[openstack-dev] [tc][infra][release][security][stable][kolla][loci][tripleo][docker][kubernetes] do we want to be publishing binary container images?

Doug Hellmann doug at doughellmann.com
Tue May 16 13:45:54 UTC 2017


Excerpts from Flavio Percoco's message of 2017-05-15 21:50:23 -0400:
> On 15/05/17 11:49 -0700, Michał Jastrzębski wrote:
> >On 15 May 2017 at 11:19, Davanum Srinivas <davanum at gmail.com> wrote:
> >> Sorry for the top post, Michal, Can you please clarify a couple of things:
> >>
> >> 1) Can folks install just one or two services for their specific scenario?
> >
> >Yes, that's more of a kolla-ansible feature and require a little bit
> >of ansible know-how, but entirely possible. Kolla-k8s is built to
> >allow maximum flexibility in that space.
> >
> >> 2) Can the container images from kolla be run on bare docker daemon?
> >
> >Yes, but they need to either override our default CMD (kolla_start) or
> >provide ENVs requred by it, not a huge deal
> >
> >> 3) Can someone take the kolla container images from say dockerhub and
> >> use it without the Kolla framework?
> >
> >Yes, there is no such thing as kolla framework really. Our images
> >follow stable ABI and they can be deployed by any deploy mechanism
> >that will follow it. We have several users who wrote their own deploy
> >mechanism from scratch.
> >
> >Containers are just blobs with binaries in it. Little things that we
> >add are kolla_start script to allow our config file management and
> >some custom startup scripts for things like mariadb to help with
> >bootstrapping, both are entirely optional.
> 
> Just as a bonus example, TripleO is currently using kolla images. They used to
> be vanilla and they are not anymore but only because TripleO depends on puppet
> being in the image, which has nothing to do with kolla.
> 
> Flavio
> 

When you say "using kolla images," what do you mean? In upstream
CI tests? On contributors' dev/test systems? Production deployments?

Doug



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