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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8458) Add management hook to AuthenticationHandler to enable delegation token operations support
Date Thu, 31 May 2012 17:46:22 GMT
Alejandro Abdelnur created HADOOP-8458:
------------------------------------------

             Summary: Add management hook to AuthenticationHandler to enable delegation token
operations support
                 Key: HADOOP-8458
                 URL: https://issues.apache.org/jira/browse/HADOOP-8458
             Project: Hadoop Common
          Issue Type: New Feature
          Components: security
    Affects Versions: 2.0.1-alpha
            Reporter: Alejandro Abdelnur
            Assignee: Alejandro Abdelnur
             Fix For: 2.0.1-alpha


Currently hadoop-auth AuthenticationHandler only authenticates a request.

While it can easily be extended to authenticate delegation tokens, it cannot handle the delegation
token get/renew/cancel operations.

The motivation of this new feature is that the above delegation token operations should be
handled by a security component (hadoop-auth) instead of a functional component (httpfs implementation).
Ideally we should have a complete separation of concerns between delegation token management
and FileSystem/MapReduce/YARN API, but we don't. This change is a step on that directory for
HTTP based services (like HttpFS).

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