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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017-2018 European Software Marketing Ltd.
* ================================================================================
* 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.aai.modelloader.notification;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Base64;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.onap.aai.babel.service.data.BabelRequest;
import org.onap.aai.cl.api.Logger;
import org.onap.aai.cl.eelf.LoggerFactory;
import org.onap.aai.cl.mdc.MdcContext;
import org.onap.aai.cl.mdc.MdcOverride;
import org.onap.aai.modelloader.babel.BabelArtifactService;
import org.onap.aai.modelloader.entity.Artifact;
import org.onap.aai.modelloader.entity.ArtifactType;
import org.onap.aai.modelloader.entity.catalog.VnfCatalogArtifact;
import org.onap.aai.modelloader.entity.model.BabelArtifactParsingException;
import org.onap.aai.modelloader.entity.model.IModelParser;
import org.onap.aai.modelloader.entity.model.NamedQueryArtifactParser;
import org.onap.aai.modelloader.extraction.InvalidArchiveException;
import org.onap.aai.modelloader.extraction.VnfCatalogExtractor;
import org.onap.aai.modelloader.service.ModelLoaderMsgs;
import org.onap.sdc.api.IDistributionClient;
import org.onap.sdc.api.notification.IArtifactInfo;
import org.onap.sdc.api.notification.INotificationData;
import org.onap.sdc.api.results.IDistributionClientDownloadResult;
import org.onap.sdc.utils.ArtifactTypeEnum;
import org.onap.sdc.utils.DistributionActionResultEnum;
import org.springframework.stereotype.Component;
/**
* This class is responsible for downloading the artifacts from the ASDC.
*
* The downloads can be TOSCA_CSAR files or VNF_CATALOG files.
*
* The status of the download is published. The status of the extraction of yml files from a TOSCA_CSAR file is also
* published as a deployment event.
*
* TOSCA_CSAR file artifacts will be converted into XML and returned as model artifacts.
*/
@Component
public class ArtifactDownloadManager {
private static Logger logger = LoggerFactory.getInstance().getLogger(ArtifactDownloadManager.class);
private final IDistributionClient client;
private final NotificationPublisher notificationPublisher;
private final VnfCatalogExtractor vnfCatalogExtractor;
private final BabelArtifactService babelArtifactService;
public ArtifactDownloadManager(IDistributionClient client,
NotificationPublisher notificationPublisher, VnfCatalogExtractor vnfCatalogExtractor, BabelArtifactService babelArtifactService) {
this.client = client;
this.notificationPublisher = notificationPublisher;
this.vnfCatalogExtractor = vnfCatalogExtractor;
this.babelArtifactService = babelArtifactService;
}
/**
* This method downloads the artifacts from the ASDC.
*
* @param data data about the notification that is being processed
* @param artifacts the specific artifacts found in the data.
* @param modelArtifacts collection of artifacts for model query specs
* @param catalogArtifacts collection of artifacts that represent vnf catalog files
* @return boolean <code>true</code> if the download process was successful otherwise <code>false</code>
* @throws Exception
*/
List<Artifact> downloadArtifacts(INotificationData data, List<IArtifactInfo> artifacts) throws Exception {
List<Artifact> allArtifacts = new ArrayList<>();
for (IArtifactInfo artifact : artifacts) {
try {
IDistributionClientDownloadResult downloadResult = downloadIndividualArtifacts(data, artifact);
List<Artifact> processedArtifacts = processDownloadedArtifacts(artifact, downloadResult, data);
allArtifacts.addAll(processedArtifacts);
} catch (DownloadFailureException e) {
notificationPublisher.publishDownloadFailure(client, data, artifact, e.getMessage());
throw e;
} catch (ProcessToscaArtifactsException | InvalidArchiveException | BabelArtifactParsingException e) {
notificationPublisher.publishDeployFailure(client, data, artifact);
throw e;
}
}
return allArtifacts;
}
private IDistributionClientDownloadResult downloadIndividualArtifacts(INotificationData data,
IArtifactInfo artifact) throws DownloadFailureException {
// Grab the current time so we can measure the download time for the metrics log
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSXXX");
MdcOverride override = new MdcOverride();
override.addAttribute(MdcContext.MDC_START_TIME, ZonedDateTime.now().format(formatter));
IDistributionClientDownloadResult downloadResult = client.download(artifact);
logger.info(ModelLoaderMsgs.DOWNLOAD_COMPLETE, downloadResult.getDistributionActionResult().toString(),
downloadResult.getArtifactPayload() == null ? "null"
: Base64.getEncoder().encodeToString(downloadResult.getArtifactPayload()));
if (DistributionActionResultEnum.SUCCESS.equals(downloadResult.getDistributionActionResult())) {
logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT, "Downloaded artifact: " + artifact.getArtifactName());
notificationPublisher.publishDownloadSuccess(client, data, artifact);
} else {
throw new DownloadFailureException(downloadResult.getDistributionMessageResult());
}
return downloadResult;
}
private List<Artifact> processDownloadedArtifacts(
IArtifactInfo artifactInfo, IDistributionClientDownloadResult downloadResult, INotificationData data)
throws ProcessToscaArtifactsException, InvalidArchiveException, BabelArtifactParsingException {
List<Artifact> artifacts = new ArrayList<>();
List<Artifact> querySpecArtifacts = new ArrayList<>();
if ("TOSCA_CSAR".equalsIgnoreCase(artifactInfo.getArtifactType())) {
artifacts = processToscaArtifacts(downloadResult.getArtifactPayload(), artifactInfo,
data.getDistributionID(), data.getServiceVersion());
} else if (ArtifactTypeEnum.MODEL_QUERY_SPEC.toString().equalsIgnoreCase(artifactInfo.getArtifactType())) {
querySpecArtifacts = processModelQuerySpecArtifact(downloadResult);
} else {
logger.info(ModelLoaderMsgs.UNSUPPORTED_ARTIFACT_TYPE, artifactInfo.getArtifactName(),
artifactInfo.getArtifactType());
throw new InvalidArchiveException("Unsupported artifact type: " + artifactInfo.getArtifactType());
}
return Stream
.concat(artifacts.stream(), querySpecArtifacts.stream())
.collect(Collectors.toList());
}
public List<Artifact> processToscaArtifacts(byte[] payload, IArtifactInfo artifactInfo, String distributionId, String serviceVersion)
throws ProcessToscaArtifactsException, InvalidArchiveException {
// Get translated artifacts from Babel Service
BabelRequest babelRequest = new BabelRequest();
babelRequest.setArtifactName(artifactInfo.getArtifactName());
babelRequest.setCsar(Base64.getEncoder().encodeToString(payload));
babelRequest.setArtifactVersion(serviceVersion);
List<Artifact> artifacts = babelArtifactService.invokeBabelService(babelRequest, distributionId);
// Get VNF Catalog artifacts directly from CSAR
List<Artifact> csarCatalogArtifacts = vnfCatalogExtractor.extract(payload, artifactInfo.getArtifactName());
// Throw an error if VNF Catalog data is present in the Babel payload and directly in the CSAR
if (isDuplicateVnfCatalogData(artifacts, csarCatalogArtifacts)) {
logger.error(ModelLoaderMsgs.DUPLICATE_VNFC_DATA_ERROR, artifactInfo.getArtifactName());
throw new InvalidArchiveException("CSAR: " + artifactInfo.getArtifactName()
+ " contains VNF Catalog data in the format of both TOSCA and XML files. Only one format can be used for each CSAR file.");
}
return Stream
.concat(artifacts.stream(), csarCatalogArtifacts.stream())
.collect(Collectors.toList());
}
private boolean isDuplicateVnfCatalogData(List<Artifact> babelArtifacts, List<Artifact> csarCatalogArtifacts) {
boolean babelIsEmpty = babelArtifacts.stream()
.filter(VnfCatalogArtifact.class::isInstance)
.findAny().isEmpty();
return !csarCatalogArtifacts.isEmpty() && !babelIsEmpty;
}
private List<Artifact> processModelQuerySpecArtifact(IDistributionClientDownloadResult downloadResult) throws BabelArtifactParsingException {
logger.debug(ModelLoaderMsgs.DISTRIBUTION_EVENT, "Processing named query artifact.");
IModelParser parser = new NamedQueryArtifactParser();
List<Artifact> parsedArtifacts =
parser.parse(new String(downloadResult.getArtifactPayload()), downloadResult.getArtifactFilename());
if (parsedArtifacts != null && !parsedArtifacts.isEmpty()) {
return parsedArtifacts;
} else {
throw new BabelArtifactParsingException(
"Could not parse generated XML: " + new String(downloadResult.getArtifactPayload()));
}
}
}
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