How to use

createExcludeFile

method

in

org.apache.hadoop.yarn.server.resourcemanager.TestClientRMService

@Test
public void testRMStartWithDecommissionedNode() throws Exception {
 String excludeFile = "excludeFile";
 createExcludeFile(excludeFile);
 YarnConfiguration conf = new YarnConfiguration();
 conf.set(YarnConfiguration.RM_NODES_EXCLUDE_FILE_PATH,
   excludeFile);
 MockRM rm = new MockRM(conf) {
  protected ClientRMService createClientRMService() {
   return new ClientRMService(this.rmContext, scheduler,
     this.rmAppManager, this.applicationACLsManager, this.queueACLsManager,
     this.getRMContext().getRMDelegationTokenSecretManager());
  };
 };
 rm.start();
 YarnRPC rpc = YarnRPC.create(conf);
 InetSocketAddress rmAddress = rm.getClientRMService().getBindAddress();
 LOG.info("Connecting to ResourceManager at " + rmAddress);
 ApplicationClientProtocol client =
   (ApplicationClientProtocol) rpc
     .getProxy(ApplicationClientProtocol.class, rmAddress, conf);
 // Make call
 GetClusterNodesRequest request =
   GetClusterNodesRequest.newInstance(EnumSet.allOf(NodeState.class));
 List<NodeReport> nodeReports = client.getClusterNodes(request).getNodeReports();
 Assert.assertEquals(1, nodeReports.size());
 rm.stop();
 rpc.stopProxy(client, conf);
 new File(excludeFile).delete();
}

@Test
public void testRMStartWithDecommissionedNode() throws Exception {
 String excludeFile = "excludeFile";
 createExcludeFile(excludeFile);
 YarnConfiguration conf = new YarnConfiguration();
 conf.set(YarnConfiguration.RM_NODES_EXCLUDE_FILE_PATH,