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OpenStack Study: virtual_interface.py**** CubicPower OpenStack Study ****
# Copyright (C) 2014, Red Hat, Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. from nova import db from nova import exception from nova.objects import base from nova.objects import fields
**** CubicPower OpenStack Study **** class VirtualInterface(base.NovaPersistentObject, base.NovaObject): # Version 1.0: Initial version VERSION = '1.0' fields = { 'id': fields.IntegerField(), 'address': fields.StringField(nullable=True), 'network_id': fields.IntegerField(), 'instance_uuid': fields.UUIDField(), 'uuid': fields.UUIDField(), } @staticmethod
**** CubicPower OpenStack Study **** def _from_db_object(context, vif, db_vif): for field in vif.fields: vif[field] = db_vif[field] vif._context = context vif.obj_reset_changes() return vif @base.remotable_classmethod
**** CubicPower OpenStack Study **** def get_by_id(cls, context, vif_id): db_vif = db.virtual_interface_get(context, vif_id) if db_vif: return cls._from_db_object(context, cls(), db_vif) @base.remotable_classmethod
**** CubicPower OpenStack Study **** def get_by_uuid(cls, context, vif_uuid): db_vif = db.virtual_interface_get_by_uuid(context, vif_uuid) if db_vif: return cls._from_db_object(context, cls(), db_vif) @base.remotable_classmethod
**** CubicPower OpenStack Study **** def get_by_address(cls, context, address): db_vif = db.virtual_interface_get_by_address(context, address) if db_vif: return cls._from_db_object(context, cls(), db_vif) @base.remotable_classmethod
**** CubicPower OpenStack Study **** def get_by_instance_and_network(cls, context, instance_uuid, network_id): db_vif = db.virtual_interface_get_by_instance_and_network(context, instance_uuid, network_id) if db_vif: return cls._from_db_object(context, cls(), db_vif) @base.remotable
**** CubicPower OpenStack Study **** def create(self, context): if self.obj_attr_is_set('id'): raise exception.ObjectActionError(action='create', reason='already created') updates = self.obj_get_changes() db_vif = db.virtual_interface_create(context, updates) self._from_db_object(context, self, db_vif) @base.remotable_classmethod
**** CubicPower OpenStack Study **** def delete_by_instance_uuid(cls, context, instance_uuid): db.virtual_interface_delete_by_instance(context, instance_uuid)
**** CubicPower OpenStack Study **** class VirtualInterfaceList(base.ObjectListBase, base.NovaObject): # Version 1.0: Initial version VERSION = '1.0' fields = { 'objects': fields.ListOfObjectsField('VirtualInterface'), } child_versions = { '1.0': '1.0', } @base.remotable_classmethod
**** CubicPower OpenStack Study **** def get_all(cls, context): db_vifs = db.virtual_interface_get_all(context) return base.obj_make_list(context, cls(), VirtualInterface, db_vifs) @base.remotable_classmethod
**** CubicPower OpenStack Study **** def get_by_instance_uuid(cls, context, instance_uuid, use_slave=False): db_vifs = db.virtual_interface_get_by_instance(context, instance_uuid, use_slave=use_slave) return base.obj_make_list(context, cls(), VirtualInterface, db_vifs)
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