hadoop hdfs、yarn 群起脚本

#!/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 hadoop102 "/opt/module/hadoop-2.7.2/sbin/start-dfs.sh"
echo " -------------------    启动YARN    -------------------"
ssh hadoop103 "/opt/module/hadoop-2.7.2/sbin/start-yarn.sh"
;;
"stop")
echo " =================== 关闭Hadoop集群 =================="
echo " -------------------    关闭YARN    ------------------"
ssh hadoop103 "/opt/module/hadoop-2.7.2/sbin/stop-yarn.sh"
echo " -------------------    关闭HDFS    ------------------"
ssh hadoop102 "/opt/module/hadoop-2.7.2/sbin/stop-dfs.sh"
;;
*)
esac