cleanup-hook.py

#!/usr/bin/env python

import os

from aliyunsdkcore.client import AcsClient
from aliyunsdkcore.acs_exception.exceptions import ClientException
from aliyunsdkcore.acs_exception.exceptions import ServerException
from aliyunsdkalidns.request.v20150109 import DeleteDomainRecordRequest
from retrying import retry

@retry(stop_max_attempt_number=7, wait_fixed=2000)
def cleanup():
    client = AcsClient(
        os.environ['ALI_DNS_ACCESS_KEY_ID'],
        os.environ['ALI_DNS_ACCESS_KEY_SECRET'],
        'cn-beijing'
    )

    request = DeleteDomainRecordRequest.DeleteDomainRecordRequest()
    request.set_RecordId(open('/tmp/ali-dns-record-id-%s' % os.environ['CERTBOT_DOMAIN'], 'r').read().rstrip())

    client.do_action_with_exception(request)
    print('successfully delete domain record used for challenge validation...')

cleanup()