[jira] [Resolved] (HBASE-12644) Visibility Labels: issue with storing super users in labels table

["Ted Yu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-12644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu resolved HBASE-12644.
----------------------------
    Resolution: Fixed

@Jerry:
Please add release notes.

> 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, 2.0.0
>
>         Attachments: 12644-0.98.patch, 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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