doc: Flavors in nova - numbered request groups

[Matt Riedemann]

- [x] This is a doc addition request.

The flavors doc mentions traits but does not mention anything about granular resource request groupings as described in the spec:

https://specs.openstack.org/openstack/nova-specs/specs/queens/approved/granular-resource-requests.html#syntax-in-flavors

Related API documentation can be found in the placement developer reference:

https://docs.openstack.org/nova/latest/user/placement.html#granular-resource-requests-to-get-allocation-candidates

And API reference:

https://developer.openstack.org/api-ref/placement/?expanded=list-allocation-candidates-detail#list-allocation-candidates

-----------------------------------
Release: 18.1.0.dev629 on 2018-10-30 13:27
SHA: d1e38f06bb5282dd9bf81d979926a0ebbfd93caa
Source: https://git.openstack.org/cgit/openstack/nova/tree/doc/source/user/flavors.rst
URL: https://docs.openstack.org/nova/latest/user/flavors.html

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/621494

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/621494
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=6cc88bab4fd1894934596546028b13701f6082d4
Submitter: Zuul
Branch: master

commit 6cc88bab4fd1894934596546028b13701f6082d4
Author: Takashi NATSUME <email address hidden>
Date: Mon Dec 3 07:02:45 2018 +0000

    Add descriptions of numbered resource classes and traits

    Add descriptions about numbered resource classes and traits
    in the Flavor doc.

    Change-Id: I4878df606037ca95441bdefd748f4fc9eabedf97
    Closes-Bug: #1800661

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/nova 19.0.0.0rc1 release candidate.