shell+Python实现简单的链路监

vim /usr/lightserver/server/operationanalysisserver/config.xml -->环境不同，这里只做范例
<?xml version="1.0" encoding="utf-8" ?>
<Root>
<Connect index="0" GSIP="192.168.0.100" GSPort="8002" DBIP="192.168.0.110" DBPort="3306" LoginName="game" Password="game" DBName="oaserver1"/>
<Connect index="1" GSIP="192.168.0.100" GSPort="8004" DBIP="192.168.0.110" DBPort="3306" LoginName="game" Password="game" DBName="oaserver2"/>
<Server IP="192.168.0.110"/>
</Root>

#!/bin/bash 
WORK_DIR="/usr/lightserver"
SERVER="worldserver gmserver operationanalysisserver chargeserver"
MAIL_LIST="*********@wo.cn *********@126.com"
while :
do
        NUM=0
        sleep 5
        for i in $SERVER
        do
          IP=`awk -F"\"" '/GSIP/{print $4}' $WORK_DIR/server/operationanalysisserver/config.xml`  -->#(这里没有使用$SERVER是因为配置文件可能有差异，但是IP是相同的)

            for j in $IP
                do
                        NUM=$(($NUM+1))
                        PID=`ps aux|grep $WORK_DIR/server/$i/unix/$i|grep -v grep|awk '{print $2}'|sed -n 1p`
                        if [ -z $PID ] ;then
                                PID=0
                        fi
                        if lsof -p $PID|grep -v grep|grep -v mysql|grep $j|grep ESTABL > /dev/null 2>&1;then
                                continue
                        else
                                echo "`date "+%Y-%m-%d %X"` $j link disconnected"
                                echo "-----------------------------------------------------------------"
                                if [ -f /usr/local/check_server/lock/link_alert.lck ];then    -->#短信通知有限制，1天最多只能发送10条，所以这里做了限制本次错误只发送1条，若无限制短信发送可直接省略此段，就是每5秒发一次。
                                        continue
                                else
                                        mkdir -p /usr/local/check_server/lock
                                        touch /usr/local/check_server/lock/link_alert.lck
                                        for m in $MAIL_LIST
                                        do
                                        python /usr/local/check_server/send_mail.py "Server Fault" "Links may be a problem,`date "+%Y-%m-%d %X"` $j link disconnected" "$m"  -->#这里的收件人和平常邮件接收人一样。
                                        done
                                fi
                        fi
                done
        done
        if [ $NUM -le `netstat -nat|grep -v grep|grep ESTABL|awk '{print $5}'|grep -v 0.0.0.0|egrep '(8002|8004)'|wc -l` ];then
                if [ -f /usr/local/check_server/lock/link_alert.lck ];then
                        rm -rf /usr/local/check_server/lock/link_alert.lck 
                fi
        fi
done

#!/usr/bin/env python
#coding: utf-8
__author__ = 'Yong'
__version__ = '1.0.0'


import os
import sys
import smtplib
from email.mime.text import MIMEText
from email.header import Header


def send_mail(s, i, r):

    #Subject = 'python test mail'
    Subject = s
    #mail_info = 'test from python3'
    mail_info = i
    Receiver = r

    Smtp_Server = 'smtp.126.com'   --> #这里用的是126的服务器，也可用公司的，做发件方使用
    Username = '*******'   --> #邮箱名，
    Passwd = '*******'     --> #邮箱密码

    if Username.find('@') < 0:
        Sender = Username + '@126.com'
    else:
        Sender = Username



    msg = MIMEText(mail_info, 'plain', 'utf-8')
    msg['Subject'] = Header(Subject, 'utf-8')

    smtp = smtplib.SMTP()
    smtp.connect(Smtp_Server)
    smtp.login(Username, Passwd)
    smtp.sendmail(Sender, Receiver, msg.as_string())
    smtp.quit()


if __name__ == '__main__':
    if len(sys.argv) != 4:
        print 'Usage:{0} 邮件主题 邮件内容 收件人地址\n'.format(sys.argv[0])
        sys.exit(1)
    send_mail(sys.argv[1], sys.argv[2], sys.argv[3])