Snapcraft: arch-specifc snaps on your development machine?

[Michael Nelson]

On Mon, Sep 7, 2015 at 6:04 PM Nicolas Thomas  <
nicolas.thomas at canonical.com> wrote:

> 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.
>
>
Yes, that's the convenience I'm after - spin up an armhf instance and use
that for development. Can we get armhf instances on canonistack? :)



> 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
> GPG FPR: D592 4185 F099 9031 6590 6292 492F C740 F03A 7EB9
>
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