25 ноября 2020 г. Kafka docker-compose Docker In English

Простой healthcheck для Kafka под docker-compose

version: "2.1"

services:
  kafka:
    image: 'bitnami/kafka:latest'
    ports:
      - '9092:9092'
      - '9093:9093'
    environment:
      - KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181
      - ALLOW_PLAINTEXT_LISTENER=yes
      - KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP=CLIENT:PLAINTEXT,EXTERNAL:PLAINTEXT
      - KAFKA_CFG_LISTENERS=CLIENT://:9093,EXTERNAL://:9092
      - KAFKA_CFG_ADVERTISED_LISTENERS=CLIENT://kafka:9093,EXTERNAL://localhost:9092
      - KAFKA_INTER_BROKER_LISTENER_NAME=CLIENT
    depends_on:
      - zookeeper
    healthcheck:
      test: ["CMD-SHELL", "kafka-topics.sh --bootstrap-server 127.0.0.1:9092 --topic <TOPIC_NAME> --describe"]
      interval: 2s
      timeout: 2s
      retries: 15

  someservice:
    image: ...
    depends_on:
      kafka:
        condition: service_healthy
    links:
      - kafka
    command: ['...']