用于检查 ftp 备份服务器数据完整性和 SMS 警报的 Shell。

该脚本实现了对远程备份到ftp服务器的数据完整性及是否ftp到该服务器进行了检查，如果没有及时备份到该ftp服务器则脚本会触发短信告警功能模块实现短信的告警，最后由于ftp服务器的空间有限，笔者在征求相关人员已经后制定了90天之前的数据进行删除的策略并在脚本中也实现了该功能。现将该脚本贴出以供大家学习参考。

#!/usr/bin/ksh

#---------------------------------------------------------

# scriptname:

#       mon the data backup

# version:

#       1.2

# description:

#       - if you have "/opt/mon/backup/my.lock",the monitor is unavailability ;

#       - if find service error ,send message to admin.

# method:

# author:

#       create by fengzhanhai

# notes:

#       - the return variant is correct equal 0,error equal 1.

#---------------------------------------------------------

#script conf---------------------------------------------

Mon_Path="/backup/autobk/mon"

Mon_log="$Mon_Path/backup.log"

SMS_Server="your sms ip or fetion robot"

SMS_Send="$Mon_Path/sendsms"

Admin_Mobile="$Mon_Path/youmobilelist"

SMS_From=`hostname`

SMS_Header="Your-Mysql--DataBackup-"

Service_IP="your ftp server"

#check the lock file------------------------------------

getLock()

{

         if [ -f "$Mon_Path/$Service_Name.lock" ];then

                   return 1

         else

                   return 0

         fi

}

#writer the message to log--------------------------

logwriter()

{

         if [ ! -d `dirname $Mon_log` ]; then

                   mkdir -p `dirname $Mon_log`

         fi

         echo `date "+%Y-%m-%d %H:%M:%S"` : $1 >> $Mon_log

}

#send  error sms to admin---------------------

sendSmsToAdmin()

{

CurTime=`date "+%Y-%m-%d %H:%M:%S"`

         if [ $# -eq 1 ]; then

                   if [ ! -z "$1" ];then

                            tmpTime=`date "+%Y%m%d%H%M%S"`

                            for mobile in `cat $Admin_Mobile`

                            do

                                     $SMS_Send -h $SMS_Server $mobile "$SMS_Header$1 not update-$tmpTime-$SMS_From"

                            done

                   fi

         else

                   logwriter "call sendSmsToAdmin argus error"

         fi

}

#check the lock file------------------------------------

getlastfile()

{

         find $1 -name "$2`date "+%Y%m%d"`*.$3"|grep $2

        if [ $? = 0 ];then

                   return 0

         else

                   return 1

         fi

}

# main ---------------

#检查锁文件

logwriter "backup check begin"

getLock

if [ $? = 0 ];then

        #检查当日文件是否存在

         getlastfile /eip_backup/autobk/yourdb/mysql yourdata tgz

        if [ $? != 0 ];then

                   logwriter "yourdb not update!"

                   #发送告警短信

                   sendSmsToAdmin "yourapp"

         fi

         logwriter "yourapp  check over."

         #清理90天前的备份数据

         find /eip_backup/autobk/yourdb/mysql -name "yourdb*.tgz" -ctime +90 -print -exec rm {} \;

         logwriter "delete yourdb file over."

logwriter "backup check over"