Package com.mapr.security

Class MapRTicketGenerator

java.lang.Object

org.apache.hadoop.yarn.security.AbstractMapRTicketGenerator

com.mapr.security.MapRTicketGenerator

public class MapRTicketGenerator
extends org.apache.hadoop.yarn.security.AbstractMapRTicketGenerator

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
MapRTicketGenerator()

Method Summary

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

Methods inherited from class org.apache.hadoop.yarn.security.AbstractMapRTicketGenerator

generateToken, removeToken

Methods inherited from class java.lang.Object

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

Constructor Details

MapRTicketGenerator

public MapRTicketGenerator()

Method Details

generateMapRLoginTicket

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

Specified by:

generateMapRLoginTicket in class org.apache.hadoop.yarn.security.AbstractMapRTicketGenerator

Parameters:

appId - application id

username - username

conf - configuration

Throws:

IOException - if ticket generation fails