2 Copyright (C) 2010 Proxmox Server Solutions GmbH
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.
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.
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/>.
17 Author: Dietmar Maurer <dietmar@proxmox.com>
21 #define G_LOG_DOMAIN "status"
25 #endif /* HAVE_CONFIG_H */
32 #include <sys/syslog.h>
34 #include <rrd_client.h>
37 #include "cfs-utils.h"
41 #define KVSTORE_CPG_GROUP_NAME "pve_kvstore_v1"
44 KVSTORE_MESSAGE_UPDATE
= 1,
45 KVSTORE_MESSAGE_UPDATE_COMPLETE
= 2,
46 KVSTORE_MESSAGE_LOG
= 3,
49 static uint32_t vminfo_version_counter
;
77 static memdb_change_t memdb_change_array
[] = {
78 { .path
= "cluster.conf" },
79 { .path
= "cluster.conf.new" },
80 { .path
= "storage.cfg" },
81 { .path
= "user.cfg" },
82 { .path
= "domains.cfg" },
83 { .path
= "priv/shadow.cfg" },
84 { .path
= "datacenter.cfg" },
85 { .path
= "vzdump.cron" },
88 static GStaticMutex mutex
= G_STATIC_MUTEX_INIT
;
96 uint32_t clinfo_version
;
99 uint32_t vmlist_version
;
106 GHashTable
*memdb_changes
;
108 clusterlog_t
*clusterlog
;
111 static cfs_status_t cfs_status
;
123 uint32_t cman_version
;
125 GHashTable
*nodes_byid
;
126 GHashTable
*nodes_byname
;
130 g_int32_hash (gconstpointer v
)
132 return *(const uint32_t *) v
;
136 g_int32_equal (gconstpointer v1
,
139 return *((const uint32_t*) v1
) == *((const uint32_t*) v2
);
142 static void vminfo_free(vminfo_t
*vminfo
)
144 g_return_if_fail(vminfo
!= NULL
);
146 if (vminfo
->nodename
)
147 g_free(vminfo
->nodename
);
153 void cfs_clnode_destroy(
154 cfs_clnode_t
*clnode
)
156 g_return_if_fail(clnode
!= NULL
);
159 g_hash_table_destroy(clnode
->kvhash
);
162 g_free(clnode
->name
);
167 cfs_clnode_t
*cfs_clnode_new(
172 g_return_val_if_fail(name
!= NULL
, NULL
);
174 cfs_clnode_t
*clnode
= g_new0(cfs_clnode_t
, 1);
178 clnode
->name
= g_strdup(name
);
179 clnode
->nodeid
= nodeid
;
180 clnode
->votes
= votes
;
185 gboolean
cfs_clinfo_destroy(
186 cfs_clinfo_t
*clinfo
)
188 g_return_val_if_fail(clinfo
!= NULL
, FALSE
);
190 if (clinfo
->cluster_name
)
191 g_free(clinfo
->cluster_name
);
193 if (clinfo
->nodes_byname
)
194 g_hash_table_destroy(clinfo
->nodes_byname
);
196 if (clinfo
->nodes_byid
)
197 g_hash_table_destroy(clinfo
->nodes_byid
);
204 cfs_clinfo_t
*cfs_clinfo_new(
205 const char *cluster_name
,
206 uint32_t cman_version
)
208 g_return_val_if_fail(cluster_name
!= NULL
, NULL
);
210 cfs_clinfo_t
*clinfo
= g_new0(cfs_clinfo_t
, 1);
214 clinfo
->cluster_name
= g_strdup(cluster_name
);
215 clinfo
->cman_version
= cman_version
;
217 if (!(clinfo
->nodes_byid
= g_hash_table_new_full(
218 g_int32_hash
, g_int32_equal
, NULL
,
219 (GDestroyNotify
)cfs_clnode_destroy
)))
222 if (!(clinfo
->nodes_byname
= g_hash_table_new(g_str_hash
, g_str_equal
)))
228 cfs_clinfo_destroy(clinfo
);
233 gboolean
cfs_clinfo_add_node(
234 cfs_clinfo_t
*clinfo
,
235 cfs_clnode_t
*clnode
)
237 g_return_val_if_fail(clinfo
!= NULL
, FALSE
);
238 g_return_val_if_fail(clnode
!= NULL
, FALSE
);
240 g_hash_table_replace(clinfo
->nodes_byid
, &clnode
->nodeid
, clnode
);
241 g_hash_table_replace(clinfo
->nodes_byname
, clnode
->name
, clnode
);
247 cfs_create_memberlist_msg(
250 g_return_val_if_fail(str
!= NULL
, -EINVAL
);
252 g_static_mutex_lock(&mutex
);
254 g_string_append_printf(str
,"{\n");
258 cfs_clinfo_t
*clinfo
= cfs_status
.clinfo
;
260 if (clinfo
&& clinfo
->nodes_byid
)
261 nodecount
= g_hash_table_size(clinfo
->nodes_byid
);
264 g_string_append_printf(str
, "\"nodename\": \"%s\",\n", cfs
.nodename
);
265 g_string_append_printf(str
, "\"version\": %u,\n", cfs_status
.clinfo_version
);
267 g_string_append_printf(str
, "\"cluster\": { ");
268 g_string_append_printf(str
, "\"name\": \"%s\", \"version\": %d, "
269 "\"nodes\": %d, \"quorate\": %d ",
270 clinfo
->cluster_name
, clinfo
->cman_version
,
271 nodecount
, cfs_status
.quorate
);
273 g_string_append_printf(str
,"},\n");
274 g_string_append_printf(str
,"\"nodelist\": {\n");
276 GHashTable
*ht
= clinfo
->nodes_byid
;
280 g_hash_table_iter_init (&iter
, ht
);
283 while (g_hash_table_iter_next (&iter
, &key
, &value
)) {
284 cfs_clnode_t
*node
= (cfs_clnode_t
*)value
;
285 if (i
) g_string_append_printf(str
, ",\n");
288 g_string_append_printf(str
, " \"%s\": { \"id\": %d, \"online\": %d",
289 node
->name
, node
->nodeid
, node
->online
);
292 char *ip
= (char *)g_hash_table_lookup(cfs_status
.iphash
, node
->name
);
294 g_string_append_printf(str
, ", \"ip\": \"%s\"", ip
);
297 g_string_append_printf(str
, "}");
300 g_string_append_printf(str
,"\n }\n");
302 g_string_append_printf(str
, "\"nodename\": \"%s\",\n", cfs
.nodename
);
303 g_string_append_printf(str
, "\"version\": %u\n", cfs_status
.clinfo_version
);
306 g_string_append_printf(str
,"}\n");
308 g_static_mutex_unlock (&mutex
);
314 kventry_free(kventry_t
*entry
)
316 g_return_if_fail(entry
!= NULL
);
324 kventry_hash_new(void)
326 return g_hash_table_new_full(g_str_hash
, g_str_equal
, NULL
,
327 (GDestroyNotify
)kventry_free
);
331 rrdentry_free(rrdentry_t
*entry
)
333 g_return_if_fail(entry
!= NULL
);
341 rrdentry_hash_new(void)
343 return g_hash_table_new_full(g_str_hash
, g_str_equal
, NULL
,
344 (GDestroyNotify
)rrdentry_free
);
348 cfs_cluster_log_dump(GString
*str
, const char *user
, guint max_entries
)
350 clusterlog_dump(cfs_status
.clusterlog
, str
, user
, max_entries
);
354 cfs_cluster_log(clog_entry_t
*entry
)
356 g_return_if_fail(entry
!= NULL
);
358 clusterlog_insert(cfs_status
.clusterlog
, entry
);
360 if (cfs_status
.kvstore
) {
362 iov
[0].iov_base
= (char *)entry
;
363 iov
[0].iov_len
= clog_entry_size(entry
);
365 dfsm_send_message(cfs_status
.kvstore
, KVSTORE_MESSAGE_LOG
, iov
, 1);
369 void cfs_status_init(void)
371 g_static_mutex_lock (&mutex
);
373 cfs_status
.start_time
= time(NULL
);
375 cfs_status
.vmlist
= vmlist_hash_new();
377 cfs_status
.kvhash
= kventry_hash_new();
379 cfs_status
.rrdhash
= rrdentry_hash_new();
381 cfs_status
.iphash
= g_hash_table_new_full(g_str_hash
, g_str_equal
, g_free
, g_free
);
383 cfs_status
.memdb_changes
= g_hash_table_new(g_str_hash
, g_str_equal
);
385 for (int i
= 0; i
< G_N_ELEMENTS(memdb_change_array
); i
++) {
386 g_hash_table_replace(cfs_status
.memdb_changes
,
387 memdb_change_array
[i
].path
,
388 &memdb_change_array
[i
]);
391 cfs_status
.clusterlog
= clusterlog_new();
394 clusterlog_add(cfs_status
.clusterlog
, "root", "cluster", getpid(),
395 LOG_INFO
, "starting cluster log");
397 g_static_mutex_unlock (&mutex
);
400 void cfs_status_cleanup(void)
402 g_static_mutex_lock (&mutex
);
404 cfs_status
.clinfo_version
++;
406 if (cfs_status
.clinfo
) {
407 cfs_clinfo_destroy(cfs_status
.clinfo
);
408 cfs_status
.clinfo
= NULL
;
411 if (cfs_status
.vmlist
) {
412 g_hash_table_destroy(cfs_status
.vmlist
);
413 cfs_status
.vmlist
= NULL
;
416 if (cfs_status
.kvhash
) {
417 g_hash_table_destroy(cfs_status
.kvhash
);
418 cfs_status
.kvhash
= NULL
;
421 if (cfs_status
.rrdhash
) {
422 g_hash_table_destroy(cfs_status
.rrdhash
);
423 cfs_status
.rrdhash
= NULL
;
426 if (cfs_status
.iphash
) {
427 g_hash_table_destroy(cfs_status
.iphash
);
428 cfs_status
.iphash
= NULL
;
431 if (cfs_status
.clusterlog
)
432 clusterlog_destroy(cfs_status
.clusterlog
);
434 g_static_mutex_unlock (&mutex
);
437 void cfs_status_set_clinfo(
438 cfs_clinfo_t
*clinfo
)
440 g_return_if_fail(clinfo
!= NULL
);
442 g_static_mutex_lock (&mutex
);
444 cfs_status
.clinfo_version
++;
446 cfs_clinfo_t
*old
= cfs_status
.clinfo
;
448 cfs_status
.clinfo
= clinfo
;
450 cfs_message("update cluster info (cluster name %s, version = %d)",
451 clinfo
->cluster_name
, clinfo
->cman_version
);
454 if (old
&& old
->nodes_byid
&& clinfo
->nodes_byid
) {
456 GHashTable
*ht
= clinfo
->nodes_byid
;
460 g_hash_table_iter_init (&iter
, ht
);
462 while (g_hash_table_iter_next (&iter
, &key
, &value
)) {
463 cfs_clnode_t
*node
= (cfs_clnode_t
*)value
;
464 cfs_clnode_t
*oldnode
;
465 if ((oldnode
= g_hash_table_lookup(old
->nodes_byid
, key
))) {
466 node
->online
= oldnode
->online
;
467 node
->kvhash
= oldnode
->kvhash
;
468 oldnode
->kvhash
= NULL
;
475 cfs_clinfo_destroy(old
);
478 g_static_mutex_unlock (&mutex
);
482 dump_kvstore_versions(
485 const char *nodename
)
487 g_return_if_fail(kvhash
!= NULL
);
488 g_return_if_fail(str
!= NULL
);
489 g_return_if_fail(nodename
!= NULL
);
491 GHashTable
*ht
= kvhash
;
495 g_string_append_printf(str
, "\"%s\": {\n", nodename
);
497 g_hash_table_iter_init (&iter
, ht
);
500 while (g_hash_table_iter_next (&iter
, &key
, &value
)) {
501 kventry_t
*entry
= (kventry_t
*)value
;
502 if (i
) g_string_append_printf(str
, ",\n");
504 g_string_append_printf(str
,"\"%s\": %u", entry
->key
, entry
->version
);
507 g_string_append_printf(str
, "}\n");
511 cfs_create_version_msg(GString
*str
)
513 g_return_val_if_fail(str
!= NULL
, -EINVAL
);
515 g_static_mutex_lock (&mutex
);
517 g_string_append_printf(str
,"{\n");
519 g_string_append_printf(str
, "\"starttime\": %lu,\n", (unsigned long)cfs_status
.start_time
);
521 g_string_append_printf(str
, "\"clinfo\": %u,\n", cfs_status
.clinfo_version
);
523 g_string_append_printf(str
, "\"vmlist\": %u,\n", cfs_status
.vmlist_version
);
525 for (int i
= 0; i
< G_N_ELEMENTS(memdb_change_array
); i
++) {
526 g_string_append_printf(str
, "\"%s\": %u,\n",
527 memdb_change_array
[i
].path
,
528 memdb_change_array
[i
].version
);
531 g_string_append_printf(str
, "\"kvstore\": {\n");
533 dump_kvstore_versions(str
, cfs_status
.kvhash
, cfs
.nodename
);
535 cfs_clinfo_t
*clinfo
= cfs_status
.clinfo
;
537 if (clinfo
&& clinfo
->nodes_byid
) {
538 GHashTable
*ht
= clinfo
->nodes_byid
;
542 g_hash_table_iter_init (&iter
, ht
);
544 while (g_hash_table_iter_next (&iter
, &key
, &value
)) {
545 cfs_clnode_t
*node
= (cfs_clnode_t
*)value
;
548 g_string_append_printf(str
, ",\n");
549 dump_kvstore_versions(str
, node
->kvhash
, node
->name
);
553 g_string_append_printf(str
,"}\n");
555 g_string_append_printf(str
,"}\n");
557 g_static_mutex_unlock (&mutex
);
563 vmlist_hash_new(void)
565 return g_hash_table_new_full(g_int_hash
, g_int_equal
, NULL
,
566 (GDestroyNotify
)vminfo_free
);
570 vmlist_hash_insert_vm(
574 const char *nodename
,
577 g_return_val_if_fail(vmlist
!= NULL
, FALSE
);
578 g_return_val_if_fail(nodename
!= NULL
, FALSE
);
579 g_return_val_if_fail(vmid
!= 0, FALSE
);
580 g_return_val_if_fail(vmtype
== VMTYPE_QEMU
|| vmtype
== VMTYPE_OPENVZ
, FALSE
);
582 if (!replace
&& g_hash_table_lookup(vmlist
, &vmid
)) {
583 cfs_critical("detected duplicate VMID %d", vmid
);
587 vminfo_t
*vminfo
= g_new0(vminfo_t
, 1);
590 vminfo
->vmtype
= vmtype
;
591 vminfo
->nodename
= g_strdup(nodename
);
593 vminfo
->version
= ++vminfo_version_counter
;
595 g_hash_table_replace(vmlist
, &vminfo
->vmid
, vminfo
);
604 const char *nodename
)
606 g_return_if_fail(cfs_status
.vmlist
!= NULL
);
607 g_return_if_fail(nodename
!= NULL
);
608 g_return_if_fail(vmid
!= 0);
609 g_return_if_fail(vmtype
== VMTYPE_QEMU
|| vmtype
== VMTYPE_OPENVZ
);
611 cfs_debug("vmlist_register_vm: %s/%u %d", nodename
, vmid
, vmtype
);
613 g_static_mutex_lock (&mutex
);
615 cfs_status
.vmlist_version
++;
617 vmlist_hash_insert_vm(cfs_status
.vmlist
, vmtype
, vmid
, nodename
, TRUE
);
619 g_static_mutex_unlock (&mutex
);
623 vmlist_different_vm_exists(
626 const char *nodename
)
628 g_return_val_if_fail(cfs_status
.vmlist
!= NULL
, FALSE
);
629 g_return_val_if_fail(vmid
!= 0, FALSE
);
631 gboolean res
= FALSE
;
633 g_static_mutex_lock (&mutex
);
636 if ((vminfo
= (vminfo_t
*)g_hash_table_lookup(cfs_status
.vmlist
, &vmid
))) {
637 if (!(vminfo
->vmtype
== vmtype
&& strcmp(vminfo
->nodename
, nodename
) == 0))
640 g_static_mutex_unlock (&mutex
);
649 g_return_val_if_fail(cfs_status
.vmlist
!= NULL
, FALSE
);
650 g_return_val_if_fail(vmid
!= 0, FALSE
);
652 g_static_mutex_lock (&mutex
);
654 gpointer res
= g_hash_table_lookup(cfs_status
.vmlist
, &vmid
);
656 g_static_mutex_unlock (&mutex
);
665 g_return_if_fail(cfs_status
.vmlist
!= NULL
);
666 g_return_if_fail(vmid
!= 0);
668 g_static_mutex_lock (&mutex
);
670 cfs_status
.vmlist_version
++;
672 g_hash_table_remove(cfs_status
.vmlist
, &vmid
);
674 g_static_mutex_unlock (&mutex
);
677 void cfs_status_set_vmlist(
680 g_return_if_fail(vmlist
!= NULL
);
682 g_static_mutex_lock (&mutex
);
684 cfs_status
.vmlist_version
++;
686 if (cfs_status
.vmlist
)
687 g_hash_table_destroy(cfs_status
.vmlist
);
689 cfs_status
.vmlist
= vmlist
;
691 g_static_mutex_unlock (&mutex
);
695 cfs_create_vmlist_msg(GString
*str
)
697 g_return_val_if_fail(cfs_status
.vmlist
!= NULL
, -EINVAL
);
698 g_return_val_if_fail(str
!= NULL
, -EINVAL
);
700 g_static_mutex_lock (&mutex
);
702 g_string_append_printf(str
,"{\n");
704 GHashTable
*ht
= cfs_status
.vmlist
;
706 guint count
= g_hash_table_size(ht
);
709 g_string_append_printf(str
,"\"version\": %u\n", cfs_status
.vmlist_version
);
711 g_string_append_printf(str
,"\"version\": %u,\n", cfs_status
.vmlist_version
);
713 g_string_append_printf(str
,"\"ids\": {\n");
718 g_hash_table_iter_init (&iter
, ht
);
721 while (g_hash_table_iter_next (&iter
, &key
, &value
)) {
722 vminfo_t
*vminfo
= (vminfo_t
*)value
;
724 if (vminfo
->vmtype
== VMTYPE_QEMU
) {
726 } else if (vminfo
->vmtype
== VMTYPE_OPENVZ
) {
733 g_string_append_printf(str
, ",\n");
736 g_string_append_printf(str
,"\"%u\": { \"node\": \"%s\", \"type\": \"%s\", \"version\": %u }",
737 vminfo
->vmid
, vminfo
->nodename
, type
, vminfo
->version
);
740 g_string_append_printf(str
,"}\n");
742 g_string_append_printf(str
,"\n}\n");
744 g_static_mutex_unlock (&mutex
);
750 record_memdb_change(const char *path
)
752 g_return_if_fail(cfs_status
.memdb_changes
!= 0);
756 if ((ce
= (memdb_change_t
*)g_hash_table_lookup(cfs_status
.memdb_changes
, path
))) {
762 record_memdb_reload(void)
764 for (int i
= 0; i
< G_N_ELEMENTS(memdb_change_array
); i
++) {
765 memdb_change_array
[i
].version
++;
776 g_return_val_if_fail(kvhash
!= NULL
, FALSE
);
777 g_return_val_if_fail(key
!= NULL
, FALSE
);
778 g_return_val_if_fail(data
!= NULL
, FALSE
);
781 if ((entry
= (kventry_t
*)g_hash_table_lookup(kvhash
, key
))) {
783 entry
->data
= g_memdup(data
, len
);
787 kventry_t
*entry
= g_new0(kventry_t
, 1);
789 entry
->key
= g_strdup(key
);
790 entry
->data
= g_memdup(data
, len
);
793 g_hash_table_replace(kvhash
, entry
->key
, entry
);
799 static const char *rrd_def_node
[] = {
800 "DS:loadavg:GAUGE:120:0:U",
801 "DS:maxcpu:GAUGE:120:0:U",
802 "DS:cpu:GAUGE:120:0:U",
803 "DS:iowait:GAUGE:120:0:U",
804 "DS:memtotal:GAUGE:120:0:U",
805 "DS:memused:GAUGE:120:0:U",
806 "DS:swaptotal:GAUGE:120:0:U",
807 "DS:swapused:GAUGE:120:0:U",
808 "DS:roottotal:GAUGE:120:0:U",
809 "DS:rootused:GAUGE:120:0:U",
810 "DS:netin:COUNTER:120:0:U",
811 "DS:netout:COUNTER:120:0:U",
813 "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour
814 "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day
815 "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week
816 "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month
817 "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year
819 "RRA:MAX:0.5:1:70", // 1 min max - one hour
820 "RRA:MAX:0.5:30:70", // 30 min max - one day
821 "RRA:MAX:0.5:180:70", // 3 hour max - one week
822 "RRA:MAX:0.5:720:70", // 12 hour max - one month
823 "RRA:MAX:0.5:10080:70", // 7 day max - ony year
827 static const char *rrd_def_vm
[] = {
828 "DS:maxcpu:GAUGE:120:0:U",
829 "DS:cpu:GAUGE:120:0:U",
830 "DS:maxmem:GAUGE:120:0:U",
831 "DS:mem:GAUGE:120:0:U",
832 "DS:maxdisk:GAUGE:120:0:U",
833 "DS:disk:GAUGE:120:0:U",
834 "DS:netin:COUNTER:120:0:U",
835 "DS:netout:COUNTER:120:0:U",
836 "DS:diskread:COUNTER:120:0:U",
837 "DS:diskwrite:COUNTER:120:0:U",
839 "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour
840 "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day
841 "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week
842 "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month
843 "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year
845 "RRA:MAX:0.5:1:70", // 1 min max - one hour
846 "RRA:MAX:0.5:30:70", // 30 min max - one day
847 "RRA:MAX:0.5:180:70", // 3 hour max - one week
848 "RRA:MAX:0.5:720:70", // 12 hour max - one month
849 "RRA:MAX:0.5:10080:70", // 7 day max - ony year
853 static const char *rrd_def_storage
[] = {
854 "DS:total:GAUGE:120:0:U",
855 "DS:used:GAUGE:120:0:U",
857 "RRA:AVERAGE:0.5:1:70", // 1 min avg - one hour
858 "RRA:AVERAGE:0.5:30:70", // 30 min avg - one day
859 "RRA:AVERAGE:0.5:180:70", // 3 hour avg - one week
860 "RRA:AVERAGE:0.5:720:70", // 12 hour avg - one month
861 "RRA:AVERAGE:0.5:10080:70", // 7 day avg - ony year
863 "RRA:MAX:0.5:1:70", // 1 min max - one hour
864 "RRA:MAX:0.5:30:70", // 30 min max - one day
865 "RRA:MAX:0.5:180:70", // 3 hour max - one week
866 "RRA:MAX:0.5:720:70", // 12 hour max - one month
867 "RRA:MAX:0.5:10080:70", // 7 day max - ony year
871 #define RRDDIR "/var/lib/rrdcached/db"
875 const char *filename
,
877 const char *rrddef
[])
879 /* start at day boundary */
882 struct tm
*ltm
= localtime(&ctime
);
888 if (rrd_create_r(filename
, 60, timelocal(ltm
), argcount
, rrddef
)) {
889 cfs_message("RRD create error %s: %s", filename
, rrd_get_error());
893 static inline const char *
899 while (*data
&& found
< count
) {
912 g_return_if_fail(key
!= NULL
);
913 g_return_if_fail(data
!= NULL
);
914 g_return_if_fail(len
> 0);
915 g_return_if_fail(len
< 4096);
917 static const char *rrdcsock
= "unix:/var/run/rrdcached.sock";
920 if (rrdc_connect(rrdcsock
) != 0)
923 char *filename
= g_strdup_printf(RRDDIR
"/%s", key
);
927 if (strncmp(key
, "pve2-node/", 10) == 0) {
928 const char *node
= key
+ 10;
932 if (strchr(node
, '/') != NULL
)
935 if (strlen(node
) < 1)
938 if (!g_file_test(filename
, G_FILE_TEST_EXISTS
)) {
940 mkdir(RRDDIR
"/pve2-node", 0755);
941 int argcount
= sizeof(rrd_def_node
)/sizeof(void*) - 1;
942 create_rrd_file(filename
, argcount
, rrd_def_node
);
945 } else if (strncmp(key
, "pve2-vm/", 8) == 0) {
946 const char *vmid
= key
+ 8;
950 if (strchr(vmid
, '/') != NULL
)
953 if (strlen(vmid
) < 1)
956 if (!g_file_test(filename
, G_FILE_TEST_EXISTS
)) {
958 mkdir(RRDDIR
"/pve2-vm", 0755);
959 int argcount
= sizeof(rrd_def_vm
)/sizeof(void*) - 1;
960 create_rrd_file(filename
, argcount
, rrd_def_vm
);
963 } else if (strncmp(key
, "pve2-storage/", 13) == 0) {
964 const char *node
= key
+ 13;
966 const char *storage
= node
;
967 while (*storage
&& *storage
!= '/')
970 if (*storage
!= '/' || ((storage
- node
) < 1))
975 if (strchr(storage
, '/') != NULL
)
978 if (strlen(storage
) < 1)
981 if (!g_file_test(filename
, G_FILE_TEST_EXISTS
)) {
983 mkdir(RRDDIR
"/pve2-storage", 0755);
985 char *dir
= g_path_get_dirname(filename
);
989 int argcount
= sizeof(rrd_def_storage
)/sizeof(void*) - 1;
990 create_rrd_file(filename
, argcount
, rrd_def_storage
);
997 const char *dp
= skip
? rrd_skip_data(data
, skip
) : data
;
999 const char *update_args
[] = { dp
, NULL
};
1003 if ((status
= rrdc_update(filename
, 1, update_args
)) != 0) {
1004 cfs_message("RRDC update error %s: %d", filename
, status
);
1007 if (rrd_update_r(filename
, NULL
, 1, update_args
) != 0) {
1008 cfs_message("RRD update error %s: %s", filename
, rrd_get_error());
1014 if (rrd_update_r(filename
, NULL
, 1, update_args
) != 0) {
1015 cfs_message("RRD update error %s: %s", filename
, rrd_get_error());
1024 cfs_critical("RRD update error: unknown/wrong key %s", key
);
1034 rrdentry_t
*entry
= (rrdentry_t
*)value
;
1035 uint32_t ctime
= GPOINTER_TO_UINT(user_data
);
1037 int diff
= ctime
- entry
->time
;
1039 /* remove everything older than 5 minutes */
1042 return (diff
> expire
) ? TRUE
: FALSE
;
1045 static char *rrd_dump_buf
= NULL
;
1046 static time_t rrd_dump_last
= 0;
1049 cfs_rrd_dump(GString
*str
)
1054 if (rrd_dump_buf
&& (ctime
- rrd_dump_last
) < 2) {
1055 g_string_assign(str
, rrd_dump_buf
);
1059 /* remove old data */
1060 g_hash_table_foreach_remove(cfs_status
.rrdhash
, rrd_entry_is_old
,
1061 GUINT_TO_POINTER(ctime
));
1063 g_string_set_size(str
, 0);
1065 GHashTableIter iter
;
1066 gpointer key
, value
;
1068 g_hash_table_iter_init (&iter
, cfs_status
.rrdhash
);
1070 while (g_hash_table_iter_next (&iter
, &key
, &value
)) {
1071 rrdentry_t
*entry
= (rrdentry_t
*)value
;
1072 g_string_append(str
, key
);
1073 g_string_append(str
, ":");
1074 g_string_append(str
, entry
->data
);
1075 g_string_append(str
, "\n");
1078 g_string_append_c(str
, 0); // never return undef
1080 rrd_dump_last
= ctime
;
1082 g_free(rrd_dump_buf
);
1083 rrd_dump_buf
= g_strdup(str
->str
);
1089 const char *nodename
,
1093 g_return_val_if_fail(iphash
!= NULL
, FALSE
);
1094 g_return_val_if_fail(nodename
!= NULL
, FALSE
);
1095 g_return_val_if_fail(ip
!= NULL
, FALSE
);
1096 g_return_val_if_fail(len
> 0, FALSE
);
1097 g_return_val_if_fail(len
< 256, FALSE
);
1098 g_return_val_if_fail(ip
[len
-1] == 0, FALSE
);
1100 char *oldip
= (char *)g_hash_table_lookup(iphash
, nodename
);
1102 if (!oldip
|| (strcmp(oldip
, ip
) != 0)) {
1103 cfs_status
.clinfo_version
++;
1104 g_hash_table_replace(iphash
, g_strdup(nodename
), g_strdup(ip
));
1112 GHashTable
*rrdhash
,
1117 g_return_val_if_fail(rrdhash
!= NULL
, FALSE
);
1118 g_return_val_if_fail(key
!= NULL
, FALSE
);
1119 g_return_val_if_fail(data
!= NULL
, FALSE
);
1120 g_return_val_if_fail(len
> 0, FALSE
);
1121 g_return_val_if_fail(len
< 4096, FALSE
);
1122 g_return_val_if_fail(data
[len
-1] == 0, FALSE
);
1125 if ((entry
= (rrdentry_t
*)g_hash_table_lookup(rrdhash
, key
))) {
1126 g_free(entry
->data
);
1127 entry
->data
= g_memdup(data
, len
);
1129 entry
->time
= time(NULL
);
1131 rrdentry_t
*entry
= g_new0(rrdentry_t
, 1);
1133 entry
->key
= g_strdup(key
);
1134 entry
->data
= g_memdup(data
, len
);
1136 entry
->time
= time(NULL
);
1138 g_hash_table_replace(rrdhash
, entry
->key
, entry
);
1141 update_rrd_data(key
, data
, len
);
1147 kvstore_send_update_message(
1154 struct iovec iov
[2];
1157 g_strlcpy(name
, key
, sizeof(name
));
1159 iov
[0].iov_base
= &name
;
1160 iov
[0].iov_len
= sizeof(name
);
1162 iov
[1].iov_base
= (char *)data
;
1163 iov
[1].iov_len
= len
;
1165 if (dfsm_send_message(dfsm
, KVSTORE_MESSAGE_UPDATE
, iov
, 2) == CS_OK
)
1171 static clog_entry_t
*
1172 kvstore_parse_log_message(
1176 g_return_val_if_fail(msg
!= NULL
, NULL
);
1178 if (msg_len
< sizeof(clog_entry_t
)) {
1179 cfs_critical("received short log message (%lu < %lu)", msg_len
, sizeof(clog_entry_t
));
1183 clog_entry_t
*entry
= (clog_entry_t
*)msg
;
1185 uint32_t size
= sizeof(clog_entry_t
) + entry
->node_len
+
1186 entry
->ident_len
+ entry
->tag_len
+ entry
->msg_len
;
1188 if (msg_len
!= size
) {
1189 cfs_critical("received log message with wrong size (%lu != %u)", msg_len
, size
);
1195 if (*((char *)msg
+ entry
->node_len
- 1)) {
1196 cfs_critical("unterminated string in log message");
1199 msg
+= entry
->node_len
;
1201 if (*((char *)msg
+ entry
->ident_len
- 1)) {
1202 cfs_critical("unterminated string in log message");
1205 msg
+= entry
->ident_len
;
1207 if (*((char *)msg
+ entry
->tag_len
- 1)) {
1208 cfs_critical("unterminated string in log message");
1211 msg
+= entry
->tag_len
;
1213 if (*((char *)msg
+ entry
->msg_len
- 1)) {
1214 cfs_critical("unterminated string in log message");
1222 kvstore_parse_update_message(
1226 gconstpointer
*data
,
1229 g_return_val_if_fail(msg
!= NULL
, FALSE
);
1230 g_return_val_if_fail(key
!= NULL
, FALSE
);
1231 g_return_val_if_fail(data
!= NULL
, FALSE
);
1232 g_return_val_if_fail(len
!= NULL
, FALSE
);
1234 if (msg_len
< 256) {
1235 cfs_critical("received short kvstore message (%lu < 256)", msg_len
);
1239 /* test if key is null terminated */
1241 for (i
= 0; i
< 256; i
++)
1242 if (((char *)msg
)[i
] == 0)
1249 *len
= msg_len
- 256;
1257 cfs_create_status_msg(
1259 const char *nodename
,
1262 g_return_val_if_fail(str
!= NULL
, -EINVAL
);
1263 g_return_val_if_fail(key
!= NULL
, -EINVAL
);
1267 GHashTable
*kvhash
= NULL
;
1269 g_static_mutex_lock (&mutex
);
1271 if (!nodename
|| !nodename
[0] || !strcmp(nodename
, cfs
.nodename
)) {
1272 kvhash
= cfs_status
.kvhash
;
1274 cfs_clnode_t
*clnode
;
1275 if ((clnode
= g_hash_table_lookup(cfs_status
.clinfo
->nodes_byname
, nodename
)))
1276 kvhash
= clnode
->kvhash
;
1280 if (kvhash
&& (entry
= (kventry_t
*)g_hash_table_lookup(kvhash
, key
))) {
1281 g_string_append_len(str
, entry
->data
, entry
->len
);
1285 g_static_mutex_unlock (&mutex
);
1296 g_return_val_if_fail(key
!= NULL
, FALSE
);
1297 g_return_val_if_fail(data
!= NULL
, FALSE
);
1298 g_return_val_if_fail(cfs_status
.kvhash
!= NULL
, FALSE
);
1300 if (len
> CFS_MAX_STATUS_SIZE
)
1303 g_static_mutex_lock (&mutex
);
1307 if (strncmp(key
, "rrd/", 4) == 0) {
1308 res
= rrdentry_hash_set(cfs_status
.rrdhash
, key
+ 4, data
, len
);
1309 } else if (!strcmp(key
, "nodeip")) {
1310 res
= nodeip_hash_set(cfs_status
.iphash
, cfs
.nodename
, data
, len
);
1312 res
= kventry_hash_set(cfs_status
.kvhash
, key
, data
, len
);
1314 g_static_mutex_unlock (&mutex
);
1316 if (cfs_status
.kvstore
)
1317 kvstore_send_update_message(cfs_status
.kvstore
, key
, data
, len
);
1319 return res
? 0 : -ENOMEM
;
1323 cfs_kvstore_node_set(
1329 g_return_val_if_fail(nodeid
!= 0, FALSE
);
1330 g_return_val_if_fail(key
!= NULL
, FALSE
);
1331 g_return_val_if_fail(data
!= NULL
, FALSE
);
1333 g_static_mutex_lock (&mutex
);
1335 if (!cfs_status
.clinfo
|| !cfs_status
.clinfo
->nodes_byid
)
1336 goto ret
; /* ignore */
1338 cfs_clnode_t
*clnode
= g_hash_table_lookup(cfs_status
.clinfo
->nodes_byid
, &nodeid
);
1340 goto ret
; /* ignore */
1342 cfs_debug("got node %d status update %s", nodeid
, key
);
1344 if (strncmp(key
, "rrd/", 4) == 0) {
1345 rrdentry_hash_set(cfs_status
.rrdhash
, key
+ 4, data
, len
);
1346 } else if (!strcmp(key
, "nodeip")) {
1347 nodeip_hash_set(cfs_status
.iphash
, clnode
->name
, data
, len
);
1349 if (!clnode
->kvhash
) {
1350 if (!(clnode
->kvhash
= kventry_hash_new())) {
1351 goto ret
; /*ignore */
1355 kventry_hash_set(clnode
->kvhash
, key
, data
, len
);
1359 g_static_mutex_unlock (&mutex
);
1365 cfs_kvstore_sync(void)
1367 g_return_val_if_fail(cfs_status
.kvhash
!= NULL
, FALSE
);
1368 g_return_val_if_fail(cfs_status
.kvstore
!= NULL
, FALSE
);
1370 gboolean res
= TRUE
;
1372 g_static_mutex_lock (&mutex
);
1374 GHashTable
*ht
= cfs_status
.kvhash
;
1375 GHashTableIter iter
;
1376 gpointer key
, value
;
1378 g_hash_table_iter_init (&iter
, ht
);
1380 while (g_hash_table_iter_next (&iter
, &key
, &value
)) {
1381 kventry_t
*entry
= (kventry_t
*)value
;
1382 kvstore_send_update_message(cfs_status
.kvstore
, entry
->key
, entry
->data
, entry
->len
);
1385 g_static_mutex_unlock (&mutex
);
1402 g_return_val_if_fail(dfsm
!= NULL
, -1);
1403 g_return_val_if_fail(msg
!= NULL
, -1);
1404 g_return_val_if_fail(res_ptr
!= NULL
, -1);
1406 /* ignore message for ourself */
1407 if (dfsm_nodeid_is_local(dfsm
, nodeid
, pid
))
1410 if (msg_type
== KVSTORE_MESSAGE_UPDATE
) {
1414 if (kvstore_parse_update_message(msg
, msg_len
, &key
, &data
, &len
)) {
1415 cfs_kvstore_node_set(nodeid
, key
, data
, len
);
1417 cfs_critical("cant parse update message");
1419 } else if (msg_type
== KVSTORE_MESSAGE_LOG
) {
1420 cfs_message("received log"); // fixme: remove
1421 const clog_entry_t
*entry
;
1422 if ((entry
= kvstore_parse_log_message(msg
, msg_len
))) {
1423 clusterlog_insert(cfs_status
.clusterlog
, entry
);
1425 cfs_critical("cant parse log message");
1428 cfs_critical("received unknown message type %d\n", msg_type
);
1445 const struct cpg_address
*member_list
,
1446 size_t member_list_entries
)
1448 g_return_if_fail(dfsm
!= NULL
);
1449 g_return_if_fail(member_list
!= NULL
);
1451 cfs_debug("enter %s", __func__
);
1453 g_static_mutex_lock (&mutex
);
1455 cfs_clinfo_t
*clinfo
= cfs_status
.clinfo
;
1457 if (clinfo
&& clinfo
->nodes_byid
) {
1459 GHashTable
*ht
= clinfo
->nodes_byid
;
1460 GHashTableIter iter
;
1461 gpointer key
, value
;
1463 g_hash_table_iter_init (&iter
, ht
);
1465 while (g_hash_table_iter_next (&iter
, &key
, &value
)) {
1466 cfs_clnode_t
*node
= (cfs_clnode_t
*)value
;
1467 node
->online
= FALSE
;
1470 for (int i
= 0; i
< member_list_entries
; i
++) {
1472 if ((node
= g_hash_table_lookup(clinfo
->nodes_byid
, &member_list
[i
].nodeid
))) {
1473 node
->online
= TRUE
;
1477 cfs_status
.clinfo_version
++;
1480 g_static_mutex_unlock (&mutex
);
1487 unsigned int *res_len
)
1489 g_return_val_if_fail(dfsm
!= NULL
, NULL
);
1491 gpointer msg
= clusterlog_get_state(cfs_status
.clusterlog
, res_len
);
1497 dfsm_process_update(
1500 dfsm_sync_info_t
*syncinfo
,
1506 cfs_critical("%s: received unexpected update message", __func__
);
1512 dfsm_process_state_update(
1515 dfsm_sync_info_t
*syncinfo
)
1517 g_return_val_if_fail(dfsm
!= NULL
, -1);
1518 g_return_val_if_fail(syncinfo
!= NULL
, -1);
1520 clog_base_t
*clog
[syncinfo
->node_count
];
1522 int local_index
= -1;
1523 for (int i
= 0; i
< syncinfo
->node_count
; i
++) {
1524 dfsm_node_info_t
*ni
= &syncinfo
->nodes
[i
];
1527 if (syncinfo
->local
== ni
)
1530 clog_base_t
*base
= (clog_base_t
*)ni
->state
;
1531 if (ni
->state_len
> 8 && ni
->state_len
== clog_size(base
)) {
1532 clog
[i
] = ni
->state
;
1534 cfs_critical("received log with wrong size %u", ni
->state_len
);
1539 if (!clusterlog_merge(cfs_status
.clusterlog
, clog
, syncinfo
->node_count
, local_index
)) {
1540 cfs_critical("unable to merge log files");
1552 dfsm_sync_info_t
*syncinfo
)
1554 g_return_val_if_fail(dfsm
!= NULL
, -1);
1555 g_return_val_if_fail(syncinfo
!= NULL
, -1);
1561 dfsm_synced(dfsm_t
*dfsm
)
1563 g_return_if_fail(dfsm
!= NULL
);
1565 char *ip
= (char *)g_hash_table_lookup(cfs_status
.iphash
, cfs
.nodename
);
1569 cfs_status_set("nodeip", ip
, strlen(ip
) + 1);
1576 dfsm_sync_info_t
*syncinfo
)
1581 static dfsm_callbacks_t kvstore_dfsm_callbacks
= {
1582 .dfsm_deliver_fn
= dfsm_deliver
,
1583 .dfsm_confchg_fn
= dfsm_confchg
,
1585 .dfsm_get_state_fn
= dfsm_get_state
,
1586 .dfsm_process_state_update_fn
= dfsm_process_state_update
,
1587 .dfsm_process_update_fn
= dfsm_process_update
,
1588 .dfsm_commit_fn
= dfsm_commit
,
1589 .dfsm_cleanup_fn
= dfsm_cleanup
,
1590 .dfsm_synced_fn
= dfsm_synced
,
1594 cfs_status_dfsm_new(void)
1596 g_static_mutex_lock (&mutex
);
1598 cfs_status
.kvstore
= dfsm_new(NULL
, KVSTORE_CPG_GROUP_NAME
, G_LOG_DOMAIN
,
1599 0, &kvstore_dfsm_callbacks
);
1600 g_static_mutex_unlock (&mutex
);
1602 return cfs_status
.kvstore
;
1606 cfs_is_quorate(void)
1608 g_static_mutex_lock (&mutex
);
1609 gboolean res
= cfs_status
.quorate
;
1610 g_static_mutex_unlock (&mutex
);
1620 g_static_mutex_lock (&mutex
);
1622 uint32_t prev_quorate
= cfs_status
.quorate
;
1623 cfs_status
.quorate
= quorate
;
1625 if (!prev_quorate
&& cfs_status
.quorate
) {
1627 cfs_message("node has quorum");
1630 if (prev_quorate
&& !cfs_status
.quorate
) {
1632 cfs_message("node lost quorum");
1635 g_static_mutex_unlock (&mutex
);