Hi Paul,
I am happy to use the changes you proposed to
https://github.com/openstack/kolla/blob/master/kolla/common/config.py
I was under the impression that this was disallowed for drivers that weren’t
considered “reference drivers”. If that is no longer the case, I am happy to go
this route and abandon the approach I took in my diffs in:
https://review.openstack.org/#/c/552119/.
I agree with the reasoning that Kolla cannot possibly maintain a large
number of neutron-server containers, one per plugin.
To support operators that want to build their own images, I was hoping that
we could come up with a mechanism by which the 3rd party driver owners
provide the code (template-override.j2 or Dockerfile.j2 as the case maybe)
to build their containers. This code can definitely live out-of-tree with the
drivers themselves.
Optionally, we could have them reside in-tree in Kolla in a separate directory,
say “additional drivers”. Kolla will not be responsible for building a container
per driver or for building a huge (neutron-server) container containing all
interested drivers.
Operators that need one or more of these “additional drivers” will be provided
with documentation on how the code in the “additional drivers” path can be
used to build their own containers. This documentation will also detail how
to combine more than one 3rd party drivers into their own container.
I would like the community’s input on what approach best aligns with Kolla’s
and the larger OpenStack community’s goals.
Thanks,
Sandhya
On 5/11/18, 5:35 AM, "Paul Bourke" <paul.bou...@oracle.com> wrote:
Hi Sandhya,
Thanks for starting this thread. I've moved it to the mailing list so
the discussion can be available to anyone else who is interested, I hope
you don't mind.
If your requirement is to have third party plugins (such as Cisco) that
are not available on tarballs.openstack.org, available in Kolla, then
this is already possible.
Using the Cisco case as an example, you would simply need to submit the
following patch to
https://github.com/openstack/kolla/blob/master/kolla/common/config.py
"""
'neutron-server-plugin-networking-cisco': {
'type': 'git',
'location': ('https://github.com/openstack/networking-cisco')},
"""
This will then include that plugin as part of the future neutron-server
builds.
If the requirement is to have Kolla publish a neutron-server container
with *only* the Cisco plugin, then this is where it gets a little more
tricky. Sure, we can go the route that's proposed in your patch, but we
end up then maintaining a massive number of neutron-server containers,
one per plugin. It also does not address then the issue of what people
want to do when they want a combination or mix of plugins together.
So right now I feel Kolla takes a middle ground, where we publish a
neutron-server container with a variety of common plugins. If operators
have specific requirements, they should create their own config file and
build their own images, which we expect any serious production setup to
be doing anyway.
-Paul
On 10/05/18 18:12, Sandhya Dasu (sadasu) wrote:
> Yes, I think there is some misunderstanding on what I am trying to
accomplish here.
>
> I am utilizing existing Kolla constructs to prove that they work for 3rd
party out of tree vendor drivers too.
> At this point, anything that a 3rd party vendor driver does (the way they
build their containers, where they publish it and how they generate config) is
completely out of scope of Kolla.
>
> I want to use the spec as a place to articulate and discuss best
practices and figure out what part of supporting 3rd party vendor drivers can
stay within the Kolla tree and what should be out.
> I have witnessed many discussions on this topic but they only take away I
get is “there are ways to do it but it can’t be part of Kolla”.
>
> Using the existing kolla constructs of template-override, plugin-archive
and config-dir, let us say the 3rd party vendor builds a container.
> OpenStack TC does not want these containers to be part of
tarballs.openstack.org. Kolla publishes its containers to DockerHub under the
Kolla project.
> If these 3rd party vendor drivers publish to Dockerhub they will have to
publish under a different project. So, an OpenStack installation that needs
these drivers will have to pull images from 2 or more Dokerhub projects?!
>
> Or do you prefer if the OpenStack operator build their own images using
the out-of-tree Dockerfile for that vendor?
>
> Again, should the config changes to support these drivers be part of the
kolla-ansible repo or should they be out-of-tree?
>
> It is hard to have this type of discussion on IRC so I started this email
thread.
>
> Thanks,
> Sandhya
>
> On 5/10/18, 5:59 AM, "Paul Bourke (pbourke) (Code Review)"
<rev...@openstack.org> wrote:
>
> Paul Bourke (pbourke) has posted comments on this change. (
https://review.openstack.org/567278 )
>
> Change subject: Building Kolla containers with 3rd party vendor
drivers
>
......................................................................
>
>
> Patch Set 2: Code-Review-1
>
> Hi Sandhya, after reading the spec most of my thoughts echo
Eduardo's. I'm wondering if there's some misunderstanding on how the current
plugin functionality works? Feels free to ping me on irc I'd be happy to
discuss further - maybe there's still some element of what's there that's not
working for your use case.
>
> --
> To view, visit https://review.openstack.org/567278
> To unsubscribe, visit https://review.openstack.org/settings
>
> Gerrit-MessageType: comment
> Gerrit-Change-Id: I681d6a7b38b6cafe7ebe88a1a1f2d53943e1aab2
> Gerrit-PatchSet: 2
> Gerrit-Project: openstack/kolla
> Gerrit-Branch: master
> Gerrit-Owner: Sandhya Dasu <sad...@cisco.com>
> Gerrit-Reviewer: Duong Ha-Quang <duon...@vn.fujitsu.com>
> Gerrit-Reviewer: Eduardo Gonzalez <dabar...@gmail.com>
> Gerrit-Reviewer: Paul Bourke (pbourke) <paul.bou...@oracle.com>
> Gerrit-Reviewer: Zuul
> Gerrit-HasComments: No
>
>
__________________________________________________________________________
OpenStack Development Mailing List (not for usage questions)
Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
