+++ /dev/null
-/*
- ctdb control tool
-
- Copyright (C) Andrew Tridgell 2007
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include "lib/events/events.h"
-#include "system/filesys.h"
-#include "system/network.h"
-#include "popt.h"
-#include "cmdline.h"
-#include "../include/ctdb.h"
-#include "../include/ctdb_private.h"
-
-static void usage(void);
-
-static struct {
- int timelimit;
- uint32_t vnn;
- int machinereadable;
-} options;
-
-#define TIMELIMIT() timeval_current_ofs(options.timelimit, 0)
-
-/*
- see if a process exists
- */
-static int control_process_exists(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- uint32_t vnn, pid;
- int ret;
- if (argc < 1) {
- usage();
- }
-
- if (sscanf(argv[0], "%u:%u", &vnn, &pid) != 2) {
- printf("Badly formed vnn:pid\n");
- return -1;
- }
-
- ret = ctdb_ctrl_process_exists(ctdb, vnn, pid);
- if (ret == 0) {
- printf("%u:%u exists\n", vnn, pid);
- } else {
- printf("%u:%u does not exist\n", vnn, pid);
- }
- return ret;
-}
-
-/*
- display statistics structure
- */
-static void show_statistics(struct ctdb_statistics *s)
-{
- TALLOC_CTX *tmp_ctx = talloc_new(NULL);
- int i;
- const char *prefix=NULL;
- int preflen=0;
- const struct {
- const char *name;
- uint32_t offset;
- } fields[] = {
-#define STATISTICS_FIELD(n) { #n, offsetof(struct ctdb_statistics, n) }
- STATISTICS_FIELD(num_clients),
- STATISTICS_FIELD(frozen),
- STATISTICS_FIELD(recovering),
- STATISTICS_FIELD(client_packets_sent),
- STATISTICS_FIELD(client_packets_recv),
- STATISTICS_FIELD(node_packets_sent),
- STATISTICS_FIELD(node_packets_recv),
- STATISTICS_FIELD(keepalive_packets_sent),
- STATISTICS_FIELD(keepalive_packets_recv),
- STATISTICS_FIELD(node.req_call),
- STATISTICS_FIELD(node.reply_call),
- STATISTICS_FIELD(node.req_dmaster),
- STATISTICS_FIELD(node.reply_dmaster),
- STATISTICS_FIELD(node.reply_error),
- STATISTICS_FIELD(node.req_message),
- STATISTICS_FIELD(node.req_control),
- STATISTICS_FIELD(node.reply_control),
- STATISTICS_FIELD(client.req_call),
- STATISTICS_FIELD(client.req_message),
- STATISTICS_FIELD(client.req_control),
- STATISTICS_FIELD(timeouts.call),
- STATISTICS_FIELD(timeouts.control),
- STATISTICS_FIELD(timeouts.traverse),
- STATISTICS_FIELD(total_calls),
- STATISTICS_FIELD(pending_calls),
- STATISTICS_FIELD(lockwait_calls),
- STATISTICS_FIELD(pending_lockwait_calls),
- STATISTICS_FIELD(memory_used),
- STATISTICS_FIELD(max_hop_count),
- };
- printf("CTDB version %u\n", CTDB_VERSION);
- for (i=0;i<ARRAY_SIZE(fields);i++) {
- if (strchr(fields[i].name, '.')) {
- preflen = strcspn(fields[i].name, ".")+1;
- if (!prefix || strncmp(prefix, fields[i].name, preflen) != 0) {
- prefix = fields[i].name;
- printf(" %*.*s\n", preflen-1, preflen-1, fields[i].name);
- }
- } else {
- preflen = 0;
- }
- printf(" %*s%-22s%*s%10u\n",
- preflen?4:0, "",
- fields[i].name+preflen,
- preflen?0:4, "",
- *(uint32_t *)(fields[i].offset+(uint8_t *)s));
- }
- printf(" %-30s %.6f sec\n", "max_call_latency", s->max_call_latency);
- printf(" %-30s %.6f sec\n", "max_lockwait_latency", s->max_lockwait_latency);
- talloc_free(tmp_ctx);
-}
-
-/*
- display remote ctdb statistics combined from all nodes
- */
-static int control_statistics_all(struct ctdb_context *ctdb)
-{
- int ret, i;
- struct ctdb_statistics statistics;
- uint32_t *nodes;
- uint32_t num_nodes;
-
- nodes = ctdb_get_connected_nodes(ctdb, TIMELIMIT(), ctdb, &num_nodes);
- CTDB_NO_MEMORY(ctdb, nodes);
-
- ZERO_STRUCT(statistics);
-
- for (i=0;i<num_nodes;i++) {
- struct ctdb_statistics s1;
- int j;
- uint32_t *v1 = (uint32_t *)&s1;
- uint32_t *v2 = (uint32_t *)&statistics;
- uint32_t num_ints =
- offsetof(struct ctdb_statistics, __last_counter) / sizeof(uint32_t);
- ret = ctdb_ctrl_statistics(ctdb, nodes[i], &s1);
- if (ret != 0) {
- printf("Unable to get statistics from node %u\n", nodes[i]);
- return ret;
- }
- for (j=0;j<num_ints;j++) {
- v2[j] += v1[j];
- }
- statistics.max_hop_count =
- MAX(statistics.max_hop_count, s1.max_hop_count);
- statistics.max_call_latency =
- MAX(statistics.max_call_latency, s1.max_call_latency);
- statistics.max_lockwait_latency =
- MAX(statistics.max_lockwait_latency, s1.max_lockwait_latency);
- }
- talloc_free(nodes);
- printf("Gathered statistics for %u nodes\n", num_nodes);
- show_statistics(&statistics);
- return 0;
-}
-
-/*
- display remote ctdb statistics
- */
-static int control_statistics(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
- struct ctdb_statistics statistics;
-
- if (options.vnn == CTDB_BROADCAST_ALL) {
- return control_statistics_all(ctdb);
- }
-
- ret = ctdb_ctrl_statistics(ctdb, options.vnn, &statistics);
- if (ret != 0) {
- printf("Unable to get statistics from node %u\n", options.vnn);
- return ret;
- }
- show_statistics(&statistics);
- return 0;
-}
-
-
-/*
- reset remote ctdb statistics
- */
-static int control_statistics_reset(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
-
- ret = ctdb_statistics_reset(ctdb, options.vnn);
- if (ret != 0) {
- printf("Unable to reset statistics on node %u\n", options.vnn);
- return ret;
- }
- return 0;
-}
-
-
-/*
- display remote ctdb status
- */
-static int control_status(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int i, ret;
- struct ctdb_vnn_map *vnnmap=NULL;
- struct ctdb_node_map *nodemap=NULL;
- uint32_t recmode, recmaster;
- uint32_t myvnn;
-
- myvnn = ctdb_ctrl_getvnn(ctdb, TIMELIMIT(), options.vnn);
-
- ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.vnn, ctdb, &nodemap);
- if (ret != 0) {
- printf("Unable to get nodemap from node %u\n", options.vnn);
- return ret;
- }
-
- if(options.machinereadable){
- printf(":Node:IP:Disonnected:Disabled:Permanently Disabled:\n");
- for(i=0;i<nodemap->num;i++){
- printf(":%d:%s:%d:%d:%d:\n", nodemap->nodes[i].vnn,
- inet_ntoa(nodemap->nodes[i].sin.sin_addr),
- !!(nodemap->nodes[i].flags&NODE_FLAGS_DISCONNECTED),
- !!(nodemap->nodes[i].flags&NODE_FLAGS_UNHEALTHY),
- !!(nodemap->nodes[i].flags&NODE_FLAGS_PERMANENTLY_DISABLED));
- }
- return 0;
- }
-
- printf("Number of nodes:%d\n", nodemap->num);
- for(i=0;i<nodemap->num;i++){
- static const struct {
- uint32_t flag;
- const char *name;
- } flag_names[] = {
- { NODE_FLAGS_DISCONNECTED, "DISCONNECTED" },
- { NODE_FLAGS_PERMANENTLY_DISABLED, "DISABLED" },
- { NODE_FLAGS_BANNED, "BANNED" },
- { NODE_FLAGS_UNHEALTHY, "UNHEALTHY" },
- };
- char *flags_str = NULL;
- int j;
- for (j=0;j<ARRAY_SIZE(flag_names);j++) {
- if (nodemap->nodes[i].flags & flag_names[j].flag) {
- if (flags_str == NULL) {
- flags_str = talloc_strdup(ctdb, flag_names[j].name);
- } else {
- flags_str = talloc_asprintf_append(flags_str, "|%s",
- flag_names[j].name);
- }
- CTDB_NO_MEMORY_FATAL(ctdb, flags_str);
- }
- }
- if (flags_str == NULL) {
- flags_str = talloc_strdup(ctdb, "OK");
- CTDB_NO_MEMORY_FATAL(ctdb, flags_str);
- }
- printf("vnn:%d %-16s %s%s\n", nodemap->nodes[i].vnn,
- inet_ntoa(nodemap->nodes[i].sin.sin_addr),
- flags_str,
- nodemap->nodes[i].vnn == myvnn?" (THIS NODE)":"");
- talloc_free(flags_str);
- }
-
- ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), options.vnn, ctdb, &vnnmap);
- if (ret != 0) {
- printf("Unable to get vnnmap from node %u\n", options.vnn);
- return ret;
- }
- printf("Generation:%d\n",vnnmap->generation);
- printf("Size:%d\n",vnnmap->size);
- for(i=0;i<vnnmap->size;i++){
- printf("hash:%d lmaster:%d\n", i, vnnmap->map[i]);
- }
-
- ret = ctdb_ctrl_getrecmode(ctdb, TIMELIMIT(), options.vnn, &recmode);
- if (ret != 0) {
- printf("Unable to get recmode from node %u\n", options.vnn);
- return ret;
- }
- printf("Recovery mode:%s (%d)\n",recmode==CTDB_RECOVERY_NORMAL?"NORMAL":"RECOVERY",recmode);
-
- ret = ctdb_ctrl_getrecmaster(ctdb, TIMELIMIT(), options.vnn, &recmaster);
- if (ret != 0) {
- printf("Unable to get recmaster from node %u\n", options.vnn);
- return ret;
- }
- printf("Recovery master:%d\n",recmaster);
-
- return 0;
-}
-
-/*
- kill a tcp connection
- */
-static int kill_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int i, ret, numrst;
- struct sockaddr_in src, dst;
-
- if (argc < 3) {
- usage();
- }
-
- if (!parse_ip_port(argv[0], &src)) {
- printf("Bad IP:port '%s'\n", argv[0]);
- return -1;
- }
-
- if (!parse_ip_port(argv[1], &dst)) {
- printf("Bad IP:port '%s'\n", argv[1]);
- return -1;
- }
-
- numrst = strtoul(argv[2], NULL, 0);
-
- for (i=0;i<numrst;i++) {
- ret = ctdb_sys_kill_tcp(ctdb->ev, &src, &dst);
-
- printf("ret:%d\n", ret);
- if (ret==0) {
- return 0;
- }
- }
-
- return -1;
-}
-
-/*
- send a tcp tickle ack
- */
-static int tickle_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
- struct sockaddr_in src, dst;
-
- if (argc < 2) {
- usage();
- }
-
- if (!parse_ip_port(argv[0], &src)) {
- printf("Bad IP:port '%s'\n", argv[0]);
- return -1;
- }
-
- if (!parse_ip_port(argv[1], &dst)) {
- printf("Bad IP:port '%s'\n", argv[1]);
- return -1;
- }
-
- ret = ctdb_sys_send_tcp(&src, &dst, 0, 0, 0);
- if (ret==0) {
- return 0;
- }
- printf("Error while sending tickle ack\n");
-
- return -1;
-}
-
-/*
- display public ip status
- */
-static int control_ip(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int i, ret;
- struct ctdb_all_public_ips *ips;
- uint32_t myvnn;
-
- myvnn = ctdb_ctrl_getvnn(ctdb, TIMELIMIT(), options.vnn);
-
- ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), options.vnn, ctdb, &ips);
- if (ret != 0) {
- printf("Unable to get public ips from node %u\n", options.vnn);
- return ret;
- }
-
- if(options.machinereadable){
- printf(":Public IP:Node:\n");
- for(i=0;i<ips->num;i++){
- printf(":%s:%d:\n",
- inet_ntoa(ips->ips[i].sin.sin_addr),
- ips->ips[i].takeover_vnn);
- }
- return 0;
- }
-
-
- printf("Number of nodes:%d\n", ips->num);
- for(i=0;i<ips->num;i++){
- printf("%-16s %d\n",
- inet_ntoa(ips->ips[i].sin.sin_addr),
- ips->ips[i].takeover_vnn);
- }
-
- return 0;
-}
-
-/*
- display pid of a ctdb daemon
- */
-static int control_getpid(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- uint32_t pid;
- int ret;
-
- ret = ctdb_ctrl_getpid(ctdb, TIMELIMIT(), options.vnn, &pid);
- if (ret != 0) {
- printf("Unable to get daemon pid from node %u\n", options.vnn);
- return ret;
- }
- printf("Pid:%d\n", pid);
-
- return 0;
-}
-
-/*
- disable a remote node
- */
-static int control_disable(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
-
- ret = ctdb_ctrl_modflags(ctdb, TIMELIMIT(), options.vnn, NODE_FLAGS_PERMANENTLY_DISABLED, 0);
- if (ret != 0) {
- printf("Unable to disable node %u\n", options.vnn);
- return ret;
- }
-
- return 0;
-}
-
-/*
- enable a disabled remote node
- */
-static int control_enable(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
-
- ret = ctdb_ctrl_modflags(ctdb, TIMELIMIT(), options.vnn, 0, NODE_FLAGS_PERMANENTLY_DISABLED);
- if (ret != 0) {
- printf("Unable to enable node %u\n", options.vnn);
- return ret;
- }
-
- return 0;
-}
-
-/*
- ban a node from the cluster
- */
-static int control_ban(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
- uint32_t recmaster;
- struct ctdb_ban_info b;
- TDB_DATA data;
- uint32_t ban_time;
-
- if (argc < 1) {
- usage();
- }
-
- ban_time = strtoul(argv[0], NULL, 0);
-
- ret = ctdb_ctrl_getrecmaster(ctdb, TIMELIMIT(), options.vnn, &recmaster);
- if (ret != 0) {
- DEBUG(0,("Failed to find the recmaster\n"));
- return -1;
- }
-
- b.vnn = options.vnn;
- b.ban_time = ban_time;
-
- data.dptr = (uint8_t *)&b;
- data.dsize = sizeof(b);
-
- ret = ctdb_send_message(ctdb, recmaster, CTDB_SRVID_BAN_NODE, data);
- if (ret != 0) {
- DEBUG(0,("Failed to tell the recmaster to ban node %u\n", options.vnn));
- return -1;
- }
-
- return 0;
-}
-
-
-/*
- unban a node from the cluster
- */
-static int control_unban(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
- uint32_t recmaster;
- TDB_DATA data;
-
- ret = ctdb_ctrl_getrecmaster(ctdb, TIMELIMIT(), options.vnn, &recmaster);
- if (ret != 0) {
- DEBUG(0,("Failed to find the recmaster\n"));
- return -1;
- }
-
- data.dptr = (uint8_t *)&options.vnn;
- data.dsize = sizeof(uint32_t);
-
- ret = ctdb_send_message(ctdb, recmaster, CTDB_SRVID_UNBAN_NODE, data);
- if (ret != 0) {
- DEBUG(0,("Failed to tell the recmaster to unban node %u\n", options.vnn));
- return -1;
- }
-
- return 0;
-}
-
-
-/*
- shutdown a daemon
- */
-static int control_shutdown(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
-
- ret = ctdb_ctrl_shutdown(ctdb, TIMELIMIT(), options.vnn);
- if (ret != 0) {
- printf("Unable to shutdown node %u\n", options.vnn);
- return ret;
- }
-
- return 0;
-}
-
-/*
- trigger a recovery
- */
-static int control_recover(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
-
- ret = ctdb_ctrl_freeze(ctdb, TIMELIMIT(), options.vnn);
- if (ret != 0) {
- printf("Unable to freeze node\n");
- return ret;
- }
-
- ret = ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.vnn, CTDB_RECOVERY_ACTIVE);
- if (ret != 0) {
- printf("Unable to set recovery mode\n");
- return ret;
- }
-
- return 0;
-}
-
-
-/*
- display monitoring mode of a remote node
- */
-static int control_getmonmode(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- uint32_t monmode;
- int ret;
-
- ret = ctdb_ctrl_getmonmode(ctdb, TIMELIMIT(), options.vnn, &monmode);
- if (ret != 0) {
- printf("Unable to get monmode from node %u\n", options.vnn);
- return ret;
- }
- printf("Monitoring mode:%s (%d)\n",monmode==CTDB_MONITORING_ACTIVE?"ACTIVE":"DISABLED",monmode);
-
- return 0;
-}
-
-/*
- set the monitoring mode of a remote node
- */
-static int control_setmonmode(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- uint32_t monmode;
- int ret;
-
- if (argc < 1) {
- usage();
- }
-
- monmode = strtoul(argv[0], NULL, 0);
-
- ret = ctdb_ctrl_setmonmode(ctdb, TIMELIMIT(), options.vnn, monmode);
- if (ret != 0) {
- printf("Unable to set monmode on node %u\n", options.vnn);
- return ret;
- }
-
- return 0;
-}
-
-/*
- display remote list of keys/data for a db
- */
-static int control_catdb(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- const char *db_name;
- struct ctdb_db_context *ctdb_db;
- int ret;
-
- if (argc < 1) {
- usage();
- }
-
- db_name = argv[0];
- ctdb_db = ctdb_attach(ctdb, db_name);
-
- if (ctdb_db == NULL) {
- DEBUG(0,("Unable to attach to database '%s'\n", db_name));
- return -1;
- }
-
- /* traverse and dump the cluster tdb */
- ret = ctdb_dump_db(ctdb_db, stdout);
- if (ret == -1) {
- printf("Unable to dump database\n");
- return -1;
- }
- talloc_free(ctdb_db);
-
- printf("Dumped %d records\n", ret);
- return 0;
-}
-
-
-/*
- display a list of the databases on a remote ctdb
- */
-static int control_getdbmap(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int i, ret;
- struct ctdb_dbid_map *dbmap=NULL;
-
- ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.vnn, ctdb, &dbmap);
- if (ret != 0) {
- printf("Unable to get dbids from node %u\n", options.vnn);
- return ret;
- }
-
- printf("Number of databases:%d\n", dbmap->num);
- for(i=0;i<dbmap->num;i++){
- const char *path;
- const char *name;
-
- ctdb_ctrl_getdbpath(ctdb, TIMELIMIT(), options.vnn, dbmap->dbids[i], ctdb, &path);
- ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.vnn, dbmap->dbids[i], ctdb, &name);
- printf("dbid:0x%08x name:%s path:%s\n", dbmap->dbids[i], name, path);
- }
-
- return 0;
-}
-
-/*
- ping a node
- */
-static int control_ping(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
- struct timeval tv = timeval_current();
- ret = ctdb_ctrl_ping(ctdb, options.vnn);
- if (ret == -1) {
- printf("Unable to get ping response from node %u\n", options.vnn);
- } else {
- printf("response from %u time=%.6f sec (%d clients)\n",
- options.vnn, timeval_elapsed(&tv), ret);
- }
- return 0;
-}
-
-
-/*
- get a tunable
- */
-static int control_getvar(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- const char *name;
- uint32_t value;
- int ret;
-
- if (argc < 1) {
- usage();
- }
-
- name = argv[0];
- ret = ctdb_ctrl_get_tunable(ctdb, TIMELIMIT(), options.vnn, name, &value);
- if (ret == -1) {
- printf("Unable to get tunable variable '%s'\n", name);
- return -1;
- }
-
- printf("%-19s = %u\n", name, value);
- return 0;
-}
-
-/*
- set a tunable
- */
-static int control_setvar(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- const char *name;
- uint32_t value;
- int ret;
-
- if (argc < 2) {
- usage();
- }
-
- name = argv[0];
- value = strtoul(argv[1], NULL, 0);
-
- ret = ctdb_ctrl_set_tunable(ctdb, TIMELIMIT(), options.vnn, name, value);
- if (ret == -1) {
- printf("Unable to set tunable variable '%s'\n", name);
- return -1;
- }
- return 0;
-}
-
-/*
- list all tunables
- */
-static int control_listvars(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- uint32_t count;
- const char **list;
- int ret, i;
-
- ret = ctdb_ctrl_list_tunables(ctdb, TIMELIMIT(), options.vnn, ctdb, &list, &count);
- if (ret == -1) {
- printf("Unable to list tunable variables\n");
- return -1;
- }
-
- for (i=0;i<count;i++) {
- control_getvar(ctdb, 1, &list[i]);
- }
-
- talloc_free(list);
-
- return 0;
-}
-
-/*
- display debug level on a node
- */
-static int control_getdebug(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
- uint32_t level;
-
- ret = ctdb_ctrl_get_debuglevel(ctdb, options.vnn, &level);
- if (ret != 0) {
- printf("Unable to get debuglevel response from node %u\n",
- options.vnn);
- } else {
- printf("Node %u is at debug level %u\n", options.vnn, level);
- }
- return 0;
-}
-
-
-/*
- set debug level on a node or all nodes
- */
-static int control_setdebug(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
- uint32_t level;
-
- if (argc < 1) {
- usage();
- }
-
- level = strtoul(argv[0], NULL, 0);
-
- ret = ctdb_ctrl_set_debuglevel(ctdb, options.vnn, level);
- if (ret != 0) {
- printf("Unable to set debug level on node %u\n", options.vnn);
- }
- return 0;
-}
-
-
-/*
- freeze a node
- */
-static int control_freeze(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
-
- ret = ctdb_ctrl_freeze(ctdb, TIMELIMIT(), options.vnn);
- if (ret != 0) {
- printf("Unable to freeze node %u\n", options.vnn);
- }
- return 0;
-}
-
-/*
- thaw a node
- */
-static int control_thaw(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- int ret;
-
- ret = ctdb_ctrl_thaw(ctdb, TIMELIMIT(), options.vnn);
- if (ret != 0) {
- printf("Unable to thaw node %u\n", options.vnn);
- }
- return 0;
-}
-
-
-/*
- attach to a database
- */
-static int control_attach(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- const char *db_name;
- struct ctdb_db_context *ctdb_db;
-
- if (argc < 1) {
- usage();
- }
- db_name = argv[0];
-
- ctdb_db = ctdb_attach(ctdb, db_name);
- if (ctdb_db == NULL) {
- DEBUG(0,("Unable to attach to database '%s'\n", db_name));
- return -1;
- }
-
- return 0;
-}
-
-/*
- dump memory usage
- */
-static int control_dumpmemory(struct ctdb_context *ctdb, int argc, const char **argv)
-{
- return ctdb_control(ctdb, options.vnn, 0, CTDB_CONTROL_DUMP_MEMORY,
- CTDB_CTRL_FLAG_NOREPLY, tdb_null, NULL, NULL, NULL, NULL, NULL);
-}
-
-
-static const struct {
- const char *name;
- int (*fn)(struct ctdb_context *, int, const char **);
- bool auto_all;
- const char *msg;
- const char *args;
-} ctdb_commands[] = {
- { "status", control_status, true, "show node status" },
- { "ping", control_ping, true, "ping all nodes" },
- { "getvar", control_getvar, true, "get a tunable variable", "<name>"},
- { "setvar", control_setvar, true, "set a tunable variable", "<name> <value>"},
- { "listvars", control_listvars, true, "list tunable variables"},
- { "statistics", control_statistics, false, "show statistics" },
- { "statisticsreset", control_statistics_reset, true, "reset statistics"},
- { "ip", control_ip, true, "show which public ip's that ctdb manages" },
- { "process-exists", control_process_exists, true, "check if a process exists on a node", "<pid>"},
- { "getdbmap", control_getdbmap, true, "show the database map" },
- { "catdb", control_catdb, true, "dump a database" , "<dbname>"},
- { "getmonmode", control_getmonmode, true, "show monitoring mode" },
- { "setmonmode", control_setmonmode, true, "set monitoring mode", "<0|1>" },
- { "setdebug", control_setdebug, true, "set debug level", "<debuglevel>" },
- { "getdebug", control_getdebug, true, "get debug level" },
- { "attach", control_attach, true, "attach to a database", "<dbname>" },
- { "dumpmemory", control_dumpmemory, true, "dump memory map to logs" },
- { "getpid", control_getpid, true, "get ctdbd process ID" },
- { "disable", control_disable, true, "disable a nodes public IP" },
- { "enable", control_enable, true, "enable a nodes public IP" },
- { "ban", control_ban, true, "ban a node from the cluster", "<bantime|0>"},
- { "unban", control_unban, true, "unban a node from the cluster" },
- { "shutdown", control_shutdown, true, "shutdown ctdbd" },
- { "recover", control_recover, true, "force recovery" },
- { "freeze", control_freeze, true, "freeze all databases" },
- { "thaw", control_thaw, true, "thaw all databases" },
- { "killtcp", kill_tcp, false, "kill a tcp connection. Try <num> times.", "<srcip:port> <dstip:port> <num>" },
- { "tickle", tickle_tcp, false, "send a tcp tickle ack", "<srcip:port> <dstip:port>" },
-};
-
-/*
- show usage message
- */
-static void usage(void)
-{
- int i;
- printf(
-"Usage: ctdb [options] <control>\n" \
-"Options:\n" \
-" -n <node> choose node number, or 'all' (defaults to local node)\n"
-" -Y generate machinereadable output\n"
-" -t <timelimit> set timelimit for control in seconds (default %u)\n", options.timelimit);
- printf("Controls:\n");
- for (i=0;i<ARRAY_SIZE(ctdb_commands);i++) {
- printf(" %-15s %-27s %s\n",
- ctdb_commands[i].name,
- ctdb_commands[i].args?ctdb_commands[i].args:"",
- ctdb_commands[i].msg);
- }
- exit(1);
-}
-
-
-/*
- main program
-*/
-int main(int argc, const char *argv[])
-{
- struct ctdb_context *ctdb;
- char *nodestring = NULL;
- struct poptOption popt_options[] = {
- POPT_AUTOHELP
- POPT_CTDB_CMDLINE
- { "timelimit", 't', POPT_ARG_INT, &options.timelimit, 0, "timelimit", "integer" },
- { "node", 'n', POPT_ARG_STRING, &nodestring, 0, "node", "integer|all" },
- { "machinereadable", 'Y', POPT_ARG_NONE, &options.machinereadable, 0, "enable machinereadable output", NULL },
- POPT_TABLEEND
- };
- int opt;
- const char **extra_argv;
- int extra_argc = 0;
- int ret=-1, i;
- poptContext pc;
- struct event_context *ev;
- const char *control;
-
- /* set some defaults */
- options.timelimit = 3;
- options.vnn = CTDB_CURRENT_NODE;
-
- pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
-
- while ((opt = poptGetNextOpt(pc)) != -1) {
- switch (opt) {
- default:
- fprintf(stderr, "Invalid option %s: %s\n",
- poptBadOption(pc, 0), poptStrerror(opt));
- exit(1);
- }
- }
-
- /* setup the remaining options for the main program to use */
- extra_argv = poptGetArgs(pc);
- if (extra_argv) {
- extra_argv++;
- while (extra_argv[extra_argc]) extra_argc++;
- }
-
- if (extra_argc < 1) {
- usage();
- }
-
- /* setup the node number to contact */
- if (nodestring != NULL) {
- if (strcmp(nodestring, "all") == 0) {
- options.vnn = CTDB_BROADCAST_ALL;
- } else {
- options.vnn = strtoul(nodestring, NULL, 0);
- }
- }
-
- control = extra_argv[0];
-
- ev = s4_event_context_init(NULL);
-
- /* initialise ctdb */
- ctdb = ctdb_cmdline_client(ev);
- if (ctdb == NULL) {
- printf("Failed to init ctdb\n");
- exit(1);
- }
-
- for (i=0;i<ARRAY_SIZE(ctdb_commands);i++) {
- if (strcmp(control, ctdb_commands[i].name) == 0) {
- int j;
-
- if (options.vnn == CTDB_CURRENT_NODE) {
- options.vnn = ctdb_ctrl_getvnn(ctdb, TIMELIMIT(), options.vnn);
- }
-
- if (ctdb_commands[i].auto_all &&
- options.vnn == CTDB_BROADCAST_ALL) {
- uint32_t *nodes;
- uint32_t num_nodes;
- ret = 0;
-
- nodes = ctdb_get_connected_nodes(ctdb, TIMELIMIT(), ctdb, &num_nodes);
- CTDB_NO_MEMORY(ctdb, nodes);
-
- for (j=0;j<num_nodes;j++) {
- options.vnn = nodes[j];
- ret |= ctdb_commands[i].fn(ctdb, extra_argc-1, extra_argv+1);
- }
- talloc_free(nodes);
- } else {
- ret = ctdb_commands[i].fn(ctdb, extra_argc-1, extra_argv+1);
- }
- break;
- }
- }
-
- if (i == ARRAY_SIZE(ctdb_commands)) {
- printf("Unknown control '%s'\n", control);
- exit(1);
- }
-
- return ret;
-}
git.samba.org / gd / samba / .git / blobdiff