Function clusterManagerGetNodeRedisInfo

app/redis-6.2.6/src/redis-cli.c:2922–2937

Call "INFO" redis command on the specified node and return the reply. */

/* Call "INFO" redis command on the specified node and return the reply. */
static redisReply *clusterManagerGetNodeRedisInfo(clusterManagerNode *node,
                                                  char **err)
{
    redisReply *info = CLUSTER_MANAGER_COMMAND(node, "INFO");
    if (err != NULL) *err = NULL;
    if (info == NULL) return NULL;
    if (info->type == REDIS_REPLY_ERROR) {
        if (err != NULL) {
            *err = zmalloc((info->len + 1) * sizeof(char));
            strcpy(*err, info->str);
        }
        freeReplyObject(info);
        return  NULL;
    }
    return info;
}

static int clusterManagerNodeIsCluster(clusterManagerNode *node, char **err) {
    redisReply *info = clusterManagerGetNodeRedisInfo(node, err);