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/*
* Copyright 2016-2017, Nokia Corporation
*
* 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.
*/
package org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.onap.vfc;
import com.google.gson.Gson;
import com.nokia.cbam.lcm.v32.model.OperationExecution;
import com.nokia.cbam.lcm.v32.model.ScaleVnfRequest;
import com.nokia.cbam.lcm.v32.model.VnfLifecycleChangeNotification;
import java.util.ArrayList;
import java.util.Optional;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.api.INotificationSender;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.spring.Conditions;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.DriverProperties;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.notification.LifecycleChangeNotificationManager;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.notification.ReportedAffectedConnectionPoints;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.notification.ReportedAffectedCp;
import org.onap.vnfmdriver.model.*;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Conditional;
import org.springframework.stereotype.Component;
import static java.util.Optional.of;
import static com.google.common.collect.Iterables.tryFind;
import static com.nokia.cbam.lcm.v32.model.ScaleDirection.IN;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.CbamUtils.SEPARATOR;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.CbamUtils.buildFatalFailure;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.JobManager.extractOnapJobId;
import static org.slf4j.LoggerFactory.getLogger;
/**
* Responsible for sending notifications to VF-C
*/
@Component
@Conditional(value = Conditions.UseForVfc.class)
public class VfcNotificationSender implements INotificationSender {
private static Logger logger = getLogger(VfcNotificationSender.class);
private final DriverProperties driverProperties;
private final VfcRestApiProvider vfcRestApiProvider;
@Autowired
VfcNotificationSender(DriverProperties driverProperties, VfcRestApiProvider vfcRestApiProvider) {
this.driverProperties = driverProperties;
this.vfcRestApiProvider = vfcRestApiProvider;
}
@Override
public void processNotification(VnfLifecycleChangeNotification recievedNotification, OperationExecution operationExecution, Optional<ReportedAffectedConnectionPoints> affectedCps, String vimId) {
VNFLCMNotification notificationToSend = new VNFLCMNotification();
notificationToSend.setJobId(extractOnapJobId(operationExecution.getOperationParams()));
notificationToSend.setOperation(getOperation(operationExecution, recievedNotification.getOperation()));
notificationToSend.setVnfInstanceId(recievedNotification.getVnfInstanceId());
if (LifecycleChangeNotificationManager.isTerminal(recievedNotification.getStatus())) {
notificationToSend.setStatus(VnfLcmNotificationStatus.RESULT);
addAffectedVirtualLinks(recievedNotification, notificationToSend);
addAffectedVnfcs(vimId, recievedNotification.getVnfInstanceId(), notificationToSend, recievedNotification);
addAffectedCps(vimId, notificationToSend, affectedCps);
} else {
notificationToSend.setStatus(VnfLcmNotificationStatus.START);
}
sendNotification(notificationToSend);
}
private void sendNotification(VNFLCMNotification notification) {
try {
if (logger.isInfoEnabled()) {
logger.info("Sending LCN: {}", new Gson().toJson(notification));
}
vfcRestApiProvider.getNsLcmApi().vNFLCMNotification(driverProperties.getVnfmId(), notification.getVnfInstanceId(), notification);
} catch (Exception e) {
throw buildFatalFailure(logger, "Unable to send LCN to VF-C", e);
}
}
private AffectedCp buildAffectedCp(String vimId, String vnfId, VnfCpNotificationType changeType, ReportedAffectedCp affectedCp) {
AffectedCp onapAffectedCp = new AffectedCp();
AffectedCpPortResource port = new AffectedCpPortResource();
port.setInstId(affectedCp.getServerProviderId());
port.setIpAddress(affectedCp.getIpAddress());
port.setMacAddress(affectedCp.getMacAddress());
port.setResourceid(affectedCp.getProviderId());
port.setResourceName(affectedCp.getName());
port.setTenant(affectedCp.getTenantId());
port.setVimid(vimId);
onapAffectedCp.setPortResource(port);
onapAffectedCp.setCpdid(affectedCp.getCpId());
onapAffectedCp.setCpinstanceid(vnfId + SEPARATOR + affectedCp.getCpId());
onapAffectedCp.setVirtualLinkInstanceId(affectedCp.getNetworkProviderId());
onapAffectedCp.setChangeType(changeType);
//owner id & type can be left empty it will default to VNF id on VF-C
return onapAffectedCp;
}
private void addAffectedVnfcs(String vimId, String vnfId, VNFLCMNotification notificationToSend, VnfLifecycleChangeNotification request) {
if (request.getAffectedVnfcs() != null) {
notificationToSend.setAffectedVnfc(new ArrayList<>());
for (com.nokia.cbam.lcm.v32.model.AffectedVnfc affectedVnfc : request.getAffectedVnfcs()) {
org.onap.vnfmdriver.model.AffectedVnfc onapVnfc = new org.onap.vnfmdriver.model.AffectedVnfc();
onapVnfc.setChangeType(getChangeType(affectedVnfc.getChangeType()));
onapVnfc.setVduId(affectedVnfc.getVduId());
onapVnfc.setVmid(affectedVnfc.getComputeResource().getResourceId());
onapVnfc.setVmname(extractServerName(affectedVnfc.getComputeResource().getAdditionalData()));
onapVnfc.setVnfcInstanceId(vnfId + SEPARATOR + affectedVnfc.getId());
onapVnfc.setVimid(vimId);
notificationToSend.getAffectedVnfc().add(onapVnfc);
}
}
}
private void addAffectedVirtualLinks(VnfLifecycleChangeNotification request, VNFLCMNotification notification) {
if (request.getAffectedVirtualLinks() != null) {
notification.setAffectedVl(new ArrayList<>());
for (com.nokia.cbam.lcm.v32.model.AffectedVirtualLink affectedVirtualLink : request.getAffectedVirtualLinks()) {
org.onap.vnfmdriver.model.AffectedVirtualLink onapVirtualLink = new org.onap.vnfmdriver.model.AffectedVirtualLink();
onapVirtualLink.setVlInstanceId(request.getVnfInstanceId() + SEPARATOR + affectedVirtualLink.getId());
onapVirtualLink.setChangeType(getChangeType(affectedVirtualLink.getChangeType()));
onapVirtualLink.setVldid(affectedVirtualLink.getVirtualLinkDescId());
AffectedVirtualLinkNetworkResource networkResource = new AffectedVirtualLinkNetworkResource();
onapVirtualLink.setNetworkResource(networkResource);
networkResource.setResourceId(affectedVirtualLink.getResource().getResourceId());
networkResource.setResourceType(AffectedVirtualLinkType.NETWORK);
notification.getAffectedVl().add(onapVirtualLink);
}
}
}
private Optional<VnfCpNotificationType> getChangeType(ReportedAffectedConnectionPoints affectedCps, ReportedAffectedCp affectedCp) {
com.google.common.base.Optional<ReportedAffectedCp> cpBeforeOperation = tryFind(affectedCps.getPre(), pre -> affectedCp.getCpId().equals(pre.getCpId()));
com.google.common.base.Optional<ReportedAffectedCp> cpAfterOperation = tryFind(affectedCps.getPost(), post -> affectedCp.getCpId().equals(post.getCpId()));
if (cpBeforeOperation.isPresent() && cpAfterOperation.isPresent()) {
return cpAfterOperation.get().equals(cpBeforeOperation.get()) ? Optional.empty() : of(VnfCpNotificationType.CHANGED);
} else {
//the affected CP must be present in the pre or post
return of((cpAfterOperation.isPresent() ? VnfCpNotificationType.ADDED : VnfCpNotificationType.REMOVED));
}
}
private void addAffectedCps(String vimId, VNFLCMNotification notificationToSend, Optional<ReportedAffectedConnectionPoints> affectedCps) {
if (affectedCps.isPresent()) {
notificationToSend.setAffectedCp(new ArrayList<>());
for (ReportedAffectedCp pre : affectedCps.get().getPre()) {
Optional<VnfCpNotificationType> changeType = getChangeType(affectedCps.get(), pre);
if (of(VnfCpNotificationType.REMOVED).equals(changeType)) {
addModifiedCp(vimId, notificationToSend, pre, changeType);
}
}
for (ReportedAffectedCp post : affectedCps.get().getPost()) {
Optional<VnfCpNotificationType> changeType = getChangeType(affectedCps.get(), post);
if (of(VnfCpNotificationType.ADDED).equals(changeType)) {
addModifiedCp(vimId, notificationToSend, post, changeType);
}
if (of(VnfCpNotificationType.CHANGED).equals(changeType)) {
addModifiedCp(vimId, notificationToSend, post, changeType);
}
}
}
}
private void addModifiedCp(String vimId, VNFLCMNotification notificationToSend, ReportedAffectedCp post, Optional<VnfCpNotificationType> changeType) {
if (post.getCpdId() != null) {
AffectedCp onapAffectedCp = buildAffectedCp(vimId, notificationToSend.getVnfInstanceId(), changeType.get(), post);
onapAffectedCp.setCpdid(post.getCpdId());
notificationToSend.getAffectedCp().add(onapAffectedCp);
}
if (post.getEcpdId() != null) {
AffectedCp onapAffectedCp = buildAffectedCp(vimId, notificationToSend.getVnfInstanceId(), changeType.get(), post);
onapAffectedCp.setCpdid(post.getEcpdId());
notificationToSend.getAffectedCp().add(onapAffectedCp);
}
}
private org.onap.vnfmdriver.model.OperationType getOperation(OperationExecution operationExecution, com.nokia.cbam.lcm.v32.model.OperationType type) {
if (type == com.nokia.cbam.lcm.v32.model.OperationType.TERMINATE) {
return OperationType.TERMINAL;
} else if (type == com.nokia.cbam.lcm.v32.model.OperationType.INSTANTIATE) {
return OperationType.INSTANTIATE;
} else if (type == com.nokia.cbam.lcm.v32.model.OperationType.SCALE) {
if (IN == new Gson().fromJson(new Gson().toJson(operationExecution.getOperationParams()), ScaleVnfRequest.class).getType()) {
return OperationType.SCALEIN;
} else {
return OperationType.SCALEOUT;
}
} else {
return OperationType.HEAL;
}
}
private String extractServerName(Object additionalData) {
return new Gson().toJsonTree(additionalData).getAsJsonObject().get("name").getAsString();
}
private org.onap.vnfmdriver.model.VnfNotificationType getChangeType(com.nokia.cbam.lcm.v32.model.ChangeType changeType) {
if (changeType == com.nokia.cbam.lcm.v32.model.ChangeType.ADDED) {
return VnfNotificationType.ADDED;
} else if (changeType == com.nokia.cbam.lcm.v32.model.ChangeType.REMOVED) {
return VnfNotificationType.REMOVED;
} else {
return VnfNotificationType.MODIFIED;
}
}
}
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