121 lines
4.6 KiB
Python
121 lines
4.6 KiB
Python
# 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.
|
|
|
|
import itertools
|
|
|
|
from oslo_log import log as logging
|
|
|
|
from nova.cells import opts as cells_opts
|
|
from nova.cells import rpcapi as cells_rpcapi
|
|
from nova import db
|
|
from nova import exception
|
|
from nova import objects
|
|
from nova.objects import base
|
|
from nova.objects import fields
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
# TODO(berrange): Remove NovaObjectDictCompat
|
|
@base.NovaObjectRegistry.register
|
|
class InstanceFault(base.NovaPersistentObject, base.NovaObject,
|
|
base.NovaObjectDictCompat):
|
|
# Version 1.0: Initial version
|
|
# Version 1.1: String attributes updated to support unicode
|
|
# Version 1.2: Added create()
|
|
VERSION = '1.2'
|
|
|
|
fields = {
|
|
'id': fields.IntegerField(),
|
|
'instance_uuid': fields.UUIDField(),
|
|
'code': fields.IntegerField(),
|
|
'message': fields.StringField(nullable=True),
|
|
'details': fields.StringField(nullable=True),
|
|
'host': fields.StringField(nullable=True),
|
|
}
|
|
|
|
@staticmethod
|
|
def _from_db_object(context, fault, db_fault):
|
|
# NOTE(danms): These are identical right now
|
|
for key in fault.fields:
|
|
fault[key] = db_fault[key]
|
|
fault._context = context
|
|
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(context, cls(),
|
|
db_faults[instance_uuid][0])
|
|
|
|
@base.remotable
|
|
def create(self):
|
|
if self.obj_attr_is_set('id'):
|
|
raise exception.ObjectActionError(action='create',
|
|
reason='already created')
|
|
values = {
|
|
'instance_uuid': self.instance_uuid,
|
|
'code': self.code,
|
|
'message': self.message,
|
|
'details': self.details,
|
|
'host': self.host,
|
|
}
|
|
db_fault = db.instance_fault_create(self._context, values)
|
|
self._from_db_object(self._context, self, db_fault)
|
|
self.obj_reset_changes()
|
|
# Cells should only try sending a message over to nova-cells
|
|
# if cells is enabled and we're not the API cell. Otherwise,
|
|
# if the API cell is calling this, we could end up with
|
|
# infinite recursion.
|
|
if cells_opts.get_cell_type() == 'compute':
|
|
try:
|
|
cells_rpcapi.CellsAPI().instance_fault_create_at_top(
|
|
self._context, db_fault)
|
|
except Exception:
|
|
LOG.exception("Failed to notify cells of instance fault")
|
|
|
|
|
|
@base.NovaObjectRegistry.register
|
|
class InstanceFaultList(base.ObjectListBase, base.NovaObject):
|
|
# Version 1.0: Initial version
|
|
# InstanceFault <= version 1.1
|
|
# Version 1.1: InstanceFault version 1.2
|
|
# Version 1.2: Added get_latest_by_instance_uuids() method
|
|
VERSION = '1.2'
|
|
|
|
fields = {
|
|
'objects': fields.ListOfObjectsField('InstanceFault'),
|
|
}
|
|
|
|
@base.remotable_classmethod
|
|
def get_latest_by_instance_uuids(cls, context, instance_uuids):
|
|
db_faultdict = db.instance_fault_get_by_instance_uuids(context,
|
|
instance_uuids,
|
|
latest=True)
|
|
db_faultlist = itertools.chain(*db_faultdict.values())
|
|
return base.obj_make_list(context, cls(context), objects.InstanceFault,
|
|
db_faultlist)
|
|
|
|
@base.remotable_classmethod
|
|
def get_by_instance_uuids(cls, context, instance_uuids):
|
|
db_faultdict = db.instance_fault_get_by_instance_uuids(context,
|
|
instance_uuids)
|
|
db_faultlist = itertools.chain(*db_faultdict.values())
|
|
return base.obj_make_list(context, cls(context), objects.InstanceFault,
|
|
db_faultlist)
|