def notify(create_result): # Ensure usage trackers for all resources affected by this API # operation are marked as dirty # Commit the reservation(s) for reservation in reservations: quota.QUOTAS.commit_reservation(request.context, reservation.reservation_id) resource_registry.set_resources_dirty(request.context) notifier_method = self._resource + '.create.end' self._notifier.info(request.context, notifier_method, create_result) registry.publish(self._resource, events.BEFORE_RESPONSE, self, payload=events.APIEventPayload( request.context, notifier_method, action, request_body=body, states=( {}, create_result, ), collection_name=self._collection)) return create_result
def after(self, state): resource_name = state.request.context.get('resource') collection_name = state.request.context.get('collection') neutron_context = state.request.context.get('neutron_context') action = pecan_constants.ACTION_MAP.get(state.request.method) if not action or action not in ('create', 'update', 'delete'): return if utils.is_member_action(utils.get_controller(state)): return if not resource_name: LOG.debug("Skipping NotifierHook processing as there was no " "resource associated with the request") return if state.response.status_int > 300: LOG.debug( "No notification will be sent due to unsuccessful " "status code: %s", state.response.status_int) return original = {} if (action in ('delete', 'update') and state.request.context.get('original_resources', [])): # We only need the original resource for updates and deletes original = state.request.context.get('original_resources')[0] if action == 'delete': # The object has been deleted, so we must notify the agent with the # data of the original object as the payload, but we do not need # to pass it in as the original result = {resource_name: original} original = {} else: if not state.response.body: result = {} else: result = state.response.json notifier_method = '%s.%s.end' % (resource_name, action) notifier_action = utils.get_controller(state).plugin_handlers[action] registry.publish(resource_name, events.BEFORE_RESPONSE, self, payload=events.APIEventPayload( neutron_context, notifier_method, notifier_action, request_body=state.request.body, states=( original, result, ), collection_name=collection_name)) if action == 'delete': resource_id = state.request.context.get('resource_id') result[resource_name + '_id'] = resource_id self._notifier.info(neutron_context, notifier_method, result)
def _delete(self, request, id, **kwargs): action = self._plugin_handlers[self.DELETE] # Check authz policy.init() parent_id = kwargs.get(self._parent_id_name) obj = self._item(request, id, parent_id=parent_id) try: policy.enforce(request.context, action, obj, pluralized=self._collection) except oslo_policy.PolicyNotAuthorized: # To avoid giving away information, pretend that it # doesn't exist if policy does not authorize SHOW with excutils.save_and_reraise_exception() as ctxt: if not policy.check(request.context, self._plugin_handlers[self.SHOW], obj, pluralized=self._collection): ctxt.reraise = False msg = _('The resource could not be found.') raise webob.exc.HTTPNotFound(msg) obj_deleter = getattr(self._plugin, action) obj_deleter(request.context, id, **kwargs) # A delete operation usually alters resource usage, so mark affected # usage trackers as dirty resource_registry.set_resources_dirty(request.context) notifier_method = self._resource + '.delete.end' result = {self._resource: self._view(request.context, obj)} notifier_payload = {self._resource + '_id': id} notifier_payload.update(result) self._notifier.info(request.context, notifier_method, notifier_payload) registry.publish(self._resource, events.BEFORE_RESPONSE, self, payload=events.APIEventPayload( request.context, notifier_method, action, states=( {}, obj, result, ), collection_name=self._collection))
def _update(self, request, id, body, **kwargs): try: body = Controller.prepare_request_body(request.context, body, False, self._resource, self._attr_info, allow_bulk=self._allow_bulk) except Exception as e: LOG.warning( "An exception happened while processing the request " "body. The exception message is [%s].", e) raise e action = self._plugin_handlers[self.UPDATE] # Load object to check authz # but pass only attributes in the original body and required # by the policy engine to the policy 'brain' field_list = [ name for (name, value) in self._attr_info.items() if (value.get('required_by_policy') or value.get('primary_key') or 'default' not in value) ] # Ensure policy engine is initialized policy.init() parent_id = kwargs.get(self._parent_id_name) # If the parent_id exist, we should get orig_obj with # self._parent_id_name field. if parent_id and self._parent_id_name not in field_list: field_list.append(self._parent_id_name) orig_obj = self._item(request, id, field_list=field_list, parent_id=parent_id) orig_object_copy = copy.copy(orig_obj) orig_obj.update(body[self._resource]) # Make a list of attributes to be updated to inform the policy engine # which attributes are set explicitly so that it can distinguish them # from the ones that are set to their default values. orig_obj[constants.ATTRIBUTES_TO_UPDATE] = body[self._resource].keys() # Then get the ext_parent_id, format to ext_parent_parent_resource_id if self._parent_id_name in orig_obj: self._set_parent_id_into_ext_resources_request( request, orig_obj, parent_id) try: policy.enforce(request.context, action, orig_obj, pluralized=self._collection) except oslo_policy.PolicyNotAuthorized: # To avoid giving away information, pretend that it # doesn't exist if policy does not authorize SHOW with excutils.save_and_reraise_exception() as ctxt: if not policy.check(request.context, self._plugin_handlers[self.SHOW], orig_obj, pluralized=self._collection): ctxt.reraise = False msg = _('The resource could not be found.') raise webob.exc.HTTPNotFound(msg) if self._native_bulk and hasattr(self._plugin, "%s_bulk" % action): obj_updater = getattr(self._plugin, "%s_bulk" % action) else: obj_updater = getattr(self._plugin, action) kwargs = {self._resource: body} if parent_id: kwargs[self._parent_id_name] = parent_id obj = obj_updater(request.context, id, **kwargs) # Usually an update operation does not alter resource usage, but as # there might be side effects it might be worth checking for changes # in resource usage here as well (e.g: a tenant port is created when a # router interface is added) resource_registry.set_resources_dirty(request.context) result = {self._resource: self._view(request.context, obj)} notifier_method = self._resource + '.update.end' self._notifier.info(request.context, notifier_method, result) registry.publish(self._resource, events.BEFORE_RESPONSE, self, payload=events.APIEventPayload( request.context, notifier_method, action, request_body=body, states=( orig_object_copy, result, ), collection_name=self._collection)) return result
def test_method_name(self): e = events.APIEventPayload(mock.ANY, 'post.end', 'POST') self.assertEqual('post.end', e.method_name)
def test_action(self): e = events.APIEventPayload(mock.ANY, 'post.end', 'POST') self.assertEqual('POST', e.action)