Source code for heat.objects.snapshot

# Copyright 2015 Intel Corp.
# 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
# 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.

"""Snapshot object."""

from oslo_versionedobjects import base
from oslo_versionedobjects import fields

from heat.db.sqlalchemy import api as db_api
from heat.objects import base as heat_base
from heat.objects import fields as heat_fields

[docs]class Snapshot( heat_base.HeatObject, base.VersionedObjectDictCompat, base.ComparableVersionedObject, ): fields = { 'id': fields.StringField(), 'name': fields.StringField(nullable=True), 'stack_id': fields.StringField(), 'data': heat_fields.JsonField(nullable=True), 'tenant': fields.StringField(), 'status': fields.StringField(nullable=True), 'status_reason': fields.StringField(nullable=True), 'created_at': fields.DateTimeField(read_only=True), 'updated_at': fields.DateTimeField(nullable=True), } @staticmethod def _from_db_object(context, snapshot, db_snapshot): for field in snapshot.fields: snapshot[field] = db_snapshot[field] snapshot._context = context snapshot.obj_reset_changes() return snapshot
[docs] @classmethod def create(cls, context, values): return cls._from_db_object( context, cls(), db_api.snapshot_create(context, values))
[docs] @classmethod def get_snapshot_by_stack(cls, context, snapshot_id, stack): return cls._from_db_object( context, cls(), db_api.snapshot_get_by_stack( context, snapshot_id, stack))
[docs] @classmethod def update(cls, context, snapshot_id, values): db_snapshot = db_api.snapshot_update(context, snapshot_id, values) return cls._from_db_object(context, cls(), db_snapshot)
[docs] @classmethod def delete(cls, context, snapshot_id): db_api.snapshot_delete(context, snapshot_id)
[docs] @classmethod def get_all(cls, context, stack_id): return [cls._from_db_object(context, cls(), db_snapshot) for db_snapshot in db_api.snapshot_get_all(context, stack_id)]