org.apache.storm.hdfs.security

Class AutoHDFS

java.lang.Object

org.apache.storm.common.AbstractHadoopAutoCreds

org.apache.storm.hdfs.security.AutoHDFS

All Implemented Interfaces:

CredentialKeyProvider, IAutoCredentials

public class AutoHDFS
extends AbstractHadoopAutoCreds

Auto credentials plugin for HDFS implementation. This class provides a way to automatically push credentials to a topology and to retrieve them in the worker.

Constructor Summary

Constructors

Constructor and Description
AutoHDFS()

Method Summary

Modifier and Type	Method and Description
void	doPrepare(Map<String,Object> conf) Prepare the plugin.
protected String	getConfigKeyString() The lookup key for the config key string.
String	getCredentialKey(String configKey) The lookup key for the config key string.

Methods inherited from class org.apache.storm.common.AbstractHadoopAutoCreds

getCredentials, populateCredentials, populateSubject, prepare, updateSubject

Methods inherited from class java.lang.Object

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

Constructor Detail

AutoHDFS

public AutoHDFS()

Method Detail

doPrepare

public void doPrepare(Map<String,Object> conf)

Description copied from class: AbstractHadoopAutoCreds

Prepare the plugin.

Specified by:

doPrepare in class AbstractHadoopAutoCreds

Parameters:

conf - the topology conf

getConfigKeyString

protected String getConfigKeyString()

Description copied from class: AbstractHadoopAutoCreds

The lookup key for the config key string.

Specified by:

getConfigKeyString in class AbstractHadoopAutoCreds

Returns:

the config key string

getCredentialKey

public String getCredentialKey(String configKey)

Description copied from interface: CredentialKeyProvider

The lookup key for the config key string.

Returns:

the config key string