org.apache.oozie.action.hadoop

Interface CredentialsProvider

All Known Implementing Classes:

HbaseCredentials, HCatCredentials, HDFSCredentials, Hive2Credentials, JHSCredentials, YarnRMCredentials

public interface CredentialsProvider

Method Summary

Modifier and Type	Method and Description
void	updateCredentials(org.apache.hadoop.security.Credentials credentials, org.apache.hadoop.conf.Configuration config, CredentialsProperties props, ActionExecutor.Context context) This is the interface for all the Credentials implementation.

Method Detail

updateCredentials

void updateCredentials(org.apache.hadoop.security.Credentials credentials,
                       org.apache.hadoop.conf.Configuration config,
                       CredentialsProperties props,
                       ActionExecutor.Context context)
                throws Exception

This is the interface for all the Credentials implementation. Any new credential implementation must implement this function. This function should modify the configuration which will be used further to pass the credentials to the tasks while running it. Credentials properties and context is also provided by that user can get all the necessary configuration.

Parameters:

credentials - the credentials object which is updated

config - launcher AM configuration

props - properties for getting credential token or certificate

context - workflow context

Throws:

Exception - thrown if failed