org.apache.storm.security.auth

Interface IPrincipalToLocal

All Known Implementing Classes:

DefaultPrincipalToLocal, KerberosPrincipalToLocal

public interface IPrincipalToLocal

Storm can be configured to launch worker processed as a given user. Some transports need to map the Principal to a local user name.

Method Summary

Modifier and Type	Method and Description
void	prepare(Map<String,Object> topoConf) Invoked once immediately after construction.
default String	toLocal(Principal principal) Convert a Principal to a local user name.
String	toLocal(String principalName)

Method Detail

prepare

void prepare(Map<String,Object> topoConf)

Invoked once immediately after construction.

Parameters:

topoConf - Storm configuration

toLocal

default String toLocal(Principal principal)

Convert a Principal to a local user name.

Parameters:

principal - the principal to convert

Returns:

The local user name.

toLocal

String toLocal(String principalName)