[infra][tc] Container images in openstack/ on Docker Hub

Jay Pipes jaypipes at gmail.com
Mon Jan 28 16:18:55 UTC 2019


On 01/28/2019 11:00 AM, Mohammed Naser wrote:
> On Mon, Jan 28, 2019 at 10:58 AM Jay Pipes <jaypipes at gmail.com> wrote:
>>
>> On 01/28/2019 10:43 AM, Mohammed Naser wrote:
>>> On Mon, Jan 28, 2019 at 10:41 AM Jay Pipes <jaypipes at gmail.com> wrote:
>>>>
>>>> On 01/28/2019 10:24 AM, Mohammed Naser wrote:
>>>>> Perhaps, we should come up with the first initial step of providing
>>>>> a common way of building images (so a use can clone a repo and do
>>>>> 'docker build .') which will eliminate the obligation of having to
>>>>> deal with binaries, and then afterwards reconsider the ideal way of
>>>>> shipping those out.
>>>>
>>>> Isn't that precisely what LOCI offers, Mohammed?
>>>>
>>>> Best,
>>>> -jay
>>>>
>>>
>>> I haven't studied LOCI as much however I think that it would be good to
>>> perhaps look into bringing that approach in-repo rather than out-of-repo
>>> so a user can simply git clone, docker build .
>>>
>>> I have to admit, I'm not super familiar with LOCI but as far as I know, that's
>>> indeed what I believe it does.
>>
>> Yes, that's what LOCI can do, kinda. :) Technically there's some
>> Makefile foo that iterates over projects to build images for, but it's
>> essentially what it does.
>>
>> Alternately, you don't even need to build locally. You can do:
>>
>> docker build https://git.openstack.org/openstack/loci.git \
>>     --build-arg PROJECT=keystone \
>>     --tag keystone:ubuntu
>>
>> IMHO, the real innovation that LOCI brings is the way that it builds
>> wheel packages into an intermediary docker build container and then
>> installs the service-specific Python code into a virtualenv inside the
>> target project docker container after injecting the built wheels.
>>
>> That, and LOCI made a good (IMHO) decision to just focus on building the
>> images and not deploying those images (using Ansible, Puppet, Chef, k8s,
>> whatever). They kept the deployment concerns separate, which is a great
>> decision since deployment tools are a complete dumpster fire (all of them).
> 
> Thanks for that, I didn't know about this, I'll do some more reading about LOCI
> and it how it goes about doing this.
> 
> Thanks Jay.

No problem. Also a good thing to keep in mind is that kolla-ansible is 
able to deploy LOCI images, AFAIK, instead of the "normal" Kolla images. 
I have not tried this myself, however, so perhaps someone with 
experience in this might chime in.

Best,
-jay





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