| /** |
| * 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.yarn.security; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.DataInput; |
| import java.io.DataInputStream; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import com.google.protobuf.InvalidProtocolBufferException; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.classification.InterfaceAudience.Public; |
| import org.apache.hadoop.classification.InterfaceStability.Evolving; |
| import org.apache.hadoop.io.IOUtils; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.security.token.TokenIdentifier; |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl; |
| import org.apache.hadoop.yarn.api.records.impl.pb.NodeIdPBImpl; |
| import org.apache.hadoop.yarn.proto.YarnSecurityTokenProtos.NMTokenIdentifierProto; |
| |
| import com.google.protobuf.TextFormat; |
| |
| @Public |
| @Evolving |
| public class NMTokenIdentifier extends TokenIdentifier { |
| |
| private static Log LOG = LogFactory.getLog(NMTokenIdentifier.class); |
| |
| public static final Text KIND = new Text("NMToken"); |
| |
| private NMTokenIdentifierProto proto; |
| |
| public NMTokenIdentifier(ApplicationAttemptId appAttemptId, |
| NodeId nodeId, String applicationSubmitter, int masterKeyId) { |
| NMTokenIdentifierProto.Builder builder = NMTokenIdentifierProto.newBuilder(); |
| if (appAttemptId != null) { |
| builder.setAppAttemptId( |
| ((ApplicationAttemptIdPBImpl)appAttemptId).getProto()); |
| } |
| if (nodeId != null) { |
| builder.setNodeId(((NodeIdPBImpl)nodeId).getProto()); |
| } |
| builder.setAppSubmitter(applicationSubmitter); |
| builder.setKeyId(masterKeyId); |
| proto = builder.build(); |
| } |
| |
| /** |
| * Default constructor needed by RPC/Secret manager |
| */ |
| public NMTokenIdentifier() { |
| } |
| |
| public ApplicationAttemptId getApplicationAttemptId() { |
| if (!proto.hasAppAttemptId()) { |
| return null; |
| } |
| return new ApplicationAttemptIdPBImpl(proto.getAppAttemptId()); |
| } |
| |
| public NodeId getNodeId() { |
| if (!proto.hasNodeId()) { |
| return null; |
| } |
| return new NodeIdPBImpl(proto.getNodeId()); |
| } |
| |
| public String getApplicationSubmitter() { |
| return proto.getAppSubmitter(); |
| } |
| |
| public int getKeyId() { |
| return proto.getKeyId(); |
| } |
| |
| @Override |
| public void write(DataOutput out) throws IOException { |
| LOG.debug("Writing NMTokenIdentifier to RPC layer: " + this); |
| out.write(proto.toByteArray()); |
| } |
| |
| @Override |
| public void readFields(DataInput in) throws IOException { |
| byte[] data = IOUtils.readFullyToByteArray(in); |
| try { |
| proto = NMTokenIdentifierProto.parseFrom(data); |
| } catch (InvalidProtocolBufferException e) { |
| LOG.warn("Recovering old formatted token"); |
| readFieldsInOldFormat( |
| new DataInputStream(new ByteArrayInputStream(data))); |
| } |
| } |
| |
| private void readFieldsInOldFormat(DataInputStream in) throws IOException { |
| NMTokenIdentifierProto.Builder builder = |
| NMTokenIdentifierProto.newBuilder(); |
| |
| ApplicationAttemptId appAttemptId = |
| ApplicationAttemptId.newInstance( |
| ApplicationId.newInstance(in.readLong(), in.readInt()), |
| in.readInt()); |
| builder.setAppAttemptId(((ApplicationAttemptIdPBImpl)appAttemptId) |
| .getProto()); |
| String[] hostAddr = in.readUTF().split(":"); |
| NodeId nodeId = NodeId.newInstance(hostAddr[0], |
| Integer.parseInt(hostAddr[1])); |
| builder.setNodeId(((NodeIdPBImpl)nodeId).getProto()); |
| builder.setAppSubmitter(in.readUTF()); |
| builder.setKeyId(in.readInt()); |
| proto = builder.build(); |
| } |
| |
| @Override |
| public Text getKind() { |
| return KIND; |
| } |
| |
| @Override |
| public UserGroupInformation getUser() { |
| String appAttemptId = null; |
| if (proto.hasAppAttemptId()) { |
| appAttemptId = new ApplicationAttemptIdPBImpl( |
| proto.getAppAttemptId()).toString(); |
| } |
| return UserGroupInformation.createRemoteUser(appAttemptId); |
| } |
| |
| public NMTokenIdentifierProto getProto() { |
| return proto; |
| } |
| |
| @Override |
| public int hashCode() { |
| return getProto().hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (other == null) |
| return false; |
| if (other.getClass().isAssignableFrom(this.getClass())) { |
| return this.getProto().equals(this.getClass().cast(other).getProto()); |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| return TextFormat.shortDebugString(getProto()); |
| } |
| } |