[openstack-dev] [tripleo] [ironic] Where to keep discover images

Dmitry Tantsur divius.inside at gmail.com
Tue Apr 14 20:40:41 UTC 2015


Hi,

actually 2 possibilities here:
1. discoverd itself handles TFTP
2. DiscoverdInspect hanldes TFTP

I vote for the 2nd, as we have all required code in Ironic already. I guess
initial question was about the 1st case, which I doubt is worth supporting.
Anyway, nice idea for an improvement!

Dmitry


2015-04-14 22:27 GMT+02:00 Devananda van der Veen <devananda.vdv at gmail.com>:

> I'm wondering.... Rather than have a static config, could the
> DiscoverdInspect interface handle setting up the TFTP config, pulling
> those images from Glance, etc, when a node is moved into the "inspect"
> state (assuming such integration was desired by the cloud operator)?
>
> -Deva
>
> On Fri, Apr 10, 2015 at 12:31 AM, Dmitry Tantsur <dtantsur at redhat.com>
> wrote:
> > On 04/10/2015 01:43 AM, Jaromir Coufal wrote:
> >>
> >> Hey Dmitry,
> >
> >
> > o/
> >
> >>
> >> I wanted to ask you about ironic-discoverd.
> >>
> >> At the moment, after build, the discovery images are copied into local
> >> folder:
> >>
> >> TFTP_ROOT=${TFTP_ROOT:-/tftpboot}
> >>
> >> sudo cp -f "$IMAGE_PATH/$DISCOVERY_NAME.kernel"
> >> "$TFTP_ROOT/discovery.kernel"
> >> sudo cp -f "$IMAGE_PATH/$DISCOVERY_NAME.initramfs"
> >> "$TFTP_ROOT/discovery.ramdisk"
> >>
> >> I am wondering why is that and if discoverd can work with these images
> >> if they were loaded into glance.
> >
> >
> > Discoverd is not concerned with TFTP configuration (unlike Ironic), so
> you
> > can put them everywhere, provided that your TFTP still works. Currently
> we
> > use static configuration, as it's the easiest one.
> >
> >
> >> I mean it would be definitely more
> >> convenient than keeping them locally.
> >>
> >> Thanks
> >> -- Jarda
> >
> >
> >
> >
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-- 
--
-- Dmitry Tantsur
--
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