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# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
# All Rights Reserved.
#
# 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_utils import versionutils
from nova.objects import base
from nova.objects import fields
@base.NovaObjectRegistry.register
class HVSpec(base.NovaObject):
# Version 1.0: Initial version
# Version 1.1: Added 'vz' hypervisor
# Version 1.2: Added 'lxd' hypervisor
VERSION = '1.2'
fields = {
'arch': fields.ArchitectureField(),
'hv_type': fields.HVTypeField(),
'vm_mode': fields.VMModeField(),
}
# NOTE(pmurray): for backward compatibility, the supported instance
# data is stored in the database as a list.
@classmethod
def from_list(cls, data):
return cls(arch=data[0],
hv_type=data[1],
vm_mode=data[2])
def to_list(self):
return [self.arch, self.hv_type, self.vm_mode]
def obj_make_compatible(self, primitive, target_version):
super(HVSpec, self).obj_make_compatible(primitive, target_version)
target_version = versionutils.convert_version_to_tuple(target_version)
if (target_version < (1, 1) and 'hv_type' in primitive and
fields.HVType.VIRTUOZZO == primitive['hv_type']):
primitive['hv_type'] = fields.HVType.PARALLELS
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