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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