[Starlingx-discuss] [Container] Public docker registry

Scott Little scott.little at windriver.com
Tue Dec 4 18:29:12 UTC 2018


Here is my proposal for the StarlingX docker repository.

**Docker repository location**

- hub.docker.com, as a public set of repositories under the organization 
'starlingx'**
**

*Build frequency*

- On demand for release/milestone branches

- Will probably start with daily for master branch.  Perhaps when things 
stabilize we'll reduce build frequency, or even use commit driven builds.

*Retention policy
*

- Perhaps two weeks for master branch builds?  but always one 'stable' 
build (see below)

- Will start with daily for master branch.  Perhaps when things 
stabilize we'll reduce build frequency, or even use commit driven builds.

*Image naming schema*

<image-name>=<org>/<image>:<tag>

<org>=starlingx

<image>=stx-<os>-<openstack-release>-<component>

<tag>=<git-tag> | <git-branch>[-<qualifier>]

<os>=centos | ubuntu | clear-linux

<openstack-release>=pike | queens | rocky ...

<component>=aodh | ceilometer| cinder | glance | gnocchi | heat | horizon | ironic | keystone | libvirt | magnum | murano | neutron | nova-api-proxy | nova | panko ...

<qualifier>=<timestamp> | latest | stable

<git-tag-or-branch>=master | r2018.10 | r2018.10.0 | ...

Note: we can't have the '/' or ':' character in a branch name. So 
r/2018.10 would have to be shortened to 'r2018.10'.
However i think it's better to use the tag to allow for rebuilds of a 
release '2018.10.0'. My only concern here is that our current git 
tagging convention doesn't distinguish release from milestone.  I would 
prefer a 'r' or 'm' prefix on our git tags.

Note: the 'latest' or 'stable' qualifiers would be aliases to the 
timestamped image.  'Stable' might be over selling it on master 
branch... perhaps some other term... 'tested', 'usable'?


e.g.

starlingx/stx-centos-pike-nova:master-20181201
starlingx/stx-centos-pike-nova:master-20181202
starlingx/stx-centos-pike-nova:master-20181203
starlingx/stx-centos-pike-nova:master-latest   -> master-20181203
starlingx/stx-centos-pike-nova:master-stable   -> master-20181201

starlingx/stx-centos-pike-nova:r2018.10.0
starlingx/stx-centos-pike-nova:r2018.10.1
starlingx/stx-centos-pike-nova:r2018.10-latest  -> r2018.10.1


Comments?

Scott

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