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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12644) Visibility Labels: issue with storing super users in labels table
Date Sat, 13 Dec 2014 13:04:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14245313#comment-14245313
] 

Anoop Sam John commented on HBASE-12644:
----------------------------------------

+1


> Visibility Labels: issue with storing super users in labels table
> -----------------------------------------------------------------
>
>                 Key: HBASE-12644
>                 URL: https://issues.apache.org/jira/browse/HBASE-12644
>             Project: HBase
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 0.98.8, 0.99.2
>            Reporter: Jerry He
>            Assignee: Jerry He
>             Fix For: 1.0.0, 0.98.10
>
>         Attachments: HBASE-12644-master-v2.patch, HBASE-12644-master-v3.patch, HBASE-12644-master.patch
>
>
> Super users have all the permissions for ACL and Visibility labels.
> They are defined in hbase-site.xml.
> Currently in VisibilityController, we persist super user with their system permission
in hbase:labels.
> This makes change in super user difficult.
> There are two issues:
> In the current DefaultVisibilityLabelServiceImpl.addSystemLabel, we only add super user
when we initially create the 'system' label.
> No additional update after that even if super user changed. See code for details.
>  
> Additionally, there is no mechanism to remove any super user from the labels table.
>  
> We probably should not persist super users in the labels table.
> They are in hbase-site.xml and can just stay in labelsCache and used from labelsCache
after retrieval by Visibility Controller.



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