Support subtree filter for GET /resource_providers

Registered by Balazs Gibizer on 2018-08-22

Querying resource providers belonging to a given RP subtree will be a necessary
operation as soon as nested resource providers will be widely used. The current
``in_tree`` query param can only be used to query RPs in a single tree. If the
client wants to filter for just a subtree then it has to do that filter on the
client side.

So this bp proposes to introduce the ``subtree`` query parameter for the ``GET /resource_providers`` placement API.

Blueprint information

Status:
Not started
Approver:
None
Priority:
Undefined
Drafter:
Balazs Gibizer
Direction:
Needs approval
Assignee:
Balazs Gibizer
Definition:
New
Series goal:
None
Implementation:
Unknown
Milestone target:
None

Related branches

Sprints

Whiteboard

Gerrit topic: https://review.openstack.org/#q,topic:bp/placement-subtree-filter-for-resource-providers,n,z

Addressed by: https://review.openstack.org/595236
    Add subtree filter for GET /resource_providers

Addressed by: https://review.openstack.org/565741
    Placement: support mixing required traits with any traits

(?)

Work Items

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