Test headscale locally

test_headscale.sh

if [ ! command -v wg ]; then
    sudo pacman -S wireguard-tools --noconfirm --needed
fi

if [ ! -f ./private.key ]; then
    wg genkey > private.key
    wg pubkey < private.key > public.key  # not needed
fi

if [ ! -f derp.yaml ]; then
    wget https://raw.githubusercontent.com/juanfont/headscale/main/derp.yaml
fi
if [ ! -f config.json ]; then
    # let's use SQLite for this test
    wget https://raw.githubusercontent.com/juanfont/headscale/main/config.json.sqlite.example -O config.json
fi

touch db.sqlite

docker run -d \
    -v $(pwd)/private.key:/private.key \
    -v $(pwd)/config.json:/config.json \
    -v $(pwd)/derp.yaml:/derp.yaml \
    -v $(pwd)/db.sqlite:/db.sqlite \
    -p 127.0.0.1:8080:8080 \
    headscale/headscale:0.9.2 \
    headscale namespaces create myfirstnamespace
CONTAINER_ID=$(docker_run headscale serve | tail -n 1)
echo "container ID: $CONTAINER_ID"

################################################################################

sudo pacman -S --neeede tailscale
sudo systemctl start tailscaled
sudo tailscale up --accept-dns=false --login-server http://localhost:8080
# To authenticate, visit:
#     http://127.0.0.1:8080/register?key=xxxxxxxxxxxxx


CONTAINER_ID=$(docker ps | grep "headscale" | awk '{print $1}')
MACHINEKEY=$(curl -s "http://127.0.0.1:8080/register?key=xxxxxxxxx" | awk -F'</?b>' '{print $2}' | awk NF | awk '{print $6}')
docker exec "$CONTAINER_ID" headscale -n myfirstnamespace nodes register "$MACHINEKEY"