53 lines
2.1 KiB
Python
53 lines
2.1 KiB
Python
# Copyright (c) 2015 The Johns Hopkins University/Applied Physics Laboratory
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# All Rights Reserved.
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#
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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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from castellan.key_manager import migration
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from oslo_config import cfg
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from oslo_log import log as logging
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from oslo_utils import importutils
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from stevedore import driver
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from stevedore import exception
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LOG = logging.getLogger(__name__)
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key_manager_opts = [
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cfg.StrOpt('backend',
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default='barbican',
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deprecated_name='api_class',
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deprecated_group='key_manager',
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help='Specify the key manager implementation. Options are '
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'"barbican" and "vault". Default is "barbican". Will '
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'support the values earlier set using '
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'[key_manager]/api_class for some time.'),
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]
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def API(configuration=None):
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conf = configuration or cfg.CONF
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conf.register_opts(key_manager_opts, group='key_manager')
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try:
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mgr = driver.DriverManager("castellan.drivers",
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conf.key_manager.backend,
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invoke_on_load=True,
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invoke_args=[conf])
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key_mgr = mgr.driver
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except exception.NoMatches:
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LOG.warning("Deprecation Warning : %s is not a stevedore based driver,"
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" trying to load it as a class", conf.key_manager.backend)
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cls = importutils.import_class(conf.key_manager.backend)
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key_mgr = cls(configuration=conf)
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return migration.handle_migration(conf, key_mgr)
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