Java Code Examples for org.apache.hadoop.cli.util.CommandExecutor#executeCommand()

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Example 1
Source File: TestStorageRestore.java    From hadoop with Apache License 2.0 4 votes vote down vote up 
/**
 * Test dfsadmin -restoreFailedStorage command
 * @throws Exception
 */
@Test
public void testDfsAdminCmd() throws Exception {
  cluster = new MiniDFSCluster.Builder(config).
                               numDataNodes(2).
                               manageNameDfsDirs(false).build();
  cluster.waitActive();
  try {

    FSImage fsi = cluster.getNameNode().getFSImage();

    // it is started with dfs.namenode.name.dir.restore set to true (in SetUp())
    boolean restore = fsi.getStorage().getRestoreFailedStorage();
    LOG.info("Restore is " + restore);
    assertEquals(restore, true);

    // now run DFSAdmnin command

    String cmd = "-fs NAMENODE -restoreFailedStorage false";
    String namenode = config.get(DFSConfigKeys.FS_DEFAULT_NAME_KEY, "file:///");
    CommandExecutor executor =
        new CLITestCmdDFS(cmd, new CLICommandDFSAdmin()).getExecutor(namenode);

    executor.executeCommand(cmd);
    restore = fsi.getStorage().getRestoreFailedStorage();
    assertFalse("After set true call restore is " + restore, restore);

    // run one more time - to set it to true again
    cmd = "-fs NAMENODE -restoreFailedStorage true";
    executor.executeCommand(cmd);
    restore = fsi.getStorage().getRestoreFailedStorage();
    assertTrue("After set false call restore is " + restore, restore);
    
    // run one more time - no change in value
    cmd = "-fs NAMENODE -restoreFailedStorage check";
    CommandExecutor.Result cmdResult = executor.executeCommand(cmd);
    restore = fsi.getStorage().getRestoreFailedStorage();
    assertTrue("After check call restore is " + restore, restore);
    String commandOutput = cmdResult.getCommandOutput();
    commandOutput.trim();
    assertTrue(commandOutput.contains("restoreFailedStorage is set to true"));
    

  } finally {
    cluster.shutdown();
  }
}
Example 2
Source File: TestStorageRestore.java    From big-c with Apache License 2.0 4 votes vote down vote up 
/**
 * Test dfsadmin -restoreFailedStorage command
 * @throws Exception
 */
@Test
public void testDfsAdminCmd() throws Exception {
  cluster = new MiniDFSCluster.Builder(config).
                               numDataNodes(2).
                               manageNameDfsDirs(false).build();
  cluster.waitActive();
  try {

    FSImage fsi = cluster.getNameNode().getFSImage();

    // it is started with dfs.namenode.name.dir.restore set to true (in SetUp())
    boolean restore = fsi.getStorage().getRestoreFailedStorage();
    LOG.info("Restore is " + restore);
    assertEquals(restore, true);

    // now run DFSAdmnin command

    String cmd = "-fs NAMENODE -restoreFailedStorage false";
    String namenode = config.get(DFSConfigKeys.FS_DEFAULT_NAME_KEY, "file:///");
    CommandExecutor executor =
        new CLITestCmdDFS(cmd, new CLICommandDFSAdmin()).getExecutor(namenode);

    executor.executeCommand(cmd);
    restore = fsi.getStorage().getRestoreFailedStorage();
    assertFalse("After set true call restore is " + restore, restore);

    // run one more time - to set it to true again
    cmd = "-fs NAMENODE -restoreFailedStorage true";
    executor.executeCommand(cmd);
    restore = fsi.getStorage().getRestoreFailedStorage();
    assertTrue("After set false call restore is " + restore, restore);
    
    // run one more time - no change in value
    cmd = "-fs NAMENODE -restoreFailedStorage check";
    CommandExecutor.Result cmdResult = executor.executeCommand(cmd);
    restore = fsi.getStorage().getRestoreFailedStorage();
    assertTrue("After check call restore is " + restore, restore);
    String commandOutput = cmdResult.getCommandOutput();
    commandOutput.trim();
    assertTrue(commandOutput.contains("restoreFailedStorage is set to true"));
    

  } finally {
    cluster.shutdown();
  }
}