[ops][nova][spice][victoria] Switch from VNC to SPICE

Stephen Finucane stephenfin at redhat.com
Fri Jun 18 18:02:21 UTC 2021


On Fri, 2021-06-18 at 17:53 +0000, DHilsbos at performair.com wrote:
> Stephen;
> 
> Thank you for the information.
> 
> What's the replacement?  Is VNC getting improvements to allow higher resolutions, and multi-monitor, in the guest?

I'm not sure, though I suspect VNC is "good enough" for most use cases and no
replacement is planned. This is speculation though and this question would be
best directed at your distro or the libvirt maintainers. There are no plans to
introduce another video console option in nova at this time.

> We've already decided to transition our OpenStack cluster away from CentOS, as RDO doesn't package some of the OpenStack projects we'd like to use, and RedHat has lost our trust.

In that case, this might matter less as I don't know what other distros' plans
are for SPICE support. To the best of my knowledge it's not being deprecated or
removed from upstream QEMU or libvirt yet. Whether that remains the case with
more limited investment in the technology remains to be seen.

Stephen

> Thank you,
> 
> Dominic L. Hilsbos, MBA 
> Vice President – Information Technology 
> Perform Air International Inc.
> DHilsbos at PerformAir.com 
> www.PerformAir.com
> 
> 
> -----Original Message-----
> From: Stephen Finucane [mailto:stephenfin at redhat.com] 
> Sent: Friday, June 18, 2021 10:33 AM
> To: Dominic Hilsbos; openstack-discuss at lists.openstack.org
> Subject: Re: [ops][nova][spice][victoria] Switch from VNC to SPICE
> 
> On Fri, 2021-06-18 at 16:53 +0000, DHilsbos at performair.com wrote:
> > All;
> > 
> > We have a Victoria cluster, and I'd like to switch from VNC to SPICE.  Cluster is installed with packages (RDO), and configured manually.
> > 
> > I have located https://docs.openstack.org/nova/victoria/admin/remote-console-access.html, but this doesn't tell me which services need to be installed on which servers.
> > 
> > Looking at packages, I'm fairly certain nova-spicehtml5proxy (openstack-nova-spicehtml5proxy on CentOS 8) needs to be installed where the nova-novncproxy is currently.
> > 
> > I also suspect that qemu-kvm-ui-spice needs to be installed on the nova-compute nodes.  Is spice-server needed on the nova-compute nodes?
> 
> Not an answer, but I'd be very careful about building solutions based on SPICE.
> It has been deprecated in RHEL 8.3 and recent versions of Fedora and is slated
> for removal in RHEL 9, as this bug [1] points out. It is also receives very
> little attention in nova as some deployments tooling (such as Red Hat OSP) has
> not supported it for some time. There's a non-zero chance support for this
> console type will be dropped entirely in some future release.
> 
> Stephen
> 
> [1] https://bugzilla.redhat.com/show_bug.cgi?id=1946938
> 
> > Thank you,
> > 
> > Dominic L. Hilsbos, MBA 
> > Vice President - Information Technology 
> > Perform Air International Inc.
> > DHilsbos at PerformAir.com 
> > www.PerformAir.com
> > 
> > 
> > 
> 
> 
> 





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