mirror of
https://github.com/ChuckBuilds/LEDMatrix.git
synced 2026-04-10 13:02:59 +00:00
make the first time install script more inclusive of user actions
This commit is contained in:
Chuck
@@ -3,15 +3,44 @@
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# LED Matrix First-Time Installation Script
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# This script handles the complete setup for a new LED Matrix installation
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set -e
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set -Eeuo pipefail
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# Global state for nicer error messages
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CURRENT_STEP="initialization"
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# Error handler for friendlier failures
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on_error() {
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local exit_code=$?
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local line_no=${1:-unknown}
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echo "✗ An error occurred during: $CURRENT_STEP (line $line_no, exit $exit_code)" >&2
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if [ -n "${LOG_FILE:-}" ]; then
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echo "See the log for details: $LOG_FILE" >&2
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echo "-- Last 50 lines from log --" >&2
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tail -n 50 "$LOG_FILE" >&2 || true
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fi
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echo "\nCommon fixes:" >&2
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echo "- Ensure the Pi is online (try: ping -c1 8.8.8.8)." >&2
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echo "- If you saw an APT lock error: wait a minute, close other installers, then run: sudo dpkg --configure -a" >&2
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echo "- Re-run this script. It is safe to run multiple times." >&2
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exit "$exit_code"
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}
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trap 'on_error $LINENO' ERR
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echo "=========================================="
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echo "LED Matrix First-Time Installation Script"
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echo "=========================================="
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echo ""
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# Get the actual user who invoked sudo
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if [ -n "$SUDO_USER" ]; then
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# Show device model if available (helps users confirm they're on a Raspberry Pi)
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if [ -r /proc/device-tree/model ]; then
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DEVICE_MODEL=$(tr -d '\0' </proc/device-tree/model)
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echo "Detected device: $DEVICE_MODEL"
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else
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echo "⚠ Could not detect Raspberry Pi model (continuing anyway)"
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fi
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# Get the actual user who invoked sudo (set after we ensure sudo below)
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if [ -n "${SUDO_USER:-}" ]; then
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ACTUAL_USER="$SUDO_USER"
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else
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ACTUAL_USER=$(whoami)
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@@ -28,53 +57,149 @@ echo "User home directory: $USER_HOME"
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echo "Project directory: $PROJECT_ROOT_DIR"
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echo ""
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# Check if running as root
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if [ "$EUID" -eq 0 ]; then
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echo "✓ Running as root (required for installation)"
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else
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echo "✗ This script must be run as root (use sudo)"
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echo "Usage: sudo ./first_time_install.sh"
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exit 1
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# Check if running as root; if not, try to elevate automatically for novices
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if [ "$EUID" -ne 0 ]; then
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echo "This script needs administrator privileges. Attempting to re-run with sudo..."
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exec sudo -E env LEDMATRIX_ELEVATED=1 bash "$0" "$@"
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fi
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echo "✓ Running as root (required for installation)"
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# Initialize logging
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LOG_DIR="$PROJECT_ROOT_DIR/logs"
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mkdir -p "$LOG_DIR"
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LOG_FILE="$LOG_DIR/first_time_install_$(date +%Y%m%d_%H%M%S).log"
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exec > >(tee -a "$LOG_FILE") 2>&1
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echo "Logging to: $LOG_FILE"
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# Args and options (novice-friendly defaults)
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ASSUME_YES=${LEDMATRIX_ASSUME_YES:-0}
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SKIP_SOUND=${LEDMATRIX_SKIP_SOUND:-0}
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SKIP_PERF=${LEDMATRIX_SKIP_PERF:-0}
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SKIP_REBOOT_PROMPT=${LEDMATRIX_SKIP_REBOOT_PROMPT:-0}
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usage() {
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cat <<USAGE
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Usage: sudo ./first_time_install.sh [options]
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Options:
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-y, --yes Proceed without interactive confirmations
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--force-rebuild Force rebuild of rpi-rgb-led-matrix even if present
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--skip-sound Skip sound module configuration
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--skip-perf Skip performance tweaks (isolcpus/audio)
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--no-reboot-prompt Do not prompt for reboot at the end
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-h, --help Show this help message and exit
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Environment variables (same effect as flags):
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LEDMATRIX_ASSUME_YES=1, RPI_RGB_FORCE_REBUILD=1, LEDMATRIX_SKIP_SOUND=1,
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LEDMATRIX_SKIP_PERF=1, LEDMATRIX_SKIP_REBOOT_PROMPT=1
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USAGE
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}
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while [ $# -gt 0 ]; do
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case "$1" in
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-y|--yes) ASSUME_YES=1 ;;
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--force-rebuild) RPI_RGB_FORCE_REBUILD=1 ;;
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--skip-sound) SKIP_SOUND=1 ;;
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--skip-perf) SKIP_PERF=1 ;;
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--no-reboot-prompt) SKIP_REBOOT_PROMPT=1 ;;
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-h|--help) usage; exit 0 ;;
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*) echo "Unknown option: $1"; usage; exit 1 ;;
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esac
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shift
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done
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# Helpers
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retry() {
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local attempt=1
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local max_attempts=3
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local delay_seconds=5
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while true; do
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"$@" && return 0
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local status=$?
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if [ $attempt -ge $max_attempts ]; then
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echo "✗ Command failed after $attempt attempts: $*"
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return $status
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fi
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echo "⚠ Command failed (attempt $attempt/$max_attempts). Retrying in ${delay_seconds}s: $*"
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attempt=$((attempt+1))
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sleep "$delay_seconds"
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done
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}
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apt_update() { retry apt update; }
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apt_install() { retry apt install -y "$@"; }
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apt_remove() { apt-get remove -y "$@" || true; }
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check_network() {
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if command -v ping >/dev/null 2>&1; then
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if ping -c 1 -W 3 8.8.8.8 >/dev/null 2>&1; then
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return 0
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fi
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fi
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if command -v curl >/dev/null 2>&1; then
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if curl -Is --max-time 5 http://deb.debian.org >/dev/null 2>&1; then
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return 0
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fi
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fi
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echo "✗ No internet connectivity detected."
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echo "Please connect your Raspberry Pi to the internet and re-run this script."
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exit 1
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}
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echo ""
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echo "This script will perform the following steps:"
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echo "1. Install system dependencies"
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echo "2. Fix cache permissions"
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echo "3. Install main LED Matrix service"
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echo "4. Install web interface service"
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echo "5. Configure web interface permissions"
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echo "6. Configure passwordless sudo access"
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echo "7. Set up proper file ownership"
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echo "8. Test the installation"
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echo "4. Install Python project dependencies (requirements.txt)"
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echo "5. Build and install rpi-rgb-led-matrix and test import"
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echo "6. Install web interface dependencies"
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echo "7. Install web interface service"
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echo "8. Configure web interface permissions"
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echo "9. Configure passwordless sudo access"
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echo "10. Set up proper file ownership"
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echo "11. Configure sound module to avoid conflicts"
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echo "12. Apply performance optimizations"
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echo "13. Test the installation"
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echo ""
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# Ask for confirmation
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read -p "Do you want to proceed with the installation? (y/N): " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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echo "Installation cancelled."
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exit 0
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if [ "$ASSUME_YES" = "1" ]; then
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echo "Non-interactive mode: proceeding with installation."
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else
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read -p "Do you want to proceed with the installation? (y/N): " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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echo "Installation cancelled."
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exit 0
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fi
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fi
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echo ""
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CLEAR='
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'
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CURRENT_STEP="Install system dependencies"
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echo "Step 1: Installing system dependencies..."
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echo "----------------------------------------"
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# Ensure network is available before APT operations
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check_network
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# Update package list
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apt update
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apt_update
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# Install required system packages
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echo "Installing Python packages and dependencies..."
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apt install -y python3-pip python3-venv python3-dev python3-pil python3-pil.imagetk
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apt_install python3-pip python3-venv python3-dev python3-pil python3-pil.imagetk build-essential python3-setuptools python3-wheel cython3
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# Install additional system dependencies that might be needed
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echo "Installing additional system dependencies..."
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apt install -y git curl wget unzip
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apt_install git curl wget unzip
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echo "✓ System dependencies installed"
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echo ""
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CURRENT_STEP="Fix cache permissions"
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echo "Step 2: Fixing cache permissions..."
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echo "----------------------------------"
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@@ -92,21 +217,83 @@ else
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fi
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echo ""
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CURRENT_STEP="Install main LED Matrix service"
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echo "Step 3: Installing main LED Matrix service..."
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echo "---------------------------------------------"
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# Run the main service installation
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# Run the main service installation (idempotent)
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if [ -f "$PROJECT_ROOT_DIR/install_service.sh" ]; then
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echo "Running main service installation..."
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bash "$PROJECT_ROOT_DIR/install_service.sh"
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echo "✓ Main LED Matrix service installed"
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else
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echo "✗ Main service installation script not found"
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echo "✗ Main service installation script not found at $PROJECT_ROOT_DIR/install_service.sh"
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echo "Please ensure you are running this script from the project root: $PROJECT_ROOT_DIR"
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exit 1
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fi
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echo ""
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echo "Step 4: Installing web interface dependencies..."
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CURRENT_STEP="Install project Python dependencies"
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echo "Step 4: Installing Python project dependencies..."
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echo "-----------------------------------------------"
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# Install main project Python dependencies
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cd "$PROJECT_ROOT_DIR"
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if [ -f "$PROJECT_ROOT_DIR/requirements.txt" ]; then
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python3 -m pip install --break-system-packages -r "$PROJECT_ROOT_DIR/requirements.txt"
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else
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echo "⚠ requirements.txt not found; skipping main dependency install"
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fi
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echo "✓ Project Python dependencies installed"
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echo ""
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CURRENT_STEP="Build and install rpi-rgb-led-matrix"
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echo "Step 5: Building and installing rpi-rgb-led-matrix..."
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echo "-----------------------------------------------------"
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# If already installed and not forcing rebuild, skip expensive build
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if python3 -c 'from rgbmatrix import RGBMatrix, RGBMatrixOptions' >/dev/null 2>&1 && [ "${RPI_RGB_FORCE_REBUILD:-0}" != "1" ]; then
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echo "rgbmatrix Python package already available; skipping build (set RPI_RGB_FORCE_REBUILD=1 to force rebuild)."
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else
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# Build and install rpi-rgb-led-matrix Python bindings
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if [ -d "$PROJECT_ROOT_DIR/rpi-rgb-led-matrix-master" ]; then
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pushd "$PROJECT_ROOT_DIR/rpi-rgb-led-matrix-master" >/dev/null
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echo "Building rpi-rgb-led-matrix Python bindings..."
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make build-python PYTHON=$(which python3)
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cd bindings/python
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echo "Installing rpi-rgb-led-matrix Python package..."
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python3 setup.py install
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popd >/dev/null
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else
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echo "✗ rpi-rgb-led-matrix-master directory not found at $PROJECT_ROOT_DIR"
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echo "You can clone it with: git submodule update --init --recursive (if applicable)"
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exit 1
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fi
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echo "Running rgbmatrix import test..."
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if python3 - <<'PY'
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from importlib.metadata import version, PackageNotFoundError
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try:
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from rgbmatrix import RGBMatrix, RGBMatrixOptions
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try:
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print("Success! rgbmatrix version:", version('rgbmatrix'))
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except PackageNotFoundError:
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print("Success! rgbmatrix installed (version unknown)")
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except Exception as e:
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raise SystemExit(f"rgbmatrix import failed: {e}")
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PY
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then
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echo "✓ rpi-rgb-led-matrix installed and verified"
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else
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echo "✗ rpi-rgb-led-matrix import test failed"
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exit 1
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fi
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fi
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echo ""
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CURRENT_STEP="Install web interface dependencies"
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echo "Step 6: Installing web interface dependencies..."
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echo "------------------------------------------------"
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# Install web interface dependencies
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@@ -119,30 +306,54 @@ if [ -f "$PROJECT_ROOT_DIR/install_dependencies_apt.py" ]; then
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python3 "$PROJECT_ROOT_DIR/install_dependencies_apt.py"
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else
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echo "Using pip to install dependencies..."
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python3 -m pip install --break-system-packages -r requirements_web_v2.txt
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# Install rgbmatrix module from local source
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echo "Installing rgbmatrix module..."
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python3 -m pip install --break-system-packages -e rpi-rgb-led-matrix-master/bindings/python
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if [ -f "$PROJECT_ROOT_DIR/requirements_web_v2.txt" ]; then
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python3 -m pip install --break-system-packages -r requirements_web_v2.txt
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else
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echo "⚠ requirements_web_v2.txt not found; skipping web dependency install"
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fi
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fi
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echo "✓ Web interface dependencies installed"
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echo ""
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echo "Step 5: Configuring web interface permissions..."
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CURRENT_STEP="Install web interface service"
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echo "Step 7: Installing web interface service..."
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echo "-------------------------------------------"
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if [ -f "$PROJECT_ROOT_DIR/install_web_service.sh" ]; then
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bash "$PROJECT_ROOT_DIR/install_web_service.sh"
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# Ensure systemd sees any new/changed unit files
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systemctl daemon-reload || true
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echo "✓ Web interface service installed"
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else
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echo "⚠ install_web_service.sh not found; skipping web service installation"
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fi
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echo ""
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CURRENT_STEP="Configure web interface permissions"
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echo "Step 8: Configuring web interface permissions..."
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echo "------------------------------------------------"
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# Add user to required groups
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# Add user to required groups (idempotent)
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echo "Adding user to systemd-journal group..."
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usermod -a -G systemd-journal "$ACTUAL_USER"
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if id -nG "$ACTUAL_USER" | grep -qw systemd-journal; then
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echo "User $ACTUAL_USER already in systemd-journal"
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else
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usermod -a -G systemd-journal "$ACTUAL_USER"
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fi
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echo "Adding user to adm group..."
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usermod -a -G adm "$ACTUAL_USER"
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if id -nG "$ACTUAL_USER" | grep -qw adm; then
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echo "User $ACTUAL_USER already in adm"
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else
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usermod -a -G adm "$ACTUAL_USER"
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fi
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echo "✓ User added to required groups"
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echo ""
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|
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echo "Step 6: Configuring passwordless sudo access..."
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CURRENT_STEP="Configure passwordless sudo access"
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echo "Step 9: Configuring passwordless sudo access..."
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echo "------------------------------------------------"
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# Create sudoers configuration for the web interface
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@@ -175,15 +386,21 @@ $ACTUAL_USER ALL=(ALL) NOPASSWD: $BASH_PATH $PROJECT_ROOT_DIR/start_display.sh
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$ACTUAL_USER ALL=(ALL) NOPASSWD: $BASH_PATH $PROJECT_ROOT_DIR/stop_display.sh
|
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EOF
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# Install the sudoers file
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cp /tmp/ledmatrix_web_sudoers "$SUDOERS_FILE"
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chmod 440 "$SUDOERS_FILE"
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rm /tmp/ledmatrix_web_sudoers
|
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if [ -f "$SUDOERS_FILE" ] && cmp -s /tmp/ledmatrix_web_sudoers "$SUDOERS_FILE"; then
|
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echo "Sudoers configuration already up to date"
|
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rm /tmp/ledmatrix_web_sudoers
|
||||
else
|
||||
echo "Installing/updating sudoers configuration..."
|
||||
cp /tmp/ledmatrix_web_sudoers "$SUDOERS_FILE"
|
||||
chmod 440 "$SUDOERS_FILE"
|
||||
rm /tmp/ledmatrix_web_sudoers
|
||||
fi
|
||||
|
||||
echo "✓ Passwordless sudo access configured"
|
||||
echo ""
|
||||
|
||||
echo "Step 7: Setting proper file ownership..."
|
||||
CURRENT_STEP="Set proper file ownership"
|
||||
echo "Step 10: Setting proper file ownership..."
|
||||
echo "----------------------------------------"
|
||||
|
||||
# Set ownership of project files to the user
|
||||
@@ -199,7 +416,100 @@ fi
|
||||
echo "✓ File ownership configured"
|
||||
echo ""
|
||||
|
||||
echo "Step 8: Testing the installation..."
|
||||
CURRENT_STEP="Sound module configuration"
|
||||
echo "Step 11: Sound module configuration..."
|
||||
echo "-------------------------------------"
|
||||
|
||||
# Remove services that may interfere with LED matrix timing
|
||||
echo "Removing potential conflicting services (bluetooth and others)..."
|
||||
if [ "$SKIP_SOUND" = "1" ]; then
|
||||
echo "Skipping sound module configuration as requested (--skip-sound)."
|
||||
elif apt_remove bluez bluez-firmware pi-bluetooth triggerhappy pigpio; then
|
||||
echo "✓ Unnecessary services removed (or not present)"
|
||||
else
|
||||
echo "⚠ Some packages could not be removed; continuing"
|
||||
fi
|
||||
|
||||
# Blacklist onboard sound module (idempotent)
|
||||
BLACKLIST_FILE="/etc/modprobe.d/blacklist-rgb-matrix.conf"
|
||||
if [ -f "$BLACKLIST_FILE" ] && grep -q '^blacklist snd_bcm2835\b' "$BLACKLIST_FILE"; then
|
||||
echo "snd_bcm2835 already blacklisted in $BLACKLIST_FILE"
|
||||
else
|
||||
echo "Ensuring snd_bcm2835 is blacklisted in $BLACKLIST_FILE..."
|
||||
mkdir -p "/etc/modprobe.d"
|
||||
if [ -f "$BLACKLIST_FILE" ]; then
|
||||
cp "$BLACKLIST_FILE" "$BLACKLIST_FILE.bak" 2>/dev/null || true
|
||||
fi
|
||||
# Append once (don't clobber existing unrelated content)
|
||||
if [ -f "$BLACKLIST_FILE" ]; then
|
||||
echo "blacklist snd_bcm2835" >> "$BLACKLIST_FILE"
|
||||
else
|
||||
printf "blacklist snd_bcm2835\n" > "$BLACKLIST_FILE"
|
||||
fi
|
||||
fi
|
||||
|
||||
# Update initramfs if available
|
||||
if command -v update-initramfs >/dev/null 2>&1; then
|
||||
echo "Updating initramfs..."
|
||||
update-initramfs -u
|
||||
else
|
||||
echo "update-initramfs not found; skipping"
|
||||
fi
|
||||
|
||||
echo "✓ Sound module configuration applied"
|
||||
echo ""
|
||||
|
||||
CURRENT_STEP="Apply performance optimizations"
|
||||
echo "Step 12: Applying performance optimizations..."
|
||||
echo "---------------------------------------------"
|
||||
|
||||
# Prefer /boot/firmware on newer Raspberry Pi OS, fall back to /boot on older
|
||||
CMDLINE_FILE="/boot/firmware/cmdline.txt"
|
||||
CONFIG_FILE="/boot/firmware/config.txt"
|
||||
if [ ! -f "$CMDLINE_FILE" ]; then CMDLINE_FILE="/boot/cmdline.txt"; fi
|
||||
if [ ! -f "$CONFIG_FILE" ]; then CONFIG_FILE="/boot/config.txt"; fi
|
||||
|
||||
# Append isolcpus=3 to cmdline if not present (idempotent)
|
||||
if [ "$SKIP_PERF" = "1" ]; then
|
||||
echo "Skipping performance optimizations as requested (--skip-perf)."
|
||||
elif [ -f "$CMDLINE_FILE" ]; then
|
||||
if grep -q '\bisolcpus=3\b' "$CMDLINE_FILE"; then
|
||||
echo "isolcpus=3 already present in $CMDLINE_FILE"
|
||||
else
|
||||
echo "Adding isolcpus=3 to $CMDLINE_FILE..."
|
||||
cp "$CMDLINE_FILE" "$CMDLINE_FILE.bak" 2>/dev/null || true
|
||||
# Ensure single-line cmdline gets the flag once, with a leading space
|
||||
sed -i '1 s/$/ isolcpus=3/' "$CMDLINE_FILE"
|
||||
fi
|
||||
else
|
||||
echo "✗ $CMDLINE_FILE not found; skipping isolcpus optimization"
|
||||
fi
|
||||
|
||||
# Ensure dtparam=audio=off in config.txt (idempotent)
|
||||
if [ "$SKIP_PERF" = "1" ]; then
|
||||
: # skipped
|
||||
elif [ -f "$CONFIG_FILE" ]; then
|
||||
if grep -q '^dtparam=audio=off\b' "$CONFIG_FILE"; then
|
||||
echo "Onboard audio already disabled in $CONFIG_FILE"
|
||||
elif grep -q '^dtparam=audio=on\b' "$CONFIG_FILE"; then
|
||||
echo "Disabling onboard audio in $CONFIG_FILE..."
|
||||
cp "$CONFIG_FILE" "$CONFIG_FILE.bak" 2>/dev/null || true
|
||||
sed -i 's/^dtparam=audio=on\b/dtparam=audio=off/' "$CONFIG_FILE"
|
||||
else
|
||||
echo "Adding dtparam=audio=off to $CONFIG_FILE..."
|
||||
cp "$CONFIG_FILE" "$CONFIG_FILE.bak" 2>/dev/null || true
|
||||
printf "\n# Disable onboard audio for LED matrix performance\n" >> "$CONFIG_FILE"
|
||||
echo "dtparam=audio=off" >> "$CONFIG_FILE"
|
||||
fi
|
||||
else
|
||||
echo "✗ $CONFIG_FILE not found; skipping audio disable"
|
||||
fi
|
||||
|
||||
echo "✓ Performance optimizations applied"
|
||||
echo ""
|
||||
|
||||
CURRENT_STEP="Test the installation"
|
||||
echo "Step 13: Testing the installation..."
|
||||
echo "----------------------------------"
|
||||
|
||||
# Test sudo access
|
||||
@@ -233,6 +543,20 @@ else
|
||||
fi
|
||||
|
||||
echo ""
|
||||
if [ "$SKIP_REBOOT_PROMPT" = "1" ]; then
|
||||
echo "Skipping reboot prompt as requested (--no-reboot-prompt)."
|
||||
elif [ "$ASSUME_YES" = "1" ]; then
|
||||
echo "Non-interactive mode: rebooting now to apply changes..."
|
||||
reboot
|
||||
else
|
||||
read -p "A reboot is recommended to apply kernel and audio changes. Reboot now? (y/N): " -n 1 -r
|
||||
echo
|
||||
if [[ $REPLY =~ ^[Yy]$ ]]; then
|
||||
echo "Rebooting now..."
|
||||
reboot
|
||||
fi
|
||||
fi
|
||||
|
||||
echo "=========================================="
|
||||
echo "Installation Complete!"
|
||||
echo "=========================================="
|
||||
|
||||
Reference in New Issue
Block a user