[openstack-dev] [OpenStack][Nova][Scheduler] Promote select_destination as a REST API

Chris Friesen chris.friesen at windriver.com
Mon Jul 21 16:57:07 UTC 2014


On 07/21/2014 09:52 AM, Jay Lau wrote:
> Sorry, correct one typo. I mean "Promote select_destination as a REST API"
>
>
> 2014-07-21 23:49 GMT+08:00 Jay Lau <jay.lau.513 at gmail.com
> <mailto:jay.lau.513 at gmail.com>>:
>
>     Now in OpenStack Nova, select_destination is used by
>     create/rebuild/migrate/evacuate VM when selecting target host for
>     those operations.
>
>     There is one requirement that some customers want to get the
>     possible host list when create/rebuild/migrate/evacuate VM so as to
>     create a resource plan for those operations, but currently
>     select_destination is not a REST API, is it possible that we promote
>     this API to be a REST API?

How would that work, given that when they go to actually perform the 
operation the conditions may have changed and the selected destination 
may be different?

Or is the idea that they would do a select_destination call, and then 
call the create/rebuild/migrate/evacuate while specifying the selected 
destination?

Chris




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