Open Stack

On Thu, Mar 25, 2021 at 8:38 PM Jeremy Stanley <fungi at yuggoth.org> wrote:

> On 2021-03-25 14:47:09 +0000 (+0000), Sean Mooney wrote:
> > nova does not support create a base vm and then doing a local live
> > migration or restore for memory snapshots to create another vm.
> >
> > this approch likely has several security implciations that would
> > not be accpeatable in a multi tenant enviornment.
> >
> > we have disucssed this type of vm creation in the past and
> > determined that it is not a valid implematnion of spawn. a virt
> > driver that precreate vms or copys an existing instance can be
> > faster but that virt driver is not considered a compliant
> > implementation.
> >
> > so in short there is no way to achive this today in a compliant
> > openstack powered cloud.
> [...]
>
> The next best thing is basically what Nodepool[*] does: start new
> virtual machines ahead of time and keep them available in the
> tenant. This does of course mean you're occupying additional quota
> for whatever base "ready" capacity you've set for your various
> images/flavors, and that you need to be able to predict how many of
> what kinds of virtual machines you're going to need in advance.
>
> [*] https://zuul-ci.org/docs/nodepool/



Is it recommended to use nodepool in a production environment?



> --
> Jeremy Stanley
>
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