hadoop ClientToAMTokenSecretManagerInRM 源码
haddop ClientToAMTokenSecretManagerInRM 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/security/ClientToAMTokenSecretManagerInRM.java
/**
* 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 org.apache.hadoop.classification.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);
}
}
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