335a0eb4ad
The i18n team has decided not to translate the logs because it seems like it not very useful; operators prefer to have them in English so that they can search for those strings on the internet. See http://lists.openstack.org/pipermail/openstack-dev/2017-March/thread.html#113365. Change-Id: I4418a388934ef58acb70c7f637b0236a6ccc7fe6 Closes-Bug: #1682101
146 lines
5.0 KiB
Python
146 lines
5.0 KiB
Python
# Copyright 2014
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# The Cloudscaling Group, 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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# 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 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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"""RequestContext: context for requests that persist through all of ec2."""
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from oslo_config import cfg
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from oslo_context import context
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from oslo_log import log as logging
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from oslo_utils import timeutils
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import six
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from ec2api import clients
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from ec2api import exception
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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class RequestContext(context.RequestContext):
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"""Security context and request information.
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Represents the user taking a given action within the system.
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"""
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def __init__(self, user_id, project_id, request_id=None,
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is_admin=None, remote_address=None,
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auth_token=None, user_name=None, project_name=None,
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overwrite=True, service_catalog=None, api_version=None,
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is_os_admin=None, **kwargs):
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"""Parameters
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:param overwrite: Set to False to ensure that the greenthread local
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copy of the index is not overwritten.
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:param kwargs: Extra arguments that might be present, but we ignore
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because they possibly came in from older rpc messages.
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"""
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user = kwargs.pop('user', None)
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tenant = kwargs.pop('tenant', None)
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super(RequestContext, self).__init__(
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auth_token=auth_token,
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user=user_id or user,
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tenant=project_id or tenant,
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is_admin=is_admin,
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request_id=request_id,
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resource_uuid=kwargs.pop('resource_uuid', None),
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overwrite=overwrite)
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# oslo_context's RequestContext.to_dict() generates this field, we can
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# safely ignore this as we don't use it.
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kwargs.pop('user_identity', None)
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self.session = kwargs.pop('session', None)
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if kwargs:
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LOG.warning('Arguments dropped when creating context: %s',
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str(kwargs))
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self.user_id = user_id
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self.project_id = project_id
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self.remote_address = remote_address
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timestamp = timeutils.utcnow()
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if isinstance(timestamp, six.string_types):
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timestamp = timeutils.parse_strtime(timestamp)
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self.timestamp = timestamp
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self.service_catalog = service_catalog
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if self.service_catalog is None:
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# if list is empty or none
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self.service_catalog = []
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self.user_name = user_name
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self.project_name = project_name
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self.is_admin = is_admin
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# TODO(ft): call policy.check_is_admin if is_admin is None
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self.is_os_admin = is_os_admin
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self.api_version = api_version
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def to_dict(self):
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values = super(RequestContext, self).to_dict()
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# FIXME(dims): defensive hasattr() checks need to be
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# removed once we figure out why we are seeing stack
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# traces
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values.update({
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'user_id': getattr(self, 'user_id', None),
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'project_id': getattr(self, 'project_id', None),
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'is_admin': getattr(self, 'is_admin', None),
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'remote_address': getattr(self, 'remote_address', None),
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'timestamp': self.timestamp.strftime(
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timeutils.PERFECT_TIME_FORMAT) if hasattr(
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self, 'timestamp') else None,
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'request_id': getattr(self, 'request_id', None),
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'quota_class': getattr(self, 'quota_class', None),
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'user_name': getattr(self, 'user_name', None),
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'service_catalog': getattr(self, 'service_catalog', None),
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'project_name': getattr(self, 'project_name', None),
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'is_os_admin': getattr(self, 'is_os_admin', None),
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'api_version': getattr(self, 'api_version', None),
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})
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return values
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@classmethod
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def from_dict(cls, values):
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return cls(**values)
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def is_user_context(context):
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"""Indicates if the request context is a normal user."""
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if not context:
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return False
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if context.is_os_admin:
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return False
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if not context.user_id or not context.project_id:
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return False
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return True
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def require_context(ctxt):
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"""Raise exception.AuthFailure()
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if context is not a user or an admin context.
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"""
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if not ctxt.is_os_admin and not is_user_context(ctxt):
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raise exception.AuthFailure()
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def get_os_admin_context():
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"""Create a context to interact with OpenStack as an administrator."""
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admin_session = clients.get_os_admin_session()
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return RequestContext(
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None, None,
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session=admin_session,
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is_os_admin=True,
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overwrite=False)
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