Files
ProSports-LED-Scoreboard/first_time_install.sh
2026-02-13 12:26:33 -05:00

768 lines
27 KiB
Bash

#!/bin/bash
# LED Matrix First-Time Installation Script
# This script handles the complete setup for a new LED Matrix installation
set -Eeuo pipefail
# Global state for nicer error messages
CURRENT_STEP="initialization"
# Error handler for friendlier failures
on_error() {
local exit_code=$?
local line_no=${1:-unknown}
echo "✗ An error occurred during: $CURRENT_STEP (line $line_no, exit $exit_code)" >&2
if [ -n "${LOG_FILE:-}" ]; then
echo "See the log for details: $LOG_FILE" >&2
echo "-- Last 50 lines from log --" >&2
tail -n 50 "$LOG_FILE" >&2 || true
fi
echo "\nCommon fixes:" >&2
echo "- Ensure the Pi is online (try: ping -c1 8.8.8.8)." >&2
echo "- If you saw an APT lock error: wait a minute, close other installers, then run: sudo dpkg --configure -a" >&2
echo "- Re-run this script. It is safe to run multiple times." >&2
exit "$exit_code"
}
trap 'on_error $LINENO' ERR
echo "=========================================="
echo "LED Matrix First-Time Installation Script"
echo "=========================================="
echo ""
# Show device model if available (helps users confirm they're on a Raspberry Pi)
if [ -r /proc/device-tree/model ]; then
DEVICE_MODEL=$(tr -d '\0' </proc/device-tree/model)
echo "Detected device: $DEVICE_MODEL"
else
echo "⚠ Could not detect Raspberry Pi model (continuing anyway)"
fi
# Get the actual user who invoked sudo (set after we ensure sudo below)
if [ -n "${SUDO_USER:-}" ]; then
ACTUAL_USER="$SUDO_USER"
else
ACTUAL_USER=$(whoami)
fi
# Get the home directory of the actual user
USER_HOME=$(eval echo ~$ACTUAL_USER)
# Determine the Project Root Directory (where this script is located)
PROJECT_ROOT_DIR=$(cd "$(dirname "$0")" && pwd)
echo "Detected user: $ACTUAL_USER"
echo "User home directory: $USER_HOME"
echo "Project directory: $PROJECT_ROOT_DIR"
echo ""
# Check if running as root; if not, try to elevate automatically for novices
if [ "$EUID" -ne 0 ]; then
echo "This script needs administrator privileges. Attempting to re-run with sudo..."
exec sudo -E env LEDMATRIX_ELEVATED=1 bash "$0" "$@"
fi
echo "✓ Running as root (required for installation)"
# Initialize logging
LOG_DIR="$PROJECT_ROOT_DIR/logs"
mkdir -p "$LOG_DIR"
LOG_FILE="$LOG_DIR/first_time_install_$(date +%Y%m%d_%H%M%S).log"
exec > >(tee -a "$LOG_FILE") 2>&1
echo "Logging to: $LOG_FILE"
# Args and options (novice-friendly defaults)
ASSUME_YES=${LEDMATRIX_ASSUME_YES:-0}
SKIP_SOUND=${LEDMATRIX_SKIP_SOUND:-0}
SKIP_PERF=${LEDMATRIX_SKIP_PERF:-0}
SKIP_REBOOT_PROMPT=${LEDMATRIX_SKIP_REBOOT_PROMPT:-0}
usage() {
cat <<USAGE
Usage: sudo ./first_time_install.sh [options]
Options:
-y, --yes Proceed without interactive confirmations
--force-rebuild Force rebuild of rpi-rgb-led-matrix even if present
--skip-sound Skip sound module configuration
--skip-perf Skip performance tweaks (isolcpus/audio)
--no-reboot-prompt Do not prompt for reboot at the end
-h, --help Show this help message and exit
Environment variables (same effect as flags):
LEDMATRIX_ASSUME_YES=1, RPI_RGB_FORCE_REBUILD=1, LEDMATRIX_SKIP_SOUND=1,
LEDMATRIX_SKIP_PERF=1, LEDMATRIX_SKIP_REBOOT_PROMPT=1
USAGE
}
while [ $# -gt 0 ]; do
case "$1" in
-y|--yes) ASSUME_YES=1 ;;
--force-rebuild) RPI_RGB_FORCE_REBUILD=1 ;;
--skip-sound) SKIP_SOUND=1 ;;
--skip-perf) SKIP_PERF=1 ;;
--no-reboot-prompt) SKIP_REBOOT_PROMPT=1 ;;
-h|--help) usage; exit 0 ;;
*) echo "Unknown option: $1"; usage; exit 1 ;;
esac
shift
done
# Helpers
retry() {
local attempt=1
local max_attempts=3
local delay_seconds=5
while true; do
"$@" && return 0
local status=$?
if [ $attempt -ge $max_attempts ]; then
echo "✗ Command failed after $attempt attempts: $*"
return $status
fi
echo "⚠ Command failed (attempt $attempt/$max_attempts). Retrying in ${delay_seconds}s: $*"
attempt=$((attempt+1))
sleep "$delay_seconds"
done
}
apt_update() { retry apt update; }
apt_install() { retry apt install -y "$@"; }
apt_remove() { apt-get remove -y "$@" || true; }
check_network() {
if command -v ping >/dev/null 2>&1; then
if ping -c 1 -W 3 8.8.8.8 >/dev/null 2>&1; then
return 0
fi
fi
if command -v curl >/dev/null 2>&1; then
if curl -Is --max-time 5 http://deb.debian.org >/dev/null 2>&1; then
return 0
fi
fi
echo "✗ No internet connectivity detected."
echo "Please connect your Raspberry Pi to the internet and re-run this script."
exit 1
}
echo ""
echo "This script will perform the following steps:"
echo "1. Install system dependencies"
echo "2. Fix cache permissions"
echo "3. Fix assets directory permissions"
echo "4. Install main LED Matrix service"
echo "5. Install Python project dependencies (requirements.txt)"
echo "6. Build and install rpi-rgb-led-matrix and test import"
echo "7. Install web interface dependencies"
echo "8. Install web interface service"
echo "9. Configure web interface permissions"
echo "10. Configure passwordless sudo access"
echo "11. Set up proper file ownership"
echo "12. Configure sound module to avoid conflicts"
echo "13. Apply performance optimizations"
echo "14. Test the installation"
echo ""
# Ask for confirmation
if [ "$ASSUME_YES" = "1" ]; then
echo "Non-interactive mode: proceeding with installation."
else
read -p "Do you want to proceed with the installation? (y/N): " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
echo "Installation cancelled."
exit 0
fi
fi
echo ""
CLEAR='
'
CURRENT_STEP="Install system dependencies"
echo "Step 1: Installing system dependencies..."
echo "----------------------------------------"
# Ensure network is available before APT operations
check_network
# Update package list
apt_update
# Install required system packages
echo "Installing Python packages and dependencies..."
apt_install python3-pip python3-venv python3-dev python3-pil python3-pil.imagetk build-essential python3-setuptools python3-wheel cython3
# Install additional system dependencies that might be needed
echo "Installing additional system dependencies..."
apt_install git curl wget unzip
echo "✓ System dependencies installed"
echo ""
CURRENT_STEP="Fix cache permissions"
echo "Step 2: Fixing cache permissions..."
echo "----------------------------------"
# Run the cache permissions fix
if [ -f "$PROJECT_ROOT_DIR/fix_cache_permissions.sh" ]; then
echo "Running cache permissions fix..."
bash "$PROJECT_ROOT_DIR/fix_cache_permissions.sh"
echo "✓ Cache permissions fixed"
else
echo "⚠ Cache permissions script not found, creating cache directories manually..."
mkdir -p /var/cache/ledmatrix
chown "$ACTUAL_USER:$ACTUAL_USER" /var/cache/ledmatrix
chmod 777 /var/cache/ledmatrix
echo "✓ Cache directories created manually"
fi
echo ""
CURRENT_STEP="Fix assets directory permissions"
echo "Step 3: Fixing assets directory permissions..."
echo "--------------------------------------------"
# Run the assets permissions fix
if [ -f "$PROJECT_ROOT_DIR/fix_assets_permissions.sh" ]; then
echo "Running assets permissions fix..."
bash "$PROJECT_ROOT_DIR/fix_assets_permissions.sh"
echo "✓ Assets permissions fixed"
else
echo "⚠ Assets permissions script not found, fixing permissions manually..."
# Set ownership of the entire assets directory to the real user
echo "Setting ownership of assets directory..."
chown -R "$ACTUAL_USER:$ACTUAL_USER" "$PROJECT_ROOT_DIR/assets"
# Set permissions to allow read/write for owner and group, read for others
echo "Setting permissions for assets directory..."
chmod -R 775 "$PROJECT_ROOT_DIR/assets"
# Specifically ensure the sports logos directories are writable
SPORTS_DIRS=(
"sports/ncaa_logos"
"sports/nfl_logos"
"sports/nba_logos"
"sports/nhl_logos"
"sports/mlb_logos"
"sports/milb_logos"
"sports/soccer_logos"
)
echo "Ensuring sports logo directories are writable..."
for SPORTS_DIR in "${SPORTS_DIRS[@]}"; do
FULL_PATH="$PROJECT_ROOT_DIR/assets/$SPORTS_DIR"
if [ -d "$FULL_PATH" ]; then
chmod 775 "$FULL_PATH"
chown "$ACTUAL_USER:$ACTUAL_USER" "$FULL_PATH"
else
echo "Creating directory: $FULL_PATH"
mkdir -p "$FULL_PATH"
chown "$ACTUAL_USER:$ACTUAL_USER" "$FULL_PATH"
chmod 775 "$FULL_PATH"
fi
done
echo "✓ Assets permissions fixed manually"
fi
echo ""
CURRENT_STEP="Install main LED Matrix service"
echo "Step 4: Installing main LED Matrix service..."
echo "---------------------------------------------"
# Run the main service installation (idempotent)
if [ -f "$PROJECT_ROOT_DIR/install_service.sh" ]; then
echo "Running main service installation..."
bash "$PROJECT_ROOT_DIR/install_service.sh"
echo "✓ Main LED Matrix service installed"
else
echo "✗ Main service installation script not found at $PROJECT_ROOT_DIR/install_service.sh"
echo "Please ensure you are running this script from the project root: $PROJECT_ROOT_DIR"
exit 1
fi
echo ""
CURRENT_STEP="Ensure configuration files exist"
echo "Step 4.1: Ensuring configuration files exist..."
echo "------------------------------------------------"
# Ensure config directory exists
mkdir -p "$PROJECT_ROOT_DIR/config"
chmod 755 "$PROJECT_ROOT_DIR/config" || true
# Create config.json from template if missing
if [ ! -f "$PROJECT_ROOT_DIR/config/config.json" ]; then
if [ -f "$PROJECT_ROOT_DIR/config/config.template.json" ]; then
echo "Creating config/config.json from template..."
cp "$PROJECT_ROOT_DIR/config/config.template.json" "$PROJECT_ROOT_DIR/config/config.json"
chown "$ACTUAL_USER:$ACTUAL_USER" "$PROJECT_ROOT_DIR/config/config.json" || true
chmod 644 "$PROJECT_ROOT_DIR/config/config.json"
echo "✓ Main config file created from template"
else
echo "⚠ Template config/config.template.json not found; creating a minimal config file"
cat > "$PROJECT_ROOT_DIR/config/config.json" <<'EOF'
{
"web_display_autostart": true,
"timezone": "America/Chicago",
"display": {
"hardware": {
"rows": 32,
"cols": 64,
"chain_length": 2,
"parallel": 1,
"brightness": 95,
"hardware_mapping": "adafruit-hat-pwm"
}
},
"clock": {
"enabled": true,
"format": "%I:%M %p"
}
}
EOF
chown "$ACTUAL_USER:$ACTUAL_USER" "$PROJECT_ROOT_DIR/config/config.json" || true
chmod 644 "$PROJECT_ROOT_DIR/config/config.json"
echo "✓ Minimal config file created"
fi
else
echo "✓ Main config file already exists"
fi
# Create config_secrets.json from template if missing
if [ ! -f "$PROJECT_ROOT_DIR/config/config_secrets.json" ]; then
if [ -f "$PROJECT_ROOT_DIR/config/config_secrets.template.json" ]; then
echo "Creating config/config_secrets.json from template..."
cp "$PROJECT_ROOT_DIR/config/config_secrets.template.json" "$PROJECT_ROOT_DIR/config/config_secrets.json"
chown "$ACTUAL_USER:$ACTUAL_USER" "$PROJECT_ROOT_DIR/config/config_secrets.json" || true
chmod 640 "$PROJECT_ROOT_DIR/config/config_secrets.json"
echo "✓ Secrets file created from template"
else
echo "⚠ Template config/config_secrets.template.json not found; creating a minimal secrets file"
cat > "$PROJECT_ROOT_DIR/config/config_secrets.json" <<'EOF'
{
"weather": {
"api_key": "YOUR_OPENWEATHERMAP_API_KEY"
}
}
EOF
chown "$ACTUAL_USER:$ACTUAL_USER" "$PROJECT_ROOT_DIR/config/config_secrets.json" || true
chmod 640 "$PROJECT_ROOT_DIR/config/config_secrets.json"
echo "✓ Minimal secrets file created"
fi
else
echo "✓ Secrets file already exists"
fi
echo ""
CURRENT_STEP="Install project Python dependencies"
echo "Step 5: Installing Python project dependencies..."
echo "-----------------------------------------------"
# Install main project Python dependencies
cd "$PROJECT_ROOT_DIR"
if [ -f "$PROJECT_ROOT_DIR/requirements.txt" ]; then
python3 -m pip install --break-system-packages -r "$PROJECT_ROOT_DIR/requirements.txt"
else
echo "⚠ requirements.txt not found; skipping main dependency install"
fi
echo "✓ Project Python dependencies installed"
echo ""
CURRENT_STEP="Build and install rpi-rgb-led-matrix"
echo "Step 6: Building and installing rpi-rgb-led-matrix..."
echo "-----------------------------------------------------"
# If already installed and not forcing rebuild, skip expensive build
if python3 -c 'from rgbmatrix import RGBMatrix, RGBMatrixOptions' >/dev/null 2>&1 && [ "${RPI_RGB_FORCE_REBUILD:-0}" != "1" ]; then
echo "rgbmatrix Python package already available; skipping build (set RPI_RGB_FORCE_REBUILD=1 to force rebuild)."
else
# Build and install rpi-rgb-led-matrix Python bindings
if [ -d "$PROJECT_ROOT_DIR/rpi-rgb-led-matrix-master" ]; then
pushd "$PROJECT_ROOT_DIR/rpi-rgb-led-matrix-master" >/dev/null
echo "Building rpi-rgb-led-matrix Python bindings..."
make build-python PYTHON=$(which python3)
cd bindings/python
echo "Installing rpi-rgb-led-matrix Python package via pip..."
python3 -m pip install --break-system-packages .
popd >/dev/null
else
echo "✗ rpi-rgb-led-matrix-master directory not found at $PROJECT_ROOT_DIR"
echo "You can clone it with: git submodule update --init --recursive (if applicable)"
exit 1
fi
echo "Running rgbmatrix import test..."
if python3 - <<'PY'
from importlib.metadata import version, PackageNotFoundError
try:
from rgbmatrix import RGBMatrix, RGBMatrixOptions
try:
print("Success! rgbmatrix version:", version('rgbmatrix'))
except PackageNotFoundError:
print("Success! rgbmatrix installed (version unknown)")
except Exception as e:
raise SystemExit(f"rgbmatrix import failed: {e}")
PY
then
echo "✓ rpi-rgb-led-matrix installed and verified"
else
echo "✗ rpi-rgb-led-matrix import test failed"
exit 1
fi
fi
echo ""
CURRENT_STEP="Install web interface dependencies"
echo "Step 7: Installing web interface dependencies..."
echo "------------------------------------------------"
# Install web interface dependencies
echo "Installing Python dependencies for web interface..."
cd "$PROJECT_ROOT_DIR"
# Try to install dependencies using the smart installer if available
if [ -f "$PROJECT_ROOT_DIR/scripts/install_dependencies_apt.py" ]; then
echo "Using smart dependency installer..."
python3 "$PROJECT_ROOT_DIR/scripts/install_dependencies_apt.py"
else
echo "Using pip to install dependencies..."
if [ -f "$PROJECT_ROOT_DIR/requirements_web_v2.txt" ]; then
python3 -m pip install --break-system-packages -r requirements_web_v2.txt
else
echo "⚠ requirements_web_v2.txt not found; skipping web dependency install"
fi
fi
echo "✓ Web interface dependencies installed"
echo ""
CURRENT_STEP="Install web interface service"
echo "Step 8: Installing web interface service..."
echo "-------------------------------------------"
if [ -f "$PROJECT_ROOT_DIR/install_web_service.sh" ]; then
if [ ! -f "/etc/systemd/system/ledmatrix-web.service" ]; then
bash "$PROJECT_ROOT_DIR/install_web_service.sh"
# Ensure systemd sees any new/changed unit files
systemctl daemon-reload || true
echo "✓ Web interface service installed"
else
echo "ledmatrix-web.service already present; preserving existing configuration and skipping static installer"
fi
else
echo "⚠ install_web_service.sh not found; skipping web service installation"
fi
echo ""
CURRENT_STEP="Harden systemd unit file permissions"
echo "Step 8.1: Setting systemd unit file permissions..."
echo "-----------------------------------------------"
for unit in "/etc/systemd/system/ledmatrix.service" "/etc/systemd/system/ledmatrix-web.service"; do
if [ -f "$unit" ]; then
chown root:root "$unit" || true
chmod 644 "$unit" || true
fi
done
systemctl daemon-reload || true
echo "✓ Systemd unit file permissions set"
echo ""
CURRENT_STEP="Configure web interface permissions"
echo "Step 9: Configuring web interface permissions..."
echo "------------------------------------------------"
# Add user to required groups (idempotent)
echo "Adding user to systemd-journal group..."
if id -nG "$ACTUAL_USER" | grep -qw systemd-journal; then
echo "User $ACTUAL_USER already in systemd-journal"
else
usermod -a -G systemd-journal "$ACTUAL_USER"
fi
echo "Adding user to adm group..."
if id -nG "$ACTUAL_USER" | grep -qw adm; then
echo "User $ACTUAL_USER already in adm"
else
usermod -a -G adm "$ACTUAL_USER"
fi
echo "✓ User added to required groups"
echo ""
CURRENT_STEP="Configure passwordless sudo access"
echo "Step 10: Configuring passwordless sudo access..."
echo "------------------------------------------------"
# Create sudoers configuration for the web interface
echo "Creating sudoers configuration..."
SUDOERS_FILE="/etc/sudoers.d/ledmatrix_web"
# Get command paths
PYTHON_PATH=$(which python3)
SYSTEMCTL_PATH=$(which systemctl)
REBOOT_PATH=$(which reboot)
POWEROFF_PATH=$(which poweroff)
BASH_PATH=$(which bash)
# Create sudoers content
cat > /tmp/ledmatrix_web_sudoers << EOF
# LED Matrix Web Interface passwordless sudo configuration
# This allows the web interface user to run specific commands without a password
# Allow $ACTUAL_USER to run specific commands without a password for the LED Matrix web interface
$ACTUAL_USER ALL=(ALL) NOPASSWD: $REBOOT_PATH
$ACTUAL_USER ALL=(ALL) NOPASSWD: $POWEROFF_PATH
$ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH start ledmatrix.service
$ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH stop ledmatrix.service
$ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH restart ledmatrix.service
$ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH enable ledmatrix.service
$ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH disable ledmatrix.service
$ACTUAL_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH status ledmatrix.service
$ACTUAL_USER ALL=(ALL) NOPASSWD: $PYTHON_PATH $PROJECT_ROOT_DIR/display_controller.py
$ACTUAL_USER ALL=(ALL) NOPASSWD: $BASH_PATH $PROJECT_ROOT_DIR/start_display.sh
$ACTUAL_USER ALL=(ALL) NOPASSWD: $BASH_PATH $PROJECT_ROOT_DIR/stop_display.sh
EOF
if [ -f "$SUDOERS_FILE" ] && cmp -s /tmp/ledmatrix_web_sudoers "$SUDOERS_FILE"; then
echo "Sudoers configuration already up to date"
rm /tmp/ledmatrix_web_sudoers
else
echo "Installing/updating sudoers configuration..."
cp /tmp/ledmatrix_web_sudoers "$SUDOERS_FILE"
chmod 440 "$SUDOERS_FILE"
rm /tmp/ledmatrix_web_sudoers
fi
echo "✓ Passwordless sudo access configured"
echo ""
CURRENT_STEP="Set proper file ownership"
echo "Step 11: Setting proper file ownership..."
echo "----------------------------------------"
# Set ownership of project files to the user
echo "Setting project file ownership..."
chown -R "$ACTUAL_USER:$ACTUAL_USER" "$PROJECT_ROOT_DIR"
# Set proper permissions for config files
if [ -f "$PROJECT_ROOT_DIR/config/config.json" ]; then
chmod 644 "$PROJECT_ROOT_DIR/config/config.json"
echo "✓ Config file permissions set"
fi
# Set proper permissions for secrets file (restrictive: owner rw, group r)
if [ -f "$PROJECT_ROOT_DIR/config/config_secrets.json" ]; then
chown "$ACTUAL_USER:$ACTUAL_USER" "$PROJECT_ROOT_DIR/config/config_secrets.json" || true
chmod 640 "$PROJECT_ROOT_DIR/config/config_secrets.json"
echo "✓ Secrets file permissions set"
fi
# Set proper permissions for YTM auth file (readable by all users including root service)
if [ -f "$PROJECT_ROOT_DIR/config/ytm_auth.json" ]; then
chown "$ACTUAL_USER:$ACTUAL_USER" "$PROJECT_ROOT_DIR/config/ytm_auth.json" || true
chmod 644 "$PROJECT_ROOT_DIR/config/ytm_auth.json"
echo "✓ YTM auth file permissions set"
fi
echo "✓ File ownership configured"
echo ""
CURRENT_STEP="Normalize project file permissions"
echo "Step 11.1: Normalizing project file and directory permissions..."
echo "--------------------------------------------------------------"
# Normalize directory permissions (exclude VCS metadata)
find "$PROJECT_ROOT_DIR" -path "*/.git*" -prune -o -type d -exec chmod 755 {} +
# Set default file permissions
find "$PROJECT_ROOT_DIR" -path "*/.git*" -prune -o -type f -exec chmod 644 {} +
# Ensure shell scripts are executable
find "$PROJECT_ROOT_DIR" -path "*/.git*" -prune -o -type f -name "*.sh" -exec chmod 755 {} +
# Explicitly ensure common helper scripts are executable (in case paths change)
chmod 755 "$PROJECT_ROOT_DIR/start_display.sh" "$PROJECT_ROOT_DIR/stop_display.sh" 2>/dev/null || true
chmod 755 "$PROJECT_ROOT_DIR/fix_cache_permissions.sh" "$PROJECT_ROOT_DIR/fix_web_permissions.sh" "$PROJECT_ROOT_DIR/fix_assets_permissions.sh" 2>/dev/null || true
chmod 755 "$PROJECT_ROOT_DIR/install_service.sh" "$PROJECT_ROOT_DIR/install_web_service.sh" 2>/dev/null || true
echo "✓ Project file permissions normalized"
echo ""
CURRENT_STEP="Sound module configuration"
echo "Step 12: 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" > "$BLACKLIST_FILE"
fi
fi
# Update initramfs if available
if command -v update-initramfs >/dev/null 2>&1; then
echo "Updating initramfs..."
update-initramfs -u
else
echo "update-initramfs not found; skipping"
fi
echo "✓ Sound module configuration applied"
echo ""
CURRENT_STEP="Apply performance optimizations"
echo "Step 13: Applying performance optimizations..."
echo "---------------------------------------------"
# Prefer /boot/firmware on newer Raspberry Pi OS, fall back to /boot on older
CMDLINE_FILE="/boot/firmware/cmdline.txt"
CONFIG_FILE="/boot/firmware/config.txt"
if [ ! -f "$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 14: Testing the installation..."
echo "----------------------------------"
# Test sudo access
echo "Testing sudo access..."
if sudo -u "$ACTUAL_USER" sudo -n systemctl status ledmatrix.service > /dev/null 2>&1; then
echo "✓ Sudo access test passed"
else
echo "⚠ Sudo access test failed - may need to log out and back in"
fi
# Test journal access
echo "Testing journal access..."
if sudo -u "$ACTUAL_USER" journalctl --no-pager --lines=1 > /dev/null 2>&1; then
echo "✓ Journal access test passed"
else
echo "⚠ Journal access test failed - may need to log out and back in"
fi
# Check service status
echo "Checking service status..."
if systemctl is-active --quiet ledmatrix.service; then
echo "✓ Main LED Matrix service is running"
else
echo "⚠ Main LED Matrix service is not running"
fi
if systemctl is-active --quiet ledmatrix-web.service; then
echo "✓ Web interface service is running"
else
echo "⚠ Web interface service is not running"
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 "=========================================="
echo ""
echo "IMPORTANT: For group changes to take effect, you need to:"
echo "1. Log out and log back in to your SSH session, OR"
echo "2. Run: newgrp systemd-journal"
echo ""
echo "After logging back in, you can:"
echo ""
echo "Access the web interface at:"
echo " http://your-pi-ip:5001"
echo ""
echo "Check service status:"
echo " sudo systemctl status ledmatrix.service"
echo " sudo systemctl status ledmatrix-web.service"
echo ""
echo "View logs:"
echo " journalctl -u ledmatrix.service -f"
echo " journalctl -u ledmatrix-web.service -f"
echo ""
echo "Control the display:"
echo " sudo systemctl start ledmatrix.service"
echo " sudo systemctl stop ledmatrix.service"
echo ""
echo "Enable/disable web interface autostart:"
echo " Edit config/config.json and set 'web_display_autostart': true"
echo ""
echo "Configuration files:"
echo " Main config: config/config.json (created from template automatically)"
echo " Secrets: config/config_secrets.json (created from template automatically)"
echo " Template: config/config.template.json (reference for new options)"
echo ""
echo "Enjoy your LED Matrix display!"