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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" }, | |
8b84a18a | 86 | { .path = "priv/acme/plugins.cfg" }, |
8a9456dc | 87 | { .path = "priv/tfa.cfg" }, |
7dac5e0e | 88 | { .path = "priv/token.cfg" }, |
fe000966 | 89 | { .path = "datacenter.cfg" }, |
e1735a61 | 90 | { .path = "vzdump.cron" }, |
5a5417e6 DM |
91 | { .path = "ha/crm_commands" }, |
92 | { .path = "ha/manager_status" }, | |
93 | { .path = "ha/resources.cfg" }, | |
94 | { .path = "ha/groups.cfg" }, | |
e9af3eb7 | 95 | { .path = "ha/fence.cfg" }, |
9d4f69ff | 96 | { .path = "status.cfg" }, |
f6de131a | 97 | { .path = "replication.cfg" }, |
22e2ed76 | 98 | { .path = "ceph.conf" }, |
1bb7107a | 99 | { .path = "sdn/vnets.cfg" }, |
1bb7107a | 100 | { .path = "sdn/zones.cfg" }, |
1bb7107a | 101 | { .path = "sdn/controllers.cfg" }, |
9bb0fbe9 | 102 | { .path = "virtual-guest/cpu-models.conf" }, |
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 | ||
4fb4cb7a KG |
886 | // Prelock &memdb->mutex in order to enable the usage of memdb_read_nolock |
887 | // to prevent Deadlocks as in #2553 | |
888 | g_mutex_lock (&memdb->mutex); | |
cf1b19d9 TL |
889 | g_mutex_lock (&mutex); |
890 | ||
891 | g_string_printf(str,"{\n"); | |
892 | ||
893 | GHashTable *ht = cfs_status.vmlist; | |
894 | gpointer tmp = NULL; | |
895 | if (!g_hash_table_size(ht)) { | |
896 | goto ret; | |
897 | } | |
898 | ||
5b17ee16 | 899 | path = g_string_sized_new(256); |
cf1b19d9 TL |
900 | if (vmid >= 100) { |
901 | vminfo_t *vminfo = (vminfo_t *) g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
902 | if (vminfo == NULL) goto enoent; | |
903 | ||
904 | if (!vminfo_to_path(vminfo, path)) goto err; | |
905 | ||
4fb4cb7a KG |
906 | // use memdb_read_nolock because lock is handled here |
907 | int size = memdb_read_nolock(memdb, path->str, &tmp); | |
cf1b19d9 TL |
908 | if (tmp == NULL) goto err; |
909 | if (size <= prop_len) goto ret; | |
910 | ||
5c86492f | 911 | char *val = _get_property_value(tmp, size, prop, prop_len); |
cf1b19d9 TL |
912 | if (val == NULL) goto ret; |
913 | ||
cb7cea80 TL |
914 | g_string_append_printf(str, "\"%u\":{", vmid); |
915 | _g_str_append_kv_jsonescaped(str, prop, val); | |
916 | g_string_append_c(str, '}'); | |
cf1b19d9 TL |
917 | |
918 | } else { | |
919 | GHashTableIter iter; | |
920 | g_hash_table_iter_init (&iter, ht); | |
921 | ||
922 | gpointer key, value; | |
923 | int first = 1; | |
924 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
925 | vminfo_t *vminfo = (vminfo_t *)value; | |
926 | ||
927 | if (!vminfo_to_path(vminfo, path)) goto err; | |
928 | ||
929 | g_free(tmp); // no-op if already null | |
930 | tmp = NULL; | |
4fb4cb7a KG |
931 | // use memdb_read_nolock because lock is handled here |
932 | int size = memdb_read_nolock(memdb, path->str, &tmp); | |
cf1b19d9 TL |
933 | if (tmp == NULL || size <= prop_len) continue; |
934 | ||
5c86492f | 935 | char *val = _get_property_value(tmp, size, prop, prop_len); |
cf1b19d9 TL |
936 | if (val == NULL) continue; |
937 | ||
938 | if (!first) g_string_append_printf(str, ",\n"); | |
939 | else first = 0; | |
940 | ||
cb7cea80 TL |
941 | g_string_append_printf(str, "\"%u\":{", vminfo->vmid); |
942 | _g_str_append_kv_jsonescaped(str, prop, val); | |
943 | g_string_append_c(str, '}'); | |
cf1b19d9 TL |
944 | } |
945 | } | |
946 | ret: | |
947 | g_free(tmp); | |
3f1c7eb1 TL |
948 | if (path != NULL) { |
949 | g_string_free(path, TRUE); | |
950 | } | |
cf1b19d9 TL |
951 | g_string_append_printf(str,"\n}\n"); |
952 | g_mutex_unlock (&mutex); | |
4fb4cb7a | 953 | g_mutex_unlock (&memdb->mutex); |
cf1b19d9 TL |
954 | return res; |
955 | err: | |
956 | res = -EIO; | |
957 | goto ret; | |
958 | enoent: | |
959 | res = -ENOENT; | |
960 | goto ret; | |
961 | } | |
962 | ||
fe000966 DM |
963 | void |
964 | record_memdb_change(const char *path) | |
965 | { | |
966 | g_return_if_fail(cfs_status.memdb_changes != 0); | |
967 | ||
968 | memdb_change_t *ce; | |
969 | ||
970 | if ((ce = (memdb_change_t *)g_hash_table_lookup(cfs_status.memdb_changes, path))) { | |
971 | ce->version++; | |
972 | } | |
973 | } | |
974 | ||
975 | void | |
976 | record_memdb_reload(void) | |
977 | { | |
978 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
979 | memdb_change_array[i].version++; | |
980 | } | |
981 | } | |
982 | ||
983 | static gboolean | |
984 | kventry_hash_set( | |
985 | GHashTable *kvhash, | |
986 | const char *key, | |
987 | gconstpointer data, | |
988 | size_t len) | |
989 | { | |
990 | g_return_val_if_fail(kvhash != NULL, FALSE); | |
991 | g_return_val_if_fail(key != NULL, FALSE); | |
992 | g_return_val_if_fail(data != NULL, FALSE); | |
993 | ||
994 | kventry_t *entry; | |
71cc17bc DC |
995 | if (!len) { |
996 | g_hash_table_remove(kvhash, key); | |
997 | } else if ((entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
fe000966 DM |
998 | g_free(entry->data); |
999 | entry->data = g_memdup(data, len); | |
1000 | entry->len = len; | |
1001 | entry->version++; | |
1002 | } else { | |
1003 | kventry_t *entry = g_new0(kventry_t, 1); | |
1004 | ||
1005 | entry->key = g_strdup(key); | |
1006 | entry->data = g_memdup(data, len); | |
1007 | entry->len = len; | |
1008 | ||
1009 | g_hash_table_replace(kvhash, entry->key, entry); | |
1010 | } | |
1011 | ||
1012 | return TRUE; | |
1013 | } | |
1014 | ||
1015 | static const char *rrd_def_node[] = { | |
1016 | "DS:loadavg:GAUGE:120:0:U", | |
1017 | "DS:maxcpu:GAUGE:120:0:U", | |
1018 | "DS:cpu:GAUGE:120:0:U", | |
1019 | "DS:iowait:GAUGE:120:0:U", | |
1020 | "DS:memtotal:GAUGE:120:0:U", | |
1021 | "DS:memused:GAUGE:120:0:U", | |
1022 | "DS:swaptotal:GAUGE:120:0:U", | |
1023 | "DS:swapused:GAUGE:120:0:U", | |
1024 | "DS:roottotal:GAUGE:120:0:U", | |
1025 | "DS:rootused:GAUGE:120:0:U", | |
764296f1 DM |
1026 | "DS:netin:DERIVE:120:0:U", |
1027 | "DS:netout:DERIVE:120:0:U", | |
fe000966 DM |
1028 | |
1029 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1030 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1031 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1032 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1033 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1034 | ||
1035 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1036 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1037 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1038 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1039 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1040 | NULL, | |
1041 | }; | |
1042 | ||
1043 | static const char *rrd_def_vm[] = { | |
1044 | "DS:maxcpu:GAUGE:120:0:U", | |
1045 | "DS:cpu:GAUGE:120:0:U", | |
1046 | "DS:maxmem:GAUGE:120:0:U", | |
1047 | "DS:mem:GAUGE:120:0:U", | |
1048 | "DS:maxdisk:GAUGE:120:0:U", | |
1049 | "DS:disk:GAUGE:120:0:U", | |
764296f1 DM |
1050 | "DS:netin:DERIVE:120:0:U", |
1051 | "DS:netout:DERIVE:120:0:U", | |
1052 | "DS:diskread:DERIVE:120:0:U", | |
1053 | "DS:diskwrite:DERIVE:120:0:U", | |
fe000966 DM |
1054 | |
1055 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1056 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1057 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1058 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1059 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1060 | ||
1061 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1062 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1063 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1064 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1065 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1066 | NULL, | |
1067 | }; | |
1068 | ||
1069 | static const char *rrd_def_storage[] = { | |
1070 | "DS:total:GAUGE:120:0:U", | |
1071 | "DS:used:GAUGE:120:0:U", | |
1072 | ||
1073 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1074 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1075 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1076 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1077 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1078 | ||
1079 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1080 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1081 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1082 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1083 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1084 | NULL, | |
1085 | }; | |
1086 | ||
1087 | #define RRDDIR "/var/lib/rrdcached/db" | |
1088 | ||
1089 | static void | |
1090 | create_rrd_file( | |
1091 | const char *filename, | |
1092 | int argcount, | |
1093 | const char *rrddef[]) | |
1094 | { | |
1095 | /* start at day boundary */ | |
1096 | time_t ctime; | |
1097 | time(&ctime); | |
1098 | struct tm *ltm = localtime(&ctime); | |
1099 | ltm->tm_sec = 0; | |
1100 | ltm->tm_min = 0; | |
1101 | ltm->tm_hour = 0; | |
1102 | ||
1103 | rrd_clear_error(); | |
1104 | if (rrd_create_r(filename, 60, timelocal(ltm), argcount, rrddef)) { | |
1105 | cfs_message("RRD create error %s: %s", filename, rrd_get_error()); | |
1106 | } | |
1107 | } | |
1108 | ||
1109 | static inline const char * | |
1110 | rrd_skip_data( | |
1111 | const char *data, | |
1112 | int count) | |
1113 | { | |
1114 | int found = 0; | |
1115 | while (*data && found < count) { | |
1116 | if (*data++ == ':') | |
1117 | found++; | |
1118 | } | |
1119 | return data; | |
1120 | } | |
1121 | ||
1122 | static void | |
1123 | update_rrd_data( | |
1124 | const char *key, | |
1125 | gconstpointer data, | |
1126 | size_t len) | |
1127 | { | |
1128 | g_return_if_fail(key != NULL); | |
1129 | g_return_if_fail(data != NULL); | |
1130 | g_return_if_fail(len > 0); | |
1131 | g_return_if_fail(len < 4096); | |
1132 | ||
1133 | static const char *rrdcsock = "unix:/var/run/rrdcached.sock"; | |
1134 | ||
1135 | int use_daemon = 1; | |
1136 | if (rrdc_connect(rrdcsock) != 0) | |
1137 | use_daemon = 0; | |
1138 | ||
ba9dcfc1 | 1139 | char *filename = NULL; |
fe000966 DM |
1140 | |
1141 | int skip = 0; | |
1142 | ||
1143 | if (strncmp(key, "pve2-node/", 10) == 0) { | |
1144 | const char *node = key + 10; | |
1145 | ||
f9c865a8 | 1146 | skip = 2; |
fe000966 DM |
1147 | |
1148 | if (strchr(node, '/') != NULL) | |
1149 | goto keyerror; | |
1150 | ||
1151 | if (strlen(node) < 1) | |
1152 | goto keyerror; | |
1153 | ||
ba9dcfc1 DM |
1154 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1155 | ||
fe000966 DM |
1156 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1157 | ||
1158 | mkdir(RRDDIR "/pve2-node", 0755); | |
1159 | int argcount = sizeof(rrd_def_node)/sizeof(void*) - 1; | |
1160 | create_rrd_file(filename, argcount, rrd_def_node); | |
1161 | } | |
1162 | ||
ba9dcfc1 DM |
1163 | } else if ((strncmp(key, "pve2-vm/", 8) == 0) || |
1164 | (strncmp(key, "pve2.3-vm/", 10) == 0)) { | |
1165 | const char *vmid; | |
fe000966 | 1166 | |
ba9dcfc1 DM |
1167 | if (strncmp(key, "pve2-vm/", 8) == 0) { |
1168 | vmid = key + 8; | |
1169 | skip = 2; | |
1170 | } else { | |
1171 | vmid = key + 10; | |
94e4cba3 | 1172 | skip = 4; |
ba9dcfc1 | 1173 | } |
fe000966 DM |
1174 | |
1175 | if (strchr(vmid, '/') != NULL) | |
1176 | goto keyerror; | |
1177 | ||
1178 | if (strlen(vmid) < 1) | |
1179 | goto keyerror; | |
1180 | ||
ba9dcfc1 DM |
1181 | filename = g_strdup_printf(RRDDIR "/%s/%s", "pve2-vm", vmid); |
1182 | ||
fe000966 DM |
1183 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1184 | ||
1185 | mkdir(RRDDIR "/pve2-vm", 0755); | |
1186 | int argcount = sizeof(rrd_def_vm)/sizeof(void*) - 1; | |
1187 | create_rrd_file(filename, argcount, rrd_def_vm); | |
1188 | } | |
1189 | ||
1190 | } else if (strncmp(key, "pve2-storage/", 13) == 0) { | |
1191 | const char *node = key + 13; | |
1192 | ||
1193 | const char *storage = node; | |
1194 | while (*storage && *storage != '/') | |
1195 | storage++; | |
1196 | ||
1197 | if (*storage != '/' || ((storage - node) < 1)) | |
1198 | goto keyerror; | |
1199 | ||
1200 | storage++; | |
1201 | ||
1202 | if (strchr(storage, '/') != NULL) | |
1203 | goto keyerror; | |
1204 | ||
1205 | if (strlen(storage) < 1) | |
1206 | goto keyerror; | |
1207 | ||
ba9dcfc1 DM |
1208 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1209 | ||
fe000966 DM |
1210 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1211 | ||
1212 | mkdir(RRDDIR "/pve2-storage", 0755); | |
1213 | ||
1214 | char *dir = g_path_get_dirname(filename); | |
1215 | mkdir(dir, 0755); | |
1216 | g_free(dir); | |
1217 | ||
1218 | int argcount = sizeof(rrd_def_storage)/sizeof(void*) - 1; | |
1219 | create_rrd_file(filename, argcount, rrd_def_storage); | |
1220 | } | |
1221 | ||
1222 | } else { | |
1223 | goto keyerror; | |
1224 | } | |
1225 | ||
1226 | const char *dp = skip ? rrd_skip_data(data, skip) : data; | |
1227 | ||
1228 | const char *update_args[] = { dp, NULL }; | |
1229 | ||
1230 | if (use_daemon) { | |
1231 | int status; | |
1232 | if ((status = rrdc_update(filename, 1, update_args)) != 0) { | |
1233 | cfs_message("RRDC update error %s: %d", filename, status); | |
1234 | rrdc_disconnect(); | |
1235 | rrd_clear_error(); | |
1236 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1237 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1238 | } | |
1239 | } | |
1240 | ||
1241 | } else { | |
1242 | rrd_clear_error(); | |
1243 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1244 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1245 | } | |
1246 | } | |
1247 | ||
1248 | ret: | |
ba9dcfc1 DM |
1249 | if (filename) |
1250 | g_free(filename); | |
1251 | ||
fe000966 DM |
1252 | return; |
1253 | ||
1254 | keyerror: | |
1255 | cfs_critical("RRD update error: unknown/wrong key %s", key); | |
1256 | goto ret; | |
1257 | } | |
1258 | ||
1259 | static gboolean | |
1260 | rrd_entry_is_old( | |
1261 | gpointer key, | |
1262 | gpointer value, | |
1263 | gpointer user_data) | |
1264 | { | |
1265 | rrdentry_t *entry = (rrdentry_t *)value; | |
1266 | uint32_t ctime = GPOINTER_TO_UINT(user_data); | |
1267 | ||
1268 | int diff = ctime - entry->time; | |
1269 | ||
1270 | /* remove everything older than 5 minutes */ | |
1271 | int expire = 60*5; | |
1272 | ||
1273 | return (diff > expire) ? TRUE : FALSE; | |
1274 | } | |
1275 | ||
1276 | static char *rrd_dump_buf = NULL; | |
1277 | static time_t rrd_dump_last = 0; | |
1278 | ||
1279 | void | |
1280 | cfs_rrd_dump(GString *str) | |
1281 | { | |
1282 | time_t ctime; | |
fe000966 | 1283 | |
663896cf TL |
1284 | g_mutex_lock (&mutex); |
1285 | ||
1286 | time(&ctime); | |
fe000966 DM |
1287 | if (rrd_dump_buf && (ctime - rrd_dump_last) < 2) { |
1288 | g_string_assign(str, rrd_dump_buf); | |
663896cf | 1289 | g_mutex_unlock (&mutex); |
fe000966 DM |
1290 | return; |
1291 | } | |
1292 | ||
1293 | /* remove old data */ | |
1294 | g_hash_table_foreach_remove(cfs_status.rrdhash, rrd_entry_is_old, | |
1295 | GUINT_TO_POINTER(ctime)); | |
1296 | ||
1297 | g_string_set_size(str, 0); | |
1298 | ||
1299 | GHashTableIter iter; | |
1300 | gpointer key, value; | |
1301 | ||
1302 | g_hash_table_iter_init (&iter, cfs_status.rrdhash); | |
1303 | ||
1304 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1305 | rrdentry_t *entry = (rrdentry_t *)value; | |
1306 | g_string_append(str, key); | |
1307 | g_string_append(str, ":"); | |
1308 | g_string_append(str, entry->data); | |
1309 | g_string_append(str, "\n"); | |
1310 | } | |
1311 | ||
1312 | g_string_append_c(str, 0); // never return undef | |
1313 | ||
1314 | rrd_dump_last = ctime; | |
1315 | if (rrd_dump_buf) | |
1316 | g_free(rrd_dump_buf); | |
1317 | rrd_dump_buf = g_strdup(str->str); | |
663896cf TL |
1318 | |
1319 | g_mutex_unlock (&mutex); | |
fe000966 DM |
1320 | } |
1321 | ||
1322 | static gboolean | |
1323 | nodeip_hash_set( | |
1324 | GHashTable *iphash, | |
1325 | const char *nodename, | |
1326 | const char *ip, | |
1327 | size_t len) | |
1328 | { | |
1329 | g_return_val_if_fail(iphash != NULL, FALSE); | |
1330 | g_return_val_if_fail(nodename != NULL, FALSE); | |
1331 | g_return_val_if_fail(ip != NULL, FALSE); | |
1332 | g_return_val_if_fail(len > 0, FALSE); | |
1333 | g_return_val_if_fail(len < 256, FALSE); | |
1334 | g_return_val_if_fail(ip[len-1] == 0, FALSE); | |
1335 | ||
1336 | char *oldip = (char *)g_hash_table_lookup(iphash, nodename); | |
1337 | ||
1338 | if (!oldip || (strcmp(oldip, ip) != 0)) { | |
1339 | cfs_status.clinfo_version++; | |
1340 | g_hash_table_replace(iphash, g_strdup(nodename), g_strdup(ip)); | |
1341 | } | |
1342 | ||
1343 | return TRUE; | |
1344 | } | |
1345 | ||
1346 | static gboolean | |
1347 | rrdentry_hash_set( | |
1348 | GHashTable *rrdhash, | |
1349 | const char *key, | |
1350 | const char *data, | |
1351 | size_t len) | |
1352 | { | |
1353 | g_return_val_if_fail(rrdhash != NULL, FALSE); | |
1354 | g_return_val_if_fail(key != NULL, FALSE); | |
1355 | g_return_val_if_fail(data != NULL, FALSE); | |
1356 | g_return_val_if_fail(len > 0, FALSE); | |
1357 | g_return_val_if_fail(len < 4096, FALSE); | |
1358 | g_return_val_if_fail(data[len-1] == 0, FALSE); | |
1359 | ||
1360 | rrdentry_t *entry; | |
1361 | if ((entry = (rrdentry_t *)g_hash_table_lookup(rrdhash, key))) { | |
1362 | g_free(entry->data); | |
1363 | entry->data = g_memdup(data, len); | |
1364 | entry->len = len; | |
1365 | entry->time = time(NULL); | |
1366 | } else { | |
1367 | rrdentry_t *entry = g_new0(rrdentry_t, 1); | |
1368 | ||
1369 | entry->key = g_strdup(key); | |
1370 | entry->data = g_memdup(data, len); | |
1371 | entry->len = len; | |
1372 | entry->time = time(NULL); | |
1373 | ||
1374 | g_hash_table_replace(rrdhash, entry->key, entry); | |
1375 | } | |
1376 | ||
1377 | update_rrd_data(key, data, len); | |
1378 | ||
1379 | return TRUE; | |
1380 | } | |
1381 | ||
1382 | static int | |
1383 | kvstore_send_update_message( | |
1384 | dfsm_t *dfsm, | |
1385 | const char *key, | |
1386 | gpointer data, | |
1387 | guint32 len) | |
1388 | { | |
af2e9dd4 DM |
1389 | if (!dfsm_is_initialized(dfsm)) |
1390 | return -EACCES; | |
fe000966 DM |
1391 | |
1392 | struct iovec iov[2]; | |
1393 | ||
1394 | char name[256]; | |
1395 | g_strlcpy(name, key, sizeof(name)); | |
1396 | ||
1397 | iov[0].iov_base = &name; | |
1398 | iov[0].iov_len = sizeof(name); | |
1399 | ||
1400 | iov[1].iov_base = (char *)data; | |
1401 | iov[1].iov_len = len; | |
1402 | ||
1403 | if (dfsm_send_message(dfsm, KVSTORE_MESSAGE_UPDATE, iov, 2) == CS_OK) | |
1404 | return 0; | |
1405 | ||
1406 | return -EACCES; | |
1407 | } | |
1408 | ||
1409 | static clog_entry_t * | |
1410 | kvstore_parse_log_message( | |
1411 | const void *msg, | |
1412 | size_t msg_len) | |
1413 | { | |
1414 | g_return_val_if_fail(msg != NULL, NULL); | |
1415 | ||
1416 | if (msg_len < sizeof(clog_entry_t)) { | |
e5a5a3ea | 1417 | cfs_critical("received short log message (%zu < %zu)", msg_len, sizeof(clog_entry_t)); |
fe000966 DM |
1418 | return NULL; |
1419 | } | |
1420 | ||
1421 | clog_entry_t *entry = (clog_entry_t *)msg; | |
1422 | ||
1423 | uint32_t size = sizeof(clog_entry_t) + entry->node_len + | |
1424 | entry->ident_len + entry->tag_len + entry->msg_len; | |
1425 | ||
1426 | if (msg_len != size) { | |
e5a5a3ea | 1427 | cfs_critical("received log message with wrong size (%zu != %u)", msg_len, size); |
fe000966 DM |
1428 | return NULL; |
1429 | } | |
1430 | ||
ce669d14 | 1431 | char *msgptr = entry->data; |
fe000966 | 1432 | |
ce669d14 | 1433 | if (*((char *)msgptr + entry->node_len - 1)) { |
fe000966 DM |
1434 | cfs_critical("unterminated string in log message"); |
1435 | return NULL; | |
1436 | } | |
ce669d14 | 1437 | msgptr += entry->node_len; |
fe000966 | 1438 | |
ce669d14 | 1439 | if (*((char *)msgptr + entry->ident_len - 1)) { |
fe000966 DM |
1440 | cfs_critical("unterminated string in log message"); |
1441 | return NULL; | |
1442 | } | |
ce669d14 | 1443 | msgptr += entry->ident_len; |
fe000966 | 1444 | |
ce669d14 | 1445 | if (*((char *)msgptr + entry->tag_len - 1)) { |
fe000966 DM |
1446 | cfs_critical("unterminated string in log message"); |
1447 | return NULL; | |
1448 | } | |
ce669d14 | 1449 | msgptr += entry->tag_len; |
fe000966 | 1450 | |
ce669d14 | 1451 | if (*((char *)msgptr + entry->msg_len - 1)) { |
fe000966 DM |
1452 | cfs_critical("unterminated string in log message"); |
1453 | return NULL; | |
1454 | } | |
1455 | ||
1456 | return entry; | |
1457 | } | |
1458 | ||
1459 | static gboolean | |
1460 | kvstore_parse_update_message( | |
1461 | const void *msg, | |
1462 | size_t msg_len, | |
1463 | const char **key, | |
1464 | gconstpointer *data, | |
1465 | guint32 *len) | |
1466 | { | |
1467 | g_return_val_if_fail(msg != NULL, FALSE); | |
1468 | g_return_val_if_fail(key != NULL, FALSE); | |
1469 | g_return_val_if_fail(data != NULL, FALSE); | |
1470 | g_return_val_if_fail(len != NULL, FALSE); | |
1471 | ||
1472 | if (msg_len < 256) { | |
e5a5a3ea | 1473 | cfs_critical("received short kvstore message (%zu < 256)", msg_len); |
fe000966 DM |
1474 | return FALSE; |
1475 | } | |
1476 | ||
1477 | /* test if key is null terminated */ | |
1478 | int i = 0; | |
1479 | for (i = 0; i < 256; i++) | |
1480 | if (((char *)msg)[i] == 0) | |
1481 | break; | |
1482 | ||
1483 | if (i == 256) | |
1484 | return FALSE; | |
1485 | ||
1486 | ||
1487 | *len = msg_len - 256; | |
1488 | *key = msg; | |
ce669d14 | 1489 | *data = (char *) msg + 256; |
fe000966 DM |
1490 | |
1491 | return TRUE; | |
1492 | } | |
1493 | ||
1494 | int | |
1495 | cfs_create_status_msg( | |
1496 | GString *str, | |
1497 | const char *nodename, | |
1498 | const char *key) | |
1499 | { | |
1500 | g_return_val_if_fail(str != NULL, -EINVAL); | |
1501 | g_return_val_if_fail(key != NULL, -EINVAL); | |
1502 | ||
1503 | int res = -ENOENT; | |
1504 | ||
1505 | GHashTable *kvhash = NULL; | |
1506 | ||
89fde9ac | 1507 | g_mutex_lock (&mutex); |
fe000966 DM |
1508 | |
1509 | if (!nodename || !nodename[0] || !strcmp(nodename, cfs.nodename)) { | |
1510 | kvhash = cfs_status.kvhash; | |
043bbd8f | 1511 | } else if (cfs_status.clinfo && cfs_status.clinfo->nodes_byname) { |
fe000966 DM |
1512 | cfs_clnode_t *clnode; |
1513 | if ((clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byname, nodename))) | |
1514 | kvhash = clnode->kvhash; | |
1515 | } | |
1516 | ||
1517 | kventry_t *entry; | |
1518 | if (kvhash && (entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
1519 | g_string_append_len(str, entry->data, entry->len); | |
1520 | res = 0; | |
1521 | } | |
1522 | ||
89fde9ac | 1523 | g_mutex_unlock (&mutex); |
fe000966 DM |
1524 | |
1525 | return res; | |
1526 | } | |
1527 | ||
1528 | int | |
1529 | cfs_status_set( | |
1530 | const char *key, | |
1531 | gpointer data, | |
1532 | size_t len) | |
1533 | { | |
1534 | g_return_val_if_fail(key != NULL, FALSE); | |
1535 | g_return_val_if_fail(data != NULL, FALSE); | |
1536 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1537 | ||
1538 | if (len > CFS_MAX_STATUS_SIZE) | |
1539 | return -EFBIG; | |
1540 | ||
89fde9ac | 1541 | g_mutex_lock (&mutex); |
fe000966 DM |
1542 | |
1543 | gboolean res; | |
1544 | ||
1545 | if (strncmp(key, "rrd/", 4) == 0) { | |
1546 | res = rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1547 | } else if (!strcmp(key, "nodeip")) { | |
1548 | res = nodeip_hash_set(cfs_status.iphash, cfs.nodename, data, len); | |
1549 | } else { | |
1550 | res = kventry_hash_set(cfs_status.kvhash, key, data, len); | |
1551 | } | |
89fde9ac | 1552 | g_mutex_unlock (&mutex); |
fe000966 DM |
1553 | |
1554 | if (cfs_status.kvstore) | |
1555 | kvstore_send_update_message(cfs_status.kvstore, key, data, len); | |
1556 | ||
1557 | return res ? 0 : -ENOMEM; | |
1558 | } | |
1559 | ||
1560 | gboolean | |
1561 | cfs_kvstore_node_set( | |
1562 | uint32_t nodeid, | |
1563 | const char *key, | |
1564 | gconstpointer data, | |
1565 | size_t len) | |
1566 | { | |
1567 | g_return_val_if_fail(nodeid != 0, FALSE); | |
1568 | g_return_val_if_fail(key != NULL, FALSE); | |
1569 | g_return_val_if_fail(data != NULL, FALSE); | |
1570 | ||
89fde9ac | 1571 | g_mutex_lock (&mutex); |
fe000966 DM |
1572 | |
1573 | if (!cfs_status.clinfo || !cfs_status.clinfo->nodes_byid) | |
1574 | goto ret; /* ignore */ | |
1575 | ||
1576 | cfs_clnode_t *clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byid, &nodeid); | |
1577 | if (!clnode) | |
1578 | goto ret; /* ignore */ | |
1579 | ||
1580 | cfs_debug("got node %d status update %s", nodeid, key); | |
1581 | ||
1582 | if (strncmp(key, "rrd/", 4) == 0) { | |
1583 | rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1584 | } else if (!strcmp(key, "nodeip")) { | |
1585 | nodeip_hash_set(cfs_status.iphash, clnode->name, data, len); | |
1586 | } else { | |
1587 | if (!clnode->kvhash) { | |
1588 | if (!(clnode->kvhash = kventry_hash_new())) { | |
1589 | goto ret; /*ignore */ | |
1590 | } | |
1591 | } | |
1592 | ||
1593 | kventry_hash_set(clnode->kvhash, key, data, len); | |
1594 | ||
1595 | } | |
1596 | ret: | |
89fde9ac | 1597 | g_mutex_unlock (&mutex); |
fe000966 DM |
1598 | |
1599 | return TRUE; | |
1600 | } | |
1601 | ||
1602 | static gboolean | |
1603 | cfs_kvstore_sync(void) | |
1604 | { | |
1605 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1606 | g_return_val_if_fail(cfs_status.kvstore != NULL, FALSE); | |
1607 | ||
1608 | gboolean res = TRUE; | |
1609 | ||
89fde9ac | 1610 | g_mutex_lock (&mutex); |
fe000966 DM |
1611 | |
1612 | GHashTable *ht = cfs_status.kvhash; | |
1613 | GHashTableIter iter; | |
1614 | gpointer key, value; | |
1615 | ||
1616 | g_hash_table_iter_init (&iter, ht); | |
1617 | ||
1618 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1619 | kventry_t *entry = (kventry_t *)value; | |
1620 | kvstore_send_update_message(cfs_status.kvstore, entry->key, entry->data, entry->len); | |
1621 | } | |
1622 | ||
89fde9ac | 1623 | g_mutex_unlock (&mutex); |
fe000966 DM |
1624 | |
1625 | return res; | |
1626 | } | |
1627 | ||
1628 | static int | |
1629 | dfsm_deliver( | |
1630 | dfsm_t *dfsm, | |
1631 | gpointer data, | |
1632 | int *res_ptr, | |
1633 | uint32_t nodeid, | |
1634 | uint32_t pid, | |
1635 | uint16_t msg_type, | |
1636 | uint32_t msg_time, | |
1637 | const void *msg, | |
1638 | size_t msg_len) | |
1639 | { | |
1640 | g_return_val_if_fail(dfsm != NULL, -1); | |
1641 | g_return_val_if_fail(msg != NULL, -1); | |
1642 | g_return_val_if_fail(res_ptr != NULL, -1); | |
1643 | ||
1644 | /* ignore message for ourself */ | |
1645 | if (dfsm_nodeid_is_local(dfsm, nodeid, pid)) | |
1646 | goto ret; | |
1647 | ||
1648 | if (msg_type == KVSTORE_MESSAGE_UPDATE) { | |
1649 | const char *key; | |
1650 | gconstpointer data; | |
1651 | guint32 len; | |
1652 | if (kvstore_parse_update_message(msg, msg_len, &key, &data, &len)) { | |
1653 | cfs_kvstore_node_set(nodeid, key, data, len); | |
1654 | } else { | |
1655 | cfs_critical("cant parse update message"); | |
1656 | } | |
1657 | } else if (msg_type == KVSTORE_MESSAGE_LOG) { | |
1658 | cfs_message("received log"); // fixme: remove | |
1659 | const clog_entry_t *entry; | |
1660 | if ((entry = kvstore_parse_log_message(msg, msg_len))) { | |
1661 | clusterlog_insert(cfs_status.clusterlog, entry); | |
1662 | } else { | |
1663 | cfs_critical("cant parse log message"); | |
1664 | } | |
1665 | } else { | |
1666 | cfs_critical("received unknown message type %d\n", msg_type); | |
1667 | goto fail; | |
1668 | } | |
1669 | ||
1670 | ret: | |
1671 | *res_ptr = 0; | |
1672 | return 1; | |
1673 | ||
1674 | fail: | |
1675 | *res_ptr = -EACCES; | |
1676 | return 1; | |
1677 | } | |
1678 | ||
1679 | static void | |
1680 | dfsm_confchg( | |
1681 | dfsm_t *dfsm, | |
1682 | gpointer data, | |
1683 | const struct cpg_address *member_list, | |
1684 | size_t member_list_entries) | |
1685 | { | |
1686 | g_return_if_fail(dfsm != NULL); | |
1687 | g_return_if_fail(member_list != NULL); | |
1688 | ||
1689 | cfs_debug("enter %s", __func__); | |
1690 | ||
89fde9ac | 1691 | g_mutex_lock (&mutex); |
fe000966 DM |
1692 | |
1693 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
1694 | ||
1695 | if (clinfo && clinfo->nodes_byid) { | |
1696 | ||
1697 | GHashTable *ht = clinfo->nodes_byid; | |
1698 | GHashTableIter iter; | |
1699 | gpointer key, value; | |
1700 | ||
1701 | g_hash_table_iter_init (&iter, ht); | |
1702 | ||
1703 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1704 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
1705 | node->online = FALSE; | |
1706 | } | |
1707 | ||
1708 | for (int i = 0; i < member_list_entries; i++) { | |
1709 | cfs_clnode_t *node; | |
1710 | if ((node = g_hash_table_lookup(clinfo->nodes_byid, &member_list[i].nodeid))) { | |
1711 | node->online = TRUE; | |
1712 | } | |
1713 | } | |
1714 | ||
1715 | cfs_status.clinfo_version++; | |
1716 | } | |
1717 | ||
89fde9ac | 1718 | g_mutex_unlock (&mutex); |
fe000966 DM |
1719 | } |
1720 | ||
1721 | static gpointer | |
1722 | dfsm_get_state( | |
1723 | dfsm_t *dfsm, | |
1724 | gpointer data, | |
1725 | unsigned int *res_len) | |
1726 | { | |
1727 | g_return_val_if_fail(dfsm != NULL, NULL); | |
1728 | ||
1729 | gpointer msg = clusterlog_get_state(cfs_status.clusterlog, res_len); | |
1730 | ||
1731 | return msg; | |
1732 | } | |
1733 | ||
1734 | static int | |
1735 | dfsm_process_update( | |
1736 | dfsm_t *dfsm, | |
1737 | gpointer data, | |
1738 | dfsm_sync_info_t *syncinfo, | |
1739 | uint32_t nodeid, | |
1740 | uint32_t pid, | |
1741 | const void *msg, | |
1742 | size_t msg_len) | |
1743 | { | |
1744 | cfs_critical("%s: received unexpected update message", __func__); | |
1745 | ||
1746 | return -1; | |
1747 | } | |
1748 | ||
1749 | static int | |
1750 | dfsm_process_state_update( | |
1751 | dfsm_t *dfsm, | |
1752 | gpointer data, | |
1753 | dfsm_sync_info_t *syncinfo) | |
1754 | { | |
1755 | g_return_val_if_fail(dfsm != NULL, -1); | |
1756 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1757 | ||
1758 | clog_base_t *clog[syncinfo->node_count]; | |
1759 | ||
1760 | int local_index = -1; | |
1761 | for (int i = 0; i < syncinfo->node_count; i++) { | |
1762 | dfsm_node_info_t *ni = &syncinfo->nodes[i]; | |
1763 | ni->synced = 1; | |
1764 | ||
1765 | if (syncinfo->local == ni) | |
1766 | local_index = i; | |
1767 | ||
1768 | clog_base_t *base = (clog_base_t *)ni->state; | |
1769 | if (ni->state_len > 8 && ni->state_len == clog_size(base)) { | |
1770 | clog[i] = ni->state; | |
1771 | } else { | |
1772 | cfs_critical("received log with wrong size %u", ni->state_len); | |
1773 | clog[i] = NULL; | |
1774 | } | |
1775 | } | |
1776 | ||
1777 | if (!clusterlog_merge(cfs_status.clusterlog, clog, syncinfo->node_count, local_index)) { | |
1778 | cfs_critical("unable to merge log files"); | |
1779 | } | |
1780 | ||
1781 | cfs_kvstore_sync(); | |
1782 | ||
1783 | return 1; | |
1784 | } | |
1785 | ||
1786 | static int | |
1787 | dfsm_commit( | |
1788 | dfsm_t *dfsm, | |
1789 | gpointer data, | |
1790 | dfsm_sync_info_t *syncinfo) | |
1791 | { | |
1792 | g_return_val_if_fail(dfsm != NULL, -1); | |
1793 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1794 | ||
1795 | return 1; | |
1796 | } | |
1797 | ||
1798 | static void | |
1799 | dfsm_synced(dfsm_t *dfsm) | |
1800 | { | |
1801 | g_return_if_fail(dfsm != NULL); | |
1802 | ||
1803 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, cfs.nodename); | |
1804 | if (!ip) | |
1805 | ip = cfs.ip; | |
1806 | ||
1807 | cfs_status_set("nodeip", ip, strlen(ip) + 1); | |
1808 | } | |
1809 | ||
1810 | static int | |
1811 | dfsm_cleanup( | |
1812 | dfsm_t *dfsm, | |
1813 | gpointer data, | |
1814 | dfsm_sync_info_t *syncinfo) | |
1815 | { | |
1816 | return 1; | |
1817 | } | |
1818 | ||
1819 | static dfsm_callbacks_t kvstore_dfsm_callbacks = { | |
1820 | .dfsm_deliver_fn = dfsm_deliver, | |
1821 | .dfsm_confchg_fn = dfsm_confchg, | |
1822 | ||
1823 | .dfsm_get_state_fn = dfsm_get_state, | |
1824 | .dfsm_process_state_update_fn = dfsm_process_state_update, | |
1825 | .dfsm_process_update_fn = dfsm_process_update, | |
1826 | .dfsm_commit_fn = dfsm_commit, | |
1827 | .dfsm_cleanup_fn = dfsm_cleanup, | |
1828 | .dfsm_synced_fn = dfsm_synced, | |
1829 | }; | |
1830 | ||
1831 | dfsm_t * | |
1832 | cfs_status_dfsm_new(void) | |
1833 | { | |
89fde9ac | 1834 | g_mutex_lock (&mutex); |
fe000966 DM |
1835 | |
1836 | cfs_status.kvstore = dfsm_new(NULL, KVSTORE_CPG_GROUP_NAME, G_LOG_DOMAIN, | |
1837 | 0, &kvstore_dfsm_callbacks); | |
89fde9ac | 1838 | g_mutex_unlock (&mutex); |
fe000966 DM |
1839 | |
1840 | return cfs_status.kvstore; | |
1841 | } | |
1842 | ||
1843 | gboolean | |
1844 | cfs_is_quorate(void) | |
1845 | { | |
89fde9ac | 1846 | g_mutex_lock (&mutex); |
fe000966 | 1847 | gboolean res = cfs_status.quorate; |
89fde9ac | 1848 | g_mutex_unlock (&mutex); |
fe000966 DM |
1849 | |
1850 | return res; | |
1851 | } | |
1852 | ||
1853 | void | |
1854 | cfs_set_quorate( | |
1855 | uint32_t quorate, | |
1856 | gboolean quiet) | |
1857 | { | |
89fde9ac | 1858 | g_mutex_lock (&mutex); |
fe000966 DM |
1859 | |
1860 | uint32_t prev_quorate = cfs_status.quorate; | |
1861 | cfs_status.quorate = quorate; | |
1862 | ||
1863 | if (!prev_quorate && cfs_status.quorate) { | |
1864 | if (!quiet) | |
1865 | cfs_message("node has quorum"); | |
1866 | } | |
1867 | ||
1868 | if (prev_quorate && !cfs_status.quorate) { | |
1869 | if (!quiet) | |
1870 | cfs_message("node lost quorum"); | |
1871 | } | |
1872 | ||
89fde9ac | 1873 | g_mutex_unlock (&mutex); |
fe000966 | 1874 | } |