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From "Robert Levas (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (AMBARI-20462) Duplicate entries in DB for auto_<view>_instance privileges upon Ambari server restart
Date Wed, 15 Mar 2017 17:36:41 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-20462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Levas reassigned AMBARI-20462:
-------------------------------------

    Assignee: Robert Levas

> Duplicate entries in DB for auto_<view>_instance privileges upon Ambari server
restart
> --------------------------------------------------------------------------------------
>
>                 Key: AMBARI-20462
>                 URL: https://issues.apache.org/jira/browse/AMBARI-20462
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.5.0
>            Reporter: Vivek Sharma
>            Assignee: Robert Levas
>            Priority: Critical
>              Labels: system_test
>             Fix For: 2.5.0
>
>
> When I create a new user from Ambari UI and let’s say give him ‘Cluster User’ role;
later go to Users page it shows the permissions as seen in the screenshot
> The UI display is fine, however when I make an API call like below
> /api/v1/users/tom/privileges?fields=*
>  
> It shows three entries for each auto_<view>_instance privilege. As an example:
for ‘AUTO_FILES_INSTANCE’ I see three entries like:
> api/v1/users/tom/privileges/6
> api/v1/users/tom/privileges/56
> api/v1/users/tom/privileges/106
>  
> and so on, so we have 16 entries (One for Cluster.User + 3 * privileges for each of five
View instances)
>  
> The same behavior is seen for groups too like: /api/v1/groups/gp1/privileges?fields=*

> *Example*
> It is expected that only one of the following rows exists:
> {noformat}
> ambaricustom=> select * from adminprivilege where privilege_id in (6, 56, 106);
> privilege_id | permission_id | resource_id | principal_id
> --------------+---------------+-------------+--------------
>             6 |             4 |          54 |            8
>            56 |             4 |          54 |            8
>           106 |             4 |          54 |            8
> (3 rows)
> {noformat}
>  
> * permission_id (4): VIEW.USER
> * resource_id (54): AUTO_FILES_INSTANCE
> * principal_id (8): CLUSTER.USER
> *Cause*
> When Ambari server restarts, it installs the automatically created view instances without
first checking to see if they have been previously created. Each restart of Ambari server
will create a new set of duplicated records.



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