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Posted to common-issues@hadoop.apache.org by "Kai Zheng (JIRA)" <ji...@apache.org> on 2013/07/30 10:35:50 UTC

[jira] [Created] (HADOOP-9797) Pluggable and compatible UGI change

Kai Zheng created HADOOP-9797:
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             Summary: Pluggable and compatible UGI change
                 Key: HADOOP-9797
                 URL: https://issues.apache.org/jira/browse/HADOOP-9797
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: security
            Reporter: Kai Zheng
            Assignee: Kai Zheng
             Fix For: 3.0.0


As already widely discussed current UGI related classes needs to be improved in many aspects. This is to improve and make UGI so that it can be: 
 
* Pluggable, new authentication method with its login module can be dynamically registered and plugged without having to change the UGI class;

* Extensible, login modules with their options can be dynamically extended and customized so that can be reusable elsewhere, like in TokenAuth;
 
* No Kerberos relevant, remove any Kerberos relevant functionalities out of it to make it simple and suitable for other login mechanisms; 

* Of appropriate abstraction and API, with improved abstraction and API it’s possible to allow authentication implementations not using JAAS modules;

* Compatible, should be compatible with previous deployment and authentication methods, so the existing APIs won’t be removed and some of them are just to be deprecated.


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