azkaban羣起/羣停腳本

羣起包括：

• 第一步啓動exec
  此時這列的值爲0，下一步激活後變成1
  

• 第二步激活exec

• 第三步打開web頁面

腳本代碼（注意修改自己的主機名和安裝路徑）

#!/bin/bash

start-web(){
	for i in hadoop102;
	do
		ssh $i "cd /opt/module/azkaban/azkaban-web;bin/start-web.sh"
	done
}

stop-web(){
	for i in hadoop102;
	do
		ssh $i "cd /opt/module/azkaban/azkaban-web;bin/shutdown-web.sh"
	done
}

start-exec(){
	for i in hadoop102 hadoop103 hadoop104;
	do
		ssh $i "cd /opt/module/azkaban/azkaban-exec;bin/start-exec.sh"
	done
}

activate-exec(){
	for i in hadoop102 hadoop103 hadoop104;
	do
		ssh $i "curl -G "$i:12321/executor?action=activate" && echo"
	done
}

stop-exec(){
	for i in hadoop102 hadoop103 hadoop104;
	do
		ssh $i "/opt/module/azkaban/azkaban-exec/bin/shutdown-exec.sh"
	done
}

case $1 in
	start-exec)
		start-exec;;
	activate-exec)
		activate-exec;;
	stop-exec)
		stop-exec;;
	start-web)
		start-web;;
	stop-web)
		stop-web;;
esac