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(memory_used),
121 STATISTICS_FIELD(max_hop_count),
123 printf("CTDB version %u\n", CTDB_VERSION);
124 for (i=0;i<ARRAY_SIZE(fields);i++) {
125 if (strchr(fields[i].name, '.')) {
126 preflen = strcspn(fields[i].name, ".")+1;
127 if (!prefix || strncmp(prefix, fields[i].name, preflen) != 0) {
128 prefix = fields[i].name;
129 printf(" %*.*s\n", preflen-1, preflen-1, fields[i].name);
134 printf(" %*s%-22s%*s%10u\n",
136 fields[i].name+preflen,
138 *(uint32_t *)(fields[i].offset+(uint8_t *)s));
140 printf(" %-30s %.6f sec\n", "max_call_latency", s->max_call_latency);
141 printf(" %-30s %.6f sec\n", "max_lockwait_latency", s->max_lockwait_latency);
142 talloc_free(tmp_ctx);
146 display remote ctdb statistics combined from all nodes
148 static int control_statistics_all(struct ctdb_context *ctdb)
151 struct ctdb_statistics statistics;
155 nodes = ctdb_get_connected_nodes(ctdb, TIMELIMIT(), ctdb, &num_nodes);
156 CTDB_NO_MEMORY(ctdb, nodes);
158 ZERO_STRUCT(statistics);
160 for (i=0;i<num_nodes;i++) {
161 struct ctdb_statistics s1;
163 uint32_t *v1 = (uint32_t *)&s1;
164 uint32_t *v2 = (uint32_t *)&statistics;
166 offsetof(struct ctdb_statistics, __last_counter) / sizeof(uint32_t);
167 ret = ctdb_ctrl_statistics(ctdb, nodes[i], &s1);
169 DEBUG(DEBUG_ERR, ("Unable to get statistics from node %u\n", nodes[i]));
172 for (j=0;j<num_ints;j++) {
175 statistics.max_hop_count =
176 MAX(statistics.max_hop_count, s1.max_hop_count);
177 statistics.max_call_latency =
178 MAX(statistics.max_call_latency, s1.max_call_latency);
179 statistics.max_lockwait_latency =
180 MAX(statistics.max_lockwait_latency, s1.max_lockwait_latency);
183 printf("Gathered statistics for %u nodes\n", num_nodes);
184 show_statistics(&statistics);
189 display remote ctdb statistics
191 static int control_statistics(struct ctdb_context *ctdb, int argc, const char **argv)
194 struct ctdb_statistics statistics;
196 if (options.pnn == CTDB_BROADCAST_ALL) {
197 return control_statistics_all(ctdb);
200 ret = ctdb_ctrl_statistics(ctdb, options.pnn, &statistics);
202 DEBUG(DEBUG_ERR, ("Unable to get statistics from node %u\n", options.pnn));
205 show_statistics(&statistics);
211 reset remote ctdb statistics
213 static int control_statistics_reset(struct ctdb_context *ctdb, int argc, const char **argv)
217 ret = ctdb_statistics_reset(ctdb, options.pnn);
219 DEBUG(DEBUG_ERR, ("Unable to reset statistics on node %u\n", options.pnn));
227 display uptime of remote node
229 static int control_uptime(struct ctdb_context *ctdb, int argc, const char **argv)
233 struct ctdb_uptime *uptime = NULL;
234 int tmp, days, hours, minutes, seconds;
236 mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
241 ret = ctdb_ctrl_uptime(ctdb, ctdb, TIMELIMIT(), options.pnn, &uptime);
243 DEBUG(DEBUG_ERR, ("Unable to get uptime from node %u\n", options.pnn));
247 if (options.machinereadable){
248 printf(":Current Node Time:Ctdb Start Time:Last Recovery Time:\n");
249 printf(":%u:%u:%u:\n",
250 (unsigned int)uptime->current_time.tv_sec,
251 (unsigned int)uptime->ctdbd_start_time.tv_sec,
252 (unsigned int)uptime->last_recovery_time.tv_sec);
256 printf("Current time of node : %s", ctime(&uptime->current_time.tv_sec));
258 tmp = uptime->current_time.tv_sec - uptime->ctdbd_start_time.tv_sec;
266 printf("Ctdbd start time : (%03d %02d:%02d:%02d) %s", days, hours, minutes, seconds, ctime(&uptime->ctdbd_start_time.tv_sec));
268 tmp = uptime->current_time.tv_sec - uptime->last_recovery_time.tv_sec;
276 printf("Time of last recovery : (%03d %02d:%02d:%02d) %s", days, hours, minutes, seconds, ctime(&uptime->last_recovery_time.tv_sec));
282 display remote ctdb status
284 static int control_status(struct ctdb_context *ctdb, int argc, const char **argv)
287 struct ctdb_vnn_map *vnnmap=NULL;
288 struct ctdb_node_map *nodemap=NULL;
289 uint32_t recmode, recmaster;
292 mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
297 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
299 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
303 if(options.machinereadable){
304 printf(":Node:IP:Disconnected:Banned:Disabled:Unhealthy:\n");
305 for(i=0;i<nodemap->num;i++){
306 printf(":%d:%s:%d:%d:%d:%d:\n", nodemap->nodes[i].pnn,
307 inet_ntoa(nodemap->nodes[i].sin.sin_addr),
308 !!(nodemap->nodes[i].flags&NODE_FLAGS_DISCONNECTED),
309 !!(nodemap->nodes[i].flags&NODE_FLAGS_BANNED),
310 !!(nodemap->nodes[i].flags&NODE_FLAGS_PERMANENTLY_DISABLED),
311 !!(nodemap->nodes[i].flags&NODE_FLAGS_UNHEALTHY));
316 printf("Number of nodes:%d\n", nodemap->num);
317 for(i=0;i<nodemap->num;i++){
318 static const struct {
322 { NODE_FLAGS_DISCONNECTED, "DISCONNECTED" },
323 { NODE_FLAGS_PERMANENTLY_DISABLED, "DISABLED" },
324 { NODE_FLAGS_BANNED, "BANNED" },
325 { NODE_FLAGS_UNHEALTHY, "UNHEALTHY" },
327 char *flags_str = NULL;
329 for (j=0;j<ARRAY_SIZE(flag_names);j++) {
330 if (nodemap->nodes[i].flags & flag_names[j].flag) {
331 if (flags_str == NULL) {
332 flags_str = talloc_strdup(ctdb, flag_names[j].name);
334 flags_str = talloc_asprintf_append(flags_str, "|%s",
337 CTDB_NO_MEMORY_FATAL(ctdb, flags_str);
340 if (flags_str == NULL) {
341 flags_str = talloc_strdup(ctdb, "OK");
342 CTDB_NO_MEMORY_FATAL(ctdb, flags_str);
344 printf("pnn:%d %-16s %s%s\n", nodemap->nodes[i].pnn,
345 inet_ntoa(nodemap->nodes[i].sin.sin_addr),
347 nodemap->nodes[i].pnn == mypnn?" (THIS NODE)":"");
348 talloc_free(flags_str);
351 ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &vnnmap);
353 DEBUG(DEBUG_ERR, ("Unable to get vnnmap from node %u\n", options.pnn));
356 if (vnnmap->generation == INVALID_GENERATION) {
357 printf("Generation:INVALID\n");
359 printf("Generation:%d\n",vnnmap->generation);
361 printf("Size:%d\n",vnnmap->size);
362 for(i=0;i<vnnmap->size;i++){
363 printf("hash:%d lmaster:%d\n", i, vnnmap->map[i]);
366 ret = ctdb_ctrl_getrecmode(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmode);
368 DEBUG(DEBUG_ERR, ("Unable to get recmode from node %u\n", options.pnn));
371 printf("Recovery mode:%s (%d)\n",recmode==CTDB_RECOVERY_NORMAL?"NORMAL":"RECOVERY",recmode);
373 ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
375 DEBUG(DEBUG_ERR, ("Unable to get recmaster from node %u\n", options.pnn));
378 printf("Recovery master:%d\n",recmaster);
384 get a list of all tickles for this pnn
386 static int control_get_tickles(struct ctdb_context *ctdb, int argc, const char **argv)
388 struct ctdb_control_tcp_tickle_list *list;
389 struct sockaddr_in ip;
396 ip.sin_family = AF_INET;
397 if (inet_aton(argv[0], &ip.sin_addr) == 0) {
398 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
402 ret = ctdb_ctrl_get_tcp_tickles(ctdb, TIMELIMIT(), options.pnn, ctdb, &ip, &list);
404 DEBUG(DEBUG_ERR, ("Unable to list tickles\n"));
408 printf("Tickles for ip:%s\n", inet_ntoa(list->ip.sin_addr));
409 printf("Num tickles:%u\n", list->tickles.num);
410 for (i=0;i<list->tickles.num;i++) {
411 printf("SRC: %s:%u ", inet_ntoa(list->tickles.connections[i].saddr.sin_addr), ntohs(list->tickles.connections[i].saddr.sin_port));
412 printf("DST: %s:%u\n", inet_ntoa(list->tickles.connections[i].daddr.sin_addr), ntohs(list->tickles.connections[i].daddr.sin_port));
420 /* send a release ip to all nodes */
421 static int control_send_release(struct ctdb_context *ctdb, uint32_t pnn,
422 struct sockaddr_in *sin)
425 struct ctdb_public_ip pip;
427 struct ctdb_node_map *nodemap=NULL;
429 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
431 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
435 /* send a moveip message to the recovery master */
437 pip.sin.sin_family = AF_INET;
438 pip.sin.sin_addr = sin->sin_addr;
439 data.dsize = sizeof(pip);
440 data.dptr = (unsigned char *)&pip;
443 /* send release ip to all nodes */
444 if (ctdb_client_async_control(ctdb, CTDB_CONTROL_RELEASE_IP,
445 list_of_active_nodes(ctdb, nodemap, ctdb, true),
446 TIMELIMIT(), false, data, NULL) != 0) {
447 DEBUG(DEBUG_ERR, (__location__ " Unable to send 'ReleaseIP' to all nodes.\n"));
455 move/failover an ip address to a specific node
457 static int control_moveip(struct ctdb_context *ctdb, int argc, const char **argv)
460 struct sockaddr_in ip;
462 struct ctdb_all_public_ips *ips;
469 ip.sin_family = AF_INET;
470 if (inet_aton(argv[0], &ip.sin_addr) == 0) {
471 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
476 if (sscanf(argv[1], "%u", &pnn) != 1) {
477 DEBUG(DEBUG_ERR, ("Badly formed pnn\n"));
481 ret = ctdb_ctrl_get_tunable(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, "DeterministicIPs", &value);
483 DEBUG(DEBUG_ERR, ("Unable to get tunable variable 'DeterministicIPs' from local node\n"));
487 DEBUG(DEBUG_ERR, ("The tunable 'DeterministicIPs' is set. You can only move ip addresses when this feature is disabled\n"));
491 ret = ctdb_ctrl_get_tunable(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, "NoIPFailback", &value);
493 DEBUG(DEBUG_ERR, ("Unable to get tunable variable 'NoIPFailback' from local node\n"));
497 DEBUG(DEBUG_ERR, ("The tunable 'NoIPFailback' is NOT set. You can only move ip addresses when this feature is enabled\n"));
501 /* read the public ip list from the node */
502 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), pnn, ctdb, &ips);
504 DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %u\n", pnn));
508 for (i=0;i<ips->num;i++) {
509 if (ctdb_same_ip(&ip, &ips->ips[i].sin)) {
514 DEBUG(DEBUG_ERR, ("Node %u can not host ip address '%s'\n",
515 pnn, inet_ntoa(ip.sin_addr)));
518 if (ips->ips[i].pnn == pnn) {
519 DEBUG(DEBUG_ERR, ("Host %u is already hosting '%s'\n",
520 pnn, inet_ntoa(ips->ips[i].sin.sin_addr)));
524 ret = control_send_release(ctdb, pnn, &ips->ips[i].sin);
526 DEBUG(DEBUG_ERR, ("Failed to send 'change ip' to all nodes\n"));;
535 struct sockaddr_in sin;
538 void getips_store_callback(void *param, void *data)
540 struct node_ip *node_ip = (struct node_ip *)data;
541 struct ctdb_all_public_ips *ips = param;
545 ips->ips[i].pnn = node_ip->pnn;
546 ips->ips[i].sin = node_ip->sin;
549 void getips_count_callback(void *param, void *data)
551 uint32_t *count = param;
557 control_get_all_public_ips(struct ctdb_context *ctdb, TALLOC_CTX *tmp_ctx, struct ctdb_all_public_ips **ips)
559 struct ctdb_all_public_ips *tmp_ips;
560 struct ctdb_node_map *nodemap=NULL;
565 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, tmp_ctx, &nodemap);
567 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
571 tree = trbt_create(tmp_ctx, 0);
573 for(i=0;i<nodemap->num;i++){
574 if (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) {
578 /* read the public ip list from this node */
579 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &tmp_ips);
581 DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %u\n", nodemap->nodes[i].pnn));
585 for (j=0; j<tmp_ips->num;j++) {
586 struct node_ip *node_ip;
588 node_ip = talloc(tmp_ctx, struct node_ip);
589 node_ip->pnn = tmp_ips->ips[j].pnn;
590 node_ip->sin = tmp_ips->ips[j].sin;
592 trbt_insert32(tree, tmp_ips->ips[j].sin.sin_addr.s_addr, node_ip);
594 talloc_free(tmp_ips);
599 trbt_traversearray32(tree, 1, getips_count_callback, &count);
601 len = offsetof(struct ctdb_all_public_ips, ips) +
602 count*sizeof(struct ctdb_public_ip);
603 tmp_ips = talloc_zero_size(tmp_ctx, len);
604 trbt_traversearray32(tree, 1, getips_store_callback, tmp_ips);
613 * scans all other nodes and returns a pnn for another node that can host this
617 find_other_host_for_public_ip(struct ctdb_context *ctdb, struct sockaddr_in *addr)
619 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
620 struct ctdb_all_public_ips *ips;
621 struct ctdb_node_map *nodemap=NULL;
624 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, tmp_ctx, &nodemap);
626 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
627 talloc_free(tmp_ctx);
631 for(i=0;i<nodemap->num;i++){
632 if (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) {
635 if (nodemap->nodes[i].pnn == options.pnn) {
639 /* read the public ip list from this node */
640 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &ips);
642 DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %u\n", nodemap->nodes[i].pnn));
646 for (j=0;j<ips->num;j++) {
647 if (ctdb_same_ip(addr, &ips->ips[j].sin)) {
648 talloc_free(tmp_ctx);
649 return nodemap->nodes[i].pnn;
655 talloc_free(tmp_ctx);
660 add a public ip address to a node
662 static int control_addip(struct ctdb_context *ctdb, int argc, const char **argv)
667 struct sockaddr_in addr;
668 struct ctdb_control_ip_iface *pub;
669 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
670 struct ctdb_all_public_ips *ips;
673 talloc_free(tmp_ctx);
677 if (!parse_ip_mask(argv[0], &addr, &mask)) {
678 DEBUG(DEBUG_ERR, ("Badly formed ip/mask : %s\n", argv[0]));
679 talloc_free(tmp_ctx);
683 ret = control_get_all_public_ips(ctdb, tmp_ctx, &ips);
685 DEBUG(DEBUG_ERR, ("Unable to get public ip list from cluster\n"));
686 talloc_free(tmp_ctx);
691 len = offsetof(struct ctdb_control_ip_iface, iface) + strlen(argv[1]) + 1;
692 pub = talloc_size(tmp_ctx, len);
693 CTDB_NO_MEMORY(ctdb, pub);
697 pub->len = strlen(argv[1])+1;
698 memcpy(&pub->iface[0], argv[1], strlen(argv[1])+1);
700 ret = ctdb_ctrl_add_public_ip(ctdb, TIMELIMIT(), options.pnn, pub);
702 DEBUG(DEBUG_ERR, ("Unable to add public ip to node %u\n", options.pnn));
703 talloc_free(tmp_ctx);
708 /* check if some other node is already serving this ip, if not,
711 for (i=0;i<ips->num;i++) {
712 if (ctdb_same_ip(&addr, &ips->ips[i].sin)) {
716 /* no one has this ip so we claim it */
718 ret = control_send_release(ctdb, options.pnn, &addr);
720 ret = control_send_release(ctdb, ips->ips[i].pnn, &addr);
724 DEBUG(DEBUG_ERR, ("Failed to send 'change ip' to all nodes\n"));
728 talloc_free(tmp_ctx);
733 delete a public ip address from a node
735 static int control_delip(struct ctdb_context *ctdb, int argc, const char **argv)
738 struct sockaddr_in addr;
739 struct ctdb_control_ip_iface pub;
740 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
741 struct ctdb_all_public_ips *ips;
744 talloc_free(tmp_ctx);
748 addr.sin_family = AF_INET;
749 if (inet_aton(argv[0], &addr.sin_addr) == 0) {
750 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
758 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &ips);
760 DEBUG(DEBUG_ERR, ("Unable to get public ip list from cluster\n"));
761 talloc_free(tmp_ctx);
765 for (i=0;i<ips->num;i++) {
766 if (ctdb_same_ip(&addr, &ips->ips[i].sin)) {
772 DEBUG(DEBUG_ERR, ("This node does not support this public address '%s'\n",
773 inet_ntoa(addr.sin_addr)));
774 talloc_free(tmp_ctx);
778 if (ips->ips[i].pnn == options.pnn) {
779 ret = find_other_host_for_public_ip(ctdb, &addr);
781 ret = control_send_release(ctdb, ret, &addr);
783 DEBUG(DEBUG_ERR, ("Failed to migrate this ip to another node. Use moveip of recover to reassign this address to a node\n"));
788 ret = ctdb_ctrl_del_public_ip(ctdb, TIMELIMIT(), options.pnn, &pub);
790 DEBUG(DEBUG_ERR, ("Unable to del public ip from node %u\n", options.pnn));
791 talloc_free(tmp_ctx);
795 talloc_free(tmp_ctx);
800 kill a tcp connection
802 static int kill_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
805 struct ctdb_control_killtcp killtcp;
811 if (!parse_ip_port(argv[0], (ctdb_sock_addr *)&killtcp.src)) {
812 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[0]));
816 if (!parse_ip_port(argv[1], (ctdb_sock_addr *)&killtcp.dst)) {
817 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[1]));
821 ret = ctdb_ctrl_killtcp(ctdb, TIMELIMIT(), options.pnn, &killtcp);
823 DEBUG(DEBUG_ERR, ("Unable to killtcp from node %u\n", options.pnn));
834 static int control_gratious_arp(struct ctdb_context *ctdb, int argc, const char **argv)
837 struct sockaddr_in sin;
843 sin.sin_family = AF_INET;
844 if (inet_aton(argv[0], &sin.sin_addr) == 0) {
845 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
849 ret = ctdb_ctrl_gratious_arp(ctdb, TIMELIMIT(), options.pnn, &sin, argv[1]);
851 DEBUG(DEBUG_ERR, ("Unable to send gratious_arp from node %u\n", options.pnn));
861 static int regsrvid(struct ctdb_context *ctdb, int argc, const char **argv)
864 struct ctdb_server_id server_id;
870 server_id.pnn = strtoul(argv[0], NULL, 0);
871 server_id.type = strtoul(argv[1], NULL, 0);
872 server_id.server_id = strtoul(argv[2], NULL, 0);
874 ret = ctdb_ctrl_register_server_id(ctdb, TIMELIMIT(), &server_id);
876 DEBUG(DEBUG_ERR, ("Unable to register server_id from node %u\n", options.pnn));
883 unregister a server id
885 static int unregsrvid(struct ctdb_context *ctdb, int argc, const char **argv)
888 struct ctdb_server_id server_id;
894 server_id.pnn = strtoul(argv[0], NULL, 0);
895 server_id.type = strtoul(argv[1], NULL, 0);
896 server_id.server_id = strtoul(argv[2], NULL, 0);
898 ret = ctdb_ctrl_unregister_server_id(ctdb, TIMELIMIT(), &server_id);
900 DEBUG(DEBUG_ERR, ("Unable to unregister server_id from node %u\n", options.pnn));
907 check if a server id exists
909 static int chksrvid(struct ctdb_context *ctdb, int argc, const char **argv)
913 struct ctdb_server_id server_id;
919 server_id.pnn = strtoul(argv[0], NULL, 0);
920 server_id.type = strtoul(argv[1], NULL, 0);
921 server_id.server_id = strtoul(argv[2], NULL, 0);
923 ret = ctdb_ctrl_check_server_id(ctdb, TIMELIMIT(), options.pnn, &server_id, &status);
925 DEBUG(DEBUG_ERR, ("Unable to check server_id from node %u\n", options.pnn));
930 printf("Server id %d:%d:%d EXISTS\n", server_id.pnn, server_id.type, server_id.server_id);
932 printf("Server id %d:%d:%d does NOT exist\n", server_id.pnn, server_id.type, server_id.server_id);
938 get a list of all server ids that are registered on a node
940 static int getsrvids(struct ctdb_context *ctdb, int argc, const char **argv)
943 struct ctdb_server_id_list *server_ids;
945 ret = ctdb_ctrl_get_server_id_list(ctdb, ctdb, TIMELIMIT(), options.pnn, &server_ids);
947 DEBUG(DEBUG_ERR, ("Unable to get server_id list from node %u\n", options.pnn));
951 for (i=0; i<server_ids->num; i++) {
952 printf("Server id %d:%d:%d\n",
953 server_ids->server_ids[i].pnn,
954 server_ids->server_ids[i].type,
955 server_ids->server_ids[i].server_id);
962 send a tcp tickle ack
964 static int tickle_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
967 ctdb_sock_addr src, dst;
973 if (!parse_ip_port(argv[0], &src)) {
974 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[0]));
978 if (!parse_ip_port(argv[1], &dst)) {
979 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[1]));
983 ret = ctdb_sys_send_tcp(&src, &dst, 0, 0, 0);
987 DEBUG(DEBUG_ERR, ("Error while sending tickle ack\n"));
994 display public ip status
996 static int control_ip(struct ctdb_context *ctdb, int argc, const char **argv)
999 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1000 struct ctdb_all_public_ips *ips;
1002 if (options.pnn == CTDB_BROADCAST_ALL) {
1003 /* read the list of public ips from all nodes */
1004 ret = control_get_all_public_ips(ctdb, tmp_ctx, &ips);
1006 /* read the public ip list from this node */
1007 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &ips);
1010 DEBUG(DEBUG_ERR, ("Unable to get public ips from node %u\n", options.pnn));
1011 talloc_free(tmp_ctx);
1015 if (options.machinereadable){
1016 printf(":Public IP:Node:\n");
1018 if (options.pnn == CTDB_BROADCAST_ALL) {
1019 printf("Public IPs on ALL nodes\n");
1021 printf("Public IPs on node %u\n", options.pnn);
1025 for (i=1;i<=ips->num;i++) {
1026 if (options.machinereadable){
1027 printf(":%s:%d:\n", inet_ntoa(ips->ips[ips->num-i].sin.sin_addr), ips->ips[ips->num-i].pnn);
1029 printf("%s %d\n", inet_ntoa(ips->ips[ips->num-i].sin.sin_addr), ips->ips[ips->num-i].pnn);
1033 talloc_free(tmp_ctx);
1038 display pid of a ctdb daemon
1040 static int control_getpid(struct ctdb_context *ctdb, int argc, const char **argv)
1045 ret = ctdb_ctrl_getpid(ctdb, TIMELIMIT(), options.pnn, &pid);
1047 DEBUG(DEBUG_ERR, ("Unable to get daemon pid from node %u\n", options.pnn));
1050 printf("Pid:%d\n", pid);
1056 disable a remote node
1058 static int control_disable(struct ctdb_context *ctdb, int argc, const char **argv)
1062 ret = ctdb_ctrl_modflags(ctdb, TIMELIMIT(), options.pnn, NODE_FLAGS_PERMANENTLY_DISABLED, 0);
1064 DEBUG(DEBUG_ERR, ("Unable to disable node %u\n", options.pnn));
1072 enable a disabled remote node
1074 static int control_enable(struct ctdb_context *ctdb, int argc, const char **argv)
1078 ret = ctdb_ctrl_modflags(ctdb, TIMELIMIT(), options.pnn, 0, NODE_FLAGS_PERMANENTLY_DISABLED);
1080 DEBUG(DEBUG_ERR, ("Unable to enable node %u\n", options.pnn));
1088 ban a node from the cluster
1090 static int control_ban(struct ctdb_context *ctdb, int argc, const char **argv)
1093 struct ctdb_ban_info b;
1101 ban_time = strtoul(argv[0], NULL, 0);
1103 b.pnn = options.pnn;
1104 b.ban_time = ban_time;
1106 data.dptr = (uint8_t *)&b;
1107 data.dsize = sizeof(b);
1109 ret = ctdb_send_message(ctdb, options.pnn, CTDB_SRVID_BAN_NODE, data);
1111 DEBUG(DEBUG_ERR,("Failed to ban node %u\n", options.pnn));
1120 unban a node from the cluster
1122 static int control_unban(struct ctdb_context *ctdb, int argc, const char **argv)
1127 data.dptr = (uint8_t *)&options.pnn;
1128 data.dsize = sizeof(uint32_t);
1130 ret = ctdb_send_message(ctdb, options.pnn, CTDB_SRVID_UNBAN_NODE, data);
1132 DEBUG(DEBUG_ERR,("Failed to to unban node %u\n", options.pnn));
1143 static int control_shutdown(struct ctdb_context *ctdb, int argc, const char **argv)
1147 ret = ctdb_ctrl_shutdown(ctdb, TIMELIMIT(), options.pnn);
1149 DEBUG(DEBUG_ERR, ("Unable to shutdown node %u\n", options.pnn));
1159 static int control_recover(struct ctdb_context *ctdb, int argc, const char **argv)
1163 ret = ctdb_ctrl_freeze(ctdb, TIMELIMIT(), options.pnn);
1165 DEBUG(DEBUG_ERR, ("Unable to freeze node\n"));
1169 ret = ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
1171 DEBUG(DEBUG_ERR, ("Unable to set recovery mode\n"));
1180 display monitoring mode of a remote node
1182 static int control_getmonmode(struct ctdb_context *ctdb, int argc, const char **argv)
1187 ret = ctdb_ctrl_getmonmode(ctdb, TIMELIMIT(), options.pnn, &monmode);
1189 DEBUG(DEBUG_ERR, ("Unable to get monmode from node %u\n", options.pnn));
1192 printf("Monitoring mode:%s (%d)\n",monmode==CTDB_MONITORING_ACTIVE?"ACTIVE":"DISABLED",monmode);
1199 display capabilities of a remote node
1201 static int control_getcapabilities(struct ctdb_context *ctdb, int argc, const char **argv)
1203 uint32_t capabilities;
1206 ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), options.pnn, &capabilities);
1208 DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", options.pnn));
1212 if (!options.machinereadable){
1213 printf("RECMASTER: %s\n", (capabilities&CTDB_CAP_RECMASTER)?"YES":"NO");
1214 printf("LMASTER: %s\n", (capabilities&CTDB_CAP_LMASTER)?"YES":"NO");
1216 printf(":RECMASTER:LMASTER:\n");
1218 !!(capabilities&CTDB_CAP_RECMASTER),
1219 !!(capabilities&CTDB_CAP_LMASTER));
1225 disable monitoring on a node
1227 static int control_disable_monmode(struct ctdb_context *ctdb, int argc, const char **argv)
1232 ret = ctdb_ctrl_disable_monmode(ctdb, TIMELIMIT(), options.pnn);
1234 DEBUG(DEBUG_ERR, ("Unable to disable monmode on node %u\n", options.pnn));
1237 printf("Monitoring mode:%s\n","DISABLED");
1243 enable monitoring on a node
1245 static int control_enable_monmode(struct ctdb_context *ctdb, int argc, const char **argv)
1250 ret = ctdb_ctrl_enable_monmode(ctdb, TIMELIMIT(), options.pnn);
1252 DEBUG(DEBUG_ERR, ("Unable to enable monmode on node %u\n", options.pnn));
1255 printf("Monitoring mode:%s\n","ACTIVE");
1261 display remote list of keys/data for a db
1263 static int control_catdb(struct ctdb_context *ctdb, int argc, const char **argv)
1265 const char *db_name;
1266 struct ctdb_db_context *ctdb_db;
1274 ctdb_db = ctdb_attach(ctdb, db_name, false);
1276 if (ctdb_db == NULL) {
1277 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
1281 /* traverse and dump the cluster tdb */
1282 ret = ctdb_dump_db(ctdb_db, stdout);
1284 DEBUG(DEBUG_ERR, ("Unable to dump database\n"));
1287 talloc_free(ctdb_db);
1289 printf("Dumped %d records\n", ret);
1295 display a list of the databases on a remote ctdb
1297 static int control_getdbmap(struct ctdb_context *ctdb, int argc, const char **argv)
1300 struct ctdb_dbid_map *dbmap=NULL;
1302 ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &dbmap);
1304 DEBUG(DEBUG_ERR, ("Unable to get dbids from node %u\n", options.pnn));
1308 printf("Number of databases:%d\n", dbmap->num);
1309 for(i=0;i<dbmap->num;i++){
1314 ctdb_ctrl_getdbpath(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &path);
1315 ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &name);
1316 persistent = dbmap->dbs[i].persistent;
1317 printf("dbid:0x%08x name:%s path:%s %s\n", dbmap->dbs[i].dbid, name,
1318 path, persistent?"PERSISTENT":"");
1325 get the filename of the reclock file
1327 static int control_getreclock(struct ctdb_context *ctdb, int argc, const char **argv)
1330 const char *reclock;
1331 struct ctdb_node_map *nodemap=NULL;
1334 ret = ctdb_ctrl_getreclock(ctdb, TIMELIMIT(), options.pnn, ctdb, &reclock);
1336 DEBUG(DEBUG_ERR, ("Unable to get reclock file from node %u\n", options.pnn));
1340 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
1342 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
1347 pnnfile = talloc_asprintf(ctdb, "%s.pnn", reclock);
1348 CTDB_NO_MEMORY(ctdb, pnnfile);
1350 fd = open(pnnfile, O_RDONLY);
1352 DEBUG(DEBUG_CRIT,(__location__ " Failed to open reclock pnn file %s - (%s)\n",
1353 pnnfile, strerror(errno)));
1358 printf("Reclock file : %s\n", reclock);
1359 for (i=0; i<nodemap->num; i++) {
1362 count = ctdb_read_pnn_lock(fd, nodemap->nodes[i].pnn);
1364 printf("pnn:%d %-16s", nodemap->nodes[i].pnn,
1365 inet_ntoa(nodemap->nodes[i].sin.sin_addr));
1367 printf(" NOT ACTIVE\n");
1369 printf(" ACTIVE with %d connections\n", count);
1379 check if the local node is recmaster or not
1380 it will return 1 if this node is the recmaster and 0 if it is not
1381 or if the local ctdb daemon could not be contacted
1383 static int control_isnotrecmaster(struct ctdb_context *ctdb, int argc, const char **argv)
1385 uint32_t mypnn, recmaster;
1388 mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
1390 printf("Failed to get pnn of node\n");
1394 ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
1396 printf("Failed to get the recmaster\n");
1400 if (recmaster != mypnn) {
1401 printf("this node is not the recmaster\n");
1405 printf("this node is the recmaster\n");
1412 static int control_ping(struct ctdb_context *ctdb, int argc, const char **argv)
1415 struct timeval tv = timeval_current();
1416 ret = ctdb_ctrl_ping(ctdb, options.pnn);
1418 printf("Unable to get ping response from node %u\n", options.pnn);
1420 printf("response from %u time=%.6f sec (%d clients)\n",
1421 options.pnn, timeval_elapsed(&tv), ret);
1430 static int control_getvar(struct ctdb_context *ctdb, int argc, const char **argv)
1441 ret = ctdb_ctrl_get_tunable(ctdb, TIMELIMIT(), options.pnn, name, &value);
1443 DEBUG(DEBUG_ERR, ("Unable to get tunable variable '%s'\n", name));
1447 printf("%-19s = %u\n", name, value);
1454 static int control_setvar(struct ctdb_context *ctdb, int argc, const char **argv)
1465 value = strtoul(argv[1], NULL, 0);
1467 ret = ctdb_ctrl_set_tunable(ctdb, TIMELIMIT(), options.pnn, name, value);
1469 DEBUG(DEBUG_ERR, ("Unable to set tunable variable '%s'\n", name));
1478 static int control_listvars(struct ctdb_context *ctdb, int argc, const char **argv)
1484 ret = ctdb_ctrl_list_tunables(ctdb, TIMELIMIT(), options.pnn, ctdb, &list, &count);
1486 DEBUG(DEBUG_ERR, ("Unable to list tunable variables\n"));
1490 for (i=0;i<count;i++) {
1491 control_getvar(ctdb, 1, &list[i]);
1501 const char *description;
1502 } debug_levels[] = {
1503 {DEBUG_EMERG, "EMERG"},
1504 {DEBUG_ALERT, "ALERT"},
1505 {DEBUG_CRIT, "CRIT"},
1507 {DEBUG_WARNING, "WARNING"},
1508 {DEBUG_NOTICE, "NOTICE"},
1509 {DEBUG_INFO, "INFO"},
1510 {DEBUG_DEBUG, "DEBUG"}
1513 static const char *get_debug_by_level(int32_t level)
1517 for (i=0;i<ARRAY_SIZE(debug_levels);i++) {
1518 if (debug_levels[i].level == level) {
1519 return debug_levels[i].description;
1525 static int32_t get_debug_by_desc(const char *desc)
1529 for (i=0;i<ARRAY_SIZE(debug_levels);i++) {
1530 if (!strcmp(debug_levels[i].description, desc)) {
1531 return debug_levels[i].level;
1538 display debug level on a node
1540 static int control_getdebug(struct ctdb_context *ctdb, int argc, const char **argv)
1545 ret = ctdb_ctrl_get_debuglevel(ctdb, options.pnn, &level);
1547 DEBUG(DEBUG_ERR, ("Unable to get debuglevel response from node %u\n", options.pnn));
1550 if (options.machinereadable){
1551 printf(":Name:Level:\n");
1552 printf(":%s:%d:\n",get_debug_by_level(level),level);
1554 printf("Node %u is at debug level %s (%u)\n", options.pnn, get_debug_by_level(level), level);
1562 set debug level on a node or all nodes
1564 static int control_setdebug(struct ctdb_context *ctdb, int argc, const char **argv)
1573 if (isalpha(argv[0][0])) {
1574 level = get_debug_by_desc(argv[0]);
1576 level = strtoul(argv[0], NULL, 0);
1579 ret = ctdb_ctrl_set_debuglevel(ctdb, options.pnn, level);
1581 DEBUG(DEBUG_ERR, ("Unable to set debug level on node %u\n", options.pnn));
1590 static int control_freeze(struct ctdb_context *ctdb, int argc, const char **argv)
1594 ret = ctdb_ctrl_freeze(ctdb, TIMELIMIT(), options.pnn);
1596 DEBUG(DEBUG_ERR, ("Unable to freeze node %u\n", options.pnn));
1604 static int control_thaw(struct ctdb_context *ctdb, int argc, const char **argv)
1608 ret = ctdb_ctrl_thaw(ctdb, TIMELIMIT(), options.pnn);
1610 DEBUG(DEBUG_ERR, ("Unable to thaw node %u\n", options.pnn));
1617 attach to a database
1619 static int control_attach(struct ctdb_context *ctdb, int argc, const char **argv)
1621 const char *db_name;
1622 struct ctdb_db_context *ctdb_db;
1629 ctdb_db = ctdb_attach(ctdb, db_name, false);
1630 if (ctdb_db == NULL) {
1631 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
1641 static int control_eventscript(struct ctdb_context *ctdb, int argc, const char **argv)
1647 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1650 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
1654 data.dptr = (unsigned char *)discard_const(argv[0]);
1655 data.dsize = strlen((char *)data.dptr) + 1;
1657 DEBUG(DEBUG_ERR, ("Running eventscripts with arguments \"%s\" on node %u\n", data.dptr, options.pnn));
1659 ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_RUN_EVENTSCRIPTS,
1660 0, data, tmp_ctx, NULL, &res, NULL, &errmsg);
1661 if (ret != 0 || res != 0) {
1662 DEBUG(DEBUG_ERR,("Failed to run eventscripts - %s\n", errmsg));
1663 talloc_free(tmp_ctx);
1666 talloc_free(tmp_ctx);
1673 static int control_dumpmemory(struct ctdb_context *ctdb, int argc, const char **argv)
1679 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1680 ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_DUMP_MEMORY,
1681 0, tdb_null, tmp_ctx, &data, &res, NULL, &errmsg);
1682 if (ret != 0 || res != 0) {
1683 DEBUG(DEBUG_ERR,("Failed to dump memory - %s\n", errmsg));
1684 talloc_free(tmp_ctx);
1687 write(1, data.dptr, data.dsize);
1688 talloc_free(tmp_ctx);
1693 handler for memory dumps
1695 static void mem_dump_handler(struct ctdb_context *ctdb, uint64_t srvid,
1696 TDB_DATA data, void *private_data)
1698 write(1, data.dptr, data.dsize);
1703 dump memory usage on the recovery daemon
1705 static int control_rddumpmemory(struct ctdb_context *ctdb, int argc, const char **argv)
1709 struct rd_memdump_reply rd;
1711 rd.pnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
1713 DEBUG(DEBUG_ERR, ("Failed to get pnn of local node\n"));
1716 rd.srvid = getpid();
1718 /* register a message port for receiveing the reply so that we
1719 can receive the reply
1721 ctdb_set_message_handler(ctdb, rd.srvid, mem_dump_handler, NULL);
1724 data.dptr = (uint8_t *)&rd;
1725 data.dsize = sizeof(rd);
1727 ret = ctdb_send_message(ctdb, options.pnn, CTDB_SRVID_MEM_DUMP, data);
1729 DEBUG(DEBUG_ERR,("Failed to send memdump request message to %u\n", options.pnn));
1733 /* this loop will terminate when we have received the reply */
1735 event_loop_once(ctdb->ev);
1742 list all nodes in the cluster
1744 static int control_listnodes(struct ctdb_context *ctdb, int argc, const char **argv)
1747 struct ctdb_node_map *nodemap=NULL;
1749 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
1751 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
1755 for(i=0;i<nodemap->num;i++){
1756 printf("%s\n", inet_ntoa(nodemap->nodes[i].sin.sin_addr));
1763 reload the nodes file on the local node
1765 static int control_reload_nodes_file(struct ctdb_context *ctdb, int argc, const char **argv)
1769 struct ctdb_node_map *nodemap=NULL;
1771 mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
1773 DEBUG(DEBUG_ERR, ("Failed to read pnn of local node\n"));
1777 ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
1779 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
1783 /* reload the nodes file on all remote nodes */
1784 for (i=0;i<nodemap->num;i++) {
1785 if (nodemap->nodes[i].pnn == mypnn) {
1788 DEBUG(DEBUG_NOTICE, ("Reloading nodes file on node %u\n", nodemap->nodes[i].pnn));
1789 ret = ctdb_ctrl_reload_nodes_file(ctdb, TIMELIMIT(),
1790 nodemap->nodes[i].pnn);
1792 DEBUG(DEBUG_ERR, ("ERROR: Failed to reload nodes file on node %u. You MUST fix that node manually!\n", nodemap->nodes[i].pnn));
1796 /* reload the nodes file on the local node */
1797 DEBUG(DEBUG_NOTICE, ("Reloading nodes file on node %u\n", mypnn));
1798 ret = ctdb_ctrl_reload_nodes_file(ctdb, TIMELIMIT(), mypnn);
1800 DEBUG(DEBUG_ERR, ("ERROR: Failed to reload nodes file on node %u. You MUST fix that node manually!\n", mypnn));
1807 static const struct {
1809 int (*fn)(struct ctdb_context *, int, const char **);
1813 } ctdb_commands[] = {
1815 { "version", control_version, true, "show version of ctdb" },
1817 { "status", control_status, true, "show node status" },
1818 { "uptime", control_uptime, true, "show node uptime" },
1819 { "ping", control_ping, true, "ping all nodes" },
1820 { "getvar", control_getvar, true, "get a tunable variable", "<name>"},
1821 { "setvar", control_setvar, true, "set a tunable variable", "<name> <value>"},
1822 { "listvars", control_listvars, true, "list tunable variables"},
1823 { "statistics", control_statistics, false, "show statistics" },
1824 { "statisticsreset", control_statistics_reset, true, "reset statistics"},
1825 { "ip", control_ip, false, "show which public ip's that ctdb manages" },
1826 { "process-exists", control_process_exists, true, "check if a process exists on a node", "<pid>"},
1827 { "getdbmap", control_getdbmap, true, "show the database map" },
1828 { "catdb", control_catdb, true, "dump a database" , "<dbname>"},
1829 { "getmonmode", control_getmonmode, true, "show monitoring mode" },
1830 { "getcapabilities", control_getcapabilities, true, "show node capabilities" },
1831 { "disablemonitor", control_disable_monmode, true, "set monitoring mode to DISABLE" },
1832 { "enablemonitor", control_enable_monmode, true, "set monitoring mode to ACTIVE" },
1833 { "setdebug", control_setdebug, true, "set debug level", "<EMERG|ALERT|CRIT|ERR|WARNING|NOTICE|INFO|DEBUG>" },
1834 { "getdebug", control_getdebug, true, "get debug level" },
1835 { "attach", control_attach, true, "attach to a database", "<dbname>" },
1836 { "dumpmemory", control_dumpmemory, true, "dump memory map to stdout" },
1837 { "rddumpmemory", control_rddumpmemory, true, "dump memory map from the recovery daemon to stdout" },
1838 { "getpid", control_getpid, true, "get ctdbd process ID" },
1839 { "disable", control_disable, true, "disable a nodes public IP" },
1840 { "enable", control_enable, true, "enable a nodes public IP" },
1841 { "ban", control_ban, true, "ban a node from the cluster", "<bantime|0>"},
1842 { "unban", control_unban, true, "unban a node from the cluster" },
1843 { "shutdown", control_shutdown, true, "shutdown ctdbd" },
1844 { "recover", control_recover, true, "force recovery" },
1845 { "freeze", control_freeze, true, "freeze all databases" },
1846 { "thaw", control_thaw, true, "thaw all databases" },
1847 { "isnotrecmaster", control_isnotrecmaster, false, "check if the local node is recmaster or not" },
1848 { "killtcp", kill_tcp, false, "kill a tcp connection.", "<srcip:port> <dstip:port>" },
1849 { "gratiousarp", control_gratious_arp, false, "send a gratious arp", "<ip> <interface>" },
1850 { "tickle", tickle_tcp, false, "send a tcp tickle ack", "<srcip:port> <dstip:port>" },
1851 { "gettickles", control_get_tickles, false, "get the list of tickles registered for this ip", "<ip>" },
1853 { "regsrvid", regsrvid, false, "register a server id", "<pnn> <type> <id>" },
1854 { "unregsrvid", unregsrvid, false, "unregister a server id", "<pnn> <type> <id>" },
1855 { "chksrvid", chksrvid, false, "check if a server id exists", "<pnn> <type> <id>" },
1856 { "getsrvids", getsrvids, false, "get a list of all server ids"},
1857 { "vacuum", ctdb_vacuum, false, "vacuum the databases of empty records", "[max_records]"},
1858 { "repack", ctdb_repack, false, "repack all databases", "[max_freelist]"},
1859 { "listnodes", control_listnodes, false, "list all nodes in the cluster"},
1860 { "reloadnodes", control_reload_nodes_file, false, "reload the nodes file and restart the transport on all nodes"},
1861 { "getreclock", control_getreclock, false, "get the path to the reclock file" },
1862 { "moveip", control_moveip, false, "move/failover an ip address to another node", "<ip> <node>"},
1863 { "addip", control_addip, true, "add a ip address to a node", "<ip/mask> <iface>"},
1864 { "delip", control_delip, false, "delete an ip address from a node", "<ip>"},
1865 { "eventscript", control_eventscript, true, "run the eventscript with the given parameters on a node", "<arguments>"},
1871 static void usage(void)
1875 "Usage: ctdb [options] <control>\n" \
1877 " -n <node> choose node number, or 'all' (defaults to local node)\n"
1878 " -Y generate machinereadable output\n"
1879 " -t <timelimit> set timelimit for control in seconds (default %u)\n", options.timelimit);
1880 printf("Controls:\n");
1881 for (i=0;i<ARRAY_SIZE(ctdb_commands);i++) {
1882 printf(" %-15s %-27s %s\n",
1883 ctdb_commands[i].name,
1884 ctdb_commands[i].args?ctdb_commands[i].args:"",
1885 ctdb_commands[i].msg);
1891 static void ctdb_alarm(int sig)
1893 printf("Maximum runtime exceeded - exiting\n");
1900 int main(int argc, const char *argv[])
1902 struct ctdb_context *ctdb;
1903 char *nodestring = NULL;
1904 struct poptOption popt_options[] = {
1907 { "timelimit", 't', POPT_ARG_INT, &options.timelimit, 0, "timelimit", "integer" },
1908 { "node", 'n', POPT_ARG_STRING, &nodestring, 0, "node", "integer|all" },
1909 { "machinereadable", 'Y', POPT_ARG_NONE, &options.machinereadable, 0, "enable machinereadable output", NULL },
1910 { "maxruntime", 'T', POPT_ARG_INT, &options.maxruntime, 0, "die if runtime exceeds this limit (in seconds)", "integer" },
1914 const char **extra_argv;
1918 struct event_context *ev;
1919 const char *control;
1923 /* set some defaults */
1924 options.maxruntime = 0;
1925 options.timelimit = 3;
1926 options.pnn = CTDB_CURRENT_NODE;
1928 pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
1930 while ((opt = poptGetNextOpt(pc)) != -1) {
1933 DEBUG(DEBUG_ERR, ("Invalid option %s: %s\n",
1934 poptBadOption(pc, 0), poptStrerror(opt)));
1939 /* setup the remaining options for the main program to use */
1940 extra_argv = poptGetArgs(pc);
1943 while (extra_argv[extra_argc]) extra_argc++;
1946 if (extra_argc < 1) {
1950 if (options.maxruntime != 0) {
1951 signal(SIGALRM, ctdb_alarm);
1952 alarm(options.maxruntime);
1955 /* setup the node number to contact */
1956 if (nodestring != NULL) {
1957 if (strcmp(nodestring, "all") == 0) {
1958 options.pnn = CTDB_BROADCAST_ALL;
1960 options.pnn = strtoul(nodestring, NULL, 0);
1964 control = extra_argv[0];
1966 ev = event_context_init(NULL);
1968 /* initialise ctdb */
1969 ctdb = ctdb_cmdline_client(ev);
1971 DEBUG(DEBUG_ERR, ("Failed to init ctdb\n"));
1975 for (i=0;i<ARRAY_SIZE(ctdb_commands);i++) {
1976 if (strcmp(control, ctdb_commands[i].name) == 0) {
1979 if (options.pnn == CTDB_CURRENT_NODE) {
1981 pnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
1988 if (ctdb_commands[i].auto_all &&
1989 options.pnn == CTDB_BROADCAST_ALL) {
1994 nodes = ctdb_get_connected_nodes(ctdb, TIMELIMIT(), ctdb, &num_nodes);
1995 CTDB_NO_MEMORY(ctdb, nodes);
1997 for (j=0;j<num_nodes;j++) {
1998 options.pnn = nodes[j];
1999 ret |= ctdb_commands[i].fn(ctdb, extra_argc-1, extra_argv+1);
2003 ret = ctdb_commands[i].fn(ctdb, extra_argc-1, extra_argv+1);
2009 if (i == ARRAY_SIZE(ctdb_commands)) {
2010 DEBUG(DEBUG_ERR, ("Unknown control '%s'\n", control));