[placement][nova][ptg] Resourceless trait filters
On Wed, Apr 10, 2019 at 5:37 PM, Eric Fried <openstack at fried.cc> wrote:
>> So we have a specific use case: COMPUTE_TRUSTED_CERTS + NUMA
>> placement to support traits on RPs that are not providing resources.
>> Will in this case VCPU and MEMORY_MB always requested in the
>> group still? Or there are cases when those resources are requested
>> in a
>> numbered group?
> That'll depend on the outcome of the various NUMA modeling
> but as soon as we need to be able to request resources from more than
> one NUMA node, it seems certain that we'll need to use numbered
Then we need two steps:
1) handle RPs that only have traits but not resources
2) allow having the numbered request groups specify only a trait
without requesting resources.