[nova][neutron][cyborg] Bandwidth (and accel) providers are broken if CONF.host is set

Sean Mooney smooney at redhat.com
Mon Nov 25 15:17:44 UTC 2019


On Mon, 2019-11-25 at 07:51 -0600, Matt Riedemann wrote:
> On 11/22/2019 10:14 AM, Bal√°zs Gibizer wrote:
> > Opened a blueprint[1], pushed up a small spec[2], and a WIP
> > implementation[3] for the new API.
> > 
> > Cheers,
> > gibi
> > 
> > [1]
> > https://blueprints.launchpad.net/nova/+spec/filter-hypervisors-by-service-host
> > [2]https://review.opendev.org/#/c/695716
> 
> The contentious point on the spec seems to be that it currently proposes 
> to keep the same (incorrect) behavior where if filtering by 
> hypevisor_hostname_pattern yields no results the API returns a 404 error 
> today when it should just return an empty list. The question in the spec 
> is then if when we add service_host filtering, if there are no results 
> do we:
> 
> 1. 404 (that's what the spec proposes to be consistent with existing 
> [odd] behavior)
> 
> 2. Return an empty list and in the same microversion change that 404 -> 
> empty response behavior even if not filtering by service_host (so just 
> filtering by hypervisor_hostname_pattern).
> 
>  From the review it sounds like most people (myself, Alex and Chris) 
> think we should go with the latter and not perpetuate the former sin.
for what its worth that would be my preference as well.
> 




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