#!/bin/bash
# Lighthouse Module Installation Script
# Installs Chrome/Chromium and system dependencies for macOS, Linux, and Windows (via WSL)
set -e
# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color
# Logging functions
log_info() {
echo -e "${BLUE}[INFO]${NC} $1"
}
log_success() {
echo -e "${GREEN}[SUCCESS]${NC} $1"
}
log_warning() {
echo -e "${YELLOW}[WARNING]${NC} $1"
}
log_error() {
echo -e "${RED}[ERROR]${NC} $1"
}
# Detect operating system
detect_os() {
if [[ "$OSTYPE" == "darwin"* ]]; then
OS="macos"
elif [[ "$OSTYPE" == "linux-gnu"* ]]; then
OS="linux"
# Detect Linux distribution
if [ -f /etc/os-release ]; then
. /etc/os-release
DISTRO=$ID
elif [ -f /etc/redhat-release ]; then
DISTRO="rhel"
elif [ -f /etc/debian_version ]; then
DISTRO="debian"
else
DISTRO="unknown"
fi
elif [[ "$OSTYPE" == "msys" ]] || [[ "$OSTYPE" == "cygwin" ]] || [[ -n "$WSL_DISTRO_NAME" ]]; then
OS="windows"
if [[ -n "$WSL_DISTRO_NAME" ]]; then
log_info "Detected WSL environment: $WSL_DISTRO_NAME"
# Treat WSL as Linux for package installation
OS="linux"
. /etc/os-release
DISTRO=$ID
fi
else
OS="unknown"
fi
}
# Check if command exists
command_exists() {
command -v "$1" >/dev/null 2>&1
}
# Check if Chrome/Chromium is already installed
check_chrome_installed() {
if command_exists google-chrome || command_exists google-chrome-stable; then
log_success "Google Chrome is already installed"
google-chrome --version 2>/dev/null || google-chrome-stable --version 2>/dev/null
return 0
elif command_exists chromium || command_exists chromium-browser; then
log_success "Chromium is already installed"
chromium --version 2>/dev/null || chromium-browser --version 2>/dev/null
return 0
else
return 1
fi
}
# Install Chrome on macOS
install_chrome_macos() {
log_info "Installing Chrome on macOS..."
if command_exists brew; then
log_info "Using Homebrew to install Chrome..."
brew install --cask google-chrome
else
log_warning "Homebrew not found. Please install Chrome manually:"
log_info "1. Download Chrome from: https://www.google.com/chrome/"
log_info "2. Or install Homebrew first: /bin/bash -c \"\$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)\""
return 1
fi
}
# Install Chrome on Ubuntu/Debian
install_chrome_debian() {
log_info "Installing Chrome on Ubuntu/Debian..."
# Update package list
sudo apt update
# Install dependencies
sudo apt install -y wget gnupg ca-certificates
# Add Google Chrome repository
wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" | sudo tee /etc/apt/sources.list.d/google-chrome.list
# Update package list and install Chrome
sudo apt update
sudo apt install -y google-chrome-stable
# Install additional dependencies for headless Chrome
sudo apt install -y \
libnss3 \
libatk-bridge2.0-0 \
libdrm2 \
libxcomposite1 \
libxdamage1 \
libxrandr2 \
libgbm1 \
libxss1 \
libasound2
}
# Install Chrome on CentOS/RHEL/Fedora
install_chrome_rhel() {
log_info "Installing Chrome on CentOS/RHEL/Fedora..."
# Create Chrome repository file
sudo tee /etc/yum.repos.d/google-chrome.repo > /dev/null <<EOF
[google-chrome]
name=google-chrome
baseurl=http://dl.google.com/linux/chrome/rpm/stable/x86_64
enabled=1
gpgcheck=1
gpgkey=https://dl.google.com/linux/linux_signing_key.pub
EOF
# Install Chrome
if command_exists dnf; then
sudo dnf install -y google-chrome-stable
# Install additional dependencies
sudo dnf install -y \
nss \
atk \
at-spi2-atk \
libdrm \
libXcomposite \
libXdamage \
libXrandr \
mesa-libgbm \
libXScrnSaver \
alsa-lib
elif command_exists yum; then
sudo yum install -y google-chrome-stable
# Install additional dependencies
sudo yum install -y \
nss \
atk \
at-spi2-atk \
libdrm \
libXcomposite \
libXdamage \
libXrandr \
mesa-libgbm \
libXScrnSaver \
alsa-lib
else
log_error "Neither dnf nor yum package manager found"
return 1
fi
}
# Install Chromium as fallback
install_chromium_fallback() {
log_info "Installing Chromium as fallback..."
case $DISTRO in
ubuntu|debian)
sudo apt update
sudo apt install -y chromium-browser
;;
fedora)
sudo dnf install -y chromium
;;
centos|rhel)
# Enable EPEL repository first
sudo yum install -y epel-release
sudo yum install -y chromium
;;
arch)
sudo pacman -S --noconfirm chromium
;;
*)
log_error "Unsupported Linux distribution for automatic Chromium installation"
return 1
;;
esac
}
# Install Node.js dependencies
install_node_dependencies() {
log_info "Installing Node.js dependencies..."
if [ ! -f "package.json" ]; then
log_error "package.json not found. Please run this script from the lighthouse module directory."
return 1
fi
if command_exists npm; then
npm install
elif command_exists yarn; then
yarn install
elif command_exists pnpm; then
pnpm install
else
log_error "No Node.js package manager found (npm, yarn, or pnpm)"
return 1
fi
}
# Test Chrome installation
test_chrome() {
log_info "Testing Chrome installation..."
if command_exists google-chrome; then
CHROME_CMD="google-chrome"
elif command_exists google-chrome-stable; then
CHROME_CMD="google-chrome-stable"
elif command_exists chromium; then
CHROME_CMD="chromium"
elif command_exists chromium-browser; then
CHROME_CMD="chromium-browser"
else
log_error "No Chrome or Chromium installation found"
return 1
fi
# Test headless mode
log_info "Testing headless mode..."
if $CHROME_CMD --headless --disable-gpu --dump-dom https://example.com > /dev/null 2>&1; then
log_success "Chrome headless mode test passed"
else
log_warning "Chrome headless mode test failed, but Chrome is installed"
fi
}
# Main installation function
main() {
echo "=============================================="
echo " Lighthouse Module Installation Script"
echo "=============================================="
echo
# Detect operating system
detect_os
log_info "Detected OS: $OS"
if [ "$OS" = "linux" ]; then
log_info "Detected Linux distribution: $DISTRO"
fi
echo
# Check if Chrome is already installed
if check_chrome_installed; then
log_info "Chrome/Chromium is already available, skipping browser installation"
else
log_info "Chrome/Chromium not found, installing..."
case $OS in
macos)
if ! install_chrome_macos; then
log_error "Failed to install Chrome on macOS"
exit 1
fi
;;
linux)
case $DISTRO in
ubuntu|debian)
if ! install_chrome_debian; then
log_warning "Chrome installation failed, trying Chromium..."
install_chromium_fallback
fi
;;
fedora|centos|rhel)
if ! install_chrome_rhel; then
log_warning "Chrome installation failed, trying Chromium..."
install_chromium_fallback
fi
;;
*)
log_warning "Unsupported Linux distribution for Chrome, installing Chromium..."
install_chromium_fallback
;;
esac
;;
windows)
log_warning "Windows detected. Please install Chrome manually:"
log_info "Download from: https://www.google.com/chrome/"
;;
*)
log_error "Unsupported operating system: $OSTYPE"
exit 1
;;
esac
fi
echo
# Install Node.js dependencies
install_node_dependencies
echo
# Test installation
test_chrome
echo
log_success "Installation completed successfully!"
echo
echo "Next steps:"
echo "1. Run tests: npm test"
echo "2. Start the MCP server to use the Lighthouse module"
echo "3. Check the README.md for usage examples"
}
# Run main function
main "$@"
