셸 모니터링 스 크 립 트 - 모니터링 네트워크

  
  
  
  

   
   
   
   
cat chk_ping.sh 
   
   
   
   
#!/bin/bash 
   
   
   
   
# 
   
   
   
   
#script_name:chk_ping.sh 
   
   
   
   
#check network 
   
   
   
   
# 
   
   
   
   
#last update 20130320 by dongnan 
   
   
   
   
#bbs# http://bbs.ywwd.net/ 
   
   
   
   
#blog# http://dngood.blog.51cto.com 
   
   
   
   
#lost 
   
   
   
   
# ping -f -c 20  202.013.191.31 
   
   
   
   
#PING 202.013.191.31 (202.11.191.31) 56(84) bytes of data. 
   
   
   
   
#.................... 
   
   
   
   
#--- 202.013.191.31 ping statistics --- 
   
   
   
   
#20 packets transmitted, 0 received, 100% packet loss, time 236ms 
   
   
   
   
#delay 
   
   
   
   
# ping -f -c 20 199.192.152.2 
   
   
   
   
#PING 199.192.152.2 (199.192.152.2) 56(84) bytes of data.                    
   
   
   
   
#--- 199.192.152.2 ping statistics --- 
   
   
   
   
#20 packets transmitted, 20 received, 0% packet loss, time 227ms 
   
   
   
   
#rtt min/avg/max/mdev = 266.758/268.957/272.593/1.787 ms, pipe 20, ipg/ewma 11.959/269.829 ms 
   
   
   
   
# 
   
   
   
   
#variables 
   
   
   
   
ping=/bin/ping 
   
   
   
   
delay_limit=100
   
   
   
   
loss_limit=20
   
   
   
   
sh_dir=/root/sh/ 
   
   
   
   
crondir=${sh_dir}crontab 
   
   
   
   
source ${sh_dir}CONFIG 
   
   
   
   
user=`id -u` 
   
   
   
   
hosts="$ALLHOSTS"
   
   
   
   
#main 
   
   
   
   
#root   
   
   
   
   
if [ "$user" -ne 0 ];then 
   
   
   
   
    echo "must root !!" 
   
   
   
   
    exit 1 
   
   
   
   
fi 
   
   
   
   
#        
   
   
   
   
for HOST in $hosts ;do 
   
   
   
   
flag_ping_file="$crondir/log/$HOST.ping"
   
   
   
   
error_log="$crondir/log/ping_error.log"
   
   
   
   
#true 
   
   
   
   
if ! $ping -W 2 -f -c 10 $HOST > $crondir/log/ping.log 2>&1;then 
   
   
   
   
    grep "packet loss" $crondir/log/ping.log >$crondir/log/ping.loss 
   
   
   
   
    #   0,  delay   loss    
   
   
   
   
loss=`awk '{print $6}' $crondir/log/ping.loss | awk -F% '{print $1}'` 
   
   
   
   
    #loss       ，        
   
   
   
   
    if [ "$loss" -ge "$loss_limit" ];then 
   
   
   
   
        if [ ! -f $flag_ping_file ];then 
   
   
   
   
            #sms 
   
   
   
   
            #for mobile in $MOBILES;do 
   
   
   
   
                #echo "Monitor to $HOST delay $delay'ms;$loss% packet loss" | /usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode 
   
   
   
   
            #done 
   
   
   
   
            #mail 
   
   
   
   
            for mail in $MAILS;do 
   
   
   
   
                echo "Monitor to $HOST $loss% packet loss" | mail -s "$HOST lost" $mail 
   
   
   
   
            done 
   
   
   
   
            #log 
   
   
   
   
            date +'%F %T' >>$error_log 
   
   
   
   
            cat $crondir/log/ping.log >>$error_log 
   
   
   
   
            #  flag   
   
   
   
   
            echo "$HOST network error" >$flag_ping_file 
   
   
   
   
        fi 
   
   
   
   
    fi 
   
   
   
   
#false  
   
   
   
   
else 
   
   
   
   
    #loss       ，          
   
   
   
   
    if [ -f $flag_ping_file ];then 
   
   
   
   
        #sms 
   
   
   
   
        #for mobile in $MOBILES;do 
   
   
   
   
            #echo "$HOST network ok"|/usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode 
   
   
   
   
        #done 
   
   
   
   
        #mail 
   
   
   
   
        for mail in $MAILS;do 
   
   
   
   
            echo "$HOST network ok" | mail -s "$HOST network ok" $MAILS 
   
   
   
   
        done 
   
   
   
   
        #delete flag 
   
   
   
   
        rm -f $flag_ping_file 
   
   
   
   
    fi 
   
   
   
   
#   
   
   
   
   
fi 
   
   
   
   
# 
   
   
   
   
done