[CentOS-virt] Virt SIG meeting minutes
George Dunlap
dunlapg at umich.edu
Tue Nov 18 14:57:36 UTC 2014
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Attendees: Lars, Lokesh, George, KB (eventually)
Docker update:
- - Docker 1.3.1 for virt7-testing
Xen update:
- Xen 4.4.1 in virt6-testing
- Can't do a release of xen without libvirt because libvirt depends
on a specific version of libxl
- Plan: update to libvirt-1.2.9 before test then release
Signing
- C7 we want to use the CBS signing system which isn't up yet
- All SIGs will just wait to release C7 stuff until then
- x4c C6 is signed with distro key, so we'll keep having Johnny sign those
Target:
C6 xen/libvirt beta release in mid-November, release early December
C7 docker: release when sig ready
C7 xen: beta maybe mid-December
Mid-December: Dojo schedule
- Biggest one: US in early Summer
- 30 Jan before FOSDEM - ~300 people
- Sponsorship?
- Talk / workshop / hack session re virt sig
Pre-FOSDEM dojo:
- kbsingh: It would be good to have virt-sig presence at dojo before FOSDEM
- gwd: I may not be able to make it; I'll try to find someone to cover me.
IRC chat log:
<gwd> Virt SIG meeting in 2 minutes
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<pasik> hello [14:00]
<gwd> OK, who have we got present? I see pasik and jonludlam [14:02]
<gwd> kbsingh: You around?
<gwd> lsm5? [14:04]
<gwd> OK, well I guess let's get started. [14:05]
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#centos-devel
<jonludlam> gwd, is there an agenda? [14:06]
<gwd> The main agenda was updates: update on Xen, on Docker, and on the CBS.
<gwd> The CBS is the main blocker for a Docker release
<gwd> And really for me doing anything useful as far as a Xen update as well.
[14:07]
<jonludlam> I still don't have my cbs account
<gwd> And quaid had asked about oVirt joining the Virt SIG as well
<gwd> jonludlam: Right, I didn't realize you'd asked for one. [14:08]
* gwd tries to remember the nick of the guy who was working on that...
<gwd> Well the Xen status is:
<gwd> * I've got Xen 4.4.1 built in the CBS (unsigned)
<gwd> * It's using an "updated" blktap2.5, but I'm not sure how stable it is
(needs more testind) [14:09]
<jonludlam> (tbh I hadn't been pinging about it as I've had to work on other
things recently...)
<gwd> * And before we can do a proper release, I'd need to rebuild libvirt
<jonludlam> gwd, is it using the dkms blktap module?
<jzb> Evolution: ping
<Evolution> jzb: pong [14:10]
<gwd> I think the kernel probably is, not positive.
<jzb> Evolution: where can I find minutes from last week's meeting?
<jzb> Evolution: Atomic SIG meeting, I mean, in case that was vague. :-)
<gwd> jonludlam: Any reason for asking? :-)
<Evolution> everything should be at -> http://www.centos.org/minutes/ [14:11]
<jonludlam> gwd, the dkms module is quite old, and I've had issues using it
under ubuntu. The newer kernel module source can't be built out of
tree though
<gwd> Yes, the whole blktap thing is something which needs to be sorted out.
[14:12]
<jonludlam> given we're providing a new kernel, it might make sense to have
the in-tree patches in the kernel
<jonludlam> gwd, totally agree
<pasik> i think the current linux 3.10 kernel in xen4c6 is based on some
citrix patches
<pasik> for blktap2.5 [14:13]
<gwd> That would make sense -- I haven't had time to actually get to look at
the kernel package and see what's in it.
<pasik> i remember some discussions/emails with David Vrabel about those
patches
<jzb> Evolution: found, thx
<jonludlam> pasik, might be worth refreshing the patches - we've done a lot of
testing on them recently [14:14]
<pasik> jonludlam: ok, good to know
<pasik> jonludlam: can you point to a git tree with the latest patches?
<jonludlam> pasik, not sure - I'll have a look
<pasik> jonludlam: thanks! [14:15]
<jonludlam> https://github.com/xenserver/linux-3.x.pg/tree/master/master I
believe
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[14:17]
<gwd> pasik: You haven't tested the 4.4.1 patches in virt6-testing, have you?
[14:18]
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<kbsingh> gwd: here now
<kbsingh> +1 for prepatching the kernel for needed support, dkms is never
worked for me in prod [14:20]
<gwd> kbsingh: OK -- I've just done a status update for Xen (basically not
much update since last time, except that I found a pretty nasty bug
upstream and fixed it)
<kbsingh> on the CBS update : [14:21]
<pasik> gwd: hmm, i *think* i did test the rpms you linked
<pasik> gwd: but i'm not totally sure. i've been way too busy with other
things
<pasik> gwd: i'll test again to be sure :)
<gwd> pasik: Sure. :_)
<kbsingh> lots of progress, MerlinTHP is working on closing up the lookaside
binary sources import script, and I am working on the gitblit update
for git.centos.org - having those two things done will allow
prettymuch the entire workflow to move from srpms to git
<lsm5> gwd: yup [14:22]
<pasik> kbsingh: any eta?
<kbsingh> w.r.t signing packages, we have a sign process setup, need to sync
with the koji guys and workout a release process.
<kbsingh> pasik: 2 weeks is a good eta to plan against
<gwd> C6 isn't going to use the CBS signing anyway, since the existing C6
packages use the CentOS signing key.
<lsm5> sorry about the delay, Re: docker, we have 1.3.1 up, nothing else to
update :\ [14:23]
<kbsingh> we'll likely have chunk of the work done for the next buildsys
meeting on Monday coming, and i'd give it another week for people to
break i
<kbsingh> gwd: if we can find a migration path, would you prefer it went
through cbs ( c6 )
<lsm5> lsm5: and i'm back at RH if that matters :)
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<kbsingh> lsm5: we;ll try not holding that against you
<lsm5> :) [14:24]
<gwd> kbsingh: That would be fine with me, but I don't know any of the details
there...
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<kbsingh> gwd: ok, maybe we can thrash out the detalis on the virt-list. it
will involve shipping a xen that requires: centos-release-xen
<version>; which then has the new key
<kbsingh> and have the centos-release-xen conflict with the older xen
<kbsingh> gwd: in terms of targets, are we looking for a 4.4 into c6 or c7 now
? [14:26]
<kbsingh> as in, what are we doing first ?
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<gwd> kbsingh: Well I thought changing one thing at a time would be good. :-)
So I'm aiming at 4.4 in c6
<kbsingh> cool
<gwd> Also, updating to 4.4 in c6 doesn't require kernel changes; just xen &
libvirt packages
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<kbsingh> second question i had was for jonludlam i guess, there was talk of
updating to a 3.14 kernel, is that still on the cards ? to better
align with upstream expectations [14:28]
<gwd> kbsingh: Do we want to update to 3.14 in c6? We were definitely
planning on doing a kernel update for c7
<kbsingh> if there is a good reason to, we can update in c6 as well as c7 -
specially if its going to mean only having to maintain one kernel
tree [14:29]
<jonludlam> I have no particular opinion on kernel version
<jonludlam> David V might though [14:30]
<gwd> jonludlam: I can ask the Linux Xen crowd what they think is a good
option
<kbsingh> maybe something to thrash out a bit then, for now for 4.4 into c6,
if its not a blocker then lets not bring it to the agenda
[14:31]
<jonludlam> gwd, sounds like a good idea
<kbsingh> col [14:32]
<kbsingh> cool even
<gwd> OK, so the plan is: First c6 xen+libvirt; then possibly c6 kernel
update; then c7 everything.
<gwd> Anything else for Xen?
<pasik> libvirt status? [14:33]
<pasik> for xen4.4
<gwd> pasik: I was planning on updating it to whatever the most recent
release.
<gwd> But I haven't had a chance to look at it.
<pasik> ok [14:35]
<pasik> libvirt obviously needs to be built and tested before we can push the
xen 4.4 update to c6 [14:36]
<gwd> Yes, that's basically the delay at this point...
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<gwd> lsm5: Anything you're blocked on for a c7 docker release, other than the
cbs being set up? [14:37]
<kbsingh> do we want to include the upstream libvirt people as well ?
<kbsingh> DV: ping
<lsm5> gwd: no blockers
<gwd> lsm5: Cool.
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[14:39]
<gwd> quaid also mentioned oVirt potentially wanting to do join the Virt SIG;
I presume to have a re-build of qemu with some extra features enabled
<gwd> Is there anything to discuss about that?
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<gwd> kbsingh: Also, I have in the last meeting minutes something about dojos
and sponsorship? Was there an action item there for anyone? [14:40]
<kbsingh> unsure, but there are a few ovirt people on the virt-list now, so we
can ping there
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<kbsingh> gwd: we have a dojo on the day before Fosdem, I think virt-sig
should do something there, either a hack session or a talk session
<gwd> kbsingh: quaid responded to my e-mail announcing the Virt SIG meeting on
centos-virt
<gwd> Hrm
<gwd> fosdem> It's looking somewhat likely that I won't be able to make it to
FOSDEM next year, due to some personal stuff I have to sort out in the
US around that time. [14:41]
<kbsingh> gwd: ok, we should then try and find someone who can cover ? [14:43]
<kbsingh> brb
<kbsingh> back [14:44]
<gwd> kbsingh: Yes, that would be good. [14:45]
<gwd> kbsingh: Let me see if I can find someone to get involved. [14:46]
<kbsingh> thanks
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<gwd> OK, anything else to cover?
<kbsingh> the cloudsig is starting to finally get off the ground, do we want
to cross polinate with them a bit ? [14:47]
<kbsingh> maybe have someone from virtsig hangout in their meetings and ask
them to come along here as well
<pasik> jonludlam: would you like to email about the blktap2.5 kernel patches
once you figure it out?
<gwd> kbsingh: They're doing stuff like openstack, right?
<jonludlam> pasik, if there's anything actually to do, I will [14:48]
<kbsingh> gwd: yeah, openstack and eucalyptus looks to be what they are
starting with, then cloudstack and opennebula miht comealong later.
<jonludlam> it looks like the recent activity on the patch in our tree has
been to do with very large scalability
<jonludlam> which might not be of much interest
<pasik> jonludlam: thanks! [14:49]
<pasik> jonludlam: well, at least all the bugfixes are of interest :)
<jonludlam> pasik, for sure :-) [14:50]
<gwd> kbsingh: Yes. I'll see if I can start lurking on their meetings.
<jonludlam> talking of other SIGs, what needs to happen to kick off the ocaml
SIG? [14:51]
<gwd> Just real quick -- any other business we need to cover before we close
the Virt SIG meeting?
<kbsingh> jonludlam: not much, we just need to find a couple of problem
definitions that sig will try and solve, then propose it and bob's
your uncle
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<kbsingh> gwd: not from me.
<jonludlam> is 'we need it for xapi' a sufficient problem definiton? [14:52]
<jonludlam> I'm sure there are more problems it solve too... :-) [14:53]
<kbsingh> jonludlam: thats a good place to start from [14:54]
<kbsingh> jonludlam: lets pickup on that over email, i need to rebase over to
another call
<jonludlam> sure
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<gwd> Great, thanks everyone! [14:55]
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