| /** |
| * 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.server.resourcemanager.security; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.crypto.SecretKey; |
| import com.google.common.annotations.VisibleForTesting; |
| |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.security.client.BaseClientToAMTokenSecretManager; |
| |
| public class ClientToAMTokenSecretManagerInRM extends |
| BaseClientToAMTokenSecretManager { |
| |
| // Per application master-keys for managing client-tokens |
| private Map<ApplicationAttemptId, SecretKey> masterKeys = |
| new HashMap<ApplicationAttemptId, SecretKey>(); |
| |
| public synchronized SecretKey createMasterKey( |
| ApplicationAttemptId applicationAttemptID) { |
| return generateSecret(); |
| } |
| |
| public synchronized void registerApplication( |
| ApplicationAttemptId applicationAttemptID, SecretKey key) { |
| this.masterKeys.put(applicationAttemptID, key); |
| } |
| |
| // Only for RM recovery |
| public synchronized SecretKey registerMasterKey( |
| ApplicationAttemptId applicationAttemptID, byte[] keyData) { |
| SecretKey key = createSecretKey(keyData); |
| registerApplication(applicationAttemptID, key); |
| return key; |
| } |
| |
| public synchronized void unRegisterApplication( |
| ApplicationAttemptId applicationAttemptID) { |
| this.masterKeys.remove(applicationAttemptID); |
| } |
| |
| @Override |
| public synchronized SecretKey getMasterKey( |
| ApplicationAttemptId applicationAttemptID) { |
| return this.masterKeys.get(applicationAttemptID); |
| } |
| |
| @VisibleForTesting |
| public synchronized boolean hasMasterKey( |
| ApplicationAttemptId applicationAttemptID) { |
| return this.masterKeys.containsKey(applicationAttemptID); |
| } |
| } |