| /** |
| * 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 java.net.InetAddress; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| 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 org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSecretManager; |
| import org.apache.hadoop.ipc.CallerContext; |
| import org.apache.hadoop.security.UserGroupInformation; |
| |
| /** |
| * This class provides an interface for Namenode and Router to Audit events |
| * information. This class can be extended and can be used when no access logger |
| * is defined in the config file. |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Evolving |
| public abstract class DefaultAuditLogger extends HdfsAuditLogger { |
| protected static final ThreadLocal<StringBuilder> STRING_BUILDER = |
| new ThreadLocal<StringBuilder>() { |
| @Override |
| protected StringBuilder initialValue() { |
| return new StringBuilder(); |
| } |
| }; |
| |
| protected volatile boolean isCallerContextEnabled; |
| |
| /** The maximum bytes a caller context string can have. */ |
| protected int callerContextMaxLen; |
| protected int callerSignatureMaxLen; |
| |
| /** adds a tracking ID for all audit log events. */ |
| protected boolean logTokenTrackingId; |
| |
| /** List of commands to provide debug messages. */ |
| protected Set<String> debugCmdSet = new HashSet<>(); |
| |
| /** |
| * Enable or disable CallerContext. |
| * |
| * @param value true, enable CallerContext, otherwise false to disable it. |
| */ |
| void setCallerContextEnabled(final boolean value) { |
| isCallerContextEnabled = value; |
| } |
| |
| /** |
| * Get the value indicating if CallerContext is enabled. |
| * |
| * @return true, if CallerContext is enabled, otherwise false, if it's |
| * disabled. |
| */ |
| boolean getCallerContextEnabled() { |
| return isCallerContextEnabled; |
| } |
| |
| public abstract void initialize(Configuration conf); |
| |
| public abstract void logAuditMessage(String message); |
| |
| public abstract void logAuditEvent(boolean succeeded, String userName, |
| InetAddress addr, String cmd, String src, String dst, FileStatus status, |
| UserGroupInformation ugi, DelegationTokenSecretManager dtSecretManager); |
| |
| public abstract void logAuditEvent(boolean succeeded, String userName, |
| InetAddress addr, String cmd, String src, String dst, FileStatus status, |
| CallerContext callerContext, UserGroupInformation ugi, |
| DelegationTokenSecretManager dtSecretManager); |
| |
| } |