47 lines
2.1 KiB
Python
47 lines
2.1 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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import logging
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from almanach.auth import keystone_auth
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from almanach.auth import mixed_auth
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from almanach.auth import private_key_auth
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from almanach import config
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class AuthenticationAdapter(object):
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@staticmethod
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def factory():
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if config.auth_strategy() == "keystone":
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logging.info("Loading Keystone authentication backend")
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return keystone_auth.KeystoneAuthentication(keystone_auth.KeystoneTokenManagerFactory(
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username=config.keystone_username(),
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password=config.keystone_password(),
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auth_url=config.keystone_url(),
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tenant_name=config.keystone_tenant_name()
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))
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elif all(auth_method in config.auth_strategy() for auth_method in ['token', 'keystone']):
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logging.info("Loading Keystone authentication backend")
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auths = [private_key_auth.PrivateKeyAuthentication(config.auth_private_key()),
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keystone_auth.KeystoneAuthentication(keystone_auth.KeystoneTokenManagerFactory(
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username=config.keystone_username(),
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password=config.keystone_password(),
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auth_url=config.keystone_url(),
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tenant_name=config.keystone_tenant_name()
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))]
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return mixed_auth.MixedAuthentication(auths)
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else:
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logging.info("Loading PrivateKey authentication backend")
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return private_key_auth.PrivateKeyAuthentication(config.auth_private_key())
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