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