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;
020
021 import java.io.DataInput;
022 import java.io.DataOutput;
023 import java.io.IOException;
024
025 import org.apache.commons.logging.Log;
026 import org.apache.commons.logging.LogFactory;
027 import org.apache.hadoop.classification.InterfaceAudience.Public;
028 import org.apache.hadoop.classification.InterfaceStability.Evolving;
029 import org.apache.hadoop.io.Text;
030 import org.apache.hadoop.security.UserGroupInformation;
031 import org.apache.hadoop.security.token.TokenIdentifier;
032 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
033 import org.apache.hadoop.yarn.api.records.ApplicationId;
034 import org.apache.hadoop.yarn.api.records.NodeId;
035
036 @Public
037 @Evolving
038 public class NMTokenIdentifier extends TokenIdentifier {
039
040 private static Log LOG = LogFactory.getLog(NMTokenIdentifier.class);
041
042 public static final Text KIND = new Text("NMToken");
043
044 private ApplicationAttemptId appAttemptId;
045 private NodeId nodeId;
046 private String appSubmitter;
047 private int keyId;
048
049 public NMTokenIdentifier(ApplicationAttemptId appAttemptId, NodeId nodeId,
050 String applicationSubmitter, int masterKeyId) {
051 this.appAttemptId = appAttemptId;
052 this.nodeId = nodeId;
053 this.appSubmitter = applicationSubmitter;
054 this.keyId = masterKeyId;
055 }
056
057 /**
058 * Default constructor needed by RPC/Secret manager
059 */
060 public NMTokenIdentifier() {
061 }
062
063 public ApplicationAttemptId getApplicationAttemptId() {
064 return appAttemptId;
065 }
066
067 public NodeId getNodeId() {
068 return nodeId;
069 }
070
071 public String getApplicationSubmitter() {
072 return appSubmitter;
073 }
074
075 public int getKeyId() {
076 return keyId;
077 }
078
079 @Override
080 public void write(DataOutput out) throws IOException {
081 LOG.debug("Writing NMTokenIdentifier to RPC layer: " + this);
082 ApplicationId applicationId = appAttemptId.getApplicationId();
083 out.writeLong(applicationId.getClusterTimestamp());
084 out.writeInt(applicationId.getId());
085 out.writeInt(appAttemptId.getAttemptId());
086 out.writeUTF(this.nodeId.toString());
087 out.writeUTF(this.appSubmitter);
088 out.writeInt(this.keyId);
089 }
090
091 @Override
092 public void readFields(DataInput in) throws IOException {
093 appAttemptId =
094 ApplicationAttemptId.newInstance(
095 ApplicationId.newInstance(in.readLong(), in.readInt()),
096 in.readInt());
097 String[] hostAddr = in.readUTF().split(":");
098 nodeId = NodeId.newInstance(hostAddr[0], Integer.parseInt(hostAddr[1]));
099 appSubmitter = in.readUTF();
100 keyId = in.readInt();
101 }
102
103 @Override
104 public Text getKind() {
105 return KIND;
106 }
107
108 @Override
109 public UserGroupInformation getUser() {
110 return UserGroupInformation.createRemoteUser(appAttemptId.toString());
111 }
112 }