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fe000966 | 1 | /* |
84c98315 | 2 | Copyright (C) 2010 - 2020 Proxmox Server Solutions GmbH |
fe000966 DM |
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" }, |
fc28c2f8 | 89 | { .path = "priv/ipam.db" }, |
fe000966 | 90 | { .path = "datacenter.cfg" }, |
e1735a61 | 91 | { .path = "vzdump.cron" }, |
1fdf150e | 92 | { .path = "jobs.cfg" }, |
5a5417e6 DM |
93 | { .path = "ha/crm_commands" }, |
94 | { .path = "ha/manager_status" }, | |
95 | { .path = "ha/resources.cfg" }, | |
96 | { .path = "ha/groups.cfg" }, | |
e9af3eb7 | 97 | { .path = "ha/fence.cfg" }, |
9d4f69ff | 98 | { .path = "status.cfg" }, |
f6de131a | 99 | { .path = "replication.cfg" }, |
22e2ed76 | 100 | { .path = "ceph.conf" }, |
1bb7107a | 101 | { .path = "sdn/vnets.cfg" }, |
1bb7107a | 102 | { .path = "sdn/zones.cfg" }, |
1bb7107a | 103 | { .path = "sdn/controllers.cfg" }, |
c20823f8 | 104 | { .path = "sdn/subnets.cfg" }, |
be1aa34b | 105 | { .path = "sdn/ipams.cfg" }, |
9d3ea5ef | 106 | { .path = "sdn/dns.cfg" }, |
a3d44df8 | 107 | { .path = "sdn/.running-config" }, |
9bb0fbe9 | 108 | { .path = "virtual-guest/cpu-models.conf" }, |
7ab9ce86 | 109 | { .path = "nodes/hardware-map.conf" }, |
fe000966 DM |
110 | }; |
111 | ||
89fde9ac | 112 | static GMutex mutex; |
fe000966 DM |
113 | |
114 | typedef struct { | |
115 | time_t start_time; | |
116 | ||
117 | uint32_t quorate; | |
118 | ||
119 | cfs_clinfo_t *clinfo; | |
120 | uint32_t clinfo_version; | |
121 | ||
122 | GHashTable *vmlist; | |
123 | uint32_t vmlist_version; | |
124 | ||
125 | dfsm_t *kvstore; | |
126 | GHashTable *kvhash; | |
127 | GHashTable *rrdhash; | |
128 | GHashTable *iphash; | |
129 | ||
130 | GHashTable *memdb_changes; | |
131 | ||
132 | clusterlog_t *clusterlog; | |
133 | } cfs_status_t; | |
134 | ||
135 | static cfs_status_t cfs_status; | |
136 | ||
137 | struct cfs_clnode { | |
138 | char *name; | |
139 | uint32_t nodeid; | |
140 | uint32_t votes; | |
141 | gboolean online; | |
142 | GHashTable *kvhash; | |
143 | }; | |
144 | ||
145 | struct cfs_clinfo { | |
146 | char *cluster_name; | |
147 | uint32_t cman_version; | |
148 | ||
149 | GHashTable *nodes_byid; | |
150 | GHashTable *nodes_byname; | |
151 | }; | |
152 | ||
153 | static guint | |
154 | g_int32_hash (gconstpointer v) | |
155 | { | |
156 | return *(const uint32_t *) v; | |
157 | } | |
158 | ||
159 | static gboolean | |
160 | g_int32_equal (gconstpointer v1, | |
161 | gconstpointer v2) | |
162 | { | |
163 | return *((const uint32_t*) v1) == *((const uint32_t*) v2); | |
164 | } | |
165 | ||
166 | static void vminfo_free(vminfo_t *vminfo) | |
167 | { | |
168 | g_return_if_fail(vminfo != NULL); | |
169 | ||
170 | if (vminfo->nodename) | |
171 | g_free(vminfo->nodename); | |
172 | ||
173 | ||
174 | g_free(vminfo); | |
175 | } | |
176 | ||
99abbd31 TL |
177 | static const char *vminfo_type_to_string(vminfo_t *vminfo) |
178 | { | |
179 | if (vminfo->vmtype == VMTYPE_QEMU) { | |
180 | return "qemu"; | |
181 | } else if (vminfo->vmtype == VMTYPE_OPENVZ) { | |
c63b596f | 182 | // FIXME: remove openvz stuff for 7.x |
99abbd31 TL |
183 | return "openvz"; |
184 | } else if (vminfo->vmtype == VMTYPE_LXC) { | |
185 | return "lxc"; | |
186 | } else { | |
187 | return "unknown"; | |
188 | } | |
c26ca647 TL |
189 | } |
190 | ||
cf1b19d9 TL |
191 | static const char *vminfo_type_to_path_type(vminfo_t *vminfo) |
192 | { | |
193 | if (vminfo->vmtype == VMTYPE_QEMU) { | |
194 | return "qemu-server"; // special case.. | |
195 | } else { | |
196 | return vminfo_type_to_string(vminfo); | |
197 | } | |
198 | } | |
199 | ||
200 | int vminfo_to_path(vminfo_t *vminfo, GString *path) | |
201 | { | |
202 | g_return_val_if_fail(vminfo != NULL, -1); | |
203 | g_return_val_if_fail(path != NULL, -1); | |
204 | ||
205 | if (!vminfo->nodename) | |
206 | return 0; | |
207 | ||
208 | const char *type = vminfo_type_to_path_type(vminfo); | |
209 | g_string_printf(path, "/nodes/%s/%s/%u.conf", vminfo->nodename, type, vminfo->vmid); | |
210 | ||
211 | return 1; | |
212 | } | |
213 | ||
fe000966 DM |
214 | void cfs_clnode_destroy( |
215 | cfs_clnode_t *clnode) | |
216 | { | |
217 | g_return_if_fail(clnode != NULL); | |
218 | ||
219 | if (clnode->kvhash) | |
220 | g_hash_table_destroy(clnode->kvhash); | |
221 | ||
222 | if (clnode->name) | |
223 | g_free(clnode->name); | |
224 | ||
225 | g_free(clnode); | |
226 | } | |
227 | ||
228 | cfs_clnode_t *cfs_clnode_new( | |
229 | const char *name, | |
230 | uint32_t nodeid, | |
231 | uint32_t votes) | |
232 | { | |
233 | g_return_val_if_fail(name != NULL, NULL); | |
234 | ||
235 | cfs_clnode_t *clnode = g_new0(cfs_clnode_t, 1); | |
236 | if (!clnode) | |
237 | return NULL; | |
238 | ||
239 | clnode->name = g_strdup(name); | |
240 | clnode->nodeid = nodeid; | |
241 | clnode->votes = votes; | |
242 | ||
243 | return clnode; | |
244 | } | |
245 | ||
246 | gboolean cfs_clinfo_destroy( | |
247 | cfs_clinfo_t *clinfo) | |
248 | { | |
249 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
250 | ||
251 | if (clinfo->cluster_name) | |
252 | g_free(clinfo->cluster_name); | |
253 | ||
254 | if (clinfo->nodes_byname) | |
255 | g_hash_table_destroy(clinfo->nodes_byname); | |
256 | ||
257 | if (clinfo->nodes_byid) | |
258 | g_hash_table_destroy(clinfo->nodes_byid); | |
259 | ||
260 | g_free(clinfo); | |
261 | ||
262 | return TRUE; | |
263 | } | |
264 | ||
265 | cfs_clinfo_t *cfs_clinfo_new( | |
266 | const char *cluster_name, | |
267 | uint32_t cman_version) | |
268 | { | |
269 | g_return_val_if_fail(cluster_name != NULL, NULL); | |
270 | ||
271 | cfs_clinfo_t *clinfo = g_new0(cfs_clinfo_t, 1); | |
272 | if (!clinfo) | |
273 | return NULL; | |
274 | ||
275 | clinfo->cluster_name = g_strdup(cluster_name); | |
276 | clinfo->cman_version = cman_version; | |
277 | ||
278 | if (!(clinfo->nodes_byid = g_hash_table_new_full( | |
279 | g_int32_hash, g_int32_equal, NULL, | |
280 | (GDestroyNotify)cfs_clnode_destroy))) | |
281 | goto fail; | |
282 | ||
283 | if (!(clinfo->nodes_byname = g_hash_table_new(g_str_hash, g_str_equal))) | |
284 | goto fail; | |
285 | ||
286 | return clinfo; | |
287 | ||
288 | fail: | |
289 | cfs_clinfo_destroy(clinfo); | |
290 | ||
291 | return NULL; | |
292 | } | |
293 | ||
294 | gboolean cfs_clinfo_add_node( | |
295 | cfs_clinfo_t *clinfo, | |
296 | cfs_clnode_t *clnode) | |
297 | { | |
298 | g_return_val_if_fail(clinfo != NULL, FALSE); | |
299 | g_return_val_if_fail(clnode != NULL, FALSE); | |
300 | ||
301 | g_hash_table_replace(clinfo->nodes_byid, &clnode->nodeid, clnode); | |
302 | g_hash_table_replace(clinfo->nodes_byname, clnode->name, clnode); | |
303 | ||
304 | return TRUE; | |
305 | } | |
306 | ||
307 | int | |
308 | cfs_create_memberlist_msg( | |
309 | GString *str) | |
310 | { | |
311 | g_return_val_if_fail(str != NULL, -EINVAL); | |
312 | ||
89fde9ac | 313 | g_mutex_lock (&mutex); |
fe000966 DM |
314 | |
315 | g_string_append_printf(str,"{\n"); | |
316 | ||
317 | guint nodecount = 0; | |
318 | ||
319 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
320 | ||
321 | if (clinfo && clinfo->nodes_byid) | |
322 | nodecount = g_hash_table_size(clinfo->nodes_byid); | |
323 | ||
324 | if (nodecount) { | |
325 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
326 | g_string_append_printf(str, "\"version\": %u,\n", cfs_status.clinfo_version); | |
327 | ||
328 | g_string_append_printf(str, "\"cluster\": { "); | |
329 | g_string_append_printf(str, "\"name\": \"%s\", \"version\": %d, " | |
330 | "\"nodes\": %d, \"quorate\": %d ", | |
331 | clinfo->cluster_name, clinfo->cman_version, | |
332 | nodecount, cfs_status.quorate); | |
333 | ||
334 | g_string_append_printf(str,"},\n"); | |
335 | g_string_append_printf(str,"\"nodelist\": {\n"); | |
336 | ||
337 | GHashTable *ht = clinfo->nodes_byid; | |
338 | GHashTableIter iter; | |
339 | gpointer key, value; | |
340 | ||
341 | g_hash_table_iter_init (&iter, ht); | |
342 | ||
343 | int i = 0; | |
344 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
345 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
346 | if (i) g_string_append_printf(str, ",\n"); | |
347 | i++; | |
348 | ||
349 | g_string_append_printf(str, " \"%s\": { \"id\": %d, \"online\": %d", | |
350 | node->name, node->nodeid, node->online); | |
351 | ||
352 | ||
353 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, node->name); | |
354 | if (ip) { | |
355 | g_string_append_printf(str, ", \"ip\": \"%s\"", ip); | |
356 | } | |
357 | ||
358 | g_string_append_printf(str, "}"); | |
359 | ||
360 | } | |
361 | g_string_append_printf(str,"\n }\n"); | |
362 | } else { | |
363 | g_string_append_printf(str, "\"nodename\": \"%s\",\n", cfs.nodename); | |
364 | g_string_append_printf(str, "\"version\": %u\n", cfs_status.clinfo_version); | |
365 | } | |
366 | ||
367 | g_string_append_printf(str,"}\n"); | |
368 | ||
89fde9ac | 369 | g_mutex_unlock (&mutex); |
fe000966 DM |
370 | |
371 | return 0; | |
372 | } | |
373 | ||
374 | static void | |
375 | kventry_free(kventry_t *entry) | |
376 | { | |
377 | g_return_if_fail(entry != NULL); | |
378 | ||
379 | g_free(entry->key); | |
380 | g_free(entry->data); | |
381 | g_free(entry); | |
382 | } | |
383 | ||
384 | static GHashTable * | |
385 | kventry_hash_new(void) | |
386 | { | |
387 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
388 | (GDestroyNotify)kventry_free); | |
389 | } | |
390 | ||
391 | static void | |
392 | rrdentry_free(rrdentry_t *entry) | |
393 | { | |
394 | g_return_if_fail(entry != NULL); | |
395 | ||
396 | g_free(entry->key); | |
397 | g_free(entry->data); | |
398 | g_free(entry); | |
399 | } | |
400 | ||
401 | static GHashTable * | |
402 | rrdentry_hash_new(void) | |
403 | { | |
404 | return g_hash_table_new_full(g_str_hash, g_str_equal, NULL, | |
405 | (GDestroyNotify)rrdentry_free); | |
406 | } | |
407 | ||
408 | void | |
409 | cfs_cluster_log_dump(GString *str, const char *user, guint max_entries) | |
410 | { | |
411 | clusterlog_dump(cfs_status.clusterlog, str, user, max_entries); | |
412 | } | |
413 | ||
414 | void | |
415 | cfs_cluster_log(clog_entry_t *entry) | |
416 | { | |
417 | g_return_if_fail(entry != NULL); | |
418 | ||
419 | clusterlog_insert(cfs_status.clusterlog, entry); | |
420 | ||
421 | if (cfs_status.kvstore) { | |
422 | struct iovec iov[1]; | |
423 | iov[0].iov_base = (char *)entry; | |
424 | iov[0].iov_len = clog_entry_size(entry); | |
425 | ||
af2e9dd4 DM |
426 | if (dfsm_is_initialized(cfs_status.kvstore)) |
427 | dfsm_send_message(cfs_status.kvstore, KVSTORE_MESSAGE_LOG, iov, 1); | |
fe000966 DM |
428 | } |
429 | } | |
430 | ||
431 | void cfs_status_init(void) | |
432 | { | |
89fde9ac | 433 | g_mutex_lock (&mutex); |
fe000966 DM |
434 | |
435 | cfs_status.start_time = time(NULL); | |
436 | ||
437 | cfs_status.vmlist = vmlist_hash_new(); | |
438 | ||
439 | cfs_status.kvhash = kventry_hash_new(); | |
440 | ||
441 | cfs_status.rrdhash = rrdentry_hash_new(); | |
442 | ||
443 | cfs_status.iphash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free); | |
444 | ||
445 | cfs_status.memdb_changes = g_hash_table_new(g_str_hash, g_str_equal); | |
446 | ||
447 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
448 | g_hash_table_replace(cfs_status.memdb_changes, | |
449 | memdb_change_array[i].path, | |
450 | &memdb_change_array[i]); | |
451 | } | |
452 | ||
453 | cfs_status.clusterlog = clusterlog_new(); | |
454 | ||
455 | // fixme: | |
456 | clusterlog_add(cfs_status.clusterlog, "root", "cluster", getpid(), | |
457 | LOG_INFO, "starting cluster log"); | |
458 | ||
89fde9ac | 459 | g_mutex_unlock (&mutex); |
fe000966 DM |
460 | } |
461 | ||
462 | void cfs_status_cleanup(void) | |
463 | { | |
89fde9ac | 464 | g_mutex_lock (&mutex); |
fe000966 DM |
465 | |
466 | cfs_status.clinfo_version++; | |
467 | ||
468 | if (cfs_status.clinfo) { | |
469 | cfs_clinfo_destroy(cfs_status.clinfo); | |
470 | cfs_status.clinfo = NULL; | |
471 | } | |
472 | ||
473 | if (cfs_status.vmlist) { | |
474 | g_hash_table_destroy(cfs_status.vmlist); | |
475 | cfs_status.vmlist = NULL; | |
476 | } | |
477 | ||
478 | if (cfs_status.kvhash) { | |
479 | g_hash_table_destroy(cfs_status.kvhash); | |
480 | cfs_status.kvhash = NULL; | |
481 | } | |
482 | ||
483 | if (cfs_status.rrdhash) { | |
484 | g_hash_table_destroy(cfs_status.rrdhash); | |
485 | cfs_status.rrdhash = NULL; | |
486 | } | |
487 | ||
488 | if (cfs_status.iphash) { | |
489 | g_hash_table_destroy(cfs_status.iphash); | |
490 | cfs_status.iphash = NULL; | |
491 | } | |
492 | ||
493 | if (cfs_status.clusterlog) | |
494 | clusterlog_destroy(cfs_status.clusterlog); | |
495 | ||
89fde9ac | 496 | g_mutex_unlock (&mutex); |
fe000966 DM |
497 | } |
498 | ||
499 | void cfs_status_set_clinfo( | |
500 | cfs_clinfo_t *clinfo) | |
501 | { | |
502 | g_return_if_fail(clinfo != NULL); | |
503 | ||
89fde9ac | 504 | g_mutex_lock (&mutex); |
fe000966 DM |
505 | |
506 | cfs_status.clinfo_version++; | |
507 | ||
508 | cfs_clinfo_t *old = cfs_status.clinfo; | |
509 | ||
510 | cfs_status.clinfo = clinfo; | |
511 | ||
512 | cfs_message("update cluster info (cluster name %s, version = %d)", | |
513 | clinfo->cluster_name, clinfo->cman_version); | |
514 | ||
515 | ||
516 | if (old && old->nodes_byid && clinfo->nodes_byid) { | |
517 | /* copy kvstore */ | |
518 | GHashTable *ht = clinfo->nodes_byid; | |
519 | GHashTableIter iter; | |
520 | gpointer key, value; | |
521 | ||
522 | g_hash_table_iter_init (&iter, ht); | |
523 | ||
524 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
525 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
526 | cfs_clnode_t *oldnode; | |
469d3acb | 527 | if ((oldnode = g_hash_table_lookup(old->nodes_byid, key))) { |
fe000966 DM |
528 | node->online = oldnode->online; |
529 | node->kvhash = oldnode->kvhash; | |
530 | oldnode->kvhash = NULL; | |
531 | } | |
532 | } | |
533 | ||
534 | } | |
535 | ||
536 | if (old) | |
537 | cfs_clinfo_destroy(old); | |
538 | ||
539 | ||
89fde9ac | 540 | g_mutex_unlock (&mutex); |
fe000966 DM |
541 | } |
542 | ||
543 | static void | |
544 | dump_kvstore_versions( | |
545 | GString *str, | |
546 | GHashTable *kvhash, | |
547 | const char *nodename) | |
548 | { | |
549 | g_return_if_fail(kvhash != NULL); | |
550 | g_return_if_fail(str != NULL); | |
551 | g_return_if_fail(nodename != NULL); | |
552 | ||
553 | GHashTable *ht = kvhash; | |
554 | GHashTableIter iter; | |
555 | gpointer key, value; | |
556 | ||
557 | g_string_append_printf(str, "\"%s\": {\n", nodename); | |
558 | ||
559 | g_hash_table_iter_init (&iter, ht); | |
560 | ||
561 | int i = 0; | |
562 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
563 | kventry_t *entry = (kventry_t *)value; | |
564 | if (i) g_string_append_printf(str, ",\n"); | |
565 | i++; | |
566 | g_string_append_printf(str,"\"%s\": %u", entry->key, entry->version); | |
567 | } | |
568 | ||
569 | g_string_append_printf(str, "}\n"); | |
570 | } | |
571 | ||
572 | int | |
573 | cfs_create_version_msg(GString *str) | |
574 | { | |
575 | g_return_val_if_fail(str != NULL, -EINVAL); | |
576 | ||
89fde9ac | 577 | g_mutex_lock (&mutex); |
fe000966 DM |
578 | |
579 | g_string_append_printf(str,"{\n"); | |
580 | ||
581 | g_string_append_printf(str, "\"starttime\": %lu,\n", (unsigned long)cfs_status.start_time); | |
582 | ||
583 | g_string_append_printf(str, "\"clinfo\": %u,\n", cfs_status.clinfo_version); | |
584 | ||
585 | g_string_append_printf(str, "\"vmlist\": %u,\n", cfs_status.vmlist_version); | |
586 | ||
587 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
588 | g_string_append_printf(str, "\"%s\": %u,\n", | |
589 | memdb_change_array[i].path, | |
590 | memdb_change_array[i].version); | |
591 | } | |
592 | ||
593 | g_string_append_printf(str, "\"kvstore\": {\n"); | |
594 | ||
595 | dump_kvstore_versions(str, cfs_status.kvhash, cfs.nodename); | |
596 | ||
597 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
598 | ||
599 | if (clinfo && clinfo->nodes_byid) { | |
600 | GHashTable *ht = clinfo->nodes_byid; | |
601 | GHashTableIter iter; | |
602 | gpointer key, value; | |
603 | ||
604 | g_hash_table_iter_init (&iter, ht); | |
605 | ||
606 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
607 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
608 | if (!node->kvhash) | |
609 | continue; | |
610 | g_string_append_printf(str, ",\n"); | |
611 | dump_kvstore_versions(str, node->kvhash, node->name); | |
612 | } | |
613 | } | |
614 | ||
615 | g_string_append_printf(str,"}\n"); | |
616 | ||
617 | g_string_append_printf(str,"}\n"); | |
618 | ||
89fde9ac | 619 | g_mutex_unlock (&mutex); |
fe000966 DM |
620 | |
621 | return 0; | |
622 | } | |
623 | ||
624 | GHashTable * | |
625 | vmlist_hash_new(void) | |
626 | { | |
627 | return g_hash_table_new_full(g_int_hash, g_int_equal, NULL, | |
628 | (GDestroyNotify)vminfo_free); | |
629 | } | |
630 | ||
631 | gboolean | |
632 | vmlist_hash_insert_vm( | |
633 | GHashTable *vmlist, | |
634 | int vmtype, | |
635 | guint32 vmid, | |
636 | const char *nodename, | |
637 | gboolean replace) | |
638 | { | |
639 | g_return_val_if_fail(vmlist != NULL, FALSE); | |
640 | g_return_val_if_fail(nodename != NULL, FALSE); | |
641 | g_return_val_if_fail(vmid != 0, FALSE); | |
c63b596f | 642 | // FIXME: remove openvz stuff for 7.x |
7f66b436 DM |
643 | g_return_val_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
644 | vmtype == VMTYPE_LXC, FALSE); | |
fe000966 DM |
645 | |
646 | if (!replace && g_hash_table_lookup(vmlist, &vmid)) { | |
647 | cfs_critical("detected duplicate VMID %d", vmid); | |
648 | return FALSE; | |
649 | } | |
650 | ||
651 | vminfo_t *vminfo = g_new0(vminfo_t, 1); | |
652 | ||
653 | vminfo->vmid = vmid; | |
654 | vminfo->vmtype = vmtype; | |
655 | vminfo->nodename = g_strdup(nodename); | |
656 | ||
657 | vminfo->version = ++vminfo_version_counter; | |
658 | ||
659 | g_hash_table_replace(vmlist, &vminfo->vmid, vminfo); | |
660 | ||
661 | return TRUE; | |
662 | } | |
663 | ||
664 | void | |
665 | vmlist_register_vm( | |
666 | int vmtype, | |
667 | guint32 vmid, | |
668 | const char *nodename) | |
669 | { | |
670 | g_return_if_fail(cfs_status.vmlist != NULL); | |
671 | g_return_if_fail(nodename != NULL); | |
672 | g_return_if_fail(vmid != 0); | |
c63b596f | 673 | // FIXME: remove openvz stuff for 7.x |
7f66b436 DM |
674 | g_return_if_fail(vmtype == VMTYPE_QEMU || vmtype == VMTYPE_OPENVZ || |
675 | vmtype == VMTYPE_LXC); | |
fe000966 DM |
676 | |
677 | cfs_debug("vmlist_register_vm: %s/%u %d", nodename, vmid, vmtype); | |
678 | ||
89fde9ac | 679 | g_mutex_lock (&mutex); |
fe000966 DM |
680 | |
681 | cfs_status.vmlist_version++; | |
682 | ||
683 | vmlist_hash_insert_vm(cfs_status.vmlist, vmtype, vmid, nodename, TRUE); | |
684 | ||
89fde9ac | 685 | g_mutex_unlock (&mutex); |
fe000966 DM |
686 | } |
687 | ||
688 | gboolean | |
689 | vmlist_different_vm_exists( | |
690 | int vmtype, | |
691 | guint32 vmid, | |
692 | const char *nodename) | |
693 | { | |
694 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
695 | g_return_val_if_fail(vmid != 0, FALSE); | |
696 | ||
697 | gboolean res = FALSE; | |
698 | ||
89fde9ac | 699 | g_mutex_lock (&mutex); |
fe000966 DM |
700 | |
701 | vminfo_t *vminfo; | |
702 | if ((vminfo = (vminfo_t *)g_hash_table_lookup(cfs_status.vmlist, &vmid))) { | |
703 | if (!(vminfo->vmtype == vmtype && strcmp(vminfo->nodename, nodename) == 0)) | |
704 | res = TRUE; | |
705 | } | |
89fde9ac | 706 | g_mutex_unlock (&mutex); |
fe000966 DM |
707 | |
708 | return res; | |
709 | } | |
710 | ||
711 | gboolean | |
712 | vmlist_vm_exists( | |
713 | guint32 vmid) | |
714 | { | |
715 | g_return_val_if_fail(cfs_status.vmlist != NULL, FALSE); | |
716 | g_return_val_if_fail(vmid != 0, FALSE); | |
717 | ||
89fde9ac | 718 | g_mutex_lock (&mutex); |
fe000966 DM |
719 | |
720 | gpointer res = g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
721 | ||
89fde9ac | 722 | g_mutex_unlock (&mutex); |
fe000966 DM |
723 | |
724 | return res != NULL; | |
725 | } | |
726 | ||
727 | void | |
728 | vmlist_delete_vm( | |
729 | guint32 vmid) | |
730 | { | |
731 | g_return_if_fail(cfs_status.vmlist != NULL); | |
732 | g_return_if_fail(vmid != 0); | |
733 | ||
89fde9ac | 734 | g_mutex_lock (&mutex); |
fe000966 DM |
735 | |
736 | cfs_status.vmlist_version++; | |
737 | ||
738 | g_hash_table_remove(cfs_status.vmlist, &vmid); | |
739 | ||
89fde9ac | 740 | g_mutex_unlock (&mutex); |
fe000966 DM |
741 | } |
742 | ||
743 | void cfs_status_set_vmlist( | |
744 | GHashTable *vmlist) | |
745 | { | |
746 | g_return_if_fail(vmlist != NULL); | |
747 | ||
89fde9ac | 748 | g_mutex_lock (&mutex); |
fe000966 DM |
749 | |
750 | cfs_status.vmlist_version++; | |
751 | ||
752 | if (cfs_status.vmlist) | |
753 | g_hash_table_destroy(cfs_status.vmlist); | |
754 | ||
755 | cfs_status.vmlist = vmlist; | |
756 | ||
89fde9ac | 757 | g_mutex_unlock (&mutex); |
fe000966 DM |
758 | } |
759 | ||
760 | int | |
761 | cfs_create_vmlist_msg(GString *str) | |
762 | { | |
763 | g_return_val_if_fail(cfs_status.vmlist != NULL, -EINVAL); | |
764 | g_return_val_if_fail(str != NULL, -EINVAL); | |
765 | ||
89fde9ac | 766 | g_mutex_lock (&mutex); |
fe000966 DM |
767 | |
768 | g_string_append_printf(str,"{\n"); | |
769 | ||
770 | GHashTable *ht = cfs_status.vmlist; | |
771 | ||
772 | guint count = g_hash_table_size(ht); | |
773 | ||
774 | if (!count) { | |
775 | g_string_append_printf(str,"\"version\": %u\n", cfs_status.vmlist_version); | |
776 | } else { | |
777 | g_string_append_printf(str,"\"version\": %u,\n", cfs_status.vmlist_version); | |
778 | ||
779 | g_string_append_printf(str,"\"ids\": {\n"); | |
780 | ||
781 | GHashTableIter iter; | |
782 | gpointer key, value; | |
783 | ||
784 | g_hash_table_iter_init (&iter, ht); | |
785 | ||
786 | int first = 1; | |
787 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
788 | vminfo_t *vminfo = (vminfo_t *)value; | |
c26ca647 | 789 | const char *type = vminfo_type_to_string(vminfo); |
fe000966 DM |
790 | |
791 | if (!first) | |
792 | g_string_append_printf(str, ",\n"); | |
793 | first = 0; | |
794 | ||
795 | g_string_append_printf(str,"\"%u\": { \"node\": \"%s\", \"type\": \"%s\", \"version\": %u }", | |
796 | vminfo->vmid, vminfo->nodename, type, vminfo->version); | |
797 | } | |
798 | ||
799 | g_string_append_printf(str,"}\n"); | |
800 | } | |
801 | g_string_append_printf(str,"\n}\n"); | |
802 | ||
89fde9ac | 803 | g_mutex_unlock (&mutex); |
fe000966 DM |
804 | |
805 | return 0; | |
806 | } | |
807 | ||
cf1b19d9 TL |
808 | // checks the conf for a line starting with '$prop:' and returns the value |
809 | // afterwards, whitout initial whitespace(s), we only deal with the format | |
810 | // restricion imposed by our perl VM config parser, main reference is | |
811 | // PVE::QemuServer::parse_vm_config this allows to be very fast and still | |
812 | // relatively simple | |
813 | // main restrictions used for our advantage is the properties match reges: | |
814 | // ($line =~ m/^([a-z][a-z_]*\d*):\s*(.+?)\s*$/) from parse_vm_config | |
815 | // currently we only look at the current configuration in place, i.e., *no* | |
816 | // snapshort and *no* pending changes | |
817 | static char * | |
5c86492f | 818 | _get_property_value(char *conf, int conf_size, const char *prop, int prop_len) |
cf1b19d9 | 819 | { |
217a9463 | 820 | const char *const conf_end = conf + conf_size; |
5c86492f | 821 | char *line = conf; |
217a9463 | 822 | size_t remaining_size; |
5c86492f TL |
823 | |
824 | char *next_newline = memchr(conf, '\n', conf_size); | |
825 | if (next_newline == NULL) { | |
826 | return NULL; // valid property lines end with \n, but none in the config | |
827 | } | |
828 | *next_newline = '\0'; | |
cf1b19d9 | 829 | |
cf1b19d9 TL |
830 | while (line != NULL) { |
831 | if (!line[0]) goto next; | |
832 | ||
5c86492f | 833 | // snapshot or pending section start, but nothing found yet -> not found |
cf1b19d9 TL |
834 | if (line[0] == '[') return NULL; |
835 | // properties start with /^[a-z]/, so continue early if not | |
836 | if (line[0] < 'a' || line[0] > 'z') goto next; | |
837 | ||
838 | int line_len = strlen(line); | |
839 | if (line_len <= prop_len + 1) goto next; | |
840 | ||
841 | if (line[prop_len] == ':' && memcmp(line, prop, prop_len) == 0) { // found | |
842 | char *v_start = &line[prop_len + 1]; | |
843 | ||
844 | // drop initial value whitespaces here already | |
845 | while (*v_start && isspace(*v_start)) v_start++; | |
846 | ||
847 | if (!*v_start) return NULL; | |
848 | ||
849 | char *v_end = &line[line_len - 1]; | |
850 | while (v_end > v_start && isspace(*v_end)) v_end--; | |
851 | v_end[1] = '\0'; | |
852 | ||
853 | return v_start; | |
854 | } | |
855 | next: | |
217a9463 WB |
856 | line = next_newline + 1; |
857 | remaining_size = conf_end - line; | |
858 | if (remaining_size <= prop_len) { | |
5c86492f TL |
859 | return NULL; |
860 | } | |
5c86492f TL |
861 | next_newline = memchr(line, '\n', remaining_size); |
862 | if (next_newline == NULL) { | |
863 | return NULL; // valid property lines end with \n, but none in the config | |
864 | } | |
865 | *next_newline = '\0'; | |
cf1b19d9 TL |
866 | } |
867 | ||
868 | return NULL; // not found | |
869 | } | |
870 | ||
cb7cea80 TL |
871 | static void |
872 | _g_str_append_kv_jsonescaped(GString *str, const char *k, const char *v) | |
873 | { | |
874 | g_string_append_printf(str, "\"%s\": \"", k); | |
875 | ||
876 | for (; *v; v++) { | |
877 | if (*v == '\\' || *v == '"') { | |
878 | g_string_append_c(str, '\\'); | |
879 | } | |
880 | g_string_append_c(str, *v); | |
881 | } | |
882 | ||
883 | g_string_append_c(str, '"'); | |
884 | } | |
885 | ||
cf1b19d9 TL |
886 | int |
887 | cfs_create_guest_conf_property_msg(GString *str, memdb_t *memdb, const char *prop, uint32_t vmid) | |
888 | { | |
889 | g_return_val_if_fail(cfs_status.vmlist != NULL, -EINVAL); | |
890 | g_return_val_if_fail(str != NULL, -EINVAL); | |
891 | ||
892 | int prop_len = strlen(prop); | |
893 | int res = 0; | |
894 | GString *path = NULL; | |
895 | ||
4fb4cb7a KG |
896 | // Prelock &memdb->mutex in order to enable the usage of memdb_read_nolock |
897 | // to prevent Deadlocks as in #2553 | |
898 | g_mutex_lock (&memdb->mutex); | |
cf1b19d9 TL |
899 | g_mutex_lock (&mutex); |
900 | ||
901 | g_string_printf(str,"{\n"); | |
902 | ||
903 | GHashTable *ht = cfs_status.vmlist; | |
904 | gpointer tmp = NULL; | |
905 | if (!g_hash_table_size(ht)) { | |
906 | goto ret; | |
907 | } | |
908 | ||
b68b75f9 TL |
909 | if ((path = g_string_sized_new(256)) == NULL) { |
910 | res = -ENOMEM; | |
911 | goto ret; | |
912 | } | |
913 | ||
cf1b19d9 TL |
914 | if (vmid >= 100) { |
915 | vminfo_t *vminfo = (vminfo_t *) g_hash_table_lookup(cfs_status.vmlist, &vmid); | |
916 | if (vminfo == NULL) goto enoent; | |
917 | ||
918 | if (!vminfo_to_path(vminfo, path)) goto err; | |
919 | ||
4fb4cb7a KG |
920 | // use memdb_read_nolock because lock is handled here |
921 | int size = memdb_read_nolock(memdb, path->str, &tmp); | |
cf1b19d9 TL |
922 | if (tmp == NULL) goto err; |
923 | if (size <= prop_len) goto ret; | |
924 | ||
5c86492f | 925 | char *val = _get_property_value(tmp, size, prop, prop_len); |
cf1b19d9 TL |
926 | if (val == NULL) goto ret; |
927 | ||
cb7cea80 TL |
928 | g_string_append_printf(str, "\"%u\":{", vmid); |
929 | _g_str_append_kv_jsonescaped(str, prop, val); | |
930 | g_string_append_c(str, '}'); | |
cf1b19d9 TL |
931 | |
932 | } else { | |
933 | GHashTableIter iter; | |
934 | g_hash_table_iter_init (&iter, ht); | |
935 | ||
936 | gpointer key, value; | |
937 | int first = 1; | |
938 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
939 | vminfo_t *vminfo = (vminfo_t *)value; | |
940 | ||
941 | if (!vminfo_to_path(vminfo, path)) goto err; | |
942 | ||
943 | g_free(tmp); // no-op if already null | |
944 | tmp = NULL; | |
4fb4cb7a KG |
945 | // use memdb_read_nolock because lock is handled here |
946 | int size = memdb_read_nolock(memdb, path->str, &tmp); | |
cf1b19d9 TL |
947 | if (tmp == NULL || size <= prop_len) continue; |
948 | ||
5c86492f | 949 | char *val = _get_property_value(tmp, size, prop, prop_len); |
cf1b19d9 TL |
950 | if (val == NULL) continue; |
951 | ||
952 | if (!first) g_string_append_printf(str, ",\n"); | |
953 | else first = 0; | |
954 | ||
cb7cea80 TL |
955 | g_string_append_printf(str, "\"%u\":{", vminfo->vmid); |
956 | _g_str_append_kv_jsonescaped(str, prop, val); | |
957 | g_string_append_c(str, '}'); | |
cf1b19d9 TL |
958 | } |
959 | } | |
960 | ret: | |
961 | g_free(tmp); | |
3f1c7eb1 TL |
962 | if (path != NULL) { |
963 | g_string_free(path, TRUE); | |
964 | } | |
cf1b19d9 TL |
965 | g_string_append_printf(str,"\n}\n"); |
966 | g_mutex_unlock (&mutex); | |
4fb4cb7a | 967 | g_mutex_unlock (&memdb->mutex); |
cf1b19d9 TL |
968 | return res; |
969 | err: | |
970 | res = -EIO; | |
971 | goto ret; | |
972 | enoent: | |
973 | res = -ENOENT; | |
974 | goto ret; | |
975 | } | |
976 | ||
fe000966 DM |
977 | void |
978 | record_memdb_change(const char *path) | |
979 | { | |
980 | g_return_if_fail(cfs_status.memdb_changes != 0); | |
981 | ||
982 | memdb_change_t *ce; | |
983 | ||
984 | if ((ce = (memdb_change_t *)g_hash_table_lookup(cfs_status.memdb_changes, path))) { | |
985 | ce->version++; | |
986 | } | |
987 | } | |
988 | ||
989 | void | |
990 | record_memdb_reload(void) | |
991 | { | |
992 | for (int i = 0; i < G_N_ELEMENTS(memdb_change_array); i++) { | |
993 | memdb_change_array[i].version++; | |
994 | } | |
995 | } | |
996 | ||
997 | static gboolean | |
998 | kventry_hash_set( | |
999 | GHashTable *kvhash, | |
1000 | const char *key, | |
1001 | gconstpointer data, | |
1002 | size_t len) | |
1003 | { | |
1004 | g_return_val_if_fail(kvhash != NULL, FALSE); | |
1005 | g_return_val_if_fail(key != NULL, FALSE); | |
1006 | g_return_val_if_fail(data != NULL, FALSE); | |
1007 | ||
1008 | kventry_t *entry; | |
71cc17bc DC |
1009 | if (!len) { |
1010 | g_hash_table_remove(kvhash, key); | |
1011 | } else if ((entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
fe000966 DM |
1012 | g_free(entry->data); |
1013 | entry->data = g_memdup(data, len); | |
1014 | entry->len = len; | |
1015 | entry->version++; | |
1016 | } else { | |
1017 | kventry_t *entry = g_new0(kventry_t, 1); | |
1018 | ||
1019 | entry->key = g_strdup(key); | |
1020 | entry->data = g_memdup(data, len); | |
1021 | entry->len = len; | |
1022 | ||
1023 | g_hash_table_replace(kvhash, entry->key, entry); | |
1024 | } | |
1025 | ||
1026 | return TRUE; | |
1027 | } | |
1028 | ||
1029 | static const char *rrd_def_node[] = { | |
1030 | "DS:loadavg:GAUGE:120:0:U", | |
1031 | "DS:maxcpu:GAUGE:120:0:U", | |
1032 | "DS:cpu:GAUGE:120:0:U", | |
1033 | "DS:iowait:GAUGE:120:0:U", | |
1034 | "DS:memtotal:GAUGE:120:0:U", | |
1035 | "DS:memused:GAUGE:120:0:U", | |
1036 | "DS:swaptotal:GAUGE:120:0:U", | |
1037 | "DS:swapused:GAUGE:120:0:U", | |
1038 | "DS:roottotal:GAUGE:120:0:U", | |
1039 | "DS:rootused:GAUGE:120:0:U", | |
764296f1 DM |
1040 | "DS:netin:DERIVE:120:0:U", |
1041 | "DS:netout:DERIVE:120:0:U", | |
fe000966 DM |
1042 | |
1043 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1044 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1045 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1046 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1047 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1048 | ||
1049 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1050 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1051 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1052 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1053 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1054 | NULL, | |
1055 | }; | |
1056 | ||
1057 | static const char *rrd_def_vm[] = { | |
1058 | "DS:maxcpu:GAUGE:120:0:U", | |
1059 | "DS:cpu:GAUGE:120:0:U", | |
1060 | "DS:maxmem:GAUGE:120:0:U", | |
1061 | "DS:mem:GAUGE:120:0:U", | |
1062 | "DS:maxdisk:GAUGE:120:0:U", | |
1063 | "DS:disk:GAUGE:120:0:U", | |
764296f1 DM |
1064 | "DS:netin:DERIVE:120:0:U", |
1065 | "DS:netout:DERIVE:120:0:U", | |
1066 | "DS:diskread:DERIVE:120:0:U", | |
1067 | "DS:diskwrite:DERIVE:120:0:U", | |
fe000966 DM |
1068 | |
1069 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1070 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1071 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1072 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1073 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1074 | ||
1075 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1076 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1077 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1078 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1079 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1080 | NULL, | |
1081 | }; | |
1082 | ||
1083 | static const char *rrd_def_storage[] = { | |
1084 | "DS:total:GAUGE:120:0:U", | |
1085 | "DS:used:GAUGE:120:0:U", | |
1086 | ||
1087 | "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour | |
1088 | "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day | |
1089 | "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week | |
1090 | "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month | |
1091 | "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year | |
1092 | ||
1093 | "RRA:MAX:0.5:1:70", // 1 min max - one hour | |
1094 | "RRA:MAX:0.5:30:70", // 30 min max - one day | |
1095 | "RRA:MAX:0.5:180:70", // 3 hour max - one week | |
1096 | "RRA:MAX:0.5:720:70", // 12 hour max - one month | |
1097 | "RRA:MAX:0.5:10080:70", // 7 day max - ony year | |
1098 | NULL, | |
1099 | }; | |
1100 | ||
1101 | #define RRDDIR "/var/lib/rrdcached/db" | |
1102 | ||
1103 | static void | |
1104 | create_rrd_file( | |
1105 | const char *filename, | |
1106 | int argcount, | |
1107 | const char *rrddef[]) | |
1108 | { | |
1109 | /* start at day boundary */ | |
1110 | time_t ctime; | |
1111 | time(&ctime); | |
1112 | struct tm *ltm = localtime(&ctime); | |
1113 | ltm->tm_sec = 0; | |
1114 | ltm->tm_min = 0; | |
1115 | ltm->tm_hour = 0; | |
1116 | ||
1117 | rrd_clear_error(); | |
1118 | if (rrd_create_r(filename, 60, timelocal(ltm), argcount, rrddef)) { | |
1119 | cfs_message("RRD create error %s: %s", filename, rrd_get_error()); | |
1120 | } | |
1121 | } | |
1122 | ||
1123 | static inline const char * | |
1124 | rrd_skip_data( | |
1125 | const char *data, | |
1126 | int count) | |
1127 | { | |
1128 | int found = 0; | |
1129 | while (*data && found < count) { | |
1130 | if (*data++ == ':') | |
1131 | found++; | |
1132 | } | |
1133 | return data; | |
1134 | } | |
1135 | ||
1136 | static void | |
1137 | update_rrd_data( | |
1138 | const char *key, | |
1139 | gconstpointer data, | |
1140 | size_t len) | |
1141 | { | |
1142 | g_return_if_fail(key != NULL); | |
1143 | g_return_if_fail(data != NULL); | |
1144 | g_return_if_fail(len > 0); | |
1145 | g_return_if_fail(len < 4096); | |
1146 | ||
1147 | static const char *rrdcsock = "unix:/var/run/rrdcached.sock"; | |
1148 | ||
1149 | int use_daemon = 1; | |
1150 | if (rrdc_connect(rrdcsock) != 0) | |
1151 | use_daemon = 0; | |
1152 | ||
ba9dcfc1 | 1153 | char *filename = NULL; |
fe000966 DM |
1154 | |
1155 | int skip = 0; | |
1156 | ||
1157 | if (strncmp(key, "pve2-node/", 10) == 0) { | |
1158 | const char *node = key + 10; | |
1159 | ||
f9c865a8 | 1160 | skip = 2; |
fe000966 DM |
1161 | |
1162 | if (strchr(node, '/') != NULL) | |
1163 | goto keyerror; | |
1164 | ||
1165 | if (strlen(node) < 1) | |
1166 | goto keyerror; | |
1167 | ||
ba9dcfc1 DM |
1168 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1169 | ||
fe000966 DM |
1170 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1171 | ||
1172 | mkdir(RRDDIR "/pve2-node", 0755); | |
1173 | int argcount = sizeof(rrd_def_node)/sizeof(void*) - 1; | |
1174 | create_rrd_file(filename, argcount, rrd_def_node); | |
1175 | } | |
1176 | ||
ba9dcfc1 DM |
1177 | } else if ((strncmp(key, "pve2-vm/", 8) == 0) || |
1178 | (strncmp(key, "pve2.3-vm/", 10) == 0)) { | |
1179 | const char *vmid; | |
fe000966 | 1180 | |
ba9dcfc1 DM |
1181 | if (strncmp(key, "pve2-vm/", 8) == 0) { |
1182 | vmid = key + 8; | |
1183 | skip = 2; | |
1184 | } else { | |
1185 | vmid = key + 10; | |
94e4cba3 | 1186 | skip = 4; |
ba9dcfc1 | 1187 | } |
fe000966 DM |
1188 | |
1189 | if (strchr(vmid, '/') != NULL) | |
1190 | goto keyerror; | |
1191 | ||
1192 | if (strlen(vmid) < 1) | |
1193 | goto keyerror; | |
1194 | ||
ba9dcfc1 DM |
1195 | filename = g_strdup_printf(RRDDIR "/%s/%s", "pve2-vm", vmid); |
1196 | ||
fe000966 DM |
1197 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1198 | ||
1199 | mkdir(RRDDIR "/pve2-vm", 0755); | |
1200 | int argcount = sizeof(rrd_def_vm)/sizeof(void*) - 1; | |
1201 | create_rrd_file(filename, argcount, rrd_def_vm); | |
1202 | } | |
1203 | ||
1204 | } else if (strncmp(key, "pve2-storage/", 13) == 0) { | |
1205 | const char *node = key + 13; | |
1206 | ||
1207 | const char *storage = node; | |
1208 | while (*storage && *storage != '/') | |
1209 | storage++; | |
1210 | ||
1211 | if (*storage != '/' || ((storage - node) < 1)) | |
1212 | goto keyerror; | |
1213 | ||
1214 | storage++; | |
1215 | ||
1216 | if (strchr(storage, '/') != NULL) | |
1217 | goto keyerror; | |
1218 | ||
1219 | if (strlen(storage) < 1) | |
1220 | goto keyerror; | |
1221 | ||
ba9dcfc1 DM |
1222 | filename = g_strdup_printf(RRDDIR "/%s", key); |
1223 | ||
fe000966 DM |
1224 | if (!g_file_test(filename, G_FILE_TEST_EXISTS)) { |
1225 | ||
1226 | mkdir(RRDDIR "/pve2-storage", 0755); | |
1227 | ||
1228 | char *dir = g_path_get_dirname(filename); | |
1229 | mkdir(dir, 0755); | |
1230 | g_free(dir); | |
1231 | ||
1232 | int argcount = sizeof(rrd_def_storage)/sizeof(void*) - 1; | |
1233 | create_rrd_file(filename, argcount, rrd_def_storage); | |
1234 | } | |
1235 | ||
1236 | } else { | |
1237 | goto keyerror; | |
1238 | } | |
1239 | ||
1240 | const char *dp = skip ? rrd_skip_data(data, skip) : data; | |
1241 | ||
1242 | const char *update_args[] = { dp, NULL }; | |
1243 | ||
1244 | if (use_daemon) { | |
1245 | int status; | |
1246 | if ((status = rrdc_update(filename, 1, update_args)) != 0) { | |
1247 | cfs_message("RRDC update error %s: %d", filename, status); | |
1248 | rrdc_disconnect(); | |
1249 | rrd_clear_error(); | |
1250 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1251 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1252 | } | |
1253 | } | |
1254 | ||
1255 | } else { | |
1256 | rrd_clear_error(); | |
1257 | if (rrd_update_r(filename, NULL, 1, update_args) != 0) { | |
1258 | cfs_message("RRD update error %s: %s", filename, rrd_get_error()); | |
1259 | } | |
1260 | } | |
1261 | ||
1262 | ret: | |
ba9dcfc1 DM |
1263 | if (filename) |
1264 | g_free(filename); | |
1265 | ||
fe000966 DM |
1266 | return; |
1267 | ||
1268 | keyerror: | |
1269 | cfs_critical("RRD update error: unknown/wrong key %s", key); | |
1270 | goto ret; | |
1271 | } | |
1272 | ||
1273 | static gboolean | |
1274 | rrd_entry_is_old( | |
1275 | gpointer key, | |
1276 | gpointer value, | |
1277 | gpointer user_data) | |
1278 | { | |
1279 | rrdentry_t *entry = (rrdentry_t *)value; | |
1280 | uint32_t ctime = GPOINTER_TO_UINT(user_data); | |
1281 | ||
1282 | int diff = ctime - entry->time; | |
1283 | ||
1284 | /* remove everything older than 5 minutes */ | |
1285 | int expire = 60*5; | |
1286 | ||
1287 | return (diff > expire) ? TRUE : FALSE; | |
1288 | } | |
1289 | ||
1290 | static char *rrd_dump_buf = NULL; | |
1291 | static time_t rrd_dump_last = 0; | |
1292 | ||
1293 | void | |
1294 | cfs_rrd_dump(GString *str) | |
1295 | { | |
1296 | time_t ctime; | |
fe000966 | 1297 | |
663896cf TL |
1298 | g_mutex_lock (&mutex); |
1299 | ||
1300 | time(&ctime); | |
fe000966 DM |
1301 | if (rrd_dump_buf && (ctime - rrd_dump_last) < 2) { |
1302 | g_string_assign(str, rrd_dump_buf); | |
663896cf | 1303 | g_mutex_unlock (&mutex); |
fe000966 DM |
1304 | return; |
1305 | } | |
1306 | ||
1307 | /* remove old data */ | |
1308 | g_hash_table_foreach_remove(cfs_status.rrdhash, rrd_entry_is_old, | |
1309 | GUINT_TO_POINTER(ctime)); | |
1310 | ||
1311 | g_string_set_size(str, 0); | |
1312 | ||
1313 | GHashTableIter iter; | |
1314 | gpointer key, value; | |
1315 | ||
1316 | g_hash_table_iter_init (&iter, cfs_status.rrdhash); | |
1317 | ||
1318 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1319 | rrdentry_t *entry = (rrdentry_t *)value; | |
1320 | g_string_append(str, key); | |
1321 | g_string_append(str, ":"); | |
1322 | g_string_append(str, entry->data); | |
1323 | g_string_append(str, "\n"); | |
1324 | } | |
1325 | ||
1326 | g_string_append_c(str, 0); // never return undef | |
1327 | ||
1328 | rrd_dump_last = ctime; | |
1329 | if (rrd_dump_buf) | |
1330 | g_free(rrd_dump_buf); | |
1331 | rrd_dump_buf = g_strdup(str->str); | |
663896cf TL |
1332 | |
1333 | g_mutex_unlock (&mutex); | |
fe000966 DM |
1334 | } |
1335 | ||
1336 | static gboolean | |
1337 | nodeip_hash_set( | |
1338 | GHashTable *iphash, | |
1339 | const char *nodename, | |
1340 | const char *ip, | |
1341 | size_t len) | |
1342 | { | |
1343 | g_return_val_if_fail(iphash != NULL, FALSE); | |
1344 | g_return_val_if_fail(nodename != NULL, FALSE); | |
1345 | g_return_val_if_fail(ip != NULL, FALSE); | |
1346 | g_return_val_if_fail(len > 0, FALSE); | |
1347 | g_return_val_if_fail(len < 256, FALSE); | |
1348 | g_return_val_if_fail(ip[len-1] == 0, FALSE); | |
1349 | ||
1350 | char *oldip = (char *)g_hash_table_lookup(iphash, nodename); | |
1351 | ||
1352 | if (!oldip || (strcmp(oldip, ip) != 0)) { | |
1353 | cfs_status.clinfo_version++; | |
1354 | g_hash_table_replace(iphash, g_strdup(nodename), g_strdup(ip)); | |
1355 | } | |
1356 | ||
1357 | return TRUE; | |
1358 | } | |
1359 | ||
1360 | static gboolean | |
1361 | rrdentry_hash_set( | |
1362 | GHashTable *rrdhash, | |
1363 | const char *key, | |
1364 | const char *data, | |
1365 | size_t len) | |
1366 | { | |
1367 | g_return_val_if_fail(rrdhash != NULL, FALSE); | |
1368 | g_return_val_if_fail(key != NULL, FALSE); | |
1369 | g_return_val_if_fail(data != NULL, FALSE); | |
1370 | g_return_val_if_fail(len > 0, FALSE); | |
1371 | g_return_val_if_fail(len < 4096, FALSE); | |
1372 | g_return_val_if_fail(data[len-1] == 0, FALSE); | |
1373 | ||
1374 | rrdentry_t *entry; | |
1375 | if ((entry = (rrdentry_t *)g_hash_table_lookup(rrdhash, key))) { | |
1376 | g_free(entry->data); | |
1377 | entry->data = g_memdup(data, len); | |
1378 | entry->len = len; | |
1379 | entry->time = time(NULL); | |
1380 | } else { | |
1381 | rrdentry_t *entry = g_new0(rrdentry_t, 1); | |
1382 | ||
1383 | entry->key = g_strdup(key); | |
1384 | entry->data = g_memdup(data, len); | |
1385 | entry->len = len; | |
1386 | entry->time = time(NULL); | |
1387 | ||
1388 | g_hash_table_replace(rrdhash, entry->key, entry); | |
1389 | } | |
1390 | ||
1391 | update_rrd_data(key, data, len); | |
1392 | ||
1393 | return TRUE; | |
1394 | } | |
1395 | ||
1396 | static int | |
1397 | kvstore_send_update_message( | |
1398 | dfsm_t *dfsm, | |
1399 | const char *key, | |
1400 | gpointer data, | |
1401 | guint32 len) | |
1402 | { | |
af2e9dd4 DM |
1403 | if (!dfsm_is_initialized(dfsm)) |
1404 | return -EACCES; | |
fe000966 DM |
1405 | |
1406 | struct iovec iov[2]; | |
1407 | ||
1408 | char name[256]; | |
1409 | g_strlcpy(name, key, sizeof(name)); | |
1410 | ||
1411 | iov[0].iov_base = &name; | |
1412 | iov[0].iov_len = sizeof(name); | |
1413 | ||
1414 | iov[1].iov_base = (char *)data; | |
1415 | iov[1].iov_len = len; | |
1416 | ||
1417 | if (dfsm_send_message(dfsm, KVSTORE_MESSAGE_UPDATE, iov, 2) == CS_OK) | |
1418 | return 0; | |
1419 | ||
1420 | return -EACCES; | |
1421 | } | |
1422 | ||
1423 | static clog_entry_t * | |
1424 | kvstore_parse_log_message( | |
1425 | const void *msg, | |
1426 | size_t msg_len) | |
1427 | { | |
1428 | g_return_val_if_fail(msg != NULL, NULL); | |
1429 | ||
1430 | if (msg_len < sizeof(clog_entry_t)) { | |
e5a5a3ea | 1431 | cfs_critical("received short log message (%zu < %zu)", msg_len, sizeof(clog_entry_t)); |
fe000966 DM |
1432 | return NULL; |
1433 | } | |
1434 | ||
1435 | clog_entry_t *entry = (clog_entry_t *)msg; | |
1436 | ||
1437 | uint32_t size = sizeof(clog_entry_t) + entry->node_len + | |
1438 | entry->ident_len + entry->tag_len + entry->msg_len; | |
1439 | ||
1440 | if (msg_len != size) { | |
e5a5a3ea | 1441 | cfs_critical("received log message with wrong size (%zu != %u)", msg_len, size); |
fe000966 DM |
1442 | return NULL; |
1443 | } | |
1444 | ||
ce669d14 | 1445 | char *msgptr = entry->data; |
fe000966 | 1446 | |
ce669d14 | 1447 | if (*((char *)msgptr + entry->node_len - 1)) { |
fe000966 DM |
1448 | cfs_critical("unterminated string in log message"); |
1449 | return NULL; | |
1450 | } | |
ce669d14 | 1451 | msgptr += entry->node_len; |
fe000966 | 1452 | |
ce669d14 | 1453 | if (*((char *)msgptr + entry->ident_len - 1)) { |
fe000966 DM |
1454 | cfs_critical("unterminated string in log message"); |
1455 | return NULL; | |
1456 | } | |
ce669d14 | 1457 | msgptr += entry->ident_len; |
fe000966 | 1458 | |
ce669d14 | 1459 | if (*((char *)msgptr + entry->tag_len - 1)) { |
fe000966 DM |
1460 | cfs_critical("unterminated string in log message"); |
1461 | return NULL; | |
1462 | } | |
ce669d14 | 1463 | msgptr += entry->tag_len; |
fe000966 | 1464 | |
ce669d14 | 1465 | if (*((char *)msgptr + entry->msg_len - 1)) { |
fe000966 DM |
1466 | cfs_critical("unterminated string in log message"); |
1467 | return NULL; | |
1468 | } | |
1469 | ||
1470 | return entry; | |
1471 | } | |
1472 | ||
1473 | static gboolean | |
1474 | kvstore_parse_update_message( | |
1475 | const void *msg, | |
1476 | size_t msg_len, | |
1477 | const char **key, | |
1478 | gconstpointer *data, | |
1479 | guint32 *len) | |
1480 | { | |
1481 | g_return_val_if_fail(msg != NULL, FALSE); | |
1482 | g_return_val_if_fail(key != NULL, FALSE); | |
1483 | g_return_val_if_fail(data != NULL, FALSE); | |
1484 | g_return_val_if_fail(len != NULL, FALSE); | |
1485 | ||
1486 | if (msg_len < 256) { | |
e5a5a3ea | 1487 | cfs_critical("received short kvstore message (%zu < 256)", msg_len); |
fe000966 DM |
1488 | return FALSE; |
1489 | } | |
1490 | ||
1491 | /* test if key is null terminated */ | |
1492 | int i = 0; | |
1493 | for (i = 0; i < 256; i++) | |
1494 | if (((char *)msg)[i] == 0) | |
1495 | break; | |
1496 | ||
1497 | if (i == 256) | |
1498 | return FALSE; | |
1499 | ||
1500 | ||
1501 | *len = msg_len - 256; | |
1502 | *key = msg; | |
ce669d14 | 1503 | *data = (char *) msg + 256; |
fe000966 DM |
1504 | |
1505 | return TRUE; | |
1506 | } | |
1507 | ||
1508 | int | |
1509 | cfs_create_status_msg( | |
1510 | GString *str, | |
1511 | const char *nodename, | |
1512 | const char *key) | |
1513 | { | |
1514 | g_return_val_if_fail(str != NULL, -EINVAL); | |
1515 | g_return_val_if_fail(key != NULL, -EINVAL); | |
1516 | ||
1517 | int res = -ENOENT; | |
1518 | ||
1519 | GHashTable *kvhash = NULL; | |
1520 | ||
89fde9ac | 1521 | g_mutex_lock (&mutex); |
fe000966 DM |
1522 | |
1523 | if (!nodename || !nodename[0] || !strcmp(nodename, cfs.nodename)) { | |
1524 | kvhash = cfs_status.kvhash; | |
043bbd8f | 1525 | } else if (cfs_status.clinfo && cfs_status.clinfo->nodes_byname) { |
fe000966 DM |
1526 | cfs_clnode_t *clnode; |
1527 | if ((clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byname, nodename))) | |
1528 | kvhash = clnode->kvhash; | |
1529 | } | |
1530 | ||
1531 | kventry_t *entry; | |
1532 | if (kvhash && (entry = (kventry_t *)g_hash_table_lookup(kvhash, key))) { | |
1533 | g_string_append_len(str, entry->data, entry->len); | |
1534 | res = 0; | |
1535 | } | |
1536 | ||
89fde9ac | 1537 | g_mutex_unlock (&mutex); |
fe000966 DM |
1538 | |
1539 | return res; | |
1540 | } | |
1541 | ||
1542 | int | |
1543 | cfs_status_set( | |
1544 | const char *key, | |
1545 | gpointer data, | |
1546 | size_t len) | |
1547 | { | |
1548 | g_return_val_if_fail(key != NULL, FALSE); | |
1549 | g_return_val_if_fail(data != NULL, FALSE); | |
1550 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1551 | ||
1552 | if (len > CFS_MAX_STATUS_SIZE) | |
1553 | return -EFBIG; | |
1554 | ||
89fde9ac | 1555 | g_mutex_lock (&mutex); |
fe000966 DM |
1556 | |
1557 | gboolean res; | |
1558 | ||
1559 | if (strncmp(key, "rrd/", 4) == 0) { | |
1560 | res = rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1561 | } else if (!strcmp(key, "nodeip")) { | |
1562 | res = nodeip_hash_set(cfs_status.iphash, cfs.nodename, data, len); | |
1563 | } else { | |
1564 | res = kventry_hash_set(cfs_status.kvhash, key, data, len); | |
1565 | } | |
89fde9ac | 1566 | g_mutex_unlock (&mutex); |
fe000966 DM |
1567 | |
1568 | if (cfs_status.kvstore) | |
1569 | kvstore_send_update_message(cfs_status.kvstore, key, data, len); | |
1570 | ||
1571 | return res ? 0 : -ENOMEM; | |
1572 | } | |
1573 | ||
1574 | gboolean | |
1575 | cfs_kvstore_node_set( | |
1576 | uint32_t nodeid, | |
1577 | const char *key, | |
1578 | gconstpointer data, | |
1579 | size_t len) | |
1580 | { | |
1581 | g_return_val_if_fail(nodeid != 0, FALSE); | |
1582 | g_return_val_if_fail(key != NULL, FALSE); | |
1583 | g_return_val_if_fail(data != NULL, FALSE); | |
1584 | ||
89fde9ac | 1585 | g_mutex_lock (&mutex); |
fe000966 DM |
1586 | |
1587 | if (!cfs_status.clinfo || !cfs_status.clinfo->nodes_byid) | |
1588 | goto ret; /* ignore */ | |
1589 | ||
1590 | cfs_clnode_t *clnode = g_hash_table_lookup(cfs_status.clinfo->nodes_byid, &nodeid); | |
1591 | if (!clnode) | |
1592 | goto ret; /* ignore */ | |
1593 | ||
1594 | cfs_debug("got node %d status update %s", nodeid, key); | |
1595 | ||
1596 | if (strncmp(key, "rrd/", 4) == 0) { | |
1597 | rrdentry_hash_set(cfs_status.rrdhash, key + 4, data, len); | |
1598 | } else if (!strcmp(key, "nodeip")) { | |
1599 | nodeip_hash_set(cfs_status.iphash, clnode->name, data, len); | |
1600 | } else { | |
1601 | if (!clnode->kvhash) { | |
1602 | if (!(clnode->kvhash = kventry_hash_new())) { | |
1603 | goto ret; /*ignore */ | |
1604 | } | |
1605 | } | |
1606 | ||
1607 | kventry_hash_set(clnode->kvhash, key, data, len); | |
1608 | ||
1609 | } | |
1610 | ret: | |
89fde9ac | 1611 | g_mutex_unlock (&mutex); |
fe000966 DM |
1612 | |
1613 | return TRUE; | |
1614 | } | |
1615 | ||
1616 | static gboolean | |
1617 | cfs_kvstore_sync(void) | |
1618 | { | |
1619 | g_return_val_if_fail(cfs_status.kvhash != NULL, FALSE); | |
1620 | g_return_val_if_fail(cfs_status.kvstore != NULL, FALSE); | |
1621 | ||
1622 | gboolean res = TRUE; | |
1623 | ||
89fde9ac | 1624 | g_mutex_lock (&mutex); |
fe000966 DM |
1625 | |
1626 | GHashTable *ht = cfs_status.kvhash; | |
1627 | GHashTableIter iter; | |
1628 | gpointer key, value; | |
1629 | ||
1630 | g_hash_table_iter_init (&iter, ht); | |
1631 | ||
1632 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1633 | kventry_t *entry = (kventry_t *)value; | |
1634 | kvstore_send_update_message(cfs_status.kvstore, entry->key, entry->data, entry->len); | |
1635 | } | |
1636 | ||
89fde9ac | 1637 | g_mutex_unlock (&mutex); |
fe000966 DM |
1638 | |
1639 | return res; | |
1640 | } | |
1641 | ||
1642 | static int | |
1643 | dfsm_deliver( | |
1644 | dfsm_t *dfsm, | |
1645 | gpointer data, | |
1646 | int *res_ptr, | |
1647 | uint32_t nodeid, | |
1648 | uint32_t pid, | |
1649 | uint16_t msg_type, | |
1650 | uint32_t msg_time, | |
1651 | const void *msg, | |
1652 | size_t msg_len) | |
1653 | { | |
1654 | g_return_val_if_fail(dfsm != NULL, -1); | |
1655 | g_return_val_if_fail(msg != NULL, -1); | |
1656 | g_return_val_if_fail(res_ptr != NULL, -1); | |
1657 | ||
1658 | /* ignore message for ourself */ | |
1659 | if (dfsm_nodeid_is_local(dfsm, nodeid, pid)) | |
1660 | goto ret; | |
1661 | ||
1662 | if (msg_type == KVSTORE_MESSAGE_UPDATE) { | |
1663 | const char *key; | |
1664 | gconstpointer data; | |
1665 | guint32 len; | |
1666 | if (kvstore_parse_update_message(msg, msg_len, &key, &data, &len)) { | |
1667 | cfs_kvstore_node_set(nodeid, key, data, len); | |
1668 | } else { | |
1669 | cfs_critical("cant parse update message"); | |
1670 | } | |
1671 | } else if (msg_type == KVSTORE_MESSAGE_LOG) { | |
1672 | cfs_message("received log"); // fixme: remove | |
1673 | const clog_entry_t *entry; | |
1674 | if ((entry = kvstore_parse_log_message(msg, msg_len))) { | |
1675 | clusterlog_insert(cfs_status.clusterlog, entry); | |
1676 | } else { | |
1677 | cfs_critical("cant parse log message"); | |
1678 | } | |
1679 | } else { | |
1680 | cfs_critical("received unknown message type %d\n", msg_type); | |
1681 | goto fail; | |
1682 | } | |
1683 | ||
1684 | ret: | |
1685 | *res_ptr = 0; | |
1686 | return 1; | |
1687 | ||
1688 | fail: | |
1689 | *res_ptr = -EACCES; | |
1690 | return 1; | |
1691 | } | |
1692 | ||
1693 | static void | |
1694 | dfsm_confchg( | |
1695 | dfsm_t *dfsm, | |
1696 | gpointer data, | |
1697 | const struct cpg_address *member_list, | |
1698 | size_t member_list_entries) | |
1699 | { | |
1700 | g_return_if_fail(dfsm != NULL); | |
1701 | g_return_if_fail(member_list != NULL); | |
1702 | ||
1703 | cfs_debug("enter %s", __func__); | |
1704 | ||
89fde9ac | 1705 | g_mutex_lock (&mutex); |
fe000966 DM |
1706 | |
1707 | cfs_clinfo_t *clinfo = cfs_status.clinfo; | |
1708 | ||
1709 | if (clinfo && clinfo->nodes_byid) { | |
1710 | ||
1711 | GHashTable *ht = clinfo->nodes_byid; | |
1712 | GHashTableIter iter; | |
1713 | gpointer key, value; | |
1714 | ||
1715 | g_hash_table_iter_init (&iter, ht); | |
1716 | ||
1717 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
1718 | cfs_clnode_t *node = (cfs_clnode_t *)value; | |
1719 | node->online = FALSE; | |
1720 | } | |
1721 | ||
1722 | for (int i = 0; i < member_list_entries; i++) { | |
1723 | cfs_clnode_t *node; | |
1724 | if ((node = g_hash_table_lookup(clinfo->nodes_byid, &member_list[i].nodeid))) { | |
1725 | node->online = TRUE; | |
1726 | } | |
1727 | } | |
1728 | ||
1729 | cfs_status.clinfo_version++; | |
1730 | } | |
1731 | ||
89fde9ac | 1732 | g_mutex_unlock (&mutex); |
fe000966 DM |
1733 | } |
1734 | ||
1735 | static gpointer | |
1736 | dfsm_get_state( | |
1737 | dfsm_t *dfsm, | |
1738 | gpointer data, | |
1739 | unsigned int *res_len) | |
1740 | { | |
1741 | g_return_val_if_fail(dfsm != NULL, NULL); | |
1742 | ||
1743 | gpointer msg = clusterlog_get_state(cfs_status.clusterlog, res_len); | |
1744 | ||
1745 | return msg; | |
1746 | } | |
1747 | ||
1748 | static int | |
1749 | dfsm_process_update( | |
1750 | dfsm_t *dfsm, | |
1751 | gpointer data, | |
1752 | dfsm_sync_info_t *syncinfo, | |
1753 | uint32_t nodeid, | |
1754 | uint32_t pid, | |
1755 | const void *msg, | |
1756 | size_t msg_len) | |
1757 | { | |
1758 | cfs_critical("%s: received unexpected update message", __func__); | |
1759 | ||
1760 | return -1; | |
1761 | } | |
1762 | ||
1763 | static int | |
1764 | dfsm_process_state_update( | |
1765 | dfsm_t *dfsm, | |
1766 | gpointer data, | |
1767 | dfsm_sync_info_t *syncinfo) | |
1768 | { | |
1769 | g_return_val_if_fail(dfsm != NULL, -1); | |
1770 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1771 | ||
1772 | clog_base_t *clog[syncinfo->node_count]; | |
1773 | ||
1774 | int local_index = -1; | |
1775 | for (int i = 0; i < syncinfo->node_count; i++) { | |
1776 | dfsm_node_info_t *ni = &syncinfo->nodes[i]; | |
1777 | ni->synced = 1; | |
1778 | ||
1779 | if (syncinfo->local == ni) | |
1780 | local_index = i; | |
1781 | ||
1782 | clog_base_t *base = (clog_base_t *)ni->state; | |
1783 | if (ni->state_len > 8 && ni->state_len == clog_size(base)) { | |
1784 | clog[i] = ni->state; | |
1785 | } else { | |
1786 | cfs_critical("received log with wrong size %u", ni->state_len); | |
1787 | clog[i] = NULL; | |
1788 | } | |
1789 | } | |
1790 | ||
1791 | if (!clusterlog_merge(cfs_status.clusterlog, clog, syncinfo->node_count, local_index)) { | |
1792 | cfs_critical("unable to merge log files"); | |
1793 | } | |
1794 | ||
1795 | cfs_kvstore_sync(); | |
1796 | ||
1797 | return 1; | |
1798 | } | |
1799 | ||
1800 | static int | |
1801 | dfsm_commit( | |
1802 | dfsm_t *dfsm, | |
1803 | gpointer data, | |
1804 | dfsm_sync_info_t *syncinfo) | |
1805 | { | |
1806 | g_return_val_if_fail(dfsm != NULL, -1); | |
1807 | g_return_val_if_fail(syncinfo != NULL, -1); | |
1808 | ||
1809 | return 1; | |
1810 | } | |
1811 | ||
1812 | static void | |
1813 | dfsm_synced(dfsm_t *dfsm) | |
1814 | { | |
1815 | g_return_if_fail(dfsm != NULL); | |
1816 | ||
1817 | char *ip = (char *)g_hash_table_lookup(cfs_status.iphash, cfs.nodename); | |
1818 | if (!ip) | |
1819 | ip = cfs.ip; | |
1820 | ||
1821 | cfs_status_set("nodeip", ip, strlen(ip) + 1); | |
1822 | } | |
1823 | ||
1824 | static int | |
1825 | dfsm_cleanup( | |
1826 | dfsm_t *dfsm, | |
1827 | gpointer data, | |
1828 | dfsm_sync_info_t *syncinfo) | |
1829 | { | |
1830 | return 1; | |
1831 | } | |
1832 | ||
1833 | static dfsm_callbacks_t kvstore_dfsm_callbacks = { | |
1834 | .dfsm_deliver_fn = dfsm_deliver, | |
1835 | .dfsm_confchg_fn = dfsm_confchg, | |
1836 | ||
1837 | .dfsm_get_state_fn = dfsm_get_state, | |
1838 | .dfsm_process_state_update_fn = dfsm_process_state_update, | |
1839 | .dfsm_process_update_fn = dfsm_process_update, | |
1840 | .dfsm_commit_fn = dfsm_commit, | |
1841 | .dfsm_cleanup_fn = dfsm_cleanup, | |
1842 | .dfsm_synced_fn = dfsm_synced, | |
1843 | }; | |
1844 | ||
1845 | dfsm_t * | |
1846 | cfs_status_dfsm_new(void) | |
1847 | { | |
89fde9ac | 1848 | g_mutex_lock (&mutex); |
fe000966 DM |
1849 | |
1850 | cfs_status.kvstore = dfsm_new(NULL, KVSTORE_CPG_GROUP_NAME, G_LOG_DOMAIN, | |
1851 | 0, &kvstore_dfsm_callbacks); | |
89fde9ac | 1852 | g_mutex_unlock (&mutex); |
fe000966 DM |
1853 | |
1854 | return cfs_status.kvstore; | |
1855 | } | |
1856 | ||
1857 | gboolean | |
1858 | cfs_is_quorate(void) | |
1859 | { | |
89fde9ac | 1860 | g_mutex_lock (&mutex); |
fe000966 | 1861 | gboolean res = cfs_status.quorate; |
89fde9ac | 1862 | g_mutex_unlock (&mutex); |
fe000966 DM |
1863 | |
1864 | return res; | |
1865 | } | |
1866 | ||
1867 | void | |
1868 | cfs_set_quorate( | |
1869 | uint32_t quorate, | |
1870 | gboolean quiet) | |
1871 | { | |
89fde9ac | 1872 | g_mutex_lock (&mutex); |
fe000966 DM |
1873 | |
1874 | uint32_t prev_quorate = cfs_status.quorate; | |
1875 | cfs_status.quorate = quorate; | |
1876 | ||
1877 | if (!prev_quorate && cfs_status.quorate) { | |
1878 | if (!quiet) | |
1879 | cfs_message("node has quorum"); | |
1880 | } | |
1881 | ||
1882 | if (prev_quorate && !cfs_status.quorate) { | |
1883 | if (!quiet) | |
1884 | cfs_message("node lost quorum"); | |
1885 | } | |
1886 | ||
89fde9ac | 1887 | g_mutex_unlock (&mutex); |
fe000966 | 1888 | } |