68 lines
2.4 KiB
Python
68 lines
2.4 KiB
Python
# -*- coding: utf-8 -*-
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging
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import zope.interface
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from certbot import interfaces
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from certbot.plugins import dns_common
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from openstack.config import loader
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from openstack import connection
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LOG = logging.getLogger(__name__)
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@zope.interface.implementer(interfaces.IAuthenticator)
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@zope.interface.provider(interfaces.IPluginFactory)
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class Authenticator(dns_common.DNSAuthenticator):
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"""DNS Authenticator for OpenStack
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This Authenticator uses the OpenStack v2 DNS API to fulfill a
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dns-01 challenge.
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"""
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description = 'Obtain certificates using a DNS TXT record.'
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ttl = 60
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@classmethod
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def add_parser_arguments(cls, add): # pylint: disable=arguments-differ
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super(Authenticator, cls).add_parser_arguments(
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add, default_propagation_seconds=30)
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add('client_config', help='OpenStack Client Config file.')
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add('cloud', help='OpenStack to use.')
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def more_info(self): # pylint: disable=missing-docstring,no-self-use
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return 'This plugin configures a DNS TXT record to respond to a ' + \
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'dns-01 challenge using the OpenStack DNS API.'
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def _setup_credentials(self):
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config_file = self.conf('client_config') or ''
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config = loader.OpenStackConfig(
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config_files=loader.CONFIG_FILES + [config_file])
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self.cloud = connection.Connection(
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config=config.get_one(
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self.conf('cloud')
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)
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)
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def _perform(self, domain, validation_name, validation):
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self.zone = self.cloud.get_zone(domain + '.')
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self.recordset = self.cloud.create_recordset(
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self.zone['id'], validation_name + '.', "TXT", [validation])
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def _cleanup(self, domain, validation_name, validation):
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self.cloud.delete_recordset(
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self.zone['id'], self.recordset['id'])
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