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[John Garbutt <John.Garbutt@xxxxxxxxxx>]

> I pinged Anne Gentle about the docs missing this (apparently
> core) API server action and she will be working to get this added to the
> current docs -- especially since novaclient already has support for it...
Good good.
 
> The more I think about it, I believe a single migration API would be simplest,
> with the ability to specify options for the migration.
> Something like:
> 
> POST /servers/<SERVER_ID>/action
> 
> {
>  'action': 'migrate',
>  'migrate_options':
>  {
>   'live': true,
>   'no_live_fallback': true,
>   'migrate_disks':
>   {
>    <DISK_UUID1>, ...
>   }
>  }
> }
> 
> With the options being fairly self-explanatory other than the
> 'no_live_fallback': true being used to indicate the caller wishes to fallback
> on a stop/move/start migration if shared disk (or a hypervisor restriction or
> non-matching CPU restriction) prohibits the "live" migration.

+1

This is exactly what I was attempting to propose in the blueprint Renuka was planning to write and work on.

Cheers,
John