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/*
* ============LICENSE_START=======================================================
* VES-OPENAPI-MANAGER
* ================================================================================
* Copyright (C) 2021 Nokia. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.ves.openapi.manager.service;
import lombok.extern.log4j.Log4j2;
import org.onap.sdc.api.consumer.INotificationCallback;
import org.onap.sdc.api.notification.IArtifactInfo;
import org.onap.sdc.api.notification.INotificationData;
import org.onap.sdc.api.notification.IResourceInstance;
import org.onap.ves.openapi.manager.model.Artifact;
import org.onap.ves.openapi.manager.model.ArtifactValidationResult;
import org.onap.ves.openapi.manager.service.notification.ArtifactsCollectorStatusSender;
import org.onap.ves.openapi.manager.service.notification.FinalStatusSender;
import org.onap.ves.openapi.manager.service.notification.ValidationStatusSender;
import org.onap.ves.openapi.manager.service.validation.ArtifactsValidator;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
@Log4j2
public class ClientCallback implements INotificationCallback {
public static final String SEPARATOR = "===================================";
private final List<ArtifactsValidator> validators;
private final ValidationStatusSender validationStatusSender;
private final ArtifactsCollectorStatusSender artifactsCollectorStatusSender;
private final ArtifactsCollector artifactsCollector;
private final FinalStatusSender finalStatusSender;
/**
* Constructor of ClientCallback
* @param validators List of objects implementing ArtifactValidator interface
* @param artifactsCollector ArtifactsCollector object which downloads artifacts contents
* @param artifactsCollectorStatusSender ArtifactsCollectorStatusSender which sends download results back to SDC
* @param validationStatusSender ValidationStatusSender which sends validation results to SDC
* @param finalStatusSender FinalStatusSender which sends final status of VES OpenApi Manager workflow
*/
public ClientCallback(List<ArtifactsValidator> validators, ArtifactsCollector artifactsCollector,
ArtifactsCollectorStatusSender artifactsCollectorStatusSender,
ValidationStatusSender validationStatusSender, FinalStatusSender finalStatusSender) {
this.validators = validators;
this.validationStatusSender = validationStatusSender;
this.artifactsCollectorStatusSender = artifactsCollectorStatusSender;
this.artifactsCollector = artifactsCollector;
this.finalStatusSender = finalStatusSender;
}
/**
* Callback method of distribution listener. Each time a service distribution takes place it's executed.
* @param service Distributed service information.
*/
@Override
public void activateCallback(INotificationData service) {
logServiceInfo(service);
String distributionID = service.getDistributionID();
List<Artifact> artifacts = downloadArtifacts(service);
List<ArtifactValidationResult> validationResults = validate(distributionID, artifacts);
sendFinalStatus(distributionID, validationResults);
}
private void logServiceInfo(INotificationData service) {
log.info(SEPARATOR);
log.info("Distributed service information");
log.info("Service UUID: {}", service.getServiceUUID());
log.info("Service name: {}", service.getServiceName());
List<IResourceInstance> resources = service.getResources();
log.info("Service resources:");
resources.forEach(resource -> {
log.info(" - Resource: {}", resource.getResourceName());
log.info(" Artifacts:");
resource.getArtifacts().forEach(artifact -> log.info(" - Name: {}", artifact.getArtifactName()));
});
log.info(SEPARATOR);
}
private List<Artifact> downloadArtifacts(INotificationData service) {
List<IArtifactInfo> artifactInfos = getArtifactInfos(service);
List<Artifact> artifacts = artifactsCollector.pullArtifacts(artifactInfos);
sendDownloadStatuses(service, artifactInfos, artifacts);
return artifacts;
}
private void sendDownloadStatuses(INotificationData service, List<IArtifactInfo> artifactInfos, List<Artifact> artifacts) {
Map<Boolean, List<Artifact>> artifactsDownloadResults = artifacts.stream()
.collect(Collectors.partitioningBy(this::isContentDownloaded));
artifactsDownloadResults.get(Boolean.TRUE).forEach(artifact ->
artifactsCollectorStatusSender.sendDownloadOk(service.getDistributionID(), artifactInfos));
artifactsDownloadResults.get(Boolean.FALSE).forEach(artifact ->
artifactsCollectorStatusSender.sendDownloadError(service.getDistributionID(), artifactInfos));
}
private boolean isContentDownloaded(Artifact artifact) {
return artifact.getContent() != null && artifact.getContent().length > 0;
}
private List<IArtifactInfo> getArtifactInfos(INotificationData service) {
return service.getResources().stream()
.map(IResourceInstance::getArtifacts)
.flatMap(Collection::stream)
.collect(Collectors.toList());
}
private List<ArtifactValidationResult> validate(String distributionID, List<Artifact> artifacts) {
return validators.stream()
.map(validator -> {
List<ArtifactValidationResult> validationResults = validator.validate(artifacts);
validationStatusSender.send(distributionID, validationResults);
return validationResults;
})
.flatMap(Collection::stream)
.collect(Collectors.toList());
}
private void sendFinalStatus(String distributionID, List<ArtifactValidationResult> validationResults) {
boolean areAllArtifactsValid = validationResults.stream().allMatch(ArtifactValidationResult::isValid);
if (areAllArtifactsValid) {
finalStatusSender.sendFinalStatusOk(distributionID);
} else {
finalStatusSender.sendFinalStatusError(distributionID);
}
}
}
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