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package eu.dnetlib.data.hadoop.action;
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claudio.at
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import java.net.URI;
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import java.util.List;
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import java.util.Map;
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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.fs.Path;
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import org.springframework.beans.factory.annotation.Autowired;
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import com.google.common.collect.Iterables;
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import com.google.common.collect.Sets;
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import eu.dnetlib.data.hadoop.HadoopClientMap;
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import eu.dnetlib.data.hadoop.JobRegistry;
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import eu.dnetlib.data.hadoop.config.ClusterName;
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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.is.lookup.rmi.ISLookUpException;
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andrea.man
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
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import eu.dnetlib.enabling.is.registry.rmi.ISRegistryException;
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import eu.dnetlib.enabling.is.registry.rmi.ISRegistryService;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardJob;
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import eu.dnetlib.enabling.tools.blackboard.BlackboardServerHandler;
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import eu.dnetlib.miscutils.datetime.DateUtils;
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import eu.dnetlib.miscutils.functional.hash.Hashing;
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public abstract class AbstractSubmitAction extends AbstractHadoopAction {
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private static final Log log = LogFactory.getLog(AbstractSubmitAction.class); // NOPMD by marko on 11/24/08 5:02 PM
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@Autowired
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protected HadoopClientMap hadoopClientMap;
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@Autowired
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protected JobRegistry jobRegistry;
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protected abstract void submit(final JobCompletion callback, final BlackboardJob job, final String jobName, final JobProfile jobProfile)
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throws HadoopServiceException;
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@Override
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protected void executeAsync(final BlackboardServerHandler handler, final BlackboardJob job) throws HadoopServiceException {
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final String jobName = job.getParameters().get("job.name");
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final JobProfile jobProfile = loadISJobConfiguration(jobName, job.getParameters());
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validateJobParams(handler, job, jobName, jobProfile);
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if (!isSimulation(job)) {
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submit(newCompletionCallback(handler, job), job, jobName, jobProfile);
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updateJobStatus(jobName);
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} else {
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log.info(String.format("simulating job: '%s', done!", jobName));
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handler.done(job);
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}
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}
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private boolean isSimulation(final BlackboardJob job) {
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if (!job.getParameters().containsKey("simulation")) { return false; }
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final String sim = job.getParameters().get("simulation");
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return !StringUtils.isBlank(sim) && sim.equals("true");
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}
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protected void updateJobStatus(final String jobName) {
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incrementCumulativeRun(jobName);
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incrementRunningJobs(jobName);
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updateDate(jobName);
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}
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protected void incrementRunningJobs(final String jobName) {
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log.debug("increment #running jobs: " + jobName);
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updateCountElement(jobName, "RUNNING_INSTANCES", "+ 1");
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}
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protected void decrementRunningJobs(final String jobName) {
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log.debug("decrement #running jobs: " + jobName);
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updateCountElement(jobName, "RUNNING_INSTANCES", "- 1");
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}
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protected void incrementCumulativeRun(final String jobName) {
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log.debug("increment #cumulative runs for job: " + jobName);
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updateCountElement(jobName, "CUMULATIVE_RUN", "+ 1");
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}
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protected void updateDate(final String jobName) {
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log.info("increment last submission date for job: " + jobName);
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final String xquery =
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"for $x in collection('')/RESOURCE_PROFILE[" + ".//RESOURCE_TYPE/@value='HadoopJobConfigurationDSResourceType' and .//HADOOP_JOB/@name='"
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+ jobName + "'] " + " return update value $x//LAST_SUBMISSION_DATE/@value with '" + DateUtils.now_ISO8601() + "' ";
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executeXUpdate(xquery);
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}
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private void updateCountElement(final String jobName, final String element, final String delta) {
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final String xquery =
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"let $x := //RESOURCE_PROFILE[" + ".//RESOURCE_TYPE/@value='HadoopJobConfigurationDSResourceType' and .//HADOOP_JOB/@name='" + jobName
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+ "'], $tot := $x//STATUS/" + element + "/@value/number() " + delta + " return update replace $x//STATUS/" + element + " with <"
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+ element + " value='{$tot}' />";
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executeXUpdate(xquery);
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}
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protected String newJobId(final ClusterName clusterName, final Object internalId) {
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return "job-" + Hashing.md5(clusterName.toString() + internalId.toString());
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}
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protected String getDefaultLibPath(final String defaultFs) throws HadoopServiceException {
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try {
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final String libPath = queryForServiceProperty("defaultLibPath");
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final Path path = new Path(URI.create(defaultFs + libPath));
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return path.toString();
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} catch (ISLookUpException e) {
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throw new HadoopServiceException("unable to get default lib path", e);
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}
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}
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protected void validateJobParams(final BlackboardServerHandler handler, final BlackboardJob bbJob, final String jobName, final JobProfile jobProfile)
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throws HadoopServiceException {
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if (!bbJob.getParameters().keySet().containsAll(jobProfile.getRequiredParams())) {
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String msg =
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"required parameter is missing for job: " + jobName + ", required params: " + jobProfile.getRequiredParams() + "\n\nmissing params: "
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+ Sets.difference(jobProfile.getRequiredParams(), bbJob.getParameters().keySet());
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log.error(msg);
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HadoopServiceException e = new HadoopServiceException(msg);
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handler.failed(bbJob, e);
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throw e;
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}
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}
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protected JobCompletion newCompletionCallback(final BlackboardServerHandler handler, final BlackboardJob bbJob) {
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final String jobName = bbJob.getParameters().get("job.name");
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return new JobCompletion() {
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@Override
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public void done(final Map<String, String> report) {
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bbJob.getParameters().putAll(report);
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log.info(String.format("%s completed successfully, returning %s output params", jobName, report.size()));
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handler.done(bbJob);
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decrementRunningJobs(jobName);
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}
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@Override
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public void failed(final Map<String, String> report, final String msg, final Throwable e) {
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bbJob.getParameters().putAll(report);
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log.error(String.format("%s failed, returning %s output params", jobName, report.size()));
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handler.failed(bbJob, e);
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decrementRunningJobs(jobName);
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}
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};
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}
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private String queryForServiceProperty(final String key) throws ISLookUpException {
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return getServiceConfigValue("for $x in /RESOURCE_PROFILE[.//RESOURCE_TYPE/@value='HadoopServiceResourceType'] return $x//SERVICE_PROPERTIES/PROPERTY[./@ key='"
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+ key + "']/@value/string()");
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}
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private String getServiceConfigValue(final String xquery) throws ISLookUpException {
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log.debug("quering for service property: " + xquery);
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final List<String> urls = serviceLocator.getService(ISLookUpService.class).quickSearchProfile(xquery);
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if (urls == null || urls.size() != 1) { throw new IllegalStateException("unable to find unique service property, xquery: " + xquery); }
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return Iterables.getOnlyElement(urls);
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}
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private boolean executeXUpdate(final String xupdate) {
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try {
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log.debug("running xupdate: " + xupdate);
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return serviceLocator.getService(ISRegistryService.class).executeXUpdate(xupdate);
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} catch (ISRegistryException e) {
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log.error("unable to run xupdate: " + xupdate, e);
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return false;
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}
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}
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}
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