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

Class org.apache.hadoop.security.UserGroupInformation

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

org.apache.hadoop.security.UserGroupInformation.doAs()
Run the given action as the user. @param < T> the return type of the run method @param action the method to execute @return the value from the run method

        secretManager.generateToken("testuser");
    LOG.debug("Got token: " + token.toString());
    testuser.addToken(token);


    // verify the server authenticates us as this token user
    testuser.doAs(new PrivilegedExceptionAction<Object>() {
      public Object run() throws Exception {
        Configuration c = server.getConfiguration();
        RpcClient rpcClient = new RpcClient(c, clusterId.toString());
        ServerName sn =
          new ServerName(server.getAddress().getHostName(), server.getAddress().getPort(),

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              if (names.length != 3) {
                throw new AccessControlException(
                    "Kerberos principal name does NOT have the expected "
                        + "hostname part: " + fullName);
              }
              current.doAs(new PrivilegedExceptionAction<Object>() {
                @Override
                public Object run() throws SaslException {
                  saslServer = Sasl.createSaslServer(AuthMethod.KERBEROS
                      .getMechanismName(), names[0], names[1],
                      SaslUtil.SASL_PROPS, new SaslGssCallbackHandler());

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              }
            }
            boolean continueSasl = false;
            if (ticket == null) throw new FatalConnectionException("ticket/user is null");
            try {
              continueSasl = ticket.doAs(new PrivilegedExceptionAction<Boolean>() {
                @Override
                public Boolean run() throws IOException {
                  return setupSaslConnection(in2, out2);
                }
              });

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        done.run(null);
        return;
      }
      ugi.addToken(targetfsDelegationToken.getUserToken());


      loaded = ugi.doAs(new PrivilegedAction<Boolean>() {
        @Override
        public Boolean run() {
          FileSystem fs = null;
          try {
            Configuration conf = env.getConfiguration();

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              }
            }
            boolean continueSasl = false;
            if (ticket == null) throw new FatalConnectionException("ticket/user is null");
            try {
              continueSasl = ticket.doAs(new PrivilegedExceptionAction<Boolean>() {
                @Override
                public Boolean run() throws IOException {
                  return setupSaslConnection(in2, out2);
                }
              });

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           }
         }
         try {
           UserGroupInformation clientUgi = UserGroupInformation.createProxyUser(
              endUser, UserGroupInformation.getLoginUser());
           return clientUgi.doAs(new PrivilegedExceptionAction<Boolean>() {
               public Boolean run() {
                 try {
                   return wrapped.process(inProt, outProt);
                 } catch (TException te) {
                   throw new RuntimeException(te);

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    private Job verifyAndGetJob(final JobId jobID) throws IOException {
      UserGroupInformation loginUgi = null;
      Job job = null;
      try {
        loginUgi = UserGroupInformation.getLoginUser();
        job = loginUgi.doAs(new PrivilegedExceptionAction<Job>() {


          @Override
          public Job run() throws Exception {
            Job job = history.getJob(jobID);
            return job;

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            .createNMToken(cId.getApplicationAttemptId(), nodeId, user),
          containerManagerBindAddress);
    currentUser.addToken(nmToken);


    ContainerManagementProtocol containerManager =
        currentUser.doAs(new PrivilegedAction<ContainerManagementProtocol>() {
          @Override
          public ContainerManagementProtocol run() {
            Configuration conf = new Configuration();
            YarnRPC rpc = YarnRPC.create(conf);
            InetSocketAddress containerManagerBindAddress =

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      Path p = new Path("/foo");
      fs.mkdirs(p);
      fs.setPermission(p, new FsPermission((short)0700));
      bak = System.err;
      
      tmpUGI.doAs(new PrivilegedExceptionAction<Object>() {
        @Override
        public Object run() throws Exception {
          FsShell fshell = new FsShell(conf);
          ByteArrayOutputStream out = new ByteArrayOutputStream();
          PrintStream tmp = new PrintStream(out);

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      final UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
      final String tmpusername = ugi.getShortUserName() + "1";
      UserGroupInformation tmpUGI = UserGroupInformation.createUserForTesting(
          tmpusername, new String[] {tmpusername});
      String results = tmpUGI.doAs(new PrivilegedExceptionAction<String>() {
        @Override
        public String run() throws Exception {
          return runLsr(new FsShell(conf), root, 1);
        }
      });

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