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Sentinel: INFO command implementation.

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1 parent 8246e58 commit 58186b9dcf88cd2132ac0ff4bd3a12304819cc4e @antirez committed Aug 29, 2012
Showing with 62 additions and 1 deletion.
  1. +62 −1 src/sentinel.c
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63 src/sentinel.c
@@ -366,14 +366,16 @@ dictType leaderVotesDictType = {
/* =========================== Initialization =============================== */
void sentinelCommand(redisClient *c);
+void sentinelInfoCommand(redisClient *c);
struct redisCommand sentinelcmds[] = {
{"ping",pingCommand,1,"",0,NULL,0,0,0,0,0},
{"sentinel",sentinelCommand,-2,"",0,NULL,0,0,0,0,0},
{"subscribe",subscribeCommand,-2,"",0,NULL,0,0,0,0,0},
{"unsubscribe",unsubscribeCommand,-1,"",0,NULL,0,0,0,0,0},
{"psubscribe",psubscribeCommand,-2,"",0,NULL,0,0,0,0,0},
- {"punsubscribe",punsubscribeCommand,-1,"",0,NULL,0,0,0,0,0}
+ {"punsubscribe",punsubscribeCommand,-1,"",0,NULL,0,0,0,0,0},
+ {"info",sentinelInfoCommand,-1,"",0,NULL,0,0,0,0,0}
};
/* This function overwrites a few normal Redis config default with Sentinel
@@ -2046,6 +2048,65 @@ void sentinelCommand(redisClient *c) {
(char*)c->argv[1]->ptr);
}
+void sentinelInfoCommand(redisClient *c) {
+ char *section = c->argc == 2 ? c->argv[1]->ptr : "default";
+ sds info = sdsempty();
+ int defsections = !strcasecmp(section,"default");
+ int sections = 0;
+
+ if (c->argc > 2) {
+ addReply(c,shared.syntaxerr);
+ return;
+ }
+
+ if (!strcasecmp(section,"server") || defsections) {
+ if (sections++) info = sdscat(info,"\r\n");
+ sds serversection = genRedisInfoString("server");
+ info = sdscatlen(info,serversection,sdslen(serversection));
+ sdsfree(serversection);
+ }
+
+ if (!strcasecmp(section,"sentinel") || defsections) {
+ dictIterator *di;
+ dictEntry *de;
+ int master_id = 0;
+
+ if (sections++) info = sdscat(info,"\r\n");
+ info = sdscatprintf(info,
+ "# Sentinel\r\n"
+ "sentinel_masters:%lu\r\n"
+ "sentinel_tilt:%d\r\n"
+ "sentinel_running_scripts:%d\r\n"
+ "sentinel_scripts_queue_length:%ld\r\n",
+ dictSize(sentinel.masters),
+ sentinel.tilt,
+ sentinel.running_scripts,
+ listLength(sentinel.scripts_queue));
+
+ di = dictGetIterator(sentinel.masters);
+ while((de = dictNext(di)) != NULL) {
+ sentinelRedisInstance *ri = dictGetVal(de);
+ char *status = "ok";
+
+ if (ri->flags & SRI_O_DOWN) status = "odown";
+ else if (ri->flags & SRI_S_DOWN) status = "sdown";
+ info = sdscatprintf(info,
+ "master%d:name=%s,status=%s,address=%s:%d,"
+ "slaves=%lu,sentinels=%lu\r\n",
+ master_id++, ri->name, status,
+ ri->addr->ip, ri->addr->port,
+ dictSize(ri->slaves),
+ dictSize(ri->sentinels)+1);
+ }
+ dictReleaseIterator(di);
+ }
+
+ addReplySds(c,sdscatprintf(sdsempty(),"$%lu\r\n",
+ (unsigned long)sdslen(info)));
+ addReplySds(c,info);
+ addReply(c,shared.crlf);
+}
+
/* ===================== SENTINEL availability checks ======================= */
/* Is this instance down from our point of view? */

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