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Solum uses it in our Vagrant setup. It makes the dev environment perform very nicely, and is compatible with the Docker containers Solum generates.



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-------- Original message --------
From: John Griffith <john.griffith8 at gmail.com>
Date: 05/12/2015 9:42 PM (GMT-08:00)
To: "OpenStack Development Mailing List (not for usage questions)" <openstack-dev at lists.openstack.org>
Subject: Re: [openstack-dev] Who is using nova-docker? (Re: [nova-docker] Status update)



On Tue, May 12, 2015 at 12:09 PM, Fawad Khaliq <fawad at plumgrid.com<mailto:fawad at plumgrid.com>> wrote:

On Mon, May 11, 2015 at 7:14 PM, Davanum Srinivas <davanum at gmail.com<mailto:davanum at gmail.com>> wrote:
Good points, Dan and John.

At this point it may be useful to see who is actually using
nova-docker. Can folks who are using any version of nova-docker,
please speak up with a short description of their use case?
I am using Kilo in a multi-hypervisor mode, some applications running on Docker containers and some backend work provisioned as VMs.

Thanks,
dims

On Mon, May 11, 2015 at 10:06 AM, Dan Smith <dms at danplanet.com<mailto:dms at danplanet.com>> wrote:
>> +1 Agreed nested containers are a thing. Its a great reason to keep
>> our LXC driver.
>
> I don't think that's a reason we should keep our LXC driver, because you
> can still run containers in containers with other things. If anything,
> using a nova vm-like container to run application-like containers inside
> them is going to beg the need to tweak more detailed things on the
> vm-like container to avoid restricting the application one, I think.
>
> IMHO, the reason to keep the seldom-used, not-that-useful LXC driver in
> nova is because it's nearly free. It is the libvirt driver with a few
> conditionals to handle different things when necessary for LXC. The
> docker driver is a whole other nova driver to maintain, with even less
> applicability to being a system container (IMHO).
>
>> I am keen we set the right expectations here. If you want to treat
>> docker containers like VMs, thats OK.
>>
>> I guess a remaining concern is the driver dropping into diss-repair
>> if most folks end up using Magnum when they want to use docker.
>
> I think this is likely the case and I'd like to avoid getting into this
> situation again. IMHO, this is not our target audience, it's very much
> not free to just put it into the tree because "meh, some people might
> like it instead of the libvirt-lxc driver".
>
> --Dan
>
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--
Davanum Srinivas :: https://twitter.com/dims

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?I'm using nova-docker, started out as just learning the pieces... ended up being useful for some internal test and dev work on my side.  Including building/shipping apps to customers that I used to send out as qcows.  I could certainly do this without nova-docker and go straight to docker, but this is "more fun", and fits with my existing workflow/usage of OpenStack for various things.

Also FWIW Magnum currently is way overkill for what I'm doing, just like some other projects.?  I do plan to check that out before long, but for now it's a bit overkill for me.

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