59 lines
1.4 KiB
Python
59 lines
1.4 KiB
Python
# Copyright (c) 2019 Adam Coldrick
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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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import abc
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from oslo_config import cfg
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CONF = cfg.CONF
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STORAGE_OPTS = [
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cfg.BoolOpt("enable_attachments",
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default=False,
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help="Enable (or disable) the attachments API"),
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cfg.StrOpt("storage_backend",
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default="swift",
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help="Storage backend implementation to use. Currently only"
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"`swift` is supported."),
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]
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CONF.register_opts(STORAGE_OPTS, 'attachments')
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class StorageBackend(object):
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"""Interface which must be implemented by attachment storage backends."""
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@abc.abstractmethod
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def get_upload_url(self):
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pass
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@abc.abstractmethod
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def get_auth(self):
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pass
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STORAGE_BACKEND = None
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def get_storage_backend():
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global STORAGE_BACKEND
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return STORAGE_BACKEND
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def set_storage_backend(impl):
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global STORAGE_BACKEND
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STORAGE_BACKEND = impl
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