| |
| # Copyright 2017-present Open Networking Foundation |
| # |
| # 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. |
| |
| |
| from synchronizers.new_base.modelaccessor import * |
| from synchronizers.new_base.policy import Policy |
| |
| class AddressManagerServiceInstancePolicy(Policy): |
| model_name = "AddressManagerServiceInstance" |
| |
| def handle_create(self, service_instance): |
| return self.handle_update(service_instance) |
| |
| def handle_update(self, service_instance): |
| if (service_instance.link_deleted_count>0) and (not service_instance.provided_links.exists()): |
| # if the last provided_link has just gone away, then self-destruct |
| self.logger.info("The last provided link has been deleted -- self-destructing."); |
| service_instance.delete() |
| return |