> On Feb. 26, 2015, 12:09 p.m., Andrew Onischuk wrote:
> > ambari-server/src/test/python/stacks/2.0.6/OOZIE/test_oozie_server.py, line 
> > 58
> > <https://reviews.apache.org/r/31483/diff/1/?file=878327#file878327line58>
> >
> >     Tests will fail if klist is present on system. In tests we also have to 
> > mock call function you used, to return always 0 or 1.

just a small changes better I think better to do. Otherwise patch looks good.


- Andrew


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On Feb. 26, 2015, 12:02 p.m., Robert Levas wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/31483/
> -----------------------------------------------------------
> 
> (Updated Feb. 26, 2015, 12:02 p.m.)
> 
> 
> Review request for Ambari, Andrew Onischuk, Emil Anca, Jonathan Hurley, and 
> Vitalyi Brodetskyi.
> 
> 
> Bugs: AMBARI-9785
>     https://issues.apache.org/jira/browse/AMBARI-9785
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> After enabling Kerberos, the root user has the spnego user set for it 
> 
> ```
> [root@c6501 ~]# klist
> Ticket cache: FILE:/tmp/krb5cc_0
> Default principal: HTTP/[email protected]
> 
> Valid starting     Expires            Service principal
> 02/18/15 22:14:51  02/19/15 22:14:51  krbtgt/[email protected]
>       renew until 02/18/15 22:14:51
> ```
> 
> It appears that the issue is related to the agent-side scheduler and/or some 
> job that is scheduled to run periodically. Apparently some job is kinit-ing 
> with the SPNEGO identity as the running user (root in this case) without 
> changing the ticket cache. Thus whenever the job runs the root user's ticket 
> cache gets changed to contain the SPNEGO identity's ticket.
> 
> While investigating and solving the issue it was found that other credentials 
> were added to this cache, overwriting what was there, during backround 
> processing, as well.
> 
> Most of the issues were releated to _alert_ checking on web-based UI 
> endpoints while configuring the environment for curl to use Kerberos 
> authentication.  Another place (in Oozie) was a failure to run a command as 
> the `oozie` local user.
> 
> Solving this includes using an alternate credential cache when kinit-ing. 
> While at it, the cached is checked to see if the tickets are expired (or even 
> there) before kinit-ing.
> 
> 
> Diffs
> -----
> 
>   ambari-agent/src/main/python/ambari_agent/alerts/web_alert.py 8ee6606 
>   
> ambari-common/src/main/python/resource_management/libraries/functions/__init__.py
>  44d235c 
>   
> ambari-common/src/main/python/resource_management/libraries/functions/get_klist_path.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/common-services/HIVE/0.12.0.2.0/package/alerts/alert_webhcat_server.py
>  970ddde 
>   
> ambari-server/src/main/resources/common-services/OOZIE/4.0.0.2.0/package/alerts/alert_check_oozie_server.py
>  a5a066b 
>   
> ambari-server/src/main/resources/common-services/OOZIE/4.0.0.2.0/package/scripts/oozie_service.py
>  092149d 
>   
> ambari-server/src/main/resources/stacks/BIGTOP/0.8/services/OOZIE/package/files/alert_check_oozie_server.py
>  a5a066b 
>   
> ambari-server/src/main/resources/stacks/BIGTOP/0.8/services/WEBHCAT/package/files/alert_webhcat_server.py
>  970ddde 
>   ambari-server/src/test/python/stacks/2.0.6/OOZIE/test_oozie_server.py 
> 45e9dc4 
> 
> Diff: https://reviews.apache.org/r/31483/diff/
> 
> 
> Testing
> -------
> 
> Manually tested all services in test cluster to see which might have this 
> issue. Found only OOZIE and HIVE issues and tests showed they are fixed and 
> working as they should.
> 
> #Jenkins Test Results
> 
> [INFO] 
> ------------------------------------------------------------------------
> [INFO] BUILD SUCCESS
> [INFO] 
> ------------------------------------------------------------------------
> [INFO] Total time: 01:12 h
> [INFO] Finished at: 2015-02-26T06:35:45+00:00
> [INFO] Final Memory: 44M/457M
> [INFO] 
> ------------------------------------------------------------------------
> 
> 
> Thanks,
> 
> Robert Levas
> 
>

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