Snap on raspbian missing all interfaces

1

So I’ve just installed snap on my raspberry pi 3 running raspbian.

sudo apt install snap

However when I try to list the interfaces the list is empty:
snap interfaces
error: no interfaces found

or
sudo snap interfaces
error: no interfaces found

any ideas?

config:
snap --version
snap 2.21-2
snapd 2.21-2
series 16
raspbian 9

uname -a
Linux home 4.9.59-v7+ #1047 SMP Sun Oct 29 12:19:23 GMT 2017 armv7l GNU/Linux
2

What’s the output of dpkg --print-architecture?

3

IIRC raspbian breaks the armhf definition, the deb architecture is called armhf but the binaries are actually compiled for ARMv6 instead of v7 … given our core snap is a true armhf this will likely lead to issues where the systems overlap between snapd from the armbian deb and the core snap it needs to use to execute snaps…

4

snap interfaces is empty until the core snap is installed.

5

so what os would you recommend I run on the pi so that snaps run without issue?

6

On my desktop pc I can see all of the interfaces and I didn’t explicity install snap core so I’m wondering why I need to explicitly run it on the pi.

I did install snapcraft on my pc so maybe that brings core with it.

this does suggest a poor experience if the user has to explicitly install core. Do I need to make my snap dependant on core?

FYI: I’ve now installed core and yes the interfaces are now appearing.

I have another issues with the gpio interface missing but I will start another thread.

Thanks for the help.

7

Well, if you want to go with snaps all the way, obviously UbuntuCore. if it has to be deb based, i’d try if there is a proper debian armhf install (sadly there is no official ubuntu-server image for the pi3 yet)

core gets auto-installed alongside with your first snap … i guess you have some snaps installed on your PC …

8

I guess I will have a crack at ubuntu core.

and yes I had some other snaps installed, so makes sense now.

thanks.