Examples with SchedulerAppReport org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerAppReport used on opensource projects

Example 11 with SchedulerAppReport

use of org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerAppReport in project hadoop by apache.

the class ClientRMService method getContainers.

/*
   * (non-Javadoc)
   * 
   * we're going to fix the issue of showing non-running containers of the
   * running application in YARN-1794"
   */
@Override
public GetContainersResponse getContainers(GetContainersRequest request) throws YarnException, IOException {
    ApplicationAttemptId appAttemptId = request.getApplicationAttemptId();
    ApplicationId appId = appAttemptId.getApplicationId();
    UserGroupInformation callerUGI;
    try {
        callerUGI = UserGroupInformation.getCurrentUser();
    } catch (IOException ie) {
        LOG.info("Error getting UGI ", ie);
        throw RPCUtil.getRemoteException(ie);
    }
    RMApp application = this.rmContext.getRMApps().get(appId);
    if (application == null) {
        // ApplicationNotFoundException and let client to handle.
        throw new ApplicationNotFoundException("Application with id '" + appId + "' doesn't exist in RM. Please check that the job submission " + "was successful.");
    }
    boolean allowAccess = checkAccess(callerUGI, application.getUser(), ApplicationAccessType.VIEW_APP, application);
    GetContainersResponse response = null;
    if (allowAccess) {
        RMAppAttempt appAttempt = application.getAppAttempts().get(appAttemptId);
        if (appAttempt == null) {
            throw new ApplicationAttemptNotFoundException("ApplicationAttempt with id '" + appAttemptId + "' doesn't exist in RM.");
        }
        Collection<RMContainer> rmContainers = Collections.emptyList();
        SchedulerAppReport schedulerAppReport = this.rmContext.getScheduler().getSchedulerAppInfo(appAttemptId);
        if (schedulerAppReport != null) {
            rmContainers = schedulerAppReport.getLiveContainers();
        }
        List<ContainerReport> listContainers = new ArrayList<ContainerReport>();
        for (RMContainer rmContainer : rmContainers) {
            listContainers.add(rmContainer.createContainerReport());
        }
        response = GetContainersResponse.newInstance(listContainers);
    } else {
        throw new YarnException("User " + callerUGI.getShortUserName() + " does not have privilege to see this application " + appId);
    }
    return response;
}