Package org.apache.hadoop.hdfs.server.namenode

Interface AuditLogger

All Known Implementing Classes:

DefaultAuditLogger, HdfsAuditLogger

@Public
@Evolving
public interface AuditLogger

Interface defining an audit logger.

Method Summary

Modifier and Type	Method	Description
void	initialize(Configuration conf)	Called during initialization of the logger.
void	logAuditEvent(boolean succeeded, String userName, InetAddress addr, String cmd, String src, String dst, FileStatus stat)	Called to log an audit event.

Method Details

initialize

void initialize(Configuration conf)

Called during initialization of the logger.

Parameters:

conf - The configuration object.

logAuditEvent

void logAuditEvent(boolean succeeded,
 String userName,
 InetAddress addr,
 String cmd,
 String src,
 String dst,
 FileStatus stat)

Called to log an audit event.

This method must return as quickly as possible, since it's called in a critical section of the NameNode's operation.

Parameters:

succeeded - Whether authorization succeeded.

userName - Name of the user executing the request.

addr - Remote address of the request.

cmd - The requested command.

src - Path of affected source file.

dst - Path of affected destination file (if any).

stat - File information for operations that change the file's metadata (permissions, owner, times, etc).