backtype.storm.security

Interface INimbusCredentialPlugin

All Superinterfaces:

Shutdownable

public interface INimbusCredentialPlugin
extends Shutdownable

Nimbus auto credential plugin that will be called on nimbus host during submit topology option. User can specify a list of implementation using config key nimbus.autocredential.plugins.classes.

Method Summary

Methods

Modifier and Type	Method and Description
void	populateCredentials(Map<String,String> credentials, Map conf) Method that will be called on nimbus as part of submit topology.
void	prepare(Map conf) this method will be called when nimbus initializes.

Methods inherited from interface backtype.storm.daemon.Shutdownable

shutdown

Method Detail

prepare

void prepare(Map conf)

this method will be called when nimbus initializes.

Parameters:

conf -

populateCredentials

void populateCredentials(Map<String,String> credentials,
                       Map conf)

Method that will be called on nimbus as part of submit topology. This plugin will be called at least once during the submit Topology action. It will be not be called during activate instead the credentials return by this method will be merged with the other credentials in the topology and stored in zookeeper.

Parameters:

credentials - credentials map where more credentials will be added.

conf - topology configuration