Elasticsearch Cluster - building es cluster with dockerpose in docker environment

Dull SF 2021-01-22 15:17:59
elasticsearch cluster building es cluster


1. To configure dockercompose The configuration file

version: '2'
services:
elasticsearch:
image: es/elasticsearch:7.7
container_name: es1
restart: always
dns_search: .
environment:
- bootstrap.memory_lock=true
- "ES_JAVA_OPTS=-Xms256m -Xmx256m"
ulimits:
memlock:
soft: -1
hard: -1
volumes:# data Index data storage path ,logs Log output ,config To configure
- /etc/timezone:/etc/timezone
- /etc/localtime:/etc/localtime
- ./es/data:/usr/share/elasticsearch/data
- ./es/logs:/usr/share/elasticsearch/logs
- ./elasticsearch/config:/usr/share/elasticsearch/config
ports:
- 9200:9200
- 9300:9300
external_links:
- es2 # Container name under the same machine ( To prevent the same machine from docker You can't pass between containers ip Communicate with each other )
- es3
tty: true
networks:
default:
external:
name: esnetwork # Under the same machine , All nodes need to be in the same network

2.eLasticSearch Configuration file modification

cluster.name: es-cluster
node.name: es-node1
network.bind_host: 0.0.0.0
network.publish_host: This machine ip Address
http.port: 9200
transport.tcp.port: 9300
http.cors.enabled: true
http.cors.allow-origin: "*"
## Let's talk about five behavior configurations X-pack Security
xpack.security.enabled: true
xpack.security.transport.ssl.enabled: true
xpack.security.transport.ssl.verification_mode: certificate
## Specify the certificate path
xpack.security.transport.ssl.keystore.path: elastic-certificates.p12
xpack.security.transport.ssl.truststore.path: elastic-certificates.p12
## Whether to participate in master Node election
node.master: true
## Store data or not
node.data: true
#discovery.seed_hosts: ["elasticsearch2:10293","elasticsearch1:10193"]
#cluster.initial_master_nodes: ["es-node0","es-node1","es-node2"]
## Specify all nodes and ports in the cluster ( The container name can be used to replace the machine in the same machine ip( The premise is that it needs to be in dockerCompose Add the container name of the node to the configuration ))
discovery.seed_hosts: ["141.3.186.01:9301","es2:9302","es3:9303"]
## Participate in master A collection of node names elected by a node
cluster.initial_master_nodes: ["es-node1","es-node2","es-node3"]

3. Other nodes can be configured according to this configuration , Attention should be paid to : Cluster names need to be consistent , Container name 、 The name of the node 、ip Address 、 Port number, etc .

After the configuration is completed, it will be started uniformly docker-compose Start command :

  • docker-compose up -d # start-up
  • docker-compose restart # restart

You can visit the following path to see if it is built successfully :

http://141.3.186.01:9200/_cat/nodes?v&pretty

image.png
As shown in the figure, all nodes are configured successfully

4. Have a problem

1. If the cluster is missing a few ( Incomplete display nodes )
resolvent : Close all nodes , Delete all nodes logs Under the log file , Then restart all nodes .( Try a few more times )

5. About X-pack Please refer to the following document for configuration

ES--es7.6.1 Open security certification process

版权声明
本文为[Dull SF]所创,转载请带上原文链接,感谢
https://javamana.com/2021/01/20210122151710705d.html

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