How to handle conffiles in snaps?

[Kyle Fazzari]

On 08/09/2016 12:18 AM, Christian Ehrhardt wrote:
>
> On Tue, Aug 9, 2016 at 7:38 AM, Simon Fels <simon.fels at canonical.com
> <mailto:simon.fels at canonical.com>> wrote:
>
> Thanks a lot Simon for the answers!
> A few clarifications requests inline below (mostly getting the bug #
> to subscribe and refer).
>
>     For upgrades
>     there will be a hook at some point in the near future which will
>     notify
>     when your snap is upgraded and you can perform similar logic like you
>     can do in the maintainer scripts to handle changed formts etc. But as
>     far as I know there will be no modifications to the real /etc allowed
>     for any application snap.
>
>
> Ok, I consider this WIP then - is there a bug I could subscribe myself
> and link to from my code?

Not yet (that I know of).

>  
>
>     You could still store conf files in SNAP_USER_DATA to get them
>     writable
>     by the users of the system.
>
>
> It is a daemon that needs the conf, so I think I'll try hack something
> up in SNAP_DATA for now.
>  
>
>     > The only snap-centric artifact about it I found was [1]. But
>     that feels
>     > broken/outdated as there is no "snappy" command anymore (and
>     snap has no
>     > "config" subcommand).
>
>     Something similar will come back. From what I've heard there will be a
>     apply-config hook which you can implement in your snap and a user can
>     call from the outside with a simple 'snap set
>     snap.name.confkey=confvalue' or similar.
>
>
> Thanks, as above I consider this WIP then - is there a bug I could
> subscribe myself and link to from my code?

Yeah, keep an eye on this one:
https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1596629

-- 
Kyle Fazzari (kyrofa)
Software Engineer
Canonical Ltd.
kyle at canonical.com

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