controlloop/common/eventmanager/src/main/java/org/onap/policy/controlloop/eventmanager/ControlLoopEventManager.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * controlloop event manager
   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.eventmanager;
  22
  23 import java.io.Serializable;
  24 import java.io.UnsupportedEncodingException;
  25 import java.net.URLDecoder;
  26 import java.util.ArrayList;
  27 import java.util.Collection;
  28 import java.util.LinkedList;
  29 import java.util.UUID;
  30
  31 import org.onap.policy.aai.AAIGETVnfResponse;
  32 import org.onap.policy.aai.AAIGETVserverResponse;
  33 import org.onap.policy.aai.AAIManager;
  34 import org.onap.policy.aai.util.AAIException;
  35 import org.onap.policy.controlloop.ControlLoopEventStatus;
  36 import org.onap.policy.controlloop.ControlLoopException;
  37 import org.onap.policy.controlloop.ControlLoopNotificationType;
  38 import org.onap.policy.controlloop.ControlLoopOperation;
  39 import org.onap.policy.controlloop.VirtualControlLoopEvent;
  40 import org.onap.policy.controlloop.VirtualControlLoopNotification;
  41 import org.onap.policy.controlloop.policy.FinalResult;
  42 import org.onap.policy.controlloop.policy.Policy;
  43 import org.onap.policy.controlloop.processor.ControlLoopProcessor;
  44 import org.onap.policy.guard.GuardResult;
  45 import org.onap.policy.guard.LockCallback;
  46 import org.onap.policy.guard.PolicyGuard;
  47 import org.onap.policy.guard.PolicyGuard.LockResult;
  48 import org.onap.policy.guard.TargetLock;
  49 import org.onap.policy.drools.system.PolicyEngine;
  50 import org.slf4j.Logger;
  51 import org.slf4j.LoggerFactory;
  52
  53 public class ControlLoopEventManager implements LockCallback, Serializable {
  54
  55         /**
  56          *
  57          */
  58         private static final Logger logger = LoggerFactory.getLogger(ControlLoopEventManager.class);
  59
  60         private static final long serialVersionUID = -1216568161322872641L;
  61         public final String closedLoopControlName;
  62         public final UUID requestID;
  63
  64         private String controlLoopResult;
  65         private transient ControlLoopProcessor processor = null;
  66         private VirtualControlLoopEvent onset;
  67         private Integer numOnsets = 0;
  68         private Integer numAbatements = 0;
  69         private VirtualControlLoopEvent abatement;
  70         private FinalResult controlLoopTimedOut = null;
  71
  72         private boolean isActivated = false;
  73         private LinkedList<ControlLoopOperation> controlLoopHistory = new LinkedList<>();
  74         private ControlLoopOperationManager currentOperation = null;
  75         private transient TargetLock targetLock = null;
  76         private AAIGETVnfResponse vnfResponse = null;
  77         private AAIGETVserverResponse vserverResponse = null;
  78         private static String aaiHostURL;
  79         private static String aaiUser;
  80         private static String aaiPassword;
  81
  82         private static Collection<String> requiredAAIKeys = new ArrayList<>();
  83         static {
  84                 requiredAAIKeys.add("AICVServerSelfLink");
  85                 requiredAAIKeys.add("AICIdentity");
  86                 requiredAAIKeys.add("is_closed_loop_disabled");
  87                 requiredAAIKeys.add("VM_NAME");
  88         }
  89
  90         public ControlLoopEventManager(String closedLoopControlName, UUID requestID) {
  91                 this.closedLoopControlName = closedLoopControlName;
  92                 this.requestID = requestID;
  93         }
  94
  95         public String getControlLoopResult() {
  96                 return controlLoopResult;
  97         }
  98
  99         public void setControlLoopResult(String controlLoopResult) {
 100                 this.controlLoopResult = controlLoopResult;
 101         }
 102
 103         public Integer getNumOnsets() {
 104                 return numOnsets;
 105         }
 106
 107         public void setNumOnsets(Integer numOnsets) {
 108                 this.numOnsets = numOnsets;
 109         }
 110
 111         public Integer getNumAbatements() {
 112                 return numAbatements;
 113         }
 114
 115         public void setNumAbatements(Integer numAbatements) {
 116                 this.numAbatements = numAbatements;
 117         }
 118
 119         public boolean isActivated() {
 120                 return isActivated;
 121         }
 122
 123         public void setActivated(boolean isActivated) {
 124                 this.isActivated = isActivated;
 125         }
 126
 127         public VirtualControlLoopEvent  getOnsetEvent() {
 128                 return this.onset;
 129         }
 130
 131         public VirtualControlLoopEvent getAbatementEvent() {
 132                 return this.abatement;
 133         }
 134
 135         public ControlLoopProcessor getProcessor() {
 136                 return this.processor;
 137         }
 138
 139         public VirtualControlLoopNotification   activate(VirtualControlLoopEvent event) {
 140                 VirtualControlLoopNotification notification = new VirtualControlLoopNotification(event);
 141                 try {
 142                         //
 143                         // This method should ONLY be called ONCE
 144                         //
 145                         if (this.isActivated) {
 146                                 throw new ControlLoopException("ControlLoopEventManager has already been activated.");
 147                         }
 148                         //
 149                         // Syntax check the event
 150                         //
 151                         checkEventSyntax(event);
 152
 153                         //
 154                         // At this point we are good to go with this event
 155                         //
 156                         this.onset = event;
 157                         this.numOnsets = 1;
 158                         //
 159                         notification.notification = ControlLoopNotificationType.ACTIVE;
 160                         //
 161                         // Set ourselves as active
 162                         //
 163                         this.isActivated = true;
 164                 } catch (ControlLoopException e) {
 165                         logger.error("{}: activate threw: ",this, e);
 166                         notification.notification = ControlLoopNotificationType.REJECTED;
 167                         notification.message = e.getMessage();
 168                 }
 169                 return notification;
 170         }
 171
 172
 173
 174         public VirtualControlLoopNotification   activate(String yamlSpecification, VirtualControlLoopEvent event) {
 175                 VirtualControlLoopNotification notification = new VirtualControlLoopNotification(event);
 176                 try {
 177                         //
 178                         // This method should ONLY be called ONCE
 179                         //
 180                         if (this.isActivated) {
 181                                 throw new ControlLoopException("ControlLoopEventManager has already been activated.");
 182                         }
 183                         //
 184                         // Syntax check the event
 185                         //
 186                         checkEventSyntax(event);
 187
 188                         //
 189                         // Check the YAML
 190                         //
 191                         if (yamlSpecification == null || yamlSpecification.length() < 1) {
 192                                 throw new ControlLoopException("yaml specification is null or 0 length");
 193                         }
 194                         String decodedYaml = null;
 195                         try {
 196                                 decodedYaml = URLDecoder.decode(yamlSpecification, "UTF-8");
 197                                 if (decodedYaml != null && decodedYaml.length() > 0) {
 198                                         yamlSpecification = decodedYaml;
 199                                 }
 200                         } catch (UnsupportedEncodingException e) {
 201                                 logger.error("{}: activate threw: ",this, e);
 202                         }
 203                         //
 204                         // Parse the YAML specification
 205                         //
 206                         this.processor = new ControlLoopProcessor(yamlSpecification);
 207
 208                         //
 209                         // At this point we are good to go with this event
 210                         //
 211                         this.onset = event;
 212                         this.numOnsets = 1;
 213                         //
 214                         //
 215                         //
 216                         notification.notification = ControlLoopNotificationType.ACTIVE;
 217                         //
 218                         // Set ourselves as active
 219                         //
 220                         this.isActivated = true;
 221                 } catch (ControlLoopException e) {
 222                         logger.error("{}: activate threw: ",this, e);
 223                         notification.notification = ControlLoopNotificationType.REJECTED;
 224                         notification.message = e.getMessage();
 225                 }
 226                 return notification;
 227         }
 228
 229         public VirtualControlLoopNotification   isControlLoopFinal() throws ControlLoopException {
 230                 //
 231                 // Check if they activated us
 232                 //
 233                 if (this.isActivated == false) {
 234                         throw new ControlLoopException("ControlLoopEventManager MUST be activated first.");
 235                 }
 236                 //
 237                 // Make sure we are expecting this call.
 238                 //
 239                 if (this.onset == null) {
 240                         throw new ControlLoopException("No onset event for ControlLoopEventManager.");
 241                 }
 242                 //
 243                 // Ok, start creating the notification
 244                 //
 245                 VirtualControlLoopNotification notification = new VirtualControlLoopNotification(this.onset);
 246                 //
 247                 // Check if the overall control loop has timed out
 248                 //
 249                 if (this.isControlLoopTimedOut()) {
 250                         //
 251                         // Yes we have timed out
 252                         //
 253                         notification.notification = ControlLoopNotificationType.FINAL_FAILURE;
 254                         notification.message = "Control Loop timed out";
 255                         notification.history.addAll(this.controlLoopHistory);
 256                         return notification;
 257                 }
 258                 //
 259                 // Check if the current policy is Final
 260                 //
 261                 FinalResult result = this.processor.checkIsCurrentPolicyFinal();
 262                 if (result == null) {
 263                         //
 264                         // we are not at a final result
 265                         //
 266                         return null;
 267                 }
 268
 269                 switch (result) {
 270                 case FINAL_FAILURE_EXCEPTION:
 271                         notification.message = "Exception in processing closed loop";
 272                 case FINAL_FAILURE:
 273                 case FINAL_FAILURE_RETRIES:
 274                 case FINAL_FAILURE_TIMEOUT:
 275                 case FINAL_FAILURE_GUARD:
 276                         notification.notification = ControlLoopNotificationType.FINAL_FAILURE;
 277                         break;
 278                 case FINAL_OPENLOOP:
 279                         notification.notification = ControlLoopNotificationType.FINAL_OPENLOOP;
 280                         break;
 281                 case FINAL_SUCCESS:
 282                         notification.notification = ControlLoopNotificationType.FINAL_SUCCESS;
 283                         break;
 284                 default:
 285                         return null;
 286                 }
 287                 //
 288                 // Be sure to add all the history
 289                 //
 290                 notification.history.addAll(this.controlLoopHistory);
 291                 return notification;
 292         }
 293
 294         public ControlLoopOperationManager      processControlLoop() throws ControlLoopException, AAIException {
 295                 //
 296                 // Check if they activated us
 297                 //
 298                 if (this.isActivated == false) {
 299                         throw new ControlLoopException("ControlLoopEventManager MUST be activated first.");
 300                 }
 301                 //
 302                 // Make sure we are expecting this call.
 303                 //
 304                 if (this.onset == null) {
 305                         throw new ControlLoopException("No onset event for ControlLoopEventManager.");
 306                 }
 307                 //
 308                 // Is there a current operation?
 309                 //
 310                 if (this.currentOperation != null) {
 311                         //
 312                         // Throw an exception, or simply return the current operation?
 313                         //
 314                         throw new ControlLoopException("Already working an Operation, do not call this method.");
 315                 }
 316                 //
 317                 // Ensure we are not FINAL
 318                 //
 319                 VirtualControlLoopNotification notification = this.isControlLoopFinal();
 320                 if (notification != null) {
 321                         //
 322                         // This is weird, we require them to call the isControlLoopFinal() method first
 323                         //
 324                         // We should really abstract this and avoid throwing an exception, because it really
 325                         // isn't an exception.
 326                         //
 327                         throw new ControlLoopException("Control Loop is in FINAL state, do not call this method.");
 328                 }
 329                 //
 330                 // Not final so get the policy that needs to be worked on.
 331                 //
 332                 Policy policy = this.processor.getCurrentPolicy();
 333                 if (policy == null) {
 334                         throw new ControlLoopException("ControlLoopEventManager: processor came upon null Policy.");
 335                 }
 336                 //
 337                 // And setup an operation
 338                 //
 339                 this.currentOperation = new ControlLoopOperationManager(this.onset, policy, this);
 340                 //
 341                 // Return it
 342                 //
 343                 return this.currentOperation;
 344         }
 345
 346         public void finishOperation(ControlLoopOperationManager operation) throws ControlLoopException {
 347                 //
 348                 // Verify we have a current operation
 349                 //
 350                 if (this.currentOperation != null) {
 351                         //
 352                         // Validate they are finishing the current operation
 353                         // PLD - this is simply comparing the policy. Do we want to equals the whole object?
 354                         //
 355                         if (this.currentOperation.policy.equals(operation.policy)) {
 356                                 logger.debug("Finishing {} result is {}", this.currentOperation.policy.getRecipe(), this.currentOperation.getOperationResult());
 357                                 //
 358                                 // Save history
 359                                 //
 360                                 this.controlLoopHistory.addAll(this.currentOperation.getHistory());
 361                                 //
 362                                 // Move to the next Policy
 363                                 //
 364                                 this.processor.nextPolicyForResult(this.currentOperation.getOperationResult());
 365                                 //
 366                                 // Just null this out
 367                                 //
 368                                 this.currentOperation = null;
 369                                 //
 370                                 // TODO: Release our lock
 371                                 //
 372                                 return;
 373                         }
 374                         logger.debug("Cannot finish current operation {} does not match given operation {}", this.currentOperation.policy, operation.policy);
 375                         return;
 376                 }
 377                 throw new ControlLoopException("No operation to finish.");
 378         }
 379
 380         public synchronized LockResult<GuardResult, TargetLock> lockCurrentOperation() throws ControlLoopException {
 381                 //
 382                 // Sanity check
 383                 //
 384                 if (this.currentOperation == null) {
 385                         throw new ControlLoopException("Do not have a current operation.");
 386                 }
 387                 //
 388                 // Have we acquired it already?
 389                 //
 390                 if (this.targetLock != null) {
 391                         //
 392                         // TODO: Make sure the current lock is for the same target.
 393                         // Currently, it should be. But in the future it may not.
 394                         //
 395                         return new LockResult<GuardResult, TargetLock>(GuardResult.LOCK_ACQUIRED, this.targetLock);
 396                 } else {
 397                         //
 398                         // Ask the Guard
 399                         //
 400                         LockResult<GuardResult, TargetLock> lockResult = PolicyGuard.lockTarget(
 401                                                                                                                                                 this.currentOperation.policy.getTarget().getType(),
 402                                                                                                                                                 this.currentOperation.getTargetEntity(),
 403                                                                                                                                                 this.onset.requestID,
 404                                                                                                                                                 this);
 405                         //
 406                         // Was it acquired?
 407                         //
 408                         if (lockResult.getA().equals(GuardResult.LOCK_ACQUIRED)) {
 409                                 //
 410                                 // Yes, let's save it
 411                                 //
 412                                 this.targetLock = lockResult.getB();
 413                         }
 414                         return lockResult;
 415                 }
 416         }
 417
 418         public synchronized TargetLock unlockCurrentOperation() {
 419                 if (this.targetLock == null) {
 420                         return null;
 421                 }
 422                 if (PolicyGuard.unlockTarget(this.targetLock) == true) {
 423                         TargetLock returnLock = this.targetLock;
 424                         this.targetLock = null;
 425                         return returnLock;
 426                 }
 427                 return null;
 428         }
 429
 430         public enum NEW_EVENT_STATUS {
 431                 FIRST_ONSET,
 432                 SUBSEQUENT_ONSET,
 433                 FIRST_ABATEMENT,
 434                 SUBSEQUENT_ABATEMENT,
 435                 SYNTAX_ERROR
 436                 ;
 437         }
 438
 439         public NEW_EVENT_STATUS onNewEvent(VirtualControlLoopEvent event) throws AAIException {
 440                 try {
 441                         this.checkEventSyntax(event);
 442                         if (event.closedLoopEventStatus == ControlLoopEventStatus.ONSET) {
 443                                 //
 444                                 // Check if this is our original ONSET
 445                                 //
 446                                 if (event.equals(this.onset)) {
 447                                     //
 448                                     // Query A&AI if needed
 449                                     //
 450                                     queryAai(event);
 451
 452                                         //
 453                                         // DO NOT retract it
 454                                         //
 455                                         return NEW_EVENT_STATUS.FIRST_ONSET;
 456                                 }
 457                                 //
 458                                 // Log that we got an onset
 459                                 //
 460                                 this.numOnsets++;
 461                                 return NEW_EVENT_STATUS.SUBSEQUENT_ONSET;
 462                         } else if (event.closedLoopEventStatus == ControlLoopEventStatus.ABATED) {
 463                                 //
 464                                 // Have we already got an abatement?
 465                                 //
 466                                 if (this.abatement == null) {
 467                                         //
 468                                         // Save this
 469                                         //
 470                                         this.abatement = event;
 471                                         //
 472                                         // Keep track that we received another
 473                                         //
 474                                         this.numAbatements++;
 475                                         //
 476                                         //
 477                                         //
 478                                         return NEW_EVENT_STATUS.FIRST_ABATEMENT;
 479                                 } else {
 480                                         //
 481                                         // Keep track that we received another
 482                                         //
 483                                         this.numAbatements++;
 484                                         //
 485                                         //
 486                                         //
 487                                         return NEW_EVENT_STATUS.SUBSEQUENT_ABATEMENT;
 488                                 }
 489                         } else {
 490                                 return NEW_EVENT_STATUS.SYNTAX_ERROR;
 491                         }
 492                 } catch (ControlLoopException e) {
 493                         logger.error("{}: onNewEvent threw: ",this, e);
 494                         return NEW_EVENT_STATUS.SYNTAX_ERROR;
 495                 }
 496         }
 497
 498         public VirtualControlLoopNotification setControlLoopTimedOut() {
 499                 this.controlLoopTimedOut = FinalResult.FINAL_FAILURE_TIMEOUT;
 500                 VirtualControlLoopNotification notification = new VirtualControlLoopNotification(this.onset);
 501                 notification.notification = ControlLoopNotificationType.FINAL_FAILURE;
 502                 notification.message = "Control Loop timed out";
 503                 notification.history.addAll(this.controlLoopHistory);
 504                 return notification;
 505         }
 506
 507         public boolean isControlLoopTimedOut() {
 508                 return (this.controlLoopTimedOut == FinalResult.FINAL_FAILURE_TIMEOUT);
 509         }
 510
 511         public int      getControlLoopTimeout(Integer defaultTimeout) {
 512                 if (this.processor != null && this.processor.getControlLoop() != null) {
 513                         return this.processor.getControlLoop().getTimeout();
 514                 }
 515                 if (defaultTimeout != null) {
 516                         return defaultTimeout;
 517                 }
 518                 return 0;
 519         }
 520
 521         public AAIGETVnfResponse getVnfResponse() {
 522                 return vnfResponse;
 523         }
 524
 525         public AAIGETVserverResponse getVserverResponse() {
 526                 return vserverResponse;
 527         }
 528
 529         public void checkEventSyntax(VirtualControlLoopEvent event) throws ControlLoopException {
 530                 if (event.closedLoopEventStatus == null ||
 531                                 (event.closedLoopEventStatus != ControlLoopEventStatus.ONSET &&
 532                                 event.closedLoopEventStatus != ControlLoopEventStatus.ABATED)) {
 533                         throw new ControlLoopException("Invalid value in closedLoopEventStatus");
 534                 }
 535                 if (event.closedLoopControlName == null || event.closedLoopControlName.length() < 1) {
 536                         throw new ControlLoopException("No control loop name");
 537                 }
 538                 if (event.requestID == null) {
 539                         throw new ControlLoopException("No request ID");
 540                 }
 541                 if (event.closedLoopEventStatus == ControlLoopEventStatus.ABATED) {
 542                         return;
 543                 }
 544                 if (event.target == null || event.target.length() < 1) {
 545                         throw new ControlLoopException("No target field");
 546                 } else if (! "VM_NAME".equalsIgnoreCase(event.target) &&
 547                                 ! "VNF_NAME".equalsIgnoreCase(event.target) &&
 548                                 ! "vserver.vserver-name".equalsIgnoreCase(event.target) &&
 549                                 ! "generic-vnf.vnf-id".equalsIgnoreCase(event.target) &&
 550                                 ! "generic-vnf.vnf-name".equalsIgnoreCase(event.target) ) {
 551                         throw new ControlLoopException("target field invalid - expecting VM_NAME or VNF_NAME");
 552                 }
 553                 if (event.AAI == null) {
 554             throw new ControlLoopException("AAI is null");
 555         }
 556         if (event.AAI.get("generic-vnf.vnf-id") == null && event.AAI.get("vserver.vserver-name") == null &&
 557                 event.AAI.get("generic-vnf.vnf-name") == null) {
 558             throw new ControlLoopException("generic-vnf.vnf-id or generic-vnf.vnf-name or vserver.vserver-name information missing");
 559         }
 560         }
 561
 562         public void queryAai(VirtualControlLoopEvent event) throws AAIException {
 563                 if (event.AAI.get("vserver.is-closed-loop-disabled") == null &&
 564                         event.AAI.get("generic-vnf.is-closed-loop-disabled") == null) {
 565                         try {
 566                                 if (event.AAI.get("generic-vnf.vnf-id") != null) {
 567                                         vnfResponse = getAAIVnfInfo(event);
 568                                         if (vnfResponse == null) {
 569                                                 throw new AAIException("AAI Response is null (query by vnf-id)");
 570                                         }
 571                                         if (vnfResponse.requestError != null) {
 572                                                 throw new AAIException("AAI Responded with a request error (query by vnf-id)");
 573                                         }
 574                                         if (isClosedLoopDisabled(vnfResponse) == true) {
 575                                                 throw new AAIException("is-closed-loop-disabled is set to true");
 576                                         }
 577                                 } else if (event.AAI.get("generic-vnf.vnf-name") != null) {
 578                                         vnfResponse = getAAIVnfInfo(event);
 579                                         if (vnfResponse == null) {
 580                                                 throw new AAIException("AAI Response is null (query by vnf-name)");
 581                                         }
 582                                         if (vnfResponse.requestError != null) {
 583                                                 throw new AAIException("AAI Responded with a request error (query by vnf-name)");
 584                                         }
 585                                         if (isClosedLoopDisabled(vnfResponse) == true) {
 586                                                 throw new AAIException("is-closed-loop-disabled is set to true");
 587                                         }
 588                                 } else if (event.AAI.get("vserver.vserver-name") != null) {
 589                                         vserverResponse = getAAIVserverInfo(event);
 590                                         if (vserverResponse == null) {
 591                                                 throw new AAIException("AAI Response is null (query by vserver-name)");
 592                                         }
 593                                         if (vserverResponse.requestError != null) {
 594                                                 throw new AAIException("AAI responded with a request error (query by vserver-name)");
 595                                         }
 596                                         if (isClosedLoopDisabled(vserverResponse) == true) {
 597                                                 throw new AAIException("is-closed-loop-disabled is set to true");
 598                                         }
 599                                 }
 600                         } catch (Exception e) {
 601                                 logger.error("Exception from getAAIInfo: ", e);
 602                                 throw new AAIException("Exception from getAAIInfo: " + e.toString());
 603                         }
 604                 } else if (isClosedLoopDisabled(event)) {
 605                         throw new AAIException("is-closed-loop-disabled is set to true");
 606                 }
 607         }
 608
 609         public static boolean isClosedLoopDisabled(AAIGETVnfResponse aaiResponse) {
 610         if (aaiResponse != null && aaiResponse.isClosedLoopDisabled != null) {
 611                 String value = aaiResponse.isClosedLoopDisabled;
 612                 if ("true".equalsIgnoreCase(value) || "T".equalsIgnoreCase(value) ||
 613                         "yes".equalsIgnoreCase(value)  || "Y".equalsIgnoreCase(value)) {
 614                         return true;
 615                 }
 616         }
 617
 618                 return false;
 619         }
 620
 621         public static boolean isClosedLoopDisabled(AAIGETVserverResponse aaiResponse) {
 622         if (aaiResponse != null && aaiResponse.isClosedLoopDisabled != null) {
 623                 String value = aaiResponse.isClosedLoopDisabled;
 624                 if ("true".equalsIgnoreCase(value) || "T".equalsIgnoreCase(value) ||
 625                         "yes".equalsIgnoreCase(value)  || "Y".equalsIgnoreCase(value)) {
 626                         return true;
 627                 }
 628         }
 629
 630                 return false;
 631         }
 632
 633         public static boolean isClosedLoopDisabled(VirtualControlLoopEvent event) {
 634                 if ("true".equalsIgnoreCase(event.AAI.get("vserver.is-closed-loop-disabled")) ||
 635                     "T".equalsIgnoreCase(event.AAI.get("vserver.is-closed-loop-disabled")) ||
 636                     "yes".equalsIgnoreCase(event.AAI.get("vserver.is-closed-loop-disabled")) ||
 637                     "Y".equalsIgnoreCase(event.AAI.get("vserver.is-closed-loop-disabled"))) {
 638                         return true;
 639                 }
 640                 else if ("true".equalsIgnoreCase(event.AAI.get("generic-vnf.is-closed-loop-disabled")) ||
 641                     "T".equalsIgnoreCase(event.AAI.get("generic-vnf.is-closed-loop-disabled")) ||
 642                     "yes".equalsIgnoreCase(event.AAI.get("generic-vnf.is-closed-loop-disabled")) ||
 643                     "Y".equalsIgnoreCase(event.AAI.get("generic-vnf.is-closed-loop-disabled"))) {
 644                     return true;
 645             }
 646                 return false;
 647         }
 648
 649         public static AAIGETVserverResponse getAAIVserverInfo(VirtualControlLoopEvent event) throws ControlLoopException {
 650                 UUID requestID = event.requestID;
 651                 AAIGETVserverResponse response = null;
 652                 String vserverName = event.AAI.get("vserver.vserver-name");
 653
 654                 try {
 655                 if (vserverName != null) {
 656                    aaiHostURL  = PolicyEngine.manager.getEnvironmentProperty("aai.url");
 657                    aaiUser     = PolicyEngine.manager.getEnvironmentProperty("aai.username");
 658                    aaiPassword = PolicyEngine.manager.getEnvironmentProperty("aai.password");
 659                    String aaiGetQueryByVserver = "/aai/v11/nodes/vservers?vserver-name=";
 660                            String url = aaiHostURL + aaiGetQueryByVserver;
 661                            logger.info("url: " + url);
 662                            response = AAIManager.getQueryByVserverName(url, aaiUser, aaiPassword, requestID, vserverName);
 663                 }
 664             } catch (Exception e) {
 665                 logger.error("getAAIVserverInfo exception: ", e);
 666                 throw new ControlLoopException("Exception in getAAIVserverInfo: ", e);
 667         }
 668
 669                 return response;
 670         }
 671
 672         public static AAIGETVnfResponse getAAIVnfInfo(VirtualControlLoopEvent event) throws ControlLoopException {
 673                 UUID requestID = event.requestID;
 674                 AAIGETVnfResponse response = null;
 675                 String vnfName = event.AAI.get("generic-vnf.vnf-name");
 676                 String vnfID   = event.AAI.get("generic-vnf.vnf-id");
 677
 678                 aaiHostURL  = PolicyEngine.manager.getEnvironmentProperty("aai.url");
 679         aaiUser     = PolicyEngine.manager.getEnvironmentProperty("aai.username");
 680         aaiPassword = PolicyEngine.manager.getEnvironmentProperty("aai.password");
 681
 682                 try {
 683             if (vnfName != null) {
 684                    String aaiGetQueryByVnfName = "/aai/v11/network/generic-vnfs/generic-vnf?vnf-name=";
 685                            String url = aaiHostURL + aaiGetQueryByVnfName;
 686                            logger.info("url: " + url);
 687                            response = AAIManager.getQueryByVnfName(url, aaiUser, aaiPassword, requestID, vnfName);
 688                 } else if (vnfID != null) {
 689                        String aaiGetQueryByVnfID = "/aai/v11/network/generic-vnfs/generic-vnf/";
 690                            String url = aaiHostURL + aaiGetQueryByVnfID;
 691                            logger.info("url: " + url);
 692                            response = AAIManager.getQueryByVnfID(url, aaiUser, aaiPassword, requestID, vnfID);
 693                 }
 694             } catch (Exception e) {
 695                 logger.error("getAAIVnfInfo exception: ", e);
 696                 throw new ControlLoopException("Exception in getAAIVnfInfo: ", e);
 697         }
 698
 699                 return response;
 700         }
 701
 702         @Override
 703         public boolean isActive() {
 704                 // TODO
 705                 return true;
 706         }
 707
 708         @Override
 709         public boolean releaseLock() {
 710                 // TODO
 711                 return false;
 712         }
 713
 714         @Override
 715         public String toString() {
 716                 return "ControlLoopEventManager [closedLoopControlName=" + closedLoopControlName + ", requestID=" + requestID
 717                                 + ", processor=" + processor + ", onset=" + (onset != null ? onset.requestID : "null") + ", numOnsets=" + numOnsets + ", numAbatements="
 718                                 + numAbatements + ", isActivated="
 719                                 + isActivated + ", currentOperation=" + currentOperation + ", targetLock=" + targetLock + "]";
 720         }
 721
 722 }