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author | Wen Hui <wen.hui.ware@gmail.com> | 2020-08-08 15:28:44 -0400 |
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committer | GitHub <noreply@github.com> | 2020-08-08 12:28:44 -0700 |
commit | ca95b71f67f72e41b05dc155ae015f1ad1f16b4c (patch) | |
tree | 701ac3de21fb2d24e9618658a408e67b57bb7c28 | |
parent | 6dcc6898beaadac39a8eb758cbf27e2aa5386831 (diff) | |
download | redis-ca95b71f67f72e41b05dc155ae015f1ad1f16b4c.tar.gz |
add sentinel command help (#7579)
-rw-r--r-- | src/sentinel.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/src/sentinel.c b/src/sentinel.c index 5bd594955..d93b26131 100644 --- a/src/sentinel.c +++ b/src/sentinel.c @@ -3044,7 +3044,30 @@ int sentinelIsQuorumReachable(sentinelRedisInstance *master, int *usableptr) { } void sentinelCommand(client *c) { - if (!strcasecmp(c->argv[1]->ptr,"masters")) { + if (c->argc == 2 && !strcasecmp(c->argv[1]->ptr,"help")) { + const char *help[] = { +"MASTERS -- Show a list of monitored masters and their state.", +"MASTER <master-name> -- Show the state and info of the specified master.", +"REPLICAS <master-name> -- Show a list of replicas for this master and their state.", +"SENTINELS <master-name> -- Show a list of Sentinel instances for this master and their state.", +"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.", +"GET-MASTER-ADDR-BY-NAME <master-name> -- Return the ip and port number of the master with that name.", +"RESET <pattern> -- Reset masters for specific master name matching this pattern.", +"FAILOVER <master-name> -- Manually failover a master node without asking for agreement from other Sentinels", +"PENDING-SCRIPTS -- Get pending scripts information.", +"MONITOR <name> <ip> <port> <quorum> -- Start monitoring a new master with the specified name, ip, port and quorum.", +"FLUSHCONFIG -- Force Sentinel to rewrite its configuration on disk, including the current Sentinel state.", +"REMOVE <master-name> -- Remove master from Sentinel's monitor list.", +"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.", +"SET <master-name> <option> <value> -- Set configuration paramters for certain masters.", +"INFO-CACHE <master-name> -- Return last cached INFO output from masters and all its replicas.", +"SIMULATE-FAILURE (crash-after-election|crash-after-promotion|help) -- Simulate a Sentinel crash.", +"HELP -- Prints this help.", +NULL + }; + addReplyHelp(c, help); + } else if (!strcasecmp(c->argv[1]->ptr,"masters")) { /* SENTINEL MASTERS */ if (c->argc != 2) goto numargserr; addReplyDictOfRedisInstances(c,sentinel.masters); @@ -3353,8 +3376,7 @@ void sentinelCommand(client *c) { } addReply(c,shared.ok); } else { - addReplyErrorFormat(c,"Unknown sentinel subcommand '%s'", - (char*)c->argv[1]->ptr); + addReplySubcommandSyntaxError(c); } return; |