43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
# Copyright 2016 Internap.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo_log import log
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from almanach.api.auth import keystone_auth
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from almanach.api.auth import mixed_auth
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from almanach.api.auth import private_key_auth
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LOG = log.getLogger(__name__)
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class AuthenticationAdapter(object):
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def __init__(self, config):
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self.config = config
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def get_authentication_adapter(self):
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if self.config.auth.strategy == 'keystone':
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return self._get_keystone_auth()
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elif all(auth_method in self.config.auth.strategy for auth_method in ['token', 'keystone']):
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adapters = [self._get_private_key_auth(), self._get_keystone_auth()]
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return mixed_auth.MixedAuthentication(adapters)
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return self._get_private_key_auth()
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def _get_private_key_auth(self):
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LOG.info('Loading PrivateKey authentication adapter')
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return private_key_auth.PrivateKeyAuthentication(self.config.auth.private_key)
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def _get_keystone_auth(self):
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LOG.info('Loading Keystone authentication backend')
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return keystone_auth.KeystoneAuthentication(self.config)
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