[Gluster-infra] Core pattern change in centos regression machines

[Niels de Vos]

On Tue, Mar 15, 2016 at 02:59:35AM -0400, Prasanna Kumar Kalever wrote:
> On Tuesday, March 15, 2016 10:16:06 AM, Niels de Vos wrote:
> > On Mon, Mar 14, 2016 at 09:04:04AM -0400, Prasanna Kumar Kalever wrote:
> > > Hi,
> > > 
> > > As part of dumping back-trace of core files in console log of jenkins
> > > we need executable name, finding executable name from the corefile is
> > > not common across platfoms, hence lets make the executable name as
> > > part of corefile name in all Centos jenkin slaves similar to netbsd
> > > slaves.
> > > 
> > > Currently Core pattern in Netbsd slaves is
> > > # /sbin/sysctl -n kern.defcorename
> > > /%n-%p.core
> > > 
> > > Lets set same in Centos slaves as well
> > > # /sbin/sysctl -w kernel.core_pattern="/%e-%p.core"
> > > 
> > > Once the above changes are done in CentOs machines, I shall push a
> > > patch to glusterfs-patch-acceptance-tests making changes needed in
> > > regression.sh
> > 
> > This most likely needs to be run by the regression test itself. Or at
> > least have the check in the main script starting the regressions. On
> > CentOS and other Fedora/RHEL based systems, we should probably integrate
> > with abrt instead of writing our own solution? abrt generates everything
> > we need, and it matches much more closely to what users have on their
> > systems. It has a huge advantage to use existing tools so that
> > developers and users can apply standard knowledge of the OS.
> > 
> > Not sure how NetBSD and FreeBSD do this, I do not think they have abrt.
> 
> Just verified whether this package is installed in one of our Netbsd slaves,
> it was not installed, also I don't see it even in
> ftp://ftp.netbsd.org/pub/pkgsrc/packages/NetBSD/i386/7.0_2015Q4/All/
> 
> For now lets dump the core with our solution as stated above.

How do you address the running of this on systems that developers use
for their testing? I normally have my systems configured to capture
cores with abrt, and that is the default for Fedora, RHEL and CentOS
installations too. To me it is important that we do not break this
behaviour when we run the regression tests.

Thanks,
Niels
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