[jira] [Created] (AMBARI-21687) User can't add node via Ambari UI when being part of both "cluster user" and "cluster admin" roles

["Amogh Patel (JIRA)" <ji...@apache.org>]

Amogh Patel created AMBARI-21687:
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             Summary: User can't add node via Ambari UI when being part of both "cluster user" and "cluster admin" roles
                 Key: AMBARI-21687
                 URL: https://issues.apache.org/jira/browse/AMBARI-21687
             Project: Ambari
          Issue Type: Bug
          Components: ambari-sever
    Affects Versions: 2.5.1
            Reporter: Amogh Patel


User can't add node via Ambari UI when being part of both "cluster user" and "cluster admin" roles.
Issue1: The expected behavior of Ambari is to not allow same user/group to be part of 2 different roles and it WARNS that Cannot save permissions.. Only 1 role allowed per user or group but this can be fooled by creating two different groups and have a common user, which creates Issue2.
Issue2: Due to above, user (part of cluster user and cluster admin) can't add node and Ambari UI goes in loop during node registration process and reloads the page again and again.
Reproduced it with Ambari 2.5.1. Steps to reproduce:
1. Created group foogroup *and user *foo1 *and added it in foogroup*.
2. Tried to add* foogroup* to roles cluster user and administrator and it doesn't allow with above warning.
3. Created a local user test1 in Ambari.
4. Created 2 different group clus_admin and cluster_user and added test1 in both of them.
5. Assigned clus_admin to cluster admin role and *clus_user to cluster user role and was able to save and assign 2 differen*t roles to same user.
6. Tried to add a new node with* test1 *user and Ambari UI freaks out while registration and goes on loop.



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