Package org.apache.hadoop.util

Class MapRCommonSecurityUtil

java.lang.Object

org.apache.hadoop.util.MapRCommonSecurityUtil

public class MapRCommonSecurityUtil
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	DEFAULT_INSTALL_LOCATION

Method Summary

Modifier and Type	Method	Description
java.lang.String	getClusterName()
java.util.Set<java.lang.String>	getClustersNamesList()
static MapRCommonSecurityUtil	getInstance()
java.lang.String	getUserTicketAndKeyFileLocation()	Obtains the full path name of the file containing the user ticket.
void	init()
boolean	isSecurityEnabled()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_INSTALL_LOCATION

public static final java.lang.String DEFAULT_INSTALL_LOCATION

See Also:

Constant Field Values

Method Detail

getInstance

public static MapRCommonSecurityUtil getInstance()

init

public void init()

getUserTicketAndKeyFileLocation

public java.lang.String getUserTicketAndKeyFileLocation()
                                                 throws MapRCommonSecurityException

Obtains the full path name of the file containing the user ticket. This is determined as follows:

• If the environment variable MAPR_TICKETFILE_LOCATION is set, then return the value of this environment variable.
• Otherwise, the default location of the user ticket is as follows:
  • For Windows, this is at %TEMP%\maprticket_<username>. Example: C:\Temp\maprticket_joe.
  • For all other operating systems, this is at /tmp/maprticket_<uid> where <uid> is the effective UID of calling process.

Returns:

The full path name of the file containing the user ticket.

Throws:

MapRCommonSecurityException - Thrown when the location of the user ticket cannot be determined

isSecurityEnabled

public boolean isSecurityEnabled()

getClusterName

public java.lang.String getClusterName()

getClustersNamesList

public java.util.Set<java.lang.String> getClustersNamesList()