# Copyright 2014 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 # # 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. """ Resource object """ from oslo_versionedobjects import base from oslo_versionedobjects import fields from heat.db import api as db_api from heat.objects import fields as heat_fields from heat.objects import resource_data from heat.objects import stack class Resource( base.VersionedObject, base.VersionedObjectDictCompat, base.ComparableVersionedObject, ): fields = { 'id': fields.IntegerField(), 'uuid': fields.StringField(), 'stack_id': fields.StringField(), 'created_at': fields.DateTimeField(read_only=True), 'updated_at': fields.DateTimeField(nullable=True), 'nova_instance': fields.StringField(nullable=True), 'name': fields.StringField(nullable=True), 'status': fields.StringField(nullable=True), 'status_reason': fields.StringField(nullable=True), 'action': fields.StringField(nullable=True), 'rsrc_metadata': heat_fields.JsonField(nullable=True), 'properties_data': heat_fields.JsonField(nullable=True), 'data': fields.ListOfObjectsField( resource_data.ResourceData, nullable=True ), 'stack': fields.ObjectField(stack.Stack), 'engine_id': fields.StringField(nullable=True), 'atomic_key': fields.IntegerField(nullable=True), 'current_template_id': fields.IntegerField(), 'needed_by': heat_fields.ListField(nullable=True, default=None), 'requires': heat_fields.ListField(nullable=True, default=None), 'replaces': fields.IntegerField(nullable=True), 'replaced_by': fields.IntegerField(nullable=True), } @staticmethod def _from_db_object(resource, context, db_resource): if db_resource is None: return None for field in resource.fields: if field == 'data': resource['data'] = map( lambda resd: resource_data.ResourceData._from_db_object( resource_data.ResourceData(context), resd ), db_resource.data ) else: resource[field] = db_resource[field] resource._context = context resource.obj_reset_changes() return resource @classmethod def get_obj(cls, context, resource_id): resource_db = db_api.resource_get(context, resource_id) resource = cls._from_db_object(cls(context), context, resource_db) return resource @classmethod def get_all(cls, context): resources_db = db_api.resource_get_all(context) resources = [ ( resource_name, cls._from_db_object(cls(context), context, resource_db) ) for resource_name, resource_db in resources_db.iteritems() ] return dict(resources) @classmethod def create(cls, context, values): return db_api.resource_create(context, values) @classmethod def delete(cls, context, resource_id): resource_db = db_api.resource_get(context, resource_id) resource_db.delete() @classmethod def exchange_stacks(cls, context, resource_id1, resource_id2): return db_api.resource_exchange_stacks( context, resource_id1, resource_id2) @classmethod def get_all_by_stack(cls, context, stack_id): resources_db = db_api.resource_get_all_by_stack(context, stack_id) resources = [ ( resource_name, cls._from_db_object(cls(context), context, resource_db) ) for resource_name, resource_db in resources_db.iteritems() ] return dict(resources) @classmethod def get_by_name_and_stack(cls, context, resource_name, stack_id): resource_db = db_api.resource_get_by_name_and_stack( context, resource_name, stack_id) resource = cls._from_db_object(cls(context), context, resource_db) return resource @classmethod def get_by_physical_resource_id(cls, context, physical_resource_id): resource_db = db_api.resource_get_by_physical_resource_id( context, physical_resource_id) resource = cls._from_db_object(cls(context), context, resource_db) return resource def update_and_save(self, values): resource_db = db_api.resource_get(self._context, self.id) resource_db.update_and_save(values) self._refresh() return resource_db def _refresh(self): return self.__class__._from_db_object( self, self._context, self.__class__.get_obj(self._context, self.id)) def refresh(self, attrs=None): resource_db = db_api.resource_get(self._context, self.id) resource_db.refresh(attrs=attrs) return self._refresh()