[jira] [Assigned] (AMBARI-25333) Regenerate keytab generates empty keytab file if no file present in cache

["amarnath reddy pappu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-25333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

amarnath reddy pappu reassigned AMBARI-25333:
---------------------------------------------

    Assignee: amarnath reddy pappu

> Regenerate keytab generates empty keytab file if no file present in cache
> -------------------------------------------------------------------------
>
>                 Key: AMBARI-25333
>                 URL: https://issues.apache.org/jira/browse/AMBARI-25333
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.7.3
>            Reporter: amarnath reddy pappu
>            Assignee: amarnath reddy pappu
>            Priority: Major
>
> Steps to reproduce:
> If Database table has a reference for a keytab file at /var/lib/ambari-server/data/cache/ and if file is not present then Ambari would copy empty keytab files to all the hosts.
> 1. Install and Kerberize the cluster.
>  2. remove keytab file/s at /var/lib/ambari-server/data/cache/
>  3. Now re-generate missing keytab files operation.
>  4. You can find empty keytab file in cluster hosts.
> Ambari should check keytab file exist or not while deciding what to re-generate.
>  
> This BUG can cause issue during the Upgrade as it runs re-generate missing keytab operation.



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