Docker 部署的一个问题,求大神解惑 - V2EX
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ilaipi
V2EX    Docker

Docker 部署的一个问题,求大神解惑

  •  
  •   ilaipi
    ilaipi 2020-01-12 16:38:27 +08:00 5386 次点击
    这是一个创建于 2097 天前的主题,其中的信息可能已经有所发展或是发生改变。

    问题是这样的,

    我在服务器上跑了一个 Kafka,是跑的 wurstmeister/kafka 镜像,使用的默认网络。配置:

    kafka: image: wurstmeister/kafka container_name: kafka environment: - KAFKA_ADVERTISED_PORT=port - KAFKA_ADVERTISED_HOST_NAME=公网 ip - KAFKA_ZOOKEEPER_COnNECT=本机内网 ip:zookeeper port - KAFKA_LOG_RETENTION_HOURS=4 - KAFKA_LOG_RETENTION_BYTES=1000000000 ports: - port:9092 

    然后在同一台服务器,使用 docker run 命令,启动了另外一个容器,使用的是 node-alpine 镜像,内部通过 kafka-node 库连接 kafka,怎么都连不上。

    启动 node 容器后,进入容器,telnet 命令可以连上 Kafka 容器的端口。

    在本机,不在容器内部,同一个连接(公网 ip:port )可以正常连上 Kafka。

    我在本机装了 Conduktor 这个 Kafka 客户端,也能连上 Kafka,可以正常收发消息。

    有什么思路吗?谢谢!

    启动 kafka,然后启动 node,看 node 镜像的日志就会卡住。然后 stop Kafka,node 这边就会报错:

    events.js:174 throw er; // Unhandled 'error' event ^ NestedError: refreshBrokerMetadata failed at async.waterfall (/app/node_modules/daoqun-core/node_modules/kafka-node/lib/kafkaClient.js:378:35) at /app/node_modules/daoqun-core/node_modules/kafka-node/node_modules/async/dist/async.js:473:16 at next (/app/node_modules/daoqun-core/node_modules/kafka-node/node_modules/async/dist/async.js:5329:29) at /app/node_modules/daoqun-core/node_modules/kafka-node/node_modules/async/dist/async.js:969:16 at KafkaClient.getAvailableBroker (/app/node_modules/daoqun-core/node_modules/kafka-node/lib/kafkaClient.js:330:12) at async.waterfall.callback (/app/node_modules/daoqun-core/node_modules/kafka-node/lib/kafkaClient.js:373:23) at nextTask (/app/node_modules/daoqun-core/node_modules/kafka-node/node_modules/async/dist/async.js:5324:14) at Object.waterfall (/app/node_modules/daoqun-core/node_modules/kafka-node/node_modules/async/dist/async.js:5334:5) at KafkaClient.refreshBrokerMetadata (/app/node_modules/daoqun-core/node_modules/kafka-node/lib/kafkaClient.js:372:9) at Immediate._onImmediate (/app/node_modules/daoqun-core/node_modules/kafka-node/lib/kafkaClient.js:782:20) at runCallback (timers.js:705:18) at tryOnImmediate (timers.js:676:5) at processImmediate (timers.js:658:5) Caused By: Error: Unable to find available brokers to try at KafkaClient.getAvailableBroker (/app/node_modules/daoqun-core/node_modules/kafka-node/lib/kafkaClient.js:330:21) at async.waterfall.callback (/app/node_modules/daoqun-core/node_modules/kafka-node/lib/kafkaClient.js:373:23) at nextTask (/app/node_modules/daoqun-core/node_modules/kafka-node/node_modules/async/dist/async.js:5324:14) at Object.waterfall (/app/node_modules/daoqun-core/node_modules/kafka-node/node_modules/async/dist/async.js:5334:5) at KafkaClient.refreshBrokerMetadata (/app/node_modules/daoqun-core/node_modules/kafka-node/lib/kafkaClient.js:372:9) at Immediate._onImmediate (/app/node_modules/daoqun-core/node_modules/kafka-node/lib/kafkaClient.js:782:20) at runCallback (timers.js:705:18) at tryOnImmediate (timers.js:676:5) at processImmediate (timers.js:658:5) Emitted 'error' event at: at KafkaClient.<anonymous> (/app/node_modules/daoqun-core/node_modules/kafka-node/lib/baseProducer.js:101:10) at KafkaClient.emit (events.js:198:13) at async.waterfall (/app/node_modules/daoqun-core/node_modules/kafka-node/lib/kafkaClient.js:378:21) at /app/node_modules/daoqun-core/node_modules/kafka-node/node_modules/async/dist/async.js:473:16 [... lines matching original stack trace ...] at KafkaClient.refreshBrokerMetadata (/app/node_modules/daoqun-core/node_modules/kafka-node/lib/kafkaClient.js:372:9) at Immediate.<anonymous> (/app/node_modules/daoqun-core/node_modules/kafka-node/lib/kafkaClient.js:782:20) at runCallback (timers.js:705:18) at tryOnImmediate (timers.js:676:5) at processImmediate (timers.js:658:5) 
    7 条回复    2020-01-15 18:15:48 +08:00
    Xbluer
        1
    Xbluer  
       2020-01-12 16:46:08 +08:00
    docker run 启动 node-alpine 的时候添加这个参数 --link=kafka
    Maco
        2
    Maco  
       2020-01-12 17:07:38 +08:00
    把 Kafka 和 node 写在一个 docker-compose 中,使用一个网络,node 连接使用 container_name: kafka+端口连接。
    Maco
        3
    Maco  
       2020-01-12 17:09:06 +08:00
    根据你的描述,最大的可能就是 node 和 kafka 不在一个网络中
    ilaipi
        4
    ilaipi  
    OP
       2020-01-12 17:09:13 +08:00
    @Xbluer #1 谢谢~我试了加了 link,启动命令改成:
    docker run --env-file .env --env NODE_REPO=mr -p 11111:11111 -dit --restart always --name=mr_dev --link=kafka:kafka --net middleware_default mr:0.0.1

    然后连接地址是 kafka:9092

    还是一样的反应。我进入 node 容器,telnet kafka 9092 也是能通..

    无奈了
    ilaipi
        5
    ilaipi  
    OP
       2020-01-12 19:05:57 +08:00
    @Maco #3 我也怀疑是网络问题,但是明明在 node 容器里都能 telnet kafka 端口。。。搞了两天了,唉
    ilaipi
        6
    ilaipi  
    OP
       2020-01-12 19:34:03 +08:00
    抱歉了,程序是启动成功了。。

    只是程序启动成功打的一句日志,记到日志文件里,所以 docker logs 命令看不到,我一直以为是卡住了。。。。



    两天时间啊。。。
    julyclyde
        7
    julyclyde  
       2020-01-15 18:15:48 +08:00
    @ilaipi 你为什么不让它出错退出呢?
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