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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright (c) 2017-2019 AT&T Intellectual Property. All rights reserved.
* Copyright (c) 2017-2019 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.babel.xml.generator;
import java.util.Base64;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import org.onap.aai.babel.logging.ApplicationMsgs;
import org.onap.aai.babel.logging.LogHelper;
import org.onap.aai.babel.service.data.BabelArtifact;
import org.onap.aai.babel.service.data.BabelArtifact.ArtifactType;
import org.onap.aai.babel.xml.generator.api.AaiArtifactGenerator;
import org.onap.aai.babel.xml.generator.data.AdditionalParams;
import org.onap.aai.babel.xml.generator.data.Artifact;
import org.onap.aai.babel.xml.generator.data.GenerationData;
import org.onap.aai.babel.xml.generator.data.GeneratorUtil;
import org.onap.aai.babel.xml.generator.data.GroupType;
import javax.ws.rs.core.Response;
/**
* This class is responsible for generating XML model artifacts from a collection of CSAR artifacts.
*/
public class ModelGenerator implements ArtifactGenerator {
private static final LogHelper logger = LogHelper.INSTANCE;
private static final String DEFAULT_SERVICE_VERSION = "1.0";
/**
* Invokes the TOSCA artifact generator API with the input artifacts.
*
* @param csarArchive
* @param csarArtifacts
* the input artifacts
* @return {@link List} of output artifacts
* @throws XmlArtifactGenerationException
* if there is an error trying to generate XML artifacts
*/
@Override
public List<BabelArtifact> generateArtifacts(byte[] csarArchive, List<Artifact> csarArtifacts)
throws XmlArtifactGenerationException {
logger.info(ApplicationMsgs.DISTRIBUTION_EVENT,
"Generating XML for " + csarArtifacts.size() + " CSAR artifacts.");
// Get the service version to pass into the generator
String toscaVersion = csarArtifacts.get(0).getVersion();
String serviceVersion = getServiceVersion(toscaVersion);
logger.debug("The service version is " + serviceVersion);
Map<String, String> additionalParams = new HashMap<>();
additionalParams.put(AdditionalParams.SERVICE_VERSION.getName(), serviceVersion);
// Call ArtifactGenerator API
logger.debug("Obtaining instance of ArtifactGenerationService");
org.onap.aai.babel.xml.generator.api.ArtifactGenerator generator = new AaiArtifactGenerator();
logger.debug("About to call generationService.generateArtifact()");
GenerationData data = generator.generateArtifact(csarArchive, csarArtifacts, additionalParams);
logger.debug("Call generationService.generateArtifact() has finished");
// Convert results into BabelArtifacts
if (data.getErrorData().isEmpty()) {
return data.getResultData().stream().map(a -> new BabelArtifact(a.getName(), ArtifactType.MODEL,
new String(Base64.getDecoder().decode(a.getPayload())))).collect(Collectors.toList());
} else {
throw new XmlArtifactGenerationException(
"Error occurred during artifact generation: " + data.getErrorData().toString());
}
}
/**
* Creates an instance of an input artifact for the generator.
*
* @param payload
* the payload downloaded from SDC
* @param artifactName
* name of the artifact to create
* @param artifactVersion
* version of the artifact to create
* @return an {@link Artifact} object constructed from the payload and artifactInfo
*/
public static Artifact createArtifact(byte[] payload, String artifactName, String artifactVersion) {
logger.info(ApplicationMsgs.DISTRIBUTION_EVENT, "Creating artifact for: " + artifactName);
// Convert payload into an input Artifact
String checksum = GeneratorUtil.checkSum(payload);
byte[] encodedPayload = GeneratorUtil.encode(payload);
Artifact artifact = new Artifact("TOSCA", GroupType.DEPLOYMENT.name(), checksum, encodedPayload);
artifact.setName(artifactName);
artifact.setLabel(artifactName);
artifact.setDescription(artifactName);
artifact.setVersion(artifactVersion);
return artifact;
}
private static String getServiceVersion(String artifactVersion) {
logger.debug("Artifact version=" + artifactVersion);
try {
return String.valueOf(Float.parseFloat(artifactVersion));
} catch (Exception e) {
logger.setContextValue(LogHelper.MdcParameter.RESPONSE_CODE, String.valueOf(Response.Status.BAD_REQUEST.getStatusCode()));
logger.setContextValue(LogHelper.MdcParameter.RESPONSE_DESCRIPTION, "Invalid Artifact version");
logger.warn(ApplicationMsgs.DISTRIBUTION_EVENT,
"Error generating service version from artifact version: " + artifactVersion
+ ". Using default service version of: " + DEFAULT_SERVICE_VERSION + ". Error details: "
+ e);
return DEFAULT_SERVICE_VERSION;
}
}
}
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