org.apache.hadoop.yarn.server.nodemanager

Class NMAuditLogger

java.lang.Object

org.apache.hadoop.yarn.server.nodemanager.NMAuditLogger

public class NMAuditLogger
extends Object

Manages NodeManager audit logs. Audit log format is written as key=value pairs. Tab separated.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NMAuditLogger.AuditConstants

Constructor Summary

Constructors

Constructor and Description
NMAuditLogger()

Method Summary

Modifier and Type	Method and Description
static void	logFailure(String user, String operation, String target, String description) Create a readable and parseable audit log string for a failed event.
static void	logFailure(String user, String operation, String target, String description, org.apache.hadoop.yarn.api.records.ApplicationId appId, org.apache.hadoop.yarn.api.records.ContainerId containerId) Create a readable and parseable audit log string for a failed event.
static void	logSuccess(String user, String operation, String target) Create a readable and parseable audit log string for a successful event.
static void	logSuccess(String user, String operation, String target, org.apache.hadoop.yarn.api.records.ApplicationId appId, org.apache.hadoop.yarn.api.records.ContainerId containerId) Create a readable and parseable audit log string for a successful event.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NMAuditLogger

public NMAuditLogger()

Method Detail

logSuccess

public static void logSuccess(String user,
                              String operation,
                              String target,
                              org.apache.hadoop.yarn.api.records.ApplicationId appId,
                              org.apache.hadoop.yarn.api.records.ContainerId containerId)

Create a readable and parseable audit log string for a successful event.

Parameters:

user - User who made the service request.

operation - Operation requested by the user

target - The target on which the operation is being performed.

appId - Application Id in which operation was performed.

containerId - Container Id in which operation was performed.

Note that the NMAuditLogger uses tabs ('\t') as a key-val delimiter and hence the value fields should not contains tabs ('\t').

logSuccess

public static void logSuccess(String user,
                              String operation,
                              String target)

Create a readable and parseable audit log string for a successful event.

Parameters:

user - User who made the service request.

operation - Operation requested by the user

target - The target on which the operation is being performed.

Note that the NMAuditLogger uses tabs ('\t') as a key-val delimiter and hence the value fields should not contains tabs ('\t').

logFailure

public static void logFailure(String user,
                              String operation,
                              String target,
                              String description,
                              org.apache.hadoop.yarn.api.records.ApplicationId appId,
                              org.apache.hadoop.yarn.api.records.ContainerId containerId)

Create a readable and parseable audit log string for a failed event.

Parameters:

user - User who made the service request.

operation - Operation requested by the user.

target - The target on which the operation is being performed.

description - Some additional information as to why the operation failed.

appId - ApplicationId in which operation was performed.

containerId - Container Id in which operation was performed.

Note that the NMAuditLogger uses tabs ('\t') as a key-val delimiter and hence the value fields should not contains tabs ('\t').

logFailure

public static void logFailure(String user,
                              String operation,
                              String target,
                              String description)

Create a readable and parseable audit log string for a failed event.

Parameters:

user - User who made the service request.

operation - Operation requested by the user.

target - The target on which the operation is being performed.

description - Some additional information as to why the operation failed.

Note that the NMAuditLogger uses tabs ('\t') as a key-val delimiter and hence the value fields should not contains tabs ('\t').