Add the function of deleting alarm history

Registered by Rikimaru Honjo

Currently the ceilometer-expirer doesn't delete expired AlarmChanges.
So we need to add the function of deleting alarm history.

Blueprint information

Status:
Complete
Approver:
ZhiQiang Fan
Priority:
Low
Drafter:
Rikimaru Honjo
Direction:
Approved
Assignee:
Rikimaru Honjo
Definition:
Approved
Series goal:
Accepted for liberty
Implementation:
Implemented
Milestone target:
milestone icon 5.0.0
Started by
ZhiQiang Fan
Completed by
ZhiQiang Fan

Related branches

Sprints

Whiteboard

Gerrit topic: https://review.openstack.org/#q,topic:bp/delete-alarmhistory,n,z

spec Addressed by: https://review.openstack.org/103849
    Add spec for deleting alarm history

Addressd by:https://review.openstack.org/87869
  Add the function of deleting alarm history

(?)

Work Items

This blueprint contains Public information 
Everyone can see this information.