Function sentinelCommand

app/redis-6.2.6/src/sentinel.c:3524–3893

}

void sentinelCommand(client *c) {
    if (c->argc == 2 && !strcasecmp(c->argv[1]->ptr,"help")) {
        const char *help[] = {
"CKQUORUM <master-name>",
"    Check if the current Sentinel configuration is able to reach the quorum",
"    needed to failover a master and the majority needed to authorize the",
"    failover.",
"CONFIG SET <param> <value>",
"    Set a global Sentinel configuration parameter.",
"CONFIG GET <param>",
"    Get global Sentinel configuration parameter.",
"GET-MASTER-ADDR-BY-NAME <master-name>",
"    Return the ip and port number of the master with that name.",
"FAILOVER <master-name>",
"    Manually failover a master node without asking for agreement from other",
"    Sentinels",
"FLUSHCONFIG",
"    Force Sentinel to rewrite its configuration on disk, including the current",
"    Sentinel state.",
"INFO-CACHE <master-name>",
"    Return last cached INFO output from masters and all its replicas.",
"IS-MASTER-DOWN-BY-ADDR <ip> <port> <current-epoch> <runid>",
"    Check if the master specified by ip:port is down from current Sentinel's",
"    point of view.",
"MASTER <master-name>",
"    Show the state and info of the specified master.",
"MASTERS",
"    Show a list of monitored masters and their state.",
"MONITOR <name> <ip> <port> <quorum>",
"    Start monitoring a new master with the specified name, ip, port and quorum.",
"MYID",
"    Return the ID of the Sentinel instance.",
"PENDING-SCRIPTS",
"    Get pending scripts information.",
"REMOVE <master-name>",
"    Remove master from Sentinel's monitor list.",
"REPLICAS <master-name>",
"    Show a list of replicas for this master and their state.",
"RESET <pattern>",
"    Reset masters for specific master name matching this pattern.",
"SENTINELS <master-name>",
"    Show a list of Sentinel instances for this master and their state.",
"SET <master-name> <option> <value>",
"    Set configuration paramters for certain masters.",
"SIMULATE-FAILURE (CRASH-AFTER-ELECTION|CRASH-AFTER-PROMOTION|HELP)",
"    Simulate a Sentinel crash.",
NULL
        };
        addReplyHelp(c, help);
    } else if (!strcasecmp(c->argv[1]->ptr,"masters")) {
        /* SENTINEL MASTERS */
        if (c->argc != 2) goto numargserr;
        addReplyDictOfRedisInstances(c,sentinel.masters);
    } else if (!strcasecmp(c->argv[1]->ptr,"master")) {
        /* SENTINEL MASTER <name> */
        sentinelRedisInstance *ri;

        if (c->argc != 3) goto numargserr;