[openstack-dev] [tc][infra][release][security][stable][kolla][loci][tripleo][docker][kubernetes] do we want to be publishing binary container images?
flavio at redhat.com
Tue May 16 14:07:52 UTC 2017
On 16/05/17 09:45 -0400, Doug Hellmann wrote:
>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.
>When you say "using kolla images," what do you mean? In upstream
>CI tests? On contributors' dev/test systems? Production deployments?
All of them. Note that TripleO now builds its own "kolla images" (it uses the
kolla Dockerfiles and kolla-build) because the dependency of puppet. When I
said, TripleO uses kolla images was intended to answer Dims question on whether
these images (or Dockerfiles) can be consumed by other projects.
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