docker-compose搭建zookeeper集群
2019-06-24 13:57
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配置参考:https://docs.docker.com/compose/compose-file/
https://hub.docker.com/_/zookeeper/
1. 环境准备
[code][root@localhost usr]# docker version Client: Version: 18.09.6 API version: 1.39 Go version: go1.10.8 Git commit: 481bc77156 Built: Sat May 4 02:34:58 2019 OS/Arch: linux/amd64 Experimental: false Server: Docker Engine - Community Engine: Version: 18.09.6 API version: 1.39 (minimum version 1.12) Go version: go1.10.8 Git commit: 481bc77 Built: Sat May 4 02:02:43 2019 OS/Arch: linux/amd64 Experimental: false [root@localhost usr]# docker-compose -version docker-compose version 1.25.0-rc1, build 8552e8e2 [root@localhost usr]#
2. 创建项目目录
/apps/usr/zookeeper --zookeeper 集群配置、数据均在该目录下
3. 编写docker-compose.yml 文件
[code][root@localhost zookeeper]# more docker-compose.yml version: '3.7' services: zoo1: image: zookeeper restart: always hostname: zoo1 container_name: zookeeper_1 #domainname: ports: - 2181:2181 volumes: - /apps/usr/zookeeper/zoo1/data:/data - /apps/usr/zookeeper/zoo1/datalog:/datalog environment: ZOO_MY_ID: 1 ZOO_SERVERS: server.1=zoo1:2888:3888;2181 server.2=zoo2:2888:3888;2181 server.3=zoo3:2888:3888;2181 zoo2: image: zookeeper restart: always hostname: zoo2 container_name: zookeeper_2 ports: - 2182:2181 volumes: - /apps/usr/zookeeper/zoo2/data:/data - /apps/usr/zookeeper/zoo2/datalog:/datalog environment: ZOO_MY_ID: 2 ZOO_SERVERS: server.1=zoo1:2888:3888;2181 server.2=zoo2:2888:3888;2181 server.3=zoo3:2888:3888;2181 zoo3: image: zookeeper restart: always hostname: zoo3 container_name: zookeeper_3 ports: - 2183:2181 volumes: - /apps/usr/zookeeper/zoo3/data:/data - /apps/usr/zookeeper/zoo3/datalog:/datalog environment: ZOO_MY_ID: 3 ZOO_SERVERS: server.1=zoo1:2888:3888;2181 server.2=zoo2:2888:3888;2181 server.3=zoo3:2888:3888;2181
[code]// 校验配置文件,不打印 $ docker-compose -f zookeeper-compose.yml config -q
注意:如若需指定配置文件,必须在
docker-compose后面指定,不能在
config等子命令后面指定,否则无效;如果你使用默认配置文件名称,不需要显式指定
-f docker-compose.yml
启动zookeeper集群
[code]// -d 后台启动 [root@localhost zookeeper]# pwd /apps/usr/zookeeper [root@localhost zookeeper]# docker-compose -f docker-compose.yml up -d Creating network "zookeeper_default" with the default driver Creating zookeeper_2 ... done Creating zookeeper_1 ... done Creating zookeeper_3 ... done
查看容器启动情况
[code][root@localhost zookeeper]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 423084bde76d zookeeper "/docker-entrypoint.…" 8 seconds ago Up 6 seconds 2888/tcp, 3888/tcp, 8080/tcp, 0.0.0.0:2183->2181/tcp zookeeper_3 6d8ae165a370 zookeeper "/docker-entrypoint.…" 8 seconds ago Up 6 seconds 2888/tcp, 3888/tcp, 8080/tcp, 0.0.0.0:2182->2181/tcp zookeeper_2 f21f07d40204 zookeeper "/docker-entrypoint.…" 8 seconds ago Up 6 seconds 2888/tcp, 3888/tcp, 0.0.0.0:2181->2181/tcp, 8080/tcp zookeeper_1
查看zookeeper集群状态
[code][root@localhost zookeeper]# docker exec -it zookeeper_1 /bin/sh # zkServ.sh status /bin/sh: 1: zkServ.sh: not found # ^[[A^[[B^H^C # zkServer.sh status ZooKeeper JMX enabled by default Using config: /conf/zoo.cfg Client port found: 2181. Client address: localhost. Mode: leader # exit [root@localhost zookeeper]# docker exec -it zookeeper_2 /bin/sh # zkServer.sh status ZooKeeper JMX enabled by default Using config: /conf/zoo.cfg Client port found: 2181. Client address: localhost. Mode: follower # exit [root@localhost zookeeper]# docker exec -it zookeeper_3 /bin/sh # zkServer.sh status ZooKeeper JMX enabled by default Using config: /conf/zoo.cfg Client port found: 2181. Client address: localhost. Mode: follower # exit
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