4 Copyright (C) Andrew Tridgell 2007
5 Copyright (C) Ronnie Sahlberg 2007
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, see <http://www.gnu.org/licenses/>.
22 #include "lib/events/events.h"
23 #include "system/time.h"
24 #include "system/filesys.h"
25 #include "system/network.h"
26 #include "system/locale.h"
29 #include "../include/ctdb.h"
30 #include "../include/ctdb_private.h"
31 #include "../common/rb_tree.h"
33 static void usage(void);
42 #define TIMELIMIT() timeval_current_ofs(options.timelimit, 0)
45 static int control_version(struct ctdb_context *ctdb, int argc, const char **argv)
48 #define XSTR(x) STR(x)
49 printf("CTDB version: %s\n", XSTR(CTDB_VERS));
55 see if a process exists
57 static int control_process_exists(struct ctdb_context *ctdb, int argc, const char **argv)
65 if (sscanf(argv[0], "%u:%u", &pnn, &pid) != 2) {
66 DEBUG(DEBUG_ERR, ("Badly formed pnn:pid\n"));
70 ret = ctdb_ctrl_process_exists(ctdb, pnn, pid);
72 printf("%u:%u exists\n", pnn, pid);
74 printf("%u:%u does not exist\n", pnn, pid);
80 display statistics structure
82 static void show_statistics(struct ctdb_statistics *s)
84 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
86 const char *prefix=NULL;
92 #define STATISTICS_FIELD(n) { #n, offsetof(struct ctdb_statistics, n) }
93 STATISTICS_FIELD(num_clients),
94 STATISTICS_FIELD(frozen),
95 STATISTICS_FIELD(recovering),
96 STATISTICS_FIELD(client_packets_sent),
97 STATISTICS_FIELD(client_packets_recv),
98 STATISTICS_FIELD(node_packets_sent),
99 STATISTICS_FIELD(node_packets_recv),
100 STATISTICS_FIELD(keepalive_packets_sent),
101 STATISTICS_FIELD(keepalive_packets_recv),
102 STATISTICS_FIELD(node.req_call),
103 STATISTICS_FIELD(node.reply_call),
104 STATISTICS_FIELD(node.req_dmaster),
105 STATISTICS_FIELD(node.reply_dmaster),
106 STATISTICS_FIELD(node.reply_error),
107 STATISTICS_FIELD(node.req_message),
108 STATISTICS_FIELD(node.req_control),
109 STATISTICS_FIELD(node.reply_control),
110 STATISTICS_FIELD(client.req_call),
111 STATISTICS_FIELD(client.req_message),
112 STATISTICS_FIELD(client.req_control),
113 STATISTICS_FIELD(timeouts.call),
114 STATISTICS_FIELD(timeouts.control),
115 STATISTICS_FIELD(timeouts.traverse),
116 STATISTICS_FIELD(total_calls),
117 STATISTICS_FIELD(pending_calls),
118 STATISTICS_FIELD(lockwait_calls),
119 STATISTICS_FIELD(pending_lockwait_calls),
120 STATISTICS_FIELD(childwrite_calls),
121 STATISTICS_FIELD(pending_childwrite_calls),
122 STATISTICS_FIELD(memory_used),
123 STATISTICS_FIELD(max_hop_count),
125 printf("CTDB version %u\n", CTDB_VERSION);
126 for (i=0;i<ARRAY_SIZE(fields);i++) {
127 if (strchr(fields[i].name, '.')) {
128 preflen = strcspn(fields[i].name, ".")+1;
129 if (!prefix || strncmp(prefix, fields[i].name, preflen) != 0) {
130 prefix = fields[i].name;
131 printf(" %*.*s\n", preflen-1, preflen-1, fields[i].name);
136 printf(" %*s%-22s%*s%10u\n",
138 fields[i].name+preflen,
140 *(uint32_t *)(fields[i].offset+(uint8_t *)s));
142 printf(" %-30s %.6f sec\n", "max_call_latency", s->max_call_latency);
143 printf(" %-30s %.6f sec\n", "max_lockwait_latency", s->max_lockwait_latency);
144 printf(" %-30s %.6f sec\n", "max_childwrite_latency", s->max_childwrite_latency);
145 talloc_free(tmp_ctx);
149 display remote ctdb statistics combined from all nodes
151 static int control_statistics_all(struct ctdb_context *ctdb)
154 struct ctdb_statistics statistics;
158 nodes = ctdb_get_connected_nodes(ctdb, TIMELIMIT(), ctdb, &num_nodes);
159 CTDB_NO_MEMORY(ctdb, nodes);
161 ZERO_STRUCT(statistics);
163 for (i=0;i<num_nodes;i++) {
164 struct ctdb_statistics s1;
166 uint32_t *v1 = (uint32_t *)&s1;
167 uint32_t *v2 = (uint32_t *)&statistics;
169 offsetof(struct ctdb_statistics, __last_counter) / sizeof(uint32_t);
170 ret = ctdb_ctrl_statistics(ctdb, nodes[i], &s1);
172 DEBUG(DEBUG_ERR, ("Unable to get statistics from node %u\n", nodes[i]));
175 for (j=0;j<num_ints;j++) {
178 statistics.max_hop_count =
179 MAX(statistics.max_hop_count, s1.max_hop_count);
180 statistics.max_call_latency =
181 MAX(statistics.max_call_latency, s1.max_call_latency);
182 statistics.max_lockwait_latency =
183 MAX(statistics.max_lockwait_latency, s1.max_lockwait_latency);
186 printf("Gathered statistics for %u nodes\n", num_nodes);
187 show_statistics(&statistics);
192 display remote ctdb statistics
194 static int control_statistics(struct ctdb_context *ctdb, int argc, const char **argv)
197 struct ctdb_statistics statistics;
199 if (options.pnn == CTDB_BROADCAST_ALL) {
200 return control_statistics_all(ctdb);
203 ret = ctdb_ctrl_statistics(ctdb, options.pnn, &statistics);
205 DEBUG(DEBUG_ERR, ("Unable to get statistics from node %u\n", options.pnn));
208 show_statistics(&statistics);
214 reset remote ctdb statistics
216 static int control_statistics_reset(struct ctdb_context *ctdb, int argc, const char **argv)
220 ret = ctdb_statistics_reset(ctdb, options.pnn);
222 DEBUG(DEBUG_ERR, ("Unable to reset statistics on node %u\n", options.pnn));
230 display uptime of remote node
232 static int control_uptime(struct ctdb_context *ctdb, int argc, const char **argv)
236 struct ctdb_uptime *uptime = NULL;
237 int tmp, days, hours, minutes, seconds;
239 mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
244 ret = ctdb_ctrl_uptime(ctdb, ctdb, TIMELIMIT(), options.pnn, &uptime);
246 DEBUG(DEBUG_ERR, ("Unable to get uptime from node %u\n", options.pnn));
250 if (options.machinereadable){
251 printf(":Current Node Time:Ctdb Start Time:Last Recovery Time:Last Recovery Duration:\n");
252 printf(":%u:%u:%u:%lf\n",
253 (unsigned int)uptime->current_time.tv_sec,
254 (unsigned int)uptime->ctdbd_start_time.tv_sec,
255 (unsigned int)uptime->last_recovery_finished.tv_sec,
256 timeval_delta(&uptime->last_recovery_finished,
257 &uptime->last_recovery_started)
262 printf("Current time of node : %s", ctime(&uptime->current_time.tv_sec));
264 tmp = uptime->current_time.tv_sec - uptime->ctdbd_start_time.tv_sec;
272 printf("Ctdbd start time : (%03d %02d:%02d:%02d) %s", days, hours, minutes, seconds, ctime(&uptime->ctdbd_start_time.tv_sec));
274 tmp = uptime->current_time.tv_sec - uptime->last_recovery_finished.tv_sec;
282 printf("Time of last recovery : (%03d %02d:%02d:%02d) %s", days, hours, minutes, seconds, ctime(&uptime->last_recovery_finished.tv_sec));
284 printf("Duration of last recovery : %lf seconds\n",
285 timeval_delta(&uptime->last_recovery_finished,
286 &uptime->last_recovery_started));
292 show the PNN of the current node
294 static int control_pnn(struct ctdb_context *ctdb, int argc, const char **argv)
298 mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
300 DEBUG(DEBUG_ERR, ("Unable to get pnn from local node."));
304 printf("PNN:%d\n", mypnn);
309 display remote ctdb status
311 static int control_status(struct ctdb_context *ctdb, int argc, const char **argv)
314 struct ctdb_vnn_map *vnnmap=NULL;
315 struct ctdb_node_map *nodemap=NULL;
316 uint32_t recmode, recmaster;
319 mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
324 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
326 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
330 if(options.machinereadable){
331 printf(":Node:IP:Disconnected:Banned:Disabled:Unhealthy:\n");
332 for(i=0;i<nodemap->num;i++){
333 printf(":%d:%s:%d:%d:%d:%d:\n", nodemap->nodes[i].pnn,
334 inet_ntoa(nodemap->nodes[i].sin.sin_addr),
335 !!(nodemap->nodes[i].flags&NODE_FLAGS_DISCONNECTED),
336 !!(nodemap->nodes[i].flags&NODE_FLAGS_BANNED),
337 !!(nodemap->nodes[i].flags&NODE_FLAGS_PERMANENTLY_DISABLED),
338 !!(nodemap->nodes[i].flags&NODE_FLAGS_UNHEALTHY));
343 printf("Number of nodes:%d\n", nodemap->num);
344 for(i=0;i<nodemap->num;i++){
345 static const struct {
349 { NODE_FLAGS_DISCONNECTED, "DISCONNECTED" },
350 { NODE_FLAGS_PERMANENTLY_DISABLED, "DISABLED" },
351 { NODE_FLAGS_BANNED, "BANNED" },
352 { NODE_FLAGS_UNHEALTHY, "UNHEALTHY" },
354 char *flags_str = NULL;
356 for (j=0;j<ARRAY_SIZE(flag_names);j++) {
357 if (nodemap->nodes[i].flags & flag_names[j].flag) {
358 if (flags_str == NULL) {
359 flags_str = talloc_strdup(ctdb, flag_names[j].name);
361 flags_str = talloc_asprintf_append(flags_str, "|%s",
364 CTDB_NO_MEMORY_FATAL(ctdb, flags_str);
367 if (flags_str == NULL) {
368 flags_str = talloc_strdup(ctdb, "OK");
369 CTDB_NO_MEMORY_FATAL(ctdb, flags_str);
371 printf("pnn:%d %-16s %s%s\n", nodemap->nodes[i].pnn,
372 inet_ntoa(nodemap->nodes[i].sin.sin_addr),
374 nodemap->nodes[i].pnn == mypnn?" (THIS NODE)":"");
375 talloc_free(flags_str);
378 ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &vnnmap);
380 DEBUG(DEBUG_ERR, ("Unable to get vnnmap from node %u\n", options.pnn));
383 if (vnnmap->generation == INVALID_GENERATION) {
384 printf("Generation:INVALID\n");
386 printf("Generation:%d\n",vnnmap->generation);
388 printf("Size:%d\n",vnnmap->size);
389 for(i=0;i<vnnmap->size;i++){
390 printf("hash:%d lmaster:%d\n", i, vnnmap->map[i]);
393 ret = ctdb_ctrl_getrecmode(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmode);
395 DEBUG(DEBUG_ERR, ("Unable to get recmode from node %u\n", options.pnn));
398 printf("Recovery mode:%s (%d)\n",recmode==CTDB_RECOVERY_NORMAL?"NORMAL":"RECOVERY",recmode);
400 ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
402 DEBUG(DEBUG_ERR, ("Unable to get recmaster from node %u\n", options.pnn));
405 printf("Recovery master:%d\n",recmaster);
411 get a list of all tickles for this pnn
413 static int control_get_tickles(struct ctdb_context *ctdb, int argc, const char **argv)
415 struct ctdb_control_tcp_tickle_list *list;
416 struct sockaddr_in ip;
423 ip.sin_family = AF_INET;
424 if (inet_aton(argv[0], &ip.sin_addr) == 0) {
425 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
429 ret = ctdb_ctrl_get_tcp_tickles(ctdb, TIMELIMIT(), options.pnn, ctdb, &ip, &list);
431 DEBUG(DEBUG_ERR, ("Unable to list tickles\n"));
435 printf("Tickles for ip:%s\n", inet_ntoa(list->ip.sin_addr));
436 printf("Num tickles:%u\n", list->tickles.num);
437 for (i=0;i<list->tickles.num;i++) {
438 printf("SRC: %s:%u ", inet_ntoa(list->tickles.connections[i].saddr.sin_addr), ntohs(list->tickles.connections[i].saddr.sin_port));
439 printf("DST: %s:%u\n", inet_ntoa(list->tickles.connections[i].daddr.sin_addr), ntohs(list->tickles.connections[i].daddr.sin_port));
447 /* send a release ip to all nodes */
448 static int control_send_release(struct ctdb_context *ctdb, uint32_t pnn,
449 struct sockaddr_in *sin)
452 struct ctdb_public_ip pip;
454 struct ctdb_node_map *nodemap=NULL;
456 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
458 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
462 /* send a moveip message to the recovery master */
464 pip.sin.sin_family = AF_INET;
465 pip.sin.sin_addr = sin->sin_addr;
466 data.dsize = sizeof(pip);
467 data.dptr = (unsigned char *)&pip;
470 /* send release ip to all nodes */
471 if (ctdb_client_async_control(ctdb, CTDB_CONTROL_RELEASE_IP,
472 list_of_active_nodes(ctdb, nodemap, ctdb, true),
473 TIMELIMIT(), false, data,
474 NULL, NULL, NULL) != 0) {
475 DEBUG(DEBUG_ERR, (__location__ " Unable to send 'ReleaseIP' to all nodes.\n"));
483 move/failover an ip address to a specific node
485 static int control_moveip(struct ctdb_context *ctdb, int argc, const char **argv)
488 struct sockaddr_in ip;
490 struct ctdb_all_public_ips *ips;
497 ip.sin_family = AF_INET;
498 if (inet_aton(argv[0], &ip.sin_addr) == 0) {
499 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
504 if (sscanf(argv[1], "%u", &pnn) != 1) {
505 DEBUG(DEBUG_ERR, ("Badly formed pnn\n"));
509 ret = ctdb_ctrl_get_tunable(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, "DeterministicIPs", &value);
511 DEBUG(DEBUG_ERR, ("Unable to get tunable variable 'DeterministicIPs' from local node\n"));
515 DEBUG(DEBUG_ERR, ("The tunable 'DeterministicIPs' is set. You can only move ip addresses when this feature is disabled\n"));
519 ret = ctdb_ctrl_get_tunable(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, "NoIPFailback", &value);
521 DEBUG(DEBUG_ERR, ("Unable to get tunable variable 'NoIPFailback' from local node\n"));
525 DEBUG(DEBUG_ERR, ("The tunable 'NoIPFailback' is NOT set. You can only move ip addresses when this feature is enabled\n"));
529 /* read the public ip list from the node */
530 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), pnn, ctdb, &ips);
532 DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %u\n", pnn));
536 for (i=0;i<ips->num;i++) {
537 if (ctdb_same_ipv4(&ip, &ips->ips[i].sin)) {
542 DEBUG(DEBUG_ERR, ("Node %u can not host ip address '%s'\n",
543 pnn, inet_ntoa(ip.sin_addr)));
546 if (ips->ips[i].pnn == pnn) {
547 DEBUG(DEBUG_ERR, ("Host %u is already hosting '%s'\n",
548 pnn, inet_ntoa(ips->ips[i].sin.sin_addr)));
552 ret = control_send_release(ctdb, pnn, &ips->ips[i].sin);
554 DEBUG(DEBUG_ERR, ("Failed to send 'change ip' to all nodes\n"));;
563 struct sockaddr_in sin;
566 void getips_store_callback(void *param, void *data)
568 struct node_ip *node_ip = (struct node_ip *)data;
569 struct ctdb_all_public_ips *ips = param;
573 ips->ips[i].pnn = node_ip->pnn;
574 ips->ips[i].sin = node_ip->sin;
577 void getips_count_callback(void *param, void *data)
579 uint32_t *count = param;
585 control_get_all_public_ips(struct ctdb_context *ctdb, TALLOC_CTX *tmp_ctx, struct ctdb_all_public_ips **ips)
587 struct ctdb_all_public_ips *tmp_ips;
588 struct ctdb_node_map *nodemap=NULL;
593 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, tmp_ctx, &nodemap);
595 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
599 tree = trbt_create(tmp_ctx, 0);
601 for(i=0;i<nodemap->num;i++){
602 if (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) {
606 /* read the public ip list from this node */
607 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &tmp_ips);
609 DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %u\n", nodemap->nodes[i].pnn));
613 for (j=0; j<tmp_ips->num;j++) {
614 struct node_ip *node_ip;
616 node_ip = talloc(tmp_ctx, struct node_ip);
617 node_ip->pnn = tmp_ips->ips[j].pnn;
618 node_ip->sin = tmp_ips->ips[j].sin;
620 trbt_insert32(tree, tmp_ips->ips[j].sin.sin_addr.s_addr, node_ip);
622 talloc_free(tmp_ips);
627 trbt_traversearray32(tree, 1, getips_count_callback, &count);
629 len = offsetof(struct ctdb_all_public_ips, ips) +
630 count*sizeof(struct ctdb_public_ip);
631 tmp_ips = talloc_zero_size(tmp_ctx, len);
632 trbt_traversearray32(tree, 1, getips_store_callback, tmp_ips);
641 * scans all other nodes and returns a pnn for another node that can host this
645 find_other_host_for_public_ip(struct ctdb_context *ctdb, struct sockaddr_in *addr)
647 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
648 struct ctdb_all_public_ips *ips;
649 struct ctdb_node_map *nodemap=NULL;
652 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, tmp_ctx, &nodemap);
654 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
655 talloc_free(tmp_ctx);
659 for(i=0;i<nodemap->num;i++){
660 if (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) {
663 if (nodemap->nodes[i].pnn == options.pnn) {
667 /* read the public ip list from this node */
668 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &ips);
670 DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %u\n", nodemap->nodes[i].pnn));
674 for (j=0;j<ips->num;j++) {
675 if (ctdb_same_ipv4(addr, &ips->ips[j].sin)) {
676 talloc_free(tmp_ctx);
677 return nodemap->nodes[i].pnn;
683 talloc_free(tmp_ctx);
688 add a public ip address to a node
690 static int control_addip(struct ctdb_context *ctdb, int argc, const char **argv)
695 struct sockaddr_in addr;
696 struct ctdb_control_ip_iface *pub;
697 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
698 struct ctdb_all_public_ips *ips;
701 talloc_free(tmp_ctx);
705 if (!parse_ip_mask(argv[0], &addr, &mask)) {
706 DEBUG(DEBUG_ERR, ("Badly formed ip/mask : %s\n", argv[0]));
707 talloc_free(tmp_ctx);
711 ret = control_get_all_public_ips(ctdb, tmp_ctx, &ips);
713 DEBUG(DEBUG_ERR, ("Unable to get public ip list from cluster\n"));
714 talloc_free(tmp_ctx);
719 len = offsetof(struct ctdb_control_ip_iface, iface) + strlen(argv[1]) + 1;
720 pub = talloc_size(tmp_ctx, len);
721 CTDB_NO_MEMORY(ctdb, pub);
725 pub->len = strlen(argv[1])+1;
726 memcpy(&pub->iface[0], argv[1], strlen(argv[1])+1);
728 ret = ctdb_ctrl_add_public_ip(ctdb, TIMELIMIT(), options.pnn, pub);
730 DEBUG(DEBUG_ERR, ("Unable to add public ip to node %u\n", options.pnn));
731 talloc_free(tmp_ctx);
736 /* check if some other node is already serving this ip, if not,
739 for (i=0;i<ips->num;i++) {
740 if (ctdb_same_ipv4(&addr, &ips->ips[i].sin)) {
744 /* no one has this ip so we claim it */
746 ret = control_send_release(ctdb, options.pnn, &addr);
748 ret = control_send_release(ctdb, ips->ips[i].pnn, &addr);
752 DEBUG(DEBUG_ERR, ("Failed to send 'change ip' to all nodes\n"));
756 talloc_free(tmp_ctx);
761 delete a public ip address from a node
763 static int control_delip(struct ctdb_context *ctdb, int argc, const char **argv)
766 struct sockaddr_in addr;
767 struct ctdb_control_ip_iface pub;
768 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
769 struct ctdb_all_public_ips *ips;
772 talloc_free(tmp_ctx);
776 addr.sin_family = AF_INET;
777 if (inet_aton(argv[0], &addr.sin_addr) == 0) {
778 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
786 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &ips);
788 DEBUG(DEBUG_ERR, ("Unable to get public ip list from cluster\n"));
789 talloc_free(tmp_ctx);
793 for (i=0;i<ips->num;i++) {
794 if (ctdb_same_ipv4(&addr, &ips->ips[i].sin)) {
800 DEBUG(DEBUG_ERR, ("This node does not support this public address '%s'\n",
801 inet_ntoa(addr.sin_addr)));
802 talloc_free(tmp_ctx);
806 if (ips->ips[i].pnn == options.pnn) {
807 ret = find_other_host_for_public_ip(ctdb, &addr);
809 ret = control_send_release(ctdb, ret, &addr);
811 DEBUG(DEBUG_ERR, ("Failed to migrate this ip to another node. Use moveip of recover to reassign this address to a node\n"));
816 ret = ctdb_ctrl_del_public_ip(ctdb, TIMELIMIT(), options.pnn, &pub);
818 DEBUG(DEBUG_ERR, ("Unable to del public ip from node %u\n", options.pnn));
819 talloc_free(tmp_ctx);
823 talloc_free(tmp_ctx);
828 kill a tcp connection
830 static int kill_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
833 struct ctdb_control_killtcp killtcp;
839 if (!parse_ip_port(argv[0], (ctdb_sock_addr *)&killtcp.src)) {
840 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[0]));
844 if (!parse_ip_port(argv[1], (ctdb_sock_addr *)&killtcp.dst)) {
845 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[1]));
849 ret = ctdb_ctrl_killtcp(ctdb, TIMELIMIT(), options.pnn, &killtcp);
851 DEBUG(DEBUG_ERR, ("Unable to killtcp from node %u\n", options.pnn));
862 static int control_gratious_arp(struct ctdb_context *ctdb, int argc, const char **argv)
871 if (!parse_ip(argv[0], &addr)) {
872 DEBUG(DEBUG_ERR, ("Bad IP '%s'\n", argv[0]));
876 ret = ctdb_ctrl_gratious_arp(ctdb, TIMELIMIT(), options.pnn, &addr, argv[1]);
878 DEBUG(DEBUG_ERR, ("Unable to send gratious_arp from node %u\n", options.pnn));
888 static int regsrvid(struct ctdb_context *ctdb, int argc, const char **argv)
891 struct ctdb_server_id server_id;
897 server_id.pnn = strtoul(argv[0], NULL, 0);
898 server_id.type = strtoul(argv[1], NULL, 0);
899 server_id.server_id = strtoul(argv[2], NULL, 0);
901 ret = ctdb_ctrl_register_server_id(ctdb, TIMELIMIT(), &server_id);
903 DEBUG(DEBUG_ERR, ("Unable to register server_id from node %u\n", options.pnn));
910 unregister a server id
912 static int unregsrvid(struct ctdb_context *ctdb, int argc, const char **argv)
915 struct ctdb_server_id server_id;
921 server_id.pnn = strtoul(argv[0], NULL, 0);
922 server_id.type = strtoul(argv[1], NULL, 0);
923 server_id.server_id = strtoul(argv[2], NULL, 0);
925 ret = ctdb_ctrl_unregister_server_id(ctdb, TIMELIMIT(), &server_id);
927 DEBUG(DEBUG_ERR, ("Unable to unregister server_id from node %u\n", options.pnn));
934 check if a server id exists
936 static int chksrvid(struct ctdb_context *ctdb, int argc, const char **argv)
940 struct ctdb_server_id server_id;
946 server_id.pnn = strtoul(argv[0], NULL, 0);
947 server_id.type = strtoul(argv[1], NULL, 0);
948 server_id.server_id = strtoul(argv[2], NULL, 0);
950 ret = ctdb_ctrl_check_server_id(ctdb, TIMELIMIT(), options.pnn, &server_id, &status);
952 DEBUG(DEBUG_ERR, ("Unable to check server_id from node %u\n", options.pnn));
957 printf("Server id %d:%d:%d EXISTS\n", server_id.pnn, server_id.type, server_id.server_id);
959 printf("Server id %d:%d:%d does NOT exist\n", server_id.pnn, server_id.type, server_id.server_id);
965 get a list of all server ids that are registered on a node
967 static int getsrvids(struct ctdb_context *ctdb, int argc, const char **argv)
970 struct ctdb_server_id_list *server_ids;
972 ret = ctdb_ctrl_get_server_id_list(ctdb, ctdb, TIMELIMIT(), options.pnn, &server_ids);
974 DEBUG(DEBUG_ERR, ("Unable to get server_id list from node %u\n", options.pnn));
978 for (i=0; i<server_ids->num; i++) {
979 printf("Server id %d:%d:%d\n",
980 server_ids->server_ids[i].pnn,
981 server_ids->server_ids[i].type,
982 server_ids->server_ids[i].server_id);
989 send a tcp tickle ack
991 static int tickle_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
994 ctdb_sock_addr src, dst;
1000 if (!parse_ip_port(argv[0], &src)) {
1001 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[0]));
1005 if (!parse_ip_port(argv[1], &dst)) {
1006 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[1]));
1010 ret = ctdb_sys_send_tcp(&src, &dst, 0, 0, 0);
1014 DEBUG(DEBUG_ERR, ("Error while sending tickle ack\n"));
1021 display public ip status
1023 static int control_ip(struct ctdb_context *ctdb, int argc, const char **argv)
1026 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1027 struct ctdb_all_public_ips *ips;
1029 if (options.pnn == CTDB_BROADCAST_ALL) {
1030 /* read the list of public ips from all nodes */
1031 ret = control_get_all_public_ips(ctdb, tmp_ctx, &ips);
1033 /* read the public ip list from this node */
1034 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &ips);
1037 DEBUG(DEBUG_ERR, ("Unable to get public ips from node %u\n", options.pnn));
1038 talloc_free(tmp_ctx);
1042 if (options.machinereadable){
1043 printf(":Public IP:Node:\n");
1045 if (options.pnn == CTDB_BROADCAST_ALL) {
1046 printf("Public IPs on ALL nodes\n");
1048 printf("Public IPs on node %u\n", options.pnn);
1052 for (i=1;i<=ips->num;i++) {
1053 if (options.machinereadable){
1054 printf(":%s:%d:\n", inet_ntoa(ips->ips[ips->num-i].sin.sin_addr), ips->ips[ips->num-i].pnn);
1056 printf("%s %d\n", inet_ntoa(ips->ips[ips->num-i].sin.sin_addr), ips->ips[ips->num-i].pnn);
1060 talloc_free(tmp_ctx);
1065 display pid of a ctdb daemon
1067 static int control_getpid(struct ctdb_context *ctdb, int argc, const char **argv)
1072 ret = ctdb_ctrl_getpid(ctdb, TIMELIMIT(), options.pnn, &pid);
1074 DEBUG(DEBUG_ERR, ("Unable to get daemon pid from node %u\n", options.pnn));
1077 printf("Pid:%d\n", pid);
1083 disable a remote node
1085 static int control_disable(struct ctdb_context *ctdb, int argc, const char **argv)
1089 ret = ctdb_ctrl_modflags(ctdb, TIMELIMIT(), options.pnn, NODE_FLAGS_PERMANENTLY_DISABLED, 0);
1091 DEBUG(DEBUG_ERR, ("Unable to disable node %u\n", options.pnn));
1099 enable a disabled remote node
1101 static int control_enable(struct ctdb_context *ctdb, int argc, const char **argv)
1105 ret = ctdb_ctrl_modflags(ctdb, TIMELIMIT(), options.pnn, 0, NODE_FLAGS_PERMANENTLY_DISABLED);
1107 DEBUG(DEBUG_ERR, ("Unable to enable node %u\n", options.pnn));
1115 ban a node from the cluster
1117 static int control_ban(struct ctdb_context *ctdb, int argc, const char **argv)
1120 struct ctdb_ban_info b;
1128 ban_time = strtoul(argv[0], NULL, 0);
1130 b.pnn = options.pnn;
1131 b.ban_time = ban_time;
1133 data.dptr = (uint8_t *)&b;
1134 data.dsize = sizeof(b);
1136 ret = ctdb_send_message(ctdb, options.pnn, CTDB_SRVID_BAN_NODE, data);
1138 DEBUG(DEBUG_ERR,("Failed to ban node %u\n", options.pnn));
1147 unban a node from the cluster
1149 static int control_unban(struct ctdb_context *ctdb, int argc, const char **argv)
1154 data.dptr = (uint8_t *)&options.pnn;
1155 data.dsize = sizeof(uint32_t);
1157 ret = ctdb_send_message(ctdb, options.pnn, CTDB_SRVID_UNBAN_NODE, data);
1159 DEBUG(DEBUG_ERR,("Failed to to unban node %u\n", options.pnn));
1170 static int control_shutdown(struct ctdb_context *ctdb, int argc, const char **argv)
1174 ret = ctdb_ctrl_shutdown(ctdb, TIMELIMIT(), options.pnn);
1176 DEBUG(DEBUG_ERR, ("Unable to shutdown node %u\n", options.pnn));
1186 static int control_recover(struct ctdb_context *ctdb, int argc, const char **argv)
1190 ret = ctdb_ctrl_freeze(ctdb, TIMELIMIT(), options.pnn);
1192 DEBUG(DEBUG_ERR, ("Unable to freeze node\n"));
1196 ret = ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
1198 DEBUG(DEBUG_ERR, ("Unable to set recovery mode\n"));
1207 display monitoring mode of a remote node
1209 static int control_getmonmode(struct ctdb_context *ctdb, int argc, const char **argv)
1214 ret = ctdb_ctrl_getmonmode(ctdb, TIMELIMIT(), options.pnn, &monmode);
1216 DEBUG(DEBUG_ERR, ("Unable to get monmode from node %u\n", options.pnn));
1219 if (!options.machinereadable){
1220 printf("Monitoring mode:%s (%d)\n",monmode==CTDB_MONITORING_ACTIVE?"ACTIVE":"DISABLED",monmode);
1223 printf(":%d:\n",monmode);
1230 display capabilities of a remote node
1232 static int control_getcapabilities(struct ctdb_context *ctdb, int argc, const char **argv)
1234 uint32_t capabilities;
1237 ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), options.pnn, &capabilities);
1239 DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", options.pnn));
1243 if (!options.machinereadable){
1244 printf("RECMASTER: %s\n", (capabilities&CTDB_CAP_RECMASTER)?"YES":"NO");
1245 printf("LMASTER: %s\n", (capabilities&CTDB_CAP_LMASTER)?"YES":"NO");
1246 printf("LVS: %s\n", (capabilities&CTDB_CAP_LVS)?"YES":"NO");
1248 printf(":RECMASTER:LMASTER:LVS:\n");
1249 printf(":%d:%d:%d:\n",
1250 !!(capabilities&CTDB_CAP_RECMASTER),
1251 !!(capabilities&CTDB_CAP_LMASTER),
1252 !!(capabilities&CTDB_CAP_LVS));
1258 display lvs configuration
1260 static int control_lvs(struct ctdb_context *ctdb, int argc, const char **argv)
1262 uint32_t *capabilities;
1263 struct ctdb_node_map *nodemap=NULL;
1265 int healthy_count = 0;
1267 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
1269 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
1273 capabilities = talloc_array(ctdb, uint32_t, nodemap->num);
1274 CTDB_NO_MEMORY(ctdb, capabilities);
1276 /* collect capabilities for all connected nodes */
1277 for (i=0; i<nodemap->num; i++) {
1278 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
1281 if (nodemap->nodes[i].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
1285 ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), i, &capabilities[i]);
1287 DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", i));
1291 if (!(capabilities[i] & CTDB_CAP_LVS)) {
1295 if (!(nodemap->nodes[i].flags & NODE_FLAGS_UNHEALTHY)) {
1300 /* Print all LVS nodes */
1301 for (i=0; i<nodemap->num; i++) {
1302 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
1305 if (nodemap->nodes[i].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
1308 if (!(capabilities[i] & CTDB_CAP_LVS)) {
1312 if (healthy_count != 0) {
1313 if (nodemap->nodes[i].flags & NODE_FLAGS_UNHEALTHY) {
1318 printf("%d:%s\n", i, inet_ntoa(nodemap->nodes[i].sin.sin_addr));
1325 display who is the lvs master
1327 static int control_lvsmaster(struct ctdb_context *ctdb, int argc, const char **argv)
1329 uint32_t *capabilities;
1330 struct ctdb_node_map *nodemap=NULL;
1332 int healthy_count = 0;
1334 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
1336 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
1340 capabilities = talloc_array(ctdb, uint32_t, nodemap->num);
1341 CTDB_NO_MEMORY(ctdb, capabilities);
1343 /* collect capabilities for all connected nodes */
1344 for (i=0; i<nodemap->num; i++) {
1345 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
1348 if (nodemap->nodes[i].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
1352 ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), i, &capabilities[i]);
1354 DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", i));
1358 if (!(capabilities[i] & CTDB_CAP_LVS)) {
1362 if (!(nodemap->nodes[i].flags & NODE_FLAGS_UNHEALTHY)) {
1367 /* find and show the lvsmaster */
1368 for (i=0; i<nodemap->num; i++) {
1369 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
1372 if (nodemap->nodes[i].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
1375 if (!(capabilities[i] & CTDB_CAP_LVS)) {
1379 if (healthy_count != 0) {
1380 if (nodemap->nodes[i].flags & NODE_FLAGS_UNHEALTHY) {
1385 printf("Node %d is LVS master\n", i);
1389 printf("There is no LVS master\n");
1394 disable monitoring on a node
1396 static int control_disable_monmode(struct ctdb_context *ctdb, int argc, const char **argv)
1401 ret = ctdb_ctrl_disable_monmode(ctdb, TIMELIMIT(), options.pnn);
1403 DEBUG(DEBUG_ERR, ("Unable to disable monmode on node %u\n", options.pnn));
1406 printf("Monitoring mode:%s\n","DISABLED");
1412 enable monitoring on a node
1414 static int control_enable_monmode(struct ctdb_context *ctdb, int argc, const char **argv)
1419 ret = ctdb_ctrl_enable_monmode(ctdb, TIMELIMIT(), options.pnn);
1421 DEBUG(DEBUG_ERR, ("Unable to enable monmode on node %u\n", options.pnn));
1424 printf("Monitoring mode:%s\n","ACTIVE");
1430 display remote list of keys/data for a db
1432 static int control_catdb(struct ctdb_context *ctdb, int argc, const char **argv)
1434 const char *db_name;
1435 struct ctdb_db_context *ctdb_db;
1443 ctdb_db = ctdb_attach(ctdb, db_name, false, 0);
1445 if (ctdb_db == NULL) {
1446 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
1450 /* traverse and dump the cluster tdb */
1451 ret = ctdb_dump_db(ctdb_db, stdout);
1453 DEBUG(DEBUG_ERR, ("Unable to dump database\n"));
1456 talloc_free(ctdb_db);
1458 printf("Dumped %d records\n", ret);
1464 display a list of the databases on a remote ctdb
1466 static int control_getdbmap(struct ctdb_context *ctdb, int argc, const char **argv)
1469 struct ctdb_dbid_map *dbmap=NULL;
1471 ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &dbmap);
1473 DEBUG(DEBUG_ERR, ("Unable to get dbids from node %u\n", options.pnn));
1477 printf("Number of databases:%d\n", dbmap->num);
1478 for(i=0;i<dbmap->num;i++){
1483 ctdb_ctrl_getdbpath(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &path);
1484 ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &name);
1485 persistent = dbmap->dbs[i].persistent;
1486 printf("dbid:0x%08x name:%s path:%s %s\n", dbmap->dbs[i].dbid, name,
1487 path, persistent?"PERSISTENT":"");
1494 check if the local node is recmaster or not
1495 it will return 1 if this node is the recmaster and 0 if it is not
1496 or if the local ctdb daemon could not be contacted
1498 static int control_isnotrecmaster(struct ctdb_context *ctdb, int argc, const char **argv)
1500 uint32_t mypnn, recmaster;
1503 mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
1505 printf("Failed to get pnn of node\n");
1509 ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
1511 printf("Failed to get the recmaster\n");
1515 if (recmaster != mypnn) {
1516 printf("this node is not the recmaster\n");
1520 printf("this node is the recmaster\n");
1527 static int control_ping(struct ctdb_context *ctdb, int argc, const char **argv)
1530 struct timeval tv = timeval_current();
1531 ret = ctdb_ctrl_ping(ctdb, options.pnn);
1533 printf("Unable to get ping response from node %u\n", options.pnn);
1535 printf("response from %u time=%.6f sec (%d clients)\n",
1536 options.pnn, timeval_elapsed(&tv), ret);
1545 static int control_getvar(struct ctdb_context *ctdb, int argc, const char **argv)
1556 ret = ctdb_ctrl_get_tunable(ctdb, TIMELIMIT(), options.pnn, name, &value);
1558 DEBUG(DEBUG_ERR, ("Unable to get tunable variable '%s'\n", name));
1562 printf("%-19s = %u\n", name, value);
1569 static int control_setvar(struct ctdb_context *ctdb, int argc, const char **argv)
1580 value = strtoul(argv[1], NULL, 0);
1582 ret = ctdb_ctrl_set_tunable(ctdb, TIMELIMIT(), options.pnn, name, value);
1584 DEBUG(DEBUG_ERR, ("Unable to set tunable variable '%s'\n", name));
1593 static int control_listvars(struct ctdb_context *ctdb, int argc, const char **argv)
1599 ret = ctdb_ctrl_list_tunables(ctdb, TIMELIMIT(), options.pnn, ctdb, &list, &count);
1601 DEBUG(DEBUG_ERR, ("Unable to list tunable variables\n"));
1605 for (i=0;i<count;i++) {
1606 control_getvar(ctdb, 1, &list[i]);
1616 const char *description;
1617 } debug_levels[] = {
1618 {DEBUG_EMERG, "EMERG"},
1619 {DEBUG_ALERT, "ALERT"},
1620 {DEBUG_CRIT, "CRIT"},
1622 {DEBUG_WARNING, "WARNING"},
1623 {DEBUG_NOTICE, "NOTICE"},
1624 {DEBUG_INFO, "INFO"},
1625 {DEBUG_DEBUG, "DEBUG"}
1628 static const char *get_debug_by_level(int32_t level)
1632 for (i=0;i<ARRAY_SIZE(debug_levels);i++) {
1633 if (debug_levels[i].level == level) {
1634 return debug_levels[i].description;
1640 static int32_t get_debug_by_desc(const char *desc)
1644 for (i=0;i<ARRAY_SIZE(debug_levels);i++) {
1645 if (!strcmp(debug_levels[i].description, desc)) {
1646 return debug_levels[i].level;
1653 display debug level on a node
1655 static int control_getdebug(struct ctdb_context *ctdb, int argc, const char **argv)
1660 ret = ctdb_ctrl_get_debuglevel(ctdb, options.pnn, &level);
1662 DEBUG(DEBUG_ERR, ("Unable to get debuglevel response from node %u\n", options.pnn));
1665 if (options.machinereadable){
1666 printf(":Name:Level:\n");
1667 printf(":%s:%d:\n",get_debug_by_level(level),level);
1669 printf("Node %u is at debug level %s (%d)\n", options.pnn, get_debug_by_level(level), level);
1677 set debug level on a node or all nodes
1679 static int control_setdebug(struct ctdb_context *ctdb, int argc, const char **argv)
1688 if (isalpha(argv[0][0])) {
1689 level = get_debug_by_desc(argv[0]);
1691 level = strtoul(argv[0], NULL, 0);
1694 ret = ctdb_ctrl_set_debuglevel(ctdb, options.pnn, level);
1696 DEBUG(DEBUG_ERR, ("Unable to set debug level on node %u\n", options.pnn));
1705 static int control_freeze(struct ctdb_context *ctdb, int argc, const char **argv)
1709 ret = ctdb_ctrl_freeze(ctdb, TIMELIMIT(), options.pnn);
1711 DEBUG(DEBUG_ERR, ("Unable to freeze node %u\n", options.pnn));
1719 static int control_thaw(struct ctdb_context *ctdb, int argc, const char **argv)
1723 ret = ctdb_ctrl_thaw(ctdb, TIMELIMIT(), options.pnn);
1725 DEBUG(DEBUG_ERR, ("Unable to thaw node %u\n", options.pnn));
1732 attach to a database
1734 static int control_attach(struct ctdb_context *ctdb, int argc, const char **argv)
1736 const char *db_name;
1737 struct ctdb_db_context *ctdb_db;
1744 ctdb_db = ctdb_attach(ctdb, db_name, false, 0);
1745 if (ctdb_db == NULL) {
1746 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
1754 run an eventscript on a node
1756 static int control_eventscript(struct ctdb_context *ctdb, int argc, const char **argv)
1762 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1765 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
1769 data.dptr = (unsigned char *)discard_const(argv[0]);
1770 data.dsize = strlen((char *)data.dptr) + 1;
1772 DEBUG(DEBUG_ERR, ("Running eventscripts with arguments \"%s\" on node %u\n", data.dptr, options.pnn));
1774 ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_RUN_EVENTSCRIPTS,
1775 0, data, tmp_ctx, NULL, &res, NULL, &errmsg);
1776 if (ret != 0 || res != 0) {
1777 DEBUG(DEBUG_ERR,("Failed to run eventscripts - %s\n", errmsg));
1778 talloc_free(tmp_ctx);
1781 talloc_free(tmp_ctx);
1785 struct db_file_header {
1786 unsigned long persistent;
1791 * backup a database to a file
1793 static int control_backupdb(struct ctdb_context *ctdb, int argc, const char **argv)
1796 struct ctdb_dbid_map *dbmap=NULL;
1797 struct ctdb_node_map *nodemap=NULL;
1798 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1800 struct db_file_header dbhdr;
1805 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
1809 ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &dbmap);
1811 DEBUG(DEBUG_ERR, ("Unable to get dbids from node %u\n", options.pnn));
1815 for(i=0;i<dbmap->num;i++){
1818 ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, tmp_ctx, &name);
1819 if(!strcmp(argv[0], name)){
1820 talloc_free(discard_const(name));
1823 talloc_free(discard_const(name));
1825 if (i == dbmap->num) {
1826 DEBUG(DEBUG_ERR,("No database with name '%s' found\n", argv[0]));
1827 talloc_free(tmp_ctx);
1831 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
1833 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
1834 talloc_free(tmp_ctx);
1838 /* freeze all nodes */
1839 nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
1840 if (ctdb_client_async_control(ctdb, CTDB_CONTROL_FREEZE,
1845 DEBUG(DEBUG_ERR, ("Unable to freeze nodes.\n"));
1846 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
1847 talloc_free(tmp_ctx);
1851 ret = ctdb_ctrl_pulldb(ctdb, options.pnn, dbmap->dbs[i].dbid,
1852 CTDB_LMASTER_ANY, tmp_ctx,
1853 TIMELIMIT(), &outdata);
1855 DEBUG(DEBUG_ERR,(__location__ " Unable to copy db from node %u\n", options.pnn));
1856 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
1857 talloc_free(tmp_ctx);
1861 /* thaw all nodes */
1862 nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
1863 if (ctdb_client_async_control(ctdb, CTDB_CONTROL_THAW,
1868 DEBUG(DEBUG_ERR, ("Unable to thaw nodes.\n"));
1869 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
1870 talloc_free(tmp_ctx);
1874 fh = open(argv[1], O_RDWR|O_CREAT, 0600);
1876 DEBUG(DEBUG_ERR,("Failed to open file '%s'\n", argv[1]));
1877 talloc_free(tmp_ctx);
1881 dbhdr.persistent = dbmap->dbs[i].persistent;
1882 dbhdr.size = outdata.dsize;
1883 write(fh, &dbhdr, sizeof(dbhdr));
1884 write(fh, outdata.dptr, outdata.dsize);
1887 talloc_free(tmp_ctx);
1892 * restore a database from a file
1894 static int control_restoredb(struct ctdb_context *ctdb, int argc, const char **argv)
1897 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1900 struct db_file_header dbhdr;
1901 struct ctdb_db_context *ctdb_db;
1902 struct ctdb_node_map *nodemap=NULL;
1903 struct ctdb_vnn_map *vnnmap=NULL;
1905 struct ctdb_control_wipe_database w;
1907 uint32_t generation;
1910 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
1914 fh = open(argv[1], O_RDONLY);
1916 DEBUG(DEBUG_ERR,("Failed to open file '%s'\n", argv[1]));
1917 talloc_free(tmp_ctx);
1921 read(fh, &dbhdr, sizeof(dbhdr));
1922 outdata.dsize = dbhdr.size;
1923 outdata.dptr = talloc_size(tmp_ctx, outdata.dsize);
1924 if (outdata.dptr == NULL) {
1925 DEBUG(DEBUG_ERR,("Failed to allocate data of size '%lu'\n", dbhdr.size));
1927 talloc_free(tmp_ctx);
1930 read(fh, outdata.dptr, outdata.dsize);
1934 ctdb_db = ctdb_attach(ctdb, argv[0], dbhdr.persistent, 0);
1935 if (ctdb_db == NULL) {
1936 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", argv[0]));
1937 talloc_free(tmp_ctx);
1941 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
1943 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
1944 talloc_free(tmp_ctx);
1949 ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &vnnmap);
1951 DEBUG(DEBUG_ERR, ("Unable to get vnnmap from node %u\n", options.pnn));
1952 talloc_free(tmp_ctx);
1956 /* freeze all nodes */
1957 nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
1958 if (ctdb_client_async_control(ctdb, CTDB_CONTROL_FREEZE,
1963 DEBUG(DEBUG_ERR, ("Unable to freeze nodes.\n"));
1964 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
1965 talloc_free(tmp_ctx);
1969 generation = vnnmap->generation;
1970 data.dptr = (void *)&generation;
1971 data.dsize = sizeof(generation);
1973 /* start a cluster wide transaction */
1974 nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
1975 if (ctdb_client_async_control(ctdb, CTDB_CONTROL_TRANSACTION_START,
1977 TIMELIMIT(), false, data,
1980 DEBUG(DEBUG_ERR, ("Unable to start cluster wide transactions.\n"));
1985 w.db_id = ctdb_db->db_id;
1986 w.transaction_id = generation;
1988 data.dptr = (void *)&w;
1989 data.dsize = sizeof(w);
1991 /* wipe all the remote databases. */
1992 nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
1993 if (ctdb_client_async_control(ctdb, CTDB_CONTROL_WIPE_DATABASE,
1995 TIMELIMIT(), false, data,
1998 DEBUG(DEBUG_ERR, ("Unable to wipe database.\n"));
1999 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
2000 talloc_free(tmp_ctx);
2004 /* push the database */
2005 nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
2006 if (ctdb_client_async_control(ctdb, CTDB_CONTROL_PUSH_DB,
2008 TIMELIMIT(), false, outdata,
2011 DEBUG(DEBUG_ERR, ("Failed to push database.\n"));
2012 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
2013 talloc_free(tmp_ctx);
2017 data.dptr = (void *)&generation;
2018 data.dsize = sizeof(generation);
2020 /* commit all the changes */
2021 if (ctdb_client_async_control(ctdb, CTDB_CONTROL_TRANSACTION_COMMIT,
2023 TIMELIMIT(), false, data,
2026 DEBUG(DEBUG_ERR, ("Unable to commit databases.\n"));
2027 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
2028 talloc_free(tmp_ctx);
2033 /* thaw all nodes */
2034 nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
2035 if (ctdb_client_async_control(ctdb, CTDB_CONTROL_THAW,
2040 DEBUG(DEBUG_ERR, ("Unable to thaw nodes.\n"));
2041 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
2042 talloc_free(tmp_ctx);
2047 talloc_free(tmp_ctx);
2054 static int control_dumpmemory(struct ctdb_context *ctdb, int argc, const char **argv)
2060 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
2061 ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_DUMP_MEMORY,
2062 0, tdb_null, tmp_ctx, &data, &res, NULL, &errmsg);
2063 if (ret != 0 || res != 0) {
2064 DEBUG(DEBUG_ERR,("Failed to dump memory - %s\n", errmsg));
2065 talloc_free(tmp_ctx);
2068 write(1, data.dptr, data.dsize);
2069 talloc_free(tmp_ctx);
2074 handler for memory dumps
2076 static void mem_dump_handler(struct ctdb_context *ctdb, uint64_t srvid,
2077 TDB_DATA data, void *private_data)
2079 write(1, data.dptr, data.dsize);
2084 dump memory usage on the recovery daemon
2086 static int control_rddumpmemory(struct ctdb_context *ctdb, int argc, const char **argv)
2090 struct rd_memdump_reply rd;
2092 rd.pnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
2094 DEBUG(DEBUG_ERR, ("Failed to get pnn of local node\n"));
2097 rd.srvid = getpid();
2099 /* register a message port for receiveing the reply so that we
2100 can receive the reply
2102 ctdb_set_message_handler(ctdb, rd.srvid, mem_dump_handler, NULL);
2105 data.dptr = (uint8_t *)&rd;
2106 data.dsize = sizeof(rd);
2108 ret = ctdb_send_message(ctdb, options.pnn, CTDB_SRVID_MEM_DUMP, data);
2110 DEBUG(DEBUG_ERR,("Failed to send memdump request message to %u\n", options.pnn));
2114 /* this loop will terminate when we have received the reply */
2116 event_loop_once(ctdb->ev);
2123 list all nodes in the cluster
2125 static int control_listnodes(struct ctdb_context *ctdb, int argc, const char **argv)
2128 struct ctdb_node_map *nodemap=NULL;
2130 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
2132 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
2136 for(i=0;i<nodemap->num;i++){
2137 printf("%s\n", inet_ntoa(nodemap->nodes[i].sin.sin_addr));
2144 reload the nodes file on the local node
2146 static int control_reload_nodes_file(struct ctdb_context *ctdb, int argc, const char **argv)
2150 struct ctdb_node_map *nodemap=NULL;
2152 mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
2154 DEBUG(DEBUG_ERR, ("Failed to read pnn of local node\n"));
2158 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
2160 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2164 /* reload the nodes file on all remote nodes */
2165 for (i=0;i<nodemap->num;i++) {
2166 if (nodemap->nodes[i].pnn == mypnn) {
2169 DEBUG(DEBUG_NOTICE, ("Reloading nodes file on node %u\n", nodemap->nodes[i].pnn));
2170 ret = ctdb_ctrl_reload_nodes_file(ctdb, TIMELIMIT(),
2171 nodemap->nodes[i].pnn);
2173 DEBUG(DEBUG_ERR, ("ERROR: Failed to reload nodes file on node %u. You MUST fix that node manually!\n", nodemap->nodes[i].pnn));
2177 /* reload the nodes file on the local node */
2178 DEBUG(DEBUG_NOTICE, ("Reloading nodes file on node %u\n", mypnn));
2179 ret = ctdb_ctrl_reload_nodes_file(ctdb, TIMELIMIT(), mypnn);
2181 DEBUG(DEBUG_ERR, ("ERROR: Failed to reload nodes file on node %u. You MUST fix that node manually!\n", mypnn));
2188 static const struct {
2190 int (*fn)(struct ctdb_context *, int, const char **);
2194 } ctdb_commands[] = {
2196 { "version", control_version, true, "show version of ctdb" },
2198 { "status", control_status, true, "show node status" },
2199 { "uptime", control_uptime, true, "show node uptime" },
2200 { "ping", control_ping, true, "ping all nodes" },
2201 { "getvar", control_getvar, true, "get a tunable variable", "<name>"},
2202 { "setvar", control_setvar, true, "set a tunable variable", "<name> <value>"},
2203 { "listvars", control_listvars, true, "list tunable variables"},
2204 { "statistics", control_statistics, false, "show statistics" },
2205 { "statisticsreset", control_statistics_reset, true, "reset statistics"},
2206 { "ip", control_ip, false, "show which public ip's that ctdb manages" },
2207 { "process-exists", control_process_exists, true, "check if a process exists on a node", "<pid>"},
2208 { "getdbmap", control_getdbmap, true, "show the database map" },
2209 { "catdb", control_catdb, true, "dump a database" , "<dbname>"},
2210 { "getmonmode", control_getmonmode, true, "show monitoring mode" },
2211 { "getcapabilities", control_getcapabilities, true, "show node capabilities" },
2212 { "pnn", control_pnn, true, "show the pnn of the currnet node" },
2213 { "lvs", control_lvs, true, "show lvs configuration" },
2214 { "lvsmaster", control_lvsmaster, true, "show which node is the lvs master" },
2215 { "disablemonitor", control_disable_monmode, true, "set monitoring mode to DISABLE" },
2216 { "enablemonitor", control_enable_monmode, true, "set monitoring mode to ACTIVE" },
2217 { "setdebug", control_setdebug, true, "set debug level", "<EMERG|ALERT|CRIT|ERR|WARNING|NOTICE|INFO|DEBUG>" },
2218 { "getdebug", control_getdebug, true, "get debug level" },
2219 { "attach", control_attach, true, "attach to a database", "<dbname>" },
2220 { "dumpmemory", control_dumpmemory, true, "dump memory map to stdout" },
2221 { "rddumpmemory", control_rddumpmemory, true, "dump memory map from the recovery daemon to stdout" },
2222 { "getpid", control_getpid, true, "get ctdbd process ID" },
2223 { "disable", control_disable, true, "disable a nodes public IP" },
2224 { "enable", control_enable, true, "enable a nodes public IP" },
2225 { "ban", control_ban, true, "ban a node from the cluster", "<bantime|0>"},
2226 { "unban", control_unban, true, "unban a node from the cluster" },
2227 { "shutdown", control_shutdown, true, "shutdown ctdbd" },
2228 { "recover", control_recover, true, "force recovery" },
2229 { "freeze", control_freeze, true, "freeze all databases" },
2230 { "thaw", control_thaw, true, "thaw all databases" },
2231 { "isnotrecmaster", control_isnotrecmaster, false, "check if the local node is recmaster or not" },
2232 { "killtcp", kill_tcp, false, "kill a tcp connection.", "<srcip:port> <dstip:port>" },
2233 { "gratiousarp", control_gratious_arp, false, "send a gratious arp", "<ip> <interface>" },
2234 { "tickle", tickle_tcp, false, "send a tcp tickle ack", "<srcip:port> <dstip:port>" },
2235 { "gettickles", control_get_tickles, false, "get the list of tickles registered for this ip", "<ip>" },
2237 { "regsrvid", regsrvid, false, "register a server id", "<pnn> <type> <id>" },
2238 { "unregsrvid", unregsrvid, false, "unregister a server id", "<pnn> <type> <id>" },
2239 { "chksrvid", chksrvid, false, "check if a server id exists", "<pnn> <type> <id>" },
2240 { "getsrvids", getsrvids, false, "get a list of all server ids"},
2241 { "vacuum", ctdb_vacuum, false, "vacuum the databases of empty records", "[max_records]"},
2242 { "repack", ctdb_repack, false, "repack all databases", "[max_freelist]"},
2243 { "listnodes", control_listnodes, false, "list all nodes in the cluster"},
2244 { "reloadnodes", control_reload_nodes_file, false, "reload the nodes file and restart the transport on all nodes"},
2245 { "moveip", control_moveip, false, "move/failover an ip address to another node", "<ip> <node>"},
2246 { "addip", control_addip, true, "add a ip address to a node", "<ip/mask> <iface>"},
2247 { "delip", control_delip, false, "delete an ip address from a node", "<ip>"},
2248 { "eventscript", control_eventscript, true, "run the eventscript with the given parameters on a node", "<arguments>"},
2249 { "backupdb", control_backupdb, false, "backup the database into a file.", "<database> <file>"},
2250 { "restoredb", control_restoredb, false, "restore the database from a file.", "<database> <file>"},
2256 static void usage(void)
2260 "Usage: ctdb [options] <control>\n" \
2262 " -n <node> choose node number, or 'all' (defaults to local node)\n"
2263 " -Y generate machinereadable output\n"
2264 " -t <timelimit> set timelimit for control in seconds (default %u)\n", options.timelimit);
2265 printf("Controls:\n");
2266 for (i=0;i<ARRAY_SIZE(ctdb_commands);i++) {
2267 printf(" %-15s %-27s %s\n",
2268 ctdb_commands[i].name,
2269 ctdb_commands[i].args?ctdb_commands[i].args:"",
2270 ctdb_commands[i].msg);
2276 static void ctdb_alarm(int sig)
2278 printf("Maximum runtime exceeded - exiting\n");
2285 int main(int argc, const char *argv[])
2287 struct ctdb_context *ctdb;
2288 char *nodestring = NULL;
2289 struct poptOption popt_options[] = {
2292 { "timelimit", 't', POPT_ARG_INT, &options.timelimit, 0, "timelimit", "integer" },
2293 { "node", 'n', POPT_ARG_STRING, &nodestring, 0, "node", "integer|all" },
2294 { "machinereadable", 'Y', POPT_ARG_NONE, &options.machinereadable, 0, "enable machinereadable output", NULL },
2295 { "maxruntime", 'T', POPT_ARG_INT, &options.maxruntime, 0, "die if runtime exceeds this limit (in seconds)", "integer" },
2299 const char **extra_argv;
2303 struct event_context *ev;
2304 const char *control;
2308 /* set some defaults */
2309 options.maxruntime = 0;
2310 options.timelimit = 3;
2311 options.pnn = CTDB_CURRENT_NODE;
2313 pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
2315 while ((opt = poptGetNextOpt(pc)) != -1) {
2318 DEBUG(DEBUG_ERR, ("Invalid option %s: %s\n",
2319 poptBadOption(pc, 0), poptStrerror(opt)));
2324 /* setup the remaining options for the main program to use */
2325 extra_argv = poptGetArgs(pc);
2328 while (extra_argv[extra_argc]) extra_argc++;
2331 if (extra_argc < 1) {
2335 if (options.maxruntime != 0) {
2336 signal(SIGALRM, ctdb_alarm);
2337 alarm(options.maxruntime);
2340 /* setup the node number to contact */
2341 if (nodestring != NULL) {
2342 if (strcmp(nodestring, "all") == 0) {
2343 options.pnn = CTDB_BROADCAST_ALL;
2345 options.pnn = strtoul(nodestring, NULL, 0);
2349 control = extra_argv[0];
2351 ev = event_context_init(NULL);
2353 /* initialise ctdb */
2354 ctdb = ctdb_cmdline_client(ev);
2356 DEBUG(DEBUG_ERR, ("Failed to init ctdb\n"));
2360 for (i=0;i<ARRAY_SIZE(ctdb_commands);i++) {
2361 if (strcmp(control, ctdb_commands[i].name) == 0) {
2364 if (options.pnn == CTDB_CURRENT_NODE) {
2366 pnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
2373 if (ctdb_commands[i].auto_all &&
2374 options.pnn == CTDB_BROADCAST_ALL) {
2379 nodes = ctdb_get_connected_nodes(ctdb, TIMELIMIT(), ctdb, &num_nodes);
2380 CTDB_NO_MEMORY(ctdb, nodes);
2382 for (j=0;j<num_nodes;j++) {
2383 options.pnn = nodes[j];
2384 ret |= ctdb_commands[i].fn(ctdb, extra_argc-1, extra_argv+1);
2388 ret = ctdb_commands[i].fn(ctdb, extra_argc-1, extra_argv+1);
2394 if (i == ARRAY_SIZE(ctdb_commands)) {
2395 DEBUG(DEBUG_ERR, ("Unknown control '%s'\n", control));