swift backup driver: support configurable storage policy

Registered by FengJiankui

Swift has supported different storage policies. User need to select specfied storage policy to storage backup, but now user only select default-placement.

NOTE(rosmaita): would be good to have more info about this. See my comments on https://review.opendev.org/746025

Blueprint information

Status:
Complete
Approver:
FengJiankui
Priority:
Medium
Drafter:
FengJiankui
Direction:
Approved
Assignee:
Tobias Urdin
Definition:
Approved
Series goal:
Accepted for xena
Implementation:
Implemented
Milestone target:
milestone icon xena-3
Started by
Brian Rosmaita
Completed by
Brian Rosmaita

Related branches

Sprints

Whiteboard

Gerrit topic: https://review.opendev.org/#/q/topic:swift-storage-policy

There are two patches proposed for this. The second one is farther along, I think, but there is relevant discussion on both reviews.

https://review.opendev.org/746025
    Add backup_swift_storage_policy cfg

https://review.opendev.org/c/openstack/cinder/+/761113
    Add backup_swift_create_storage_policy config opt

(?)

Work Items

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