监控服务器磁盘空间

LOCALDIR=`pwd`
maillist  =dingguoxing@cyou-inc.com
ipaddr=$(/sbin/ifconfig eth0 |grep "inet addr:"|awk -F"[:| ]+" '{print $4}')
whoami=$(cat /opt/cybunny/whoami |head -1)  #显示服务器功能文件
LOGFILE=${LOCALDIR}/monitor.log
Warnning=${LOCALDIR}/warnning.log
#发送邮件
SENDMAIL()
{
        if [ $(cat ${Warnning} |wc -l ) -gt 0 ];then
                echo -e "[$(date "+%F %T")]=>${whoami}(${ipaddr})" >>${Warnning}
                cat ${Warnning} >>${LOGFILE}
                mail -s "${whoami}-提示" ${maillist} <${Warnning}
        fi
}
MINSPACE=80
>${Warnning}  #记得清空
df -Plh |sed -n '2,$p' |while read line
do
        num=$(echo "${line}" | awk '{print $5}' | sed 's/%//g')
        dir=$(echo "${line}" | awk '{print $6}')
        disk=$(echo "${line}" | awk '{print $1}')
        if [ ${num} -gt ${MINSPACE} ];then
                echo -e "${disk} ${num}% ${dir}" >>${Warnning}
        fi
done
SENDMAIL