93 lines
2.8 KiB
Python
93 lines
2.8 KiB
Python
# Copyright (c) 2013 Mirantis 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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import threading
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from oslo_context import context
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class FenixContext(context.RequestContext):
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_context_stack = threading.local()
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def __init__(self, user_id=None, project_id=None, project_name=None,
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service_catalog=None, user_name=None, **kwargs):
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# NOTE(neha-alhat): During serializing/deserializing context object
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# over the RPC layer, below extra parameters which are passed by
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# `oslo.messaging` are popped as these parameters are not required.
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kwargs.pop('client_timeout', None)
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kwargs.pop('user_identity', None)
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kwargs.pop('project', None)
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if user_id:
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kwargs['user_id'] = user_id
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if project_id:
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kwargs['project_id'] = project_id
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super(FenixContext, self).__init__(**kwargs)
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self.project_name = project_name
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self.user_name = user_name
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self.service_catalog = service_catalog or []
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if self.is_admin and 'admin' not in self.roles:
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self.roles.append('admin')
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def __enter__(self):
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try:
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stack = self._context_stack.stack
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except AttributeError:
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stack = []
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self._context_stack.stack = stack
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stack.append(self)
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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res = self._context_stack.stack.pop()
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assert res is self, "self should be the top element of the stack"
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@classmethod
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def current(cls):
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try:
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return cls._context_stack.stack[-1]
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except (AttributeError, IndexError):
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raise RuntimeError("Context isn't available here")
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# NOTE(yorik-sar): as long as oslo.rpc requires this
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def to_dict(self):
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result = super(FenixContext, self).to_dict()
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result['user_id'] = self.user_id
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result['user_name'] = self.user_name
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result['project_id'] = self.project_id
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result['project_name'] = self.project_name
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result['service_catalog'] = self.service_catalog
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return result
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@classmethod
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def elevated(cls):
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try:
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ctx = cls.current()
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except RuntimeError:
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ctx = None
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return cls(ctx, is_admin=True)
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def current():
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return FenixContext.current()
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def elevated():
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return FenixContext.elevated()
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