Java Code Examples for org.apache.hadoop.yarn.api.records.ContainerLaunchContext#getLocalResources()

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Example 1
Source File: TestMockDAGAppMaster.java    From tez with Apache License 2.0 5 votes vote down vote up 
@Test (timeout = 5000)
public void testLocalResourceSetup() throws Exception {
  TezConfiguration tezconf = new TezConfiguration(defaultConf);
  
  MockTezClient tezClient = new MockTezClient("testMockAM", tezconf, true, null, null, null, null);
  tezClient.start();
  
  MockDAGAppMaster mockApp = tezClient.getLocalClient().getMockApp();
  MockContainerLauncher mockLauncher = mockApp.getContainerLauncher();
  mockLauncher.startScheduling(false);
  
  Map<String, LocalResource> lrDAG = Maps.newHashMap();
  String lrName1 = "LR1";
  lrDAG.put(lrName1, LocalResource.newInstance(URL.newInstance("file", "localhost", 0, "/test"),
      LocalResourceType.FILE, LocalResourceVisibility.PUBLIC, 1, 1));
  Map<String, LocalResource> lrVertex = Maps.newHashMap();
  String lrName2 = "LR2";
  lrVertex.put(lrName2, LocalResource.newInstance(URL.newInstance("file", "localhost", 0, "/test1"),
      LocalResourceType.FILE, LocalResourceVisibility.PUBLIC, 1, 1));

  DAG dag = DAG.create("testLocalResourceSetup").addTaskLocalFiles(lrDAG);
  Vertex vA = Vertex.create("A", ProcessorDescriptor.create("Proc.class"), 5).addTaskLocalFiles(lrVertex);
  dag.addVertex(vA);

  DAGClient dagClient = tezClient.submitDAG(dag);
  mockLauncher.waitTillContainersLaunched();
  ContainerData cData = mockLauncher.getContainers().values().iterator().next();
  ContainerLaunchContext launchContext = cData.launchContext;
  Map<String, LocalResource> taskLR = launchContext.getLocalResources();
  // verify tasks are launched with both DAG and task resources.
  Assert.assertTrue(taskLR.containsKey(lrName1));
  Assert.assertTrue(taskLR.containsKey(lrName2));
  
  mockLauncher.startScheduling(true);
  dagClient.waitForCompletion();
  Assert.assertEquals(DAGStatus.State.SUCCEEDED, dagClient.getDAGStatus(null).getState());
  tezClient.stop();
}