On Mon, 3 Dec 2018 19:54:44 +0200
Barak Korren <[email protected]> wrote:

> בתאריך יום ב׳, 3 בדצמ׳ 2018, 15:22, מאת Dan Horák <[email protected]>:
> 
> > On Mon, 3 Dec 2018 14:24:00 +0200
> > Barak Korren <[email protected]> wrote:
> >
> > > On Mon, 3 Dec 2018 at 10:37, Dan Horák <[email protected]> wrote:
> > >
> > > > Hi Barak,
> > > >
> > > > On Sun, 2 Dec 2018 09:50:34 +0200
> > > > Barak Korren <[email protected]> wrote:
> > > >
> > > > > Hi Dan,
> > > > >
> > > > > How are you.
> > > > >
> > > > > As you know we've been using `lfedora1.lf-dev.marist.edu` to
> > > > > generate s390x build of oVirt.
> > > > >
> > > > > We've recently seen some failures that have to do with running
> > > > > our of space on the node. Some of this seems to be our fault,
> > > > > as clearing up stale mock chroots we created freed up about
> > > > > 14G, but after doing that I still see there are 48G used
> > > > > there (Is the OS image that big?). Can some more space be
> > > > > cleared up on the node? Could we perhaps have the disk space
> > > > > increased there?
> > > >
> > > > thanks for info, I'm looking into it. There are multiple users
> > > > sharing the machine, so someone else might have used the all
> > > > free space :-) How easily you could migrate your setup to our
> > > > second guest (same specs)? We could try the containers there.
> > > >
> > >
> > > I'd rather keep the current setup as it is, and have it keep
> > > working as we try out the containers. We can remove it once the
> > > containers are working well...
> >
> > ok, makes sense
> >
> > I've already removed some old cached data, so jobs on the guest
> > should work again. I'm going update and reboot the guest, sometimes
> > there are removed, but not closed, files reducing the free disk
> > space.
> >
> > > > I was also wondering, could we setup and use Docker on that
> > > > node?
> > > > > We've been switching to using containers on our regular CI
> > > > > nodes, and it'd be a shame to leave s390x behind...
> > > >
> > > > I have been thinking about containers already as another level
> > > > of interaction. I would prefer podman (and co) for the runtime,
> > > > it's RH preferred technology, doesn't require a daemon and
> > > > allows non-privileged use.
> > > >
> > >
> > > I'm all for using podman down the line, but there are a few
> > > reasons why we need docker currently:
> > >
> > >    1. All our existing code had been developed and tested on
> > > Docker, we will switch to podman eventually, but we're not gonna
> > > be ready for that in the near future.
> > >    2. The main thing we want to do is use the jenkins-docker
> > > plugin to spin up and remove the containers for us - there is
> > > AFAIK is no plugin for podman ATM.
> >
> > might be worth to let the podman team know about
> >
> 
> I think I heard this idea been floated around, but no actual work
> going on... I'd rather not hold my breath...

ack :-)
 
> 
> > > WRT non privileged use - we're currently still running mock
> > > inside the container, so we need it to be privileged...
> >
> > AFAIK podman gives you a root user in the container even when you
> > start the container as a regular user, which is why I like it for
> > shared machines like this.
> >
> 
> I understand perfectly... But given that it still has some maturing
> to do, and I'd rather be able to use containers sooner then later,
> would you mind trusting us not to break the machine for a while?
> (We've been nice citizens so far no?)
> 
> (Moving to the containers across the board is the 1st step in
> deprecating a lot of old code with have around mock and I'd hate to
> have to keep it just for s390x now that I know Docker is available...)

my talk about podman wasn't meant to exclude the use of docker and
block your plans in any way. I rather tried to understand the whole
situation.


                Dan
_______________________________________________
Infra mailing list -- [email protected]
To unsubscribe send an email to [email protected]
Privacy Statement: https://www.ovirt.org/site/privacy-policy/
oVirt Code of Conduct: 
https://www.ovirt.org/community/about/community-guidelines/
List Archives: 
https://lists.ovirt.org/archives/list/[email protected]/message/DEQVR6A3IDZYZVXFCNFMOVQQFND52WN2/

Reply via email to