| # 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 __future__ import absolute_import |
| from xosconfig import Config |
| from multistructlog import create_logger |
| |
| log = create_logger(Config().get('logging')) |
| |
| class Helpers(): |
| @staticmethod |
| def format_url(url): |
| if 'http' in url: |
| return url |
| else: |
| return 'http://%s' % url |
| |
| @staticmethod |
| def get_onos_fabric_service(model_accessor, switch=None): |
| fabric = None |
| if switch: |
| fabric = model_accessor.Service.objects.get(id=switch.fabric_id) |
| else: |
| fabric = model_accessor.Service.objects.get(name="fabric") |
| onos_fabric_service = fabric.provider_services[0].leaf_model |
| return onos_fabric_service |
| |
| @staticmethod |
| def get_onos(model, model_accessor, onos=None): |
| if(model.fabric != None): |
| onos = Helpers.get_onos_fabric_service(model_accessor, model) |
| else: |
| fabric_service = model_accessor.FabricService.objects.all() |
| if(len(fabric_service) == 1): |
| onos = Helpers.get_onos_fabric_service(model_accessor) |
| |
| if not onos: |
| log.error("Configuration error. Fabric Service without ONOS is not possible.") |
| raise Exception("Configuration error. Fabric Service without ONOS is not possible.") |
| return onos |