capacity for more slaves

Fri May 13 10:55:45 UTC 2016

On 05/13 10:50, Anton Marchukov wrote:
> Hello All.
> 
> Then I suggest consider rolling out IPv6 for the slaves right away
> especially since it was declared a goal for oVirt 4. This can also simplify
> slaves management as we can use SLAC for IP assignment and can solve that
> DHCP update problems we had in foreman due to stale mac addresses etc.. the
> mac will be coming directly from oVirt mac pools and then SLAC will setup
> an IP and we can autoregister in DNS.

What is SLAC?

> 
> Anton.
> 
> On Fri, May 13, 2016 at 10:37 AM, dcaro at redhat com <dcaro at redhat.com> wrote:
> 
> > On 05/13 09:10, Anton Marchukov wrote:
> > > Hello All.
> > >
> > > Are those IPs are used by any tests or the jobs itself?
> >
> > Are used by the slaves themselves (each slave has one ip), not really
> > needed
> > for anything (the slaves are not contacted by any outside machine nor
> > offering
> > any service)
> >
> > >
> > > Anton.
> > >
> > > On Fri, May 13, 2016 at 9:03 AM, David Caro Estevez <dcaroest at redhat.com
> > >
> > > wrote:
> > >
> > > > One possibility that will give us a lot of ips is using internal ones,
> > > > though it will require a bit more configuration but now that the
> > jenkins
> > > > master is in phx I think it might be a good option
> > > >
> > > > David Caro
> > > > El 13 may. 2016 7:57, Eyal Edri <eedri at redhat.com> escribió:
> > > >
> > > > Please open a ticket in jira on extending the ip range,  i guess we
> > need
> > > > to handle ir soon
> > > > On May 12, 2016 8:58 PM, "Nadav Goldin" <ngoldin at redhat.com> wrote:
> > > >
> > > >> sure, added 4 more FC23 slaves, and on the way hit the IPs limit,
> > > >> had to remove some old unused testing VMs to release IPs.
> > > >> we have some useless leases there such as an IP for each template,
> > > >> though I'm not 100% sure if its safe to simply delete them from
> > foreman
> > > >> (they are saved as templates in the engine, so theoretically shouldn't
> > > >> be a problem)
> > > >>
> > > >>
> > > >>
> > > >>
> > > >> On Thu, May 12, 2016 at 4:53 PM, David Caro <dcaro at redhat.com> wrote:
> > > >>
> > > >>> On 05/12 16:50, Nadav Goldin wrote:
> > > >>> > ok I'll add also FC23, though I think the problem is the vdsm jobs,
> > > >>> not sure
> > > >>> > why they use only fc* instead of the el7 ones
> > > >>>
> > > >>> Thanks man, that's because (at least the check-merged) use libvirt to
> > > >>> start up
> > > >>> vms, and trying to use libvirt from a fc23 chroot on an el7 host
> > ends up
> > > >>> in
> > > >>> error, so they have to run on fc23/21 slaves
> > > >>>
> > > >>> >
> > > >>> > On Thu, May 12, 2016 at 4:33 PM, David Caro <dcaro at redhat.com>
> > wrote:
> > > >>> >
> > > >>> > > On 05/12 12:46, Nadav Goldin wrote:
> > > >>> > > > Hi, I added few more el7 slaves, there is a (relatively) new
> > > >>> template
> > > >>> > > > 'centos72-jenkins-slave' in the Jenkins_CentOS cluster.
> > > >>> > > > iirc there was a discussion few months ago about our IPs
> > limit, I
> > > >>> think
> > > >>> > > > we're approaching that(there are
> > > >>> > > > 102 fixed addresses in foreman.phx.ovirt.org dhcpd server, and
> > > >>> this is
> > > >>> > > > without the old ovirt-srv* which are not managed there)
> > > >>> > >
> > > >>> > > Actually, we are scarce on fc23 slaves, not el (right now we
> > have 28
> > > >>> idle
> > > >>> > > el7
> > > >>> > > slaves, and I've been waiting for more than 45min for a lago
> > > >>> check-patch to
> > > >>> > > start on a fc23 slave)
> > > >>> > >
> > > >>> > > >
> > > >>> > > >
> > > >>> > > > On Tue, May 10, 2016 at 7:04 PM, David Caro <dcaro at redhat.com>
> > > >>> wrote:
> > > >>> > > >
> > > >>> > > > > On 05/10 18:02, David Caro wrote:
> > > >>> > > > > > On 05/10 18:53, Eyal Edri wrote:
> > > >>> > > > > > > Looking at the load on our hypervisors I'm sure we can
> > add
> > > >>> more
> > > >>> > > slaves
> > > >>> > > > > to
> > > >>> > > > > > > jenkins.
> > > >>> > > > > > > Is there a documented procedure on how to add a new
> > slave so
> > > >>> > > anyone in
> > > >>> > > > > the
> > > >>> > > > > > > team can do it?
> > > >>> > > > > > >
> > > >>> > > > > >
> > > >>> > > > > > I remember writing something about the templates and such,
> > > >>> will look
> > > >>> > > for
> > > >>> > > > > it.
> > > >>> > > > > >
> > > >>> > > > > > Though it might be a bit old, not sure if we have changed
> > > >>> anything in
> > > >>> > > > > the last
> > > >>> > > > > > months, maybe someone has newer info.
> > > >>> > > > >
> > > >>> > > > >
> > > >>> > > > > There's some docs here:
> > > >>> > > > >
> > > >>> > > > >
> > > >>> > > > >
> > > >>> > >
> > > >>>
> > http://ovirt-infra-docs.readthedocs.io/en/latest/Phoenix_Lab/oVirt_Hosts.html#ovirt-datacenter-organization
> > > >>> > > > >
> > > >>> > > > > >
> > > >>> > > > > > >
> > > >>> > > > > > >
> > > >>> > > > > > >
> > > >>> > > > > > >
> > > >>> > > > > > > --
> > > >>> > > > > > > Eyal Edri
> > > >>> > > > > > > Associate Manager
> > > >>> > > > > > > RHEV DevOps
> > > >>> > > > > > > EMEA ENG Virtualization R&D
> > > >>> > > > > > > Red Hat Israel
> > > >>> > > > > > >
> > > >>> > > > > > > phone: +972-9-7692018
> > > >>> > > > > > > irc: eedri (on #tlv #rhev-dev #rhev-integ)
> > > >>> > > > > >
> > > >>> > > > > > > _______________________________________________
> > > >>> > > > > > > Infra mailing list
> > > >>> > > > > > > Infra at ovirt.org
> > > >>> > > > > > > http://lists.ovirt.org/mailman/listinfo/infra
> > > >>> > > > > >
> > > >>> > > > > >
> > > >>> > > > > > --
> > > >>> > > > > > David Caro
> > > >>> > > > > >
> > > >>> > > > > > Red Hat S.L.
> > > >>> > > > > > Continuous Integration Engineer - EMEA ENG Virtualization
> > R&D
> > > >>> > > > > >
> > > >>> > > > > > Tel.: +420 532 294 605
> > > >>> > > > > > Email: dcaro at redhat.com
> > > >>> > > > > > IRC: dcaro|dcaroest@{freenode|oftc|redhat}
> > > >>> > > > > > Web: www.redhat.com
> > > >>> > > > > > RHT Global #: 82-62605
> > > >>> > > > >
> > > >>> > > > >
> > > >>> > > > >
> > > >>> > > > > > _______________________________________________
> > > >>> > > > > > Infra mailing list
> > > >>> > > > > > Infra at ovirt.org
> > > >>> > > > > > http://lists.ovirt.org/mailman/listinfo/infra
> > > >>> > > > >
> > > >>> > > > >
> > > >>> > > > > --
> > > >>> > > > > David Caro
> > > >>> > > > >
> > > >>> > > > > Red Hat S.L.
> > > >>> > > > > Continuous Integration Engineer - EMEA ENG Virtualization R&D
> > > >>> > > > >
> > > >>> > > > > Tel.: +420 532 294 605
> > > >>> > > > > Email: dcaro at redhat.com
> > > >>> > > > > IRC: dcaro|dcaroest@{freenode|oftc|redhat}
> > > >>> > > > > Web: www.redhat.com
> > > >>> > > > > RHT Global #: 82-62605
> > > >>> > > > >
> > > >>> > > > > _______________________________________________
> > > >>> > > > > Infra mailing list
> > > >>> > > > > Infra at ovirt.org
> > > >>> > > > > http://lists.ovirt.org/mailman/listinfo/infra
> > > >>> > > > >
> > > >>> > > > >
> > > >>> > >
> > > >>> > > > _______________________________________________
> > > >>> > > > Infra mailing list
> > > >>> > > > Infra at ovirt.org
> > > >>> > > > http://lists.ovirt.org/mailman/listinfo/infra
> > > >>> > >
> > > >>> > >
> > > >>> > > --
> > > >>> > > David Caro
> > > >>> > >
> > > >>> > > Red Hat S.L.
> > > >>> > > Continuous Integration Engineer - EMEA ENG Virtualization R&D
> > > >>> > >
> > > >>> > > Tel.: +420 532 294 605
> > > >>> > > Email: dcaro at redhat.com
> > > >>> > > IRC: dcaro|dcaroest@{freenode|oftc|redhat}
> > > >>> > > Web: www.redhat.com
> > > >>> > > RHT Global #: 82-62605
> > > >>> > >
> > > >>>
> > > >>> --
> > > >>> David Caro
> > > >>>
> > > >>> Red Hat S.L.
> > > >>> Continuous Integration Engineer - EMEA ENG Virtualization R&D
> > > >>>
> > > >>> Tel.: +420 532 294 605
> > > >>> Email: dcaro at redhat.com
> > > >>> IRC: dcaro|dcaroest@{freenode|oftc|redhat}
> > > >>> Web: www.redhat.com
> > > >>> RHT Global #: 82-62605
> > > >>>
> > > >>
> > > >>
> > > > _______________________________________________
> > > > Infra mailing list
> > > > Infra at ovirt.org
> > > > http://lists.ovirt.org/mailman/listinfo/infra
> > > >
> > > >
> > >
> > >
> > > --
> > > Anton Marchukov
> > > Senior Software Engineer - RHEV CI - Red Hat
> >
> > --
> > David Caro
> >
> > Red Hat S.L.
> > Continuous Integration Engineer - EMEA ENG Virtualization R&D
> >
> > Tel.: +420 532 294 605
> > Email: dcaro at redhat.com
> > IRC: dcaro|dcaroest@{freenode|oftc|redhat}
> > Web: www.redhat.com
> > RHT Global #: 82-62605
> >
> 
> 
> 
> -- 
> Anton Marchukov
> Senior Software Engineer - RHEV CI - Red Hat

-- 
David Caro

Red Hat S.L.
Continuous Integration Engineer - EMEA ENG Virtualization R&D

Tel.: +420 532 294 605
Email: dcaro at redhat.com
IRC: dcaro|dcaroest@{freenode|oftc|redhat}
Web: www.redhat.com
RHT Global #: 82-62605
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