Deprecate chance and simple schedulers

Registered by Avishay Traeger on 2013-12-08

With the addition of ChanceWeigher, the policies of both the chance
and simple schedulers can now be implemented using the filter
scheduler. Keeping these schedulers unnecessarily increases the test
matrix and significantly increases the development effort of new
features that require scheduler support. Not to mention that they were
poorly tested and buggy.

Blueprint information

Status:
Complete
Approver:
John Griffith
Priority:
Medium
Drafter:
Avishay Traeger
Direction:
Approved
Assignee:
Huang Zhiteng
Definition:
Approved
Series goal:
Accepted for icehouse
Implementation:
Implemented
Milestone target:
milestone icon 2014.1
Started by
Thierry Carrez on 2014-01-07
Completed by
Thierry Carrez on 2014-01-14

Related branches

Sprints

Whiteboard

Gerrit topic: https://review.openstack.org/#q,topic:bp/deprecate-chance-and-simple-schedulers,n,z

Addressed by: https://review.openstack.org/60690
    Deprecate chance and simple schedulers

Addressed by: https://review.openstack.org/63680
    Add AllocatedCapacityWeigher

Addressed by: https://review.openstack.org/63794
    Replace Simple/Chance Scheduler with FilterScheduler

Addressed by: https://review.openstack.org/64645
    Drop Chance/SimpleScheduler Implementation

Addressed by: https://review.openstack.org/84309/
    Remove TS item on setting cinder simple scheduler (docs)

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Work Items

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