Examples of org.apache.hadoop.yarn.api.ContainerManager.startContainer()

Class org.apache.hadoop.yarn.api.ContainerManager

Examples of org.apache.hadoop.yarn.api.ContainerManager.startContainer()

org.apache.hadoop.yarn.api.ContainerManager.startContainer()

The ApplicationMaster requests a NodeManager to start a {@link Container} allocated to it using this interface.

The ApplicationMaster has to provide details such as allocated resource capability, security tokens (if enabled), command to be executed to start the container, environment for the process, necessary binaries/jar/shared-objects etc. via the {@link ContainerLaunchContext} in the {@link StartContainerRequest}.

Currently the NodeManager sends an immediate, empty response via {@link StartContainerResponse} to signify acceptance of therequest and throws an exception in case of errors. The ApplicationMaster can use {@link #getContainerStatus(GetContainerStatusRequest)} to get updated status of the to-be-launched or launched container.
@param request request to start a container @return empty response to indicate acceptance of the request or an exception @throws YarnRemoteException

        .thenReturn(EventType.CONTAINER_REMOTE_LAUNCH);
      when(mockLaunchEvent.getContainerID())
        .thenReturn(contId);
      when(mockLaunchEvent.getTaskAttemptID()).thenReturn(taskAttemptId);
      when(mockLaunchEvent.getContainerMgrAddress()).thenReturn(cmAddress);
      when(mockCM.startContainer(any(StartContainerRequest.class))).thenReturn(startResp);
      ut.handle(mockLaunchEvent);
      
      ut.waitForPoolToIdle();
      
      verify(mockCM).startContainer(any(StartContainerRequest.class));

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        .thenReturn(EventType.CONTAINER_REMOTE_LAUNCH);
      when(mockLaunchEvent.getContainerID())
        .thenReturn(contId);
      when(mockLaunchEvent.getTaskAttemptID()).thenReturn(taskAttemptId);
      when(mockLaunchEvent.getContainerMgrAddress()).thenReturn(cmAddress);
      when(mockCM.startContainer(any(StartContainerRequest.class))).thenReturn(startResp);
      ut.handle(mockLaunchEvent);
      
      ut.waitForPoolToIdle();
      
      verify(mockCM, never()).startContainer(any(StartContainerRequest.class));

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        // Now launch the actual container
        StartContainerRequest startRequest = Records
          .newRecord(StartContainerRequest.class);
        startRequest.setContainerLaunchContext(containerLaunchContext);
        StartContainerResponse response = proxy.startContainer(startRequest);


        ByteBuffer portInfo = response
          .getServiceResponse(ShuffleHandler.MAPREDUCE_SHUFFLE_SERVICEID);
        int port = -1;
        if(portInfo != null) {

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        StartContainerRequest request = Records.newRecord(StartContainerRequest.class);
        request.setContainerLaunchContext(context);


        //Calling startContainer with an expired token.
        try {
          client.startContainer(request);
          fail("Connection initiation with expired "
              + "token is expected to fail.");
        } catch (Throwable t) {
          LOG.info("Got exception : ", t);
          Assert.assertTrue(t.getMessage().contains(

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//    containerLaunchContext.command = new ArrayList<CharSequence>();
    
    StartContainerRequest scRequest = 
        recordFactory.newRecordInstance(StartContainerRequest.class);
    scRequest.setContainerLaunchContext(containerLaunchContext);
    proxy.startContainer(scRequest);
    
    GetContainerStatusRequest gcsRequest = 
        recordFactory.newRecordInstance(GetContainerStatusRequest.class);
    gcsRequest.setContainerId(containerLaunchContext.getContainerId());
    GetContainerStatusResponse response =  proxy.getContainerStatus(gcsRequest);

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      StartContainerRequest scRequest = recordFactory
          .newRecordInstance(StartContainerRequest.class);
      scRequest.setContainerLaunchContext(containerLaunchContext);
      try {
        proxy.startContainer(scRequest);
      } catch (Exception e) {
        LOG.info(StringUtils.stringifyException(e));
        Assert.assertTrue("Error, exception does not contain: "
            + EXCEPTION_CAUSE,
            e.getCause().getMessage().contains(EXCEPTION_CAUSE));

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        // Now launch the actual container
        StartContainerRequest startRequest = Records
          .newRecord(StartContainerRequest.class);
        startRequest.setContainerLaunchContext(containerLaunchContext);
        StartContainerResponse response = proxy.startContainer(startRequest);


        ByteBuffer portInfo = response
          .getServiceResponse(ShuffleHandler.MAPREDUCE_SHUFFLE_SERVICEID);
        int port = -1;
        if(portInfo != null) {

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    StartContainerRequest startRequest = Records.newRecord(StartContainerRequest.class);
    startRequest.setContainerLaunchContext(context);


    ContainerManager manager = connectContainerManager(container);
    try {
      manager.startContainer(startRequest);
      return new ContainerTerminator(container, manager);
    } catch (YarnRemoteException e) {
      LOG.error("Error in launching process", e);
      throw Throwables.propagate(e);
    }

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          // Now launch the actual container
          StartContainerRequest startRequest = recordFactory
              .newRecordInstance(StartContainerRequest.class);
          startRequest.setContainerLaunchContext(containerLaunchContext);
          StartContainerResponse response = proxy.startContainer(startRequest);


          // container started properly. Stop the timer
          timer.cancel();
          if (Thread.currentThread().isInterrupted()) {
            // The timer cancelled the command in the mean while, but

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        .thenReturn(EventType.CONTAINER_REMOTE_LAUNCH);
      when(mockLaunchEvent.getContainerID())
        .thenReturn(contId);
      when(mockLaunchEvent.getTaskAttemptID()).thenReturn(taskAttemptId);
      when(mockLaunchEvent.getContainerMgrAddress()).thenReturn(cmAddress);
      when(mockCM.startContainer(any(StartContainerRequest.class))).thenReturn(startResp);
      ut.handle(mockLaunchEvent);
      
      ut.waitForPoolToIdle();
      
      verify(mockCM).startContainer(any(StartContainerRequest.class));

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