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-/*
- * ============LICENSE_START=======================================================
- * ONAP
- * ================================================================================
- * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * 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.
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.controlloop;
-
-import org.onap.policy.controlloop.drl.legacy.ControlLoopParams;
-import org.onap.policy.controlloop.CanonicalOnset;
-import org.onap.policy.controlloop.VirtualControlLoopEvent;
-import org.onap.policy.controlloop.VirtualControlLoopNotification;
-import org.onap.policy.controlloop.ControlLoopNotificationType;
-import org.onap.policy.controlloop.eventmanager.ControlLoopEventManager2Drools;
-import org.onap.policy.controlloop.eventmanager.ControlLoopEventManager2.NewEventStatus;
-import org.onap.policy.controlloop.eventmanager.ControlLoopOperationManager2;
-import org.onap.policy.controlloop.utils.ControlLoopUtils;
-import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
-
-import org.slf4j.LoggerFactory;
-import org.slf4j.Logger;
-
-import org.onap.policy.drools.system.PolicyEngineConstants;
-
-/*
-*
-* Called when the ControlLoopParams object has been inserted into working memory from the BRMSGW.
-*
-*/
-rule "INSERT.PARAMS"
- when
- $params : ControlLoopParams()
- then
-
- Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
- logger.info("{}: {} : TOSCA-POLICY=[{}]", $params.getClosedLoopControlName(), $params.getPolicyName() + "."
- + drools.getRule().getName(), $params.getToscaPolicy());
-end
-
-/*
-*
-* Called when a Tosca Policy is present.
-*
-*/
-rule "NEW.TOSCA.POLICY"
- when
- $policy : ToscaPolicy()
- then
-
- Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
- logger.info("{}: [{}|{}|{}|{}]: CONTENT: {}", drools.getRule().getName(),
- $policy.getType(), $policy.getTypeVersion(), $policy.getName(),
- $policy.getVersion(), $policy);
-
- ControlLoopParams params = ControlLoopUtils.toControlLoopParams($policy);
- if (params != null) {
- insert(params);
- }
-end
-
-/*
- * Remove Control Loop Parameters.
- */
-rule "REMOVE.PARAMS"
- when
- $params : ControlLoopParams( $policyName : getPolicyName(), $policyVersion : getPolicyVersion() )
- not ( ToscaPolicy( getName() == $policyName, getVersion() == $policyVersion ) )
- then
-
- Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
- logger.info("{}: [{}|{}|{}]", drools.getRule().getName(),
- $params.getPolicyScope(), $params.getPolicyName(), $params.getPolicyVersion());
-
- retract($params);
-end
-
-/*
-*
-* This rule responds to DCAE Events where there is no manager yet. Either it is
-* the first ONSET, or a subsequent badly formed Event (i.e. Syntax error, or is-closed-loop-disabled)
-*
-*/
-rule "EVENT"
- when
- $params : ControlLoopParams( $clName : getClosedLoopControlName() )
- $event : CanonicalOnset( closedLoopControlName == $clName )
- not ( ControlLoopEventManager2Drools( closedLoopControlName == $event.getClosedLoopControlName(),
- getContext().getEvent() == $event ) )
- then
-
- Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
- logger.info("{}: {}.{}: event={}",
- $clName, $params.getPolicyName(), drools.getRule().getName(),
- $event);
- //
- // Retract the event from memory; it will be managed by the manager for now on
- //
- retract($event);
-
- VirtualControlLoopNotification notification;
-
- try {
- //
- // Check the event, because we need it to not be null when
- // we create the ControlLoopEventManager2Drools. The ControlLoopEventManager2Drools
- // will do extra syntax checking as well as check if the closed loop is disabled.
- //
- if ($event.getRequestId() == null) {
- notification = new VirtualControlLoopNotification($event);
- notification.setNotification(ControlLoopNotificationType.REJECTED);
- notification.setFrom("policy");
- notification.setMessage("Missing requestId");
- notification.setPolicyName($params.getPolicyName() + "." + drools.getRule().getName());
- notification.setPolicyScope($params.getPolicyScope());
- notification.setPolicyVersion($params.getPolicyVersion());
-
- } else {
- ControlLoopEventManager2Drools manager = new ControlLoopEventManager2Drools($params, $event, drools.getWorkingMemory());
- insert(manager);
- try {
- manager.start();
- } catch(Exception e) {
- retract(manager);
- throw e;
- }
- notification = manager.makeNotification();
- notification.setNotification(ControlLoopNotificationType.ACTIVE);
- notification.setPolicyName($params.getPolicyName() + "." + drools.getRule().getName());
- }
- } catch (Exception e) {
- logger.warn("{}: {}.{}", $clName, $params.getPolicyName(), drools.getRule().getName(), e);
- notification = new VirtualControlLoopNotification($event);
- notification.setNotification(ControlLoopNotificationType.REJECTED);
- notification.setMessage("Exception occurred: " + e.getMessage());
- notification.setPolicyName($params.getPolicyName() + "." + drools.getRule().getName());
- notification.setPolicyScope($params.getPolicyScope());
- notification.setPolicyVersion($params.getPolicyVersion());
- }
- //
- // Generate notification
- //
- try {
- PolicyEngineConstants.getManager().deliver("POLICY-CL-MGT", notification);
-
- } catch(RuntimeException e) {
- logger.warn("{}: {}.{}: event={} exception generating notification",
- $clName, $params.getPolicyName(), drools.getRule().getName(),
- $event, e);
- }
-end
-
-/*
-*
-* This rule happens when we get a subsequent event.
-*
-*/
-rule "EVENT.MANAGER.NEW.EVENT"
- when
- $event : VirtualControlLoopEvent( )
- $manager : ControlLoopEventManager2Drools( closedLoopControlName == $event.getClosedLoopControlName(),
- getContext().getEvent() == $event )
- then
-
- Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
- logger.info("{}: {}.{}: event={} manager={}",
- $manager.getClosedLoopControlName(), $manager.getPolicyName(), drools.getRule().getName(),
- $event, $manager);
- //
- // Remove the event from memory
- //
- retract($event);
-
- //
- // Check what kind of event this is
- //
- switch($manager.onNewEvent($event)) {
- case SYNTAX_ERROR:
- //
- // Ignore any bad syntax events
- //
- logger.warn("{}: {}.{}: syntax error",
- $manager.getClosedLoopControlName(), $manager.getPolicyName(), drools.getRule().getName());
- break;
-
- case FIRST_ABATEMENT:
- case SUBSEQUENT_ABATEMENT:
- //
- // TODO: handle the abatement. Currently, it's just discarded.
- //
- logger.info("{}: {}.{}: abatement",
- $manager.getClosedLoopControlName(), $manager.getPolicyName(), drools.getRule().getName());
- break;
-
- case FIRST_ONSET:
- case SUBSEQUENT_ONSET:
- default:
- //
- // We don't care about subsequent onsets
- //
- logger.warn("{}: {}.{}: subsequent onset",
- $manager.getClosedLoopControlName(), $manager.getPolicyName(), drools.getRule().getName());
- break;
- }
-end
-
-/*
-*
-* Step completed
-*
-*/
-rule "EVENT.MANAGER.PROCESSING"
- when
- $manager : ControlLoopEventManager2Drools( isUpdated(), isActive(), $notification : getNotification() )
- then
-
- Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
- logger.info("{}: {}.{}: manager={}",
- $manager.getClosedLoopControlName(), $manager.getPolicyName(), drools.getRule().getName(),
- $manager);
- //
- // Generate notification
- //
- try {
- $notification.setPolicyName($manager.getPolicyName() + "." + drools.getRule().getName());
- PolicyEngineConstants.getManager().deliver("POLICY-CL-MGT", $notification);
-
- } catch(RuntimeException e) {
- logger.warn("{}: {}.{}: manager={} exception generating notification",
- $manager.getClosedLoopControlName(), $manager.getPolicyName(), drools.getRule().getName(),
- $manager, e);
- }
- //
- // Generate Response notification
- //
- try {
- ControlLoopResponse clResponse = $manager.getControlLoopResponse();
- if (clResponse != null) {
- PolicyEngineConstants.getManager().deliver("DCAE_CL_RSP", clResponse);
- }
-
- } catch(RuntimeException e) {
- logger.warn("{}: {}.{}: manager={} exception generating Response notification",
- $manager.getClosedLoopControlName(), $manager.getPolicyName(), drools.getRule().getName(),
- $manager, e);
- }
- //
- // Discard this message and wait for the next response.
- //
- $manager.nextStep();
- update($manager);
-end
-
-/*
-*
-* Final step completed
-*
-*/
-rule "EVENT.MANAGER.FINAL"
- when
- $manager : ControlLoopEventManager2Drools( !isActive(), $notification : getNotification() )
- then
-
- Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
- logger.info("{}: {}.{}: manager={}",
- $manager.getClosedLoopControlName(), $manager.getPolicyName(), drools.getRule().getName(),
- $manager);
- //
- // Generate notification
- //
- try {
- $notification.setPolicyName($manager.getPolicyName() + "." + drools.getRule().getName());
- PolicyEngineConstants.getManager().deliver("POLICY-CL-MGT", $notification);
-
- } catch(RuntimeException e) {
- logger.warn("{}: {}.{}: manager={} exception generating notification",
- $manager.getClosedLoopControlName(), $manager.getPolicyName(), drools.getRule().getName(),
- $manager, e);
- }
- //
- // Retract and destroy the manager
- //
- retract($manager);
- $manager.destroy();
-end
-
-/*
-*
-* This rule will clean up any rogue events where there is no
-* ControlLoopParams object corresponding to the onset event.
-*
-*/
-rule "EVENT.CLEANUP"
- salience -1
- when
- $event : VirtualControlLoopEvent( $clName: closedLoopControlName )
- then
-
- Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage());
- logger.info("{}: {}", $clName, drools.getRule().getName());
- logger.debug("{}: {}: orphan event={}",
- $clName, drools.getRule().getName(), $event);
- //
- // Retract the event
- //
- retract($event);
-end
-
-/*
-*
-* At this point, it appears that if we prevent the rules from getting messages from
-* topics, then that will also prevent the actors from getting them. So the following
-* rules are here just to discard those messages.
-*
-* These have a higher salience so the objects are removed before the "FINAL" message
-* is processed, so that the junit test can assume things are done once they see the
-* "FINAL" message. Otherwise, tests might fail sporadically.
-*
-*/
-rule "APPC.Response.CLEANUP"
- salience 1
- when
- $msg : org.onap.policy.appc.Response( )
- then
- retract($msg);
-end
-
-rule "APPC.Request.CLEANUP"
- salience 1
- when
- $msg : org.onap.policy.appc.Request( )
- then
- retract($msg);
-end
-
-rule "APPC-LCM.Response.CLEANUP"
- salience 1
- when
- $msg : org.onap.policy.appclcm.AppcLcmDmaapWrapper( )
- then
- retract($msg);
-end
-
-rule "SDNR.Response.CLEANUP"
- salience 1
- when
- $msg : org.onap.policy.sdnr.PciResponseWrapper( )
- then
- retract($msg);
-end