diff options
Diffstat (limited to 'nova/objects/instance_fault.py')
-rw-r--r-- | nova/objects/instance_fault.py | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/nova/objects/instance_fault.py b/nova/objects/instance_fault.py new file mode 100644 index 000000000..d6f7a6140 --- /dev/null +++ b/nova/objects/instance_fault.py @@ -0,0 +1,61 @@ +# 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) |