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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3100) Make YARN authorization pluggable
Date Tue, 03 Feb 2015 20:41:36 GMT

    [ https://issues.apache.org/jira/browse/YARN-3100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14303940#comment-14303940
] 

Allen Wittenauer commented on YARN-3100:
----------------------------------------

Let me summarize the discussion so far, from my understanding:

* The authorize.* package in common provides services some pretty generic ACL functionality.
Making it plug-able and extendable would help the entire project.

* YARN is a precious snowflake that can't use such a generic service to see if a host or user
should be allowed to access, e.g., a queue for ... reasons.  So there is a desire to completely
refactor the YARN code to effectively duplicate common for ... reasons.

* Mentioning Ranger and/or Sentry should allow anyone to do anything they want.  They are
magic words that make people run away.

> Make YARN authorization pluggable
> ---------------------------------
>
>                 Key: YARN-3100
>                 URL: https://issues.apache.org/jira/browse/YARN-3100
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Jian He
>         Attachments: YARN-3100.1.patch, YARN-3100.2.patch
>
>
> The goal is to have YARN acl model pluggable so as to integrate other authorization tool
such as Apache Ranger, Sentry.
> Currently, we have 
> - admin ACL
> - queue ACL
> - application ACL
> - time line domain ACL
> - service ACL
> The proposal is to create a YarnAuthorizationProvider interface. Current implementation
will be the default implementation. Ranger or Sentry plug-in can implement  this interface.
> Benefit:
> -  Unify the code base. With the default implementation, we can get rid of each specific
ACL manager such as AdminAclManager, ApplicationACLsManager, QueueAclsManager etc.
> - Enable Ranger, Sentry to do authorization for YARN. 



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