下载docker compose
新建docker compose.yml
拉取zookeeper镜像(直接docker pull zookeeper),通过docker compose启动镜像后修改第一个zoo1容器的/conf/zoo.cfg,echo "clientPort=2181" >> zoo.cfg 写入zoo.cfg(官网拉写来的zoo.cfg没有这个配置项,启动会报错),然后将这个zoo1容器变为镜像 docker commit contianer_id zhangyang:zk_with_clientPort
修改docker compose.yml,image: zhangyang:zk_with_clientPort
重启docker compose
注意:下面COMPOSE_PROJECT_NAME=zk_test是给设置一个名字
COMPOSE_PROJECT_NAME=zk_test docker-compose up
COMPOSE_PROJECT_NAME=zk_test docker-compose ps
COMPOSE_PROJECT_NAME=zk_test docker-compose down
COMPOSE_PROJECT_NAME=zk_test docker-compose config 查看配置
docker exec -it zoo1 /bin/bash 登陆zk容器
/bin/zkServer.sh status 查看集群状态
docker exec -it zoo2 /bin/bash 登陆zk容器
/bin/zkServer.sh status 查看集群状态
docker exec -it zoo3 /bin/bash 登陆zk容器
/bin/zkServer.sh status 查看集群状态
1.安装下载 docker compose
https://docs.docker.com/compose/install/
sudo curl -L "https://github.com/docker/compose/releases/download/1.26.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
2.拉取zookeeper镜像 docker pull zookeeper
3.新建docker-compose.yml
version: '2'
services:
zoo1:
image: zookeeper
restart: always
container_name: zoo1
ports:
- "2181:2181"
environment:
ZOO_MY_ID: 1
ZOO_SERVERS: server.1=zoo1:2888:3888 server.2=zoo2:2888:3888 server.3=zoo3:2888:3888
zoo2:
image: zookeeper
restart: always
container_name: zoo2
ports:
- "2182:2181"
environment:
ZOO_MY_ID: 2
ZOO_SERVERS: server.1=zoo1:2888:3888 server.2=zoo2:2888:3888 server.3=zoo3:2888:3888
zoo3:
image: zookeeper
restart: always
container_name: zoo3
ports:
- "2183:2181"
environment:
ZOO_MY_ID: 3
ZOO_SERVERS: server.1=zoo1:2888:3888 server.2=zoo2:2888:3888 server.3=zoo3:2888:3888
3.启动docker compose(根据配置文件创建3个docker容器)
COMPOSE_PROJECT_NAME=zk_test docker-compose up -d
version: '2'
services:
zoo1:
image: zhangyang:zk_with_clientPort
restart: always
container_name: zoo1
ports:
- "2181:2181"
environment:
ZOO_MY_ID: 1
ZOO_SERVERS: server.1=zoo1:2888:3888 server.2=zoo2:2888:3888 server.3=zoo3:2888:3888
zoo2:
image: zhangyang:zk_with_clientPort
restart: always
container_name: zoo2
ports:
- "2182:2181"
environment:
ZOO_MY_ID: 2
ZOO_SERVERS: server.1=zoo1:2888:3888 server.2=zoo2:2888:3888 server.3=zoo3:2888:3888
zoo3:
image: zhangyang:zk_with_clientPort
restart: always
container_name: zoo3
ports:
- "2183:2181"
environment:
ZOO_MY_ID: 3
ZOO_SERVERS: server.1=zoo1:2888:3888 server.2=zoo2:2888:3888 server.3=zoo3:2888:3888
4.查看状态
COMPOSE_PROJECT_NAME=zk_test docker-compose ps
docker ps -a
5.登陆docker容器查看zk状态
docker exec -it zoo1 /bin/bash 登陆zk容器
/bin/zkServer.sh status 查看集群状态
docker exec -it zoo2 /bin/bash 登陆zk容器
/bin/zkServer.sh status 查看集群状态
docker exec -it zoo3 /bin/bash 登陆zk容器
/bin/zkServer.sh status 查看集群状态
结果是zoo3为master节点,其他两个是slave节点。
通过docker命令连接zk客户端
docker run -it --rm \
--link zoo1:zk1 \
--link zoo2:zk2 \
--link zoo3:zk3 \
--net zk_test_default \
zookeeper zkCli.sh -server zk1:2181,zk2:2181,zk3:2181
看的到我们连接的是zoo3这个master节点,连接好后可以对zk进行操作,添加节点、数据等。