}
@Override
public SubmitApplicationResponse submitApplication(
SubmitApplicationRequest request) throws YarnException {
ApplicationSubmissionContext submissionContext = request
.getApplicationSubmissionContext();
ApplicationId applicationId = submissionContext.getApplicationId();
// ApplicationSubmissionContext needs to be validated for safety - only
// those fields that are independent of the RM's configuration will be
// checked here, those that are dependent on RM configuration are validated
// in RMAppManager.
String user = null;
try {
// Safety
user = UserGroupInformation.getCurrentUser().getShortUserName();
} catch (IOException ie) {
LOG.warn("Unable to get the current user.", ie);
RMAuditLogger.logFailure(user, AuditConstants.SUBMIT_APP_REQUEST,
ie.getMessage(), "ClientRMService",
"Exception in submitting application", applicationId);
throw RPCUtil.getRemoteException(ie);
}
// Check whether app has already been put into rmContext,
// If it is, simply return the response
if (rmContext.getRMApps().get(applicationId) != null) {
LOG.info("This is an earlier submitted application: " + applicationId);
return SubmitApplicationResponse.newInstance();
}
if (submissionContext.getQueue() == null) {
submissionContext.setQueue(YarnConfiguration.DEFAULT_QUEUE_NAME);
}
if (submissionContext.getApplicationName() == null) {
submissionContext.setApplicationName(
YarnConfiguration.DEFAULT_APPLICATION_NAME);
}
if (submissionContext.getApplicationType() == null) {
submissionContext
.setApplicationType(YarnConfiguration.DEFAULT_APPLICATION_TYPE);
} else {
if (submissionContext.getApplicationType().length() > YarnConfiguration.APPLICATION_TYPE_LENGTH) {
submissionContext.setApplicationType(submissionContext
.getApplicationType().substring(0,
YarnConfiguration.APPLICATION_TYPE_LENGTH));
}
}