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

    });


    //webhdfs
    final String webhdfsuri = WebHdfsFileSystem.SCHEME  + "://" + nnAddr;
    System.out.println("webhdfsuri=" + webhdfsuri);
    final FileSystem webhdfs = ugi.doAs(
        new PrivilegedExceptionAction<FileSystem>() {
      @Override
      public FileSystem run() throws Exception {
        return new Path(webhdfsuri).getFileSystem(conf);
      }

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        final String user) throws IOException, InterruptedException {
    String ticketCachePath =
      conf.get(CommonConfigurationKeys.KERBEROS_TICKET_CACHE_PATH);
    UserGroupInformation ugi =
        UserGroupInformation.getBestUGI(ticketCachePath, user);
    return ugi.doAs(new PrivilegedExceptionAction<FileSystem>() {
      @Override
      public FileSystem run() throws IOException {
        return get(uri, conf);
      }
    });

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      final String user) throws IOException, InterruptedException {
    String ticketCachePath =
      conf.get(CommonConfigurationKeys.KERBEROS_TICKET_CACHE_PATH);
    UserGroupInformation ugi =
        UserGroupInformation.getBestUGI(ticketCachePath, user);
    return ugi.doAs(new PrivilegedExceptionAction<FileSystem>() {
      @Override
      public FileSystem run() throws IOException {
        return newInstance(uri,conf); 
      }
    });

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            UserGroupInformation ticket = remoteId.getTicket();
            if (ticket.getRealUser() != null) {
              ticket = ticket.getRealUser();
            }
            try {
              authMethod = ticket
                  .doAs(new PrivilegedExceptionAction<AuthMethod>() {
                    @Override
                    public AuthMethod run()
                        throws IOException, InterruptedException {
                      return setupSaslConnection(in2, out2);

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    final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
    FileSystem fs = cluster.getFileSystem();
    
    UserGroupInformation otherUgi = UserGroupInformation.createUserForTesting(
        "testuser", new String[]{"testgroup"});
    FileSystem fs2 = otherUgi.doAs(new PrivilegedExceptionAction<FileSystem>() {
      @Override
      public FileSystem run() throws Exception {
        return FileSystem.get(cluster.getConfiguration(0));
      }
    });

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    final String uri = WebHdfsFileSystem.SCHEME  + "://"
        + config.get(DFSConfigKeys.DFS_NAMENODE_HTTP_ADDRESS_KEY);
    //get file system as JobTracker
    final UserGroupInformation ugi = UserGroupInformation.createUserForTesting(
        "JobTracker", new String[]{"user"});
    final WebHdfsFileSystem webhdfs = ugi.doAs(
        new PrivilegedExceptionAction<WebHdfsFileSystem>() {
      @Override
      public WebHdfsFileSystem run() throws Exception {
        return (WebHdfsFileSystem)FileSystem.get(new URI(uri), config);
      }

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          Assert.fail("Could not renew delegation token for user "+longUgi);
        }
        return null;
      }
    });
    shortUgi.doAs(new PrivilegedExceptionAction<Object>() {
      @Override
      public Object run() throws Exception {
        token.renew(config);
        return null;
      }

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    Token<DelegationTokenIdentifier> token = new Token<DelegationTokenIdentifier>(
        dtId, sm);
    SecurityUtil.setTokenService(token, addr);
    LOG.info("Service for token is " + token.getService());
    current.addToken(token);
    current.doAs(new PrivilegedExceptionAction<Object>() {
      @Override
      public Object run() throws Exception {
        ClientProtocol proxy = null;
        try {
          proxy = RPC.getProxy(ClientProtocol.class,

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      bypass = region.getCoprocessorHost().preBulkLoadHFile(familyPaths);
    }
    boolean loaded = false;
    final IOException[] es = new IOException[1];
    if (!bypass) {
      loaded = ugi.doAs(new PrivilegedAction<Boolean>() {
        @Override
        public Boolean run() {
          FileSystem fs = null;
          try {
            Configuration conf = env.getConfiguration();

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

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