WIP snap for 0ad

[Olivier Tilloy]

On Fri, Nov 18, 2016 at 3:38 PM, Jamie Strandboge <jamie at canonical.com> wrote:
> On Fri, 2016-11-18 at 15:33 +0100, Olivier Tilloy wrote:
>> On Fri, Nov 18, 2016 at 2:37 PM, Jamie Strandboge <jamie at canonical.com> wrote:
>> >
>> > On Fri, 2016-11-18 at 13:13 +0100, Olivier Tilloy wrote:
>> > >
>> > > Hi everyone,
>> > >
>> > > I’ve been working on snapping up 0ad¹ as a side project, and I’m at
>> > > the point where I’ve got it to run fully confined.
>> > >
>> > > I’ve had to modify the generated seccomp profile for this to work
>> > > though, and I’m not sure where to take it from there. The game uses
>> > > the following syscalls which are not allowed by default: setpriority
>> > > and sched_setaffinity. I can get setpriority by adding the
>> > > process-control plug (which needs manual connection), but it doesn’t
>> > > appear any sensible interface exposes sched_setaffinity
>> > > (docker-support does, but that’s obviously not a solution).
>> > >
>> > > What would interface experts suggest? Would it make sense to add
>> > > sched_setaffinity to process-control? Or to create a new privileged
>> > > interface for just that one syscall?
>> > >
>> > Fyi, there is a bug for setpriority. It looks like sched_setaffinity would
>> > be
>> > fine for process-control and I just prepared a PR for it. It looks like it
>> > works
>> > much like setpriority and so we'll be able to add it to the default template
>> > soon for certain invocations (I suspect you'll be able to drop proces-
>> > control
>> > then).
>> >
>> > In the future you can also simply file a bug and add the 'snapd-interface'
>> > tag.
>> > Thanks for bringing this up!
>> Thanks Jamie for your prompt answer.
>> I subscribed to the bug for setpriority
>> (https://launchpad.net/bugs/1641758) and I’ll be watching the PR
>> (https://github.com/snapcore/snapd/pull/2301).
>> Assuming it gets merged soon (looks trivial enough), when can I expect
>> it to be released in a new version of snapd? Would that be 2.18 ?
>
> Yes, 2.18. 2.17.1 is going through xenial-proposed now.
>
>> I’m unable to find up-to-date info on future releases of snapd (either
>> at https://github.com/snapcore/snapd/releases or at
>> https://launchpad.net/snappy/+series).
>>
>
> I let Jamie Bennett (in CC) answer on the timelines for the release of 2.18 and
> release information.

I haven’t gotten any further information. 2.18 is in zesty, (when)
will it be backported to xenial/yakkety?