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https://issues.apache.org/jira/browse/YARN-6820?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vrushali C updated YARN-6820:
-----------------------------
    Attachment: YARN-6820-YARN-5355.005.patch

Uploading v005 that has the following changes as per review:

- Using empty string "" for initializing Admin ACL list if YARN_ADMIN_ACL is 
not set
- Using the Principal in HttpServletRequest to create the UGI instead of the 
remote user in the HttpServletRequest
- updated unit tests to conform to the above changes
- fixed the whitespace & javadoc warning in last jenkins report 


> Restrict read access to timelineservice v2 data 
> ------------------------------------------------
>
>                 Key: YARN-6820
>                 URL: https://issues.apache.org/jira/browse/YARN-6820
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Vrushali C
>            Assignee: Vrushali C
>              Labels: yarn-5355-merge-blocker
>         Attachments: YARN-6820-YARN-5355.0001.patch, 
> YARN-6820-YARN-5355.002.patch, YARN-6820-YARN-5355.003.patch, 
> YARN-6820-YARN-5355.004.patch, YARN-6820-YARN-5355.005.patch
>
>
> Need to provide a way to restrict read access in ATSv2. Not all users should 
> be able to read all entities. On the flip side, some folks may not need any 
> read restrictions, so we need to provide a way to disable this access 
> restriction as well. 
> Initially this access restriction could be done in a simple way via a 
> whitelist of users allowed to read data. That set of users can read all data, 
> no other user can read any data. Can be turned off for all users to read all 
> data.
> Could be stored in a "domain" table in hbase perhaps. Or a configuration 
> setting for the cluster. Or something else that's simple enough. ATSv1 has a 
> concept of domain for isolating users for reading. Would be good to keep that 
> in consideration. 
> In ATSv1, domain offers a namespace for Timeline server allowing users to 
> host multiple entities, isolating them from other users and applications. A 
> “Domain” in ATSV1 primarily stores owner info, read and& write ACL 
> information, created and modified time stamp information. Each Domain is 
> identified by an ID which must be unique across all users in the YARN cluster.



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