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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.notificationhandling;
import static org.slf4j.LoggerFactory.getLogger;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.json.JSONException;
import org.json.JSONObject;
import org.onap.aai.domain.yang.GenericVnf;
import org.onap.aai.domain.yang.Relationship;
import org.onap.aai.domain.yang.Vserver;
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.aai.OamIpAddressSource;
import org.onap.so.adapters.etsisol003adapter.lcm.extclients.aai.OamIpAddressSource.OamIpAddressType;
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.extclients.vnfm.model.InlineResponse201VimConnectionInfo;
import org.onap.so.adapters.etsisol003adapter.lcm.jobmanagement.JobManager;
import org.onap.so.adapters.etsisol003adapter.lcm.lcn.model.LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs;
import org.onap.so.adapters.etsisol003adapter.lcm.lcn.model.LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs.ChangeTypeEnum;
import org.onap.so.adapters.etsisol003adapter.lcm.lcn.model.VnfLcmOperationOccurrenceNotification;
import org.onap.so.adapters.etsisol003adapter.lcm.lcn.model.VnfLcmOperationOccurrenceNotification.OperationStateEnum;
import org.slf4j.Logger;
/**
* Performs updates to AAI based on a received notification. The updates are executed in a separate thread so as the
* notification response to the VNFM is not delayed.
*/
public class NotificationHandler implements Runnable {
private static Logger logger = getLogger(NotificationHandler.class);
private final VnfLcmOperationOccurrenceNotification vnfLcmOperationOccurrenceNotification;
private final AaiHelper aaiHelper;
private final AaiServiceProvider aaiServiceProvider;
private final VnfmServiceProvider vnfmServiceProvider;
private final JobManager jobManager;
private final InlineResponse201 vnfInstance;
public NotificationHandler(final VnfLcmOperationOccurrenceNotification vnfLcmOperationOccurrenceNotification,
final AaiHelper aaiHelper, final AaiServiceProvider aaiServiceProvider,
final VnfmServiceProvider vnfmServiceProvider, final JobManager jobManager,
final InlineResponse201 vnfInstance) {
this.vnfLcmOperationOccurrenceNotification = vnfLcmOperationOccurrenceNotification;
this.aaiHelper = aaiHelper;
this.aaiServiceProvider = aaiServiceProvider;
this.vnfmServiceProvider = vnfmServiceProvider;
this.jobManager = jobManager;
this.vnfInstance = vnfInstance;
}
@Override
public void run() {
try {
if (vnfLcmOperationOccurrenceNotification.getOperationState().equals(OperationStateEnum.COMPLETED)) {
switch (vnfLcmOperationOccurrenceNotification.getOperation()) {
case INSTANTIATE:
handleVnfInstantiate();
break;
case TERMINATE:
handleVnfTerminate();
break;
default:
}
}
} catch (final Exception exception) {
logger.error("Error encountered handling notification, AAI may not be updated correctly "
+ vnfLcmOperationOccurrenceNotification, exception);
}
}
private void handleVnfInstantiate() {
if (vnfLcmOperationOccurrenceNotification.getOperationState().equals(OperationStateEnum.COMPLETED)) {
handleVnfInstantiateCompleted();
}
}
private void handleVnfInstantiateCompleted() {
final GenericVnf genericVnf = aaiServiceProvider
.invokeQueryGenericVnf(vnfInstance.getLinks().getSelf().getHref()).getGenericVnf().get(0);
final GenericVnf genericVnfPatch = new GenericVnf();
genericVnfPatch.setVnfId(genericVnf.getVnfId());
setOamIpAddress(genericVnfPatch, vnfInstance);
genericVnfPatch.setOrchestrationStatus("Created");
aaiServiceProvider.invokePatchGenericVnf(genericVnfPatch);
addVservers(vnfLcmOperationOccurrenceNotification, genericVnf.getVnfId(), vnfInstance.getVimConnectionInfo());
logger.debug("Finished handling notification for vnfm: " + vnfInstance.getId());
}
private void setOamIpAddress(final GenericVnf genericVnf, final InlineResponse201 vnfInstance) {
final OamIpAddressSource oamIpAddressSource = aaiHelper.getOamIpAddressSource(vnfInstance.getId());
if (oamIpAddressSource == null) {
logger.warn("No source indicated for OAM IP address, no value will be set in AAI");
return;
}
if (oamIpAddressSource.getType().equals(OamIpAddressType.LITERAL)) {
genericVnf.setIpv4OamAddress(oamIpAddressSource.getValue());
} else {
try {
logger.debug("ConfigurableProperties: " + vnfInstance.getVnfConfigurableProperties());
if (vnfInstance.getVnfConfigurableProperties() == null) {
logger.warn("No ConfigurableProperties, cannot set OAM IP Address");
}
final JSONObject properties = new JSONObject((Map) vnfInstance.getVnfConfigurableProperties());
genericVnf.setIpv4OamAddress(properties.get(oamIpAddressSource.getValue()).toString());
} catch (final JSONException jsonException) {
logger.error("Error getting vnfIpAddress", jsonException);
}
}
}
private void handleVnfTerminate() {
switch (vnfLcmOperationOccurrenceNotification.getOperationState()) {
case COMPLETED:
handleVnfTerminateCompleted();
break;
case FAILED:
case ROLLING_BACK:
handleVnfTerminateFailed();
break;
default:
}
}
private void handleVnfTerminateFailed() {
try {
final GenericVnf genericVnf = aaiServiceProvider
.invokeQueryGenericVnf(vnfInstance.getLinks().getSelf().getHref()).getGenericVnf().get(0);
deleteVserversFromAai(vnfLcmOperationOccurrenceNotification, genericVnf);
} finally {
jobManager.notificationProcessedForOperation(vnfLcmOperationOccurrenceNotification.getVnfLcmOpOccId(),
false);
}
}
private void handleVnfTerminateCompleted() {
GenericVnf genericVnf = null;
boolean vServersDeletedFromAai = false;
boolean identifierDeletedFromVnfm = false;
boolean genericVnfUpdated = false;
try {
genericVnf = aaiServiceProvider.invokeQueryGenericVnf(vnfInstance.getLinks().getSelf().getHref())
.getGenericVnf().get(0);
vServersDeletedFromAai = deleteVserversFromAai(vnfLcmOperationOccurrenceNotification, genericVnf);
identifierDeletedFromVnfm = deleteVnfIdentifierOnVnfm(genericVnf);
genericVnfUpdated = patchVnfInAai(genericVnf.getVnfId(), "Assigned", identifierDeletedFromVnfm ? "" : null);
} finally {
jobManager.notificationProcessedForOperation(vnfLcmOperationOccurrenceNotification.getVnfLcmOpOccId(),
vServersDeletedFromAai && identifierDeletedFromVnfm && genericVnfUpdated);
jobManager.vnfDeleted(vnfLcmOperationOccurrenceNotification.getVnfLcmOpOccId());
}
}
private void addVservers(final VnfLcmOperationOccurrenceNotification notification, final String vnfId,
final List<InlineResponse201VimConnectionInfo> vnfInstancesVimConnectionInfo) {
final Map<String, InlineResponse201VimConnectionInfo> vimConnectionIdToVimConnectionInfo = new HashMap<>();
for (final InlineResponse201VimConnectionInfo vimConnectionInfo : vnfInstancesVimConnectionInfo) {
vimConnectionIdToVimConnectionInfo.put(vimConnectionInfo.getId(), vimConnectionInfo);
}
for (final LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs vnfc : notification.getAffectedVnfcs()) {
final InlineResponse201VimConnectionInfo vimConnectionInfo =
getVimConnectionInfo(vimConnectionIdToVimConnectionInfo, vnfc);
if (ChangeTypeEnum.ADDED.equals(vnfc.getChangeType())) {
final Vserver vserver = aaiHelper.createVserver(vnfc);
aaiServiceProvider.invokePutVserver(getCloudOwner(vimConnectionInfo), getCloudRegion(vimConnectionInfo),
getTenant(vimConnectionInfo), vserver);
aaiServiceProvider.invokePutVserverToVnfRelationship(getCloudOwner(vimConnectionInfo),
getCloudRegion(vimConnectionInfo), getTenant(vimConnectionInfo), vserver, vnfId);
}
}
}
private boolean deleteVserversFromAai(final VnfLcmOperationOccurrenceNotification notification,
final GenericVnf vnf) {
try {
for (final LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs vnfc : notification.getAffectedVnfcs()) {
if (ChangeTypeEnum.REMOVED.equals(vnfc.getChangeType())) {
final Relationship relationshipToVserver = aaiHelper.deleteRelationshipWithDataValue(vnf, "vserver",
"vserver.vserver-id", vnfc.getComputeResource().getResourceId());
aaiServiceProvider.invokeDeleteVserver(
aaiHelper.getRelationshipData(relationshipToVserver, "cloud-region.cloud-owner"),
aaiHelper.getRelationshipData(relationshipToVserver, "cloud-region.cloud-region-id"),
aaiHelper.getRelationshipData(relationshipToVserver, "tenant.tenant-id"),
vnfc.getComputeResource().getResourceId());
}
}
return true;
} catch (final Exception exception) {
logger.error(
"Error encountered deleting vservers based on received notification, AAI may not be updated correctly "
+ vnfLcmOperationOccurrenceNotification,
exception);
return false;
}
}
private boolean deleteVnfIdentifierOnVnfm(final GenericVnf genericVnf) {
try {
vnfmServiceProvider.deleteVnf(aaiHelper.getAssignedVnfm(genericVnf), genericVnf.getSelflink());
return true;
} catch (final Exception exception) {
logger.error("Exception deleting the identifier " + genericVnf.getSelflink()
+ " from the VNFM. The VNF has been terminated successfully but the identifier will remain on the VNFM.",
exception);
return false;
}
}
private boolean patchVnfInAai(final String vnfId, final String orchestrationStatus, final String selfLink) {
try {
final GenericVnf genericVnfPatch = new GenericVnf();
genericVnfPatch.setVnfId(vnfId);
genericVnfPatch.setOrchestrationStatus(orchestrationStatus);
if (selfLink != null) {
genericVnfPatch.setSelflink(selfLink);
}
aaiServiceProvider.invokePatchGenericVnf(genericVnfPatch);
return true;
} catch (final Exception exception) {
logger.error(
"Error encountered setting orchestration status and/or self link based on received notification, AAI may not be updated correctly "
+ vnfLcmOperationOccurrenceNotification,
exception);
return false;
}
}
private InlineResponse201VimConnectionInfo getVimConnectionInfo(
final Map<String, InlineResponse201VimConnectionInfo> vimConnectionIdToVimConnectionInfo,
final LcnVnfLcmOperationOccurrenceNotificationAffectedVnfcs vnfc) {
final String vimConnectionId = vnfc.getComputeResource().getVimConnectionId();
return vimConnectionIdToVimConnectionInfo.get(vimConnectionId);
}
private String getCloudOwner(final InlineResponse201VimConnectionInfo vimConnectionInfo) {
final String vimId = vimConnectionInfo.getVimId();
return vimId.substring(0, vimId.indexOf("_"));
}
private String getCloudRegion(final InlineResponse201VimConnectionInfo vimConnectionInfo) {
final String vimId = vimConnectionInfo.getVimId();
return vimId.substring(vimId.indexOf("_") + 1);
}
private String getTenant(final InlineResponse201VimConnectionInfo vimConnectionInfo) {
final JSONObject vimConnectionJsonObject = new JSONObject(vimConnectionInfo);
return vimConnectionJsonObject.getJSONObject("accessInfo").get("projectId").toString();
}
}
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