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package eu.dnetlib.data.hadoop.action;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Properties;
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import java.util.Set;
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import com.google.common.base.Splitter;
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import com.google.common.collect.Sets;
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import org.apache.commons.lang.StringUtils;
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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 org.apache.hadoop.conf.Configuration;
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import org.apache.oozie.client.OozieClient;
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import org.apache.oozie.client.OozieClientException;
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import eu.dnetlib.data.hadoop.HadoopJob;
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import eu.dnetlib.data.hadoop.config.ClusterName;
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import eu.dnetlib.data.hadoop.oozie.OozieJobMonitor;
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import eu.dnetlib.data.hadoop.rmi.HadoopServiceException;
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import eu.dnetlib.data.hadoop.utils.JobProfile;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardJob;
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public class SubmitOozieJobAction extends AbstractSubmitAction {
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private static final Log log = LogFactory.getLog(SubmitOozieJobAction.class); // NOPMD by marko on 11/24/08 5:02 PM
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public static final String OOZIE_REPORT_ACTIONS = "oozie.report.actions.csv";
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@Override
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public void submit(final JobCompletion callback, final BlackboardJob bbJob, final String jobName, final JobProfile jobProfile)
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throws HadoopServiceException {
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final ClusterName clusterName = ClusterName.valueOf(bbJob.getParameters().get("cluster"));
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try {
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final Properties jobConf = prepareJob(getConf(clusterName), jobName, jobProfile, bbJob.getParameters());
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log.debug("oozie job configuration:\n" + jobConf);
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if (!hadoopClientMap.isOozieAvailable(clusterName)) throw new HadoopServiceException("oozie not available for cluster: " + clusterName.toString());
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logJobDetails(jobConf);
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final OozieClient oozieClient = hadoopClientMap.getOozieClient(clusterName);
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final String internalId = oozieClient.run(jobConf);
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final String jobId = newJobId(clusterName, internalId);
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jobRegistry.registerJob(HadoopJob.newInstance(jobId, clusterName, jobProfile,
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new OozieJobMonitor(oozieClient, internalId, callback, getWorkflowActions(bbJob))));
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} catch (final OozieClientException e) {
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throw new HadoopServiceException("error executing hadoop job: " + jobName, e);
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}
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}
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/**
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* Extracts from the blackboard job params the oozie action names as csv and returns them as a set.
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* @param bbJob
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* @return
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*/
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private Set<String> getWorkflowActions(final BlackboardJob bbJob) {
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final String actions = bbJob.getParameters().get(OOZIE_REPORT_ACTIONS);
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if (StringUtils.isNotBlank(actions)) {
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return Sets.newHashSet(Splitter.on(",").split(actions));
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}
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return Sets.newHashSet();
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}
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private Properties prepareJob(final Configuration configuration, final String jobName, final JobProfile jobProfile, final Map<String, String> parameters) {
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log.info("creating job: " + jobName);
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final Properties p = new Properties();
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merge(p, configuration);
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merge(p, jobProfile.getJobDefinition().entrySet());
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merge(p, parameters.entrySet());
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return p;
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}
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private void merge(final Properties p, final Iterable<Entry<String, String>> entrySet) {
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for (final Entry<String, String> e : entrySet) {
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p.setProperty(e.getKey(), e.getValue());
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}
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}
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protected void logJobDetails(final Properties jobConf) {
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for (final Entry<?, ?> e : jobConf.entrySet()) {
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if (log.isDebugEnabled()) {
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log.debug("\n" + e.getKey().toString() + " : " + e.getValue().toString());
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}
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}
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}
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}
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