49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
# Copyright (c) 2016 HuaWei, Inc.
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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
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# 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_config import cfg
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class Configuration(object):
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def __init__(self, conf):
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"""Initialize configuration."""
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self.local_conf = conf
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def register_opts(self, volume_opts, group=None):
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self.local_conf.register_opts(volume_opts, group=group)
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def set_override(self, name, override, group=None, enforce_type=False):
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self.local_conf.set_override(name, override, group=group,
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enforce_type=enforce_type)
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def safe_get(self, value):
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try:
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return self.__getattr__(value)
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except cfg.NoSuchOptError:
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return None
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def __contains__(self, key):
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"""Return True if key is in local_conf."""
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return key in self.local_conf
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def __getattr__(self, value):
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# Don't use self.local_conf to avoid reentrant call to __getattr__()
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local_conf = object.__getattribute__(self, 'local_conf')
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return getattr(local_conf, value)
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def __getitem__(self, key):
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"""Look up an option value and perform string substitution."""
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return self.local_conf.__getitem__(key)
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