第一步 创建docker网段
在centos窗口中,执行如下命令:
docker network create --subnet=172.20.0.0/16 net7
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*注:172.20.0.0 网段(读者可以自定义自己所需的网段)
16 子网掩码
net7 网段名称 (读者可以自定义自己所需的网段名称)
说明:在此步创建网段,是为了合理规范便于治理,读者可自行选择是否创建*
第二步 创建Zookeeper集群
创建本地保存数据以及事务日志文件映射目录,在本文中将创建3个节点,故会创建对应3个节点的路径,在centos窗口中,执行如下命令创建所需目录:
cd /home/soft/
mkdir zookeepercluster
cd zookeepercluster
mkdir zookeeper1DataDir
mkdir zookeeper1DataLogDir
mkdir zookeeper2DataDir
mkdir zookeeper2DataLogDir
mkdir zookeeper3DataDir
mkdir zookeeper3DataLogDir
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注:本文zookeeper集群存放的数据结构为/home/soft/zookeepercluster下 ,读者可自行选择
创建完成后,接下来在centos窗口中,执行如下命令,拉取zookeeper镜像:
docker pull zookeeper
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拉取完镜像后,创建zookeeper集群,在centos窗口中,执行如下命令:
docker run -d -v /home/soft/zookeepercluster/zookeeper1DataDir:/data -v /home/soft/zookeepercluster/zookeeper1DataLogDir:/datalog -e ZOO_MY_ID=1 -e ZOO_SERVERS='server.1=172.20.0.2:2888:3888 server.2=172.20.0.3:2888:3888 server.3=172.20.0.4:2888:3888' --name=zookeeper1 --net=net7 --ip 172.20.0.2 --privileged zookeeper
docker run -d -v /home/soft/zookeepercluster/zookeeper2DataDir:/data -v /home/soft/zookeepercluster/zookeeper2DataLogDir:/datalog -e ZOO_MY_ID=2 -e ZOO_SERVERS='server.1=172.20.0.2:2888:3888 server.2=172.20.0.3:2888:3888 server.3=172.20.0.4:2888:3888' --name=zookeeper2 --net=net7 --ip 172.20.0.3 --privileged zookeeper
docker run -d -v /home/soft/zookeepercluster/zookeeper3DataDir:/data -v /home/soft/zookeepercluster/zookeeper3DataLogDir:/datalog -e ZOO_MY_ID=3 -e ZOO_SERVERS='server.1=172.20.0.2:2888:3888 server.2=172.20.0.3:2888:3888 server.3=172.20.0.4:2888:3888' --name=zookeeper3 --net=net7 --ip 172.20.0.4 --privileged zookeeper
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