コード例 #1
0
ファイル: context.py プロジェクト: fengyueyugu/nova
    def __init__(self, user_id, project_id, is_admin=None, read_deleted="no",
                 roles=None, remote_address=None, timestamp=None,
                 request_id=None, auth_token=None, overwrite=True,
                 quota_class=None, user_name=None, project_name=None,
                 service_catalog=None, instance_lock_checked=False,
                 user_auth_plugin=None, **kwargs):
        """:param read_deleted: 'no' indicates deleted records are hidden,
                'yes' indicates deleted records are visible,
                'only' indicates that *only* deleted records are visible.

           :param overwrite: Set to False to ensure that the greenthread local
                copy of the index is not overwritten.

           :param user_auth_plugin: The auth plugin for the current request's
                authentication data.

           :param kwargs: Extra arguments that might be present, but we ignore
                because they possibly came in from older rpc messages.
        """
        if kwargs:
            LOG.warning(_LW('Arguments dropped when creating context: %s') %
                        str(kwargs))

        self.user_id = user_id
        self.project_id = project_id
        self.roles = roles or []
        self.read_deleted = read_deleted
        self.remote_address = remote_address
        if not timestamp:
            timestamp = timeutils.utcnow()
        if isinstance(timestamp, six.string_types):
            timestamp = timeutils.parse_strtime(timestamp)
        self.timestamp = timestamp
        if not request_id:
            request_id = context.generate_request_id()
        self.request_id = request_id
        self.auth_token = auth_token

        if service_catalog:
            # Only include required parts of service_catalog
            self.service_catalog = [s for s in service_catalog
                if s.get('type') in ('volume', 'volumev2')]
        else:
            # if list is empty or none
            self.service_catalog = []

        self.instance_lock_checked = instance_lock_checked

        # NOTE(markmc): this attribute is currently only used by the
        # rs_limits turnstile pre-processor.
        # See https://lists.launchpad.net/openstack/msg12200.html
        self.quota_class = quota_class
        self.user_name = user_name
        self.project_name = project_name
        self.is_admin = is_admin
        self.user_auth_plugin = user_auth_plugin
        if self.is_admin is None:
            self.is_admin = policy.check_is_admin(self)
        if overwrite or not hasattr(local.store, 'context'):
            self.update_store()
コード例 #2
0
ファイル: context.py プロジェクト: yunbox/nova-virtualbox
    def __init__(self, user_id, project_id, is_admin=None, read_deleted="no",
                 roles=None, remote_address=None, timestamp=None,
                 request_id=None, auth_token=None, overwrite=True,
                 quota_class=None, user_name=None, project_name=None,
                 service_catalog=None, instance_lock_checked=False,
                 user_auth_plugin=None, **kwargs):
        """:param read_deleted: 'no' indicates deleted records are hidden,
                'yes' indicates deleted records are visible,
                'only' indicates that *only* deleted records are visible.

           :param overwrite: Set to False to ensure that the greenthread local
                copy of the index is not overwritten.

           :param user_auth_plugin: The auth plugin for the current request's
                authentication data.

           :param kwargs: Extra arguments that might be present, but we ignore
                because they possibly came in from older rpc messages.
        """
        if kwargs:
            LOG.warning(_LW('Arguments dropped when creating context: %s') %
                        str(kwargs))

        self.user_id = user_id
        self.project_id = project_id
        self.roles = roles or []
        self.read_deleted = read_deleted
        self.remote_address = remote_address
        if not timestamp:
            timestamp = timeutils.utcnow()
        if isinstance(timestamp, six.string_types):
            timestamp = timeutils.parse_strtime(timestamp)
        self.timestamp = timestamp
        if not request_id:
            request_id = context.generate_request_id()
        self.request_id = request_id
        self.auth_token = auth_token

        if service_catalog:
            # Only include required parts of service_catalog
            self.service_catalog = [s for s in service_catalog
                if s.get('type') in ('volume', 'volumev2', 'key-manager')]
        else:
            # if list is empty or none
            self.service_catalog = []

        self.instance_lock_checked = instance_lock_checked

        # NOTE(markmc): this attribute is currently only used by the
        # rs_limits turnstile pre-processor.
        # See https://lists.launchpad.net/openstack/msg12200.html
        self.quota_class = quota_class
        self.user_name = user_name
        self.project_name = project_name
        self.is_admin = is_admin
        self.user_auth_plugin = user_auth_plugin
        if self.is_admin is None:
            self.is_admin = policy.check_is_admin(self)
        if overwrite or not hasattr(local.store, 'context'):
            self.update_store()
コード例 #3
0
ファイル: context.py プロジェクト: panguan737/nova
    def __init__(self, user_id=None, project_id=None, is_admin=None,
                 read_deleted="no", remote_address=None, timestamp=None,
                 quota_class=None, service_catalog=None,
                 instance_lock_checked=False, user_auth_plugin=None, **kwargs):
        """:param read_deleted: 'no' indicates deleted records are hidden,
                'yes' indicates deleted records are visible,
                'only' indicates that *only* deleted records are visible.

           :param overwrite: Set to False to ensure that the greenthread local
                copy of the index is not overwritten.

           :param user_auth_plugin: The auth plugin for the current request's
                authentication data.
        """
        if user_id:
            kwargs['user'] = user_id
        if project_id:
            kwargs['tenant'] = project_id

        super(RequestContext, self).__init__(is_admin=is_admin, **kwargs)

        self.read_deleted = read_deleted
        self.remote_address = remote_address
        if not timestamp:
            timestamp = timeutils.utcnow()
        if isinstance(timestamp, six.string_types):
            timestamp = timeutils.parse_strtime(timestamp)
        self.timestamp = timestamp

        if service_catalog:
            # Only include required parts of service_catalog
            # NOTE(lyarwood): While volumev2 is no longer supported with Queens
            # we still provide it as part of the service catalog as the request
            # context may end up being sent over the wire to a Pike compute
            # that is specifically looking for a cinderv2 type via catalog_info
            self.service_catalog = [s for s in service_catalog
                if s.get('type') in ('image', 'block-storage', 'volumev2',
                                     'volumev3', 'key-manager', 'placement',
                                     'network')]
        else:
            # if list is empty or none
            self.service_catalog = []

        self.instance_lock_checked = instance_lock_checked

        # NOTE(markmc): this attribute is currently only used by the
        # rs_limits turnstile pre-processor.
        # See https://lists.launchpad.net/openstack/msg12200.html
        self.quota_class = quota_class

        # NOTE(dheeraj): The following attributes are used by cellsv2 to store
        # connection information for connecting to the target cell.
        # It is only manipulated using the target_cell contextmanager
        # provided by this module
        self.db_connection = None
        self.mq_connection = None

        self.user_auth_plugin = user_auth_plugin
        if self.is_admin is None:
            self.is_admin = policy.check_is_admin(self)
コード例 #4
0
ファイル: context.py プロジェクト: stgleb/nova
    def __init__(self, user_id=None, project_id=None, is_admin=None,
                 read_deleted="no", remote_address=None, timestamp=None,
                 quota_class=None, user_name=None, project_name=None,
                 service_catalog=None, instance_lock_checked=False,
                 user_auth_plugin=None, **kwargs):
        """:param read_deleted: 'no' indicates deleted records are hidden,
                'yes' indicates deleted records are visible,
                'only' indicates that *only* deleted records are visible.

           :param overwrite: Set to False to ensure that the greenthread local
                copy of the index is not overwritten.

           :param user_auth_plugin: The auth plugin for the current request's
                authentication data.
        """
        if user_id:
            kwargs['user'] = user_id
        if project_id:
            kwargs['tenant'] = project_id

        super(RequestContext, self).__init__(is_admin=is_admin, **kwargs)

        self.read_deleted = read_deleted
        self.remote_address = remote_address
        if not timestamp:
            timestamp = timeutils.utcnow()
        if isinstance(timestamp, six.string_types):
            timestamp = timeutils.parse_strtime(timestamp)
        self.timestamp = timestamp

        if service_catalog:
            # Only include required parts of service_catalog
            self.service_catalog = [s for s in service_catalog
                if s.get('type') in ('volume', 'volumev2', 'key-manager',
                                     'placement')]
        else:
            # if list is empty or none
            self.service_catalog = []

        self.instance_lock_checked = instance_lock_checked

        # NOTE(markmc): this attribute is currently only used by the
        # rs_limits turnstile pre-processor.
        # See https://lists.launchpad.net/openstack/msg12200.html
        self.quota_class = quota_class
        self.user_name = user_name
        self.project_name = project_name

        # NOTE(dheeraj): The following attributes are used by cellsv2 to store
        # connection information for connecting to the target cell.
        # It is only manipulated using the target_cell contextmanager
        # provided by this module
        self.db_connection = None
        self.mq_connection = None

        self.user_auth_plugin = user_auth_plugin
        if self.is_admin is None:
            self.is_admin = policy.check_is_admin(self)
コード例 #5
0
 def test_check_is_admin(self):
     ctxt = context.RequestContext(user_id='fake-user',
                                   project_id='fake-project')
     with mock.patch('oslo_policy.policy.Enforcer.authorize') as mock_auth:
         result = policy.check_is_admin(ctxt)
     self.assertEqual(mock_auth.return_value, result)
     mock_auth.assert_called_once_with('context_is_admin', {
         'user_id': 'fake-user',
         'project_id': 'fake-project'
     }, ctxt)
コード例 #6
0
ファイル: context.py プロジェクト: B-Rich/nova-1
    def __init__(self, user_id, project_id, is_admin=None, read_deleted="no",
                 roles=None, remote_address=None, timestamp=None,
                 request_id=None, auth_token=None, overwrite=True,
                 user_name=None, project_name=None,
                 service_catalog=None, instance_lock_checked=False, **kwargs):
        """:param read_deleted: 'no' indicates deleted records are hidden,
                'yes' indicates deleted records are visible,
                'only' indicates that *only* deleted records are visible.


           :param overwrite: Set to False to ensure that the greenthread local
                copy of the index is not overwritten.

           :param kwargs: Extra arguments that might be present, but we ignore
                because they possibly came in from older rpc messages.
        """
        if kwargs:
            LOG.warn(_('Arguments dropped when creating context: %s') %
                    str(kwargs))

        self.user_id = user_id
        self.project_id = project_id
        self.roles = roles or []
        self.read_deleted = read_deleted
        self.remote_address = remote_address
        if not timestamp:
            timestamp = timeutils.utcnow()
        if isinstance(timestamp, six.string_types):
            timestamp = timeutils.parse_strtime(timestamp)
        self.timestamp = timestamp
        if not request_id:
            request_id = generate_request_id()
        self.request_id = request_id
        self.auth_token = auth_token

        if service_catalog:
            # Only include required parts of service_catalog
            self.service_catalog = [s for s in service_catalog
                if s.get('type') in ('volume',)]
        else:
            # if list is empty or none
            self.service_catalog = []

        self.instance_lock_checked = instance_lock_checked

        self.user_name = user_name
        self.project_name = project_name
        self.is_admin = is_admin
        if self.is_admin is None:
            self.is_admin = policy.check_is_admin(self)
        if overwrite or not hasattr(local.store, 'context'):
            self.update_store()
コード例 #7
0
ファイル: context.py プロジェクト: woraser/nova
    def __init__(self, user_id=None, project_id=None, is_admin=None,
                 read_deleted="no", remote_address=None, timestamp=None,
                 quota_class=None, service_catalog=None,
                 user_auth_plugin=None, **kwargs):
        """:param read_deleted: 'no' indicates deleted records are hidden,
                'yes' indicates deleted records are visible,
                'only' indicates that *only* deleted records are visible.

           :param overwrite: Set to False to ensure that the greenthread local
                copy of the index is not overwritten.

           :param instance_lock_checked: This is not used and will be removed
                in a future release.

           :param user_auth_plugin: The auth plugin for the current request's
                authentication data.
        """
        if user_id:
            kwargs['user_id'] = user_id
        if project_id:
            kwargs['project_id'] = project_id

        if kwargs.pop('instance_lock_checked', None) is not None:
            # TODO(mriedem): Let this be a hard failure in 19.0.0 (S).
            warnings.warn("The 'instance_lock_checked' kwarg to "
                          "nova.context.RequestContext is no longer used and "
                          "will be removed in a future version.")

        super(RequestContext, self).__init__(is_admin=is_admin, **kwargs)

        self.read_deleted = read_deleted
        self.remote_address = remote_address
        if not timestamp:
            timestamp = timeutils.utcnow()
        if isinstance(timestamp, six.string_types):
            timestamp = timeutils.parse_strtime(timestamp)
        self.timestamp = timestamp

        if service_catalog:
            # Only include required parts of service_catalog
            self.service_catalog = [s for s in service_catalog
                if s.get('type') in ('image', 'block-storage', 'volumev3',
                                     'key-manager', 'placement', 'network')]
        else:
            # if list is empty or none
            self.service_catalog = []

        # NOTE(markmc): this attribute is currently only used by the
        # rs_limits turnstile pre-processor.
        # See https://lists.launchpad.net/openstack/msg12200.html
        self.quota_class = quota_class

        # NOTE(dheeraj): The following attributes are used by cellsv2 to store
        # connection information for connecting to the target cell.
        # It is only manipulated using the target_cell contextmanager
        # provided by this module
        self.db_connection = None
        self.mq_connection = None
        self.cell_uuid = None

        self.user_auth_plugin = user_auth_plugin
        if self.is_admin is None:
            self.is_admin = policy.check_is_admin(self)
コード例 #8
0
ファイル: context.py プロジェクト: arbrandes/nova
    def __init__(self, user_id=None, project_id=None, is_admin=None,
                 read_deleted="no", remote_address=None, timestamp=None,
                 quota_class=None, service_catalog=None,
                 user_auth_plugin=None, **kwargs):
        """:param read_deleted: 'no' indicates deleted records are hidden,
                'yes' indicates deleted records are visible,
                'only' indicates that *only* deleted records are visible.

           :param overwrite: Set to False to ensure that the greenthread local
                copy of the index is not overwritten.

           :param instance_lock_checked: This is not used and will be removed
                in a future release.

           :param user_auth_plugin: The auth plugin for the current request's
                authentication data.
        """
        if user_id:
            kwargs['user_id'] = user_id
        if project_id:
            kwargs['project_id'] = project_id

        if kwargs.pop('instance_lock_checked', None) is not None:
            # TODO(mriedem): Let this be a hard failure in 19.0.0 (S).
            warnings.warn("The 'instance_lock_checked' kwarg to "
                          "nova.context.RequestContext is no longer used and "
                          "will be removed in a future version.")

        super(RequestContext, self).__init__(is_admin=is_admin, **kwargs)

        self.read_deleted = read_deleted
        self.remote_address = remote_address
        if not timestamp:
            timestamp = timeutils.utcnow()
        if isinstance(timestamp, six.string_types):
            timestamp = timeutils.parse_strtime(timestamp)
        self.timestamp = timestamp

        if service_catalog:
            # Only include required parts of service_catalog
            self.service_catalog = [s for s in service_catalog
                if s.get('type') in ('image', 'block-storage', 'volumev3',
                                     'key-manager', 'placement', 'network')]
        else:
            # if list is empty or none
            self.service_catalog = []

        # NOTE(markmc): this attribute is currently only used by the
        # rs_limits turnstile pre-processor.
        # See https://lists.launchpad.net/openstack/msg12200.html
        self.quota_class = quota_class

        # NOTE(dheeraj): The following attributes are used by cellsv2 to store
        # connection information for connecting to the target cell.
        # It is only manipulated using the target_cell contextmanager
        # provided by this module
        self.db_connection = None
        self.mq_connection = None
        self.cell_uuid = None

        self.user_auth_plugin = user_auth_plugin
        if self.is_admin is None:
            self.is_admin = policy.check_is_admin(self)
コード例 #9
0
    def __init__(self, user_id=None, project_id=None,
                 is_admin=None, read_deleted="no",
                 roles=None, remote_address=None, timestamp=None,
                 request_id=None, auth_token=None, overwrite=True,
                 quota_class=None, user_name=None, project_name=None,
                 service_catalog=None, instance_lock_checked=False,
                 user_auth_plugin=None, **kwargs):
        """:param read_deleted: 'no' indicates deleted records are hidden,
                'yes' indicates deleted records are visible,
                'only' indicates that *only* deleted records are visible.

           :param overwrite: Set to False to ensure that the greenthread local
                copy of the index is not overwritten.

           :param user_auth_plugin: The auth plugin for the current request's
                authentication data.

           :param kwargs: Extra arguments that might be present, but we ignore
                because they possibly came in from older rpc messages.
        """
        user = kwargs.pop('user', None)
        tenant = kwargs.pop('tenant', None)
        super(RequestContext, self).__init__(
            auth_token=auth_token,
            user=user_id or user,
            tenant=project_id or tenant,
            domain=kwargs.pop('domain', None),
            user_domain=kwargs.pop('user_domain', None),
            project_domain=kwargs.pop('project_domain', None),
            is_admin=is_admin,
            read_only=kwargs.pop('read_only', False),
            show_deleted=kwargs.pop('show_deleted', False),
            request_id=request_id,
            resource_uuid=kwargs.pop('resource_uuid', None),
            overwrite=overwrite)
        # oslo_context's RequestContext.to_dict() generates this field, we can
        # safely ignore this as we don't use it.
        kwargs.pop('user_identity', None)
        if kwargs:
            LOG.warning(_LW('Arguments dropped when creating context: %s') %
                        str(kwargs))

        # FIXME(dims): user_id and project_id duplicate information that is
        # already present in the oslo_context's RequestContext. We need to
        # get rid of them.
        self.user_id = user_id
        self.project_id = project_id
        self.roles = roles or []
        self.read_deleted = read_deleted
        self.remote_address = remote_address
        if not timestamp:
            timestamp = timeutils.utcnow()
        if isinstance(timestamp, six.string_types):
            timestamp = timeutils.parse_strtime(timestamp)
        self.timestamp = timestamp

        if service_catalog:
            # Only include required parts of service_catalog
            self.service_catalog = [s for s in service_catalog
                if s.get('type') in ('volume', 'volumev2', 'key-manager')]
        else:
            # if list is empty or none
            self.service_catalog = []

        self.instance_lock_checked = instance_lock_checked

        # NOTE(markmc): this attribute is currently only used by the
        # rs_limits turnstile pre-processor.
        # See https://lists.launchpad.net/openstack/msg12200.html
        self.quota_class = quota_class
        self.user_name = user_name
        self.project_name = project_name
        self.is_admin = is_admin
        self.user_auth_plugin = user_auth_plugin
        if self.is_admin is None:
            self.is_admin = policy.check_is_admin(self)
コード例 #10
0
ファイル: context.py プロジェクト: bopopescu/nova-23
    def __init__(self,
                 user_id,
                 project_id,
                 is_admin=None,
                 read_deleted="no",
                 roles=None,
                 remote_address=None,
                 timestamp=None,
                 request_id=None,
                 auth_token=None,
                 overwrite=True,
                 user_name=None,
                 project_name=None,
                 service_catalog=None,
                 instance_lock_checked=False,
                 **kwargs):
        """:param read_deleted: 'no' indicates deleted records are hidden,
                'yes' indicates deleted records are visible,
                'only' indicates that *only* deleted records are visible.


           :param overwrite: Set to False to ensure that the greenthread local
                copy of the index is not overwritten.

           :param kwargs: Extra arguments that might be present, but we ignore
                because they possibly came in from older rpc messages.
        """
        if kwargs:
            LOG.warn(
                _('Arguments dropped when creating context: %s') % str(kwargs))

        self.user_id = user_id
        self.project_id = project_id
        self.roles = roles or []
        self.read_deleted = read_deleted
        self.remote_address = remote_address
        if not timestamp:
            timestamp = timeutils.utcnow()
        if isinstance(timestamp, six.string_types):
            timestamp = timeutils.parse_strtime(timestamp)
        self.timestamp = timestamp
        if not request_id:
            request_id = generate_request_id()
        self.request_id = request_id
        self.auth_token = auth_token

        if service_catalog:
            # Only include required parts of service_catalog
            self.service_catalog = [
                s for s in service_catalog if s.get('type') in ('volume', )
            ]
        else:
            # if list is empty or none
            self.service_catalog = []

        self.instance_lock_checked = instance_lock_checked

        self.user_name = user_name
        self.project_name = project_name
        self.is_admin = is_admin
        if self.is_admin is None:
            self.is_admin = policy.check_is_admin(self)
        if overwrite or not hasattr(local.store, 'context'):
            self.update_store()
コード例 #11
0
ファイル: context.py プロジェクト: zhouyang1222/nova
    def __init__(self, user_id=None, project_id=None,
                 is_admin=None, read_deleted="no",
                 roles=None, remote_address=None, timestamp=None,
                 request_id=None, auth_token=None, overwrite=True,
                 quota_class=None, user_name=None, project_name=None,
                 service_catalog=None, instance_lock_checked=False,
                 user_auth_plugin=None, **kwargs):
        """:param read_deleted: 'no' indicates deleted records are hidden,
                'yes' indicates deleted records are visible,
                'only' indicates that *only* deleted records are visible.

           :param overwrite: Set to False to ensure that the greenthread local
                copy of the index is not overwritten.

           :param user_auth_plugin: The auth plugin for the current request's
                authentication data.

           :param kwargs: Extra arguments that might be present, but we ignore
                because they possibly came in from older rpc messages.
        """
        user = kwargs.pop('user', None)
        tenant = kwargs.pop('tenant', None)
        super(RequestContext, self).__init__(
            auth_token=auth_token,
            user=user_id or user,
            tenant=project_id or tenant,
            domain=kwargs.pop('domain', None),
            user_domain=kwargs.pop('user_domain', None),
            project_domain=kwargs.pop('project_domain', None),
            is_admin=is_admin,
            read_only=kwargs.pop('read_only', False),
            show_deleted=kwargs.pop('show_deleted', False),
            request_id=request_id,
            resource_uuid=kwargs.pop('resource_uuid', None),
            overwrite=overwrite,
            roles=roles)
        # oslo_context's RequestContext.to_dict() generates this field, we can
        # safely ignore this as we don't use it.
        kwargs.pop('user_identity', None)
        if kwargs:
            LOG.warning(_LW('Arguments dropped when creating context: %s'),
                        str(kwargs))

        # FIXME(dims): user_id and project_id duplicate information that is
        # already present in the oslo_context's RequestContext. We need to
        # get rid of them.
        self.user_id = user_id
        self.project_id = project_id
        self.read_deleted = read_deleted
        self.remote_address = remote_address
        if not timestamp:
            timestamp = timeutils.utcnow()
        if isinstance(timestamp, six.string_types):
            timestamp = timeutils.parse_strtime(timestamp)
        self.timestamp = timestamp

        if service_catalog:
            # Only include required parts of service_catalog
            self.service_catalog = [s for s in service_catalog
                if s.get('type') in ('volume', 'volumev2', 'key-manager')]
        else:
            # if list is empty or none
            self.service_catalog = []

        self.instance_lock_checked = instance_lock_checked

        # NOTE(markmc): this attribute is currently only used by the
        # rs_limits turnstile pre-processor.
        # See https://lists.launchpad.net/openstack/msg12200.html
        self.quota_class = quota_class
        self.user_name = user_name
        self.project_name = project_name
        self.is_admin = is_admin

        # NOTE(dheeraj): The following attributes are used by cellsv2 to store
        # connection information for connecting to the target cell.
        # It is only manipulated using the target_cell contextmanager
        # provided by this module
        self.db_connection = None
        self.mq_connection = None

        self.user_auth_plugin = user_auth_plugin
        if self.is_admin is None:
            self.is_admin = policy.check_is_admin(self)
コード例 #12
0
    def __init__(self,
                 user_id=None,
                 project_id=None,
                 is_admin=None,
                 read_deleted="no",
                 remote_address=None,
                 timestamp=None,
                 quota_class=None,
                 user_name=None,
                 project_name=None,
                 service_catalog=None,
                 instance_lock_checked=False,
                 user_auth_plugin=None,
                 **kwargs):
        """:param read_deleted: 'no' indicates deleted records are hidden,
                'yes' indicates deleted records are visible,
                'only' indicates that *only* deleted records are visible.

           :param overwrite: Set to False to ensure that the greenthread local
                copy of the index is not overwritten.

           :param user_auth_plugin: The auth plugin for the current request's
                authentication data.
        """
        if user_id:
            kwargs['user'] = user_id
        if project_id:
            kwargs['tenant'] = project_id

        super(RequestContext, self).__init__(is_admin=is_admin, **kwargs)

        # FIXME(dims): user_id and project_id duplicate information that is
        # already present in the oslo_context's RequestContext. We need to
        # get rid of them.
        self.user_id = user_id
        self.project_id = project_id
        self.read_deleted = read_deleted
        self.remote_address = remote_address
        if not timestamp:
            timestamp = timeutils.utcnow()
        if isinstance(timestamp, six.string_types):
            timestamp = timeutils.parse_strtime(timestamp)
        self.timestamp = timestamp

        if service_catalog:
            # Only include required parts of service_catalog
            self.service_catalog = [
                s for s in service_catalog
                if s.get('type') in ('volume', 'volumev2', 'key-manager')
            ]
        else:
            # if list is empty or none
            self.service_catalog = []

        self.instance_lock_checked = instance_lock_checked

        # NOTE(markmc): this attribute is currently only used by the
        # rs_limits turnstile pre-processor.
        # See https://lists.launchpad.net/openstack/msg12200.html
        self.quota_class = quota_class
        self.user_name = user_name
        self.project_name = project_name

        # NOTE(dheeraj): The following attributes are used by cellsv2 to store
        # connection information for connecting to the target cell.
        # It is only manipulated using the target_cell contextmanager
        # provided by this module
        self.db_connection = None
        self.mq_connection = None

        self.user_auth_plugin = user_auth_plugin
        if self.is_admin is None:
            self.is_admin = policy.check_is_admin(self)