[openstack-dev] [nova] Concern about trusted certificates API change

Jay Pipes jaypipes at gmail.com
Wed Apr 18 17:16:44 UTC 2018


On 04/18/2018 01:14 PM, Matt Riedemann wrote:
> On 4/18/2018 12:09 PM, Chris Friesen wrote:
>> If this happens, is it clear to the end-user that the reason the boot 
>> failed is that the cloud doesn't support trusted cert IDs for 
>> boot-from-vol?  If so, then I think that's totally fine.
> 
> If you're creating an image-backed server and requesting specific 
> trusted certs, you'll get by the API but could land on a compute host 
> that doesn't support image validation, like any non-libvirt driver, and 
> at that point the trusted certs request is ignored.
> 
> We could fix that the same way I've proposed we fix it for boot from 
> volume with multiattach volumes in that the compute node resource 
> provider would have a trait on it for the capability, and we'd add a 
> placement request filter that detects, from the RequestSpec, that you're 
> trying to do this specific thing that requires a compute that supports 
> that capability, otherwise you get NoValidHost.

+1

Still looking for reviews on https://review.openstack.org/#/c/546713/.

Thanks,
-jay



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