cpopen missing again?

[Eyal Edri]

----- Original Message -----
> From: "Dan Kenigsberg" <danken at redhat.com>
> To: "Nir Soffer" <nsoffer at redhat.com>, eedri at redhat.com
> Cc: "infra" <infra at ovirt.org>
> Sent: Saturday, April 26, 2014 12:00:49 AM
> Subject: Re: cpopen missing again?
> 
> On Thu, Apr 24, 2014 at 01:04:56PM -0400, Nir Soffer wrote:
> > ----- Original Message -----
> > > From: "Nir Soffer" <nsoffer at redhat.com>
> > > To: "infra" <infra at ovirt.org>
> > > Sent: Thursday, April 24, 2014 7:47:10 PM
> > > Subject: cpopen missing again?
> > > 
> > > Didn't we resolved the issues with cpopen?
> > > 
> > > nosetests tests.py
> > > E
> > > ======================================================================
> > > ERROR: Failure: ImportError (No module named cpopen)
> > > ----------------------------------------------------------------------
> > > Traceback (most recent call last):
> > >   File "/usr/lib/python2.7/site-packages/nose/loader.py", line 413, in
> > >   loadTestsFromName
> > >     addr.filename, addr.module)
> > >   File "/usr/lib/python2.7/site-packages/nose/importer.py", line 47, in
> > >   importFromPath
> > >     return self.importFromDir(dir_path, fqname)
> > >   File "/usr/lib/python2.7/site-packages/nose/importer.py", line 94, in
> > >   importFromDir
> > >     mod = load_module(part_fqname, fh, filename, desc)
> > >   File
> > >   "/home/jenkins/workspace/vdsm_master_unit_tests_gerrit/vdsm/lib/zombiereaper/tests.py",
> > >   line 24, in <module>
> > >     from cpopen import CPopen
> > > ImportError: No module named cpopen
> > > 
> > > See
> > > http://jenkins.ovirt.org/job/vdsm_master_unit_tests_gerrit/8419/console
> > 
> > Note that triggering again was successful on the same host:
> > http://jenkins.ovirt.org/job/vdsm_master_unit_tests_gerrit/8420/
> > 
> > Looks like there is a race in the test setup/teardown code, removing and
> > installing cpopen.
> 
> This problem would persist until we mutex jobs that mess with thr rpm
> database. Yes: if a job removes an rpm, no other job that adds that rpm
> should be scheduled. Yes, even if this means to serialize all jobs on a
> single slave.

david, can we ensure all vdsm jobs that install/remove vdsm will run alone and ensure puppet is run at the end? 
(to ensure cpopen is installed back...) 

> 
> Eyal - it's better to have a slow CI environment than having a
> non-reliable one.
>