Package org.apache.hadoop.security

Class AuthenticationFilterInitializer

java.lang.Object

org.apache.hadoop.http.FilterInitializer

org.apache.hadoop.security.AuthenticationFilterInitializer

public class AuthenticationFilterInitializer
extends FilterInitializer

Initializes hadoop-auth AuthenticationFilter which provides support for Kerberos HTTP SPNEGO authentication.

It enables anonymous access, simple/pseudo and Kerberos HTTP SPNEGO authentication for Hadoop JobTracker, NameNode, DataNodes and TaskTrackers.

Refer to the core-default.xml file, after the comment 'HTTP Authentication' for details on the configuration options. All related configuration properties have 'hadoop.http.authentication.' as prefix.

Constructor Summary

Constructors

Constructor	Description
AuthenticationFilterInitializer()

Method Summary

Modifier and Type	Method	Description
static Map<String,String>	getFilterConfigMap(Configuration conf, String prefix)
void	initFilter(FilterContainer container, Configuration conf)	Initializes hadoop-auth AuthenticationFilter.

Methods inherited from class java.lang.Object

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

Constructor Details

AuthenticationFilterInitializer

public AuthenticationFilterInitializer()

Method Details

initFilter

public void initFilter(FilterContainer container,
 Configuration conf)

Initializes hadoop-auth AuthenticationFilter.

Propagates to hadoop-auth AuthenticationFilter configuration all Hadoop configuration properties prefixed with "hadoop.http.authentication."

Specified by:

initFilter in class FilterInitializer

Parameters:

container - The filter container

conf - Configuration for run-time parameters

getFilterConfigMap

public static Map<String,String> getFilterConfigMap(Configuration conf,
 String prefix)