96 lines
3.4 KiB
Python
96 lines
3.4 KiB
Python
# Copyright 2017 Huawei Technologies Co.,LTD.
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# All Rights Reserved.
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#
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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 base as object_base
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from mogan.db import api as dbapi
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from mogan.objects import base
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from mogan.objects import fields as object_fields
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@base.MoganObjectRegistry.register
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class ComputeDisk(base.MoganObject, object_base.VersionedObjectDictCompat):
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# Version 1.0: Initial version
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VERSION = '1.0'
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dbapi = dbapi.get_instance()
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fields = {
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'id': object_fields.IntegerField(read_only=True),
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'disk_type': object_fields.StringField(),
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'size_gb': object_fields.IntegerField(),
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'disk_uuid': object_fields.UUIDField(read_only=True),
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'node_uuid': object_fields.UUIDField(read_only=True),
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'extra_specs': object_fields.FlexibleDictField(nullable=True),
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}
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@classmethod
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def list(cls, context):
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"""Return a list of ComputeDisk objects."""
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db_compute_disks = cls.dbapi.compute_disk_get_all(context)
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return cls._from_db_object_list(context, db_compute_disks)
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@classmethod
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def get(cls, context, disk_uuid):
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"""Find a compute disk and return a ComputeDisk object."""
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db_compute_disk = cls.dbapi.compute_disk_get(context, disk_uuid)
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compute_disk = cls._from_db_object(context, cls(context),
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db_compute_disk)
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return compute_disk
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def create(self, context=None):
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"""Create a ComputeDisk record in the DB."""
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values = self.obj_get_changes()
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db_compute_disk = self.dbapi.compute_disk_create(context, values)
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self._from_db_object(context, self, db_compute_disk)
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def destroy(self, context=None):
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"""Delete the ComputeDisk from the DB."""
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self.dbapi.compute_disk_destroy(context, self.disk_uuid)
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self.obj_reset_changes()
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def save(self, context=None):
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"""Save updates to this ComputeDisk."""
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updates = self.obj_get_changes()
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self.dbapi.compute_disk_update(context, self.disk_uuid, updates)
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self.obj_reset_changes()
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def refresh(self, context=None):
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"""Refresh the object by re-fetching from the DB."""
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current = self.__class__.get(context, self.disk_uuid)
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self.obj_refresh(current)
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@base.MoganObjectRegistry.register
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class ComputeDiskList(object_base.ObjectListBase, base.MoganObject,
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object_base.VersionedObjectDictCompat):
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# Version 1.0: Initial version
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VERSION = '1.0'
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dbapi = dbapi.get_instance()
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fields = {
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'objects': object_fields.ListOfObjectsField('ComputeDisk')
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}
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@classmethod
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def get_by_node_uuid(cls, context, node_uuid):
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db_disks = cls.dbapi.compute_disk_get_by_node_uuid(
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context, node_uuid)
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return object_base.obj_make_list(context, cls(context),
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ComputeDisk, db_disks)
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