shell监控脚本-监控CDN 首页
shell监控脚本-监控CDN 首页注意: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CDN 首页
[*] cat chk_cdn.sh
[*] #!/bin/bash
[*] #
[*] #script_name:chk_cdn.sh
[*] #check cdn index.html
[*] #Domain name resolution
[*] #
[*] #last update 20130320 by dongnan
[*] #bbs# http://bbs.ywwd.net/
[*] #blog# http://dngood.blog.51cto.com
[*] #
[*] #tail error.log
[*] #curl: (6) name lookup timed out
[*] #variables
[*] #check_time=2 #检查间隔时间,2s
[*] check_count=8 #故障后检查次数,8次
[*] fault_count=4 #故障次数大于(4次),则认为不可用
[*] www_url="http://www.test.com"
[*] domain=www.test.com
[*] sh_dir=/root/sh/
[*] crondir=${sh_dir}crontab
[*] error_log=${crondir}/log/cdn_error.log
[*] flag_file=${crondir}/log/cdn.flag
[*] echo=/bin/echo
[*] curl=/usr/bin/curl
[*] options='--connect-timeout 3 -IL -A "check_cdn_www"'
[*] source ${sh_dir}/CONFIG
[*] #main
[*] test -e "${crondir}/log" || mkdir -p "${crondir}/log"
[*] #true
[*] if $curl $options $www_url > /dev/null 2>&1 ;then
[*] #flag
[*] if [ -f $flag_file ];then
[*] #sms
[*] #for mobile in $MOBILES; do
[*] #$echo "cdn_www ok" | /usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode
[*] #$echo "cdn_www_index.html ok"
[*] $done
[*] for mail in $MAILS;do
[*] $echo "$domain ok" | mail -s "cdn ok" $mail
[*] done
[*] #flag
[*] test -e "$flag_file" && rm -f "$flag_file"
[*] fi
[*] #false
[*] else
[*] #flag真退出脚本
[*] test -e $flag_file && exit 0
[*] check_failed=0
[*] #
[*] for((i=1;i /dev/null 2>&1;then
[*] #变量加1
[*] ((check_failed++))
[*] #error.log
[*] $echo "$(/bin/date +'%F %T') $www_url $check_failed fault" >> "$error_log"
[*] /usr/bin/dig "$domain" >> "$error_log"
[*] #
[*] sleep 1
[*] fi
[*] done
[*] #
[*] if [ "$check_failed" -gt "$fault_count" ];then
[*] #sms
[*] #for mobile in $MOBILES;do
[*] #$echo "www_cdn_index.html error" | /usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode
[*] #/bin/date +'%F %T' && $echo "www_cdn_index.html error"
[*] #done
[*] for mail in $MAILS;do
[*] $echo "$domain error" | mail -s "cdn error" $mail
[*] done
[*] #flag
[*] $echo "cdn_www_index.html error" > "$flag_file"
[*] #log
[*] fi
[*] fi
#
结束
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