diff options
| -rw-r--r-- | config/pe/ClosedLoopControlName.drl | 1223 |
1 files changed, 0 insertions, 1223 deletions
diff --git a/config/pe/ClosedLoopControlName.drl b/config/pe/ClosedLoopControlName.drl deleted file mode 100644 index 3273dc6c..00000000 --- a/config/pe/ClosedLoopControlName.drl +++ /dev/null @@ -1,1223 +0,0 @@ -/*- - * ============LICENSE_START======================================================= - * ONAP - * ================================================================================ - * Copyright (C) 2017 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.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.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.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.PolicyGuardXacmlHelper; - -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; - -declare Params - closedLoopControlName : String - controlLoopYaml : String -end - - -declare OperationTimer - closedLoopControlName : String - requestID : String - delay : String -end - -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. -* -*/ -rule "${policyName}.SETUP" - when - then - - Params params = new Params(); - params.setClosedLoopControlName("${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()); - - String sqlDbUsername = PolicyEngine.manager.getEnvironmentProperty("sql.db.username"); - - String aaiUrl = PolicyEngine.manager.getEnvironmentProperty("aai.url"); - String aaiUsername = PolicyEngine.manager.getEnvironmentProperty("aai.username"); - String aaiPassword = PolicyEngine.manager.getEnvironmentProperty("aai.password"); - - String soUrl =PolicyEngine.manager.getEnvironmentProperty("so.url"); - String soUsername = PolicyEngine.manager.getEnvironmentProperty("so.username"); - String soPassword = PolicyEngine.manager.getEnvironmentProperty("so.password"); - - String vfcUrl =PolicyEngine.manager.getEnvironmentProperty("vfc.url"); - String vfcUsername = PolicyEngine.manager.getEnvironmentProperty("vfc.username"); - String vfcPassword = PolicyEngine.manager.getEnvironmentProperty("vfc.password"); - - String guardUrl = PolicyEngine.manager.getEnvironmentProperty("guard.url"); - String guardUsername = PolicyEngine.manager.getEnvironmentProperty("pdpx.username"); - String guardPassword = PolicyEngine.manager.getEnvironmentProperty("pdpx.password"); - String guardJdbcUrl = PolicyEngine.manager.getEnvironmentProperty("guard.jdbc.url"); - String guardDisabled = PolicyEngine.manager.getEnvironmentProperty("guard.disabled"); - - logger.info("{}: {} : AAI=[{}:{}]", params.getClosedLoopControlName(), drools.getRule().getName(), aaiUrl, aaiUsername); - logger.info("{}: {} : SO=[{}:{}]", params.getClosedLoopControlName(), drools.getRule().getName(), soUrl, soUsername); - logger.info("{}: {} : VFC=[{}:{}]", params.getClosedLoopControlName(), drools.getRule().getName(), vfcUrl, vfcUsername); - logger.info("{}: {} : GUARD=[{}:{}:{}:{}]", params.getClosedLoopControlName(), drools.getRule().getName(), guardUrl, guardUsername, guardJdbcUrl, guardDisabled); - logger.info("{}: {} : DB=[{}]", params.getClosedLoopControlName(), drools.getRule().getName(), sqlDbUsername); -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.closedLoopControlName, requestID == $event.requestID ) ) - 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.requestID == null) { - VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); - notification.notification = ControlLoopNotificationType.REJECTED; - notification.from = "policy"; - notification.message = "Missing requestID"; - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${policyVersion}"; - - // - // Let interested parties know - // - PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); - - // - // Retract it from memory - // - retract($event); - } else { - // - // Create an EventManager - // - ControlLoopEventManager manager = new ControlLoopEventManager($params.getClosedLoopControlName(), $event.requestID); - // - // Determine if EventManager can actively process the event (i.e. syntax, is_closed_loop_disabled checks etc.) - // - VirtualControlLoopNotification notification = manager.activate($params.getControlLoopYaml(), $event); - notification.from = "pdp-0001-controller=controlloop"; // Engine.getInstanceName() - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${policyVersion}"; - // - // Are we actively pursuing this event? - // - if (notification.notification == ControlLoopNotificationType.ACTIVE) { - // - // Insert Event Manager into memory, this will now kick off processing. - // - insert(manager); - // - // Let interested parties know - // - PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); - // - // Setup the Overall Control Loop timer - // - ControlLoopTimer clTimer = new ControlLoopTimer(); - clTimer.setClosedLoopControlName($event.closedLoopControlName); - clTimer.setRequestID($event.requestID.toString()); - clTimer.setDelay(manager.getControlLoopTimeout(1500) + "s"); - // - // Insert it - // - insert(clTimer); - } else { - // - // Let interested parties know - // - PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); - // - // Retract it from memory - // - retract($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.notification = ControlLoopNotificationType.REJECTED; - notification.message = "Exception occurred " + e.getMessage(); - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${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.closedLoopControlName, requestID == $event.requestID ) - $clTimer : ControlLoopTimer ( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID.toString() ) - then - - Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); - logger.info("{}: {}: event={} manager={} clTimer={}", - $params.getClosedLoopControlName(), drools.getRule().getName(), - $event, $manager, $clTimer); - // - // 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("{}: {}: no first onset", - $params.getClosedLoopControlName(), drools.getRule().getName()); - retract($event); - } - - logger.debug("{}: {}: target={}", $params.getClosedLoopControlName(), - drools.getRule().getName(), $event.target); - // - // Now start seeing if we need to process this event - // - try { - // - // Check if this is a Final Event - // - VirtualControlLoopNotification notification = $manager.isControlLoopFinal(); - - - if (notification != null) { - // - // Its final, but are we waiting for abatement? - // - if ($manager.getNumAbatements() > 0) { - logger.info("{}: {}: abatement received for {}. Closing the control loop", - $params.getClosedLoopControlName(), drools.getRule().getName(), - $event.requestID); - notification.from = "policy"; - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${policyVersion}"; - // - // In this case, we are done - // - PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); - // - // 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.notification == ControlLoopNotificationType.FINAL_SUCCESS) { - logger.info("{}: {}: waiting for abatement ..", - $params.getClosedLoopControlName(), drools.getRule().getName()); - } else { - logger.info("{}: {}: no abatement expect for {}. Closing the control loop", - $params.getClosedLoopControlName(), drools.getRule().getName(), - $event.requestID); - - notification.from = "policy"; - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${policyVersion}"; - - // - // In this case, we are done - // - PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); - // - // 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); - } - } - } else { - // - // NOT final, so let's ask for the next operation - // - ControlLoopOperationManager operation = $manager.processControlLoop(); - if (operation != null) { - logger.info("{}: {}: starting operation={}", - $params.getClosedLoopControlName(), drools.getRule().getName(), - operation); - // - // insert into memory - // - insert(operation); - // - // insert operation timeout object - // - OperationTimer opTimer = new OperationTimer(); - opTimer.setClosedLoopControlName($event.closedLoopControlName); - opTimer.setRequestID($event.requestID.toString()); - opTimer.setDelay(operation.getOperationTimeout().toString() + "s"); - insert(opTimer); - - // - // Let's ask for a lock right away - // - LockResult<GuardResult, TargetLock> result = $manager.lockCurrentOperation(); - if (result.getA().equals(GuardResult.LOCK_ACQUIRED)) { - logger.info("{}: {}: guard lock acquired={}", - $params.getClosedLoopControlName(), drools.getRule().getName(), - result.getB()); - - // - // Insert into memory - // - insert(result.getB()); - } - } else { - // - // Probably waiting for abatement - // - logger.info("{}: {}: no operation, probably waiting for abatement", - $params.getClosedLoopControlName(), drools.getRule().getName()); - } - } - } catch (Exception e) { - logger.warn("{}: {}: unexpected", - $params.getClosedLoopControlName(), - drools.getRule().getName(), e); - - // - // TODO should we abort if we get an exception? - // - } - -end - - - -/* -* -* -* -*/ -rule "${policyName}.EVENT.MANAGER.OPERATION.NOT_LOCKED.TIMEOUT" - timer (int: 5s 5s) - when - $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) - $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName() ) - $manager : ControlLoopEventManager( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID ) - $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.closedLoopControlName, onset.requestID == $event.requestID ) - not ( TargetLock (requestID == $event.requestID) ) - then - - Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); - logger.info("{}: {}: event={} manager={} operation={}", - $params.getClosedLoopControlName(), drools.getRule().getName(), - $event, $manager, $operation); - - // - // Need to ask for a Lock - // - LockResult<GuardResult, TargetLock> result = $manager.lockCurrentOperation(); - if (result.getA().equals(GuardResult.LOCK_ACQUIRED)) { - logger.info("{}: {}: guard lock acquired={}", - $params.getClosedLoopControlName(), drools.getRule().getName(), - result.getB()); - - // - // Insert into memory - // - insert(result.getB()); - } - -end - -/* -* -* Guard Permitted, let's send request to the actor. -* -*/ -rule "${policyName}.EVENT.MANAGER.OPERATION.LOCKED.GUARD_PERMITTED" - when - $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) - $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName() ) - $manager : ControlLoopEventManager( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID ) - $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.closedLoopControlName, onset.requestID == $event.requestID, "Permit".equalsIgnoreCase(getGuardApprovalStatus()) ) - $lock : TargetLock (requestID == $event.requestID) - 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 = $operation.startOperation($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.notification = ControlLoopNotificationType.OPERATION; - notification.message = $operation.getOperationMessage(); - notification.history = $operation.getHistory(); - notification.from = "policy"; - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${policyVersion}"; - - PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); - - switch ($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(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", - $params.getClosedLoopControlName(), - drools.getRule().getName()); - } -end - - -/* -* -* We were able to acquire a lock so now let's ask Xacml Guard whether -* we are allowed to proceed with the request to the actor. -* -*/ -rule "${policyName}.EVENT.MANAGER.OPERATION.LOCKED.GUARD_NOT_YET_QUERIED" - when - $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) - $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName() ) - $manager : ControlLoopEventManager( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID ) - $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.closedLoopControlName, onset.requestID == $event.requestID, getGuardApprovalStatus() == "NONE" ) - $lock : TargetLock (requestID == $event.requestID) - 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.notification = ControlLoopNotificationType.OPERATION; - notification.message = "Sending guard query for " + $operation.policy.getActor() + " " + $operation.policy.getRecipe(); - notification.history = $operation.getHistory(); - notification.from = "policy"; - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${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. - // - // In order to use REST XACML, provide a URL instead of "" as a second argument - // to the CallGuardTask() and set the first argument to null - // (instead of XacmlPdpEngine). - // - - // 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 org.onap.policy.guard.CallGuardTask( - drools.getWorkingMemory(), - $event.closedLoopControlName, - $operation.policy.getActor().toString(), - $operation.policy.getRecipe(), - $manager.getTargetInstance($operation.policy), - //$event.target, - $event.requestID.toString() - )); - t.start(); - } - else{ - insert(new PolicyGuardResponse("Permit", $event.requestID, $operation.policy.getRecipe())); - } - -end - -// -// This rule will be triggered when a thread talking to the XACML Guard inserts a -// guardResponse object into the working memory -// -rule "${policyName}.GUARD.RESPONSE" - when - $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) - $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET ) - $manager : ControlLoopEventManager( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID ) - $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.closedLoopControlName, onset.requestID == $event.requestID ) - $lock : TargetLock (requestID == $event.requestID) - $opTimer : OperationTimer( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID.toString() ) - $guardResponse : PolicyGuardResponse(requestID == $event.requestID, $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.result)){ - $guardResponse.result = "Permit"; - } - - // - // This notification has Guard result in "message". ("DB write - end operation in case of Guard Deny") - // - VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event); - notification.notification = ControlLoopNotificationType.OPERATION; - notification.message = "Guard result for " + $operation.policy.getActor() + " " + $operation.policy.getRecipe() + " is " + $guardResponse.result; - notification.history = $operation.getHistory(); - notification.from = "policy"; - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${policyVersion}"; - - PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); - - if("Permit".equalsIgnoreCase($guardResponse.result)){ - - modify($operation){setGuardApprovalStatus($guardResponse.result)}; - } - else { - //This is the Deny case - $operation.setOperationHasGuardDeny(); - retract($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 == $onset.requestID ) -* -* However, no compile error was given. But a runtime error was given. I think -* because drools is confused between the classname CommonHeader vs the property CommonHeader. -* -*/ -rule "${policyName}.APPC.RESPONSE" - when - $params : Params( getClosedLoopControlName() == "${closedLoopControlName}" ) - $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET ) - $manager : ControlLoopEventManager( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID ) - $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.closedLoopControlName, onset.requestID == $event.requestID ) - $opTimer : OperationTimer( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID.toString() ) - $lock : TargetLock (requestID == $event.requestID) - $response : Response( getCommonHeader().RequestID == $event.requestID ) - 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.from = "policy"; - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${policyVersion}"; - notification.message = $operation.getOperationHistory(); - notification.history = $operation.getHistory(); - if (policyResult.equals(PolicyResult.SUCCESS)) { - notification.notification = ControlLoopNotificationType.OPERATION_SUCCESS; - // - // Let interested parties know - // - PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); - } else { - notification.notification = ControlLoopNotificationType.OPERATION_FAILURE; - // - // Let interested parties know - // - PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); - } - // - // Ensure the operation is complete - // - if ($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( closedLoopControlName == $params.getClosedLoopControlName(), 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.closedLoopControlName, requestID == $event.requestID ) - $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.closedLoopControlName, onset.requestID == $event.requestID ) - $opTimer : OperationTimer( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID.toString() ) - $lock : TargetLock (requestID == $event.requestID) - $response : LCMResponseWrapper( getBody().getCommonHeader().getRequestId() == $event.requestID ) - 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.from = "policy"; - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${policyVersion}"; - notification.message = $operation.getOperationHistory(); - notification.history = $operation.getHistory(); - if (policyResult.equals(PolicyResult.SUCCESS)) { - notification.notification = ControlLoopNotificationType.OPERATION_SUCCESS; - } else { - notification.notification = ControlLoopNotificationType.OPERATION_FAILURE; - } - PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); - // - // Ensure the operation is complete - // - if ($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( closedLoopControlName == $params.getClosedLoopControlName(), 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.closedLoopControlName ) - $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.closedLoopControlName, onset.requestID == $event.requestID ) - $opTimer : OperationTimer( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID.toString() ) - $lock : TargetLock (requestID == $event.requestID) - $response : SOResponse( requestReferences.requestId.toString() == $event.requestID.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.from = "policy"; - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${policyVersion}"; - notification.message = $operation.getOperationHistory(); - notification.history = $operation.getHistory(); - if (policyResult.equals(PolicyResult.SUCCESS)) { - notification.notification = ControlLoopNotificationType.OPERATION_SUCCESS; - } else { - notification.notification = ControlLoopNotificationType.OPERATION_FAILURE; - - } - PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); - // - // Ensure the operation is complete - // - if ($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.closedLoopControlName ) - $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.closedLoopControlName, onset.requestID == $event.requestID ) - $opTimer : OperationTimer( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID.toString() ) - $lock : TargetLock (requestID == $event.requestID) - $response : VFCResponse( requestId.toString() == $event.requestID.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($event); - notification.from = "policy"; - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${policyVersion}"; - notification.message = $operation.getOperationHistory(); - notification.history = $operation.getHistory(); - // - // Ensure the operation is complete - // - if ($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.closedLoopControlName, requestID == $event.requestID ) - $operation : ControlLoopOperationManager( onset.closedLoopControlName == $event.closedLoopControlName, onset.requestID == $event.requestID ) - $opTimer : OperationTimer( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID.toString(), $to : getDelay() ) - $lock : TargetLock (requestID == $event.requestID) - 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.from = "policy"; - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${policyVersion}"; - notification.notification = ControlLoopNotificationType.OPERATION_FAILURE; - notification.message = $operation.getOperationHistory(); - notification.history = $operation.getHistory(); - // - // Let interested parties know - // - PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); - // - // Get rid of the timer - // - retract($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.closedLoopControlName, requestID == $event.requestID ) - $clTimer : ControlLoopTimer ( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID.toString(), $to : getDelay() ) - $operations : LinkedList() - from collect( ControlLoopOperationManager( onset.closedLoopControlName == $event.closedLoopControlName, onset.requestID == $event.requestID ) ) - $opTimers : LinkedList() - from collect( OperationTimer( closedLoopControlName == $event.closedLoopControlName, requestID == $event.requestID.toString() ) ) - $locks : LinkedList() - from collect( TargetLock (requestID == $event.requestID) ) - then - - Logger logger = LoggerFactory.getLogger(drools.getRule().getPackage()); - logger.info("{}: {}", $params.getClosedLoopControlName(), drools.getRule().getName()); - - if ($operations == null) { - logger.debug("{}: {}: event={} manager={} clTimer={} operations=0", - $params.getClosedLoopControlName(), drools.getRule().getName(), - $event, $manager, $clTimer); - } else { - logger.debug("{}: {}: event={} manager={} clTimer={} operations={}", - $params.getClosedLoopControlName(), drools.getRule().getName(), - $event, $manager, $clTimer, $operations.size()); - } - // - // Tell the Event Manager it has timed out - // - VirtualControlLoopNotification notification = $manager.setControlLoopTimedOut(); - if (notification != null) { - notification.from = "policy"; - notification.policyName = drools.getRule().getName(); - notification.policyScope = "${policyScope}"; - notification.policyVersion = "${policyVersion}"; - // - // Let interested parties know - // - PolicyEngine.manager.deliver("POLICY-CL-MGT", notification); - } - // - // Retract EVERYTHING - // - retract($event); - retract($manager); - retract($clTimer); - if ($operations != null && $operations.size() > 0) { - Iterator<ControlLoopOperationManager> iter = $operations.iterator(); - while (iter.hasNext()) { - ControlLoopOperationManager manager = iter.next(); - retract(manager); - } - } - if ($opTimers != null && $opTimers.size() > 0) { - Iterator<OperationTimer> iter = $opTimers.iterator(); - while (iter.hasNext()) { - OperationTimer opTimer = iter.next(); - retract(opTimer); - } - } - if ($locks != null && $locks.size() > 0) { - Iterator<TargetLock> iter = $locks.iterator(); - while (iter.hasNext()) { - TargetLock lock = iter.next(); - // - // Ensure we release the lock - // - PolicyGuard.unlockTarget(lock); - // - // - // - retract(lock); - } - } -end |