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https://issues.apache.org/jira/browse/TEZ-3328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15431834#comment-15431834
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Hitesh Shah edited comment on TEZ-3328 at 8/23/16 7:53 PM:
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bq. Was wondering if this would still throw error for users with just DAG level 
permission.

The question would be how to figure out that the user does not have 
permissions? To be clear, if the user is viewing the app details, what dags 
would you consider checking for and how would you go about it? 


was (Author: hitesh):
bq. Was wondering if this would still throw error for users with just DAG level 
permission.

The question would be how to figure out that the user does not have 
permissions? 

> [Umbrella] UI does not work well when there are separate DAG and 
> session-level ACLs
> -----------------------------------------------------------------------------------
>
>                 Key: TEZ-3328
>                 URL: https://issues.apache.org/jira/browse/TEZ-3328
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Hitesh Shah
>            Assignee: Hitesh Shah
>            Priority: Critical
>         Attachments: TEZ-3328.wip.patch
>
>
> Currently, when authz systems such as Ranger/Sentry are in place, all hive 
> queries run in a tez session owned by user hive. Queries run by end-users say 
> user a,b,c, etc have perimeter checks but the yarn containers run as user 
> hive. 
> In terms of acls, what this means is that the session-level acls are 
> restricted to user hive and admins. And then each query ends up with a dag 
> specific acl for user a or b or c. 
> In Tez impls, this translates to: 
>   - entities such as TEZ_APP, TEZ_APP_ATTEMPT, CONTAINER use a 
> session-specific domain/acl
>   - entities for the dag - TEZ_DAG/VERTEX/TASK,TA end up with a dag specific 
> ACL. 
> If user "a" clicks through the app link from the RM and lands on the app 
> details page, the user will not find any dags as the user has no permissions 
> to view the tez app entity rendering the UI functionality to be broken.
> \cc [~sseth] [~rajesh.balamohan] [~Sreenath] [~jeagles] [~thejas]



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