| |
| # 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 RCORDSubscriber, ONUDevice, model_accessor |
| from synchronizers.new_base.policy import Policy |
| |
| class DeferredException(Exception): |
| pass |
| |
| class AttWorkflowDriverServiceInstancePolicy(Policy): |
| model_name = "AttWorkflowDriverServiceInstance" |
| |
| def handle_create(self, si): |
| self.logger.debug("MODEL_POLICY: handle_create for AttWorkflowDriverServiceInstance %s " % si.id) |
| self.handle_update(si) |
| |
| def handle_update(self, si): |
| |
| # TODO if si.onu_state = DISABLED set subscriber.status to need_auth |
| # TODO cleanup |
| |
| self.logger.debug("MODEL_POLICY: handle_update for AttWorkflowDriverServiceInstance %s, valid=%s " % (si.id, si.valid)) |
| |
| # Check to make sure the object has been synced. This is to cover a race condition where the model_policy |
| # runs, is interrupted by the sync step, the sync step completes, and then the model policy ends up saving |
| # a policed_timestamp that is later the updated timestamp set by the sync_step. |
| if (si.backend_code!=1): |
| raise DeferredException("MODEL_POLICY: AttWorkflowDriverServiceInstance %s has not been synced yet" % si.id) |
| |
| # waiting for Whitelist validation |
| if not hasattr(si, 'valid') or si.valid is "awaiting": |
| raise DeferredException("MODEL_POLICY: deferring handle_update for AttWorkflowDriverServiceInstance %s as not validated yet" % si.id) |
| |
| # disabling ONU |
| if si.valid == "invalid": |
| self.logger.debug("MODEL_POLICY: disabling ONUDevice [%s] for AttWorkflowDriverServiceInstance %s" % (si.serial_number, si.id)) |
| onu = ONUDevice.objects.get(serial_number=si.serial_number) |
| onu.admin_state = "DISABLED" |
| onu.save(always_update_timestamp=True) |
| return |
| if si.valid == "valid": |
| |
| # reactivating the ONUDevice |
| try: |
| onu = ONUDevice.objects.get(serial_number=si.serial_number) |
| except IndexError: |
| raise Exception("MODEL_POLICY: cannot find ONUDevice [%s] for AttWorkflowDriverServiceInstance %s" % (si.serial_number, si.id)) |
| if onu.admin_state == "DISABLED": |
| self.logger.debug("MODEL_POLICY: enabling ONUDevice [%s] for AttWorkflowDriverServiceInstance %s" % (si.serial_number, si.id)) |
| onu.admin_state = "ENABLED" |
| onu.save(always_update_timestamp=True) |
| |
| # handling the subscriber status |
| |
| subscriber = None |
| try: |
| subscriber = [s for s in RCORDSubscriber.objects.all() if s.onu_device.lower() == si.serial_number.lower()][0] |
| except IndexError: |
| # we just want to find out if it exists or not |
| pass |
| |
| if subscriber: |
| # if the subscriber is there and authentication is complete, update its state |
| self.logger.debug("MODEL_POLICY: handling subscriber", onu_device=si.serial_number, authentication_state=si.authentication_state, onu_state=si.onu_state) |
| if si.onu_state == "DISABLED": |
| # NOTE do not mess with onu.admin_state as that triggered this condition |
| subscriber.status = "awaiting-auth" |
| elif si.authentication_state == "STARTED": |
| subscriber.status = "awaiting-auth" |
| elif si.authentication_state == "REQUESTED": |
| subscriber.status = "awaiting-auth" |
| elif si.authentication_state == "APPROVED": |
| subscriber.status = "enabled" |
| elif si.authentication_state == "DENIED": |
| subscriber.status = "auth-failed" |
| |
| subscriber.save(always_update_timestamp=True) |
| # if subscriber does not exist |
| else: |
| self.logger.warn("MODEL_POLICY: subscriber does not exists for this SI, doing nothing") |
| |
| def handle_delete(self, si): |
| pass |