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.

    String rsrc = "testGroupMappingRefresh_rsrc.xml";
    addNewConfigResource(rsrc, userKeyGroups, "gr2", userKeyHosts, "127.0.0.1");  
    
    DFSAdmin admin = new DFSAdmin(config);
    String [] args = new String[]{"-refreshSuperUserGroupsConfiguration"};
    admin.run(args);
    
    try {
      ProxyUsers.authorize(ugi2, "127.0.0.1", config);
      fail("second auth for " + ugi2.getShortUserName() + " should've failed ");
    } catch (AuthorizationException e) {

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      DFSAdmin admin = new DFSAdmin(nn1Conf);
      String dn1Address = dn1.getSelfAddr().getHostName()+":"+dn1.getIpcPort();
      String[] args = { "-deleteBlockPool", dn1Address, bpid2 };
      
      int ret = admin.run(args);
      Assert.assertFalse(0 == ret);


      verifyBlockPoolDirectories(true, dn1StorageDir1, bpid2);
      verifyBlockPoolDirectories(true, dn1StorageDir2, bpid2);

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      verifyBlockPoolDirectories(true, dn1StorageDir1, bpid2);
      verifyBlockPoolDirectories(true, dn1StorageDir2, bpid2);
      
      String[] forceArgs = { "-deleteBlockPool", dn1Address, bpid2, "force" };
      ret = admin.run(forceArgs);
      Assert.assertEquals(0, ret);
      
      verifyBlockPoolDirectories(false, dn1StorageDir1, bpid2);
      verifyBlockPoolDirectories(false, dn1StorageDir2, bpid2);

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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 except for the START txn
      for (StorageDirectory sd : nn.getFSImage().getStorage().dirIterable(null)) {

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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);
      }
      
      // the following steps should have happened:

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      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));

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      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());

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      // 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();
    }
  }

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      DFSAdmin admin = new DFSAdmin(nn1Conf);
      String dn1Address = dn1.getDatanodeId().getIpAddr() + ":" + dn1.getIpcPort();
      String[] args = { "-deleteBlockPool", dn1Address, bpid2 };
      
      int ret = admin.run(args);
      Assert.assertFalse(0 == ret);


      verifyBlockPoolDirectories(true, dn1StorageDir1, bpid2);
      verifyBlockPoolDirectories(true, dn1StorageDir2, bpid2);

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