No snaps installed on a new ubuntu core port (kernel, gadget)

[ogra]

@DC-fgervais

e9463e42-a646-11e8-b86d-fa163ef911dc OOPSID

checking: https://errors.ubuntu.com/oops/dba6d668-9f32-11e8-b613-fa163e0ec2f1 shows that your error seems to be:

ERROR snap "gadget" supported architectures (amd64) are incompatible with this system (armhf)

make sure to build it for armhf …

in older snapcraft this requires the --target-arch switch, in newer you need to set the proper “architectures:” with “build-on” and “run-on” in your snapcraft.yaml:

Architectures

By default, Snapcraft builds a snap to run on the same architecture as the build environment. This behaviour can be modified with the top-level keywords architectures and platforms in the snap’s snapcraft.yaml. The architectures and platforms keywords are used to create a build plan. See build plans for an explanation of how build plans are created. The keywords are base-dependent: platforms is used for core24 snaps architectures is used for core20 and core22 snaps How to create a snap for …

here is an example where i use the new architectures setup:

https://github.com/ogra1/pi-kiosk-gadget/blob/master/snapcraft.yaml#L11