Using Docker in a Snap

[Jamie Strandboge]

On 07/16/2015 02:12 PM, Dustin Kirkland wrote:
> I'm trying, and failing, to use Docker in a snap.
> 
> My syslog is here: http://paste.ubuntu.com/11889030/
> 
> Where you can see I've tried a couple of different things.
> 
> The key error seems to be:
> 
> Jul 15 22:20:10 localhost ubuntu-core-launcher[1455]:
> /apps/mprime.sideload/28.5-2/mprime.sh: 3:
> /apps/mprime.sideload/28.5-2/mprime.sh: /apps/bin/docker: Operation
> not permitted
> 
> I find it odd that I can run that command /apps/bin/docker launch
> containers just fine, as the ubuntu user or the root user.  But it's
> not working upon snap installation.  I can't see anything obviously
> wrong from an AppArmor perspective either.
> 
> You can find my source code at lp:~kirkland/+junk/mprime.
> 

Does your snap depend on the docker framework? Does 'caps' in your package.yaml
specify 'docker_client'. If so, then rather than using /apps/bin/docker, you
would instead use /apps/docker/current/bin/docker. See the owncloud snap for
details: https://launchpad.net/~snappy-dev/snappy-hub/owncloud

-- 
Jamie Strandboge                 http://www.ubuntu.com/

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