[openstack-dev] [kolla] Tags, revisions, dockerhub

Fox, Kevin M Kevin.Fox at pnnl.gov
Tue Apr 18 19:25:51 UTC 2017


Yes. within a stable branch, the kolla code hardly ever changes. but nova may put out a new release, or openssl may put out a new release.
________________________________________
From: Michał Jastrzębski [inc007 at gmail.com]
Sent: Tuesday, April 18, 2017 9:19 AM
To: OpenStack Development Mailing List (not for usage questions)
Subject: Re: [openstack-dev] [kolla] Tags, revisions, dockerhub

Our issue is a bit complex tho. Dockerhub-pushed images are less
affected by version of our code than versions of everyone else's code.

On 18 April 2017 at 07:36, Flavio Percoco <flavio at redhat.com> wrote:
> On 13/04/17 13:48 +1200, Steve Baker wrote:
>>
>> On Thu, Apr 13, 2017 at 10:59 AM, Michał Jastrzębski <inc007 at gmail.com>
>> wrote:
>>
>>> My dear Kollegues,
>>>
>>> Today we had discussion about how to properly name/tag images being
>>> pushed to dockerhub. That moved towards general discussion on revision
>>> mgmt.
>>>
>>> Problem we're trying to solve is this:
>>> If you build/push images today, your tag is 4.0
>>> if you do it tomorrow, it's still 4.0, and will keep being 4.0 until
>>> we tag new release.
>>>
>>> But image built today is not equal to image built tomorrow, so we
>>> would like something like 4.0.0-1, 4.0.0-2.
>>> While we can reasonably detect history of revisions in dockerhub,
>>> local env will be extremely hard to do.
>>>
>>> I'd like to ask you for opinions on desired behavior and how we want
>>> to deal with revision management in general.
>>>
>>>
>> I already have a change which proposes tagging images with a pbr built
>> version [1]. I think if users want tags which are stable for the duration
>> of a major release they should switch to using the tag specified by
>> kolla-build.conf base_tag, which can be set to latest, ocata, pike, etc.
>> This would leave the version tag to at least track changes to the kolla
>> repo itself. Since the contents of upstream kolla images come from such
>> diverse sources, all I could suggest to ensure unique tags are created for
>> unique images is to append a datestamp to [1] (or have an extra datestamp
>> based tag). Bonus points for only publishing a new datestamp tag if the
>> contents of the image really changes.
>>
>> In the RDO openstack-kolla package we now tag images with the
>> {Version}-{Release} of the openstack-kolla package which built it[2]. I
>> realise this doesn't solve the problem of the tag needing to change when
>> other image contents need to be updated, but I believe this can be solved
>> within the RDO image build pipeline by incrementing the {Release} whenever
>> a new image needs to be published.
>>
>> [1] https://review.openstack.org/#/c/448380/
>> [2] https://review.rdoproject.org/r/#/c/5923/1/openstack-kolla.spec
>
>
> I like this option better because it's more consistent with how things are
> done
> elsewhere in OpenStack.
>
> Flavio
>
> --
> @flaper87
> Flavio Percoco
>
> __________________________________________________________________________
> OpenStack Development Mailing List (not for usage questions)
> Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>

__________________________________________________________________________
OpenStack Development Mailing List (not for usage questions)
Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev



More information about the OpenStack-dev mailing list