1. 下载镜像(启动kafka前需安装zookeeper环境)

  1. docker pull wurstmeister/kafka

2. 启动kafka镜像生成容器

  1. docker run -d --name kafka -p 9092:9092 -e KAFKA_BROKER_ID=0 -e KAFKA_ZOOKEEPER_CONNECT=192.168.155.56:2181/kafka -e KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://192.168.155.56:9092 -e KAFKA_LISTENERS=PLAINTEXT://0.0.0.0:9092 -v /etc/localtime:/etc/localtime wurstmeister/kafka

参数解释:

  • -e KAFKA_BROKER_ID=0 在kafka集群中,每个kafka都有一个BROKER_ID来区分自己
  • -e KAFKA_ZOOKEEPER_CONNECT=192.168.155.56:2181/kafka 配置zookeeper管理kafka的路径192.168.155.56:2181/kafka
  • -e KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://192.168.155.56:9092 把kafka的地址端口注册给zookeeper
  • -e KAFKA_LISTENERS=PLAINTEXT://0.0.0.0:9092 配置kafka的监听端口
  • -v /etc/localtime:/etc/localtime 容器时间同步虚拟机的时间

    3. 验证kafka正常使用

    3.1 进入容器

    1. docker exec -it kafka /bin/sh
  • 进入路径/opt/kafka_2.11-2.0.0/bin

    1. cd /opt/kafka_2.11-2.0.0/bin

    3.2 运行kafka生产者发送消息

    ```shell ./kafka-console-producer.sh —broker-list localhost:9092 —topic sun

消息:

{“datas”:[{“channel”:””,”metric”:”temperature”,”producer”:”ijinus”,”sn”:”IJA0101-00002245”,”time”:”1543207156000”,”value”:”80”}],”ver”:”1.0”}

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  2. #### 3.3 运行kafka消费者接收消息
  3. ```shell
  4. kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic sun --from-beginning