236 lines
9.3 KiB
Python
236 lines
9.3 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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from oslo_utils import timeutils
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from oslo_utils import versionutils
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from nova.db import api as db
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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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# TODO(berrange): Remove NovaObjectDictCompat
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@base.NovaObjectRegistry.register
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class InstanceAction(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 = '1.1'
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fields = {
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'id': fields.IntegerField(),
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'action': fields.StringField(nullable=True),
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'instance_uuid': fields.UUIDField(nullable=True),
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'request_id': fields.StringField(nullable=True),
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'user_id': fields.StringField(nullable=True),
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'project_id': fields.StringField(nullable=True),
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'start_time': fields.DateTimeField(nullable=True),
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'finish_time': fields.DateTimeField(nullable=True),
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'message': fields.StringField(nullable=True),
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}
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@staticmethod
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def _from_db_object(context, action, db_action):
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for field in action.fields:
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action[field] = db_action[field]
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action._context = context
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action.obj_reset_changes()
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return action
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@staticmethod
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def pack_action_start(context, instance_uuid, action_name):
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values = {'request_id': context.request_id,
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'instance_uuid': instance_uuid,
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'user_id': context.user_id,
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'project_id': context.project_id,
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'action': action_name,
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'start_time': context.timestamp,
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'updated_at': context.timestamp}
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return values
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@staticmethod
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def pack_action_finish(context, instance_uuid):
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utcnow = timeutils.utcnow()
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values = {'request_id': context.request_id,
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'instance_uuid': instance_uuid,
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'finish_time': utcnow,
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'updated_at': utcnow}
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return values
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@base.remotable_classmethod
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def get_by_request_id(cls, context, instance_uuid, request_id):
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db_action = db.action_get_by_request_id(context, instance_uuid,
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request_id)
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if db_action:
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return cls._from_db_object(context, cls(), db_action)
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@base.remotable_classmethod
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def action_start(cls, context, instance_uuid, action_name,
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want_result=True):
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values = cls.pack_action_start(context, instance_uuid, action_name)
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db_action = db.action_start(context, values)
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if want_result:
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return cls._from_db_object(context, cls(), db_action)
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@base.remotable_classmethod
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def action_finish(cls, context, instance_uuid, want_result=True):
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values = cls.pack_action_finish(context, instance_uuid)
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db_action = db.action_finish(context, values)
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if want_result:
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return cls._from_db_object(context, cls(), db_action)
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@base.remotable
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def finish(self):
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values = self.pack_action_finish(self._context, self.instance_uuid)
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db_action = db.action_finish(self._context, values)
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self._from_db_object(self._context, self, db_action)
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@base.NovaObjectRegistry.register
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class InstanceActionList(base.ObjectListBase, base.NovaObject):
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# Version 1.0: Initial version
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# Version 1.1: get_by_instance_uuid added pagination and filters support
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VERSION = '1.1'
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fields = {
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'objects': fields.ListOfObjectsField('InstanceAction'),
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}
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@base.remotable_classmethod
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def get_by_instance_uuid(cls, context, instance_uuid, limit=None,
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marker=None, filters=None):
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db_actions = db.actions_get(
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context, instance_uuid, limit, marker, filters)
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return base.obj_make_list(context, cls(), InstanceAction, db_actions)
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# TODO(berrange): Remove NovaObjectDictCompat
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@base.NovaObjectRegistry.register
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class InstanceActionEvent(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: event_finish_with_failure decorated with serialize_args
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# Version 1.2: Add 'host' field
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VERSION = '1.2'
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fields = {
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'id': fields.IntegerField(),
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'event': fields.StringField(nullable=True),
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'action_id': fields.IntegerField(nullable=True),
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'start_time': fields.DateTimeField(nullable=True),
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'finish_time': fields.DateTimeField(nullable=True),
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'result': fields.StringField(nullable=True),
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'traceback': fields.StringField(nullable=True),
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'host': fields.StringField(nullable=True),
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}
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def obj_make_compatible(self, primitive, target_version):
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target_version = versionutils.convert_version_to_tuple(target_version)
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if target_version < (1, 2) and 'host' in primitive:
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del primitive['host']
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@staticmethod
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def _from_db_object(context, event, db_event):
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for field in event.fields:
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event[field] = db_event[field]
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event._context = context
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event.obj_reset_changes()
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return event
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@staticmethod
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def pack_action_event_start(context, instance_uuid, event_name,
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host=None):
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values = {'event': event_name,
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'instance_uuid': instance_uuid,
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'request_id': context.request_id,
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'start_time': timeutils.utcnow(),
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'host': host}
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return values
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@staticmethod
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def pack_action_event_finish(context, instance_uuid, event_name,
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exc_val=None, exc_tb=None):
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values = {'event': event_name,
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'instance_uuid': instance_uuid,
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'request_id': context.request_id,
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'finish_time': timeutils.utcnow()}
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if exc_tb is None:
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values['result'] = 'Success'
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else:
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values['result'] = 'Error'
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values['message'] = exc_val
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values['traceback'] = exc_tb
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return values
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@base.remotable_classmethod
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def get_by_id(cls, context, action_id, event_id):
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db_event = db.action_event_get_by_id(context, action_id, event_id)
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return cls._from_db_object(context, cls(), db_event)
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@base.remotable_classmethod
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def event_start(cls, context, instance_uuid, event_name, want_result=True,
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host=None):
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values = cls.pack_action_event_start(context, instance_uuid,
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event_name, host=host)
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db_event = db.action_event_start(context, values)
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if want_result:
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return cls._from_db_object(context, cls(), db_event)
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@base.serialize_args
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@base.remotable_classmethod
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def event_finish_with_failure(cls, context, instance_uuid, event_name,
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exc_val=None, exc_tb=None, want_result=None):
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values = cls.pack_action_event_finish(context, instance_uuid,
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event_name, exc_val=exc_val,
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exc_tb=exc_tb)
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db_event = db.action_event_finish(context, values)
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if want_result:
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return cls._from_db_object(context, cls(), db_event)
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@base.remotable_classmethod
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def event_finish(cls, context, instance_uuid, event_name,
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want_result=True):
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return cls.event_finish_with_failure(context, instance_uuid,
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event_name, exc_val=None,
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exc_tb=None,
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want_result=want_result)
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@base.remotable
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def finish_with_failure(self, exc_val, exc_tb):
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values = self.pack_action_event_finish(self._context,
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self.instance_uuid,
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self.event, exc_val=exc_val,
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exc_tb=exc_tb)
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db_event = db.action_event_finish(self._context, values)
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self._from_db_object(self._context, self, db_event)
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@base.remotable
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def finish(self):
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self.finish_with_failure(self._context, exc_val=None, exc_tb=None)
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@base.NovaObjectRegistry.register
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class InstanceActionEventList(base.ObjectListBase, base.NovaObject):
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# Version 1.0: Initial version
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# Version 1.1: InstanceActionEvent <= 1.1
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VERSION = '1.1'
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fields = {
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'objects': fields.ListOfObjectsField('InstanceActionEvent'),
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}
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@base.remotable_classmethod
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def get_by_action(cls, context, action_id):
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db_events = db.action_events_get(context, action_id)
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return base.obj_make_list(context, cls(context),
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objects.InstanceActionEvent, db_events)
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