109 lines
4.1 KiB
Python
109 lines
4.1 KiB
Python
# Copyright 2013 IBM Corp.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import itertools
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from oslo_log import log as logging
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from nova.db import api as db
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from nova import exception
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from nova import objects
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from nova.objects import base
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from nova.objects import fields
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LOG = logging.getLogger(__name__)
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# TODO(berrange): Remove NovaObjectDictCompat
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@base.NovaObjectRegistry.register
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class InstanceFault(base.NovaPersistentObject, base.NovaObject,
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base.NovaObjectDictCompat):
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# Version 1.0: Initial version
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# Version 1.1: String attributes updated to support unicode
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# Version 1.2: Added create()
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VERSION = '1.2'
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fields = {
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'id': fields.IntegerField(),
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'instance_uuid': fields.UUIDField(),
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'code': fields.IntegerField(),
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'message': fields.StringField(nullable=True),
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'details': fields.StringField(nullable=True),
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'host': fields.StringField(nullable=True),
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}
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@staticmethod
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def _from_db_object(context, fault, db_fault):
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# NOTE(danms): These are identical right now
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for key in fault.fields:
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fault[key] = db_fault[key]
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fault._context = context
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fault.obj_reset_changes()
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return fault
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@base.remotable_classmethod
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def get_latest_for_instance(cls, context, instance_uuid):
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db_faults = db.instance_fault_get_by_instance_uuids(context,
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[instance_uuid])
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if instance_uuid in db_faults and db_faults[instance_uuid]:
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return cls._from_db_object(context, cls(),
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db_faults[instance_uuid][0])
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@base.remotable
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def create(self):
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if self.obj_attr_is_set('id'):
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raise exception.ObjectActionError(action='create',
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reason='already created')
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values = {
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'instance_uuid': self.instance_uuid,
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'code': self.code,
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'message': self.message,
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'details': self.details,
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'host': self.host,
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}
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db_fault = db.instance_fault_create(self._context, values)
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self._from_db_object(self._context, self, db_fault)
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self.obj_reset_changes()
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@base.NovaObjectRegistry.register
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class InstanceFaultList(base.ObjectListBase, base.NovaObject):
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# Version 1.0: Initial version
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# InstanceFault <= version 1.1
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# Version 1.1: InstanceFault version 1.2
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# Version 1.2: Added get_latest_by_instance_uuids() method
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VERSION = '1.2'
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fields = {
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'objects': fields.ListOfObjectsField('InstanceFault'),
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}
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@base.remotable_classmethod
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def get_latest_by_instance_uuids(cls, context, instance_uuids):
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db_faultdict = db.instance_fault_get_by_instance_uuids(context,
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instance_uuids,
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latest=True)
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db_faultlist = itertools.chain(*db_faultdict.values())
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return base.obj_make_list(context, cls(context), objects.InstanceFault,
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db_faultlist)
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@base.remotable_classmethod
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def get_by_instance_uuids(cls, context, instance_uuids):
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db_faultdict = db.instance_fault_get_by_instance_uuids(context,
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instance_uuids)
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db_faultlist = itertools.chain(*db_faultdict.values())
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return base.obj_make_list(context, cls(context), objects.InstanceFault,
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db_faultlist)
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