Open Stack

2017-06-09 22:18 GMT+02:00 Paul Belanger <pabelanger at redhat.com>:

> On Fri, Jun 09, 2017 at 07:58:44PM +0000, Jeremy Stanley wrote:
> > On 2017-06-07 14:26:10 +0800 (+0800), Xinliang Liu wrote:
> > [...]
> > > we already have our own pre-built debian cloud image, could I just
> > > use it and not use the one built by diskimage-builder?
> > [...]
> >
> > The short answer is that nodepool doesn't currently have support for
> > directly using an image provided independent of its own image build
> > process. Clark was suggesting[*] in IRC today that it might be
> > possible to inject records into Zookeeper (acting as a "fake"
> > nodepool-builder daemon basically) to accomplish this, but nobody
> > has yet implemented such a solution to our knowledge.
> >
> > Longer term, I think we do want a feature in nodepool to be able to
> > specify the ID of a prebuilt image for a label/provider (at least we
> > discussed that we wouldn't reject the idea if someone proposed a
> > suitable implementation). Just be aware that nodepool's use of
> > diskimage-builder to regularly rebuild images is intentional and
> > useful since it ensures images are updated with the latest packages,
> > kernels, warm caches and whatever else you specify in your elements
> > so reducing job runtimes as they spend less effort updating these
> > things on every run.
> >
> > [*] <URL: http://eavesdrop.openstack.org/irclogs/%23openstack-
> infra/%23openstack-infra.2017-06-09.log.html#t2017-06-09T15:32:27-2 >
> > --
> > Jeremy Stanley
>
> Actually, I think 458073[1] aims to fix this use case.  I haven't tired it
> myself but it adds support for using images which are not built and
> managed by
> nodepool.
>
> This is currently only on feature/zuulv3 branch.
>
> [1] https://review.openstack.org/#/c/458073/
>
>
That's right, support for cloud-images on feature/zuulv3 is now merged and
working.
I just setup a Nodepool using this new feature over the weekend.

This is a nodepool.yaml that can help you get going:

http://paste.openstack.org/show/612191/

HTH


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