com.mapr.hadoop.yarn.nodemanager

Class MapRTicketLocalizer

java.lang.Object

com.mapr.hadoop.yarn.nodemanager.MapRTicketLocalizer

All Implemented Interfaces:

org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.security.ExternalTokenLocalizer

public class MapRTicketLocalizer
extends java.lang.Object
implements org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.security.ExternalTokenLocalizer

Localizer for MapR ticket. It expects the ticket to be already present in MapRFS. If not, it will result in YarnRuntimeException.

Note: Only a single instance of this class should be maintained per NodeManager process since some global state information is maintained here.

Constructor Summary

Constructors

Constructor and Description
MapRTicketLocalizer()

Method Summary

Modifier and Type	Method and Description
void	cleanup(org.apache.hadoop.yarn.api.records.ApplicationId appId)
java.lang.String	getTokenEnvVar()
org.apache.hadoop.fs.Path	getTokenPath(java.lang.String appIdStr, org.apache.hadoop.conf.Configuration conf)
void	run(org.apache.hadoop.yarn.api.records.ContainerId containerId, java.lang.String username, 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

MapRTicketLocalizer

public MapRTicketLocalizer()

Method Detail

run

public void run(org.apache.hadoop.yarn.api.records.ContainerId containerId,
                java.lang.String username,
                org.apache.hadoop.conf.Configuration conf)

Specified by:

run in interface org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.security.ExternalTokenLocalizer

getTokenPath

public org.apache.hadoop.fs.Path getTokenPath(java.lang.String appIdStr,
                                              org.apache.hadoop.conf.Configuration conf)

Specified by:

getTokenPath in interface org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.security.ExternalTokenLocalizer

getTokenEnvVar

public java.lang.String getTokenEnvVar()

Specified by:

getTokenEnvVar in interface org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.security.ExternalTokenLocalizer

cleanup

public void cleanup(org.apache.hadoop.yarn.api.records.ApplicationId appId)

Specified by:

cleanup in interface org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.security.ExternalTokenLocalizer