| /** |
| * 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; |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| 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.Token; |
| 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.impl.pb.ApplicationAttemptIdPBImpl; |
| import org.apache.hadoop.yarn.proto.YarnSecurityTokenProtos.AMRMTokenIdentifierProto; |
| |
| import com.google.protobuf.TextFormat; |
| |
| /** |
| * AMRMTokenIdentifier is the TokenIdentifier to be used by |
| * ApplicationMasters to authenticate to the ResourceManager. |
| */ |
| @Public |
| @Evolving |
| public class AMRMTokenIdentifier extends TokenIdentifier { |
| |
| private static final Log LOG = LogFactory.getLog(AMRMTokenIdentifier.class); |
| |
| public static final Text KIND_NAME = new Text("YARN_AM_RM_TOKEN"); |
| private AMRMTokenIdentifierProto proto; |
| |
| public AMRMTokenIdentifier() { |
| } |
| |
| public AMRMTokenIdentifier(ApplicationAttemptId appAttemptId, |
| int masterKeyId) { |
| AMRMTokenIdentifierProto.Builder builder = |
| AMRMTokenIdentifierProto.newBuilder(); |
| if (appAttemptId != null) { |
| builder.setAppAttemptId( |
| ((ApplicationAttemptIdPBImpl)appAttemptId).getProto()); |
| } |
| builder.setKeyId(masterKeyId); |
| proto = builder.build(); |
| } |
| |
| @Private |
| public ApplicationAttemptId getApplicationAttemptId() { |
| if (!proto.hasAppAttemptId()) { |
| return null; |
| } |
| return new ApplicationAttemptIdPBImpl(proto.getAppAttemptId()); |
| } |
| |
| @Override |
| public void write(DataOutput out) throws IOException { |
| out.write(proto.toByteArray()); |
| } |
| |
| @Override |
| public void readFields(DataInput in) throws IOException { |
| byte[] data = IOUtils.readFullyToByteArray(in); |
| try { |
| proto = AMRMTokenIdentifierProto.parseFrom(data); |
| } catch (InvalidProtocolBufferException e) { |
| LOG.warn("Recovering old formatted token"); |
| readFieldsInOldFormat( |
| new DataInputStream(new ByteArrayInputStream(data))); |
| } |
| } |
| |
| private void readFieldsInOldFormat(DataInputStream in) throws IOException { |
| AMRMTokenIdentifierProto.Builder builder = |
| AMRMTokenIdentifierProto.newBuilder(); |
| long clusterTimeStamp = in.readLong(); |
| int appId = in.readInt(); |
| int attemptId = in.readInt(); |
| ApplicationId applicationId = |
| ApplicationId.newInstance(clusterTimeStamp, appId); |
| ApplicationAttemptId appAttemptId = |
| ApplicationAttemptId.newInstance(applicationId, attemptId); |
| builder.setAppAttemptId( |
| ((ApplicationAttemptIdPBImpl)appAttemptId).getProto()); |
| builder.setKeyId(in.readInt()); |
| proto = builder.build(); |
| } |
| |
| @Override |
| public Text getKind() { |
| return KIND_NAME; |
| } |
| |
| @Override |
| public UserGroupInformation getUser() { |
| String appAttemptId = null; |
| if (proto.hasAppAttemptId()) { |
| appAttemptId = |
| new ApplicationAttemptIdPBImpl(proto.getAppAttemptId()).toString(); |
| } |
| return UserGroupInformation.createRemoteUser(appAttemptId); |
| } |
| |
| public int getKeyId() { |
| return proto.getKeyId(); |
| } |
| |
| public AMRMTokenIdentifierProto getProto() { |
| return this.proto; |
| } |
| |
| // TODO: Needed? |
| @InterfaceAudience.Private |
| public static class Renewer extends Token.TrivialRenewer { |
| @Override |
| protected Text getKind() { |
| return KIND_NAME; |
| } |
| } |
| |
| @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()); |
| } |
| } |