Split different live-migration types in nova

Registered by Timofey Durakov on 2015-09-18

There are different types of live-migrations in nova, depending on instance type and environment configuration. while there only one method in compute's manager and driver layer, called live-migrate. this cause a lot of "if, else"-blocks, lot of flows, code grows. it's hard to understand what is going on. It's time to change this.
To make things clearer, we should split different live-migration type into several methods

Blueprint information

Status:
Not started
Approver:
John Garbutt
Priority:
Undefined
Drafter:
Timofey Durakov
Direction:
Needs approval
Assignee:
Timofey Durakov
Definition:
New
Series goal:
None
Implementation:
Unknown
Milestone target:
None

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Gerrit topic: https://review.openstack.org/#q,topic:bp/split-different-live-migration-types,n,z

Addressed by: https://review.openstack.org/225910
    Split different live-migration types in nova

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