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 */ 018 019 package org.apache.hadoop.yarn.security.client; 020 021 import java.lang.annotation.Annotation; 022 023 import org.apache.hadoop.classification.InterfaceAudience.Public; 024 import org.apache.hadoop.classification.InterfaceStability.Stable; 025 import org.apache.hadoop.conf.Configuration; 026 import org.apache.hadoop.security.KerberosInfo; 027 import org.apache.hadoop.security.SecurityInfo; 028 import org.apache.hadoop.security.token.TokenIdentifier; 029 import org.apache.hadoop.security.token.TokenInfo; 030 import org.apache.hadoop.security.token.TokenSelector; 031 import org.apache.hadoop.yarn.api.ApplicationClientProtocolPB; 032 import org.apache.hadoop.yarn.conf.YarnConfiguration; 033 034 @Public 035 @Stable 036 public class ClientRMSecurityInfo extends SecurityInfo { 037 038 @Override 039 public KerberosInfo getKerberosInfo(Class<?> protocol, Configuration conf) { 040 if (!protocol 041 .equals(ApplicationClientProtocolPB.class)) { 042 return null; 043 } 044 return new KerberosInfo() { 045 046 @Override 047 public Class<? extends Annotation> annotationType() { 048 return null; 049 } 050 051 @Override 052 public String serverPrincipal() { 053 return YarnConfiguration.RM_PRINCIPAL; 054 } 055 056 @Override 057 public String clientPrincipal() { 058 return null; 059 } 060 }; 061 } 062 063 @Override 064 public TokenInfo getTokenInfo(Class<?> protocol, Configuration conf) { 065 if (!protocol 066 .equals(ApplicationClientProtocolPB.class)) { 067 return null; 068 } 069 return new TokenInfo() { 070 071 @Override 072 public Class<? extends Annotation> annotationType() { 073 return null; 074 } 075 076 @Override 077 public Class<? extends TokenSelector<? extends TokenIdentifier>> 078 value() { 079 return RMDelegationTokenSelector.class; 080 } 081 }; 082 } 083 }