Package org.apache.hadoop.security.UserGroupInformation

Examples of org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod

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    this.isSecurityEnabled = isSecurityEnabled;
  }

  @Before
  public void setUp() throws Exception {
    AuthenticationMethod authMethod = AuthenticationMethod.SIMPLE;
    if (isSecurityEnabled) {
      authMethod = AuthenticationMethod.KERBEROS;
    }
    SecurityUtil.setAuthenticationMethod(authMethod, conf);
    UserGroupInformation.setConfiguration(conf);
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  }
 
  @Before
  public void setUp() throws Exception {
    conf = new YarnConfiguration();
    AuthenticationMethod authMethod = AuthenticationMethod.SIMPLE;
    if (isSecurityEnabled) {
      authMethod = AuthenticationMethod.KERBEROS;
    }
    SecurityUtil.setAuthenticationMethod(authMethod, conf);
    UserGroupInformation.setConfiguration(conf);
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  /**
   *
   * @return true if delegation token operation is allowed
   */
  private boolean isAllowedDelegationTokenOp() throws IOException {
    AuthenticationMethod authMethod = UserGroupInformation
        .getRealAuthenticationMethod(UserGroupInformation.getCurrentUser());
    if (UserGroupInformation.isSecurityEnabled()
        && (authMethod != AuthenticationMethod.KERBEROS)) {
      return false;
    }
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  /**
   *
   * @return true if delegation token operation is allowed
   */
  private boolean isAllowedDelegationTokenOp() throws IOException {
    AuthenticationMethod authMethod = getConnectionAuthenticationMethod();
    if (UserGroupInformation.isSecurityEnabled()
        && (authMethod != AuthenticationMethod.KERBEROS)
        && (authMethod != AuthenticationMethod.KERBEROS_SSL)
        && (authMethod != AuthenticationMethod.CERTIFICATE)) {
      return false;
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   * @throws IOException
   */
  private AuthenticationMethod getConnectionAuthenticationMethod()
      throws IOException {
    UserGroupInformation ugi = getRemoteUser();
    AuthenticationMethod authMethod = ugi.getAuthenticationMethod();
    if (authMethod == AuthenticationMethod.PROXY) {
      authMethod = ugi.getRealUser().getAuthenticationMethod();
    }
    return authMethod;
  }
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  /**
   *
   * @return true if delegation token operation is allowed
   */
  private boolean isAllowedDelegationTokenOp() throws IOException {
    AuthenticationMethod authMethod = getConnectionAuthenticationMethod();
    if (UserGroupInformation.isSecurityEnabled()
        && (authMethod != AuthenticationMethod.KERBEROS)
        && (authMethod != AuthenticationMethod.KERBEROS_SSL)
        && (authMethod != AuthenticationMethod.CERTIFICATE)) {
      return false;
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   * @throws IOException
   */
  private AuthenticationMethod getConnectionAuthenticationMethod()
      throws IOException {
    UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
    AuthenticationMethod authMethod = ugi.getAuthenticationMethod();
    if (authMethod == AuthenticationMethod.PROXY) {
      authMethod = ugi.getRealUser().getAuthenticationMethod();
    }
    return authMethod;
  }
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  }

  @Test
  public void testUGIAuthMethod() throws Exception {
    final UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
    final AuthenticationMethod am = AuthenticationMethod.KERBEROS;
    ugi.setAuthenticationMethod(am);
    Assert.assertEquals(am, ugi.getAuthenticationMethod());
    ugi.doAs(new PrivilegedExceptionAction<Object>() {
      @Override
      public Object run() throws IOException {
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  @Test
  public void testUGIAuthMethodInRealUser() throws Exception {
    final UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
    UserGroupInformation proxyUgi = UserGroupInformation.createProxyUser(
        "proxy", ugi);
    final AuthenticationMethod am = AuthenticationMethod.KERBEROS;
    ugi.setAuthenticationMethod(am);
    Assert.assertEquals(am, ugi.getAuthenticationMethod());
    Assert.assertEquals(AuthenticationMethod.PROXY,
                        proxyUgi.getAuthenticationMethod());
    Assert.assertEquals(am, UserGroupInformation
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  public GetDelegationTokenResponse getDelegationToken(
      GetDelegationTokenRequest request) throws YarnRemoteException {
    try {

      // Verify that the connection is kerberos authenticated
      AuthenticationMethod authMethod = UserGroupInformation
        .getRealAuthenticationMethod(UserGroupInformation.getCurrentUser());
      if (UserGroupInformation.isSecurityEnabled()
          && (authMethod != AuthenticationMethod.KERBEROS)) {
        throw new IOException(
          "Delegation Token can be issued only with kerberos authentication");
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