From faf283066f186838665ed5c38c1ba8319041bc1c Mon Sep 17 00:00:00 2001 From: Joshua Reich Date: Fri, 14 Sep 2018 11:38:01 -0700 Subject: Add demo for Control Loop Coordination. New PipEngine and Junit test added to guard. Also bug in existing Junit test fixed. All other code added to new directory template.demo.clc Change-Id: Ida2267528bcb9404dc59ff391d45797b591814cc Issue-ID: POLICY-1109 Signed-off-by: Joshua Reich --- .../main/resources/__closedLoopControlName__.drl | 1413 ++++++++++++++++++++ 1 file changed, 1413 insertions(+) create mode 100644 controlloop/templates/template.demo.clc/src/main/resources/__closedLoopControlName__.drl (limited to 'controlloop/templates/template.demo.clc/src/main/resources/__closedLoopControlName__.drl') diff --git a/controlloop/templates/template.demo.clc/src/main/resources/__closedLoopControlName__.drl b/controlloop/templates/template.demo.clc/src/main/resources/__closedLoopControlName__.drl new file mode 100644 index 000000000..3981f0def --- /dev/null +++ b/controlloop/templates/template.demo.clc/src/main/resources/__closedLoopControlName__.drl @@ -0,0 +1,1413 @@ +/* + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * Copyright (C) 2018 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.VirtualControlLoopEvent; +import org.onap.policy.controlloop.VirtualControlLoopNotification; +import org.onap.policy.controlloop.ControlLoopEventStatus; +import org.onap.policy.controlloop.ControlLoopException; +import org.onap.policy.controlloop.ControlLoopNotificationType; +import org.onap.policy.controlloop.ControlLoopLogger; +import org.onap.policy.controlloop.policy.PolicyResult; +import org.onap.policy.controlloop.policy.ControlLoopPolicy; +import org.onap.policy.controlloop.policy.Policy; +import org.onap.policy.controlloop.eventmanager.ControlLoopEventManager; +import org.onap.policy.controlloop.eventmanager.ControlLoopEventManager.NEW_EVENT_STATUS; +import org.onap.policy.controlloop.eventmanager.ControlLoopOperationManager; +import org.onap.policy.controlloop.actor.so.SOActorServiceProvider; +import org.onap.policy.aai.AaiNqResponseWrapper; +import org.onap.policy.appc.Request; +import org.onap.policy.appc.Response; +import org.onap.policy.appc.CommonHeader; +import org.onap.policy.appclcm.LcmRequestWrapper; +import org.onap.policy.appclcm.LcmResponseWrapper; +import org.onap.policy.appclcm.LcmRequest; +import org.onap.policy.appclcm.LcmResponse; +import org.onap.policy.appclcm.LcmCommonHeader; +import org.onap.policy.vfc.VFCRequest; +import org.onap.policy.vfc.VFCResponse; +import org.onap.policy.vfc.VFCManager; +import org.onap.policy.so.SOManager; +import org.onap.policy.so.SORequest; +import org.onap.policy.so.SORequestStatus; +import org.onap.policy.so.SORequestDetails; +import org.onap.policy.so.SOModelInfo; +import org.onap.policy.so.SOCloudConfiguration; +import org.onap.policy.so.SORequestInfo; +import org.onap.policy.so.SORequestParameters; +import org.onap.policy.so.SORelatedInstanceListElement; +import org.onap.policy.so.SORelatedInstance; +import org.onap.policy.so.SOResponse; +import org.onap.policy.so.SOResponseWrapper; +import org.onap.policy.guard.PolicyGuard; +import org.onap.policy.guard.PolicyGuard.LockResult; +import org.onap.policy.guard.TargetLock; +import org.onap.policy.guard.GuardResult; +import org.onap.policy.guard.PolicyGuardRequest; +import org.onap.policy.guard.PolicyGuardResponse; +import org.onap.policy.guard.PolicyGuardXacmlRequestAttributes; +import org.onap.policy.guard.CallGuardTaskEmbedded; + +import org.yaml.snakeyaml.Yaml; +import org.yaml.snakeyaml.constructor.Constructor; + +import org.slf4j.LoggerFactory; +import org.slf4j.Logger; + +import java.time.Instant; +import java.util.LinkedList; +import java.util.Iterator; + +import org.onap.policy.drools.system.PolicyEngine; + +/* + * This structure mimics the Params structure. + * Its only purpose is to allow management of + * rules by the PAP component.. + * It has no use at runtime since the rules go by + * Params for matching purposes. + */ +declare PapParams + closedLoopControlName : String + controlLoopYaml : String +end + +/* + * Control Loop Identity + */ +declare Params + closedLoopControlName : String + controlLoopYaml : String +end + +/* + * Used to clean up Params that no longer have associated rules. + */ +declare ParamsCleaner + closedLoopControlName : String + controlLoopYaml : String +end + + +/* + * Operation Timer + */ +declare OperationTimer + closedLoopControlName : String + requestID : String + delay : String +end + +/* + * Control Loop Timer + */ +declare ControlLoopTimer + closedLoopControlName : String + requestID : String + delay : String +end + +/* +* +* Called once and only once to insert the parameters into working memory for this Closed Loop policy. +* This has a higher salience so we can ensure that the Params is created before we have a chance to +* discard any events. +* +*/ +rule "${policyName}.SETUP" + salience 1 + when + not( Params( getClosedLoopControlName() == "${closedLoopControlName}", getControlLoopYaml() == "${controlLoopYaml}" ) ) + then + + Params params = new Params(); + params.setClosedLoopControlName("${closedLoopControlName}"); + params.setControlLoopYaml("${controlLoopYaml}"); + insert(params); + + // Note: globals have bad behavior when persistence is used, + // hence explicitly getting the logger vs using a global + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {} : YAML=[{}]", params.getClosedLoopControlName(), drools.getRule().getName(), params.getControlLoopYaml()); +end + +/* +* +* This rule responds to DCAE Events where there is no manager yet. Either it is +* the first ONSET, or a subsequent badly formed Event (i.e. Syntax error, or is-closed-loop-disabled) +* +*/ +rule "${policyName}.EVENT" + when + $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) + $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName() ) + not ( ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}", $params.getClosedLoopControlName(), drools.getRule().getName()); + + try { + + // + // Check the event, because we need it to not be null when + // we create the ControlLoopEventManager. The ControlLoopEventManager + // will do extra syntax checking as well check if the closed loop is disabled. + // + if ($event.getRequestId() == null) { + VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); + notification.setNotification(ControlLoopNotificationType.REJECTED); + notification.setFrom("policy"); + notification.setMessage("Missing requestId"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + + // + // Let interested parties know + // + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + + // + // Retract it from memory + // + retract($event); + } else if ($event.getClosedLoopEventStatus() != ControlLoopEventStatus.ONSET) { + throw new ControlLoopException($event.getClosedLoopEventStatus() + " received with no prior onset"); + } else { + // + // Create an EventManager + // + ControlLoopEventManager manager = new ControlLoopEventManager($params.getClosedLoopControlName(), $event.getRequestId()); + // + // Disable target locking + // + manager.setUseTargetLock(false); + // + // Determine if EventManager can actively process the event (i.e. syntax, is_closed_loop_disabled checks etc.) + // + VirtualControlLoopNotification notification = manager.activate($params.getControlLoopYaml(), $event); + notification.setFrom("pdp-0001-controller=controlloop"); // Engine.getInstanceName() + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + // + // Are we actively pursuing this event? + // + if (notification.getNotification() == ControlLoopNotificationType.ACTIVE) { + // + // Insert Event Manager into memory, this will now kick off processing. + // + insert(manager); + // + // Let interested parties know + // + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + // + // Setup the Overall Control Loop timer + // + ControlLoopTimer clTimer = new ControlLoopTimer(); + clTimer.setClosedLoopControlName($event.getClosedLoopControlName()); + clTimer.setRequestID($event.getRequestId().toString()); + clTimer.setDelay(manager.getControlLoopTimeout(1500) + "s"); + // + // Insert it + // + insert(clTimer); + } else { + // + // Let interested parties know + // + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + // + // Retract it from memory + // + retract($event); + } + + // + // Now that the manager is inserted into Drools working memory, we'll wait for + // another rule to fire in order to continue processing. This way we can also + // then screen for additional ONSET and ABATED events for this RequestId. + // + } + } catch (Exception e) { + logger.warn("{}: {}", $params.getClosedLoopControlName(), drools.getRule().getName(), e); + + VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); + notification.setNotification(ControlLoopNotificationType.REJECTED); + notification.setMessage("Exception occurred: " + e.getMessage()); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + // + // + // + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + // + // Retract the event + // + retract($event); + } +end + +/* +* +* This rule happens when we got a valid ONSET, closed loop is enabled and an Event Manager +* is now created. We can start processing the yaml specification via the Event Manager. +* +*/ +rule "${policyName}.EVENT.MANAGER" + when + $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) + $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName() ) + $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) + $clTimer : ControlLoopTimer ( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}: event={} manager={} clTimer={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + $event, $manager, $clTimer); + + try { + // + // Check which event this is. + // + ControlLoopEventManager.NEW_EVENT_STATUS eventStatus = $manager.onNewEvent($event); + // + // Check what kind of event this is + // + if (eventStatus == NEW_EVENT_STATUS.SUBSEQUENT_ONSET) { + // + // We don't care about subsequent onsets + // + logger.info("{}: {}: subsequent onset", + $params.getClosedLoopControlName(), drools.getRule().getName()); + retract($event); + return; + } + if (eventStatus == NEW_EVENT_STATUS.SYNTAX_ERROR) { + // + // Ignore any bad syntax events + // + logger.warn("{}: {}: syntax error", + $params.getClosedLoopControlName(), drools.getRule().getName()); + retract($event); + return; + } + // + // We only want the initial ONSET event in memory, + // all the other events need to be retracted to support + // cleanup and avoid the other rules being fired for this event. + // + if (eventStatus != NEW_EVENT_STATUS.FIRST_ONSET) { + logger.warn("{}: {}: not first onset", + $params.getClosedLoopControlName(), drools.getRule().getName()); + retract($event); + } + + logger.debug("{}: {}: target={}", $params.getClosedLoopControlName(), + drools.getRule().getName(), $event.getTarget()); + // + // Now start seeing if we need to process this event + // + + // + // Check if this is a Final Event + // + VirtualControlLoopNotification notification = $manager.isControlLoopFinal(); + + if (notification != null) { + // + // Set common notification fields + // + notification.setFrom("policy"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + // + // Its final, but are we waiting for abatement? + // + if ($manager.getNumAbatements() > 0) { + // + // We have received an abatement and are done + // + logger.info("{}: {}: abatement received for {}. Closing the control loop", + $params.getClosedLoopControlName(), drools.getRule().getName(), + $event.getRequestId()); + // + // Set notification message + // + notification.setMessage("Abatement received. Closing the control loop."); + // + /// DB Write---end event processing for this RequestId() + // + $manager.commitAbatement("Event Abated","Closed"); + // + // Unlock the target + // + TargetLock lock = $manager.unlockCurrentOperation(); + if (lock != null) { + logger.debug("{}: {}: retracting lock=", $params.getClosedLoopControlName(), + drools.getRule().getName(), lock); + retract(lock); + } + // + // Retract everything from memory + // + logger.info("{}: {}: retracting onset, manager, and timer", + $params.getClosedLoopControlName(), drools.getRule().getName()); + + retract($manager.getOnsetEvent()); + retract($manager); + retract($clTimer); + // + // TODO - what if we get subsequent Events for this RequestId? + // By default, it will all start over again. May be confusing for Ruby. + // Or, we could track this and then subsequently ignore the events + // + } else { + // + // Check whether we need to wait for abatement + // + if ($manager.getProcessor().getControlLoop().getAbatement() == true && notification.getNotification() == ControlLoopNotificationType.FINAL_SUCCESS) { + // + // We will wait + // + logger.info("{}: {}: waiting for abatement ..", + $params.getClosedLoopControlName(), drools.getRule().getName()); + // + // Set notification message + // + notification.setMessage("Waiting for abatement"); + } else { + // + // We are done + // + logger.info("{}: {}: no abatement expected for {}. Closing the control loop", + $params.getClosedLoopControlName(), drools.getRule().getName(), + $event.getRequestId()); + // + // Set notification message + // + notification.setMessage("No abatement expected. Closing the control loop."); + // + // Unlock the target + // + TargetLock lock = $manager.unlockCurrentOperation(); + if (lock != null) { + logger.debug("{}: {}: retracting lock=", $params.getClosedLoopControlName(), + drools.getRule().getName(), lock); + retract(lock); + } + // + // Retract everything from memory + // + logger.info("{}: {}: retracting onset, manager, and timer", + $params.getClosedLoopControlName(), drools.getRule().getName()); + + retract($manager.getOnsetEvent()); + retract($manager); + retract($clTimer); + } + } + // + // Send the notification + // + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + } else { + // + // NOT final, so let's ask for the next operation + // + ControlLoopOperationManager operation = $manager.processControlLoop(); + if (operation != null) { + // + // Let's ask for a lock right away + // + LockResult result = $manager.lockCurrentOperation(); + logger.info("{}: {}: guard lock acquired={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + result.getB()); + if (result.getA().equals(GuardResult.LOCK_ACQUIRED)) { + // + // insert the operation into memory + // + insert(operation); + + // + // insert operation timeout object + // + OperationTimer opTimer = new OperationTimer(); + opTimer.setClosedLoopControlName($event.getClosedLoopControlName()); + opTimer.setRequestID($event.getRequestId().toString()); + opTimer.setDelay(operation.getOperationTimeout().toString() + "s"); + insert(opTimer); + + // + // Insert lock into memory + // + insert(result.getB()); + } + else { + logger.debug("The target resource {} is already processing", + $event.getAai().get($event.getTarget())); + notification = new VirtualControlLoopNotification($event); + notification.setNotification(ControlLoopNotificationType.REJECTED); + notification.setMessage("The target " + $event.getAai().get($event.getTarget()) + " is already locked"); + notification.setFrom("policy"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + + retract($event); + retract($manager); + retract($clTimer); + + if(result.getB() != null) { + retract(result.getB()); + } + } + logger.info("{}: {}: starting operation={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + operation); + } else { + // + // Probably waiting for abatement + // + logger.info("{}: {}: no operation, probably waiting for abatement", + $params.getClosedLoopControlName(), drools.getRule().getName()); + } + } + } catch (Exception e) { + logger.warn("{}: {}: unexpected", + $params.getClosedLoopControlName(), + drools.getRule().getName(), e); + + VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); + notification.setNotification(ControlLoopNotificationType.FINAL_FAILURE); + notification.setMessage(e.getMessage()); + notification.setFrom("policy"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + + retract($event); + retract($manager); + retract($clTimer); + } + +end + +/* +* +* Guard Permitted, let's send request to the actor. +* +*/ +rule "${policyName}.EVENT.MANAGER.OPERATION.LOCKED.GUARD_PERMITTED" + when + $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) + $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName() ) + $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) + $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId(), "Permit".equalsIgnoreCase(getGuardApprovalStatus()) ) + $lock : TargetLock (requestID == $event.getRequestId()) + $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}: event={} manager={} operation={} lock={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + $event, $manager, $operation, $lock); + + Object request = null; + boolean caughtException = false; + + try { + request = $operation.startOperation($event); + + if (request != null) { + logger.debug("{}: {}: starting operation ..", + $params.getClosedLoopControlName(), drools.getRule().getName()); + // + // Tell interested parties we are performing this Operation + // + VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); + notification.setNotification(ControlLoopNotificationType.OPERATION); + notification.setMessage($operation.getOperationMessage()); + notification.setHistory($operation.getHistory()); + notification.setFrom("policy"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + + switch ($operation.policy.getActor()){ + + case "APPC": + + if (request instanceof Request) { + PolicyEngine.manager.deliver("APPC-CL", request); + } + else if (request instanceof LcmRequestWrapper) { + PolicyEngine.manager.deliver("APPC-LCM-READ", request); + } + break; + case "SO": + // at this point the AAI named query request should have already been made, the response recieved and used + // in the construction of the SO Request which is stored in operationRequest + + if(request instanceof SORequest) { + // Call SO. The response will be inserted into memory once it's received + SOActorServiceProvider.sendRequest($event.getRequestId().toString(), drools.getWorkingMemory(), request); + } + break; + case "VFC": + if (request instanceof VFCRequest) { + // Start VFC thread + Thread t = new Thread(new VFCManager(drools.getWorkingMemory(), (VFCRequest)request)); + t.start(); + } + break; + } + } else { + // + // What happens if its null? + // + logger.warn("{}: {}: unexpected null operation request", + $params.getClosedLoopControlName(), + drools.getRule().getName()); + if ("SO".equals($operation.policy.getActor())) { + retract($opTimer); + retract($operation); + modify($manager) {finishOperation($operation)}; + } + else if ("vfc".equalsIgnoreCase($operation.policy.getActor())) { + retract($opTimer); + retract($operation); + modify($manager) {finishOperation($operation)}; + } + } + + } catch (Exception e) { + String msg = e.getMessage(); + logger.warn("{}: {}: operation={}: AAI failure: {}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + $operation, msg, e); + $operation.setOperationHasException(msg); + + if(request != null) { + // + // Create a notification for it ("DB Write - end operation") + // + VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); + notification.setFrom("policy"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + notification.setNotification(ControlLoopNotificationType.OPERATION_FAILURE); + notification.setMessage($operation.getOperationHistory()); + notification.setHistory($operation.getHistory()); + + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + } + + retract($opTimer); + retract($operation); + caughtException = true; + } + + // Having the modify statement in the catch clause doesn't work for whatever reason + if (caughtException) { + modify($manager) {finishOperation($operation)}; + } +end + + +/* +* +* We were able to acquire a lock so now let's ask Xacml Guard whether +* we are allowed to proceed with the request to the actor. +* +*/ +rule "${policyName}.EVENT.MANAGER.OPERATION.LOCKED.GUARD_NOT_YET_QUERIED" + when + $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) + $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName() ) + $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) + $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId(), getGuardApprovalStatus() == "NONE" ) + $lock : TargetLock (requestID == $event.getRequestId()) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}: event={} manager={} operation={} lock={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + $event, $manager, $operation, $lock); + + // + // Sending notification that we are about to query Guard ("DB write - start operation") + // + VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); + notification.setNotification(ControlLoopNotificationType.OPERATION); + notification.setMessage("Sending guard query for " + $operation.policy.getActor() + " " + $operation.policy.getRecipe()); + notification.setHistory($operation.getHistory()); + notification.setFrom("policy"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + + // + // Now send Guard Request to XACML Guard. In order to bypass the call to Guard, + // just change guardEnabled to false. + // + // + + // NOTE: The environment properties uses "guard.disabled" but the boolean is guardEnabled + boolean guardEnabled = "false".equalsIgnoreCase(PolicyEngine.manager.getEnvironmentProperty("guard.disabled")); + + if(guardEnabled){ + + Thread t = new Thread(new CallGuardTaskEmbedded( + drools.getWorkingMemory(), + $event.getClosedLoopControlName(), + $operation.policy.getActor().toString(), + $operation.policy.getRecipe(), + $operation.getTargetEntity(), + $event.getRequestId().toString(), + () -> { + AaiNqResponseWrapper resp = $manager.getNqVserverFromAai(); + return(resp == null ? null : resp.countVfModules()); + })); + t.start(); + } + else{ + insert(new PolicyGuardResponse("Permit", $event.getRequestId(), $operation.policy.getRecipe())); + } + +end + +// +// This rule will be triggered when a thread talking to the XACML Guard inserts a +// guardResponse object into the working memory +// +rule "${policyName}.GUARD.RESPONSE" + when + $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) + $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET ) + $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) + $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId() ) + $lock : TargetLock (requestID == $event.getRequestId()) + $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + $guardResponse : PolicyGuardResponse(requestID == $event.getRequestId(), $operation.policy.recipe == operation) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}: event={} manager={} operation={} lock={} opTimer={} guardResponse={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + $event, $manager, $operation, $lock, $opTimer, $guardResponse); + + + //we will permit the operation if there was no Guard for it + if("Indeterminate".equalsIgnoreCase($guardResponse.getResult())){ + $guardResponse.setResult("Permit"); + } + + // + // This notification has Guard result in "message". ("DB write - end operation in case of Guard Deny") + // + VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); + notification.setNotification(ControlLoopNotificationType.OPERATION); + notification.setMessage("Guard result for " + $operation.policy.getActor() + " " + $operation.policy.getRecipe() + " is " + $guardResponse.getResult()); + notification.setHistory($operation.getHistory()); + notification.setFrom("policy"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + + if("Permit".equalsIgnoreCase($guardResponse.getResult())){ + + modify($operation){setGuardApprovalStatus($guardResponse.getResult())}; + } + else { + //This is the Deny case + $operation.startOperation($event); + $operation.setOperationHasGuardDeny(); + retract($opTimer); + retract($operation); + modify($manager) {finishOperation($operation)}; + } + + retract($guardResponse); + +end + +/* +* +* This rule responds to APPC Response Events +* +* I would have like to be consistent and write the Response like this: +* $response : Response( CommonHeader.RequestId == $onset.getRequestId() ) +* +* However, no compile error was given. But a runtime error was given. I think +* because drools is confused between the classname CommonHeader vs the property CommonHeader. +* +*/ +rule "${policyName}.APPC.RESPONSE" + when + $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) + $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET ) + $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) + $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId() ) + $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + $lock : TargetLock (requestID == $event.getRequestId()) + $response : Response( getCommonHeader().RequestId == $event.getRequestId() ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}", $params.getClosedLoopControlName(), drools.getRule().getName()); + logger.debug("{}: {}: event={} manager={} operation={} lock={} opTimer={} response={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + $event, $manager, $operation, $lock, $opTimer, $response); + // + // Get the result of the operation + // + PolicyResult policyResult = $operation.onResponse($response); + if (policyResult != null) { + logger.debug("{}: {}: operation finished - result={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + policyResult); + // + // This Operation has completed, construct a notification showing our results. (DB write - end operation) + // + VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); + notification.setFrom("policy"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + notification.setMessage($operation.getOperationHistory()); + notification.setHistory($operation.getHistory()); + if (policyResult.equals(PolicyResult.SUCCESS)) { + notification.setNotification(ControlLoopNotificationType.OPERATION_SUCCESS); + // + // Let interested parties know + // + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + } else { + notification.setNotification(ControlLoopNotificationType.OPERATION_FAILURE); + // + // Let interested parties know + // + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + } + // + // Ensure the operation is complete + // + if ($operation.isOperationComplete() == true) { + // + // It is complete, remove it from memory + // + retract($operation); + // + // We must also retract the timer object + // NOTE: We could write a Rule to do this + // + retract($opTimer); + // + // Complete the operation + // + modify($manager) {finishOperation($operation)}; + } else { + // + // Just doing this will kick off the LOCKED rule again + // + modify($operation) {}; + } + } else { + // + // Its not finished yet (i.e. expecting more Response objects) + // + // Or possibly it is a leftover response that we timed the request out previously + // + } + // + // We are going to retract these objects from memory + // + retract($response); +end + +/* +* +* The problem with Responses is that they don't have a controlLoopControlName +* field in them, so the only way to attach them is via RequestId. If we have multiple +* control loop .drl's loaded in the same container, we need to be sure the cleanup +* rules don't remove Responses for other control loops. +* +*/ +rule "${policyName}.APPC.RESPONSE.CLEANUP" + when + $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) + $response : Response($id : getCommonHeader().RequestId ) + not ( VirtualControlLoopEvent( requestId == $id, closedLoopEventStatus == ControlLoopEventStatus.ONSET ) ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}", $params.getClosedLoopControlName(), drools.getRule().getName()); + logger.debug("{}: {}: orphan appc response={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), $id); + + // + // Retract it + // + retract($response); +end + +/* +* +* This rule responds to APPC Response Events using the new LCM interface provided by appc +* +*/ +rule "${policyName}.APPC.LCM.RESPONSE" + when + $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) + $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET ) + $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) + $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId() ) + $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + $lock : TargetLock (requestID == $event.getRequestId()) + $response : LcmResponseWrapper( getBody().getCommonHeader().getRequestId() == $event.getRequestId() ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}", $params.getClosedLoopControlName(), drools.getRule().getName()); + logger.debug("{}: {}: event={} manager={} operation={} lock={} opTimer={} response={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + $event, $manager, $operation, $lock, $operation, $opTimer, $response); + + // + // Get the result of the operation + // + PolicyResult policyResult = $operation.onResponse($response); + if (policyResult != null) { + logger.debug("{}: {}: operation finished - result={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + policyResult); + + // + // This Operation has completed, construct a notification showing our results. (DB write - end operation) + // + VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); + notification.setFrom("policy"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + notification.setMessage($operation.getOperationHistory()); + notification.setHistory($operation.getHistory()); + if (policyResult.equals(PolicyResult.SUCCESS)) { + notification.setNotification(ControlLoopNotificationType.OPERATION_SUCCESS); + } else { + notification.setNotification(ControlLoopNotificationType.OPERATION_FAILURE); + } + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + // + // Ensure the operation is complete + // + if ($operation.isOperationComplete() == true) { + // + // It is complete, remove it from memory + // + retract($operation); + // + // We must also retract the timer object + // NOTE: We could write a Rule to do this + // + retract($opTimer); + // + // Complete the operation + // + modify($manager) {finishOperation($operation)}; + } else { + // + // Just doing this will kick off the LOCKED rule again + // + modify($operation) {}; + } + } else { + // + // Its not finished yet (i.e. expecting more Response objects) + // + // Or possibly it is a leftover response that we timed the request out previously + // + } + // + // We are going to retract these objects from memory + // + retract($response); +end + +/* +* +* Clean Up any lingering LCM reponses +* +*/ +rule "${policyName}.APPC.LCM.RESPONSE.CLEANUP" + when + $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) + $response : LcmResponseWrapper($id : getBody().getCommonHeader().getRequestId ) + not ( VirtualControlLoopEvent( requestId == $id, closedLoopEventStatus == ControlLoopEventStatus.ONSET ) ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}", $params.getClosedLoopControlName(), drools.getRule().getName()); + logger.debug("{}: {}: orphan appc response={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), $id); + // + // Retract it + // + retract($response); +end + +/* +* +* This rule responds to SO Response Events +* +*/ +rule "${policyName}.SO.RESPONSE" + when + $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) + $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET ) + $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) + $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId() ) + $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + $lock : TargetLock (requestID == $event.getRequestId()) + $response : SOResponseWrapper(requestID.toString() == $event.getRequestId().toString() ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}", $params.getClosedLoopControlName(), drools.getRule().getName()); + logger.debug("{}: {}: event={} manager={} operation={} lock={} opTimer={} response={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + $event, $manager, $operation, $lock, $operation, $opTimer, $response); + + // Get the result of the operation + // + PolicyResult policyResult = $operation.onResponse($response); + if (policyResult != null) { + logger.debug("{}: {}: operation finished - result={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + policyResult); + + // + // This Operation has completed, construct a notification showing our results + // + VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); + notification.setFrom("policy"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + notification.setMessage($operation.getOperationHistory()); + notification.setHistory($operation.getHistory()); + if (policyResult.equals(PolicyResult.SUCCESS)) { + notification.setNotification(ControlLoopNotificationType.OPERATION_SUCCESS); + } else { + notification.setNotification(ControlLoopNotificationType.OPERATION_FAILURE); + + } + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + // + // Ensure the operation is complete + // + if ($operation.isOperationComplete() == true) { + // + // It is complete, remove it from memory + // + retract($operation); + // + // We must also retract the timer object + // NOTE: We could write a Rule to do this + // + retract($opTimer); + // + // Complete the operation + // + modify($manager) {finishOperation($operation)}; + } else { + // + // Just doing this will kick off the LOCKED rule again + // + modify($operation) {}; + } + } else { + // + // Its not finished yet (i.e. expecting more Response objects) + // + // Or possibly it is a leftover response that we timed the request out previously + // + } + // + // We are going to retract these objects from memory + // + retract($response); + +end + +/* +* +* This rule responds to VFC Response Events +* +*/ +rule "${policyName}.VFC.RESPONSE" + when + $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) + $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET ) + $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) + $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId() ) + $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString() ) + $lock : TargetLock (requestID == $event.getRequestId()) + $response : VFCResponse( requestId.toString() == $event.getRequestId().toString() ) + then + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}", $params.getClosedLoopControlName(), drools.getRule().getName()); + logger.debug("{}: {}: event={} manager={} operation={} lock={} opTimer={} response={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + $event, $manager, $operation, $lock, $operation, $opTimer, $response); + + // Get the result of the operation + // + PolicyResult policyResult = $operation.onResponse($response); + if (policyResult != null) { + // + // This Operation has completed, construct a notification showing our results + // + VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); + notification.setFrom("policy"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + notification.setMessage($operation.getOperationHistory()); + notification.setHistory($operation.getHistory()); + // + // Ensure the operation is complete + // + if ($operation.isOperationComplete() == true) { + // + // It is complete, remove it from memory + // + retract($operation); + // + // We must also retract the timer object + // NOTE: We could write a Rule to do this + // + retract($opTimer); + // + // Complete the operation + // + modify($manager) {finishOperation($operation)}; + } else { + // + // Just doing this will kick off the LOCKED rule again + // + modify($operation) {}; + } + } else { + // + // Its not finished yet (i.e. expecting more Response objects) + // + // Or possibly it is a leftover response that we timed the request out previously + // + } + // + // We are going to retract these objects from memory + // + retract($response); + +end + +/* +* +* This is the timer that manages the timeout for an individual operation. +* +*/ +rule "${policyName}.EVENT.MANAGER.OPERATION.TIMEOUT" + timer (expr: $to ) + when + $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) + $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName() ) + $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) + $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.getClosedLoopControlName(), onset.getRequestId() == $event.getRequestId() ) + $opTimer : OperationTimer( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString(), $to : getDelay() ) + $lock : TargetLock (requestID == $event.getRequestId()) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}", $params.getClosedLoopControlName(), drools.getRule().getName()); + logger.debug("{}: {}: event={} manager={} operation={} lock={} opTimer={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + $event, $manager, $operation, $lock, $operation, $opTimer); + + // + // Tell it its timed out + // + $operation.setOperationHasTimedOut(); + // + // Create a notification for it ("DB Write - end operation") + // + VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); + notification.setFrom("policy"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + notification.setNotification(ControlLoopNotificationType.OPERATION_FAILURE); + notification.setMessage($operation.getOperationHistory()); + notification.setHistory($operation.getHistory()); + // + // Let interested parties know + // + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + // + // Get rid of the timer + // + retract($opTimer); + // + // Ensure the operation is complete + // + if ($operation.isOperationComplete() == true) { + // + // It is complete, remove it from memory + // + retract($operation); + // + // Complete the operation + // + modify($manager) {finishOperation($operation)}; + } else { + // + // Just doing this will kick off the LOCKED rule again + // + modify($operation) {}; + } +end + +/* +* +* This is the timer that manages the overall control loop timeout. +* +*/ +rule "${policyName}.EVENT.MANAGER.TIMEOUT" + timer (expr: $to ) + when + $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) + $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName() ) + $manager : ControlLoopEventManager( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId() ) + $clTimer : ControlLoopTimer ( closedLoopControlName == $event.getClosedLoopControlName(), requestID == $event.getRequestId().toString(), $to : getDelay() ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}", $params.getClosedLoopControlName(), drools.getRule().getName()); + + logger.debug("{}: {}: event={}", + $params.getClosedLoopControlName(), drools.getRule().getName(), + $event); + // + // Tell the Event Manager it has timed out + // + VirtualControlLoopNotification notification = $manager.setControlLoopTimedOut(); + if (notification != null) { + notification.setFrom("policy"); + notification.setPolicyName(drools.getRule().getName()); + notification.setPolicyScope("${policyScope}"); + notification.setPolicyVersion("${policyVersion}"); + // + // Let interested parties know + // + PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); + } + // + // Retract the event + // + retract($event); +end + +/* +* +* This rule cleans up the manager and other objects after an event has +* been retracted. +* +*/ +rule "${policyName}.EVENT.MANAGER.CLEANUP" + when + $manager : ControlLoopEventManager( $clName : getClosedLoopControlName(), $requestId : getRequestID() ) + $clTimer : ControlLoopTimer ( closedLoopControlName == $clName, requestID == $requestId.toString() ) + $operations : LinkedList() + from collect( ControlLoopOperationManager( onset.closedLoopControlName == $clName, onset.getRequestId() == $requestId ) ) + $opTimers : LinkedList() + from collect( OperationTimer( closedLoopControlName == $clName, requestID == $requestId.toString() ) ) + $locks : LinkedList() + from collect( TargetLock (requestID == $requestId) ) + not( VirtualControlLoopEvent( closedLoopControlName == $clName, requestId == $requestId ) ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}", $clName, drools.getRule().getName()); + + logger.debug("{}: {}: manager={} clTimer={} operations={}", + $clName, drools.getRule().getName(), + $manager, $clTimer, $operations.size()); + + // + // Retract EVERYTHING + // + retract($manager); + retract($clTimer); + + for(Object manager: $operations) { + retract((ControlLoopOperationManager) manager); + } + for(Object opTimer: $opTimers) { + retract((OperationTimer) opTimer); + } + for(Object lock: $locks) { + TargetLock tgt = (TargetLock) lock; + // + // Ensure we release the lock + // + PolicyGuard.unlockTarget(tgt); + retract(tgt); + } +end + +/* +* +* This rule will clean up any rogue onsets where there is no +* ControlLoopParams object corresponding to the onset event. +* +*/ +rule "${policyName}.EVENT.CLEANUP" + when + $event : VirtualControlLoopEvent( $clName: closedLoopControlName ) + not ( Params( getClosedLoopControlName() == $clName) ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {}", $clName, drools.getRule().getName()); + logger.debug("{}: {}: orphan onset event={}", + $clName, drools.getRule().getName(), $event); + + retract($event); +end + +/* +* +* When rules are deleted, the associated Params (and its subordinate objects) +* remain in working memory, because there are no longer any rules to clean +* them up. However, ANY time new rules are loaded, this rule will trigger +* a clean-up of ALL Params, regardless of their name & yaml, thus removing +* any that no longer have associated rules. +* This has a higher salience so that we immediately check Params when the +* rules change, before processing any events. +* +*/ +rule "${policyName}.PARAMS.CHECKUP" + salience 2 + when + Params( $clName: closedLoopControlName, $yaml: controlLoopYaml ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {} : YAML=[{}]", $clName, drools.getRule().getName(), $yaml); + + ParamsCleaner cleaner = new ParamsCleaner(); + cleaner.setClosedLoopControlName($clName); + cleaner.setControlLoopYaml($yaml); + + insert(cleaner); +end + +/* +* +* This rule removes "cleaner" objects for rules that are still active, thus +* preventing the associated Params objects from being removed. Any cleaners +* that are left after this rule has fired will cause their corresponding Params +* to be removed. +* This has a higher salience so that we discard the cleaner before it has +* a chance to force the removal of the associated Params. +* +*/ +rule "${policyName}.CLEANER.ACTIVE" + salience 2 + when + $cleaner: ParamsCleaner( getClosedLoopControlName() == "${closedLoopControlName}", getControlLoopYaml() == "${controlLoopYaml}" ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {} : YAML=[{}]", $cleaner.getClosedLoopControlName(), drools.getRule().getName(), $cleaner.getControlLoopYaml()); + + retract($cleaner); +end + +/* +* +* This rule removes Params objects that no longer have associated rules; if a +* Params still had associated rules, then the cleaner would have been removed +* by those rules and thus this rule would not fire. +* This has a higher salience so that we remove old Params before it causes any +* events to be processed. +* +*/ +rule "${policyName}.PARAMS.CLEANUP" + salience 1 + when + $params: Params( $clName: closedLoopControlName, $yaml: controlLoopYaml ) + ParamsCleaner( getClosedLoopControlName() == $clName, getControlLoopYaml() == $yaml ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {} : YAML=[{}]", $params.getClosedLoopControlName(), drools.getRule().getName(), $params.getControlLoopYaml()); + + retract($params); + + // Note: the cleaner may be needed for cleaning additional params, thus + // we do not retract it here - we'll leave that to another rule +end + +/* +* +* This rule removes "cleaner" objects when they're no longer needed. +* +*/ +rule "${policyName}.CLEANER.CLEANUP" + when + $cleaner: ParamsCleaner( ) + then + + Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); + logger.info("{}: {} : YAML=[{}]", $cleaner.getClosedLoopControlName(), drools.getRule().getName(), $cleaner.getControlLoopYaml()); + + retract($cleaner); +end -- cgit 1.2.3-korg