org.apache.flink.runtime.security.token.hadoop

Class KerberosLoginProvider

java.lang.Object

org.apache.flink.runtime.security.token.hadoop.KerberosLoginProvider

@Internal
public class KerberosLoginProvider
extends Object

Provides Kerberos login functionality.

Constructor Summary

Constructors

Constructor and Description
KerberosLoginProvider(org.apache.flink.configuration.Configuration configuration)
KerberosLoginProvider(SecurityConfiguration securityConfiguration)

Method Summary

Modifier and Type	Method and Description
void	doLogin(boolean supportProxyUser) Does kerberos login and sets current user.
org.apache.hadoop.security.UserGroupInformation	doLoginAndReturnUGI() Does kerberos login and doesn't set current user, just returns a new UGI instance.
boolean	isLoginPossible(boolean supportProxyUser)

Methods inherited from class java.lang.Object

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

Constructor Detail

KerberosLoginProvider

public KerberosLoginProvider(org.apache.flink.configuration.Configuration configuration)

KerberosLoginProvider

public KerberosLoginProvider(SecurityConfiguration securityConfiguration)

Method Detail

isLoginPossible

public boolean isLoginPossible(boolean supportProxyUser)
                        throws IOException

Throws:

IOException

doLogin

public void doLogin(boolean supportProxyUser)
             throws IOException

Does kerberos login and sets current user. Must be called when isLoginPossible returns true.

Throws:

IOException

doLoginAndReturnUGI

public org.apache.hadoop.security.UserGroupInformation doLoginAndReturnUGI()
                                                                    throws IOException

Does kerberos login and doesn't set current user, just returns a new UGI instance. Must be called when isLoginPossible returns true.

Throws:

IOException