WEB服务健康状态检测

	#!/bin/sh
	#date:2015-12-07
	#filename:check_web.sh
	#作者:lixingli
	#Email:[e-mail]
	#version:v1.0

	while true
	do
	#pidfile=`cat /application/nginx/logs/nginx.pid`
	#status_code=`curl -s -w "%{http_code}" -o /dev/null 192.168.0.160`
	port=`netstat -tunlp|grep 80|wc -l`
	process=`ps -ef|grep nginx|grep -v grep|wc -l`

	if [ $port -eq 0 ] && [ $process -eq 0 ]
	  then
	    /application/nginx/sbin/nginx
	else
	    echo "Nginx is running."
	fi
	  sleep 5
	port=`netstat -tunlp|grep 80|wc -l`
	process=`ps -ef|grep nginx|grep -v grep|wc -l`
	status_code=`curl -s -w "%{http_code}" -o /dev/null 192.168.0.160`
	if [ $port -eq 0 ] && [ $process -eq 0 ] || [ $status_code -ne 200 ]
	  then
	    echo "Warnning,Nginx service is not OK."|mail -s "Warnning,Nginx no OK!" [e-mail]
	else
	    echo "Nginx is running."
	fi
	  sleep 5
	done

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