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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* =============================================================================
* 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.appc.sdc.artifacts.impl;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
import org.apache.commons.lang.StringUtils;
import org.onap.appc.srvcomm.messaging.event.EventSender;
import org.onap.appc.exceptions.APPCException;
import org.onap.appc.sdc.artifacts.helper.DependencyModelGenerator;
import org.onap.appc.sdc.artifacts.object.Resource;
import org.onap.appc.sdc.artifacts.object.SDCArtifact;
import org.onap.appc.sdc.artifacts.object.SDCReference;
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.notification.IResourceInstance;
import org.onap.sdc.api.results.IDistributionClientDownloadResult;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class ToscaCsarArtifactProcessor extends AbstractArtifactProcessor{
private final EELFLogger logger = EELFManager.getInstance().getLogger(ToscaCsarArtifactProcessor.class);
private DependencyModelGenerator dependencyModelGenerator;
public ToscaCsarArtifactProcessor(IDistributionClient client,
EventSender eventSender,
INotificationData notification,
IResourceInstance resource,
IArtifactInfo artifact,
URI storeUri){
super(client,eventSender,notification,resource,artifact,storeUri);
dependencyModelGenerator = new DependencyModelGenerator();
}
@Override
public void processArtifact(IDistributionClientDownloadResult download) throws APPCException {
logger.debug("processing artifact " + super.artifact.getArtifactType());
byte[] byteArray = download.getArtifactPayload();
String serviceFileName = "";
String serviceTemplateContent = "";
List<Resource> resources = null;
Map<String,String> csarFiles = new HashMap<>();
try (ZipInputStream inputStream = new ZipInputStream(new ByteArrayInputStream(byteArray))) {
ZipEntry entry = inputStream.getNextEntry();
logger.debug("First Entry = " +entry);
while(entry!= null){
String filename = entry.getName();
logger.debug("Next Entry = "+ filename);
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
String str = null;
StringBuilder sb = new StringBuilder();
while((str = bufferedReader.readLine()) != null){
sb.append(new String(str)).append(System.getProperty("line.separator"));
}
csarFiles.put(filename,sb.toString());
entry = inputStream.getNextEntry();
}
} catch (IOException e) {
logger.error("Error Reading TOSCA.meta from CSAR",e);
throw new APPCException(e);
}
serviceFileName = readServiceFileName(csarFiles.get("TOSCA-Metadata/TOSCA.meta"));
logger.debug("Service File Name = " + serviceFileName);
serviceTemplateContent = csarFiles.get(serviceFileName);
try {
resources = readResources (serviceTemplateContent);
} catch (Exception e) {
logger.error("Error reading resources from " + ", serviceFileName = " + serviceFileName
+ ", TOSCA Metadata = " + csarFiles.get("TOSCA-Metadata/TOSCA.meta"),e);
throw new APPCException(e);
}
for(Resource resource:resources){
String resourceTemplate = csarFiles.get("Definitions/resource-" + resource.getFileNameTag() + "-template.yml");
SDCArtifact artifact = this.getArtifactObject(resource,resourceTemplate);
processArtifact(artifact);
}
}
private String readServiceFileName(String toscaMetadata) {
toscaMetadata = toscaMetadata.substring(toscaMetadata.indexOf("Entry-Definitions"), toscaMetadata.indexOf(System.getProperty("line.separator"),toscaMetadata.indexOf("Entry-Definitions")));
toscaMetadata =toscaMetadata.split(":")[1].trim();
return toscaMetadata;
}
protected SDCArtifact getArtifactObject(Resource resource, String data){
SDCArtifact sdcArtifact = new SDCArtifact();
sdcArtifact.setArtifactUUID(this.artifact.getArtifactUUID());
sdcArtifact.setArtifactName(this.artifact.getArtifactName());
sdcArtifact.setArtifactType(this.artifact.getArtifactType());
sdcArtifact.setArtifactVersion(this.artifact.getArtifactVersion());
sdcArtifact.setArtifactDescription(this.artifact.getArtifactDescription());
sdcArtifact.setArtifactContent(data);
sdcArtifact.setCreationDate(super.getCurrentDateTime());
sdcArtifact.setDistributionId(this.notification.getDistributionID());
sdcArtifact.setServiceUUID(this.notification.getServiceUUID());
sdcArtifact.setServiceName(this.notification.getServiceName());
sdcArtifact.setServiceDescription(this.notification.getServiceDescription());
sdcArtifact.setResourceName(resource.getName());
sdcArtifact.setResourceType(resource.getType());
sdcArtifact.setResourceVersion(resource.getVersion());
sdcArtifact.setResourceUUID(resource.getUuid());
sdcArtifact.setResourceInstanceName(resource.getInstanceName());
return sdcArtifact;
}
private List<Resource> readResources(String serviceTemplateContent) throws IOException {
List<Resource> resources = new LinkedList<>();
ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
JsonNode root = mapper.readTree(serviceTemplateContent);
JsonNode topologyTemplate = root.get("topology_template");
JsonNode nodeTemplates = topologyTemplate.get("node_templates");
Iterator<Map.Entry<String, JsonNode>> itr = nodeTemplates.fields();
while(itr.hasNext()){
Map.Entry<String, JsonNode> entry = itr.next();
String instanceName = entry.getKey();
JsonNode nodeTemplate = entry.getValue();
String fileNameTag = nodeTemplate.get("type").asText();
logger.debug("Resource type in Service Template = " + fileNameTag);
fileNameTag = fileNameTag.substring(fileNameTag.lastIndexOf(".")+1,fileNameTag.length());
String version = nodeTemplate.get("metadata").get("version").asText();
String uuid = nodeTemplate.get("metadata").get("UUID").asText();
String name = nodeTemplate.get("metadata").get("name").asText();
String type = nodeTemplate.get("metadata").get("type").asText();
if(!"VF".equalsIgnoreCase(type)){
continue;
}
Resource resource = new Resource();
resource.setFileNameTag(fileNameTag);
resource.setVersion(version);
resource.setUuid(uuid);
resource.setInstanceName(instanceName);
resource.setName(name);
resource.setType(type);
resources.add(resource);
}
return resources;
}
@Override
protected void processArtifact(SDCArtifact artifact) throws APPCException {
String vnfType = artifact.getResourceName();
String version = artifact.getResourceVersion();
String packageArtifactID = artifact.getArtifactUUID();
if (StringUtils.isEmpty(vnfType) ||
StringUtils.isEmpty(version) ||
StringUtils.isEmpty(packageArtifactID)) {
String errStr = String.format("Missing information in SDC request. Details: resource_type='%s', resource_version='%s', artifactID='%s'", vnfType, version, packageArtifactID);
logger.error(errStr);
throw new APPCException(errStr);
}
try {
SDCReference reference = new SDCReference();
reference.setVnfType(vnfType);
reference.setFileCategory("tosca_model");
reference.setArtifactName(artifact.getArtifactName());
logger.debug("Storing TOSCA to SDC Artifact");
artifactStorageService.storeSDCArtifactWithReference(artifact,reference);
SDCArtifact dependencyArtifact = getDependencyArtifact(artifact);
SDCReference dependencyReference = new SDCReference();
dependencyReference.setVnfType(vnfType);
dependencyReference.setFileCategory("tosca_dependency_model");
dependencyReference.setArtifactName(dependencyArtifact.getArtifactName());
logger.debug("Storing Dependency to SDC Artifact");
artifactStorageService.storeSDCArtifactWithReference(dependencyArtifact,dependencyReference);
} catch (Exception e) {
logger.error("Error processing artifact : " + artifact.toString() );
throw new APPCException(e.getMessage(),e);
}
}
private SDCArtifact getDependencyArtifact(SDCArtifact toscaArtifact) throws APPCException {
SDCArtifact artifact = new SDCArtifact();
artifact.setArtifactName("dependency_"+toscaArtifact.getArtifactName());
String dependencyModel = dependencyModelGenerator.getDependencyModel(toscaArtifact.getArtifactContent(),toscaArtifact.getResourceName());
artifact.setArtifactContent(dependencyModel);
artifact.setArtifactType("DEPENDENCY_MODEL");
artifact.setArtifactUUID(toscaArtifact.getArtifactUUID());
artifact.setArtifactVersion(toscaArtifact.getArtifactVersion());
artifact.setArtifactDescription(toscaArtifact.getArtifactDescription());
artifact.setCreationDate(super.getCurrentDateTime());
artifact.setDistributionId(toscaArtifact.getDistributionId());
artifact.setServiceUUID(toscaArtifact.getServiceUUID());
artifact.setServiceName(toscaArtifact.getServiceName());
artifact.setServiceDescription(toscaArtifact.getServiceDescription());
artifact.setResourceName(toscaArtifact.getResourceName());
artifact.setResourceType(toscaArtifact.getResourceType());
artifact.setResourceVersion(toscaArtifact.getResourceVersion());
artifact.setResourceUUID(toscaArtifact.getResourceUUID());
artifact.setResourceInstanceName(toscaArtifact.getResourceInstanceName());
return artifact;
}
}
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