Add support for selectable scheduler filter chains

Registered by aeva black on 2013-04-25

During the Havana summit, there were several discussions about adding scheduler support for multiple hypervisors. These seemed to settle on the idea of allowing the scheduler to choose a filter chain based on the request (eg, based on flavor extra_specs), and putting the multi-hypervisor-awareness into scheduler filters.

The implementation details of this probably still need to be discussed, though....

Blueprint information

Status:
Complete
Approver:
None
Priority:
Undefined
Drafter:
None
Direction:
Needs approval
Assignee:
None
Definition:
Superseded
Series goal:
None
Implementation:
Unknown
Milestone target:
None
Completed by
Russell Bryant on 2013-07-25

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