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

   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.controlloop.ControlLoopEventStatus;
  35 import org.onap.policy.controlloop.ControlLoopException;
  36 import org.onap.policy.controlloop.ControlLoopNotificationType;
  37 import org.onap.policy.controlloop.ControlLoopOperation;
  38 import org.onap.policy.controlloop.VirtualControlLoopEvent;
  39 import org.onap.policy.controlloop.VirtualControlLoopNotification;
  40 import org.onap.policy.controlloop.policy.FinalResult;
  41 import org.onap.policy.controlloop.policy.Policy;
  42 import org.onap.policy.controlloop.processor.ControlLoopProcessor;
  43 import org.onap.policy.guard.GuardResult;
  44 import org.onap.policy.guard.LockCallback;
  45 import org.onap.policy.guard.PolicyGuard;
  46 import org.onap.policy.guard.PolicyGuard.LockResult;
  47 import org.onap.policy.guard.TargetLock;
  48 import org.onap.policy.drools.system.PolicyEngine;
  49 import org.slf4j.Logger;
  50 import org.slf4j.LoggerFactory;
  51
  52 public class ControlLoopEventManager implements LockCallback, Serializable {
  53
  54         /**
  55          *
  56          */
  57         private static final Logger logger = LoggerFactory.getLogger(ControlLoopEventManager.class);
  58
  59         private static final long serialVersionUID = -1216568161322872641L;
  60         public final String closedLoopControlName;
  61         public final UUID requestID;
  62
  63         private String controlLoopResult;
  64         private transient ControlLoopProcessor processor = null;
  65         private VirtualControlLoopEvent onset;
  66         private Integer numOnsets = 0;
  67         private Integer numAbatements = 0;
  68         private VirtualControlLoopEvent abatement;
  69         private FinalResult controlLoopTimedOut = null;
  70
  71         private boolean isActivated = false;
  72         private LinkedList<ControlLoopOperation> controlLoopHistory = new LinkedList<>();
  73         private ControlLoopOperationManager currentOperation = null;
  74         private transient TargetLock targetLock = null;
  75         private static AAIGETVnfResponse vnfResponse = null;
  76         private static AAIGETVserverResponse vserverResponse = null;
  77         private static String aaiHostURL;
  78         private static String aaiUser;
  79         private static String aaiPassword;
  80         private static String aaiGetQueryByVserver;
  81         private static String aaiGetQueryByVnfID;
  82         private static String aaiGetQueryByVnfName;
  83
  84         private static Collection<String> requiredAAIKeys = new ArrayList<>();
  85         static {
  86                 requiredAAIKeys.add("AICVServerSelfLink");
  87                 requiredAAIKeys.add("AICIdentity");
  88                 requiredAAIKeys.add("is_closed_loop_disabled");
  89                 requiredAAIKeys.add("VM_NAME");
  90         }
  91
  92         public ControlLoopEventManager(String closedLoopControlName, UUID requestID) {
  93                 this.closedLoopControlName = closedLoopControlName;
  94                 this.requestID = requestID;
  95         }
  96
  97         public String getControlLoopResult() {
  98                 return controlLoopResult;
  99         }
 100
 101         public void setControlLoopResult(String controlLoopResult) {
 102                 this.controlLoopResult = controlLoopResult;
 103         }
 104
 105         public Integer getNumOnsets() {
 106                 return numOnsets;
 107         }
 108
 109         public void setNumOnsets(Integer numOnsets) {
 110                 this.numOnsets = numOnsets;
 111         }
 112
 113         public Integer getNumAbatements() {
 114                 return numAbatements;
 115         }
 116
 117         public void setNumAbatements(Integer numAbatements) {
 118                 this.numAbatements = numAbatements;
 119         }
 120
 121         public boolean isActivated() {
 122                 return isActivated;
 123         }
 124
 125         public void setActivated(boolean isActivated) {
 126                 this.isActivated = isActivated;
 127         }
 128
 129         public VirtualControlLoopEvent  getOnsetEvent() {
 130                 return this.onset;
 131         }
 132
 133         public VirtualControlLoopEvent getAbatementEvent() {
 134                 return this.abatement;
 135         }
 136
 137         public ControlLoopProcessor getProcessor() {
 138                 return this.processor;
 139         }
 140
 141         public VirtualControlLoopNotification   activate(VirtualControlLoopEvent event) {
 142                 VirtualControlLoopNotification notification = new VirtualControlLoopNotification(event);
 143                 try {
 144                         //
 145                         // This method should ONLY be called ONCE
 146                         //
 147                         if (this.isActivated) {
 148                                 throw new ControlLoopException("ControlLoopEventManager has already been activated.");
 149                         }
 150                         //
 151                         // Syntax check the event
 152                         //
 153                         checkEventSyntax(event);
 154                         //
 155                         // At this point we are good to go with this event
 156                         //
 157                         this.onset = event;
 158                         this.numOnsets = 1;
 159                         //
 160                         notification.notification = ControlLoopNotificationType.ACTIVE;
 161                         //
 162                         // Set ourselves as active
 163                         //
 164                         this.isActivated = true;
 165                 } catch (ControlLoopException e) {
 166                         logger.error("{}: activate threw: ",this, e);
 167                         notification.notification = ControlLoopNotificationType.REJECTED;
 168                         notification.message = e.getMessage();
 169                 }
 170                 return notification;
 171         }
 172
 173
 174
 175         public VirtualControlLoopNotification   activate(String yamlSpecification, VirtualControlLoopEvent event) {
 176                 VirtualControlLoopNotification notification = new VirtualControlLoopNotification(event);
 177                 try {
 178                         //
 179                         // This method should ONLY be called ONCE
 180                         //
 181                         if (this.isActivated) {
 182                                 throw new ControlLoopException("ControlLoopEventManager has already been activated.");
 183                         }
 184                         //
 185                         // Syntax check the event
 186                         //
 187                         checkEventSyntax(event);
 188
 189                         //
 190                         // Check the YAML
 191                         //
 192                         if (yamlSpecification == null || yamlSpecification.length() < 1) {
 193                                 throw new ControlLoopException("yaml specification is null or 0 length");
 194                         }
 195                         String decodedYaml = null;
 196                         try {
 197                                 decodedYaml = URLDecoder.decode(yamlSpecification, "UTF-8");
 198                                 if (decodedYaml != null && decodedYaml.length() > 0) {
 199                                         yamlSpecification = decodedYaml;
 200                                 }
 201                         } catch (UnsupportedEncodingException e) {
 202                                 logger.error("{}: activate threw: ",this, e);
 203                         }
 204                         //
 205                         // Parse the YAML specification
 206                         //
 207                         this.processor = new ControlLoopProcessor(yamlSpecification);
 208
 209                         //
 210                         // At this point we are good to go with this event
 211                         //
 212                         this.onset = event;
 213                         this.numOnsets = 1;
 214                         //
 215                         //
 216                         //
 217                         notification.notification = ControlLoopNotificationType.ACTIVE;
 218                         //
 219                         // Set ourselves as active
 220                         //
 221                         this.isActivated = true;
 222                 } catch (ControlLoopException e) {
 223                         logger.error("{}: activate threw: ",this, e);
 224                         notification.notification = ControlLoopNotificationType.REJECTED;
 225                         notification.message = e.getMessage();
 226                 }
 227                 return notification;
 228         }
 229
 230         public VirtualControlLoopNotification   isControlLoopFinal() throws ControlLoopException {
 231                 //
 232                 // Check if they activated us
 233                 //
 234                 if (this.isActivated == false) {
 235                         throw new ControlLoopException("ControlLoopEventManager MUST be activated first.");
 236                 }
 237                 //
 238                 // Make sure we are expecting this call.
 239                 //
 240                 if (this.onset == null) {
 241                         throw new ControlLoopException("No onset event for ControlLoopEventManager.");
 242                 }
 243                 //
 244                 // Ok, start creating the notification
 245                 //
 246                 VirtualControlLoopNotification notification = new VirtualControlLoopNotification(this.onset);
 247                 //
 248                 // Check if the overall control loop has timed out
 249                 //
 250                 if (this.isControlLoopTimedOut()) {
 251                         //
 252                         // Yes we have timed out
 253                         //
 254                         notification.notification = ControlLoopNotificationType.FINAL_FAILURE;
 255                         notification.message = "Control Loop timed out";
 256                         notification.history.addAll(this.controlLoopHistory);
 257                         return notification;
 258                 }
 259                 //
 260                 // Check if the current policy is Final
 261                 //
 262                 FinalResult result = this.processor.checkIsCurrentPolicyFinal();
 263                 if (result == null) {
 264                         //
 265                         // we are not at a final result
 266                         //
 267                         return null;
 268                 }
 269
 270                 switch (result) {
 271                 case FINAL_FAILURE:
 272                 case FINAL_FAILURE_EXCEPTION:
 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 {
 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.getTargetInstance(this.currentOperation.policy),
 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) {
 440                 try {
 441                         ControlLoopEventManager.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                                         // DO NOT retract it
 449                                         //
 450                                         return NEW_EVENT_STATUS.FIRST_ONSET;
 451                                 }
 452                                 //
 453                                 // Log that we got an onset
 454                                 //
 455                                 this.numOnsets++;
 456                                 return NEW_EVENT_STATUS.SUBSEQUENT_ONSET;
 457                         } else if (event.closedLoopEventStatus == ControlLoopEventStatus.ABATED) {
 458                                 //
 459                                 // Have we already got an abatement?
 460                                 //
 461                                 if (this.abatement == null) {
 462                                         //
 463                                         // Save this
 464                                         //
 465                                         this.abatement = event;
 466                                         //
 467                                         // Keep track that we received another
 468                                         //
 469                                         this.numAbatements++;
 470                                         //
 471                                         //
 472                                         //
 473                                         return NEW_EVENT_STATUS.FIRST_ABATEMENT;
 474                                 } else {
 475                                         //
 476                                         // Keep track that we received another
 477                                         //
 478                                         this.numAbatements++;
 479                                         //
 480                                         //
 481                                         //
 482                                         return NEW_EVENT_STATUS.SUBSEQUENT_ABATEMENT;
 483                                 }
 484                         } else {
 485                                 return NEW_EVENT_STATUS.SYNTAX_ERROR;
 486                         }
 487                 } catch (ControlLoopException e) {
 488                         logger.error("{}: onNewEvent threw: ",this, e);
 489                         return NEW_EVENT_STATUS.SYNTAX_ERROR;
 490                 }
 491         }
 492
 493         public VirtualControlLoopNotification setControlLoopTimedOut() {
 494                 this.controlLoopTimedOut = FinalResult.FINAL_FAILURE_TIMEOUT;
 495                 VirtualControlLoopNotification notification = new VirtualControlLoopNotification(this.onset);
 496                 notification.notification = ControlLoopNotificationType.FINAL_FAILURE;
 497                 notification.message = "Control Loop timed out";
 498                 notification.history.addAll(this.controlLoopHistory);
 499                 return notification;
 500         }
 501
 502         public boolean isControlLoopTimedOut() {
 503                 return (this.controlLoopTimedOut == FinalResult.FINAL_FAILURE_TIMEOUT);
 504         }
 505
 506         public int      getControlLoopTimeout(Integer defaultTimeout) {
 507                 if (this.processor != null && this.processor.getControlLoop() != null) {
 508                         return this.processor.getControlLoop().getTimeout();
 509                 }
 510                 if (defaultTimeout != null) {
 511                         return defaultTimeout;
 512                 }
 513                 return 0;
 514         }
 515
 516         public AAIGETVnfResponse getVnfResponse() {
 517                 return vnfResponse;
 518         }
 519
 520         public AAIGETVserverResponse getVserverResponse() {
 521                 return vserverResponse;
 522         }
 523
 524         public static void checkEventSyntax(VirtualControlLoopEvent event) throws ControlLoopException {
 525                 if (event.closedLoopEventStatus == null ||
 526                                 (event.closedLoopEventStatus != ControlLoopEventStatus.ONSET &&
 527                                 event.closedLoopEventStatus != ControlLoopEventStatus.ABATED)) {
 528                         throw new ControlLoopException("Invalid value in closedLoopEventStatus");
 529                 }
 530                 if (event.closedLoopControlName == null || event.closedLoopControlName.length() < 1) {
 531                         throw new ControlLoopException("No control loop name");
 532                 }
 533                 if (event.requestID == null) {
 534                         throw new ControlLoopException("No request ID");
 535                 }
 536                 if (event.AAI == null) {
 537                         throw new ControlLoopException("AAI is null");
 538                 }
 539                 if (event.AAI.get("generic-vnf.vnf-id") == null && event.AAI.get("vserver.vserver-name") == null &&
 540                         event.AAI.get("generic-vnf.vnf-name") == null) {
 541                         throw new ControlLoopException("generic-vnf.vnf-id or generic-vnf.vnf-name or vserver.vserver-name information missing");
 542                 }
 543                 if (event.AAI.get("vserver.is-closed-loop-disabled") == null) {
 544                         try {
 545                                 if (event.AAI.get("generic-vnf.vnf-id") != null) {
 546                                vnfResponse = getAAIVnfInfo(event);
 547                                if (vnfResponse == null) {
 548                                    throw new ControlLoopException("AAI Response is null (query by vnf-id)");
 549                                }
 550                                if (isClosedLoopDisabled(vnfResponse) == true) {
 551                                            throw new ControlLoopException("is-closed-loop-disabled is set to true");
 552                                }
 553                                 } else if (event.AAI.get("generic-vnf.vnf-name") != null) {
 554                                     vnfResponse = getAAIVnfInfo(event);
 555                                     if (vnfResponse == null) {
 556                                         throw new ControlLoopException("AAI Response is null (query by vnf-name)");
 557                                     }
 558                                     if (isClosedLoopDisabled(vnfResponse) == true) {
 559                                                 throw new ControlLoopException("is-closed-loop-disabled is set to true");
 560                                     }
 561                                 } else if (event.AAI.get("vserver.vserver-name") != null) {
 562                                     vserverResponse = getAAIVserverInfo(event);
 563                                     if (vserverResponse == null) {
 564                                        throw new ControlLoopException("AAI Response is null (query by vserver-name)");
 565                                     }
 566                                     if (isClosedLoopDisabled(vserverResponse) == true) {
 567                                                 throw new ControlLoopException("is-closed-loop-disabled is set to true");
 568                                     }
 569                                 }
 570                         } catch (Exception e) {
 571                                 logger.error("Exception from getAAIInfo: ", e);
 572                                 throw new ControlLoopException("Exception from getAAIInfo: " + e.toString());
 573                         }
 574                 } else if (isClosedLoopDisabled(event)) {
 575                         throw new ControlLoopException("is-closed-loop-disabled is set to true");
 576                 }
 577                 if (event.target == null || event.target.length() < 1) {
 578                         throw new ControlLoopException("No target field");
 579                 } else {
 580                         if (! event.target.equalsIgnoreCase("VM_NAME") &&
 581                                 ! event.target.equalsIgnoreCase("VNF_NAME") &&
 582                                 ! event.target.equalsIgnoreCase("vserver.vserver-name") &&
 583                                 ! event.target.equalsIgnoreCase("generic-vnf.vnf-id") &&
 584                                 ! event.target.equalsIgnoreCase("generic-vnf.vnf-name") ) {
 585                                 throw new ControlLoopException("target field invalid - expecting VM_NAME or VNF_NAME");
 586                         }
 587                 }
 588         }
 589
 590         public static boolean isClosedLoopDisabled(AAIGETVnfResponse aaiResponse) {
 591         if (aaiResponse != null && aaiResponse.isClosedLoopDisabled != null) {
 592                 String value = aaiResponse.isClosedLoopDisabled;
 593                 if ("true".equalsIgnoreCase(value) || "T".equalsIgnoreCase(value) ||
 594                         "yes".equalsIgnoreCase(value)  || "Y".equalsIgnoreCase(value)) {
 595                         return true;
 596                 }
 597         }
 598
 599                 return false;
 600         }
 601
 602         public static boolean isClosedLoopDisabled(AAIGETVserverResponse aaiResponse) {
 603         if (aaiResponse != null && aaiResponse.isClosedLoopDisabled != null) {
 604                 String value = aaiResponse.isClosedLoopDisabled;
 605                 if ("true".equalsIgnoreCase(value) || "T".equalsIgnoreCase(value) ||
 606                         "yes".equalsIgnoreCase(value)  || "Y".equalsIgnoreCase(value)) {
 607                         return true;
 608                 }
 609         }
 610
 611                 return false;
 612         }
 613
 614         public static boolean isClosedLoopDisabled(VirtualControlLoopEvent event) {
 615                 if ("true".equalsIgnoreCase(event.AAI.get("vserver.is-closed-loop-disabled")) ||
 616                     "T".equalsIgnoreCase(event.AAI.get("vserver.is-closed-loop-disabled")) ||
 617                     "yes".equalsIgnoreCase(event.AAI.get("vserver.is-closed-loop-disabled")) ||
 618                     "Y".equalsIgnoreCase(event.AAI.get("vserver.is-closed-loop-disabled"))) {
 619                         return true;
 620                 }
 621                 return false;
 622         }
 623
 624         public static AAIGETVserverResponse getAAIVserverInfo(VirtualControlLoopEvent event) throws ControlLoopException {
 625                 UUID requestID = event.requestID;
 626                 AAIGETVserverResponse response = null;
 627                 String vserverName = event.AAI.get("vserver.vserver-name");
 628
 629                 try {
 630                 if (vserverName != null) {
 631                    aaiHostURL  = PolicyEngine.manager.getEnvironmentProperty("aai.url");
 632                    aaiUser     = PolicyEngine.manager.getEnvironmentProperty("aai.user");
 633                    aaiPassword = PolicyEngine.manager.getEnvironmentProperty("aai.password");
 634                    String aaiGetQueryByVserver = "/aai/v11/nodes/vservers?vserver-name=";
 635                            String url = aaiHostURL + aaiGetQueryByVserver;
 636                            logger.info("url: " + url);
 637                            response = AAIManager.getQueryByVserverName(url, aaiUser, aaiPassword, requestID, vserverName);
 638                 }
 639             } catch (Exception e) {
 640                 logger.error("getAAIVserverInfo exception: ", e);
 641                 throw new ControlLoopException("Exception in getAAIVserverInfo: ", e);
 642         }
 643
 644                 return response;
 645         }
 646
 647         public static AAIGETVnfResponse getAAIVnfInfo(VirtualControlLoopEvent event) throws ControlLoopException {
 648                 UUID requestID = event.requestID;
 649                 AAIGETVnfResponse response = null;
 650                 String vnfName = event.AAI.get("generic-vnf.vnf-name");
 651                 String vnfID   = event.AAI.get("generic-vnf.vnf-id");
 652
 653                 try {
 654             if (vnfName != null) {
 655                    aaiHostURL  = PolicyEngine.manager.getEnvironmentProperty("aai.url");
 656                    aaiUser     = PolicyEngine.manager.getEnvironmentProperty("aai.user");
 657                    aaiPassword = PolicyEngine.manager.getEnvironmentProperty("aai.password");
 658                    String aaiGetQueryByVnfName = "/aai/v11/network/generic-vnfs/generic-vnf?vnf-name=";
 659                            String url = aaiHostURL + aaiGetQueryByVnfName;
 660                            logger.info("url: " + url);
 661                            response = AAIManager.getQueryByVnfName(url, aaiUser, aaiPassword, requestID, vnfName);
 662                 } else if (vnfID != null) {
 663                        aaiHostURL  = PolicyEngine.manager.getEnvironmentProperty("aai.url");
 664                        aaiUser     = PolicyEngine.manager.getEnvironmentProperty("aai.user");
 665                        aaiPassword = PolicyEngine.manager.getEnvironmentProperty("aai.password");
 666                        String aaiGetQueryByVnfID = "/aai/v11/network/generic-vnfs/generic-vnf/";
 667                            String url = aaiHostURL + aaiGetQueryByVnfID;
 668                            logger.info("url: " + url);
 669                            response = AAIManager.getQueryByVnfID(url, aaiUser, aaiPassword, requestID, vnfID);
 670                 }
 671             } catch (Exception e) {
 672                 logger.error("getAAIVnfInfo exception: ", e);
 673                 throw new ControlLoopException("Exception in getAAIVnfInfo: ", e);
 674         }
 675
 676                 return response;
 677         }
 678
 679         @Override
 680         public boolean isActive() {
 681                 // TODO
 682                 return true;
 683         }
 684
 685         @Override
 686         public boolean releaseLock() {
 687                 // TODO
 688                 return false;
 689         }
 690
 691         public String getTargetInstance(Policy policy) {
 692                 if (policy.getTarget() != null) {
 693                         if (policy.getTarget().getType() != null) {
 694                                 switch(policy.getTarget().getType()) {
 695                                 case PNF:
 696                                         break;
 697                                 case VM:
 698                                 case VNF:
 699                                         if (this.onset.target.equalsIgnoreCase("vserver.vserver-name")) {
 700                                                 return this.onset.AAI.get("vserver.vserver-name");
 701                                         }
 702                                         else if (this.onset.target.equalsIgnoreCase("generic-vnf.vnf-id")) {
 703                                             return this.onset.AAI.get("generic-vnf.vnf-id");
 704                                         }
 705                                         else if (this.onset.target.equalsIgnoreCase("generic-vnf.vnf-name")) {
 706                                             return this.onset.AAI.get("generic-vnf.vnf-name");
 707                                         }
 708                                         break;
 709                                 default:
 710                                         break;
 711                                 }
 712                         }
 713                 }
 714                 return null;
 715         }
 716
 717         @Override
 718         public String toString() {
 719                 return "ControlLoopEventManager [closedLoopControlName=" + closedLoopControlName + ", requestID=" + requestID
 720                                 + ", processor=" + processor + ", onset=" + (onset != null ? onset.requestID : "null") + ", numOnsets=" + numOnsets + ", numAbatements="
 721                                 + numAbatements + ", isActivated="
 722                                 + isActivated + ", currentOperation=" + currentOperation + ", targetLock=" + targetLock + "]";
 723         }
 724
 725 }