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 storm_conf) Invoked once immediately after construction
String	toLocal(Principal principal) Convert a Principal to a local user name.

Method Detail

prepare

void prepare(Map storm_conf)

Invoked once immediately after construction

Parameters:

storm_conf - Storm configuration

toLocal

String toLocal(Principal principal)

Convert a Principal to a local user name.

Parameters:

principal - the principal to convert

Returns:

The local user name.