#
# 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.
"""ResourceSnapshot object."""
from oslo_versionedobjects import base
from oslo_versionedobjects import fields
from heat.db import api as db_api
from heat.objects import base as heat_base
from heat.objects import fields as heat_fields
[docs]
class ResourceSnapshot(
heat_base.HeatObject,
base.VersionedObjectDictCompat,
base.ComparableVersionedObject,
):
fields = {
'id': fields.StringField(),
'snapshot_id': fields.StringField(),
'resource_name': fields.StringField(),
'data': heat_fields.JsonField(nullable=True),
'created_at': fields.DateTimeField(read_only=True),
}
@staticmethod
def _from_db_object(context, resource_snapshot, db_resource_snapshot):
for field in resource_snapshot.fields:
resource_snapshot[field] = db_resource_snapshot[field]
resource_snapshot._context = context
resource_snapshot.obj_reset_changes()
return resource_snapshot
[docs]
@classmethod
def create(cls, context, values):
return cls._from_db_object(
context, cls(), db_api.resource_snapshot_create(context, values))
[docs]
@classmethod
def get(cls, context, resource_snapshot_id):
return cls._from_db_object(
context, cls(), db_api.resource_snapshot_get(
context, resource_snapshot_id))
[docs]
@classmethod
def get_by_snapshot_and_rsrc(cls, context, snapshot_id, resource_name):
return cls._from_db_object(
context, cls(), db_api.resource_snapshot_get_by_snapshot_and_rsrc(
context, snapshot_id, resource_name))
[docs]
@classmethod
def update(cls, context, resource_snapshot_id, values):
db_resource_snapshot = db_api.resource_snapshot_update(
context, resource_snapshot_id, values)
return cls._from_db_object(context, cls(), db_resource_snapshot)
[docs]
@classmethod
def delete(cls, context, resource_snapshot_id):
db_api.resource_snapshot_delete(context, resource_snapshot_id)
[docs]
@classmethod
def delete_all_by_snapshot(cls, context, snapshot_id):
rsrc_snaps = cls.get_all(context, snapshot_id)
for rsrc_snap in rsrc_snaps:
cls.delete(context, rsrc_snap.id)
[docs]
@classmethod
def get_all(cls, context, snapshot_id):
return [cls._from_db_object(context, cls(), db_resource_snapshot)
for db_resource_snapshot in db_api.resource_snapshot_get_all(
context, snapshot_id)]
