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List:       hadoop-dev
Subject:    [jira] [Created] (HADOOP-9797) Pluggable and compatible UGI change
From:       "Kai Zheng (JIRA)" <jira () apache ! org>
Date:       2013-07-30 8:35:50
Message-ID: JIRA.12660595.1375173338301.134990.1375173350248 () arcas
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Kai Zheng created HADOOP-9797:
---------------------------------

             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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