shell监控脚本-监控memcache
注意:请先参考 shell监控脚本-准备工作,监控脚本在 rhel5 下测试正常，其它版本的linux 系统请自行测试
#监控memcache
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cat chk_memcache.sh
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#!/bin/bash
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#
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#script_name:chk_memcache.sh
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#check memcache
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#
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#last update 20130320 by dongnan
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#bbs# http://bbs.ywwd.net/
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#blog# http://dngood.blog.51cto.com
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#
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#(echo "stats";sleep 2) | telnet IP 11211
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#Trying IP...
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#Connected to IP (IP).
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#Escape character is '^]'.
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#STAT pid 26090
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#STAT uptime 3179206
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#STAT time 1363157551
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#STAT version 1.2.6
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#.................
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#STAT pointer_size 64
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#STAT threads 1
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#END
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#Connection closed by foreign host.
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#
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#printf "stats\r\n" | nc IP 11211
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#
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#nc -z bbs.ywwd.net 80 && echo $?
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#0
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#nc -z bbs.ywwd.net 81 || echo $?
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#1
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#variables
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nc=/usr/bin/nc
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usleep=/bin/usleep
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echo=/bin/echo
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sh_dir=/root/sh/
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crondir=${sh_dir}crontab
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source ${sh_dir}CONFIG
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hosts="$MEMCACHE_HOSTS"
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check_count=8
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fault_count=4
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#main
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#主循环遍历机器
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for memcache in $hosts ;do
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flag_file=${crondir}/log/${memcache}.memcache
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log=$crondir/log/memcache_error.log
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#true
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if [ $(echo "stats" | nc -w 2 "$memcache" 11211 | wc -l) -gt 2 ];then
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#flag
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if [ -f $flag_file ];then
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#sms
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#for mobile in $MOBILES; do
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#$echo "$memcache memache ok" | /usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode
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#done
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#email
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for mail in $MAILS;do
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echo "$memcache memcache ok" | mail -s "$memcache memcache ok" $mail
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done
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#delete flag
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test -e "$flag_file" && rm -f "$flag_file"
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fi
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#false
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else
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#flag存在,跳过本次循环
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test -e $flag_file && continue
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check_failed=0
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#
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for((i=1;i<="$check_count";i++));do
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check_date=$(date '+ %F %T')
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#
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if [ ! $(echo "stats" | nc -w 2 "$memcache" 11211 | wc -l) -gt 2 ];then
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#
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((check_failed++))
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#error.log
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$echo "$(/bin/date +'%F %T') $memcache $check_failed fault" >> "$log"
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#
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$usleep 300000 || sleep 1 || sleep 1
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fi
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done
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#大(等)于fault_count发送报警
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if [ "$check_failed" -gt "$fault_count" ];then
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#sms
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#for mobile in $MOBILES;do
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#$echo "$memcache memache error" | /usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode
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#/bin/date +'%F %T' && $echo "$memcache memache error"
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#done
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#mail
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for mail in $MAILS;do
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echo "$memcache memcache error" | mail -s "$memcache memcache error" $MAILS
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done
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#log
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echo "$check_date $HOST memcache error" >> "$log"
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#flag
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$echo "$memcache memache error" > "$flag_file"
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fi
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#主if结束
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fi
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#主循环结束
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done
#
结束
更多请：
linux 系统运维 37275208
vmware 虚拟化 166682360
本文转自 dongnan 51CTO博客，原文链接：http://blog.51cto.com/dngood/1163568
