Example usage for org.apache.hadoop.yarn.api.records YarnApplicationAttemptState RUNNING

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In this page you can find the example usage for org.apache.hadoop.yarn.api.records YarnApplicationAttemptState RUNNING.

Prototype

YarnApplicationAttemptState RUNNING

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Document

AppAttempt is currently running.

Usage

From source file:io.hops.hopsworks.common.admin.llap.LlapClusterFacade.java

License:Open Source License

public List<String> getLlapHosts() {
    ArrayList<String> hosts = new ArrayList<>();

    if (!isClusterUp() || isClusterStarting()) {
        return hosts;
    }//from   ww w. ja v a 2s.  c  om

    // The cluster is app, so the appId exists
    String llapAppID = variablesFacade.getVariableValue(Settings.VARIABLE_LLAP_APP_ID);

    ApplicationId appId = ApplicationId.fromString(llapAppID);
    YarnClient yarnClient = yarnClientService.getYarnClientSuper(settings.getConfiguration()).getYarnClient();
    try {
        List<ApplicationAttemptReport> attempts = yarnClient.getApplicationAttempts(appId);
        ApplicationAttemptReport current = null;
        for (ApplicationAttemptReport attempt : attempts) {
            // Only if the app is running the metrics are available
            if (attempt.getYarnApplicationAttemptState() == YarnApplicationAttemptState.RUNNING) {
                current = attempt;
                break;
            }
        }

        if (current == null) {
            return hosts;
        }

        List<ContainerReport> containerReports = yarnClient.getContainers(current.getApplicationAttemptId());

        // For all the new/running containers, which are not the application master, get the host
        for (ContainerReport containerReport : containerReports) {
            // Only if the container is running the metrics are available
            if (containerReport.getContainerState() == ContainerState.RUNNING
                    && !containerReport.getContainerId().equals(current.getAMContainerId())) {
                hosts.add(containerReport.getAssignedNode().getHost());
            }
        }

    } catch (IOException | YarnException ex) {
        logger.log(Level.SEVERE, "Couldn't retrieve the containers for LLAP cluster", ex);
    } finally {
        try {
            yarnClient.close();
        } catch (IOException ex) {
        }
    }

    return hosts;
}

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From source file:org.apache.samza.validation.TestYarnJobValidationTool.java

License:Apache License

@Test
public void testValidateRunningAttemptId() throws Exception {
    ApplicationReport appReport = mock(ApplicationReport.class);
    when(client.getApplicationReport(appId)).thenReturn(appReport);
    when(appReport.getCurrentApplicationAttemptId()).thenReturn(attemptId);
    ApplicationAttemptReport attemptReport = mock(ApplicationAttemptReport.class);
    when(attemptReport.getYarnApplicationAttemptState()).thenReturn(YarnApplicationAttemptState.RUNNING);
    when(attemptReport.getApplicationAttemptId()).thenReturn(attemptId);
    when(client.getApplicationAttemptReport(attemptId)).thenReturn(attemptReport);
    assertTrue(tool.validateRunningAttemptId(appId).equals(attemptId));

    when(attemptReport.getYarnApplicationAttemptState()).thenReturn(YarnApplicationAttemptState.FAILED);
    exception.expect(SamzaException.class);
    tool.validateRunningAttemptId(appId);
}

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From source file:org.apache.samza.validation.YarnJobValidationTool.java

License:Apache License

public ApplicationAttemptId validateRunningAttemptId(ApplicationId appId) throws Exception {
    ApplicationAttemptId attemptId = this.client.getApplicationReport(appId).getCurrentApplicationAttemptId();
    ApplicationAttemptReport attemptReport = this.client.getApplicationAttemptReport(attemptId);
    if (attemptReport.getYarnApplicationAttemptState() == YarnApplicationAttemptState.RUNNING) {
        log.info("Job is running. AttempId " + attemptId.toString());
        return attemptId;
    } else {/*w  w w.  j  a v a2  s .co  m*/
        throw new SamzaException("Job not running " + this.jobName);
    }
}

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