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Donkey Car Ansible installation book for raspbery pi

This book can be used in 2 different ways :

  • deploy it on a running raspberry pi thought SSH, your raspberry pi needs internet access and should be connected to the same network as your host computer
  • build a raspbian image based on this book, you should then take a look at our packer instructions

Deploys book on a booted raspberry pi

Requirements

Install Ansible :

python3 -m venv venv
source venv/bin/activate
pip install Ansible

Install sshpass as we will use ssh with user/password access :

sudo apt-get install sshpass

Flash raspbian on your raspberry pi SD card :

cd /tmp
curl https://downloads.raspberrypi.org/raspios_oldstable_lite_armhf/images/raspios_oldstable_lite_armhf-2021-12-02/2021-12-02-raspios-buster-armhf-lite.zip -o 2021-12-02-raspios-buster-armhf-lite.zip
unzip 2021-12-02-raspios-buster-armhf-lite.zip
# Find your DEVICE_NAME
lsblk #
export DEVICE_NAME=/dev/YOUR_DEVICE_NAME
sudo dd if=2021-12-02-raspios-buster-armhf-lite.img of=$DEVICE_NAME bs=4MB status=progress && sync

Enable SSH, re-insert the SD card on your computeur go to the /boot partition and create ssh file :

touch ssh

Insert your SD card on the raspberry pi, plugin ethernet connexion, wait for 2-3 min (as the raspberry pi reboot at first startup to expend it's partition). Then try to reach it using :

ping raspberrypi.local

Play book on the booted raspberry pi

Frist ensure you don't have any existing key fingerprint associated to raspberrypi.local, remove then using :

ssh-keygen -f ~/.ssh/known_hosts -R "raspberrypi.local"

Use the following command inside this folder and in your virtualenv, we will ping the dev inventory :

$ ansible dev -i hosts -m ping
raspberrypi.local | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/bin/python3"
    },
    "changed": false,
    "ping": "pong"
}

Run the book :

ansible-playbook -i hosts -l dev donkeycar.yml

Play book on multiple raspberry pi / donkeycars at the same time

Take a look as the hosts file, reference all your raspberry pi IPs or hostnames in the [cars] section. Then run :

ansible-playbook -i hosts -l cars donkeycar.yml