gerrit.onap Code Review - policy/drools-applications.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.policy.controlloop;
  22
  23 import java.util.List;
  24 import java.util.LinkedList;
  25 import java.util.Map;
  26 import java.util.HashMap;
  27 import java.util.UUID;
  28
  29 import org.onap.policy.controlloop.VirtualControlLoopEvent;
  30 import org.onap.policy.controlloop.ControlLoopEventStatus;
  31 import org.onap.policy.controlloop.VirtualControlLoopNotification;
  32 import org.onap.policy.controlloop.ControlLoopNotificationType;
  33 import org.onap.policy.controlloop.ControlLoopOperation;
  34 import org.onap.policy.controlloop.ControlLoopOperationWrapper;
  35 import org.onap.policy.controlloop.ControlLoopException;
  36
  37 import org.onap.policy.aai.AAINQF199.AAINQF199CloudRegion;
  38 import org.onap.policy.aai.AAINQF199.AAINQF199ExtraProperties;
  39 import org.onap.policy.aai.AAINQF199.AAINQF199ExtraProperty;
  40 import org.onap.policy.aai.AAINQF199.AAINQF199GenericVNF;
  41 import org.onap.policy.aai.AAINQF199.AAINQF199InstanceFilters;
  42 import org.onap.policy.aai.AAINQF199.AAINQF199InventoryResponseItem;
  43 import org.onap.policy.aai.AAINQF199.AAINQF199InventoryResponseItems;
  44 import org.onap.policy.aai.AAINQF199.AAINQF199Manager;
  45 import org.onap.policy.aai.AAINQF199.AAINQF199NamedQuery;
  46 import org.onap.policy.aai.AAINQF199.AAINQF199QueryParameters;
  47 import org.onap.policy.aai.AAINQF199.AAINQF199Request;
  48 import org.onap.policy.aai.AAINQF199.AAINQF199RequestWrapper;
  49 import org.onap.policy.aai.AAINQF199.AAINQF199Response;
  50 import org.onap.policy.aai.AAINQF199.AAINQF199ResponseWrapper;
  51 import org.onap.policy.aai.AAINQF199.AAINQF199ServiceInstance;
  52 import org.onap.policy.aai.AAINQF199.AAINQF199Tenant;
  53 import org.onap.policy.aai.AAINQF199.AAINQF199VfModule;
  54 import org.onap.policy.aai.AAINQF199.AAINQF199VServer;
  55 import org.onap.policy.aai.util.Serialization;
  56
  57 import org.onap.policy.appc.CommonHeader;
  58 import org.onap.policy.appc.Request;
  59 import org.onap.policy.appc.Response;
  60 import org.onap.policy.appc.ResponseCode;
  61 import org.onap.policy.appc.ResponseStatus;
  62 import org.onap.policy.appc.ResponseValue;
  63
  64 import org.onap.policy.controlloop.eventmanager.ControlLoopEventManager;
  65 import org.onap.policy.vnf.trafficgenerator.PGRequest;
  66 import org.onap.policy.vnf.trafficgenerator.PGStream;
  67 import org.onap.policy.vnf.trafficgenerator.PGStreams;
  68
  69 import org.onap.policy.mso.MSOManager;
  70 import org.onap.policy.mso.MSORequest;
  71 import org.onap.policy.mso.MSORequestStatus;
  72 import org.onap.policy.mso.MSORequestDetails;
  73 import org.onap.policy.mso.MSOModelInfo;
  74 import org.onap.policy.mso.MSOCloudConfiguration;
  75 import org.onap.policy.mso.MSORequestInfo;
  76 import org.onap.policy.mso.MSORequestParameters;
  77 import org.onap.policy.mso.MSORelatedInstanceListElement;
  78 import org.onap.policy.mso.MSORelatedInstance;
  79 import org.onap.policy.mso.MSOResponse;
  80
  81 import org.onap.policy.drools.system.PolicyEngine;
  82
  83 //
  84 // These parameters are required to build the runtime policy
  85 //
  86 declare Params
  87     closedLoopControlName : String
  88     actor : String
  89     aaiURL : String
  90     aaiUsername : String
  91     aaiPassword : String
  92     msoURL : String
  93     msoUsername : String
  94     msoPassword : String
  95     aaiNamedQueryUUID : String
  96     aaiPatternMatch : int
  97     notificationTopic : String
  98     appcTopic : String
  99 end
 100
 101 /*
 102 *
 103 * Called once and only once to insert the parameters into working memory for this Closed Loop policy.
 104 * NOTE:  If this file is to be used as a template to be used with the policy BRMS GW, please comment out this line
 105 * as the BRMS_GW already generates a SETUP rule
 106 *
 107 */
 108 rule "${policyName}.SETUP"
 109         when
 110         then
 111                 System.out.println("rule SETUP is triggered.");
 112                 Params params = new Params();
 113                 params.setClosedLoopControlName("${controlLoopName}");
 114                 params.setActor("${actor}");
 115                 params.setAaiURL("${aaiURL}");
 116                 params.setAaiUsername("${aaiUsername}");
 117                 params.setAaiPassword("${aaiPassword}");
 118                 params.setMsoURL("${msoURL}");
 119                 params.setMsoUsername("${msoUsername}");
 120                 params.setMsoPassword("${msoPassword}");
 121                 params.setAaiNamedQueryUUID("${aaiNamedQueryUUID}");
 122                 params.setAaiPatternMatch(${aaiPatternMatch});
 123                 params.setNotificationTopic("${notificationTopic}");
 124                 params.setAppcTopic("${appcTopic}");
 125                 //
 126                 // This stays in memory as long as the rule is alive and running
 127                 //
 128                 insert(params);
 129 end
 130
 131
 132 /*
 133 *
 134 * This rule responds to DCAE Events
 135 *
 136 */
 137 rule "${policyName}.EVENT"
 138         when
 139         $params : Params( getClosedLoopControlName() == "${controlLoopName}" )
 140         $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET )
 141         not ( ControlLoopEventManager( closedLoopControlName == $event.closedLoopControlName ))
 142         then
 143                 System.out.println("rule EVENT is triggered.");
 144                 try {
 145                         //
 146                         // Check the requestID in the event to make sure it is not null before we create the EventManager.
 147                         // The EventManager will do extra syntax checking as well check if the closed loop is disabled/
 148                         //
 149                         if ($event.requestID == null) {
 150                                 VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event);
 151                                 notification.notification = ControlLoopNotificationType.REJECTED;
 152                                 notification.from = "policy";
 153                                 notification.message = "Missing requestID from DCAE event";
 154                                 notification.policyName = drools.getRule().getName();
 155                                 notification.policyScope = "${policyScope}";
 156                                 notification.policyVersion = "${policyVersion}";
 157                                 //
 158                                 // Let interested parties know
 159                                 //
 160                                 try {
 161                                         System.out.println(Serialization.gsonPretty.toJson(notification));
 162                                         PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 163                                 } catch (Exception e) {
 164                                         e.printStackTrace();
 165                                         System.out.println("Can't deliver notification: " + notification);
 166                                 }
 167                                 //
 168                                 // Retract it from memory
 169                                 //
 170                                 retract($event);
 171                                 System.out.println("Event with requestID=null has been retracted.");
 172                         } else {
 173                                 //
 174                                 // Create an EventManager
 175                                 //
 176                                 ControlLoopEventManager manager = new ControlLoopEventManager($params.getClosedLoopControlName(), $event.requestID);
 177                                 //
 178                                 // Determine if EventManager can actively process the event (i.e. syntax)
 179                                 //
 180                                 VirtualControlLoopNotification notification = manager.activate($event);
 181                                 notification.from = "policy";
 182                                 notification.policyName = drools.getRule().getName();
 183                                 notification.policyScope = "${policyScope}";
 184                                 notification.policyVersion = "${policyVersion}";
 185                                 //
 186                                 // Are we actively pursuing this event?
 187                                 //
 188                                 if (notification.notification == ControlLoopNotificationType.ACTIVE) {
 189                                         //
 190                                         // Insert Event Manager into memory, this will now kick off processing.
 191                                         //
 192                                         insert(manager);
 193                                         //
 194                                         // Let interested parties know
 195                                         //
 196                                         try {
 197                                                 System.out.println(Serialization.gsonPretty.toJson(notification));
 198                                                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 199                                         } catch (Exception e) {
 200                                                 e.printStackTrace();
 201                                                 System.out.println("Can't deliver notification: " + notification);
 202                                         }
 203                                 } else {
 204                                         //
 205                                         // Let interested parties know
 206                                         //
 207                                         try {
 208                                                 System.out.println(Serialization.gsonPretty.toJson(notification));
 209                                                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 210                                         } catch (Exception e) {
 211                                                 e.printStackTrace();
 212                                                 System.out.println("Can't deliver notification: " + notification);
 213                                         }
 214                                         //
 215                                         // Retract it from memory
 216                                         //
 217                                         retract($event);
 218                                 }
 219                                 //
 220                                 // Now that the manager is inserted into Drools working memory, we'll wait for
 221                                 // another rule to fire in order to continue processing. This way we can also
 222                                 // then screen for additional ONSET and ABATED events for this same RequestIDs
 223                                 // and for different RequestIDs but with the same closedLoopControlName and target.
 224                                 //
 225                         }
 226                 //
 227                 } catch (Exception e) {
 228                         e.printStackTrace();
 229                         VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event);
 230                         notification.notification = ControlLoopNotificationType.REJECTED;
 231                         notification.message = "Exception occurred " + e.getMessage();
 232                         notification.policyName = drools.getRule().getName();
 233                         notification.policyScope = "${policyScope}";
 234                         notification.policyVersion = "${policyVersion}";
 235                         //
 236                         //
 237                         //
 238                         try {
 239                                 System.out.println(Serialization.gsonPretty.toJson(notification));
 240                                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 241                         } catch (Exception e1) {
 242                                 System.out.println("Can't deliver notification: " + notification);
 243                                 e1.printStackTrace();
 244                         }
 245                         //
 246                         // Retract the event
 247                         //
 248                         retract($event);
 249                 }
 250 end
 251
 252 /*
 253 *
 254 * This rule happens when we got a valid ONSET, closed loop is enabled and an Event Manager
 255 * is created. We can start the operations for this closed loop.
 256 *
 257 */
 258 rule "${policyName}.EVENT.MANAGER"
 259         when
 260                 $params : Params( getClosedLoopControlName() == "${controlLoopName}" )
 261                 $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET )
 262                 $manager : ControlLoopEventManager( closedLoopControlName == $event.closedLoopControlName, controlLoopResult == null)
 263         then
 264                 System.out.println("rule EVENT.MANAGER is triggered.");
 265                 //
 266                 // Check which event this is.
 267                 //
 268                 ControlLoopEventManager.NEW_EVENT_STATUS eventStatus = $manager.onNewEvent($event);
 269                 //
 270                 // We only want the initial ONSET event in memory,
 271                 // all the other events need to be retracted to support
 272                 // cleanup and avoid the other rules being fired for this event.
 273                 //
 274                 if (eventStatus != ControlLoopEventManager.NEW_EVENT_STATUS.FIRST_ONSET) {
 275                         System.out.println("Retracting "+eventStatus+" Event.");
 276                         retract($event);
 277                         return;
 278                 }
 279                 //
 280                 // Now the event in memory is first onset event
 281                 //
 282                 try {
 283                         //
 284                         // Pull the known AAI field from the Event
 285                         //
 286                         // generic-vnf is needed for vFirewall case
 287                         // vserver-name is needed for vLoadBalancer case
 288                         //
 289                         String genericVNF = $event.AAI.get("generic-vnf.vnf-id");
 290                         String vserver = $event.AAI.get("vserver.vserver-name");
 291                         //
 292                         // Check if we are implementing a simple pattern match.
 293                         //
 294                         if ($params.getAaiPatternMatch() == 1) {
 295                                 //
 296                                 // Yes
 297                                 //
 298                                 //Basic naming characteristics:
 299                                 //VF Name (9 char)+VM name (13 char total)+VFC (19 char total)
 300                                 //Example:
 301                                 //VF Name (9 characters):    cscf0001v
 302                                 //VM Name(13 characters): cscf0001vm001
 303                                 //VFC name(19 characters): cscf0001vm001cfg001
 304                                 //
 305                                 // zdfw1fwl01fwl02 or zdfw1fwl01fwl01
 306                                 // replaced with
 307                                 // zdfw1fwl01pgn02 or zdfw1fwl01pgn01
 308                                 //
 309                                 int index = genericVNF.lastIndexOf("fwl");
 310                                 if (index == -1) {
 311                                         System.err.println("The generic-vnf.vnf-id from DCAE Event is not valid.");
 312                                 } else {
 313                                         genericVNF = genericVNF.substring(0, index) + "pgn" + genericVNF.substring(index+"fwl".length());
 314                                 }
 315                                 //
 316                                 // Construct an APPC request
 317                                 //
 318                                 ControlLoopOperation operation = new ControlLoopOperation();
 319                                 operation.actor = $params.getActor();
 320                                 operation.operation = "ModifyConfig";
 321                                 operation.target = $event.target;
 322                                 //
 323                                 // Create operationWrapper
 324                                 //
 325                                 ControlLoopOperationWrapper operationWrapper = new ControlLoopOperationWrapper($event.requestID, operation);
 326                                 //
 327                                 // insert operationWrapper into memory
 328                                 //
 329                                 insert(operationWrapper);
 330                                 //
 331                                 Request request = new Request();
 332                                 request.CommonHeader = new CommonHeader();
 333                                 request.CommonHeader.RequestID = $event.requestID;
 334                                 request.Action = operation.operation;
 335                                 request.Payload = new HashMap<String, Object>();
 336                                 //
 337                                 // Fill in the payload
 338                                 //
 339                                 request.Payload.put("generic-vnf.vnf-id", genericVNF);
 340                                 //
 341                                 PGRequest pgRequest = new PGRequest();
 342                                 pgRequest.pgStreams = new PGStreams();
 343
 344                                 PGStream pgStream;
 345                                 for(int i = 0; i < 5; i++){
 346                                         pgStream = new PGStream();
 347                                         pgStream.streamId = "fw_udp"+(i+1);
 348                                         pgStream.isEnabled = "true";
 349                                         pgRequest.pgStreams.pgStream.add(pgStream);
 350                                 }
 351                                 request.Payload.put("pg-streams", pgRequest.pgStreams);
 352
 353                                 if (request != null) {
 354                                         //
 355                                         // Insert request into memory
 356                                         //
 357                                         insert(request);
 358                                         //
 359                                         // Tell interested parties we are performing this Operation
 360                                         //
 361                                         VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event);
 362                                         notification.notification = ControlLoopNotificationType.OPERATION;
 363                                         // message and history ??
 364                                         notification.from = "policy";
 365                                         notification.policyName = drools.getRule().getName();
 366                                         notification.policyScope = "${policyScope}";
 367                                         notification.policyVersion = "${policyVersion}";
 368                                         try {
 369                                                 System.out.println(Serialization.gsonPretty.toJson(notification));
 370                                                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 371                                         } catch (Exception e) {
 372                                                 System.out.println("Can't deliver notification: " + notification);
 373                                                 e.printStackTrace();
 374                                         }
 375                                         //
 376                                         // Now send the operation request
 377                                         //
 378                                         if (request instanceof Request) {
 379                                                 try {
 380                                                         System.out.println("APPC request sent:");
 381                                                         System.out.println(Serialization.gsonPretty.toJson(request));
 382                                                         PolicyEngine.manager.deliver($params.getAppcTopic(), request);
 383                                                 } catch (Exception e) {
 384                                                         e.printStackTrace();
 385                                                         System.out.println("Can't deliver request: " + request);
 386                                                 }
 387                                         }
 388                                 } else {
 389                                         //
 390                                         // what happens if it is null
 391                                         //
 392                                 }
 393                                 //
 394                         } else {
 395                                 //
 396                                 // create AAI named-query request with UUID started with "F199"
 397                                 //
 398                                 AAINQF199Request aainqf199request = new AAINQF199Request();
 399                                 AAINQF199QueryParameters aainqf199queryparam = new AAINQF199QueryParameters();
 400                                 AAINQF199NamedQuery aainqf199namedquery = new AAINQF199NamedQuery();
 401                                 AAINQF199InstanceFilters aainqf199instancefilter = new AAINQF199InstanceFilters();
 402                                 //
 403                                 // queryParameters
 404                                 //
 405                                 aainqf199namedquery.namedQueryUUID = UUID.fromString($params.getAaiNamedQueryUUID());
 406                                 aainqf199queryparam.namedQuery = aainqf199namedquery;
 407                                 aainqf199request.queryParameters = aainqf199queryparam;
 408                                 //
 409                                 // instanceFilters
 410                                 //
 411                                 Map aainqf199instancefiltermap = new HashMap();
 412                                 Map aainqf199instancefiltermapitem = new HashMap();
 413                                 aainqf199instancefiltermapitem.put("vserver-name", vserver);
 414                                 aainqf199instancefiltermap.put("vserver", aainqf199instancefiltermapitem);
 415                                 aainqf199instancefilter.instanceFilter.add(aainqf199instancefiltermap);
 416                                 aainqf199request.instanceFilters = aainqf199instancefilter;
 417                                 //
 418                                 // print aainqf199request for debug
 419                                 //
 420                                 System.out.println("AAI Request sent:");
 421                                 System.out.println(Serialization.gsonPretty.toJson(aainqf199request));
 422                                 //
 423                                 // Create AAINQF199RequestWrapper
 424                                 //
 425                                 AAINQF199RequestWrapper aainqf199RequestWrapper = new AAINQF199RequestWrapper($event.requestID, aainqf199request);
 426                                 //
 427                                 // insert aainqf199request into memory
 428                                 //
 429                                 insert(aainqf199RequestWrapper);
 430                         }
 431                         //
 432                 } catch (Exception e) {
 433                  e.printStackTrace();
 434                 }
 435 end
 436
 437 /*
 438 *
 439 * This rule happens when we got a valid ONSET, closed loop is enabled, an Event Manager
 440 * is created, AAI Manager and AAI Request are ready in memory. We can start sending query to AAI and then wait for response.
 441 *
 442 */
 443 rule "${policyName}.EVENT.MANAGER.AAINQF199REQUEST"
 444         when
 445                 $params : Params( getClosedLoopControlName() == "${controlLoopName}" )
 446                 $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET )
 447                 $manager : ControlLoopEventManager( closedLoopControlName == $event.closedLoopControlName )
 448                 $aainqf199RequestWrapper : AAINQF199RequestWrapper(requestID == $event.requestID)
 449         then
 450                 System.out.println("rule EVENT.MANAGER.AAINQF199REQUEST is triggered.");
 451                 //
 452                 // send the request
 453                 //
 454                 AAINQF199Response aainqf199response = AAINQF199Manager.postQuery($params.getAaiURL(), $params.getAaiUsername(), $params.getAaiPassword(),
 455                                                                                                            $aainqf199RequestWrapper.aainqf199request, $event.requestID);
 456
 457                 //
 458                 // Check AAI response
 459                 //
 460                 if (aainqf199response == null) {
 461                         System.err.println("Failed to get AAI response");
 462                         //
 463                         // Fail and retract everything
 464                         //
 465                         retract($event);
 466                         retract($manager);
 467                         retract($aainqf199RequestWrapper);
 468                 } else {
 469                         //
 470                         // Create AAINQF199ResponseWrapper
 471                         //
 472                         AAINQF199ResponseWrapper aainqf199ResponseWrapper = new AAINQF199ResponseWrapper($event.requestID, aainqf199response);
 473                         //
 474                         // insert aainqf199ResponseWrapper to memeory
 475                         //
 476                         insert(aainqf199ResponseWrapper);
 477                 }
 478 end
 479
 480 /*
 481 *
 482 * This rule happens when we got a valid AAI response. We can start sending request to APPC or MSO now.
 483 *
 484 */
 485 rule "${policyName}.EVENT.MANAGER.AAINQF199RESPONSE"
 486         when
 487                 $params : Params( getClosedLoopControlName() == "${controlLoopName}" )
 488                 $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET )
 489                 $manager : ControlLoopEventManager( closedLoopControlName == $event.closedLoopControlName )
 490                 $aainqf199RequestWrapper : AAINQF199RequestWrapper(requestID == $event.requestID)
 491                 $aainqf199ResponseWrapper : AAINQF199ResponseWrapper(requestID == $event.requestID)
 492         then
 493                 System.out.println("rule EVENT.MANAGER.AAINQF199RESPONSE is triggered.");
 494                 //
 495                 // Extract related fields out of AAINQF199RESPONSE
 496                 //
 497                 String vnfItemVnfId, vnfItemVnfType, vnfItemPersonaModelId, vnfItemPersonaModelVersion, vnfItemModelName,
 498                        vnfItemModelVersion, vnfItemModelNameVersionId, serviceItemServiceInstanceId, serviceItemPersonaModelId,
 499                        serviceItemModelName, serviceItemModelType, serviceItemModelVersion, serviceItemModelNameVersionId,
 500                        vfModuleItemVfModuleName, vfModuleItemPersonaModelId, vfModuleItemPersonaModelVersion, vfModuleItemModelName,
 501                        vfModuleItemModelNameVersionId, tenantItemTenantId, cloudRegionItemCloudRegionId;
 502                 try {
 503                         //
 504                         // vnfItem
 505                         //
 506                         vnfItemVnfId = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).genericVNF.vnfID;
 507                         vnfItemVnfType = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).genericVNF.vnfType;
 508                         vnfItemVnfType = vnfItemVnfType.substring(vnfItemVnfType.lastIndexOf("/")+1);
 509                         vnfItemPersonaModelId = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).genericVNF.personaModelId;
 510                         vnfItemPersonaModelVersion = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).genericVNF.personaModelVersion;
 511                         vnfItemModelName = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).extraProperties.extraProperty.get(0).propertyValue;
 512                         vnfItemModelVersion =           $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).extraProperties.extraProperty.get(2).propertyValue;
 513                         vnfItemModelNameVersionId =     $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).extraProperties.extraProperty.get(4).propertyValue;
 514                         //
 515                         // serviceItem
 516                         //
 517                         serviceItemServiceInstanceId = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).serviceInstance.serviceInstanceID;
 518                         serviceItemPersonaModelId = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).serviceInstance.personaModelId;
 519                         serviceItemModelName = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).extraProperties.extraProperty.get(0).propertyValue;
 520                         serviceItemModelType = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).extraProperties.extraProperty.get(1).propertyValue;
 521                         serviceItemModelVersion = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).serviceInstance.personaModelVersion;
 522                         serviceItemModelNameVersionId = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).extraProperties.extraProperty.get(4).propertyValue;
 523                         //
 524                         // Find the index for base vf module and non-base vf module
 525                         //
 526                         int baseIndex = -1;
 527                         int nonBaseIndex = -1;
 528                         List<AAINQF199InventoryResponseItem> inventoryItems = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).items.inventoryResponseItems;
 529                         for (AAINQF199InventoryResponseItem m : inventoryItems) {
 530                                 if (m.vfModule != null && m.vfModule.isBaseVfModule == true) {
 531                                         baseIndex = inventoryItems.indexOf(m);
 532                                 } else if (m.vfModule != null && m.vfModule.isBaseVfModule == false && m.vfModule.orchestrationStatus == null) {
 533                                         nonBaseIndex = inventoryItems.indexOf(m);
 534                                 }
 535                                 //
 536                                 if (baseIndex != -1 && nonBaseIndex != -1) {
 537                                         break;
 538                                 }
 539                         }
 540                         //
 541                         // Report the error if either base vf module or non-base vf module is not found
 542                         //
 543                         if (baseIndex == -1 || nonBaseIndex == -1) {
 544                                 System.err.println("Either base or non-base vf module is not found from AAI response.");
 545                                 retract($aainqf199RequestWrapper);
 546                                 retract($aainqf199ResponseWrapper);
 547                                 retract($manager);
 548                                 retract($event);
 549                                 return;
 550                         }
 551                         //
 552                         // This comes from the base module
 553                         //
 554                         vfModuleItemVfModuleName =                      $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).items.inventoryResponseItems.get(baseIndex).vfModule.vfModuleName;
 555                         vfModuleItemVfModuleName = vfModuleItemVfModuleName.replace("Vfmodule", "vDNS");
 556                         //
 557                         // vfModuleItem - NOT the base module
 558                         //
 559                         vfModuleItemPersonaModelId =            $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).items.inventoryResponseItems.get(nonBaseIndex).vfModule.personaModelId;
 560                         vfModuleItemPersonaModelVersion =       $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).items.inventoryResponseItems.get(nonBaseIndex).vfModule.personaModelVersion;
 561                         vfModuleItemModelName =                         $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).items.inventoryResponseItems.get(nonBaseIndex).extraProperties.extraProperty.get(0).propertyValue;
 562                         vfModuleItemModelNameVersionId =        $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(0).items.inventoryResponseItems.get(nonBaseIndex).extraProperties.extraProperty.get(4).propertyValue;
 563                         //
 564                         // tenantItem
 565                         //
 566                         tenantItemTenantId = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(1).tenant.tenantId;
 567                         //
 568                         // cloudRegionItem
 569                         //
 570                         cloudRegionItemCloudRegionId = $aainqf199ResponseWrapper.aainqf199response.inventoryResponseItems.get(0).items.inventoryResponseItems.get(1).items.inventoryResponseItems.get(0).cloudRegion.cloudRegionId;
 571                         //
 572                 } catch (Exception e) {
 573                         e.printStackTrace();
 574                         VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event);
 575                         notification.notification = ControlLoopNotificationType.REJECTED;
 576                         notification.message = "Exception occurred " + e.getMessage();
 577                         notification.policyName = drools.getRule().getName();
 578                         notification.policyScope = "${policyScope}";
 579                         notification.policyVersion = "${policyVersion}";
 580                         //
 581                         try {
 582                                 System.out.println(Serialization.gsonPretty.toJson(notification));
 583                                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 584                         } catch (Exception e1) {
 585                                 System.out.println("Can't deliver notification: " + notification);
 586                                 e1.printStackTrace();
 587                         }
 588                         //
 589                         notification.notification = ControlLoopNotificationType.FINAL_FAILURE;
 590                         notification.message = "Invalid named-query response from AAI";
 591             //
 592             try {
 593                 System.out.println(Serialization.gsonPretty.toJson(notification));
 594                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 595             } catch (Exception e1) {
 596                 System.out.println("Can't deliver notification: " + notification);
 597                 e1.printStackTrace();
 598             }
 599                         //
 600                         // Retract everything
 601                         //
 602                         retract($aainqf199RequestWrapper);
 603                         retract($aainqf199ResponseWrapper);
 604                         retract($manager);
 605                         retract($event);
 606                         return;
 607                 }
 608                 //
 609                 // Extracted fields should not be null
 610                 //
 611                 if ((vnfItemVnfId == null) || (vnfItemVnfType == null) ||
 612                     (vnfItemPersonaModelId == null) || (vnfItemModelName == null) ||
 613                     (vnfItemModelVersion == null) || (vnfItemModelNameVersionId == null) ||
 614                     (serviceItemServiceInstanceId == null) || (serviceItemModelName == null) ||
 615                     (serviceItemModelType == null) || (serviceItemModelVersion == null) ||
 616                     (serviceItemModelNameVersionId == null) || (vfModuleItemVfModuleName == null) ||
 617                     (vfModuleItemPersonaModelId == null) || (vfModuleItemPersonaModelVersion == null) ||
 618                     (vfModuleItemModelName == null) || (vfModuleItemModelNameVersionId == null) ||
 619                     (tenantItemTenantId == null) || (cloudRegionItemCloudRegionId == null)) {
 620                         //
 621                         System.err.println("some fields are missing from AAI response.");
 622                         //
 623                         // Fail and retract everything
 624                         //
 625                         retract($aainqf199RequestWrapper);
 626                         retract($aainqf199ResponseWrapper);
 627                         retract($manager);
 628                         retract($event);
 629                         return;
 630                 }
 631                 //
 632                 // We don't need them any more
 633                 //
 634                 retract($aainqf199ResponseWrapper);
 635                 retract($aainqf199RequestWrapper);
 636                 //
 637                 // check the actor of this closed loop
 638                 //
 639                 switch ($params.getActor()) {
 640                         case "APPC":
 641                         {
 642                                 //
 643                                 // Construct an APPC request
 644                                 //
 645                                 ControlLoopOperation operation = new ControlLoopOperation();
 646                                 operation.actor = $params.getActor();
 647                                 operation.operation = "ModifyConfig";
 648                                 operation.target = $event.target;
 649                                 //
 650                                 // Create operationWrapper
 651                                 //
 652                                 ControlLoopOperationWrapper operationWrapper = new ControlLoopOperationWrapper($event.requestID, operation);
 653                                 //
 654                                 // insert operationWrapper into memory
 655                                 //
 656                                 insert(operationWrapper);
 657                                 //
 658                                 Request request = new Request();
 659                                 request.CommonHeader = new CommonHeader();
 660                                 request.CommonHeader.RequestID = $event.requestID;
 661                                 request.Action = operation.operation;
 662                                 request.Payload = new HashMap<String, Object>();
 663                                 //
 664                                 // Fill in the payload
 665                                 // Hardcode genericVNF for now since AAI has not been ready for vFirewall demo case
 666                                 //
 667                                 String genericVNF = "zdfw1fwl01pgn02";
 668                                 request.Payload.put("generic-vnf.vnf-id", genericVNF);
 669                                 //
 670                                 PGRequest pgRequest = new PGRequest();
 671                                 pgRequest.pgStreams = new PGStreams();
 672
 673                                 PGStream pgStream;
 674                                 for(int i = 0; i < 5; i++){
 675                                         pgStream = new PGStream();
 676                                         pgStream.streamId = "fw_udp"+(i+1);
 677                                         pgStream.isEnabled = "true";
 678                                         pgRequest.pgStreams.pgStream.add(pgStream);
 679                                 }
 680                                 request.Payload.put("pg-streams", pgRequest.pgStreams);
 681
 682                                 if (request != null) {
 683                                         //
 684                                         // Insert request into memory
 685                                         //
 686                                         insert(request);
 687                                         //
 688                                         // Tell interested parties we are performing this Operation
 689                                         //
 690                                         VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event);
 691                                         notification.notification = ControlLoopNotificationType.OPERATION;
 692                                         // message and history ??
 693                                         notification.from = "policy";
 694                                         notification.policyName = drools.getRule().getName();
 695                                         notification.policyScope = "${policyScope}";
 696                                         notification.policyVersion = "${policyVersion}";
 697                                         try {
 698                                                 System.out.println(Serialization.gsonPretty.toJson(notification));
 699                                                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 700                                         } catch (Exception e) {
 701                                                 System.out.println("Can't deliver notification: " + notification);
 702                                                 e.printStackTrace();
 703                                         }
 704                                         //
 705                                         // Now send the operation request
 706                                         //
 707                                         if (request instanceof Request) {
 708                                                 try {
 709                                                         System.out.println("APPC request sent:");
 710                                                         System.out.println(Serialization.gsonPretty.toJson(request));
 711                                                         PolicyEngine.manager.deliver($params.getAppcTopic(), request);
 712                                                 } catch (Exception e) {
 713                                                         e.printStackTrace();
 714                                                         System.out.println("Can't deliver request: " + request);
 715                                                 }
 716                                         }
 717                                 } else {
 718                                         //
 719                                         // what happens if it is null
 720                                         //
 721                                 }
 722                         }
 723                         break;
 724                         case "MSO":
 725                         {
 726                                 //
 727                                 // Construct an operation
 728                                 //
 729                                 ControlLoopOperation operation = new ControlLoopOperation();
 730                                 operation.actor = $params.getActor();
 731                                 operation.operation = "createModuleInstance";
 732                                 operation.target = $event.target;
 733                                 //
 734                                 // Create operationWrapper
 735                                 //
 736                                 ControlLoopOperationWrapper operationWrapper = new ControlLoopOperationWrapper($event.requestID, operation);
 737                                 //
 738                                 // Construct an MSO request
 739                                 //
 740                                 MSORequest request = new MSORequest();
 741                                 request.requestDetails = new MSORequestDetails();
 742                                 request.requestDetails.modelInfo = new MSOModelInfo();
 743                                 request.requestDetails.cloudConfiguration = new MSOCloudConfiguration();
 744                                 request.requestDetails.requestInfo = new MSORequestInfo();
 745                                 request.requestDetails.requestParameters = new MSORequestParameters();
 746                                 request.requestDetails.requestParameters.userParams = null;
 747                                 //
 748                                 // cloudConfiguration
 749                                 //
 750                                 request.requestDetails.cloudConfiguration.lcpCloudRegionId = cloudRegionItemCloudRegionId;
 751                                 request.requestDetails.cloudConfiguration.tenantId = tenantItemTenantId;
 752                                 //
 753                                 // modelInfo
 754                                 //
 755                                 request.requestDetails.modelInfo.modelType = "vfModule";
 756                                 request.requestDetails.modelInfo.modelInvariantId = vfModuleItemPersonaModelId;
 757                                 request.requestDetails.modelInfo.modelNameVersionId = vfModuleItemModelNameVersionId;
 758                                 request.requestDetails.modelInfo.modelName = vfModuleItemModelName;
 759                                 request.requestDetails.modelInfo.modelVersion = vfModuleItemPersonaModelVersion;
 760                                 //
 761                                 // requestInfo
 762                                 //
 763                                 request.requestDetails.requestInfo.instanceName = vfModuleItemVfModuleName;
 764                                 request.requestDetails.requestInfo.source = "POLICY";
 765                                 request.requestDetails.requestInfo.suppressRollback = false;
 766                                 //
 767                                 // relatedInstanceList
 768                                 //
 769                                 MSORelatedInstanceListElement relatedInstanceListElement1 = new MSORelatedInstanceListElement();
 770                                 MSORelatedInstanceListElement relatedInstanceListElement2 = new MSORelatedInstanceListElement();
 771                                 relatedInstanceListElement1.relatedInstance = new MSORelatedInstance();
 772                                 relatedInstanceListElement2.relatedInstance = new MSORelatedInstance();
 773                                 //
 774                                 relatedInstanceListElement1.relatedInstance.instanceId = serviceItemServiceInstanceId;
 775                                 relatedInstanceListElement1.relatedInstance.modelInfo = new MSOModelInfo();
 776                                 relatedInstanceListElement1.relatedInstance.modelInfo.modelType = "service";
 777                                 relatedInstanceListElement1.relatedInstance.modelInfo.modelInvariantId = serviceItemPersonaModelId;
 778                                 relatedInstanceListElement1.relatedInstance.modelInfo.modelNameVersionId = serviceItemModelNameVersionId;
 779                                 relatedInstanceListElement1.relatedInstance.modelInfo.modelName = serviceItemModelName;
 780                                 relatedInstanceListElement1.relatedInstance.modelInfo.modelVersion = serviceItemModelVersion;
 781                                 //
 782                                 relatedInstanceListElement2.relatedInstance.instanceId = vnfItemVnfId;
 783                                 relatedInstanceListElement2.relatedInstance.modelInfo = new MSOModelInfo();
 784                                 relatedInstanceListElement2.relatedInstance.modelInfo.modelType = "vnf";
 785                                 relatedInstanceListElement2.relatedInstance.modelInfo.modelInvariantId = vnfItemPersonaModelId;
 786                                 relatedInstanceListElement2.relatedInstance.modelInfo.modelNameVersionId = vnfItemModelNameVersionId;
 787                                 relatedInstanceListElement2.relatedInstance.modelInfo.modelName = vnfItemModelName;
 788                                 relatedInstanceListElement2.relatedInstance.modelInfo.modelVersion = vnfItemModelVersion;
 789                                 relatedInstanceListElement2.relatedInstance.modelInfo.modelCustomizationName = vnfItemVnfType;
 790                                 //
 791                                 request.requestDetails.relatedInstanceList.add(relatedInstanceListElement1);
 792                                 request.requestDetails.relatedInstanceList.add(relatedInstanceListElement2);
 793                                 //
 794                                 // print MSO request for debug
 795                                 //
 796                                 System.out.println("MSO request sent:");
 797                                 System.out.println(Serialization.gsonPretty.toJson(request));
 798                                 //
 799                                 //
 800                                 //
 801                                 if (request != null) {
 802                                         //
 803                                         // Tell interested parties we are performing this Operation
 804                                         //
 805                                         VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event);
 806                                         notification.notification = ControlLoopNotificationType.OPERATION;
 807                                         notification.from = "policy";
 808                                         notification.policyName = drools.getRule().getName();
 809                                         notification.policyScope = "${policyScope}";
 810                                         notification.policyVersion = "${policyVersion}";
 811                                         try {
 812                                                 System.out.println(Serialization.gsonPretty.toJson(notification));
 813                                                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 814                                         } catch (Exception e) {
 815                                                 System.out.println("Can't deliver notification: " + notification);
 816                                                 e.printStackTrace();
 817                                         }
 818                                         //
 819                                         // Concatenate serviceItemServiceInstanceId and vnfItemVnfId to msoURL
 820                                         //
 821                                         String MSOUrl = $params.getMsoURL() + "/serviceInstances/v2/" + serviceItemServiceInstanceId + "/vnfs/" + vnfItemVnfId + "/vfModules";
 822                                         //
 823                                         // Call MSO
 824                                         //
 825                                         MSOResponse response = MSOManager.createModuleInstance(MSOUrl, $params.getMsoURL(), $params.getMsoUsername(), $params.getMsoPassword(), request);
 826
 827
 828                                         if (response != null) {
 829                                                 //
 830                                                 // Assign requestId
 831                                                 //
 832                                                 request.requestId = $event.requestID.toString();
 833                                                 response.request.requestId = $event.requestID.toString();
 834                                                 //
 835                                                 // Insert facts
 836                                                 //
 837                                                 insert(operationWrapper);
 838                                                 insert(request);
 839                                                 insert(response);
 840                                         } else {
 841                                                 //
 842                                                 // MSO request not even accepted
 843                                                 //
 844                                                 notification.message = operationWrapper.operation.toMessage();
 845                                                 operationWrapper.operation.message = operationWrapper.operation.toMessage();
 846                                                 operationWrapper.operation.outcome = "FAILURE_EXCEPTION";
 847                                                 $manager.setControlLoopResult("FAILURE_EXCEPTION");
 848                                                 notification.history.add(operationWrapper.operation);
 849                                                 notification.notification = ControlLoopNotificationType.OPERATION_FAILURE;
 850                                                 //
 851                                                 // Let interested parties know
 852                                                 //
 853                                                 try {
 854                                                         System.out.println(Serialization.gsonPretty.toJson(notification));
 855                                                         PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 856                                                 } catch (Exception e) {
 857                                                         System.out.println("Can't deliver notification: " + notification);
 858                                                         e.printStackTrace();
 859                                                 }
 860                             notification.notification = ControlLoopNotificationType.FINAL_FAILURE;
 861                         try {
 862                                 System.out.println(Serialization.gsonPretty.toJson(notification));
 863                                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 864                         } catch (Exception e) {
 865                                 System.out.println("Can't deliver notification: " + notification);
 866                                 e.printStackTrace();
 867                         }
 868                                                 //
 869                                                 // Retract everything
 870                                                 //
 871                                                 retract($event);
 872                                                 retract($manager);
 873                                         }
 874                                 } else {
 875                                         System.err.println("constructed MSO request is invalid.");
 876                                 }
 877                         }
 878                         break;
 879                 }
 880 end
 881
 882 /*
 883 *
 884 * This rule responds to APPC Response Events
 885 *
 886 */
 887 rule "${policyName}.APPC.RESPONSE"
 888         when
 889                 $params : Params( getClosedLoopControlName() == "${controlLoopName}" )
 890                 $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET )
 891                 $manager : ControlLoopEventManager( closedLoopControlName == $event.closedLoopControlName )
 892                 $operationWrapper : ControlLoopOperationWrapper( requestID == $event.requestID )
 893                 $request : Request( getCommonHeader().RequestID == $event.requestID )
 894                 $response : Response( getCommonHeader().RequestID == $event.requestID )
 895         then
 896                 System.out.println("rule APPC.RESPONSE is triggered.");
 897                 if ($response.Status == null) {
 898                         $operationWrapper.operation.outcome = "FAILURE_EXCEPTION";
 899                         $manager.setControlLoopResult("FAILURE_EXCEPTION");
 900                 }
 901                 //
 902                 // Get the Response Code
 903                 //
 904                 ResponseCode code = ResponseCode.toResponseCode($response.Status.Code);
 905                 if (code == null) {
 906                         $operationWrapper.operation.outcome = "FAILURE_EXCEPTION";
 907                         $manager.setControlLoopResult("FAILURE_EXCEPTION");
 908                 }
 909                 //
 910                 // Construct notification
 911                 //
 912                 VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event);
 913                 notification.from = "policy";
 914                 notification.policyName = drools.getRule().getName();
 915                 notification.policyScope = "${policyScope}";
 916                 notification.policyVersion = "${policyVersion}";
 917                 notification.message = $operationWrapper.operation.toMessage();
 918                 $operationWrapper.operation.message = $operationWrapper.operation.toMessage();
 919                 //
 920                 // Ok, let's figure out what APP-C's response is
 921                 //
 922                 switch (code) {
 923                         case ACCEPT:
 924                                 $operationWrapper.operation.outcome = "PROCESSING";
 925                                 break;
 926                         case ERROR:
 927                         case REJECT:
 928                                 $operationWrapper.operation.outcome = "FAILURE_EXCEPTION";
 929                                 $manager.setControlLoopResult("FAILURE_EXCEPTION");
 930                                 break;
 931                         case SUCCESS:
 932                                 $operationWrapper.operation.outcome = "SUCCESS";
 933                                 $manager.setControlLoopResult("SUCCESS");
 934                                 break;
 935                         case FAILURE:
 936                                 $operationWrapper.operation.outcome = "FAILURE";
 937                                 $manager.setControlLoopResult("FAILURE");
 938                                 break;
 939                 }
 940                 if ($operationWrapper.operation.outcome.equals("SUCCESS")) {
 941                         notification.history.add($operationWrapper.operation);
 942                         notification.notification = ControlLoopNotificationType.OPERATION_SUCCESS;
 943                         //
 944                         // Let interested parties know
 945                         //
 946                         try {
 947                                 System.out.println(Serialization.gsonPretty.toJson(notification));
 948                                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 949                         } catch (Exception e) {
 950                                 System.out.println("Can't deliver notification: " + notification);
 951                                 e.printStackTrace();
 952                         }
 953             notification.notification = ControlLoopNotificationType.FINAL_SUCCESS;
 954             try {
 955                 System.out.println(Serialization.gsonPretty.toJson(notification));
 956                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 957             } catch (Exception e) {
 958                 System.out.println("Can't deliver notification: " + notification);
 959                 e.printStackTrace();
 960             }
 961
 962                         //
 963                         // We are going to retract these objects from memory
 964                         //
 965                         System.out.println("Retracting everything");
 966                         retract($operationWrapper);
 967                         retract($request);
 968                         retract($response);
 969                         retract($event);
 970                         retract($manager);
 971                 } else if ($operationWrapper.operation.outcome.equals("PROCESSING")) {
 972                         retract($response);
 973                 } else {
 974                         notification.history.add($operationWrapper.operation);
 975                         notification.notification = ControlLoopNotificationType.OPERATION_FAILURE;
 976                         //
 977                         // Let interested parties know
 978                         //
 979                         try {
 980                                 System.out.println(Serialization.gsonPretty.toJson(notification));
 981                                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 982                         } catch (Exception e) {
 983                                 System.out.println("Can't deliver notification: " + notification);
 984                                 e.printStackTrace();
 985                         }
 986             notification.notification = ControlLoopNotificationType.FINAL_FAILURE;
 987             //
 988             // Let interested parties know
 989             //
 990             try {
 991                 System.out.println(Serialization.gsonPretty.toJson(notification));
 992                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
 993             } catch (Exception e) {
 994                 System.out.println("Can't deliver notification: " + notification);
 995                 e.printStackTrace();
 996             }
 997                         //
 998                         // We are going to retract these objects from memory
 999                         //
1000                         System.out.println("Retracting everything");
1001                         retract($operationWrapper);
1002                         retract($request);
1003                         retract($response);
1004                         retract($event);
1005                         retract($manager);
1006                 }
1007
1008 end
1009
1010 /*
1011 *
1012 * This rule is used to clean up APPC response
1013 *
1014 */
1015 rule "${policyName}.APPC.RESPONSE.CLEANUP"
1016         when
1017                 $params : Params( getClosedLoopControlName() == "${controlLoopName}" )
1018         $response : Response($id : getCommonHeader().RequestID )
1019                 not ( VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), requestID == $id, closedLoopEventStatus == ControlLoopEventStatus.ONSET ) )
1020         then
1021                 System.out.println("rule APPC.RESPONSE.CLEANUP is triggered.");
1022                 retract($response);
1023 end
1024
1025 /*
1026 *
1027 * This rule responds to MSO Response Events
1028 *
1029 */
1030 rule "${policyName}.MSO.RESPONSE"
1031         when
1032                 $params : Params( getClosedLoopControlName() == "${controlLoopName}" )
1033                 $event : VirtualControlLoopEvent( closedLoopControlName == $params.getClosedLoopControlName(), closedLoopEventStatus == ControlLoopEventStatus.ONSET )
1034                 $manager : ControlLoopEventManager( closedLoopControlName == $event.closedLoopControlName )
1035                 $operationWrapper : ControlLoopOperationWrapper( requestID == $event.requestID )
1036                 $request : MSORequest( requestId == $event.requestID.toString() )
1037                 $response : MSOResponse( request.requestId == $event.requestID.toString() )
1038         then
1039                 System.out.println("rule MSO.RESPONSE is triggered.");
1040                 //
1041                 // Construct notification
1042                 //
1043                 VirtualControlLoopNotification notification = new VirtualControlLoopNotification($event);
1044                 notification.from = "policy";
1045                 notification.policyName = drools.getRule().getName();
1046                 notification.policyScope = "${policyScope}";
1047                 notification.policyVersion = "${policyVersion}";
1048                 notification.message = $operationWrapper.operation.toMessage();
1049                 $operationWrapper.operation.message = $operationWrapper.operation.toMessage();
1050                 //
1051                 // The operation can either be succeeded or failed
1052                 //
1053                 if($response.request.requestStatus.requestState.equals("COMPLETE")) {
1054                         $operationWrapper.operation.outcome = "SUCCESS";
1055                         $manager.setControlLoopResult("SUCCESS");
1056                         notification.history.add($operationWrapper.operation);
1057                         notification.notification = ControlLoopNotificationType.OPERATION_SUCCESS;
1058                         //
1059                         // Let interested parties know
1060                         //
1061                         try {
1062                                 System.out.println(Serialization.gsonPretty.toJson(notification));
1063                                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
1064                         } catch (Exception e) {
1065                                 System.out.println("Can't deliver notification: " + notification);
1066                                 e.printStackTrace();
1067                         }
1068                         notification.notification = ControlLoopNotificationType.FINAL_SUCCESS;
1069             //
1070             // Let interested parties know
1071             //
1072             try {
1073                 System.out.println(Serialization.gsonPretty.toJson(notification));
1074                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
1075             } catch (Exception e) {
1076                 System.out.println("Can't deliver notification: " + notification);
1077                 e.printStackTrace();
1078             }
1079             //
1080                         // We are going to retract these objects from memory
1081                         //
1082                         System.out.println("Retracting everything");
1083                         retract($operationWrapper);
1084                         retract($request);
1085                         retract($response);
1086                         retract($event);
1087                         retract($manager);
1088                 } else {
1089                         $operationWrapper.operation.outcome = "FAILURE";
1090                         $manager.setControlLoopResult("FAILURE");
1091                         notification.history.add($operationWrapper.operation);
1092                         notification.notification = ControlLoopNotificationType.OPERATION_FAILURE;
1093                         //
1094                         // Let interested parties know
1095                         //
1096                         try {
1097                                 System.out.println(Serialization.gsonPretty.toJson(notification));
1098                                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
1099                         } catch (Exception e) {
1100                                 System.out.println("Can't deliver notification: " + notification);
1101                                 e.printStackTrace();
1102                         }
1103                         notification.notification = ControlLoopNotificationType.FINAL_FAILURE;
1104             //
1105             // Let interested parties know
1106             //
1107             try {
1108                 System.out.println(Serialization.gsonPretty.toJson(notification));
1109                 PolicyEngine.manager.deliver($params.getNotificationTopic(), notification);
1110             } catch (Exception e) {
1111                 System.out.println("Can't deliver notification: " + notification);
1112                 e.printStackTrace();
1113             }
1114             //
1115                         // We are going to retract these objects from memory
1116                         //
1117                         System.out.println("Retracting everything");
1118                         retract($operationWrapper);
1119                         retract($request);
1120                         retract($response);
1121                         retract($event);
1122                         retract($manager);
1123                 }
1124 end
1125
1126 /*
1127  * Sample Queries for illustration with and without arguments
1128  * The results of the query can be introspected (and retracted if desired)
1129  * through REST API.
1130  */
1131 query "${policyName}.QUERY.EVENT.ONSET"
1132         event : VirtualControlLoopEvent( closedLoopEventStatus == ControlLoopEventStatus.ONSET )
1133 end
1134
1135 query "${policyName}.QUERY.MANAGER.RNA" (String aRequestId, Integer numOnsetsLowerBound, Boolean aActivated)
1136         manager : ControlLoopEventManager( closedLoopControlName == "${controlLoopName}",
1137                                 requestID.toString() == aRequestId,
1138                                 numOnsets > numOnsetsLowerBound,
1139                                 activated == aActivated )
1140 end