Implement force delete for incremental backups sequence

Registered by Denis M. on 2014-07-14

Use case:
 - I can create N chained incremental backups in a row.
 - I can delete any backup i want by its ID.

From restore procedure perspective:
 - I can't successfuly restore instance if one or more backups are missing.

Valid workflow:
 - I can delete last backup that has no childs.

Stage 1. See https://bugs.launchpad.net/trove/+bug/1340203

Stage 2.
Pass '--force-delete' flag through backups API(HTTP Delete). This flag will give an ability to recursively delete all child backups and child of child and so on.

 - Advantages: 100% consistency. Simple interactions with users (as user, i don't have to delete all child backups and child of child and so on, i can do this with one call, just adding --force flag)
 - Disadvantages: None

Blueprint information

Status:
Complete
Approver:
None
Priority:
Undefined
Drafter:
None
Direction:
Needs approval
Assignee:
None
Definition:
Obsolete
Series goal:
None
Implementation:
Unknown
Milestone target:
None
Completed by
Denis M. on 2014-07-15

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