僞叢集模式
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
驗證是否安裝成功
- 分别以互動式方式進入容器
docker exec -it zookeeper_zoo1_1 /bin/bash
docker exec -it zookeeper_zoo2_1 /bin/bash
docker exec -it zookeeper_zoo3_1 /bin/bash
- 使用服務端工具檢查伺服器狀态
[email protected]:/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
[email protected]:/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
[email protected]:/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
從上面的驗證結果可以看出:zoo1 為跟随者,zoo2 為跟随者,zoo3 為上司者