셸 모니터링 스 크 립 트 - memcache 모니터링

  
  
  
  

   
   
   
   
cat chk_memcache.sh 
   
   
   
   
#!/bin/bash 
   
   
   
   
# 
   
   
   
   
#script_name:chk_memcache.sh 
   
   
   
   
#check memcache 
   
   
   
   
# 
   
   
   
   
#last update 20130320 by dongnan 
   
   
   
   
#bbs# http://bbs.ywwd.net/ 
   
   
   
   
#blog# http://dngood.blog.51cto.com 
   
   
   
   
# 
   
   
   
   
#(echo "stats";sleep 2) | telnet IP 11211 
   
   
   
   
#Trying IP... 
   
   
   
   
#Connected to IP (IP). 
   
   
   
   
#Escape character is '^]'. 
   
   
   
   
#STAT pid 26090 
   
   
   
   
#STAT uptime 3179206 
   
   
   
   
#STAT time 1363157551 
   
   
   
   
#STAT version 1.2.6 
   
   
   
   
#................. 
   
   
   
   
#STAT pointer_size 64 
   
   
   
   
#STAT threads 1 
   
   
   
   
#END 
   
   
   
   
#Connection closed by foreign host. 
   
   
   
   
# 
   
   
   
   
#printf "stats\r
" | nc IP 11211 
   
   
   
   
# 
   
   
   
   
#nc -z bbs.ywwd.net 80 && echo $? 
   
   
   
   
#0 
   
   
   
   
#nc -z bbs.ywwd.net 81 || echo $? 
   
   
   
   
#1 
   
   
   
   
#variables 
   
   
   
   
nc=/usr/bin/nc 
   
   
   
   
usleep=/bin/usleep 
   
   
   
   
echo=/bin/echo 
   
   
   
   
sh_dir=/root/sh/ 
   
   
   
   
crondir=${sh_dir}crontab 
   
   
   
   
source ${sh_dir}CONFIG 
   
   
   
   
hosts="$MEMCACHE_HOSTS"
   
   
   
   
check_count=8
   
   
   
   
fault_count=4
   
   
   
   
#main 
   
   
   
   
#        
   
   
   
   
for memcache in $hosts ;do 
   
   
   
   
flag_file=${crondir}/log/${memcache}.memcache  
   
   
   
   
log=$crondir/log/memcache_error.log 
   
   
   
   
#true 
   
   
   
   
if [ $(echo "stats" | nc -w 2 "$memcache" 11211 | wc -l) -gt 2 ];then 
   
   
   
   
#flag  
   
   
   
   
    if [ -f $flag_file ];then 
   
   
   
   
        #sms  
   
   
   
   
        #for mobile in $MOBILES; do  
   
   
   
   
            #$echo "$memcache memache ok" | /usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode  
   
   
   
   
        #done  
   
   
   
   
        #email  
   
   
   
   
        for mail in $MAILS;do 
   
   
   
   
            echo "$memcache memcache ok" | mail -s "$memcache memcache ok" $mail 
   
   
   
   
        done 
   
   
   
   
        #delete flag  
   
   
   
   
        test -e "$flag_file" && rm -f "$flag_file" 
   
   
   
   
    fi 
   
   
   
   
#false 
   
   
   
   
else 
   
   
   
   
#flag  ,       
   
   
   
   
    test -e $flag_file && continue 
   
   
   
   
check_failed=0
   
   
   
   
    #  
   
   
   
   
    for((i=1;i<="$check_count";i++));do 
   
   
   
   
check_date=$(date '+ %F %T')  
   
   
   
   
        #  
   
   
   
   
        if [ ! $(echo "stats" | nc -w 2 "$memcache" 11211 | wc -l) -gt 2 ];then 
   
   
   
   
            #  
   
   
   
   
            ((check_failed++))  
   
   
   
   
            #error.log  
   
   
   
   
            $echo "$(/bin/date +'%F %T') $memcache $check_failed fault" >> "$log"  
   
   
   
   
            #  
   
   
   
   
            $usleep 300000 || sleep 1 || sleep 1  
   
   
   
   
        fi 
   
   
   
   
    done 
   
   
   
   
    # ( ) fault_count      
   
   
   
   
    if [ "$check_failed" -gt "$fault_count" ];then 
   
   
   
   
         #sms  
   
   
   
   
         #for mobile in $MOBILES;do  
   
   
   
   
             #$echo "$memcache memache error" | /usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode  
   
   
   
   
             #/bin/date +'%F %T' && $echo "$memcache memache error"  
   
   
   
   
         #done  
   
   
   
   
         #mail  
   
   
   
   
         for mail in $MAILS;do 
   
   
   
   
             echo "$memcache memcache error" | mail -s "$memcache memcache error" $MAILS 
   
   
   
   
         done 
   
   
   
   
         #log 
   
   
   
   
         echo "$check_date $HOST memcache error" >> "$log" 
   
   
   
   
         #flag 
   
   
   
   
         $echo "$memcache memache error" > "$flag_file" 
   
   
   
   
    fi 
   
   
   
   
# if   
   
   
   
   
fi 
   
   
   
   
#      
   
   
   
   
done