90 lines
3.2 KiB
Python
90 lines
3.2 KiB
Python
# Copyright 2018 Huawei Technologies Co.,LTD.
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# All Rights Reserved.
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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_log import log as logging
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from oslo_versionedobjects import base as object_base
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from cyborg.common import exception
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from cyborg.db import api as dbapi
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from cyborg.objects import base
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from cyborg.objects import fields as object_fields
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LOG = logging.getLogger(__name__)
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@base.CyborgObjectRegistry.register
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class Attribute(base.CyborgObject, 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(nullable=False),
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'uuid': object_fields.UUIDField(nullable=False),
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'deployable_id': object_fields.IntegerField(nullable=False),
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'key': object_fields.StringField(nullable=False),
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'value': object_fields.StringField(nullable=False)
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}
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def create(self, context):
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"""Create a attribute record in the DB."""
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if self.deployable_id is None:
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raise exception.AttributeInvalid()
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values = self.obj_get_changes()
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db_attr = self.dbapi.attribute_create(context,
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values)
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self._from_db_object(self, db_attr)
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@classmethod
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def get(cls, context, uuid):
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"""Find a DB attribute and return an Obj Deployable."""
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db_attr = cls.dbapi.attribute_get(context, uuid)
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obj_attr = cls._from_db_object(cls(context), db_attr)
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return obj_attr
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@classmethod
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def get_by_deployable_id(cls, context, deployable_id):
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"""Get a attribute by deployable_id"""
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db_attr = cls.dbapi.attribute_get_by_deployable_id(context,
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deployable_id)
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return cls._from_db_object_list(db_attr, context)
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@classmethod
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def get_by_filter(cls, context, filters):
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"""Get a attribute by specified filters"""
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db_attr = cls.dbapi.attribute_get_by_filter(context, filters)
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return cls._from_db_object_list(db_attr, context)
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def save(self, context):
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"""Update a attribute record in the DB."""
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updates = self.obj_get_changes()
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db_attr = self.dbapi.attribute_update(context,
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self.uuid,
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self.key,
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self.value)
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self._from_db_object(self, db_attr)
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def destroy(self, context):
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"""Delete a attribute from the DB."""
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self.dbapi.attribute_delete(context, self.uuid)
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self.obj_reset_changes()
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def set_key_value_pair(self, set_key, set_value):
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self.key = set_key
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self.value = set_value
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