def get_by_instance_uuid(cls, context, instance_uuid):
db_extra = db.instance_extra_get_by_instance_uuid(
context, instance_uuid, columns=['numa_topology'])
if not db_extra:
raise exception.NumaTopologyNotFound(instance_uuid=instance_uuid)
if db_extra['numa_topology'] is None:
return None
return cls.obj_from_db_obj(instance_uuid, db_extra['numa_topology'])
def get_by_instance_uuid(cls, context, instance_uuid):
db_topology = db.instance_extra_get_by_instance_uuid(
context, instance_uuid)
if not db_topology:
raise exception.NumaTopologyNotFound(instance_uuid=instance_uuid)
topo = hardware.VirtNUMAInstanceTopology.from_json(
db_topology['numa_topology'])
obj_topology = cls.obj_from_topology(topo)
obj_topology.id = db_topology['id']
obj_topology.instance_uuid = db_topology['instance_uuid']
# NOTE (ndipanov) not really needed as we never save, but left for
# consistency
obj_topology.obj_reset_changes()
return obj_topology
