伪集群模式
docker-compose.yml
version: '3.1'
services:
zoo1:
image: zookeeper
restart: always
hostname: 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
hostname: 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
hostname: 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
验证是否安装成功
- 分别以交互式方式进入容器
docker exec -it zookeeper_zoo1_1 /bin/bash
docker exec -it zookeeper_zoo2_1 /bin/bash
docker exec -it zookeeper_zoo3_1 /bin/bash
- 使用服务端工具检查服务器状态
root@Ubuntu:/usr/local/docker/zookeeper# docker exec -it zookeeper_zoo1_1 /bin/bash
bash-4.3# ./bin/zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /conf/zoo.cfg
Mode: follower
root@Ubuntu:/usr/local/docker/zookeeper# docker exec -it zookeeper_zoo2_1 /bin/bash
bash-4.3# ./bin/zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /conf/zoo.cfg
Mode: follower
root@UbuntuBase:/usr/local/docker/zookeeper# docker exec -it zookeeper_zoo3_1 /bin/bash
bash-4.3# ./bin/zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /conf/zoo.cfg
Mode: leader
从上面的验证结果可以看出:zoo1 为跟随者,zoo2 为跟随者,zoo3 为领导者