shell入门到精通实战1-生产环境批量检查web url并通过手机邮件报警

生产环境批量检查web url并通过手机邮件报警

场景：

*用于服务启动后快速检查，常用于和服务启动脚本放一起。*

#!/bin/bash

########################################
# this script is created by wanglei
# mail: [email protected]
# qq: 353938339
# version: 1.0
#######################################
# function: check service
# blog: https://blog.csdn.net/weixin_38753143
# major: Linux，Cloud computing，docker，kubernetes，ansible ...
######################################

set -x

RETVAL=0
MAIL_GROUP="[email protected]"
LOG_FILE="/tmp/result.log"

get_url() {
       FAILCOUNT=0
       for ((i=1;i<=3;i++))
       do
           wget -T 5 --tries=3 --spider=http://${1} >/dev/null
           [ $? -ne 0 ] && (($FAILCOUNT+=1))
       done 
       if [ $FAILCOUNT -gt 1]
       then
           RETVAL=1
           NOW_TIME=`date +F`
           subje="${NOW_TIME} the service is error"
           echo "${NOW_TIME} $subje" >> ${LOG_FILE}
           for USER in ${MAIL_GROUP}
           do
              mail -s "$subje" $USER < ${LOG_FILE} #用mail可以发送邮件
           done
       else
           RETVAL=0
       fi
       return $RETVAL
}

for URL in `cat urllist`
do

        get_url $URL
done