#创建集群目录

mkdir /opt/cluster/zk

cd /opt/cluster/zk

#清理脏数据【可跳过】

docker stop zk-2181

docker stop zk-2182

docker stop zk-2183

docker rm zk-2181

docker rm zk-2182

docker rm zk-2183

docker ps -a

#创建配置文件模板【vim zoo-cluster.tmpl】

cat >zoo-cluster.tmpl <<HERE

clientPort=\${PORT}

dataDir=/data

dataLogDir=/datalog

tickTime=2000

initLimit=5

syncLimit=2

maxClientCnxns=60

server.1=localhost:2881:3881

server.2=localhost:2882:3882

server.3=localhost:2883:3883

HERE

#生成conf和data目标，并生成配置信息

for port in `seq 2181 2183`; do \

  mkdir -p ./${port}/conf \

  && PORT=${port} envsubst < ./zoo-cluster.tmpl > ./${port}/conf/zoo.cfg \

  && mkdir -p ./${port}/data \

  && echo $[$port-2180] >./${port}/data/myid \

  && mkdir -p ./${port}/datalog; \

done

#创建3个zookeeper容器

for port in `seq 2181 2183`; do \

  docker run -d --restart always -h zk${port} --name zk-${port} --net host  \

  -v /opt/cluster/zk/${port}/conf:/conf \

  -v /opt/cluster/zk/${port}/data:/data \

  -v /opt/cluster/zk/${port}/datalog:/datalog \

  -p ${port}:${port} -p $[$port+700]:$[$port+700] -p $[$port+1700]:$[$port+1700] \

  zookeeper ; \

done

# 创建并运行临时zookeeper容器，zkCli客户端连接集群

docker run -it --rm  zookeeper zkCli.sh -server 123.*.*.34:2181,123.*.*.34:2182,123.*.*.34:2183