Examples of org.apache.hadoop.hdfs.tools.DFSAdmin.run()

Class org.apache.hadoop.hdfs.tools.DFSAdmin

Examples of org.apache.hadoop.hdfs.tools.DFSAdmin.run()

org.apache.hadoop.hdfs.tools.DFSAdmin.run()
@param argv The parameters passed to this program. @exception Exception if the filesystem does not exist. @return 0 on success, non zero on error.

   */
  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);
  }
}

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      // Saving image without safe mode should fail
      DFSAdmin admin = new DFSAdmin(conf);
      String[] args = new String[]{"-saveNamespace"};
      try {
        admin.run(args);
      } catch(IOException eIO) {
        assertTrue(eIO.getLocalizedMessage().contains("Safe mode should be turned ON"));
      } catch(Exception e) {
        throw new IOException(e);
      }

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      }


      // Saving image in safe mode should succeed
      fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
      try {
        admin.run(args);
      } catch(Exception e) {
        throw new IOException(e);
      }
      // verify that the edits file is empty
      for(File ed : editsDirs) {

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    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++) {

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      }


      // Saving image in safe mode should succeed
      fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
      try {
        admin.run(args);
      } catch(Exception e) {
        throw new IOException(e.getMessage());
      }
      // verify that the edits file is empty
      for(URI uri : editsDirs) {

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    log("Normal distributed upgrade for the cluster", numDirs);
    cluster = new MiniDFSCluster(0, conf, numDNs, false, true,
                                  StartupOption.UPGRADE, null);
    DFSAdmin dfsAdmin = new DFSAdmin();
    dfsAdmin.setConf(conf);
    dfsAdmin.run(new String[] {"-safemode", "wait"});
    cluster.shutdown();


    // it should be ok to start in regular mode
    log("NameCluster regular startup after the upgrade", numDirs);
    cluster = new MiniDFSCluster(0, conf, numDNs, false, true,

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      // Saving image without safe mode should fail
      DFSAdmin admin = new DFSAdmin(conf);
      String[] args = new String[]{"-saveNamespace"};
      try {
        admin.run(args);
      } catch(IOException eIO) {
        assertTrue(eIO.getLocalizedMessage().contains("Safe mode should be turned ON"));
      } catch(Exception e) {
        throw new IOException(e);
      }

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      }


      // Saving image in safe mode should succeed
      fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
      try {
        admin.run(args);
      } catch(Exception e) {
        throw new IOException(e);
      }
      // verify that the edits file is empty
      for(URI uri : editsDirs) {

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  @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);
  }


  // force Copy Option is -f
  @Test (timeout = 30000)

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      // Saving image without safe mode should fail
      DFSAdmin admin = new DFSAdmin(conf);
      String[] args = new String[]{"-saveNamespace"};
      try {
        admin.run(args);
      } catch(IOException eIO) {
        assertTrue(eIO.getLocalizedMessage().contains("Safe mode should be turned ON"));
      } catch(Exception e) {
        throw new IOException(e);
      }

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