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(echo "$text" | grep -i "notAfter" | awk -F '=' '{print $2}') # 证书过期时间
end_timestamp=$(date -d "$end_date" +%s) # 转换成时间戳
current_timestamp=$(date +%s) # 当前时间戳
# 如果证书过期时间减去当前时间的天数小于七天的话，则提示需要准备更换证书了
remain_date=$(( (${end_timestamp} - ${current_timestamp}) / 86400 ))
if [[ ${remain_date} -lt 7 && ${remain_date} -ge 0 ]]
then
echo -e "\e[31m剩余时间小于七天！请及时更换证书！\e[0m"
echo -e "\e[31mip: ${ip}, ${domain}\e[0m"
elif [[ ${remain_date} -lt 0 ]]
then
echo -e "\e[31m证书已过期！请及时更换证书！\e[0m"
else
echo -e "\e[32m剩余天数为：${remain_date}\e[0m"
fi
else
echo -e "\e[31mError!${ip}\e[0m"
echo -e "\e[31m${domain}\e[0m"
fi
done
done
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