nova/releasenotes/notes/allocation-candidates-trait...

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YAML

---
features:
- |
Add ``required`` query parameter to the ``GET /allocation_candidates`` API
in new placement microversion 1.17. The parameter accepts a list of traits
separated by ``,``, which is used to further limit the list of allocation
requests to resource providers that have the capacity to fulfill the
requested resources AND *collectively* have all of the required traits
associated with them. In the same microversion, the provider summary
includes the traits associated with each provider.