Re: [atomic-devel] docker and docker-latest packages on CentOS Virt SIG

[Daniel J Walsh <dwalsh redhat com>]

On 05/09/2016 08:18 PM, Jason Brooks wrote:
> On Mon, May 9, 2016 at 7:54 AM, Lokesh Mandvekar <lsm5 fedoraproject org> wrote:
> > **CentOS Virt SIG**
> >
> > What:
> > - 'docker' (v1.9) http://cbs.centos.org/koji/buildinfo?buildID=10878
> > - 'docker-latest' (v1.10) http://cbs.centos.org/koji/buildinfo?buildID=10881
> > - both can be installed simultaneously and don't step on each other's toes,
> >    but only one can run at a time.
> > - /usr/bin/docker is a script which execs /usr/bin/docker-current (v1.9) or
> >    /usr/bin/docker-latest (v1.10) based on what $DOCKERBINARY is set to.
> >
> > Why:
> > - some people want v1.9 (that includes kube and openshift iiuc)
> > - others want later versions
> > - people also want to switch between versions without having to
> >    install/uninstall/reinstall
> I built an atomic image with docker and docker-latest, uncommented the
> line `DOCKERBINARY=/usr/bin/docker-latest` in `/etc/sysconfig/docker`,
> and restarted the docker service, and then `sudo docker info`
> returned:
>
> Error response from daemon: client is newer than server (client API
> version: 1.22, server API version: 1.21)
>
> Then it occurred to me to stop the docker service and start the
> docker-latest service, and that seemed to work fine. We definitely
> need docs around this.
>
> One thing that occurs to me is that 1.10 isn't the latest docker...
>
> Jason
It is the latest supported docker.  :^)  I am not sure if we will ever 
ship docker-1.11.  Has a lot of warts.
Most of its fixes are going into docker-1.12.

I agree docker and docker-latest is not the best solution, and sadly we 
are learning on the fly.
> > Comments?
> > --
> > Lokesh
> > Freenode: lsm5
> > GPG: 0xC7C3A0DD