86 lines
2.6 KiB
Python
86 lines
2.6 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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from eventlet import corolocal
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from climate.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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class Context(object):
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"""Context class for the Climate operations."""
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_contexts = {}
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def __init__(self, user_id=None, tenant_id=None, auth_token=None,
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service_catalog=None, user_name=None, tenant_name=None,
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roles=None, **kwargs):
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if kwargs:
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LOG.warn('Arguments dropped when creating context: %s', kwargs)
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self.user_id = user_id
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self.user_name = user_name
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self.tenant_id = tenant_id
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self.tenant_name = tenant_name
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self.auth_token = auth_token
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self.service_catalog = service_catalog
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self.roles = roles
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self._db_session = None
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def __enter__(self):
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stack = self._contexts.setdefault(corolocal.get_ident(), [])
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stack.append(self)
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def __exit__(self, exc_type, exc_val, exc_tb):
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stack = self._contexts[corolocal.get_ident()]
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stack.pop()
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if not stack:
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del self._contexts[corolocal.get_ident()]
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@classmethod
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def current(cls):
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try:
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return cls._contexts[corolocal.get_ident()][-1]
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except (KeyError, IndexError):
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raise RuntimeError("Context isn't available here")
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@classmethod
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def clear(cls):
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try:
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del cls._contexts[corolocal.get_ident()]
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except KeyError:
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pass
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def clone(self):
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return Context(self.user_id,
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self.tenant_id,
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self.auth_token,
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self.service_catalog,
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self.user_name,
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self.tenant_name,
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self.roles)
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def to_dict(self):
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return {
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'user_id': self.user_id,
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'user_name': self.user_name,
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'tenant_id': self.tenant_id,
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'tenant_name': self.tenant_name,
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'auth_token': self.auth_token,
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'service_catalog': self.service_catalog,
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'roles': self.roles,
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}
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