78 lines
2.8 KiB
Python
78 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
import logging
|
|
|
|
import zope.interface
|
|
|
|
from certbot import interfaces
|
|
from certbot import errors
|
|
from certbot.plugins import dns_common
|
|
|
|
from openstack.config import loader
|
|
from openstack import connection
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
@zope.interface.implementer(interfaces.IAuthenticator)
|
|
@zope.interface.provider(interfaces.IPluginFactory)
|
|
class Authenticator(dns_common.DNSAuthenticator):
|
|
"""DNS Authenticator for OpenStack
|
|
|
|
This Authenticator uses the OpenStack v2 DNS API to fulfill a
|
|
dns-01 challenge.
|
|
"""
|
|
|
|
description = 'Obtain certificates using a DNS TXT record.'
|
|
ttl = 60
|
|
|
|
@classmethod
|
|
def add_parser_arguments(cls, add): # pylint: disable=arguments-differ
|
|
super(Authenticator, cls).add_parser_arguments(
|
|
add, default_propagation_seconds=30)
|
|
add('config', help='OpenStack Client Config file.')
|
|
add('cloud', help='OpenStack to use.')
|
|
|
|
def more_info(self): # pylint: disable=missing-docstring,no-self-use
|
|
return 'This plugin configures a DNS TXT record to respond to a ' + \
|
|
'dns-01 challenge using the OpenStack DNS API.'
|
|
|
|
def _setup_credentials(self):
|
|
config_file = self.conf('config') or ''
|
|
config = loader.OpenStackConfig(
|
|
config_files=loader.CONFIG_FILES + [config_file])
|
|
self.cloud = connection.Connection(
|
|
config=config.get_one(
|
|
self.conf('cloud')
|
|
)
|
|
)
|
|
|
|
def _perform(self, domain, validation_name, validation):
|
|
domain_name_guesses = dns_common.base_domain_name_guesses(domain)
|
|
for domain in domain_name_guesses:
|
|
self.zone = self.cloud.get_zone(domain + '.')
|
|
if self.zone is not None:
|
|
break
|
|
if self.zone is None:
|
|
raise errors.PluginError(
|
|
'Unable to determine zone identifier for {0} using '
|
|
'zone names: {1}'.format(domain, domain_name_guesses))
|
|
self.recordset = self.cloud.create_recordset(
|
|
self.zone['id'], validation_name + '.', "TXT", [validation])
|
|
|
|
def _cleanup(self, domain, validation_name, validation):
|
|
if getattr(self, 'recordset', False):
|
|
self.cloud.delete_recordset(
|
|
self.zone['id'], self.recordset['id'])
|