org.apache.hadoop.hdfs.tools.DFSAdmin Java Examples

The following examples show how to use org.apache.hadoop.hdfs.tools.DFSAdmin. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: TestTools.java    From big-c with Apache License 2.0 6 votes vote down vote up
@Test
public void testDFSAdminInvalidUsageHelp() {
  ImmutableSet<String> args = ImmutableSet.of("-report", "-saveNamespace",
      "-rollEdits", "-restoreFailedStorage", "-refreshNodes",
      "-finalizeUpgrade", "-metasave", "-refreshUserToGroupsMappings",
      "-printTopology", "-refreshNamenodes", "-deleteBlockPool",
      "-setBalancerBandwidth", "-fetchImage");
  try {
    for (String arg : args)
      assertTrue(ToolRunner.run(new DFSAdmin(), fillArgs(arg)) == -1);
    
    assertTrue(ToolRunner.run(new DFSAdmin(),
        new String[] { "-help", "-some" }) == 0);
  } catch (Exception e) {
    fail("testDFSAdminHelp error" + e);
  }

  String pattern = "Usage: hdfs dfsadmin";
  checkOutput(new String[] { "-cancel", "-renew" }, pattern, System.err,
      DFSAdmin.class);
}
 
Example #2
Source File: TestGenericRefresh.java    From big-c with Apache License 2.0 6 votes vote down vote up
@Test
public void testMultipleRegistration() throws Exception {
  RefreshRegistry.defaultRegistry().register("sharedId", firstHandler);
  RefreshRegistry.defaultRegistry().register("sharedId", secondHandler);

  // this should trigger both
  DFSAdmin admin = new DFSAdmin(config);
  String[] args = new String[]{"-refresh", "localhost:" +
      cluster.getNameNodePort(), "sharedId", "one"};
  int exitCode = admin.run(args);
  assertEquals(-1, exitCode); // -1 because one of the responses is unregistered

  // verify we called both
  Mockito.verify(firstHandler).handleRefresh("sharedId", new String[]{"one"});
  Mockito.verify(secondHandler).handleRefresh("sharedId", new String[]{"one"});

  RefreshRegistry.defaultRegistry().unregisterAll("sharedId");
}
 
Example #3
Source File: TestGenericRefresh.java    From big-c with Apache License 2.0 6 votes vote down vote up
@Test
public void testExceptionResultsInNormalError() throws Exception {
  // In this test, we ensure that all handlers are called even if we throw an exception in one
  RefreshHandler exceptionalHandler = Mockito.mock(RefreshHandler.class);
  Mockito.stub(exceptionalHandler.handleRefresh(Mockito.anyString(), Mockito.any(String[].class)))
    .toThrow(new RuntimeException("Exceptional Handler Throws Exception"));

  RefreshHandler otherExceptionalHandler = Mockito.mock(RefreshHandler.class);
  Mockito.stub(otherExceptionalHandler.handleRefresh(Mockito.anyString(), Mockito.any(String[].class)))
    .toThrow(new RuntimeException("More Exceptions"));

  RefreshRegistry.defaultRegistry().register("exceptional", exceptionalHandler);
  RefreshRegistry.defaultRegistry().register("exceptional", otherExceptionalHandler);

  DFSAdmin admin = new DFSAdmin(config);
  String[] args = new String[]{"-refresh", "localhost:" +
      cluster.getNameNodePort(), "exceptional"};
  int exitCode = admin.run(args);
  assertEquals(-1, exitCode); // Exceptions result in a -1

  Mockito.verify(exceptionalHandler).handleRefresh("exceptional", new String[]{});
  Mockito.verify(otherExceptionalHandler).handleRefresh("exceptional", new String[]{});

  RefreshRegistry.defaultRegistry().unregisterAll("exceptional");
}
 
Example #4
Source File: TestRefreshCallQueue.java    From big-c with Apache License 2.0 6 votes vote down vote up
@Test
public void testRefresh() throws Exception {
  assertTrue("Mock queue should have been constructed", mockQueueConstructions > 0);
  assertTrue("Puts are routed through MockQueue", canPutInMockQueue());
  int lastMockQueueConstructions = mockQueueConstructions;

  // Replace queue with the queue specified in core-site.xml, which would be the LinkedBlockingQueue
  DFSAdmin admin = new DFSAdmin(config);
  String [] args = new String[]{"-refreshCallQueue"};
  int exitCode = admin.run(args);
  assertEquals("DFSAdmin should return 0", 0, exitCode);

  assertEquals("Mock queue should have no additional constructions", lastMockQueueConstructions, mockQueueConstructions);
  try {
    assertFalse("Puts are routed through LBQ instead of MockQueue", canPutInMockQueue());
  } catch (IOException ioe){
    fail("Could not put into queue at all");
  }
}
 
Example #5
Source File: TestRefreshCallQueue.java    From hadoop with Apache License 2.0 6 votes vote down vote up
@Test
public void testRefresh() throws Exception {
  assertTrue("Mock queue should have been constructed", mockQueueConstructions > 0);
  assertTrue("Puts are routed through MockQueue", canPutInMockQueue());
  int lastMockQueueConstructions = mockQueueConstructions;

  // Replace queue with the queue specified in core-site.xml, which would be the LinkedBlockingQueue
  DFSAdmin admin = new DFSAdmin(config);
  String [] args = new String[]{"-refreshCallQueue"};
  int exitCode = admin.run(args);
  assertEquals("DFSAdmin should return 0", 0, exitCode);

  assertEquals("Mock queue should have no additional constructions", lastMockQueueConstructions, mockQueueConstructions);
  try {
    assertFalse("Puts are routed through LBQ instead of MockQueue", canPutInMockQueue());
  } catch (IOException ioe){
    fail("Could not put into queue at all");
  }
}
 
Example #6
Source File: TestGenericRefresh.java    From hadoop with Apache License 2.0 6 votes vote down vote up
@Test
public void testExceptionResultsInNormalError() throws Exception {
  // In this test, we ensure that all handlers are called even if we throw an exception in one
  RefreshHandler exceptionalHandler = Mockito.mock(RefreshHandler.class);
  Mockito.stub(exceptionalHandler.handleRefresh(Mockito.anyString(), Mockito.any(String[].class)))
    .toThrow(new RuntimeException("Exceptional Handler Throws Exception"));

  RefreshHandler otherExceptionalHandler = Mockito.mock(RefreshHandler.class);
  Mockito.stub(otherExceptionalHandler.handleRefresh(Mockito.anyString(), Mockito.any(String[].class)))
    .toThrow(new RuntimeException("More Exceptions"));

  RefreshRegistry.defaultRegistry().register("exceptional", exceptionalHandler);
  RefreshRegistry.defaultRegistry().register("exceptional", otherExceptionalHandler);

  DFSAdmin admin = new DFSAdmin(config);
  String[] args = new String[]{"-refresh", "localhost:" +
      cluster.getNameNodePort(), "exceptional"};
  int exitCode = admin.run(args);
  assertEquals(-1, exitCode); // Exceptions result in a -1

  Mockito.verify(exceptionalHandler).handleRefresh("exceptional", new String[]{});
  Mockito.verify(otherExceptionalHandler).handleRefresh("exceptional", new String[]{});

  RefreshRegistry.defaultRegistry().unregisterAll("exceptional");
}
 
Example #7
Source File: TestGenericRefresh.java    From hadoop with Apache License 2.0 6 votes vote down vote up
@Test
public void testMultipleRegistration() throws Exception {
  RefreshRegistry.defaultRegistry().register("sharedId", firstHandler);
  RefreshRegistry.defaultRegistry().register("sharedId", secondHandler);

  // this should trigger both
  DFSAdmin admin = new DFSAdmin(config);
  String[] args = new String[]{"-refresh", "localhost:" +
      cluster.getNameNodePort(), "sharedId", "one"};
  int exitCode = admin.run(args);
  assertEquals(-1, exitCode); // -1 because one of the responses is unregistered

  // verify we called both
  Mockito.verify(firstHandler).handleRefresh("sharedId", new String[]{"one"});
  Mockito.verify(secondHandler).handleRefresh("sharedId", new String[]{"one"});

  RefreshRegistry.defaultRegistry().unregisterAll("sharedId");
}
 
Example #8
Source File: TestTools.java    From hadoop with Apache License 2.0 6 votes vote down vote up
@Test
public void testDFSAdminInvalidUsageHelp() {
  ImmutableSet<String> args = ImmutableSet.of("-report", "-saveNamespace",
      "-rollEdits", "-restoreFailedStorage", "-refreshNodes",
      "-finalizeUpgrade", "-metasave", "-refreshUserToGroupsMappings",
      "-printTopology", "-refreshNamenodes", "-deleteBlockPool",
      "-setBalancerBandwidth", "-fetchImage");
  try {
    for (String arg : args)
      assertTrue(ToolRunner.run(new DFSAdmin(), fillArgs(arg)) == -1);
    
    assertTrue(ToolRunner.run(new DFSAdmin(),
        new String[] { "-help", "-some" }) == 0);
  } catch (Exception e) {
    fail("testDFSAdminHelp error" + e);
  }

  String pattern = "Usage: hdfs dfsadmin";
  checkOutput(new String[] { "-cancel", "-renew" }, pattern, System.err,
      DFSAdmin.class);
}
 
Example #9
Source File: CommandExecutor.java    From hadoop-gpu with Apache License 2.0 5 votes vote down vote up
public static int executeDFSAdminCommand(final String cmd, final String namenode) {
    exitCode = 0;
    
    ByteArrayOutputStream bao = new ByteArrayOutputStream();
    PrintStream origOut = System.out;
    PrintStream origErr = System.err;
    
    System.setOut(new PrintStream(bao));
    System.setErr(new PrintStream(bao));
    
    DFSAdmin shell = new DFSAdmin();
    String[] args = getCommandAsArgs(cmd, "NAMENODE", namenode);
    cmdExecuted = cmd;
   
    try {
      ToolRunner.run(shell, args);
    } catch (Exception e) {
      e.printStackTrace();
      lastException = e;
      exitCode = -1;
    } finally {
      System.setOut(origOut);
      System.setErr(origErr);
    }
    
    commandOutput = bao.toString();
    
    return exitCode;
}
 
Example #10
Source File: TestDFSShell.java    From big-c with Apache License 2.0 5 votes vote down vote up
/**
 * default setting is file:// which is not a DFS
 * so DFSAdmin should throw and catch InvalidArgumentException
 * and return -1 exit code.
 * @throws Exception
 */
@Test (timeout = 30000)
public void testInvalidShell() throws Exception {
  Configuration conf = new Configuration(); // default FS (non-DFS)
  DFSAdmin admin = new DFSAdmin();
  admin.setConf(conf);
  int res = admin.run(new String[] {"-refreshNodes"});
  assertEquals("expected to fail -1", res , -1);
}
 
Example #11
Source File: TestClientProtocolForPipelineRecovery.java    From big-c with Apache License 2.0 5 votes vote down vote up
/**
 * Test recovery on restart OOB message. It also tests the delivery of 
 * OOB ack originating from the primary datanode. Since there is only
 * one node in the cluster, failure of restart-recovery will fail the
 * test.
 */
@Test
public void testPipelineRecoveryOnOOB() throws Exception {
  Configuration conf = new HdfsConfiguration();
  conf.set(DFSConfigKeys.DFS_CLIENT_DATANODE_RESTART_TIMEOUT_KEY, "15");
  MiniDFSCluster cluster = null;
  try {
    int numDataNodes = 1;
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(numDataNodes).build();
    cluster.waitActive();
    FileSystem fileSys = cluster.getFileSystem();

    Path file = new Path("dataprotocol2.dat");
    DFSTestUtil.createFile(fileSys, file, 10240L, (short)1, 0L);
    DFSOutputStream out = (DFSOutputStream)(fileSys.append(file).
        getWrappedStream());
    out.write(1);
    out.hflush();

    DFSAdmin dfsadmin = new DFSAdmin(conf);
    DataNode dn = cluster.getDataNodes().get(0);
    final String dnAddr = dn.getDatanodeId().getIpcAddr(false);
    // issue shutdown to the datanode.
    final String[] args1 = {"-shutdownDatanode", dnAddr, "upgrade" };
    Assert.assertEquals(0, dfsadmin.run(args1));
    // Wait long enough to receive an OOB ack before closing the file.
    Thread.sleep(4000);
    // Retart the datanode 
    cluster.restartDataNode(0, true);
    // The following forces a data packet and end of block packets to be sent. 
    out.close();
  } finally {
    if (cluster != null) {
      cluster.shutdown();
    }
  }
}
 
Example #12
Source File: TestDataNodeRollingUpgrade.java    From big-c with Apache License 2.0 5 votes vote down vote up
private void startRollingUpgrade() throws Exception {
  LOG.info("Starting rolling upgrade");
  fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
  final DFSAdmin dfsadmin = new DFSAdmin(conf);
  TestRollingUpgrade.runCmd(dfsadmin, true, "-rollingUpgrade", "prepare");
  triggerHeartBeats();

  // Ensure datanode rolling upgrade is started
  assertTrue(dn0.getFSDataset().trashEnabled(blockPoolId));
}
 
Example #13
Source File: TestRecount.java    From RDFS with Apache License 2.0 5 votes vote down vote up
@Test
public void testRecount() throws Exception {
  fs.mkdirs(new Path("/user/user1"));
  assertEquals(3, namesystem.getFilesAndDirectoriesTotal());
  namesystem.dir.rootDir.setSpaceConsumed(2, 0);
  assertEquals(2, namesystem.getFilesAndDirectoriesTotal());
  DFSAdmin adm = new DFSAdmin(conf);
  adm.run(new String[]{"-recount"});
  assertEquals(3, namesystem.getFilesAndDirectoriesTotal());
}
 
Example #14
Source File: CommandExecutor.java    From RDFS with Apache License 2.0 5 votes vote down vote up
public static int executeDFSAdminCommand(final String cmd, final String namenode) {
    exitCode = 0;
    
    ByteArrayOutputStream bao = new ByteArrayOutputStream();
    PrintStream origOut = System.out;
    PrintStream origErr = System.err;
    
    System.setOut(new PrintStream(bao));
    System.setErr(new PrintStream(bao));
    
    DFSAdmin shell = new DFSAdmin();
    String[] args = getCommandAsArgs(cmd, "NAMENODE", namenode);
    cmdExecuted = cmd;
   
    try {
      ToolRunner.run(shell, args);
    } catch (Exception e) {
      e.printStackTrace();
      lastException = e;
      exitCode = -1;
    } finally {
      System.setOut(origOut);
      System.setErr(origErr);
    }
    
    commandOutput = bao.toString();
    
    return exitCode;
}
 
Example #15
Source File: TestQuota.java    From RDFS with Apache License 2.0 5 votes vote down vote up
private void runCommand(DFSAdmin admin, String args[], boolean expectEror)
throws Exception {
  int val = admin.run(args);
  if (expectEror) {
    assertEquals(val, -1);
  } else {
    assertTrue(val>=0);
  }
}
 
Example #16
Source File: TestHDFSConcat.java    From RDFS with Apache License 2.0 5 votes vote down vote up
private void runCommand(DFSAdmin admin, String args[], boolean expectEror)
throws Exception {
  int val = admin.run(args);
  if (expectEror) {
    assertEquals(val, -1);
  } else {
    assertTrue(val>=0);
  }
}
 
Example #17
Source File: TestQuota.java    From big-c with Apache License 2.0 5 votes vote down vote up
private void runCommand(DFSAdmin admin, String args[], boolean expectEror)
throws Exception {
  int val = admin.run(args);
  if (expectEror) {
    assertEquals(val, -1);
  } else {
    assertTrue(val>=0);
  }
}
 
Example #18
Source File: TestDataNodeRollingUpgrade.java    From big-c with Apache License 2.0 5 votes vote down vote up
private void finalizeRollingUpgrade() throws Exception {
  LOG.info("Finalizing rolling upgrade");
  final DFSAdmin dfsadmin = new DFSAdmin(conf);
  TestRollingUpgrade.runCmd(dfsadmin, true, "-rollingUpgrade", "finalize");
  triggerHeartBeats();

  // Ensure datanode rolling upgrade is started
  assertFalse(dn0.getFSDataset().trashEnabled(blockPoolId));
  BlockPoolSliceStorage bps = dn0.getStorage().getBPStorage(blockPoolId);
  assertFalse(bps.trashEnabled());
}
 
Example #19
Source File: TestRollingUpgrade.java    From big-c with Apache License 2.0 5 votes vote down vote up
@Test
public void testDFSAdminDatanodeUpgradeControlCommands() throws Exception {
  // start a cluster
  final Configuration conf = new HdfsConfiguration();
  MiniDFSCluster cluster = null;
  try {
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build();
    cluster.waitActive();
    final DFSAdmin dfsadmin = new DFSAdmin(conf);
    DataNode dn = cluster.getDataNodes().get(0);

    // check the datanode
    final String dnAddr = dn.getDatanodeId().getIpcAddr(false);
    final String[] args1 = {"-getDatanodeInfo", dnAddr};
    Assert.assertEquals(0, dfsadmin.run(args1));

    // issue shutdown to the datanode.
    final String[] args2 = {"-shutdownDatanode", dnAddr, "upgrade" };
    Assert.assertEquals(0, dfsadmin.run(args2));

    // the datanode should be down.
    Thread.sleep(2000);
    Assert.assertFalse("DataNode should exit", dn.isDatanodeUp());

    // ping should fail.
    Assert.assertEquals(-1, dfsadmin.run(args1));
  } finally {
    if (cluster != null) cluster.shutdown();
  }
}
 
Example #20
Source File: MiniDFSCluster.java    From hadoop-gpu with Apache License 2.0 5 votes vote down vote up
/**
 * If the NameNode is running, attempt to finalize a previous upgrade.
 * When this method return, the NameNode should be finalized, but
 * DataNodes may not be since that occurs asynchronously.
 *
 * @throws IllegalStateException if the Namenode is not running.
 */
public void finalizeCluster(Configuration conf) throws Exception {
  if (nameNode == null) {
    throw new IllegalStateException("Attempting to finalize "
                                    + "Namenode but it is not running");
  }
  ToolRunner.run(new DFSAdmin(conf), new String[] {"-finalizeUpgrade"});
}
 
Example #21
Source File: TestGenericRefresh.java    From big-c with Apache License 2.0 5 votes vote down vote up
@Test
public void testMultipleReturnCodeMerging() throws Exception {
  // Two handlers which return two non-zero values
  RefreshHandler handlerOne = Mockito.mock(RefreshHandler.class);
  Mockito.stub(handlerOne.handleRefresh(Mockito.anyString(), Mockito.any(String[].class)))
    .toReturn(new RefreshResponse(23, "Twenty Three"));

  RefreshHandler handlerTwo = Mockito.mock(RefreshHandler.class);
  Mockito.stub(handlerTwo.handleRefresh(Mockito.anyString(), Mockito.any(String[].class)))
    .toReturn(new RefreshResponse(10, "Ten"));

  // Then registered to the same ID
  RefreshRegistry.defaultRegistry().register("shared", handlerOne);
  RefreshRegistry.defaultRegistry().register("shared", handlerTwo);

  // We refresh both
  DFSAdmin admin = new DFSAdmin(config);
  String[] args = new String[]{"-refresh", "localhost:" +
      cluster.getNameNodePort(), "shared"};
  int exitCode = admin.run(args);
  assertEquals(-1, exitCode); // We get -1 because of our logic for melding non-zero return codes

  // Verify we called both
  Mockito.verify(handlerOne).handleRefresh("shared", new String[]{});
  Mockito.verify(handlerTwo).handleRefresh("shared", new String[]{});

  RefreshRegistry.defaultRegistry().unregisterAll("shared");
}
 
Example #22
Source File: TestRefreshUserMappings.java    From hadoop with Apache License 2.0 5 votes vote down vote up
@Test
public void testGroupMappingRefresh() throws Exception {
  DFSAdmin admin = new DFSAdmin(config);
  String [] args =  new String[]{"-refreshUserToGroupsMappings"};
  Groups groups = Groups.getUserToGroupsMappingService(config);
  String user = UserGroupInformation.getCurrentUser().getUserName();
  System.out.println("first attempt:");
  List<String> g1 = groups.getGroups(user);
  String [] str_groups = new String [g1.size()];
  g1.toArray(str_groups);
  System.out.println(Arrays.toString(str_groups));
  
  System.out.println("second attempt, should be same:");
  List<String> g2 = groups.getGroups(user);
  g2.toArray(str_groups);
  System.out.println(Arrays.toString(str_groups));
  for(int i=0; i<g2.size(); i++) {
    assertEquals("Should be same group ", g1.get(i), g2.get(i));
  }
  admin.run(args);
  System.out.println("third attempt(after refresh command), should be different:");
  List<String> g3 = groups.getGroups(user);
  g3.toArray(str_groups);
  System.out.println(Arrays.toString(str_groups));
  for(int i=0; i<g3.size(); i++) {
    assertFalse("Should be different group: " + g1.get(i) + " and " + g3.get(i), 
        g1.get(i).equals(g3.get(i)));
  }
  
  // test time out
  Thread.sleep(groupRefreshTimeoutSec*1100);
  System.out.println("fourth attempt(after timeout), should be different:");
  List<String> g4 = groups.getGroups(user);
  g4.toArray(str_groups);
  System.out.println(Arrays.toString(str_groups));
  for(int i=0; i<g4.size(); i++) {
    assertFalse("Should be different group ", g3.get(i).equals(g4.get(i)));
  }
}
 
Example #23
Source File: TestGenericRefresh.java    From big-c with Apache License 2.0 5 votes vote down vote up
@Test
public void testUnregistration() throws Exception {
  RefreshRegistry.defaultRegistry().unregisterAll("firstHandler");

  // And now this should fail
  DFSAdmin admin = new DFSAdmin(config);
  String[] args = new String[]{"-refresh", "localhost:" +
      cluster.getNameNodePort(), "firstHandler"};
  int exitCode = admin.run(args);
  assertEquals("DFSAdmin should return -1", -1, exitCode);
}
 
Example #24
Source File: TestGenericRefresh.java    From big-c with Apache License 2.0 5 votes vote down vote up
@Test
public void testVariableArgs() throws Exception {
  DFSAdmin admin = new DFSAdmin(config);
  String[] args = new String[]{"-refresh", "localhost:" +
      cluster.getNameNodePort(), "secondHandler", "one"};
  int exitCode = admin.run(args);
  assertEquals("DFSAdmin should return 2", 2, exitCode);

  exitCode = admin.run(new String[]{"-refresh", "localhost:" +
      cluster.getNameNodePort(), "secondHandler", "one", "two"});
  assertEquals("DFSAdmin should now return 3", 3, exitCode);

  Mockito.verify(secondHandler).handleRefresh("secondHandler", new String[]{"one"});
  Mockito.verify(secondHandler).handleRefresh("secondHandler", new String[]{"one", "two"});
}
 
Example #25
Source File: TestGenericRefresh.java    From big-c with Apache License 2.0 5 votes vote down vote up
@Test
public void testValidIdentifier() throws Exception {
  DFSAdmin admin = new DFSAdmin(config);
  String[] args = new String[]{"-refresh",
      "localhost:" + cluster.getNameNodePort(), "firstHandler"};
  int exitCode = admin.run(args);
  assertEquals("DFSAdmin should succeed", 0, exitCode);

  Mockito.verify(firstHandler).handleRefresh("firstHandler", new String[]{});
  // Second handler was never called
  Mockito.verify(secondHandler, Mockito.never())
    .handleRefresh(Mockito.anyString(), Mockito.any(String[].class));
}
 
Example #26
Source File: TestGenericRefresh.java    From big-c with Apache License 2.0 5 votes vote down vote up
@Test
public void testInvalidIdentifier() throws Exception {
  DFSAdmin admin = new DFSAdmin(config);
  String [] args = new String[]{"-refresh", "localhost:" + 
      cluster.getNameNodePort(), "unregisteredIdentity"};
  int exitCode = admin.run(args);
  assertEquals("DFSAdmin should fail due to no handler registered", -1, exitCode);
}
 
Example #27
Source File: TestGenericRefresh.java    From big-c with Apache License 2.0 5 votes vote down vote up
@Test
public void testInvalidCommand() throws Exception {
  DFSAdmin admin = new DFSAdmin(config);
  String [] args = new String[]{"-refresh", "nn"};
  int exitCode = admin.run(args);
  assertEquals("DFSAdmin should fail due to bad args", -1, exitCode);
}
 
Example #28
Source File: TestTools.java    From big-c with Apache License 2.0 5 votes vote down vote up
private void expectDfsAdminPrint(String[] args) {
  try {
    ToolRunner.run(new DFSAdmin(), args);
  } catch (Exception ex) {
    fail("expectDelegationTokenFetcherExit ex error " + ex);
  }
}
 
Example #29
Source File: TestQuota.java    From hadoop-gpu with Apache License 2.0 5 votes vote down vote up
private void runCommand(DFSAdmin admin, String args[], boolean expectEror)
throws Exception {
  int val = admin.run(args);
  if (expectEror) {
    assertEquals(val, -1);
  } else {
    assertTrue(val>=0);
  }
}
 
Example #30
Source File: MiniDFSCluster.java    From big-c with Apache License 2.0 5 votes vote down vote up
/**
 * Finalize the namenode. Block pools corresponding to the namenode are
 * finalized on the datanode.
 */
private void finalizeNamenode(NameNode nn, Configuration conf) throws Exception {
  if (nn == null) {
    throw new IllegalStateException("Attempting to finalize "
                                    + "Namenode but it is not running");
  }
  ToolRunner.run(new DFSAdmin(conf), new String[] {"-finalizeUpgrade"});
}