zk.sh

#!/bin/bash

if [ $# -lt 1 ]
then
    echo "请输入start、stop或status参数..."
    exit ;
fi

case $1 in
"start"){
    for i in hadoop100 hadoop101 hadoop102
    do
        echo  ------------- zookeeper $i 启动 ------------
        ssh $i "/opt/module/zookeeper-3.5.7/bin/zkServer.sh start"
    done
}
;;
"stop"){
    for i in hadoop100 hadoop101 hadoop102
    do
        echo  ------------- zookeeper $i 停止 ------------
        ssh $i "/opt/module/zookeeper-3.5.7/bin/zkServer.sh stop"
    done
}
;;
"status"){
    for i in hadoop100 hadoop101 hadoop102
    do
        echo  ------------- zookeeper $i 状态 ------------
        ssh $i "/opt/module/zookeeper-3.5.7/bin/zkServer.sh status"
    done
}
;;
esac

添加执行权限

chmod 777 /home/zk.sh