我有使用 Fargate 和 ElastiCache Redis 实例管理的 ECS 容器。ECS 和 Redis 都部署在私有 VPC 中。我想要的是从 ECS 容器连接到 Redis。所有子网和安全组似乎都配置正确，在发送 auth 命令后有“就绪”事件，但是所有其他命令（例如信息）永远挂起。ioredis这是在容器中运行的代码（Node.js with ）：
const client = new IoRedis(process.env.REDIS_URL, {
connectTimeout: 5000,
enableOfflineQueue: false,
enableReadyCheck: false,
});
setInterval(() => {
client
.info()
.then(info => {
console.log('info received', info);
})
.catch(err => {
console.error('error received', err);
});
}, 5000);
日志输出为：
12:14:00
{"name":"app","hostname":"ip-10-0-103-126.us-east-2.compute.internal","pid":1,"appName":"api","level":30,"msg":"Server listening on 5000","time":"2019-04-03T12:14:00.176Z","v":0}
12:14:00
2019-04-03T12:14:00.181Z ioredis:redis status[master.ab-cache.hp48ph.use2.cache.amazonaws.com:6379]: [empty] -> connecting
12:14:00
2019-04-03T12:14:00.263Z ioredis:redis status[10.0.31.100:6379]: connecting -> connect
12:14:00
2019-04-03T12:14:00.264Z ioredis:redis write command[10.0.31.100:6379]: 0 -> auth([ '**************************************************' ])
12:14:00
2019-04-03T12:14:00.265Z ioredis:redis status[10.0.31.100:6379]: connect -> ready
12:14:05
2019-04-03T12:14:05.185Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:14:10
2019-04-03T12:14:10.184Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:14:15
2019-04-03T12:14:15.190Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:14:20
2019-04-03T12:14:20.194Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:14:25
2019-04-03T12:14:25.195Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:14:30
2019-04-03T12:14:30.197Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:14:35
2019-04-03T12:14:35.200Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:14:40
2019-04-03T12:14:40.200Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:14:45
2019-04-03T12:14:45.202Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:14:50
2019-04-03T12:14:50.202Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:14:55
2019-04-03T12:14:55.203Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:15:00
2019-04-03T12:15:00.204Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:15:05
2019-04-03T12:15:05.205Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:15:10
2019-04-03T12:15:10.204Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:15:15
2019-04-03T12:15:15.205Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:15:20
2019-04-03T12:15:20.206Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:15:25
2019-04-03T12:15:25.206Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:15:30
2019-04-03T12:15:30.208Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:15:35
2019-04-03T12:15:35.207Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:15:40
2019-04-03T12:15:40.207Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
12:15:45
2019-04-03T12:15:45.207Z ioredis:redis write command[10.0.31.100:6379]: 0 -> info([])
上面的行来自 IoRedis 调试信息。似乎它正确连接并进行了身份验证，但进一步的命令永远挂起，永远不会返回响应（既不是成功也不是错误）。这里可能有什么问题？
还使用打包的“redis”（而不是“ioredis”）对其进行了测试：
console.log('creating redis client'); // tslint:disable-line
const redisClient = redis.createClient(redisConfig.url, {
connect_timeout: 5000,
enable_offline_queue: false,
no_ready_check: true,
});
redisClient.on('error', err => {
console.error('redis error', err); // tslint:disable-line
});
setInterval(() => {
console.log('sending redis command'); // tslint:disable-line
redisClient.info((err, result) => {
console.log('redis response', { err, result }); // tslint:disable-line
});
}, 10000);
同样的问题 - 命令回调永远不会被调用：
