hadoop AuditLogger 源码
haddop AuditLogger 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/AuditLogger.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.hdfs.server.namenode;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileStatus;
import java.net.InetAddress;
/**
* Interface defining an audit logger.
*/
@InterfaceAudience.Public
@InterfaceStability.Evolving
public interface AuditLogger {
/**
* Called during initialization of the logger.
*
* @param conf The configuration object.
*/
void initialize(Configuration conf);
/**
* Called to log an audit event.
* <p>
* This method must return as quickly as possible, since it's called
* in a critical section of the NameNode's operation.
*
* @param succeeded Whether authorization succeeded.
* @param userName Name of the user executing the request.
* @param addr Remote address of the request.
* @param cmd The requested command.
* @param src Path of affected source file.
* @param dst Path of affected destination file (if any).
* @param stat File information for operations that change the file's
* metadata (permissions, owner, times, etc).
*/
void logAuditEvent(boolean succeeded, String userName,
InetAddress addr, String cmd, String src, String dst,
FileStatus stat);
}
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