[nova] retire a flavor

Florian Engelmann florian.engelmann at everyware.ch
Mon Apr 1 15:40:57 UTC 2019


as far as I tested it is not possible to change a flavor from public to 
private. Managing access to flavors on a project basis might be an 
option for a private cloud but not for a public one.

There are a lot of unit tests about:

             "alias": "OS-FLV-DISABLED",
             "description": "Support to show the disabled status of a 

What's that feature for? How does it work? Is this ongoing?

I think we need some method to retire images and flavors.

All the best,

Am 3/31/19 um 11:57 AM schrieb Sean Mooney:
> On Fri, 2019-03-29 at 11:25 -0500, Eric Fried wrote:
>> Florian-
>> You can definitely delete a flavor [1].
>> Don't worry about it affecting existing instances that were created with
>> that flavor: nova stores a copy of the flavor with the instance itself
>> so the information is preserved.
>> Thanks for the question!
> the other option if you want to keep the flavor but not make it usable by
> new instances in general is to use the os-flavor-access api.
> https://developer.openstack.org/api-ref/compute/?expanded=#flavors-access-flavors-os-flavor-access
> This allows you to make a flavor private and control what project can use it.
> unfortunetly we seam to have almost no documentation for this however that is what the --project argument
> to openstack flavor set is used to contol.
> https://docs.openstack.org/python-openstackclient/pike/cli/command-objects/flavor.html#flavor-set
> e.g. openstack flavor set --project <my admin/hidden project> <flavor i want to retire>
> this will allow you to retire the flavor more selectively.
> so if you have a important customer that needs a little more time to move to your new flavor offerings
> you can similarly add them to the now private flavor to aide there transition before you actually delete it.
> as efried said you can delete the flavor without issue so if you are not worred about it breaking
> ci or other automation and can simply remove the flavor that hsould be safe to do so.
>> -efried
>> [1]
>> https://docs.openstack.org/nova/latest/admin/flavors.html#delete-a-flavor
>> On 3/29/19 10:43 AM, Florian Engelmann wrote:
>>> Hi,
>>> I would like to retire old flavors we don't want to be use any more. I
>>> guess deleting is the wrong way to retire flavors? I was not able to
>>> find any documentation about how the life-cycle of a flavor works.
>>> Any help is very welcome.
>>> All the best,
>>> Florian


EveryWare AG
Florian Engelmann
Senior UNIX Systems Engineer
Zurlindenstrasse 52a
CH-8003 Z├╝rich

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