[nova][kolla] questions on cells
mark at stackhpc.com
Thu Oct 3 08:28:34 UTC 2019
On Wed, 2 Oct 2019 at 21:11, melanie witt <melwittt at gmail.com> wrote:
> On 9/30/19 8:14 PM, melanie witt wrote:
> > On 9/30/19 12:08 PM, Matt Riedemann wrote:
> >> On 9/30/2019 12:27 PM, Dan Smith wrote:
> >>>> 2. Do console proxies need to live in the cells? This is what devstack
> >>>> does in superconductor mode. I did some digging through nova code, and
> >>>> it looks that way. Testing with novncproxy agrees. This suggests we
> >>>> need to expose a unique proxy endpoint for each cell, and configure
> >>>> all computes to use the right one via e.g. novncproxy_base_url,
> >>>> correct?
> >>> I'll punt this to Melanie, as she's the console expert at this point,
> >>> but I imagine you're right.
> >> Based on the Rocky spec  which says:
> >> "instead we will resolve the cell database issue by running console
> >> proxies per cell instead of global to a deployment, such that the cell
> >> database is local to the console proxy"
> >> Yes it's per-cell. There was stuff in the Rock release notes about
> >> this  and a lot of confusion around the deprecation of the
> >> nova-consoleauth service for which Mel knows the details, but it looks
> >> like we really should have something documented about this too, here
> >>  and/or here .
> > To echo, yes, console proxies need to run per cell. This used to be
> > mentioned in our docs and I looked and found it got removed by the
> > following commit:
> > https://github.com/openstack/nova/commit/009fd0f35bcb88acc80f12e69d5fb72c0ee5391f
> > so, we just need to add back the bit about running console proxies per
> > cell.
> FYI I've proposed a patch to restore the doc about console proxies for
Great, thanks. I know it's merged, but I added a comment.
> >> 
> >> https://specs.openstack.org/openstack/nova-specs/specs/rocky/implemented/convert-consoles-to-objects.html
> >>  https://docs.openstack.org/releasenotes/nova/rocky.html
> >>  https://docs.openstack.org/nova/latest/user/cellsv2-layout.html
> >> 
> >> https://docs.openstack.org/nova/latest/admin/remote-console-access.html
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