org.apache.hadoop.hbase.security.token

Class ClientTokenUtil

java.lang.Object

org.apache.hadoop.hbase.security.token.ClientTokenUtil

@InterfaceAudience.Public
public final class ClientTokenUtil
extends Object

Utility methods for obtaining authentication tokens, that do not require hbase-server.

Method Summary

Modifier and Type	Method and Description
static void	obtainAndCacheToken(Connection conn, User user) Obtain an authentication token for the given user and add it to the user's credentials.
static org.apache.hadoop.security.token.Token<AuthenticationTokenIdentifier>	obtainToken(Connection conn) Obtain and return an authentication token for the current user.

Methods inherited from class java.lang.Object

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

Method Detail

obtainToken

@InterfaceAudience.Private
public static org.apache.hadoop.security.token.Token<AuthenticationTokenIdentifier> obtainToken(Connection conn)
                                                                                                                    throws IOException

Obtain and return an authentication token for the current user.

Parameters:

conn - The HBase cluster connection

Returns:

the authentication token instance

Throws:

IOException - if a remote error or serialization problem occurs.

obtainAndCacheToken

public static void obtainAndCacheToken(Connection conn,
                                       User user)
                                throws IOException,
                                       InterruptedException

Obtain an authentication token for the given user and add it to the user's credentials.

Parameters:

conn - The HBase cluster connection

user - The user for whom to obtain the token

Throws:

IOException - If making a remote call to the authentication service fails

InterruptedException - If executing as the given user is interrupted