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From "Vivek Sharma (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-20462) Duplicate entries in DB for auto_<view>_instance privileges upon Ambari server restart
Date Wed, 15 Mar 2017 17:34:41 GMT
Vivek Sharma created AMBARI-20462:
-------------------------------------

             Summary: 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
            Priority: Critical
             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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