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Elasticsearch安装

部署单点ES

创建网络

bash
docker network create es-net

运行elasticsearch

bash
docker run -d \
    --name es \
    -e "ES_JAVA_OPTS=-Xms512m -Xmx512m" \
    -e "discovery.type=single-node" \
    -v es-data:/usr/share/elasticsearch/data \
    -v es-plugins:/usr/share/elasticsearch/plugins \
    --privileged \
    --network es-net \
    -p 9200:9200 \
    -p 9300:9300 \
elasticsearch:7.12.1

命令解释:

  • -e "cluster.name=es-docker-cluster":设置集群名称
  • -e "http.host=0.0.0.0":监听的地址,可以外网访问
  • -e "ES_JAVA_OPTS=-Xms512m -Xmx512m":内存大小
  • -e "discovery.type=single-node":非集群模式
  • -v es-data:/usr/share/elasticsearch/data:挂载逻辑卷,绑定es的数据目录
  • -v es-logs:/usr/share/elasticsearch/logs:挂载逻辑卷,绑定es的日志目录
  • -v es-plugins:/usr/share/elasticsearch/plugins:挂载逻辑卷,绑定es的插件目录
  • --privileged:授予逻辑卷访问权
  • --network es-net :加入一个名为es-net的网络中
  • -p 9200:9200:端口映射配置

在浏览器中输入:http://127.0.0.1:9200 即可看到elasticsearch的响应结果:

json
{
    "name": "90a69a0a8682",
    "cluster_name": "docker-cluster",
    "cluster_uuid": "z6oxeB4KQqSfjrekyccT9w",
    "version": {
        "number": "7.12.1",
        "build_flavor": "default",
        "build_type": "docker",
        "build_hash": "3186837139b9c6b6d23c3200870651f10d3343b7",
        "build_date": "2021-04-20T20:56:39.040728659Z",
        "build_snapshot": false,
        "lucene_version": "8.8.0",
        "minimum_wire_compatibility_version": "6.8.0",
        "minimum_index_compatibility_version": "6.0.0-beta1"
    },
    "tagline": "You Know, for Search"
}

部署kibana

kibana可以给我们提供一个elasticsearch的可视化界面,便于我们学习。

运行docker命令,部署kibana

bash
docker run -d \
    --name kibana \
    -e ELASTICSEARCH_HOSTS=http://es:9200 \
    --network=es-net \
    -p 5601:5601  \
    kibana:7.12.1
  • --network es-net :加入一个名为es-net的网络中,与elasticsearch在同一个网络中
  • -e ELASTICSEARCH_HOSTS=http://es:9200":设置elasticsearch的地址,因为kibana已经与elasticsearch在一个网络,因此可以用容器名直接访问elasticsearch
  • -p 5601:5601:端口映射配置

kibana启动一般比较慢,需要多等待一会,可以通过命令:

sh
docker logs -f kibana

此时,在浏览器输入地址访问:http://127.0.0.1:5601

选择 Explore on my own -> Dev tools

发送请求

bash
GET /

返回结果

json
{
  "name" : "90a69a0a8682",
  "cluster_name" : "docker-cluster",
  "cluster_uuid" : "z6oxeB4KQqSfjrekyccT9w",
  "version" : {
    "number" : "7.12.1",
    "build_flavor" : "default",
    "build_type" : "docker",
    "build_hash" : "3186837139b9c6b6d23c3200870651f10d3343b7",
    "build_date" : "2021-04-20T20:56:39.040728659Z",
    "build_snapshot" : false,
    "lucene_version" : "8.8.0",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
}