deb-cinder/cinder/objects/volume_attachment.py
Michael Still fdc2c5d86a Cleanup unused conf variables
I noticed in nova that we had a lot of unused conf variables. I
wondered if this was a thing in other projects as well. Turns out
it is.

Change-Id: I2424e32dd4ad61881d9b6a0449e12937ea8151e0
2016-02-16 11:26:06 +11:00

98 lines
3.5 KiB
Python

# Copyright 2015 SimpliVity 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 oslo_log import log as logging
from oslo_versionedobjects import fields
from cinder import db
from cinder import objects
from cinder.objects import base
LOG = logging.getLogger(__name__)
@base.CinderObjectRegistry.register
class VolumeAttachment(base.CinderPersistentObject, base.CinderObject,
base.CinderObjectDictCompat,
base.CinderComparableObject):
# Version 1.0: Initial version
VERSION = '1.0'
fields = {
'id': fields.UUIDField(),
'volume_id': fields.UUIDField(),
'instance_uuid': fields.UUIDField(nullable=True),
'attached_host': fields.StringField(nullable=True),
'mountpoint': fields.StringField(nullable=True),
'attach_time': fields.DateTimeField(nullable=True),
'detach_time': fields.DateTimeField(nullable=True),
'attach_status': fields.StringField(nullable=True),
'attach_mode': fields.StringField(nullable=True),
}
@staticmethod
def _from_db_object(context, attachment, db_attachment):
for name, field in attachment.fields.items():
value = db_attachment.get(name)
if isinstance(field, fields.IntegerField):
value = value or 0
attachment[name] = value
attachment._context = context
attachment.obj_reset_changes()
return attachment
@base.remotable
def save(self):
updates = self.cinder_obj_get_changes()
if updates:
db.volume_attachment_update(self._context, self.id, updates)
self.obj_reset_changes()
@base.CinderObjectRegistry.register
class VolumeAttachmentList(base.ObjectListBase, base.CinderObject):
VERSION = '1.0'
fields = {
'objects': fields.ListOfObjectsField('VolumeAttachment'),
}
child_versions = {
'1.0': '1.0',
}
@base.remotable_classmethod
def get_all_by_volume_id(cls, context, volume_id):
attachments = db.volume_attachment_get_used_by_volume_id(context,
volume_id)
return base.obj_make_list(context, cls(context),
objects.VolumeAttachment, attachments)
@base.remotable_classmethod
def get_all_by_host(cls, context, volume_id, host):
attachments = db.volume_attachment_get_by_host(context, volume_id,
host)
return base.obj_make_list(context, cls(context),
objects.VolumeAttachment, attachments)
@base.remotable_classmethod
def get_all_by_instance_uuid(cls, context, volume_id, instance_uuid):
attachments = db.volume_attachment_get_by_instance_uuid(
context, volume_id, instance_uuid)
return base.obj_make_list(context, cls(context),
objects.VolumeAttachment, attachments)