elasticsearch怎么在docker多容器中互相复制数据

本篇内容介绍了“elasticsearch怎么在docker多容器中互相复制数据”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！

首先上docker-compose.yaml

version: '2'
services:
  esdev:
    image: elasticsearch:7.12.0
    container_name: esdev
    environment:
      - "discovery.type=single-node"
      - "ES_JAVA_OPTS=-Xmx256m -Xms256m"
      - "reindex.remote.whitelist=estest:*"
    volumes:
      - /opt/docker/elasticsearch/dev/data:/usr/share/elasticsearch/data:rw
      - /opt/docker/elasticsearch/plugins:/usr/share/elasticsearch/plugins
      - /opt/docker/elasticsearch/dev/logs:/usr/share/elasticsearch/logs
    ports:
      - "9200:9200"
    networks:
      - mynet
  estest:
    image: elasticsearch:7.12.0
    container_name: estest
    environment:
      - "discovery.type=single-node"
      - "ES_JAVA_OPTS=-Xmx256m -Xms256m"
      - "reindex.remote.whitelist=esdev:*"
    volumes:
      - /opt/docker/elasticsearch/test/data:/usr/share/elasticsearch/data:rw
      - /opt/docker/elasticsearch/plugins:/usr/share/elasticsearch/plugins
      - /opt/docker/elasticsearch/test/logs:/usr/share/elasticsearch/logs
    ports:
      - "9201:9200"
    networks:
      - mynet
networks:
  mynet:
    external: true

首先让他们在同一个网络中，然后互相加入白名单whitelist（这里配置的host是容器内的地址，即服务名即可）

启动容器

docker-compose up -d

最后就是复制语句了，这里是从estest，复制到esdev中

curl -X POST "http://localhost:9200/_reindex?pretty" -H 'Content-Type: application/json' -d'
{
  "source": {
    "remote": {
      "host": "http://estest:9200"
    },
    "index": "search"
  },
  "dest": {
    "index": "search"
  }
}
'

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