54a52ae716
Keystoneclient provides the adapter to make it easier for projects to work with sessions. It allows more flexibility in querying the service catalog, and additional http options in a consistent way across projects. Change-Id: Ief96aec1057847ac0fde14f4a98b3d7b146415a4
58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
# Copyright (c) 2013 Rackspace, 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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"""
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Base utilities to build API operation managers.
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"""
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import uuid
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import six
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def filter_null_keys(dictionary):
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return dict(((k, v) for k, v in dictionary.items() if v is not None))
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def validate_ref(ref, entity):
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try:
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# Split out the UUID from the ref URL
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url = six.moves.urllib.parse.urlparse(ref)
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parts = url.path.rstrip('/').split('/')
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# Attempt to load the UUID with uuid, which will raise if invalid
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uuid.UUID(parts[-1])
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except:
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raise ValueError('{0} incorrectly specified.'.format(entity))
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class ImmutableException(Exception):
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def __init__(self, attribute=None):
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message = "This object is immutable!"
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super(ImmutableException, self).__init__(message)
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class BaseEntityManager(object):
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def __init__(self, api, entity):
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self._api = api
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self._entity = entity
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def total(self):
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"""
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Returns the total number of entities stored in Barbican.
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"""
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href = '{0}/{1}'.format(self._api._base_url, self._entity)
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params = {'limit': 0, 'offset': 0}
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resp = self._api.get(href, params=params)
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return resp['total']
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