From a445b82baaa58dcaaa3831e724a9915e9dde57c5 Mon Sep 17 00:00:00 2001
From: Andrew Wang <wang@apache.org>
Date: Fri, 26 Aug 2016 15:39:18 -0700
Subject: [PATCH] HDFS-10793. Fix HdfsAuditLogger binary incompatibility
 introduced by HDFS-9184. Contributed by Manoj Govindassamy.

---
 .../hdfs/server/namenode/FSNamesystem.java    | 10 ++++++++
 .../hdfs/server/namenode/HdfsAuditLogger.java | 23 +++++++++++++++----
 2 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
index 05fd709cfb7..52fbaa7c7f5 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
@@ -7010,6 +7010,16 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
         logAuditMessage(sb.toString());
       }
     }
+
+    @Override
+    public void logAuditEvent(boolean succeeded, String userName,
+        InetAddress addr, String cmd, String src, String dst,
+        FileStatus status, UserGroupInformation ugi,
+        DelegationTokenSecretManager dtSecretManager) {
+      this.logAuditEvent(succeeded, userName, addr, cmd, src, dst, status,
+              null /*CallerContext*/, ugi, dtSecretManager);
+    }
+
     public void logAuditMessage(String message) {
       auditLog.info(message);
     }
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/HdfsAuditLogger.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/HdfsAuditLogger.java
index 3e95ce1ece6..894c4df1945 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/HdfsAuditLogger.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/HdfsAuditLogger.java
@@ -43,9 +43,9 @@ public abstract class HdfsAuditLogger implements AuditLogger {
 
   /**
    * Same as
-   * {@link #logAuditEvent(boolean, String, InetAddress, String, String, String, FileStatus)}
-   * with additional parameters related to logging delegation token tracking
-   * IDs.
+   * {@link #logAuditEvent(boolean, String, InetAddress, String, String, String,
+   * FileStatus)} with additional parameters related to logging delegation token
+   * tracking IDs.
    * 
    * @param succeeded Whether authorization succeeded.
    * @param userName Name of the user executing the request.
@@ -55,13 +55,28 @@ public abstract class HdfsAuditLogger implements AuditLogger {
    * @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).
+   * @param callerContext Context information of the caller
    * @param ugi UserGroupInformation of the current user, or null if not logging
    *          token tracking information
    * @param dtSecretManager The token secret manager, or null if not logging
    *          token tracking information
    */
-  public abstract void logAuditEvent(boolean succeeded, String userName,
+  public void logAuditEvent(boolean succeeded, String userName,
       InetAddress addr, String cmd, String src, String dst,
       FileStatus stat, CallerContext callerContext, UserGroupInformation ugi,
+      DelegationTokenSecretManager dtSecretManager) {
+    logAuditEvent(succeeded, userName, addr, cmd, src, dst, stat,
+                  ugi, dtSecretManager);
+  }
+
+  /**
+   * Same as
+   * {@link #logAuditEvent(boolean, String, InetAddress, String, String,
+   * String, FileStatus, CallerContext, UserGroupInformation,
+   * DelegationTokenSecretManager)} without {@link CallerContext} information.
+   */
+  public abstract void logAuditEvent(boolean succeeded, String userName,
+      InetAddress addr, String cmd, String src, String dst,
+      FileStatus stat, UserGroupInformation ugi,
       DelegationTokenSecretManager dtSecretManager);
 }