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

      FileSystem.mkdirs(fs, srcrootpath, new FsPermission((short)0700));
      final String[] args = {"hftp://"+httpAdd+srcrootdir, nnUri+dstrootdir};


      { //copy with permission 000, should fail
        fs.setPermission(srcrootpath, new FsPermission((short)0));
        USER_UGI.doAs(new PrivilegedExceptionAction<Void>() {
          public Void run() throws Exception {
            assertEquals(-3, ToolRunner.run(distcp, args));
            return null;
          }
        });

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    if (user == null) {
      ugi = UserGroupInformation.getCurrentUser();
    } else {
      ugi = UserGroupInformation.createRemoteUser(user);
    }
    return ugi.doAs(new PrivilegedExceptionAction<FileSystem>() {
      public FileSystem run() throws IOException {
        return get(uri, conf);
      }
    });
  }

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  public void testOwnerAllowedForJobKill() 
  throws IOException, InterruptedException {
    try {
      final UserGroupInformation ugi = createNecessaryUsers();
    
      ugi.doAs(new PrivilegedExceptionAction<Object>() {


                 @Override
                   public Object run() throws Exception {


                   JobConf conf

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      UserGroupInformation ugi = 
        UserGroupInformation.createUserForTesting(username, 
                                                  new String[]{"groupyy"});
      
      final String[] args2 = args.clone(); // need final ref for doAs block
      ugi.doAs(new PrivilegedExceptionAction<Object>() {
        @Override
        public Object run() throws Exception {
          assertEquals("Not running as new user", username, 
              UserGroupInformation.getCurrentUser().getShortUserName());
          DFSAdmin userAdmin = new DFSAdmin(conf);

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          mapSignalFile.toString());
      job.set(UtilsForTests.getTaskSignalParameter(false),
          reduceSignalFile.toString());
      LOG.info("Submit job as the actual user (" + user1.getUserName() + ")");
      final JobClient jClient =
        user1.doAs(new PrivilegedExceptionAction<JobClient>() {
          public JobClient run() throws IOException {
            return new JobClient(job);
          }
        });
      RunningJob rJob = user1.doAs(new PrivilegedExceptionAction<RunningJob>() {

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        user1.doAs(new PrivilegedExceptionAction<JobClient>() {
          public JobClient run() throws IOException {
            return new JobClient(job);
          }
        });
      RunningJob rJob = user1.doAs(new PrivilegedExceptionAction<RunningJob>() {
        public RunningJob run() throws IOException {
          return jClient.submitJob(job);
        }
      });
      JobID id = rJob.getID();

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      UserGroupInformation proxyUserUgi = 
        UserGroupInformation.createProxyUserForTesting(
            MINI_USER, current, GROUP_NAMES);
      
      try {
        client =  proxyUserUgi.doAs(new PrivilegedExceptionAction<MiniProtocol>() {
          public MiniProtocol run() throws IOException {
            MiniProtocol p = (MiniProtocol) RPC.getProxy(MiniProtocol.class,
                MiniProtocol.versionID, addr, conf);
            Token<TestDelegationTokenIdentifier> token;
            token = p.getDelegationToken(new Text(RENEWER));

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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],
                      SaslRpcServer.SASL_PROPS, new SaslGssCallbackHandler());

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        + addr.getPort());
    token.setService(host);
    LOG.info("Service IP address for token is " + host);
    current.addToken(token);


    current.doAs(new PrivilegedExceptionAction<Object>() {
      public Object run() throws IOException {
        TestSaslProtocol proxy = null;
        try {
          proxy = (TestSaslProtocol) RPC.getProxy(TestSaslProtocol.class,
              TestSaslProtocol.versionID, addr, 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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