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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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package org.apache.airavata.gfac.handler;
import java.io.File;
import java.io.IOException;
import java.util.*;
import net.schmizz.sshj.xfer.scp.SCPFileTransfer;
import org.apache.airavata.common.utils.StringUtil;
import org.apache.airavata.commons.gfac.type.ActualParameter;
import org.apache.airavata.commons.gfac.type.MappingFactory;
import org.apache.airavata.gfac.GFacException;
import org.apache.airavata.gfac.context.JobExecutionContext;
import org.apache.airavata.gfac.context.MessageContext;
import org.apache.airavata.gfac.context.security.GSISecurityContext;
import org.apache.airavata.gfac.context.security.SSHSecurityContext;
import org.apache.airavata.gfac.provider.GFacProviderException;
import org.apache.airavata.gsi.ssh.api.Cluster;
import org.apache.airavata.gsi.ssh.api.SSHApiException;
import org.apache.airavata.schemas.gfac.ApplicationDeploymentDescriptionType;
import org.apache.airavata.schemas.gfac.URIArrayType;
import org.apache.airavata.schemas.gfac.URIParameterType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class SCPInputHandler implements GFacHandler {
private static final Logger log = LoggerFactory.getLogger(SCPInputHandler.class);
public void invoke(JobExecutionContext jobExecutionContext) throws GFacHandlerException, GFacException {
log.info("Invoking SCPInputHandler");
MessageContext inputNew = new MessageContext();
try {
MessageContext input = jobExecutionContext.getInMessageContext();
Set<String> parameters = input.getParameters().keySet();
for (String paramName : parameters) {
ActualParameter actualParameter = (ActualParameter) input.getParameters().get(paramName);
String paramValue = MappingFactory.toString(actualParameter);
//TODO: Review this with type
if ("URI".equals(actualParameter.getType().getType().toString())) {
((URIParameterType) actualParameter.getType()).setValue(stageInputFiles(jobExecutionContext, paramValue));
} else if ("URIArray".equals(actualParameter.getType().getType().toString())) {
List<String> split = Arrays.asList(StringUtil.getElementsFromString(paramValue));
List<String> newFiles = new ArrayList<String>();
for (String paramValueEach : split) {
newFiles.add(stageInputFiles(jobExecutionContext, paramValueEach));
}
((URIArrayType) actualParameter.getType()).setValueArray(newFiles.toArray(new String[newFiles.size()]));
}
inputNew.getParameters().put(paramName, actualParameter);
}
} catch (Exception e) {
log.error(e.getMessage());
throw new GFacHandlerException("Error while input File Staging", e, e.getLocalizedMessage());
}
jobExecutionContext.setInMessageContext(inputNew);
}
private static String stageInputFiles(JobExecutionContext jobExecutionContext, String paramValue) throws IOException, GFacException {
Cluster cluster = null;
if (jobExecutionContext.getSecurityContext(GSISecurityContext.GSI_SECURITY_CONTEXT) != null) {
cluster = ((GSISecurityContext) jobExecutionContext.getSecurityContext(GSISecurityContext.GSI_SECURITY_CONTEXT)).getPbsCluster();
} else {
cluster = ((SSHSecurityContext) jobExecutionContext.getSecurityContext(SSHSecurityContext.SSH_SECURITY_CONTEXT)).getPbsCluster();
}
if (cluster == null) {
throw new GFacException("Security context is not set properly");
} else {
log.info("Successfully retrieved the Security Context");
}
ApplicationDeploymentDescriptionType app = jobExecutionContext.getApplicationContext().getApplicationDeploymentDescription().getType();
int i = paramValue.lastIndexOf(File.separator);
String substring = paramValue.substring(i + 1);
try {
String targetFile = app.getInputDataDirectory() + File.separator + substring;
if(paramValue.startsWith("file")){
paramValue = paramValue.substring(paramValue.indexOf(":") + 1, paramValue.length());
}
cluster.scpTo(targetFile, paramValue);
return targetFile;
} catch (SSHApiException e) {
throw new GFacHandlerException("Error while input File Staging", e, e.getLocalizedMessage());
}
}
public void initProperties(Map<String, String> properties) throws GFacHandlerException, GFacException {
}
}