39694623e4
This patch implements the spec of creating volume from backup. Change-Id: Icdc6c7606c43243a9e12d7a42df293b729f589e5 Partial-Implements: blueprint support-create-volume-from-backup
144 lines
6.0 KiB
Python
144 lines
6.0 KiB
Python
# Copyright 2016 Intel Corporation
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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 versionutils
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from oslo_versionedobjects import fields
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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 RequestSpec(base.CinderObject, base.CinderObjectDictCompat,
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base.CinderComparableObject):
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# Version 1.0: Initial version
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# Version 1.1: Added group_id and group_backend
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# Version 1.2 Added ``resource_backend``
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# Version 1.3: Added backup_id
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VERSION = '1.3'
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fields = {
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'consistencygroup_id': fields.UUIDField(nullable=True),
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'group_id': fields.UUIDField(nullable=True),
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'cgsnapshot_id': fields.UUIDField(nullable=True),
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'image_id': fields.UUIDField(nullable=True),
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'snapshot_id': fields.UUIDField(nullable=True),
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'source_replicaid': fields.UUIDField(nullable=True),
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'source_volid': fields.UUIDField(nullable=True),
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'volume_id': fields.UUIDField(nullable=True),
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'volume': fields.ObjectField('Volume', nullable=True),
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'volume_type': fields.ObjectField('VolumeType', nullable=True),
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'volume_properties': fields.ObjectField('VolumeProperties',
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nullable=True),
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'CG_backend': fields.StringField(nullable=True),
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'group_backend': fields.StringField(nullable=True),
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'resource_backend': fields.StringField(nullable=True),
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'backup_id': fields.UUIDField(nullable=True),
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}
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obj_extra_fields = ['resource_properties']
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@property
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def resource_properties(self):
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# TODO(dulek): This is to maintain compatibility with filters from
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# oslo-incubator. As we've moved them into our codebase we should adapt
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# them to use volume_properties and remove this shim.
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return self.volume_properties
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@classmethod
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def from_primitives(cls, spec):
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"""Returns RequestSpec object creating it from legacy dictionary.
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FIXME(dulek): This should go away in early O as we stop supporting
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backward compatibility with M.
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"""
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spec = spec.copy()
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spec_obj = cls()
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vol_props = spec.pop('volume_properties', {})
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if vol_props is not None:
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vol_props = VolumeProperties(**vol_props)
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spec_obj.volume_properties = vol_props
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if 'volume' in spec:
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vol = spec.pop('volume', {})
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vol.pop('name', None)
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if vol is not None:
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vol = objects.Volume(**vol)
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spec_obj.volume = vol
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if 'volume_type' in spec:
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vol_type = spec.pop('volume_type', {})
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if vol_type is not None:
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vol_type = objects.VolumeType(**vol_type)
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spec_obj.volume_type = vol_type
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spec.pop('resource_properties', None)
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for k, v in spec.items():
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setattr(spec_obj, k, v)
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return spec_obj
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def obj_make_compatible(self, primitive, target_version):
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"""Make an object representation compatible with target version."""
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super(RequestSpec, self).obj_make_compatible(primitive, target_version)
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target_version = versionutils.convert_version_to_tuple(target_version)
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added_fields = (((1, 1), ('group_id', 'group_backend')),
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((1, 2), ('resource_backend')))
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for version, remove_fields in added_fields:
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if target_version < version:
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for obj_field in remove_fields:
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primitive.pop(obj_field, None)
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@base.CinderObjectRegistry.register
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class VolumeProperties(base.CinderObject, base.CinderObjectDictCompat):
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# Version 1.0: Initial version
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# Version 1.1: Added group_id and group_type_id
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VERSION = '1.1'
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# TODO(dulek): We should add this to initially move volume_properites to
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# ovo, but this should be removed as soon as possible. Most of the data
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# here is already in request_spec and volume there. Outstanding ones would
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# be reservation, and qos_specs. First one may be moved to request_spec and
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# second added as relationship in volume_type field and whole
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# volume_properties (and resource_properties) in request_spec won't be
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# needed.
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fields = {
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'attach_status': fields.StringField(nullable=True),
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'availability_zone': fields.StringField(nullable=True),
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'cgsnapshot_id': fields.UUIDField(nullable=True),
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'consistencygroup_id': fields.UUIDField(nullable=True),
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'group_id': fields.UUIDField(nullable=True),
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'display_description': fields.StringField(nullable=True),
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'display_name': fields.StringField(nullable=True),
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'encryption_key_id': fields.UUIDField(nullable=True),
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'metadata': fields.DictOfStringsField(nullable=True),
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'multiattach': fields.BooleanField(nullable=True),
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'project_id': fields.StringField(nullable=True),
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'qos_specs': fields.DictOfStringsField(nullable=True),
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'replication_status': fields.StringField(nullable=True),
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'reservations': fields.ListOfStringsField(nullable=True),
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'size': fields.IntegerField(nullable=True),
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'snapshot_id': fields.UUIDField(nullable=True),
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'source_replicaid': fields.UUIDField(nullable=True),
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'source_volid': fields.UUIDField(nullable=True),
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'status': fields.StringField(nullable=True),
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'user_id': fields.StringField(nullable=True),
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'volume_type_id': fields.UUIDField(nullable=True),
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'group_type_id': fields.UUIDField(nullable=True),
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}
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