Netbird Install on JetKVM

netbird_install_jetkvm.sh

#!/bin/sh
set -eu

main() {
# Fetch latest version using wget instead of curl
NETBIRD_LATEST=$(wget -qO- https://api.github.com/repos/netbirdio/netbird/releases/latest | sed -n 's/.*"tag_name": "v\([^"]*\)".*/\1/p' | head -n1)
REQUESTED_VERSION=""
SETUP_KEY=""
AUTO_YES=false
CLEAN_INSTALL=false
ENABLE_SSH=false
MANAGEMENT_URL="https://api.netbird.io"

# Parse arguments
while [ $# -gt 0 ]; do
case $1 in
-v | --version)
REQUESTED_VERSION="$2"
shift 2
;;
-k | --setup-key)
SETUP_KEY="$2"
shift 2
;;
-m | --management-url)
MANAGEMENT_URL="$2"
shift 2
;;
--enable-ssh)
ENABLE_SSH=true
shift
;;
-y | --yes)
AUTO_YES=true
shift
;;
-c | --clean)
CLEAN_INSTALL=true
shift
;;
*)
echo "ERROR: Unknown argument: $1"
exit 1
esac
done

if [ -z "$SETUP_KEY" ]; then
echo "ERROR: Setup key is required (use -k)"
exit 1
fi

export NETBIRD_VERSION="${REQUESTED_VERSION:-$NETBIRD_LATEST}"
ARCHIVE="netbird_${NETBIRD_VERSION}_linux_armv6.tar.gz"
ARCHIVE_URL="https://github.com/netbirdio/netbird/releases/download/v${NETBIRD_VERSION}/${ARCHIVE}"

if [ "$AUTO_YES" = false ]; then
echo "───────────────────────────────────────────────────────────"
echo "             NetBird Installation (JetKVM)"
echo "───────────────────────────────────────────────────────────"
echo ""
echo "Version: $NETBIRD_VERSION"
echo "Management URL: $MANAGEMENT_URL"
echo ""
fi

echo "[1/4] Downloading NetBird $NETBIRD_VERSION..."
# Download directly to /userdata where the local extraction logic expects it
wget -qO /userdata/netbird.tar.gz "$ARCHIVE_URL"
echo "       Download complete"

echo "[2/4] Installing NetBird..."
set -e
cd /userdata
if [ "$CLEAN_INSTALL" = "true" ]; then
echo "       Removing old NetBird install..."
rm -rf /userdata/netbird
rm -f /etc/init.d/netbird
rm -f /etc/init.d/S50netbird
fi
mkdir -p /userdata/netbird
cd /userdata/netbird
echo "       Extracting package..."
tar xf /userdata/netbird.tar.gz
rm -f /userdata/netbird.tar.gz
chmod +x ./netbird

echo "       Creating SSL certificate bundle..."
mkdir -p /etc/ssl/certs
if [ ! -f /etc/ssl/certs/ca-certificates.crt ]; then
wget -O /etc/ssl/certs/ca-certificates.crt \
https://curl.se/ca/cacert.pem || true
fi

echo "       Loading tun module..."
modprobe tun || true

echo "       Installing NetBird service..."
mkdir -p /etc/rc.d
./netbird service install || true
rm -rf /etc/rc.d

if [ -f /etc/init.d/netbird ]; then
mv /etc/init.d/netbird /etc/init.d/S50netbird || true
chmod +x /etc/init.d/S50netbird
echo "       Patching init script for JetKVM..."
sed -i 's|/var/log|/userdata|g' /etc/init.d/S50netbird || true
sed -i '/Starting \$name/a\
modprobe tun || true
' /etc/init.d/S50netbird || true
fi

echo "       Starting NetBird daemon..."
if [ -f /etc/init.d/S50netbird ]; then
/etc/init.d/S50netbird start || true
else
nohup ./netbird service run >/userdata/netbird-service.log 2>&1 &
fi

echo "[3/4] Registering device..."
sleep 5
NETBIRD_CMD="./netbird up --management-url \"$MANAGEMENT_URL\" --setup-key \"$SETUP_KEY\" --hostname jetkvm"
if [ "$ENABLE_SSH" = "true" ]; then
NETBIRD_CMD="$NETBIRD_CMD --enable-ssh"
fi
sh -c "$NETBIRD_CMD" >/userdata/netbird-up.log 2>&1 || true

echo "[4/4] Rebooting JetKVM..."
sync
( sleep 1; reboot ) &

# Keep script alive until reboot completes
exec tail -f /dev/null
}

main "$@"