(str->str); | |
663896cf TL |
1313 | |
1314 | g_mutex_unlock (&mutex); | |
fe000966 DM |
1315 | } |
1316 | ||
1317 | static gboolean | |
1318 | nodeip_hash_set( | |
1319 | GHashTable *iphash, | |
1320 | const char *nodename, | |
1321 | const char *ip, | |
1322 | size_t len) | |
1323 | { | |
1324 | g_return_val_if_fail(iphash != NULL, FALSE); | |
1325 | g_return_val_if_fail(nodename != NULL, FALSE); | |
1326 | g_return_val_if_fail(ip != NULL, FALSE); | |
1327 | g_return_val_if_fail(len > 0, FALSE); | |
1328 | g_return_val_if_fail(len < 256, FALSE); | |
1329 | g_return_val_if_fail(ip[len-1] == 0, FALSE); | |
1330 | ||
1331 | char *oldip = (char *)g_hash_table_lookup(iphash, nodename); | |
1332 | ||
1333 | if (!oldip || (strcmp(oldip, ip) != 0)) { | |
1334 | cfs_status.clinfo_version++; | |
1335 | g_hash_table_replace(iphash, g_strdup(nodename), g_strdup(ip)); | |
1336 | } | |
1337 | ||
1338 | return TRUE; | |
1339 | } | |
1340 | ||
1341 | static gboolean | |
1342 | rrdentry_hash_set( | |
1343 | GHashTable *rrdhash, | |
1344 | const char *key, | |
1345 | const char *data, | |
1346 | size_t len) | |
1347 | { | |
1348 | g_return_val_if_fail(rrdhash != NULL, FALSE); | |
1349 | g_return_val_if_fail(key != NULL, FALSE); | |
1350 | g_return_val_if_fail(data != NULL, FALSE); | |
1351 | g_return_val_if_fail(len > 0, FALSE); | |
1352 | g_return_val_if_fail(len < 4096, FALSE); | |
1353 | g_return_val_if_fail(data[len-1] == 0, FALSE); | |
1354 | ||
1355 | rrdentry_t *entry; | |
1356 | if ((entry = (rrdentry_t *)g_hash_table_lookup(rrdhash, key))) { | |
1357 | g_free(entry->data); | |
1358 | entry->data = g_memdup(data, len); | |
1359 | entry->len = len; | |
1360 | entry->time = time(NULL); | |
1361 | } else { | |
1362 | rrdentry_t *entry = g_new0(rrdentry_t, 1); | |
1363 | ||
1364 | entry->key = g_strdup(key); | |
1365 | entry->data = g_memdup(data, len); | |
1366 | entry->len = len; | |
1367 | entry->time = time(NULL); | |
1368 | ||
1369 | g_hash_table_replace(rrdhash, entry->key, entry); | |
1370 | } | |
1371 | ||
1372 | update_rrd_data(key, data, len); | |
1373 | ||
1374 | return TRUE; | |
1375 | } | |
1376 | ||
1377 | static int | |
1378 | kvstore_send_update_message( | |
1379 | dfsm_t *dfsm, | |
1380 | const char *key, | |
1381 | gpointer data, | |
1382 | guint32 len) | |
1383 | { | |
af2e9dd4 DM |
1384 | if (!dfsm_is_initialized(dfsm)) |
1385 | return -EACCES; | |
fe000966 DM |
1386 | |
1387 | struct iovec iov[2]; | |
1388 | ||
1389 | char name[256]; | |
1390 | g_strlcpy(name, key, sizeof(name)); | |
1391 | ||
1392 | iov[0].iov_base = &name; | |
1393 | iov[0].iov_len = sizeof(name); | |
1394 | ||
1395 | iov[1].iov_base = (char *)data; | |
1396 | iov[1].iov_len = len; | |
1397 | ||
1398 | if (dfsm_send_message(dfsm, KVSTORE_MESSAGE_UPDATE, iov, 2) == CS_OK) | |
1399 | return 0; | |
1400 | ||
1401 | return -EACCES; | |
1402 | } | |
1403 | ||
1404 | static clog_entry_t * | |
1405 | kvstore_parse_log_message( | |
1406 | const void *msg, | |
1407 | size_t msg_len) | |
1408 | { | |
1409 | g_return_val_if_fail(msg != NULL, NULL); | |
1410 | ||
1411 | if (msg_len < sizeof(clog_entry_t)) { | |
e5a5a3ea | 1412 | cfs_critical("received short log message (%zu < %zu)", msg_len, sizeof(clog_entry_t)); |
fe000966 DM |
1413 | return NULL; |
1414 | } | |
1415 | ||
1416 | clog_entry_t *entry = (clog_entry_t *)msg; | |
1417 | ||
1418 | uint32_t size = sizeof(clog_entry_t) + entry->node_len + | |
1419 | entry->ident_len + entry->tag_len + entry->msg_len; | |
1420 | ||
1421 | if (msg_len != size) { | |
e5a5a3ea | 1422 | cfs_critical("received log message with wrong size (%zu != %u)", msg_len, size); |
fe000966 DM |
1423 | return NULL; |
1424 | } | |
1425 | ||
ce669d14 | 1426 | char *msgptr = entry->data; |
fe000966 | 1427 | |
ce669d14 | 1428 | if (*((char *)msgptr + entry->node_len - 1)) { |
fe000966 DM |
1429 | cfs_critical("unterminated string in log message"); |
1430 | return NULL; | |
1431 | } | |
ce669d14 | 1432 | msgptr += entry->node_len; |
fe000966 | 1433 | |
ce669d14 | 1434 | if (*((char *)msgptr + entry->ident_len - 1)) { |
fe000966 DM |
1435 | cfs_critical("unterminated string in log message"); |
1436 | return NULL; | |
1437 | } | |
ce669d14 | 1438 | msgptr += entry->ident_len; |
fe000966 | 1439 | |
ce669d14 | 1440 | if (*((char *)msgptr + entry->tag_len - 1)) { |
fe000966 DM |
1441 | cfs_critical("unterminated string in log message"); |
1442 | return NULL; | |
1443 | } | |
ce669d14 | 1444 | msgptr += entry->tag_len; |
fe000966 | 1445 | |
ce669d14 | 1446 | if (*((char *)msgptr + entry->msg_len - 1)) { |
fe000966 DM |
1447 | cfs_critical("unterminated string in log message"); |
1448 | return NULL; | |
1449 | } | |
1450 | ||
1451 | return entry; | |
1452 | } | |
1453 | ||
1454 | static gboolean | |
1455 | kvstore_parse_update_message( | |
1456 | const void *msg, | |
1457 | size_t msg_len, | |
1458 | const char **key, | |
1459 | gconstpointer *data, | |
1460 | guint32 *len) | |
1461 | { | |
1462 | g_return_val_if_fail(msg != NULL, FALSE); | |
1463 | g_return_val_if_fail(key != NULL, FALSE); | |
1464 | g_return_val_if_fail(data != NULL, FALSE); | |
1465 | g_return_val_if_fail(len != NULL, FALSE); | |
1466 | ||
1467 | if (msg_len < 256) { | |
e5a5a3ea | 1468 | cfs_critical("received short kvstore message (%zu < 256)", msg_len); |
fe000966 DM |
1469 | return FALSE; |
1470 | } | |
1471 | ||
1472 | /* test if key is null terminated */ | |
1473 | int i = 0; | |
1474 | for (i = 0; i < 256; i++) | |
1475 | if (((char *)msg)[i] == 0) | |
1476 | break; | |
1477 | ||
1478 | if (i == 256) | |
1479 | return FALSE; | |
1480 | ||
1481 | ||
1482 | *len = msg_len - 256; | |
1483 | *key = msg; | |
ce669d14 | 1484 | *data = (char *) msg + 256; |
fe000966 DM |
1485 | |
1486 | return TRUE; | |
1487 | } | |
1488 | ||
1489 | int | |
1490 | cfs_create_status_msg( | |
1491 | GString *str, | |
1492 | const char *nodename, | |
1493 | const char *key) | |
1494 | { | |
1495 | g_return_val_if_fail(str != NULL, -EINVAL); | |
1496 | g_return_val_if_fail(key != NULL, -EINVAL); | |
1497 | ||
1498 | int res = -ENOENT; | |
1499 | ||
1500 | GHashTable *kvhash = NULL; | |
1501 | ||
89fde9ac | 1502 | g_mutex_lock (&mutex); |
fe000966 DM |
1503 | |
1504 | if (!nodename || !nodename[0] || !strcmp(nodename, cfs.nodename)) { | |
1505 | kvhash = cfs_status.kvhash; | |
043bbd8f | 1506 | } else if (cfs_status.clinfo && cfs_status.clinfo->nodes_byname) { |
fe000966 DM |
1507 | cfs_clnode_t *clnode; |
1508 | if ((clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byname, nodename))) | |
1509 | kvhash = clnode->kvhash; | |
1510 | } | |
1511 | ||
1512 | kventry_t *entry; | |
1513 | if (kvhash && (entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
1514 | g_string_append_len(str, entry->data, entry->len); | |
1515 | res = 0; | |
1516 | } | |
1517 | ||
89fde9ac | 1518 | g_mutex_unlock (&mutex); |
fe000966 DM |
1519 | |
1520 | return res; | |
1521 | } | |
1522 | ||
1523 | int | |
1524 | cfs_status_set( | |
1525 | const char *key, | |
1526 | gpointer data, | |
1527 | size_t len) | |
1528 | { | |
1529 | g_return_val_if_fail(key != NULL, FALSE); | |
1530 | g_return_val_if_fail(data != NULL, FALSE); | |
1531 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1532 | ||
1533 | if (len > CFS_MAX_STATUS_SIZE) | |
1534 | return -EFBIG; | |
1535 | ||
89fde9ac | 1536 | g_mutex_lock (&mutex); |
fe000966 DM |
1537 | |
1538 | gboolean res; | |
1539 | ||
1540 | if (strncmp(key, "rrd/", 4) == 0) { | |
1541 | res = rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1542 | } else if (!strcmp(key, "nodeip")) { | |
1543 | res = nodeip_hash_set(cfs_status.iphash, cfs.nodename, data, len); | |
1544 | } else { | |
1545 | res = kventry_hash_set(cfs_status.kvhash, key, data, len); | |
1546 | } | |
89fde9ac | 1547 | g_mutex_unlock (&mutex); |
fe000966 DM |
1548 | |
1549 | if (cfs_status.kvstore) | |
1550 | kvstore_send_update_message(cfs_status.kvstore, key, data, len); | |
1551 | ||
1552 | return res ? 0 : -ENOMEM; | |
1553 | } | |
1554 | ||
1555 | gboolean | |
1556 | cfs_kvstore_node_set( | |
1557 | uint32_t nodeid, | |
1558 | const char *key, | |
1559 | gconstpointer data, | |
1560 | size_t len) | |
1561 | { | |
1562 | g_return_val_if_fail(nodeid != 0, FALSE); | |
1563 | g_return_val_if_fail(key != NULL, FALSE); | |
1564 | g_return_val_if_fail(data != NULL, FALSE); | |
1565 | ||
89fde9ac | 1566 | g_mutex_lock (&mutex); |
fe000966 DM |
1567 | |
1568 | if (!cfs_status.clinfo || !cfs_status.clinfo->nodes_byid) | |
1569 | goto ret; /* ignore */ | |
1570 | ||
1571 | cfs_clnode_t *clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byid, &nodeid); | |
1572 | if (!clnode) | |
1573 | goto ret; /* ignore */ | |
1574 | ||
1575 | cfs_debug("got node %d status update %s", nodeid, key); | |
1576 | ||
1577 | if (strncmp(key, "rrd/", 4) == 0) { | |
1578 | rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1579 | } else if (!strcmp(key, "nodeip")) { | |
1580 | nodeip_hash_set(cfs_status.iphash, clnode->name, data, len); | |
1581 | } else { | |
1582 | if (!clnode->kvhash) { | |
1583 | if (!(clnode->kvhash = kventry_hash_new())) { | |
1584 | goto ret; /*ignore */ | |
1585 | } | |
1586 | } | |
1587 | ||
1588 | kventry_hash_set(clnode->kvhash, key, data, len); | |
1589 | ||
1590 | } | |
1591 | ret: | |
89fde9ac | 1592 | g_mutex_unlock (&mutex); |
fe000966 DM |
1593 | |
1594 | return TRUE; | |
1595 | } | |
1596 | ||
1597 | static gboolean | |
1598 | cfs_kvstore_sync(void) | |
1599 | { | |
1600 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1601 | g_return_val_if_fail(cfs_status.kvstore != NULL, FALSE); | |
1602 | ||
1603 | gboolean res = TRUE; | |
1604 | ||
89fde9ac | 1605 | g_mutex_lock (&mutex); |
fe000966 DM |
1606 | |
1607 | GHashTable *ht = cfs_status.kvhash; | |
1608 | GHashTableIter iter; | |
1609 | gpointer key, value; | |
1610 | ||
1611 | g_hash_table_iter_init (&iter, ht); | |
1612 | ||
1613 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1614 | kventry_t *entry = (kventry_t *)value; | |
1615 | kvstore_send_update_message(cfs_status.kvstore, entry->key, entry->data, entry->len); | |
1616 | } | |
1617 | ||
89fde9ac | 1618 | g_mutex_unlock (&mutex); |
fe000966 DM |
1619 | |
1620 | return res; | |
1621 | } | |
1622 | ||
1623 | static int | |
1624 | dfsm_deliver( | |
1625 | dfsm_t *dfsm, | |
1626 | gpointer data, | |
1627 | int *res_ptr, | |
1628 | uint32_t nodeid, | |
1629 | uint32_t pid, | |
1630 | uint16_t msg_type, | |
1631 | uint32_t msg_time, | |
1632 | const void *msg, | |
1633 | size_t msg_len) | |
1634 | { | |
1635 | g_return_val_if_fail(dfsm != NULL, -1); | |
1636 | g_return_val_if_fail(msg != NULL, -1); | |
1637 | g_return_val_if_fail(res_ptr != NULL, -1); | |
1638 | ||
1639 | /* ignore message for ourself */ | |
1640 | if (dfsm_nodeid_is_local(dfsm, nodeid, pid)) | |
1641 | goto ret; | |
1642 | ||
1643 | if (msg_type == KVSTORE_MESSAGE_UPDATE) { | |
1644 | const char *key; | |
1645 | gconstpointer data; | |
1646 | guint32 len; | |
1647 | if (kvstore_parse_update_message(msg, msg_len, &key, &data, &len)) { | |
1648 | cfs_kvstore_node_set(nodeid, key, data, len); | |
1649 | } else { | |
1650 | cfs_critical("cant parse update message"); | |
1651 | } | |
1652 | } else if (msg_type == KVSTORE_MESSAGE_LOG) { | |
1653 | cfs_message("received log"); // fixme: remove | |
1654 | const clog_entry_t *entry; | |
1655 | if ((entry = kvstore_parse_log_message(msg, msg_len))) { | |
1656 | clusterlog_insert(cfs_status.clusterlog, entry); | |
1657 | } else { | |
1658 | cfs_critical("cant parse log message"); | |
1659 | } | |
1660 | } else { | |
1661 | cfs_critical("received unknown message type %d\n", msg_type); | |
1662 | goto fail; | |
1663 | } | |
1664 | ||
1665 | ret: | |
1666 | *res_ptr = 0; | |
1667 | return 1; | |
1668 | ||
1669 | fail: | |
1670 | *res_ptr = -EACCES; | |
1671 | return 1; | |
1672 | } | |
1673 | ||
1674 | static void | |
1675 | dfsm_confchg( | |
1676 | dfsm_t *dfsm, | |
1677 | gpointer data, | |
1678 | const struct cpg_address *member_list, | |
1679 | size_t member_list_entries) | |
1680 | { | |
1681 | g_return_if_fail(dfsm != NULL); | |
1682 | g_return_if_fail(member_list != NULL); | |
1683 | ||
1684 | cfs_debug("enter %s", __func__); | |
1685 | ||
89fde9ac | 1686 | g_mutex_lock (&mutex); |
fe000966 DM |
1687 | |
1688 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
1689 | ||
1690 | if (clinfo && clinfo->nodes_byid) { | |
1691 | ||
1692 | GHashTable *ht = clinfo->nodes_byid; | |
1693 | GHashTableIter iter; | |
1694 | gpointer key, value; | |
1695 | ||
1696 | g_hash_table_iter_init (&iter, ht); | |
1697 | ||
1698 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1699 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
1700 | node->online = FALSE; | |
1701 | } | |
1702 | ||
1703 | for (int i = 0; i < member_list_entries; i++) { | |
1704 | cfs_clnode_t *node; | |
1705 | if ((node = g_hash_table_lookup(clinfo->nodes_byid, &member_list[i].nodeid))) { | |
1706 | node->online = TRUE; | |
1707 | } | |
1708 | } | |
1709 | ||
1710 | cfs_status.clinfo_version++; | |
1711 | } | |
1712 | ||
89fde9ac | 1713 | g_mutex_unlock (&mutex); |
fe000966 DM |
1714 | } |
1715 | ||
1716 | static gpointer | |
1717 | dfsm_get_state( | |
1718 | dfsm_t *dfsm, | |
1719 | gpointer data, | |
1720 | unsigned int *res_len) | |
1721 | { | |
1722 | g_return_val_if_fail(dfsm != NULL, NULL); | |
1723 | ||
1724 | gpointer msg = clusterlog_get_state(cfs_status.clusterlog, res_len); | |
1725 | ||
1726 | return msg; | |
1727 | } | |
1728 | ||
1729 | static int | |
1730 | dfsm_process_update( | |
1731 | dfsm_t *dfsm, | |
1732 | gpointer data, | |
1733 | dfsm_sync_info_t *syncinfo, | |
1734 | uint32_t nodeid, | |
1735 | uint32_t pid, | |
1736 | const void *msg, | |
1737 | size_t msg_len) | |
1738 | { | |
1739 | cfs_critical("%s: received unexpected update message", __func__); | |
1740 | ||
1741 | return -1; | |
1742 | } | |
1743 | ||
1744 | static int | |
1745 | dfsm_process_state_update( | |
1746 | dfsm_t *dfsm, | |
1747 | gpointer data, | |
1748 | dfsm_sync_info_t *syncinfo) | |
1749 | { | |
1750 | g_return_val_if_fail(dfsm != NULL, -1); | |
1751 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1752 | ||
1753 | clog_base_t *clog[syncinfo->node_count]; | |
1754 | ||
1755 | int local_index = -1; | |
1756 | for (int i = 0; i < syncinfo->node_count; i++) { | |
1757 | dfsm_node_info_t *ni = &syncinfo->nodes[i]; | |
1758 | ni->synced = 1; | |
1759 | ||
1760 | if (syncinfo->local == ni) | |
1761 | local_index = i; | |
1762 | ||
1763 | clog_base_t *base = (clog_base_t *)ni->state; | |
1764 | if (ni->state_len > 8 && ni->state_len == clog_size(base)) { | |
1765 | clog[i] = ni->state; | |
1766 | } else { | |
1767 | cfs_critical("received log with wrong size %u", ni->state_len); | |
1768 | clog[i] = NULL; | |
1769 | } | |
1770 | } | |
1771 | ||
1772 | if (!clusterlog_merge(cfs_status.clusterlog, clog, syncinfo->node_count, local_index)) { | |
1773 | cfs_critical("unable to merge log files"); | |
1774 | } | |
1775 | ||
1776 | cfs_kvstore_sync(); | |
1777 | ||
1778 | return 1; | |
1779 | } | |
1780 | ||
1781 | static int | |
1782 | dfsm_commit( | |
1783 | dfsm_t *dfsm, | |
1784 | gpointer data, | |
1785 | dfsm_sync_info_t *syncinfo) | |
1786 | { | |
1787 | g_return_val_if_fail(dfsm != NULL, -1); | |
1788 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1789 | ||
1790 | return 1; | |
1791 | } | |
1792 | ||
1793 | static void | |
1794 | dfsm_synced(dfsm_t *dfsm) | |
1795 | { | |
1796 | g_return_if_fail(dfsm != NULL); | |
1797 | ||
1798 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, cfs.nodename); | |
1799 | if (!ip) | |
1800 | ip = cfs.ip; | |
1801 | ||
1802 | cfs_status_set("nodeip", ip, strlen(ip) + 1); | |
1803 | } | |
1804 | ||
1805 | static int | |
1806 | dfsm_cleanup( | |
1807 | dfsm_t *dfsm, | |
1808 | gpointer data, | |
1809 | dfsm_sync_info_t *syncinfo) | |
1810 | { | |
1811 | return 1; | |
1812 | } | |
1813 | ||
1814 | static dfsm_callbacks_t kvstore_dfsm_callbacks = { | |
1815 | .dfsm_deliver_fn = dfsm_deliver, | |
1816 | .dfsm_confchg_fn = dfsm_confchg, | |
1817 | ||
1818 | .dfsm_get_state_fn = dfsm_get_state, | |
1819 | .dfsm_process_state_update_fn = dfsm_process_state_update, | |
1820 | .dfsm_process_update_fn = dfsm_process_update, | |
1821 | .dfsm_commit_fn = dfsm_commit, | |
1822 | .dfsm_cleanup_fn = dfsm_cleanup, | |
1823 | .dfsm_synced_fn = dfsm_synced, | |
1824 | }; | |
1825 | ||
1826 | dfsm_t * | |
1827 | cfs_status_dfsm_new(void) | |
1828 | { | |
89fde9ac | 1829 | g_mutex_lock (&mutex); |
fe000966 DM |
1830 | |
1831 | cfs_status.kvstore = dfsm_new(NULL, KVSTORE_CPG_GROUP_NAME, G_LOG_DOMAIN, | |
1832 | 0, &kvstore_dfsm_callbacks); | |
89fde9ac | 1833 | g_mutex_unlock (&mutex); |
fe000966 DM |
1834 | |
1835 | return cfs_status.kvstore; | |
1836 | } | |
1837 | ||
1838 | gboolean | |
1839 | cfs_is_quorate(void) | |
1840 | { | |
89fde9ac | 1841 | g_mutex_lock (&mutex); |
fe000966 | 1842 | gboolean res = cfs_status.quorate; |
89fde9ac | 1843 | g_mutex_unlock (&mutex); |
fe000966 DM |
1844 | |
1845 | return res; | |
1846 | } | |
1847 | ||
1848 | void | |
1849 | cfs_set_quorate( | |
1850 | uint32_t quorate, | |
1851 | gboolean quiet) | |
1852 | { | |
89fde9ac | 1853 | g_mutex_lock (&mutex); |
fe000966 DM |
1854 | |
1855 | uint32_t prev_quorate = cfs_status.quorate; | |
1856 | cfs_status.quorate = quorate; | |
1857 | ||
1858 | if (!prev_quorate && cfs_status.quorate) { | |
1859 | if (!quiet) | |
1860 | cfs_message("node has quorum"); | |
1861 | } | |
1862 | ||
1863 | if (prev_quorate && !cfs_status.quorate) { | |
1864 | if (!quiet) | |
1865 | cfs_message("node lost quorum"); | |
1866 | } | |
1867 | ||
89fde9ac | 1868 | g_mutex_unlock (&mutex); |
fe000966 | 1869 | } |