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.


      // 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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      }


      // 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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    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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    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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      // 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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        assertTrue(new File(ed, "current/edits").length() > Integer.SIZE/Byte.SIZE);
      }
      admin = new DFSAdmin(conf);
      args = new String[]{"-saveNamespace", "force"};
      try {
        admin.run(args);
      } catch (Exception e) {
        throw new IOException(e);
      }


      // restart cluster and verify file exists

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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);
      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);
      assertEquals(0, ret);
      
      verifyBlockPoolDirectories(false, dn1StorageDir1, bpid2);
      verifyBlockPoolDirectories(false, dn1StorageDir2, bpid2);

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