443 lines
12 KiB
Bash
Executable File
443 lines
12 KiB
Bash
Executable File
#!/bin/bash
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# ============================================================
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# PRACTICE EXAM SETUP SCRIPT
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# Betriebssysteme und Netzwerke - 45 Minute Practice Test
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# ============================================================
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# This script sets up a server environment with multiple services
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# for students to practice system administration troubleshooting
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# ============================================================
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set -e
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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print_status() {
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echo -e "${BLUE}[*]${NC} $1"
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}
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print_success() {
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echo -e "${GREEN}[✓]${NC} $1"
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}
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print_warning() {
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echo -e "${YELLOW}[!]${NC} $1"
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}
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print_error() {
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echo -e "${RED}[✗]${NC} $1"
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}
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# Check if running as root
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if [[ $EUID -ne 0 ]]; then
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print_error "This script must be run as root (use sudo)"
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exit 1
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fi
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echo ""
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echo "============================================================"
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echo " PRACTICE EXAM ENVIRONMENT SETUP"
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echo " Betriebssysteme und Netzwerke"
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echo "============================================================"
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echo ""
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# ============================================================
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# STEP 1: Install required packages
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# ============================================================
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print_status "Updating package lists..."
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apt-get update -qq
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print_status "Installing required packages..."
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apt-get install -y -qq nginx mysql-server php-fpm php-mysql docker.io docker-compose ufw curl > /dev/null 2>&1
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print_success "Packages installed"
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# ============================================================
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# STEP 2: Configure Nginx - Website 1 (company.local)
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# ============================================================
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print_status "Setting up company.local website..."
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# Create website directory
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mkdir -p /var/www/company
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cat > /var/www/company/index.html << 'EOF'
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<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta charset="UTF-8">
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<title>Company Portal</title>
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<style>
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body { font-family: Arial, sans-serif; margin: 40px; background: #f5f5f5; }
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.container { background: white; padding: 30px; border-radius: 8px; max-width: 600px; margin: 0 auto; }
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h1 { color: #2c3e50; }
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.status { color: #27ae60; font-weight: bold; }
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</style>
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</head>
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<body>
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<div class="container">
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<h1>Company Portal</h1>
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<p class="status">Status: Online</p>
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<p>Welcome to the internal company portal.</p>
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</div>
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</body>
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</html>
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EOF
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# Set correct permissions
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chown -R www-data:www-data /var/www/company
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chmod -R 755 /var/www/company
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# Create Nginx config
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cat > /etc/nginx/sites-available/company.local << 'EOF'
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server {
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listen 80;
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server_name company.local;
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root /var/www/company;
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index index.html;
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location / {
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try_files $uri $uri/ =404;
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}
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error_log /var/log/nginx/company_error.log;
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access_log /var/log/nginx/company_access.log;
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}
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EOF
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# Enable site
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ln -sf /etc/nginx/sites-available/company.local /etc/nginx/sites-enabled/
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print_success "company.local configured"
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# ============================================================
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# STEP 3: Configure Nginx - Website 2 (shop.local)
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# ============================================================
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print_status "Setting up shop.local website..."
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# Create website directory
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mkdir -p /var/www/shop
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cat > /var/www/shop/index.html << 'EOF'
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<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta charset="UTF-8">
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<title>Online Shop</title>
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<style>
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body { font-family: Arial, sans-serif; margin: 40px; background: #e8f4f8; }
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.container { background: white; padding: 30px; border-radius: 8px; max-width: 600px; margin: 0 auto; }
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h1 { color: #3498db; }
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.status { color: #27ae60; font-weight: bold; }
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</style>
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</head>
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<body>
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<div class="container">
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<h1>Online Shop</h1>
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<p class="status">Status: Online</p>
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<p>Browse our products and enjoy shopping!</p>
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</div>
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</body>
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</html>
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EOF
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# Set correct permissions
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chown -R www-data:www-data /var/www/shop
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chmod -R 755 /var/www/shop
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# Create Nginx config
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cat > /etc/nginx/sites-available/shop.local << 'EOF'
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server {
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listen 80;
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server_name shop.local www.shop.local;
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root /var/www/shop;
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index index.html;
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location / {
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try_files $uri $uri/ =404;
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}
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error_log /var/log/nginx/shop_error.log;
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access_log /var/log/nginx/shop_access.log;
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}
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EOF
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# Enable site
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ln -sf /etc/nginx/sites-available/shop.local /etc/nginx/sites-enabled/
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print_success "shop.local configured"
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# ============================================================
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# STEP 4: Configure PHP-FPM API (api.local:8080)
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# ============================================================
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print_status "Setting up PHP API on api.local..."
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# Create API directory
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mkdir -p /var/www/api
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cat > /var/www/api/index.php << 'EOF'
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<?php
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header('Content-Type: application/json');
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$response = [
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'status' => 'success',
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'message' => 'API is running',
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'timestamp' => date('Y-m-d H:i:s'),
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'server' => 'Practice Exam Server',
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'endpoints' => [
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'/health' => 'Health check',
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'/info' => 'Server information'
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]
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];
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echo json_encode($response, JSON_PRETTY_PRINT);
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?>
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EOF
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cat > /var/www/api/health.php << 'EOF'
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<?php
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header('Content-Type: application/json');
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echo json_encode(['status' => 'healthy', 'uptime' => shell_exec('uptime -p')]);
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?>
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EOF
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# Set permissions
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chown -R www-data:www-data /var/www/api
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chmod -R 755 /var/www/api
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# Detect PHP-FPM version
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PHP_VERSION=$(php -r "echo PHP_MAJOR_VERSION.'.'.PHP_MINOR_VERSION;")
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# Create API Nginx config
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cat > /etc/nginx/sites-available/api.local << EOF
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server {
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listen 8080;
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server_name api.local;
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root /var/www/api;
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index index.php;
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location / {
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try_files \$uri \$uri/ =404;
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}
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location ~ \.php\$ {
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include snippets/fastcgi-php.conf;
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fastcgi_pass unix:/var/run/php/php${PHP_VERSION}-fpm.sock;
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}
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error_log /var/log/nginx/api_error.log;
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access_log /var/log/nginx/api_access.log;
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}
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EOF
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# Enable site
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ln -sf /etc/nginx/sites-available/api.local /etc/nginx/sites-enabled/
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print_success "api.local configured on port 8080"
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# ============================================================
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# STEP 5: Configure MySQL Database
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# ============================================================
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print_status "Setting up MySQL database..."
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# Start MySQL if not running
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systemctl start mysql
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systemctl enable mysql
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# Create database and user
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mysql -e "CREATE DATABASE IF NOT EXISTS practicedb;"
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mysql -e "CREATE USER IF NOT EXISTS 'webuser'@'localhost' IDENTIFIED BY 'WebPass123!';"
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mysql -e "GRANT ALL PRIVILEGES ON practicedb.* TO 'webuser'@'localhost';"
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mysql -e "FLUSH PRIVILEGES;"
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# Create test table with data
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mysql practicedb << 'EOF'
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CREATE TABLE IF NOT EXISTS products (
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id INT AUTO_INCREMENT PRIMARY KEY,
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name VARCHAR(100) NOT NULL,
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price DECIMAL(10,2) NOT NULL,
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stock INT DEFAULT 0,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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INSERT IGNORE INTO products (id, name, price, stock) VALUES
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(1, 'Laptop', 999.99, 50),
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(2, 'Mouse', 29.99, 200),
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(3, 'Keyboard', 79.99, 150),
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(4, 'Monitor', 299.99, 75);
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EOF
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print_success "MySQL database 'practicedb' configured"
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# ============================================================
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# STEP 6: Configure Docker Application
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# ============================================================
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print_status "Setting up Docker application..."
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# Start and enable Docker
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systemctl start docker
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systemctl enable docker
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# Create Docker app directory
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mkdir -p /opt/docker-app
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cat > /opt/docker-app/docker-compose.yml << 'EOF'
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version: '3'
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services:
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webapp:
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image: nginx:alpine
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container_name: practice-webapp
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ports:
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- "8888:80"
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volumes:
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- ./html:/usr/share/nginx/html:ro
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restart: unless-stopped
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EOF
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# Create simple HTML for Docker app
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mkdir -p /opt/docker-app/html
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cat > /opt/docker-app/html/index.html << 'EOF'
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<!DOCTYPE html>
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<html>
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<head>
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<title>Docker App</title>
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<style>
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body { font-family: Arial; background: #2c3e50; color: white; text-align: center; padding: 50px; }
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.container { background: #34495e; padding: 30px; border-radius: 10px; display: inline-block; }
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h1 { color: #1abc9c; }
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</style>
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</head>
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<body>
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<div class="container">
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<h1>Docker Application</h1>
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<p>Running in a container on port 8888</p>
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</div>
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</body>
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</html>
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EOF
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# Start Docker container
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cd /opt/docker-app
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docker-compose up -d
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print_success "Docker application started on port 8888"
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# ============================================================
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# STEP 7: Configure Firewall (UFW)
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# ============================================================
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print_status "Configuring firewall..."
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# Reset UFW to defaults
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ufw --force reset > /dev/null 2>&1
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# Set default policies
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ufw default deny incoming > /dev/null 2>&1
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ufw default allow outgoing > /dev/null 2>&1
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# Allow required ports
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ufw allow 22/tcp > /dev/null 2>&1 # SSH
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ufw allow 80/tcp > /dev/null 2>&1 # HTTP
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ufw allow 8080/tcp > /dev/null 2>&1 # API
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ufw allow 8888/tcp > /dev/null 2>&1 # Docker app
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ufw allow 3306/tcp > /dev/null 2>&1 # MySQL (local)
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# Enable firewall
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ufw --force enable > /dev/null 2>&1
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print_success "Firewall configured"
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# ============================================================
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# STEP 8: Configure /etc/hosts
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# ============================================================
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print_status "Configuring DNS entries in /etc/hosts..."
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# Remove old entries if they exist
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sed -i '/company\.local/d' /etc/hosts
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sed -i '/shop\.local/d' /etc/hosts
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sed -i '/api\.local/d' /etc/hosts
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# Add new entries
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echo "127.0.0.1 company.local" >> /etc/hosts
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echo "127.0.0.1 shop.local" >> /etc/hosts
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echo "127.0.0.1 www.shop.local" >> /etc/hosts
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echo "127.0.0.1 api.local" >> /etc/hosts
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print_success "/etc/hosts configured"
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# ============================================================
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# STEP 9: Start and enable services
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# ============================================================
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print_status "Starting all services..."
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# Enable and start PHP-FPM
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systemctl enable php${PHP_VERSION}-fpm
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systemctl start php${PHP_VERSION}-fpm
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# Test and reload Nginx
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nginx -t > /dev/null 2>&1
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systemctl enable nginx
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systemctl restart nginx
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print_success "All services started"
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# ============================================================
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# FINAL: Verification
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# ============================================================
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echo ""
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echo "============================================================"
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echo " SETUP COMPLETE"
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echo "============================================================"
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echo ""
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print_status "Verifying services..."
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echo ""
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# Test each service
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echo "Testing services:"
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echo ""
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# Test company.local
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if curl -s -o /dev/null -w "%{http_code}" http://company.local 2>/dev/null | grep -q "200"; then
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print_success "company.local → OK (HTTP 200)"
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else
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print_error "company.local → FAILED"
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fi
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# Test shop.local
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if curl -s -o /dev/null -w "%{http_code}" http://shop.local 2>/dev/null | grep -q "200"; then
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print_success "shop.local → OK (HTTP 200)"
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else
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print_error "shop.local → FAILED"
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fi
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# Test API
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if curl -s http://api.local:8080 2>/dev/null | grep -q "success"; then
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print_success "api.local:8080 → OK (JSON response)"
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else
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print_error "api.local:8080 → FAILED"
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fi
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# Test Docker app
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if curl -s -o /dev/null -w "%{http_code}" http://localhost:8888 2>/dev/null | grep -q "200"; then
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print_success "Docker app :8888 → OK (HTTP 200)"
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else
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print_error "Docker app :8888 → FAILED"
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fi
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# Test MySQL
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if mysql -u webuser -p'WebPass123!' practicedb -e "SELECT 1;" > /dev/null 2>&1; then
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print_success "MySQL database → OK (Connection successful)"
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else
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print_error "MySQL database → FAILED"
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fi
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echo ""
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echo "============================================================"
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echo "Server is ready for the practice exam!"
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echo ""
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echo "Available services:"
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echo " - http://company.local (Company Portal)"
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echo " - http://shop.local (Online Shop)"
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echo " - http://api.local:8080 (REST API)"
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echo " - http://localhost:8888 (Docker App)"
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echo " - MySQL: webuser@localhost (Database)"
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echo ""
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echo "Run 'sudo ./break_server.sh' to start the exam"
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echo "============================================================"
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