Snapcraft: arch-specifc snaps on your development machine?

[Nicolas Thomas ]

I had a similar approach/issue before snapcraft was available and use
an arm machine in the cloud : https://cloud.scaleway.com/ cost a
little but convenient.

Hope this helps,

On Mon, Sep 7, 2015 at 7:51 AM, Michael Nelson
<michael.nelson at canonical.com> wrote:
> Hi all,
>
> I'm trying to find a way to create snaps on my development machine
> (trusty/amd64) for a specific architecture (armhf/rPi2), but so far without
> success.
>
> This would be useful, at least to me, as I can then create snaps without the
> physical hardware present (and without needing to switch SD cards to a
> non-core image for building the snap etc.), leaving my specific hardware
> headless on the network ready to ssh the built snap for testing.
>
> The approach I tried most recently was to create an armhf chroot using
> qemu-debootstrap. I have a script which creates the chroot, sets it up with
> trunk of snapcraft, then tries to assemble the snapcraft wget-deb example
> [1], but even though the example is not a golang example, it ends while
> "snapping wget" with a golang runtime error [2] which seems to be a
> qemu-with-golang bug [3].
>
> Chatting with Christopher Halse Rogers, it sounds like using a normal
> debootstrap environment with cross-compiling may be a better alternative. I
> just tried such an environment to assemble the snap, but it turns out that
> the ubuntu snapcraft plugin is using dget which doesn't cope with the
> arch-specific sources.list entries [4].
>
> So, before I spend too much time on things I'm not very familiar with, is
> there something I could do differently above, and/or are there already plans
> for snapcraft to make creating snaps on your development machine easier (and
> what are they)?
>
> Thanks either way!
> -Michael
>
> [1]
> https://github.com/absoludity/snapcraft-test/blob/master/create-snapcraft-armhf-chroot
> - thanks Ryan for the base of this in the RPi2 image build script
> [2] http://paste.ubuntu.com/12304815/
> [3] https://groups.google.com/forum/#!topic/golang-nuts/MqKTX_XIOKE
> [4] http://paste.ubuntu.com/12305079/ - according to Christopher, this could
> be using apt-get download? (but perhaps there's a reason for dget).
>
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-- 
Best Regards,
       Nicolas Thomas
http://insights.ubuntu.com/?p=889
EMEA Solution Architect              Canonical
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