ubuntu-kr-qr-kiosk

A Check-in kiosk app built with Flutter for Ubuntu Frame and Ubuntu Core environment

See how it works in action with video

Building Snap

Simply run snapcraft where snapcraft, snap and lxd are installed.

Setup

Install Ubuntu Frame, Ubuntu Frame OSK and Network Manager on Ubuntu Core 22+

sudo snap install ubuntu-frame ubuntu-frame-osk network-manager

Get Snap from Circle CI Build artifacts, Send it to remote machine then install.

scp -i <PATH_TO_SSH_KEY> ubuntu-kr-qr-kiosk_<version>_arm64.snap <USER>@<IP_ADDRESS>:~/
sudo snap install --dangerous ubuntu-kr-qr-kiosk_<version>_arm64.snap

Various interface connections are required to make kiosk app work. Use following commands to configure.

sudo /snap/ubuntu-kr-qr-kiosk/current/bin/setup.sh

Setup Kiosk server and api token

snap set ubuntu-kr-qr-kiosk server.host="http://localhost:8000"
snap set ubuntu-kr-qr-kiosk server.apitoken="12345"

Enable cursor on Ubuntu Frame

snap set ubuntu-frame config="cursor=auto"

Building custom ubuntu core image

Install ubuntu-image

sudo snap install ubuntu-image --classic

In snap/ubuntu-core-model.json change authority-id and brand-id to your id found from the snapcraft whoami command output. Below is an example of snapcraft whoami output.

$ snapcraft whoami
email: <email-address>
username: <username>
id: xSfWKGdLoQBoQx88
permissions: package_access, package_manage, package_metrics, package_push, package_register, package_release, package_update
channels: no restrictions
expires: 2024-04-17T10:25:13.675Z 

Create and register key for snap signing if you don't have one yet.

snapcraft create-key my-model-key
snapcraft register-key my-model-key

Update timestamp field of snap/ubuntu-core-model.json. You may get timestamp from date -Iseconds --utc command.

Sign the model so that we can create custom core image.

snap sign -k my-model-key snap/ubuntu-core-model.json > snap/ubuntu-core-model.model

Build build the custom ubuntu core image with Kiosk Snap and Custom Pi Gadget with following command

ubuntu-image snap snap/ubuntu-core-model.model --snap <snap_file_name> --snap <snap_file_name>