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# Copyright 2013 IBM Corp.
#
# 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.objects import base
from nova.objects import utils as obj_utils
class InstanceFault(base.NovaObject):
fields = {
'id': int,
'instance_uuid': str,
'code': int,
'message': obj_utils.str_or_none,
'details': obj_utils.str_or_none,
'host': obj_utils.str_or_none,
}
@staticmethod
def _from_db_object(fault, db_fault):
# NOTE(danms): These are identical right now
for key in fault.fields:
fault[key] = db_fault[key]
fault.obj_reset_changes()
return fault
@base.remotable_classmethod
def get_latest_for_instance(cls, context, instance_uuid):
db_faults = db.instance_fault_get_by_instance_uuids(context,
[instance_uuid])
if instance_uuid in db_faults and db_faults[instance_uuid]:
return cls._from_db_object(cls(), db_faults[instance_uuid][0])
def _make_fault_list(faultlist, db_faultlist):
faultlist.objects = []
for instance_uuid in db_faultlist:
for db_fault in db_faultlist[instance_uuid]:
faultlist.objects.append(InstanceFault._from_db_object(
InstanceFault(), db_fault))
faultlist.obj_reset_changes()
return faultlist
class InstanceFaultList(base.ObjectListBase, base.NovaObject):
@base.remotable_classmethod
def get_by_instance_uuids(cls, context, instance_uuids):
db_faults = db.instance_fault_get_by_instance_uuids(context,
instance_uuids)
return _make_fault_list(cls(), db_faults)
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