Package org.apache.hadoop.security

Examples of org.apache.hadoop.security.UserGroupInformation.doAs()

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    /*
     * Test that xattrs in the "trusted" namespace are filtered correctly.
     */
    fs.setXAttr(childDir, "trusted.myxattr", "1234".getBytes());
    user.doAs(new PrivilegedExceptionAction<Object>() {
        @Override
        public Object run() throws Exception {
          final FileSystem userFs = dfsCluster.getFileSystem();
          assertTrue(userFs.listXAttrs(childDir).size() == 1);
          return null;
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              + resourceManager.getServiceState());
    }

    UserGroupInformation owner = UserGroupInformation
        .createRemoteUser(APP_OWNER);
    rmClient = owner.doAs(new PrivilegedExceptionAction<ApplicationClientProtocol>() {
      @Override
      public ApplicationClientProtocol run() throws Exception {
        return (ApplicationClientProtocol) rpc.getProxy(ApplicationClientProtocol.class,
            rmAddress, conf);
      }
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  private ApplicationClientProtocol getRMClientForUser(String user)
      throws IOException, InterruptedException {
    UserGroupInformation userUGI = UserGroupInformation
        .createRemoteUser(user);
    ApplicationClientProtocol userClient = userUGI
        .doAs(new PrivilegedExceptionAction<ApplicationClientProtocol>() {
          @Override
          public ApplicationClientProtocol run() throws Exception {
            return (ApplicationClientProtocol) rpc.getProxy(ApplicationClientProtocol.class,
                rmAddress, conf);
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        UserGroupInformation.createRemoteUser(attemptId.toString());
    Token<AMRMTokenIdentifier> token =
        rm.getRMContext().getRMApps().get(attemptId.getApplicationId())
          .getRMAppAttempt(attemptId).getAMRMToken();
    ugi.addTokenIdentifier(token.decodeIdentifier());
    return ugi.doAs(new PrivilegedExceptionAction<AllocateResponse>() {
      @Override
      public AllocateResponse run() throws Exception {
        return amService.allocate(req);
      }
    });
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  private ApplicationClientProtocol getRMClientForUser(String user)
      throws IOException, InterruptedException {
    UserGroupInformation userUGI = UserGroupInformation.createRemoteUser(user);
    ApplicationClientProtocol userClient =
        userUGI
          .doAs(new PrivilegedExceptionAction<ApplicationClientProtocol>() {
            @Override
            public ApplicationClientProtocol run() throws Exception {
              return (ApplicationClientProtocol) rpc.getProxy(
                ApplicationClientProtocol.class, rmAddress, conf);
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      fs.setPermission(dirpath, new FsPermission((short) 0700));

      // run DFSck as another user, should fail with permission issue
      UserGroupInformation fakeUGI = UserGroupInformation.createUserForTesting(
          "ProbablyNotARealUserName", new String[] { "ShangriLa" });
      fakeUGI.doAs(new PrivilegedExceptionAction<Object>() {
        @Override
        public Object run() throws Exception {
          System.out.println(runFsck(conf, -1, true, dir));
          return null;
        }
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        }
      });
     
      // set permission and try DFSck again as the fake user, should succeed
      fs.setPermission(dirpath, new FsPermission((short) 0777));
      fakeUGI.doAs(new PrivilegedExceptionAction<Object>() {
        @Override
        public Object run() throws Exception {
          final String outStr = runFsck(conf, 0, true, dir);
          System.out.println(outStr);
          assertTrue(outStr.contains(NamenodeFsck.HEALTHY_STATUS));
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        UserGroupInformation.createRemoteUser(attemptId.toString());
    org.apache.hadoop.security.token.Token<AMRMTokenIdentifier> token =
        rm.getRMContext().getRMApps().get(attemptId.getApplicationId())
          .getRMAppAttempt(attemptId).getAMRMToken();
    ugi.addTokenIdentifier(token.decodeIdentifier());
    return ugi.doAs(new PrivilegedExceptionAction<AllocateResponse>() {
      @Override
      public AllocateResponse run() throws Exception {
        return amService.allocate(req);
      }
    });
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  }

  private static DistributedFileSystem getFileSystem(String user, final URI uri,
      final Configuration conf) throws InterruptedException, IOException {
    UserGroupInformation ugi = UserGroupInformation.createRemoteUser(user);
    return ugi.doAs(new PrivilegedExceptionAction<DistributedFileSystem>() {
      @Override
      public DistributedFileSystem run() throws Exception {
        return (DistributedFileSystem)FileSystem.get(uri, conf);
      }
    });
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    }
   
    //hftp
    final String hftpuri = "hftp://" + nnAddr;
    System.out.println("hftpuri=" + hftpuri);
    final FileSystem hftp = ugi.doAs(
        new PrivilegedExceptionAction<FileSystem>() {
      @Override
      public FileSystem run() throws Exception {
        return new Path(hftpuri).getFileSystem(conf);
      }
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