阿铭每日一题 day 13 20180124

#!/bin/bash
#Author: Yang YuanQiang
#Blog1: http://aqiang.blog.51cto.com
#Blog2: http://www.cnblogs.com/ivan-yang/
#Time: 2018-01-24 13:50:53
#Name: day13_20180124.sh
#Version: V1.0
#Description: This is a script.

echo "Useage $0 域名,如: $0 baidu.com"
if [ $# -ne 1 ]
then
    exit
fi
which whois > /dev/null 2> /dev/null
if [ $? -ne 0 ]
then
    yum install -y whois
fi
domain_date=`whois $1 |grep "Expiry Date"|awk ‘{print $4}‘|cut -d ‘T‘ -f 1`
today=`date "+%F"`
expiry_date=`date -d "7 day ago ${domain_date}" +%F`
if [ ${expiry_date} == ${today} ]
then
    echo "$1 域名一周后到期，请及时续费，保证网站正常访问" |mail -s "$1 域名到期通知" test@163.com
fi

#!/bin/bash
#Author: Yang YuanQiang
#Blog1: http://aqiang.blog.51cto.com
#Blog2: http://www.cnblogs.com/ivan-yang/
#Time: 2018-01-24 17:05:09
#Name: day13_2_20180124.sh
#Version: V1.0
#Description: This is a script.

t1=`date +%s`
is_install_whois()
{
    which whois > /dev/null 2> /dev/null
    if [ $? -ne 0 ]
    then
        yum install -y whois
    fi
}

notify()
{
    e_d=`whois $1 | grep "Expiry Date" |awk ‘{print $4}‘ |cut -d ‘T‘ -f 1`
    e_t=`date -d "$e_d" +%s`
#提取一周前的时间
    n=`echo "86400*7"|bc`
    e_t1=$[$e_t-$n]
    if [ $t1 -ge $e_t1 ] && [ $t1 -lt $e_t ]
    then
        echo "$1 域名一周后"到期，请及时续费，保证网站正常访问" |mail -s "$1 域名到期通知" test@163.com"
    fi
}

is_install_whois
notify pengqi.club