Java ContainerLaunchContext.setServiceData方法代码示例

import org.apache.hadoop.yarn.api.records.ContainerLaunchContext; //导入方法依赖的package包/类
public static ContainerLaunchContext newContainerLaunchContext(
    Map<String, LocalResource> localResources,
    Map<String, String> environment, List<String> commands,
    Map<String, ByteBuffer> serviceData, ByteBuffer tokens,
    Map<ApplicationAccessType, String> acls) {
  ContainerLaunchContext container = recordFactory
      .newRecordInstance(ContainerLaunchContext.class);
  container.setLocalResources(localResources);
  container.setEnvironment(environment);
  container.setCommands(commands);
  container.setServiceData(serviceData);
  container.setTokens(tokens);
  container.setApplicationACLs(acls);
  return container;
}
 

import org.apache.hadoop.yarn.api.records.ContainerLaunchContext; //导入方法依赖的package包/类
@Test
public void testStartContainerFailureWithUnknownAuxService() throws Exception {
  conf.setStrings(YarnConfiguration.NM_AUX_SERVICES,
      new String[] { "existService" });
  conf.setClass(
      String.format(YarnConfiguration.NM_AUX_SERVICE_FMT, "existService"),
      ServiceA.class, Service.class);
  containerManager.start();

  List<StartContainerRequest> startRequest =
      new ArrayList<StartContainerRequest>();

  ContainerLaunchContext containerLaunchContext =
      recordFactory.newRecordInstance(ContainerLaunchContext.class);
  Map<String, ByteBuffer> serviceData = new HashMap<String, ByteBuffer>();
  String serviceName = "non_exist_auxService";
  serviceData.put(serviceName, ByteBuffer.wrap(serviceName.getBytes()));
  containerLaunchContext.setServiceData(serviceData);

  ContainerId cId = createContainerId(0);
  String user = "start_container_fail";
  Token containerToken =
      createContainerToken(cId, DUMMY_RM_IDENTIFIER, context.getNodeId(),
          user, context.getContainerTokenSecretManager());
  StartContainerRequest request =
      StartContainerRequest.newInstance(containerLaunchContext,
          containerToken);

  // start containers
  startRequest.add(request);
  StartContainersRequest requestList =
      StartContainersRequest.newInstance(startRequest);

  StartContainersResponse response =
      containerManager.startContainers(requestList);
  Assert.assertTrue(response.getFailedRequests().size() == 1);
  Assert.assertTrue(response.getSuccessfullyStartedContainers().size() == 0);
  Assert.assertTrue(response.getFailedRequests().containsKey(cId));
  Assert.assertTrue(response.getFailedRequests().get(cId).getMessage()
      .contains("The auxService:" + serviceName + " does not exist"));
}
 

import org.apache.hadoop.yarn.api.records.ContainerLaunchContext; //导入方法依赖的package包/类
private void submitApp()
        throws YarnException, InterruptedException, IOException {
  // ask for new application
  GetNewApplicationRequest newAppRequest =
      Records.newRecord(GetNewApplicationRequest.class);
  GetNewApplicationResponse newAppResponse = 
      rm.getClientRMService().getNewApplication(newAppRequest);
  appId = newAppResponse.getApplicationId();
  
  // submit the application
  final SubmitApplicationRequest subAppRequest =
      Records.newRecord(SubmitApplicationRequest.class);
  ApplicationSubmissionContext appSubContext = 
      Records.newRecord(ApplicationSubmissionContext.class);
  appSubContext.setApplicationId(appId);
  appSubContext.setMaxAppAttempts(1);
  appSubContext.setQueue(queue);
  appSubContext.setPriority(Priority.newInstance(0));
  ContainerLaunchContext conLauContext = 
      Records.newRecord(ContainerLaunchContext.class);
  conLauContext.setApplicationACLs(
      new HashMap<ApplicationAccessType, String>());
  conLauContext.setCommands(new ArrayList<String>());
  conLauContext.setEnvironment(new HashMap<String, String>());
  conLauContext.setLocalResources(new HashMap<String, LocalResource>());
  conLauContext.setServiceData(new HashMap<String, ByteBuffer>());
  appSubContext.setAMContainerSpec(conLauContext);
  appSubContext.setUnmanagedAM(true);
  subAppRequest.setApplicationSubmissionContext(appSubContext);
  UserGroupInformation ugi = UserGroupInformation.createRemoteUser(user);
  ugi.doAs(new PrivilegedExceptionAction<Object>() {
    @Override
    public Object run() throws YarnException {
      rm.getClientRMService().submitApplication(subAppRequest);
      return null;
    }
  });
  LOG.info(MessageFormat.format("Submit a new application {0}", appId));
  
  // waiting until application ACCEPTED
  RMApp app = rm.getRMContext().getRMApps().get(appId);
  while(app.getState() != RMAppState.ACCEPTED) {
    Thread.sleep(10);
  }

  // Waiting until application attempt reach LAUNCHED
  // "Unmanaged AM must register after AM attempt reaches LAUNCHED state"
  this.appAttemptId = rm.getRMContext().getRMApps().get(appId)
      .getCurrentAppAttempt().getAppAttemptId();
  RMAppAttempt rmAppAttempt = rm.getRMContext().getRMApps().get(appId)
      .getCurrentAppAttempt();
  while (rmAppAttempt.getAppAttemptState() != RMAppAttemptState.LAUNCHED) {
    Thread.sleep(10);
  }
}