[Users] Users Digest, Vol 25, Issue 120

[Fabian Deutsch]

Am Freitag, den 25.10.2013, 07:31 -0700 schrieb Ryan Barry:
> 
> On 10/25/2013 04:41 AM, users-request at ovirt.org wrote:
>          I haven't looked into this very much, but it sounds
>         promising. Anyone on list familiar with it?
> It is, in essence, LXC containers combined with an overlay filesystem.
> It's basic PaaS with a Go binary ("docker") wrapped around LXC. It's
> neat in the same sense as Vagrant -- you can ship a Dockerfile which
> can reproduce your environment very easily, and the Docker team itself
> has wrapped all the images in a git repository you can easily branch
> from/etc. That said, Docker support won't land in Fedora until F20,
> and CentOS around the same time (officially). 
> 
> I'll admit that I don't get the hype around Docker, since it doesn't
> do anything that LXC doesn't already do, but the templating and a
> user-friendly binary is nice. 
>         I wonder if there's interest in shipping oVirt docker containers.
> I'm interested in Docker to ease the process of building Node images,
> at least. oVirt Docker containers would be interesting, assuming LXC
> support isn't painful, since the CoreOS (where Docker originated) also
> relies on an image with readonly root and overlays on top, so there's
> some overlap.

One "nasty" secret of CoreOS is that they are using aufs - a fuse
overlay fs - and that's just not nice.
All this stuff requires a decent union-mount support.

Just my 2ct.

Otherwise it's also totally interesting!

- fabian