Re: Should we include docker support by default?

On 12/01/2015 07:23 PM, Brian C. Lane wrote:
> I've been doing some experiments for bz#1283701, supporting running
> docker at install time to pull down images without rebooting into the
> system first. At first I thought it would be much harder than it is.
>
> I've added docker and some support libraries to lorax, they only added
> about 12M and that's before I've even looked at trying to trim them down
> at all.
>
> I have an experimental %post --nochroot that starts up docker, points to
> the LVM thin pool (setup by kickstart, not docker-storage-setup), and
> pulls down a couple simple images. It writes the config to the target
> system and kills off docker. The only slightly odd part is bind mounting
> /var/lib/docker to /mnt/sysimage/var/lib/docker so that everything it
> writes ends up on the target system.
>
> I propose turning the %post hack into some kickstart commands for
> setting up the storage, pulling images, and doing whatever other normal
> setup things are needed.
>
> What do you think? Is this worth the extra 12M (or so) to add this?

I'll confess this sounds a bit more like orchestration than installation 
to me.

Any chance for an example use case?

Pat