adapters/etsi-sol003-adapter/etsi-sol003-lcm/etsi-sol003-lcm-adapter/src/main/java/org/onap/so/adapters/vnfmadapter/rest/Sol003LcnContoller.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2019 Nordix Foundation.
   4  * ================================================================================
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  * SPDX-License-Identifier: Apache-2.0
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.so.adapters.vnfmadapter.rest;
  22
  23 import static org.onap.so.adapters.vnfmadapter.LifeCycleManagementConstants.OPERATION_NOTIFICATION_ENDPOINT;
  24 import static org.onap.so.adapters.vnfmadapter.common.CommonConstants.BASE_URL;
  25 import static org.slf4j.LoggerFactory.getLogger;
  26 import java.util.concurrent.ExecutorService;
  27 import java.util.concurrent.Executors;
  28 import javax.ws.rs.core.MediaType;
  29 import org.onap.aai.domain.yang.EsrVnfm;
  30 import org.onap.aai.domain.yang.GenericVnf;
  31 import org.onap.so.adapters.vnfmadapter.extclients.aai.AaiHelper;
  32 import org.onap.so.adapters.vnfmadapter.extclients.aai.AaiServiceProvider;
  33 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.VnfmServiceProvider;
  34 import org.onap.so.adapters.vnfmadapter.lcn.model.VnfIdentifierCreationNotification;
  35 import org.onap.so.adapters.vnfmadapter.lcn.model.VnfIdentifierDeletionNotification;
  36 import org.onap.so.adapters.vnfmadapter.lcn.model.VnfLcmOperationOccurrenceNotification;
  37 import org.onap.so.adapters.vnfmadapter.lcn.model.VnfLcmOperationOccurrenceNotification.OperationEnum;
  38 import org.onap.so.adapters.vnfmadapter.lcn.model.VnfLcmOperationOccurrenceNotification.OperationStateEnum;
  39 import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.InlineResponse201;
  40 import org.onap.so.adapters.vnfmadapter.jobmanagement.JobManager;
  41 import org.onap.so.adapters.vnfmadapter.notificationhandling.NotificationHandler;
  42 import org.slf4j.Logger;
  43 import org.springframework.beans.factory.annotation.Autowired;
  44 import org.springframework.http.HttpStatus;
  45 import org.springframework.http.ResponseEntity;
  46 import org.springframework.stereotype.Controller;
  47 import org.springframework.web.bind.annotation.PostMapping;
  48 import org.springframework.web.bind.annotation.RequestBody;
  49 import org.springframework.web.bind.annotation.RequestMapping;
  50
  51 /**
  52  * Controller for handling notifications from the VNFM (Virtual Network Function Manager).
  53  */
  54 @Controller
  55 @RequestMapping(value = BASE_URL, produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML},
  56         consumes = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
  57 public class Sol003LcnContoller {
  58     private static Logger logger = getLogger(Sol003LcnContoller.class);
  59     private static final String LOG_LCN_RECEIVED = "LCN received from VNFM: ";
  60     private final AaiServiceProvider aaiServiceProvider;
  61     private final AaiHelper aaiHelper;
  62     private final VnfmServiceProvider vnfmServiceProvider;
  63     private final JobManager jobManager;
  64     private final ExecutorService executor = Executors.newCachedThreadPool();
  65
  66     @Autowired
  67     Sol003LcnContoller(final AaiServiceProvider aaiServiceProvider, final AaiHelper aaiHelper,
  68             final VnfmServiceProvider vnfmServiceProvider, final JobManager jobManager) {
  69         this.aaiServiceProvider = aaiServiceProvider;
  70         this.aaiHelper = aaiHelper;
  71         this.vnfmServiceProvider = vnfmServiceProvider;
  72         this.jobManager = jobManager;
  73     }
  74
  75     @PostMapping(value = "/lcn/VnfIdentifierCreationNotification")
  76     public ResponseEntity<Void> lcnVnfIdentifierCreationNotificationPost(
  77             @RequestBody final VnfIdentifierCreationNotification vnfIdentifierCreationNotification) {
  78         logger.info(LOG_LCN_RECEIVED + vnfIdentifierCreationNotification);
  79         return new ResponseEntity<>(HttpStatus.NO_CONTENT);
  80     }
  81
  82     @PostMapping(value = "/lcn/VnfIdentifierDeletionNotification")
  83     public ResponseEntity<Void> lcnVnfIdentifierDeletionNotificationPost(
  84             @RequestBody final VnfIdentifierDeletionNotification vnfIdentifierDeletionNotification) {
  85         logger.info(LOG_LCN_RECEIVED + vnfIdentifierDeletionNotification);
  86         return new ResponseEntity<>(HttpStatus.NO_CONTENT);
  87     }
  88
  89     @PostMapping(value = OPERATION_NOTIFICATION_ENDPOINT)
  90     public ResponseEntity<Void> lcnVnfLcmOperationOccurrenceNotificationPost(
  91             @RequestBody final VnfLcmOperationOccurrenceNotification vnfLcmOperationOccurrenceNotification) {
  92         logger.info(LOG_LCN_RECEIVED + vnfLcmOperationOccurrenceNotification);
  93
  94         if (isANotificationOfInterest(vnfLcmOperationOccurrenceNotification)) {
  95             final InlineResponse201 vnfInstance = getVnfInstance(vnfLcmOperationOccurrenceNotification);
  96             final NotificationHandler handler = new NotificationHandler(vnfLcmOperationOccurrenceNotification,
  97                     aaiHelper, aaiServiceProvider, vnfmServiceProvider, jobManager, vnfInstance);
  98             executor.execute(handler);
  99         }
 100
 101         logger.info("Sending notification response");
 102         return new ResponseEntity<>(HttpStatus.NO_CONTENT);
 103     }
 104
 105     private boolean isANotificationOfInterest(final VnfLcmOperationOccurrenceNotification notification) {
 106         return isInstanitiateCompleted(notification) || isTerminateTerminalState(notification);
 107     }
 108
 109     private boolean isInstanitiateCompleted(final VnfLcmOperationOccurrenceNotification notification) {
 110         return notification.getOperation().equals(OperationEnum.INSTANTIATE)
 111                 && notification.getOperationState().equals(OperationStateEnum.COMPLETED);
 112     }
 113
 114     private boolean isTerminateTerminalState(final VnfLcmOperationOccurrenceNotification notification) {
 115         return notification.getOperation().equals(OperationEnum.TERMINATE)
 116                 && (notification.getOperationState().equals(OperationStateEnum.COMPLETED)
 117                         || notification.getOperationState().equals(OperationStateEnum.FAILED)
 118                         || notification.getOperationState().equals(OperationStateEnum.ROLLED_BACK));
 119     }
 120
 121     private InlineResponse201 getVnfInstance(
 122             final VnfLcmOperationOccurrenceNotification vnfLcmOperationOccurrenceNotification) {
 123         GenericVnf vnfInAai = aaiServiceProvider
 124                 .invokeQueryGenericVnf(vnfLcmOperationOccurrenceNotification.getLinks().getVnfInstance().getHref())
 125                 .getGenericVnf().get(0);
 126         EsrVnfm vnfm = aaiHelper.getAssignedVnfm(vnfInAai);
 127         return vnfmServiceProvider
 128                 .getVnf(vnfm, vnfLcmOperationOccurrenceNotification.getLinks().getVnfInstance().getHref()).get();
 129     }
 130
 131 }