Re: Should we include docker support by default?

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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

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