hadoop群起集群脚本

vim hadooponekey.sh
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#!/bin/bash
if [ $# -lt 1 ]
then
    echo "No Args Input..."
    exit ;
fi
case $1 in "start")
        echo " =================== 启动 hadoop集群 ==================="

        echo " --------------- 启动 hdfs ---------------"
        ssh hadoop01 "/opt/servers/hadoop-3.1.4/sbin/start-dfs.sh"
        echo " --------------- 启动 yarn ---------------"
        ssh hadoop02 "/opt/servers/hadoop-3.1.4/sbin/start-yarn.sh"
        echo " --------------- 启动 historyserver ---------------"
        ssh hadoop01 "/opt/servers/hadoop-3.1.4/bin/mapred --daemon start historyserver" ;;
"stop")
        echo " =================== 关闭 hadoop集群 ==================="

        echo " --------------- 关闭 historyserver ---------------"
        ssh hadoop01 "/opt/servers/hadoop-3.1.4/bin/mapred --daemon stop historyserver"
        echo " --------------- 关闭 yarn ---------------"
        ssh hadoop02 "/opt/servers/hadoop-3.1.4/sbin/stop-yarn.sh"
        echo " --------------- 关闭 hdfs ---------------"
        ssh hadoop01 "/opt/servers/hadoop-3.1.4/sbin/stop-dfs.sh"
;;
*)
    echo "Input Args Error..."
;;
esac
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chmod 777 hadooponekey.sh
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