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package eu.dnetlib.msro.workflows.hadoop;
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import java.util.List;
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import javax.annotation.Resource;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import com.google.common.collect.Iterables;
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import com.googlecode.sarasvati.NodeToken;
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import eu.dnetlib.data.hadoop.rmi.HadoopBlackboardActions;
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import eu.dnetlib.data.hadoop.rmi.HadoopJobType;
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import eu.dnetlib.data.hadoop.rmi.HadoopService;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
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import eu.dnetlib.enabling.locators.UniqueServiceLocator;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardJob;
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import eu.dnetlib.msro.workflows.nodes.BlackboardJobNode;
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public class SubmitHadoopJobNode extends BlackboardJobNode {
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/**
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* logger.
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*/
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private static final Log log = LogFactory.getLog(SubmitHadoopJobNode.class);
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@Resource
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private UniqueServiceLocator serviceLocator;
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private String hadoopJob;
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private String cluster;
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private boolean simulation = false;
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@Override
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protected String obtainServiceId(final NodeToken token) {
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return getServiceLocator().getServiceId(HadoopService.class);
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}
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@Override
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protected void prepareJob(final BlackboardJob job, final NodeToken token) throws Exception {
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String type = getJobType(getHadoopJob());
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log.info("submitting job " + getHadoopJob() + " type: " + type);
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job.setAction(type);
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job.getParameters().put("job.name", getHadoopJob());
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job.getParameters().put("cluster", cluster(token));
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job.getParameters().put("simulation", String.valueOf(isSimulation()));
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job.getParameters().putAll(parseJsonParameters(token));
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}
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private String cluster(final NodeToken token) {
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if (token.getEnv().hasAttribute("cluster")) {
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String cluster = token.getEnv().getAttribute("cluster");
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log.info("found override value in wfEnv for 'cluster' param: " + cluster);
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return cluster;
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}
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return getCluster();
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}
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/**
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* reads the job type for the given job name
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*
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* @param jobName
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* @return
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* @throws ISLookUpException
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*/
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private String getJobType(final String jobName) throws ISLookUpException {
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List<String> res =
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serviceLocator.getService(ISLookUpService.class).quickSearchProfile(
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"/RESOURCE_PROFILE[.//RESOURCE_TYPE/@value = 'HadoopJobConfigurationDSResourceType']//HADOOP_JOB[./@name='" + jobName
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+ "']/@type/string()");
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if (res.isEmpty()) { throw new IllegalStateException("unable to find job type for job: " + jobName); }
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final HadoopJobType type = HadoopJobType.valueOf(Iterables.getOnlyElement(res));
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switch (type) {
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case mapreduce:
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return HadoopBlackboardActions.SUBMIT_MAPREDUCE_JOB.toString();
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case admin:
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return HadoopBlackboardActions.SUBMIT_ADMIN_JOB.toString();
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case oozie:
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return HadoopBlackboardActions.SUBMIT_OOZIE_JOB.toString();
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default:
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throw new IllegalStateException("undefined job type: " + type.toString());
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}
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}
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public String getHadoopJob() {
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return hadoopJob;
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}
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public void setHadoopJob(final String hadoopJob) {
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this.hadoopJob = hadoopJob;
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}
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public String getCluster() {
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return cluster;
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}
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public void setCluster(final String cluster) {
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this.cluster = cluster;
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}
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public boolean isSimulation() {
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return simulation;
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}
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public void setSimulation(final boolean simulation) {
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this.simulation = simulation;
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}
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}
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