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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.so.adapters.etsisol003adapter.lcm.rest;
import static org.onap.so.adapters.etsi.sol003.adapter.common.CommonConstants.BASE_URL;
import static org.onap.so.adapters.etsisol003adapter.lcm.LifeCycleManagementConstants.OPERATION_NOTIFICATION_ENDPOINT;
import static org.slf4j.LoggerFactory.getLogger;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import javax.ws.rs.core.MediaType;
import org.onap.aai.domain.yang.EsrVnfm;
import org.onap.aai.domain.yang.GenericVnf;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.aai.AaiHelper;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.aai.AaiServiceProvider;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm.VnfmServiceProvider;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.vnfm.model.InlineResponse201;
import org.onap.so.adapters.etsisol003adapter.lcm.jobmanagement.JobManager;
import org.onap.so.adapters.etsisol003adapter.lcm.lcn.model.VnfIdentifierCreationNotification;
import org.onap.so.adapters.etsisol003adapter.lcm.lcn.model.VnfIdentifierDeletionNotification;
import org.onap.so.adapters.etsisol003adapter.lcm.lcn.model.VnfLcmOperationOccurrenceNotification;
import org.onap.so.adapters.etsisol003adapter.lcm.lcn.model.VnfLcmOperationOccurrenceNotification.OperationEnum;
import org.onap.so.adapters.etsisol003adapter.lcm.lcn.model.VnfLcmOperationOccurrenceNotification.OperationStateEnum;
import org.onap.so.adapters.etsisol003adapter.lcm.notificationhandling.NotificationHandler;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
/**
* Controller for handling notifications from the VNFM (Virtual Network Function Manager).
*/
@Controller
@RequestMapping(value = BASE_URL, produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML},
consumes = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
public class Sol003LcnContoller {
private static Logger logger = getLogger(Sol003LcnContoller.class);
private static final String LOG_LCN_RECEIVED = "LCN received from VNFM: ";
private final AaiServiceProvider aaiServiceProvider;
private final AaiHelper aaiHelper;
private final VnfmServiceProvider vnfmServiceProvider;
private final JobManager jobManager;
private final ExecutorService executor = Executors.newCachedThreadPool();
@Autowired
Sol003LcnContoller(final AaiServiceProvider aaiServiceProvider, final AaiHelper aaiHelper,
final VnfmServiceProvider vnfmServiceProvider, final JobManager jobManager) {
this.aaiServiceProvider = aaiServiceProvider;
this.aaiHelper = aaiHelper;
this.vnfmServiceProvider = vnfmServiceProvider;
this.jobManager = jobManager;
}
@PostMapping(value = "/lcn/VnfIdentifierCreationNotification")
public ResponseEntity<Void> lcnVnfIdentifierCreationNotificationPost(
@RequestBody final VnfIdentifierCreationNotification vnfIdentifierCreationNotification) {
logger.info(LOG_LCN_RECEIVED + vnfIdentifierCreationNotification);
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
@PostMapping(value = "/lcn/VnfIdentifierDeletionNotification")
public ResponseEntity<Void> lcnVnfIdentifierDeletionNotificationPost(
@RequestBody final VnfIdentifierDeletionNotification vnfIdentifierDeletionNotification) {
logger.info(LOG_LCN_RECEIVED + vnfIdentifierDeletionNotification);
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
@PostMapping(value = OPERATION_NOTIFICATION_ENDPOINT)
public ResponseEntity<Void> lcnVnfLcmOperationOccurrenceNotificationPost(
@RequestBody final VnfLcmOperationOccurrenceNotification vnfLcmOperationOccurrenceNotification) {
logger.info(LOG_LCN_RECEIVED + vnfLcmOperationOccurrenceNotification);
if (isANotificationOfInterest(vnfLcmOperationOccurrenceNotification)) {
final InlineResponse201 vnfInstance = getVnfInstance(vnfLcmOperationOccurrenceNotification);
final NotificationHandler handler = new NotificationHandler(vnfLcmOperationOccurrenceNotification,
aaiHelper, aaiServiceProvider, vnfmServiceProvider, jobManager, vnfInstance);
executor.execute(handler);
}
logger.info("Sending notification response");
return new ResponseEntity<>(HttpStatus.NO_CONTENT);
}
private boolean isANotificationOfInterest(final VnfLcmOperationOccurrenceNotification notification) {
return isInstanitiateCompleted(notification) || isTerminateTerminalState(notification);
}
private boolean isInstanitiateCompleted(final VnfLcmOperationOccurrenceNotification notification) {
return notification.getOperation().equals(OperationEnum.INSTANTIATE)
&& notification.getOperationState().equals(OperationStateEnum.COMPLETED);
}
private boolean isTerminateTerminalState(final VnfLcmOperationOccurrenceNotification notification) {
return notification.getOperation().equals(OperationEnum.TERMINATE)
&& (notification.getOperationState().equals(OperationStateEnum.COMPLETED)
|| notification.getOperationState().equals(OperationStateEnum.FAILED)
|| notification.getOperationState().equals(OperationStateEnum.ROLLED_BACK));
}
private InlineResponse201 getVnfInstance(
final VnfLcmOperationOccurrenceNotification vnfLcmOperationOccurrenceNotification) {
final GenericVnf vnfInAai = aaiServiceProvider
.invokeQueryGenericVnf(vnfLcmOperationOccurrenceNotification.getLinks().getVnfInstance().getHref())
.getGenericVnf().get(0);
final EsrVnfm vnfm = aaiHelper.getAssignedVnfm(vnfInAai);
return vnfmServiceProvider
.getVnf(vnfm, vnfLcmOperationOccurrenceNotification.getLinks().getVnfInstance().getHref()).get();
}
}
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