001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019package org.apache.hadoop.yarn.security.admin;
020
021import java.lang.annotation.Annotation;
022
023import org.apache.hadoop.classification.InterfaceAudience.Public;
024import org.apache.hadoop.classification.InterfaceStability.Stable;
025import org.apache.hadoop.conf.Configuration;
026import org.apache.hadoop.security.KerberosInfo;
027import org.apache.hadoop.security.SecurityInfo;
028import org.apache.hadoop.security.token.TokenInfo;
029import org.apache.hadoop.yarn.conf.YarnConfiguration;
030import org.apache.hadoop.yarn.server.api.ResourceManagerAdministrationProtocolPB;
031
032@Public
033@Stable
034public class AdminSecurityInfo extends SecurityInfo {
035
036  @Override
037  public KerberosInfo getKerberosInfo(Class<?> protocol, Configuration conf) {
038    if (!protocol.equals(ResourceManagerAdministrationProtocolPB.class)) {
039      return null;
040    }
041    return new KerberosInfo() {
042
043      @Override
044      public Class<? extends Annotation> annotationType() {
045        return null;
046      }
047
048      @Override
049      public String serverPrincipal() {
050        return YarnConfiguration.RM_PRINCIPAL;
051      }
052
053      @Override
054      public String clientPrincipal() {
055        return null;
056      }
057    };
058  }
059
060  @Override
061  public TokenInfo getTokenInfo(Class<?> protocol, Configuration conf) {
062    return null;
063  }
064
065}