368b6d9293
Adds a new placement API microversion that supports specifying multiple member_of parameters to the GET /resource_providers and GET /allocation_candidates API endpoints. When multiple member_of parameters are found, they are passed down to the ResourceProviderList.get_by_filters() method as a list. Items in this list are lists of aggregate UUIDs. The list of member_of items is evaluated so that resource providers matching ALL of the member_of constraints are returned. When a member_of item contains multiple UUIDs, we look up resource providers that have *any* of those aggregate UUIDs associated with them. Change-Id: Ib4f1955f06f2159dfb221f3d2bc8ff7bfce71ee2 blueprint: alloc-candidates-member-of
21 lines
1.0 KiB
YAML
21 lines
1.0 KiB
YAML
---
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features:
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- |
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A new 1.24 placement API microversion adds the ability to specify multiple
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`member_of` query parameters for the `GET /resource_providers` and `GET
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allocation_candidates` endpoints.
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When multiple `member_of` query parameters are received, the placement
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service will return resource providers that match all of the requested
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aggregate memberships. The `member_of=in:<agg uuids>` format is still
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supported and continues to indicate an IN() operation for aggregate
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membership. Some examples for using the new functionality:
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Get all providers that are associated with BOTH agg1 and agg2:
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?member_of=agg1&member_of=agg2
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Get all providers that are associated with agg1 OR agg2:
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?member_of=in:agg1,agg2
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Get all providers that are associated with agg1 and ANY OF (agg2, agg3):
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?member_of=agg1&member_of=in:agg2,agg3
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Get all providers that are associated with ANY OF (agg1, agg2) AND are also
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associated with ANY OF (agg3, agg4):
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?member_of=in:agg1,agg2&member_of=in:agg3,agg4
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