Package org.apache.hadoop.yarn.security

Class AbstractMapRTicketGenerator

java.lang.Object

org.apache.hadoop.yarn.security.AbstractMapRTicketGenerator

public abstract class AbstractMapRTicketGenerator
extends java.lang.Object

Handler to respond to a newly registered application with ResourceManager. It creates a MapR ticket for the application and stores it in MapRFS. The NodeManager will localize this ticket and make it available to the tasks.

Constructor Summary

Constructors

Constructor	Description
AbstractMapRTicketGenerator()

Method Summary

Modifier and Type	Method	Description
abstract void	generateMapRLoginTicket(org.apache.hadoop.yarn.api.records.ApplicationId appId, java.lang.String username, org.apache.hadoop.conf.Configuration conf)	Generates MapR Ticket for current cluster and write it to system directory of the application.
void	generateToken(org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext appCtx, java.lang.String username, org.apache.hadoop.conf.Configuration conf)
void	removeToken(org.apache.hadoop.yarn.api.records.ApplicationId appId, org.apache.hadoop.conf.Configuration conf)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractMapRTicketGenerator

public AbstractMapRTicketGenerator()

Method Detail

generateToken

public void generateToken(org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext appCtx,
                          java.lang.String username,
                          org.apache.hadoop.conf.Configuration conf)

removeToken

public void removeToken(org.apache.hadoop.yarn.api.records.ApplicationId appId,
                        org.apache.hadoop.conf.Configuration conf)

generateMapRLoginTicket

public abstract void generateMapRLoginTicket(org.apache.hadoop.yarn.api.records.ApplicationId appId,
                                             java.lang.String username,
                                             org.apache.hadoop.conf.Configuration conf)
                                      throws java.io.IOException

Generates MapR Ticket for current cluster and write it to system directory of the application. If there is an existing ticket in the staging directory, it is merged with the newly created ticket. The existing ticket is needed as it could be for a different cluster.

Parameters:

appId - application id

username - username

conf - configuration

Throws:

java.io.IOException - if ticket generation fails