shell编程之【告警系统】

#!/bin/bash

# 是否发送邮件的开关

export send=1

# 过滤ip地址

export addr=`/sbin/ifconfig |grep -A1 ‘eth0‘ |grep addr: |awk ‘{print $2}‘|awk -F: ‘{print $2}‘`

dir=`pwd`

# 只需要最后一级目录名

last_dir=`echo $dir|awk -F‘/‘ ‘{print $NF}‘`

# 下面的判断目的是，保证执行脚本的时候，我们在bin目录里，不然监控脚本、邮件和日志很有可能找不到

if [ $last_dir == "bin" ] || [ $last_dir == "bin/" ]; then

    conf_file="../conf/mon.conf"

else

    echo "you shoud cd bin dir"

    exit

fi

exec 1>>../log/mon.log 2>>../log/err.log

echo "`date +"%F %T"` load average"

/bin/bash ../shares/load.sh

#先检查配置文件中是否需要监控502

if grep -q ‘to_mon_502=1‘ $conf_file; then

    export log=`grep ‘logfile=‘ $conf_file |awk -F ‘=‘ ‘{print $2}‘ |sed ‘s/ //g‘`

    /bin/bash  ../shares/502.sh

fi

## to config the options if to monitor

## cdb  主要定义mysql的服务器地址、端口以及user、password

to_mon_cdb=0   ##0 or 1, default 0,0 not monitor, 1 monitor

cdb_ip=10.20.3.13

cdb_port=3315

cdb_user=username

cdb_pass=passwd

## httpd   如果是1则监控，为0不监控

to_mon_httpd=0

## php 如果是1则监控，为0不监控

to_mon_php_socket=0

## http_code_502  需要定义访问日志的路径

to_mon_502=1

logfile=/data/log/xxx.xxx.com/access.log

## request_count   定义日志路径以及域名

to_mon_request_count=0

req_log=/data/log/www.discuz.net/access.log

domainname=www.discuz.net

#! /bin/bash

load=`uptime |awk -F ‘average:‘ ‘{print $2}‘|cut -d‘,‘ -f1|sed ‘s/ //g‘ |cut -d. -f1`

if [ $load -gt 20 ] && [ $send -eq "1" ]

then

    echo "$addr `date +%T` load is $load" >../log/load.tmp

    /bin/bash ../mail/mail.sh $addr\_load $load ../log/load.tmp

fi

echo "`date +%T` load is $load"

#! /bin/bash

d=`date -d "-1 min" +%H:%M`

c_502=`grep :$d:  $log  |grep ‘ 502 ‘|wc -l`

if [ $c_502 -gt 10 ] && [ $send == 1 ]; then

     echo "$addr $d 502 count is $c_502">../log/502.tmp

     /bin/bash ../mail/mail.sh $addr\_502 $c_502  ../log/502.tmp

fi

echo "`date +%T` 502 $c_502"

#! /bin/bash

rm -f ../log/disk.tmp

for r in `df -h |awk -F ‘[ %]+‘ ‘{print $5}‘|grep -v Use`

do

    if [ $r -gt 90 ] && [ $send -eq "1" ]

then

    echo "$addr `date +%T` disk useage is $r" >>../log/disk.tmp

fi

if [ -f ../log/disk.tmp ]

then

    df -h >> ../log/disk.tmp

    /bin/bash ../mail/mail.sh $addr\_disk $r ../log/disk.tmp

    echo "`date +%T` disk useage is nook"

else

    echo "`date +%T` disk useage is ok"

fi

$smtp = new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);

                                                         //这里面的一个true是表示使用身份验证,否则不使用身份验证

#! /bin/bash

    log=$1  

    t_s=`date +%s`

    t_s2=`date -d "2 hours ago" +%s`

    if [ ! -f /tmp/$log ]

    then

        echo $t_s2 > /tmp/$log

    fi

    t_s2=`tail -1 /tmp/$log|awk ‘{print $1}‘`

    echo $t_s>>/tmp/$log

    v=$[$t_s-$t_s2]

        echo $v

    if [ $v -gt 3600 ]

    then    

        /dir/to/php ../mail/mail.php "$1 $2" "$3"

        echo "0" > /tmp/$log.txt

    else    

        if [ ! -f /tmp/$log.txt ]

        then

            echo "0" > /tmp/$log.txt

        fi

        nu=`cat /tmp/$log.txt`

        nu2=$[$nu+1]

        echo $nu2>/tmp/$log.txt

        if [ $nu2 -gt 10 ]

        then    

            /dir/to/php ../mail/mail.php "trouble continue 10 min $1  $2 " "$3"

             echo "0" > /tmp/$log.txt

        fi      

    fi