hadoop ClientHSSecurityInfo 源码

2022-10-20
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haddop ClientHSSecurityInfo 代码

文件路径：/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/security/client/ClientHSSecurityInfo.java

/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package org.apache.hadoop.mapreduce.v2.security.client;

import java.lang.annotation.Annotation;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapreduce.v2.api.HSClientProtocolPB;
import org.apache.hadoop.mapreduce.v2.jobhistory.JHAdminConfig;
import org.apache.hadoop.security.KerberosInfo;
import org.apache.hadoop.security.SecurityInfo;
import org.apache.hadoop.security.token.TokenIdentifier;
import org.apache.hadoop.security.token.TokenInfo;
import org.apache.hadoop.security.token.TokenSelector;

public class ClientHSSecurityInfo extends SecurityInfo {
    
  @Override
  public KerberosInfo getKerberosInfo(Class<?> protocol, Configuration conf) {
    if (!protocol
        .equals(HSClientProtocolPB.class)) {
      return null;
    }
    return new KerberosInfo() {

      @Override
      public Class<? extends Annotation> annotationType() {
        return null;
      }

      @Override
      public String serverPrincipal() {
        return JHAdminConfig.MR_HISTORY_PRINCIPAL;
      }

      @Override
      public String clientPrincipal() {
        return null;
      }
    };
  }

  @Override
  public TokenInfo getTokenInfo(Class<?> protocol, Configuration conf) {
    if (!protocol
        .equals(HSClientProtocolPB.class)) {
      return null;
    }
    return new TokenInfo() {

      @Override
      public Class<? extends Annotation> annotationType() {
        return null;
      }

      @Override
      public Class<? extends TokenSelector<? extends TokenIdentifier>>
          value() {
        return ClientHSTokenSelector.class;
      }
    };  }

}

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