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# 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 oslo_serialization import jsonutils
from nova.db.main import api as db
from nova.objects import base
from nova.objects import fields
@base.NovaObjectRegistry.register
class VirtCPUModel(base.NovaObject):
# Version 1.0: Initial version
VERSION = '1.0'
fields = {
'arch': fields.ArchitectureField(nullable=True),
'vendor': fields.StringField(nullable=True),
'topology': fields.ObjectField('VirtCPUTopology',
nullable=True),
'features': fields.ListOfObjectsField("VirtCPUFeature",
default=[]),
'mode': fields.CPUModeField(nullable=True),
'model': fields.StringField(nullable=True),
'match': fields.CPUMatchField(nullable=True),
}
def obj_load_attr(self, attrname):
setattr(self, attrname, None)
def to_json(self):
return jsonutils.dumps(self.obj_to_primitive())
@classmethod
def from_json(cls, jsonstr):
return cls.obj_from_primitive(jsonutils.loads(jsonstr))
@base.remotable_classmethod
def get_by_instance_uuid(cls, context, instance_uuid):
db_extra = db.instance_extra_get_by_instance_uuid(
context, instance_uuid, columns=['vcpu_model'])
if not db_extra or not db_extra['vcpu_model']:
return None
return cls.obj_from_primitive(jsonutils.loads(db_extra['vcpu_model']))
@base.NovaObjectRegistry.register
class VirtCPUFeature(base.NovaObject):
VERSION = '1.0'
fields = {
'policy': fields.CPUFeaturePolicyField(nullable=True),
'name': fields.StringField(nullable=False),
}
def obj_load_attr(self, attrname):
setattr(self, attrname, None)
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