day 10 告警系统

#shell 告警系统main.sh
[root@iZwz96qzfgxh9l2rk7esxnZ bin]# pwd
/usr/local/sbin/mon/bin
[root@iZwz96qzfgxh9l2rk7esxnZ bin]# dir=`pwd`
[root@iZwz96qzfgxh9l2rk7esxnZ bin]# last_dir=`echo $dir | awk -F '/' '{print $NF}'`
[root@iZwz96qzfgxh9l2rk7esxnZ bin]# echo last_dir last_dir
[root@iZwz96qzfgxh9l2rk7esxnZ bin]# echo $last_dir bin
[root@iZwz96qzfgxh9l2rk7esxnZ bin]# fg vim main.sh
#!/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:"|awk '/inet/ {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
#告警系统配置文件mon.conf   
[root@iZwz96qzfgxh9l2rk7esxnZ conf]# vim mon.conf
##to config the ptions if to monitor
## 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
db_ip=10.20.3.13
db_port=3315
db_user=username
db_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
#告警系统load.sh
[root@iZwz96qzfgxh9l2rk7esxnZ mon]# cd shares/
[root@iZwz96qzfgxh9l2rk7esxnZ shares]# vim load.sh
#!/bin/bash
load=`uptime |awk -F 'average:' '{print $2}'|cut -d',' -f1|sed 's/ //g' |cut -d. -f1`
if [ $load -gt 10 ] && [ $send -eq "1" ] then
    echo "$addr `date +%T` load is $load" >../log/load.tmp
    /bin/bash ../mail/mail.sh [email protected] "$addr\_load:$load" `cat ../log/load.tmp`
fi
echo "`date +%T` load is $load"
#告警系统502.sh
[root@iZwz96qzfgxh9l2rk7esxnZ shares]# vim 502.sh
#!/bin/bash
d=`date -d "-1 min" +%H:%M`
c_502=`grep :$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"
#shell项目-告警系统disk.sh
[root@iZwz96qzfgxh9l2rk7esxnZ shares]# vim disk.sh
#!/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
#告警系统mail.sh
[root@iZwz96qzfgxh9l2rk7esxnZ mail]# vim mail.py [root@iZwz96qzfgxh9l2rk7esxnZ mail]# vim mail.sh
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
    ./mail.py  $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
         ./mail.py  $1 "trouble continue 10 min $2" "$3"
         echo "0" > /tmp/$log.txt
    fi 
fi