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

Class HadoopFSDelegationTokenProvider

java.lang.Object

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

All Implemented Interfaces:

org.apache.flink.core.security.token.DelegationTokenProvider

@Internal
public class HadoopFSDelegationTokenProvider
extends Object
implements org.apache.flink.core.security.token.DelegationTokenProvider

Delegation token provider for Hadoop filesystems.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.core.security.token.DelegationTokenProvider

org.apache.flink.core.security.token.DelegationTokenProvider.ObtainedDelegationTokens

Field Summary

Fields inherited from interface org.apache.flink.core.security.token.DelegationTokenProvider

CONFIG_PREFIX

Constructor Summary

Constructors

Constructor	Description
HadoopFSDelegationTokenProvider()

Method Summary

Modifier and Type	Method	Description
boolean	delegationTokensRequired()
void	init(org.apache.flink.configuration.Configuration configuration)
org.apache.flink.core.security.token.DelegationTokenProvider.ObtainedDelegationTokens	obtainDelegationTokens()
protected void	obtainDelegationTokens(String renewer, Set<org.apache.hadoop.fs.FileSystem> fileSystemsToAccess, org.apache.hadoop.security.Credentials credentials)
String	serviceName()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.core.security.token.DelegationTokenProvider

serviceConfigPrefix

Constructor Detail

HadoopFSDelegationTokenProvider

public HadoopFSDelegationTokenProvider()

Method Detail

serviceName

public String serviceName()

Specified by:

serviceName in interface org.apache.flink.core.security.token.DelegationTokenProvider

init

public void init(org.apache.flink.configuration.Configuration configuration)
          throws Exception

Specified by:

init in interface org.apache.flink.core.security.token.DelegationTokenProvider

Throws:

Exception

delegationTokensRequired

public boolean delegationTokensRequired()
                                 throws Exception

Specified by:

delegationTokensRequired in interface org.apache.flink.core.security.token.DelegationTokenProvider

Throws:

Exception

obtainDelegationTokens

public org.apache.flink.core.security.token.DelegationTokenProvider.ObtainedDelegationTokens obtainDelegationTokens()
                                                                                                             throws Exception

Specified by:

obtainDelegationTokens in interface org.apache.flink.core.security.token.DelegationTokenProvider

Throws:

Exception

obtainDelegationTokens

protected void obtainDelegationTokens(@Nullable
                                      String renewer,
                                      Set<org.apache.hadoop.fs.FileSystem> fileSystemsToAccess,
                                      org.apache.hadoop.security.Credentials credentials)