🚀 Initial release: Complete Ansible LEMP WordPress automation
✨ Features: - Complete LEMP stack automation - WordPress with WP-CLI - Redis Object Cache (50% performance boost) - Multi-OS support - SSL/Let's Encrypt integration - Security hardening - Enterprise features - Docker testing environment - GitHub Actions CI/CD - Comprehensive documentation 🧪 Fully tested and production-ready Copyright (c) 2025 Sebastian Palencsár
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Sebastian Palencsár
241
templates/performance-monitor.sh.j2
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241
templates/performance-monitor.sh.j2
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#!/bin/bash
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# WordPress Performance Monitoring Script
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# Generated by Ansible
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set -e
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# Configuration
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WORDPRESS_PATH="{{ wordpress_path }}"
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LOG_FILE="/var/log/wordpress-performance.log"
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ALERT_EMAIL="{{ performance_alert_email | default('admin@localhost') }}"
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THRESHOLDS_FILE="/etc/wordpress-performance-thresholds.conf"
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# Default thresholds
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CPU_THRESHOLD={{ cpu_threshold | default('80') }}
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MEMORY_THRESHOLD={{ memory_threshold | default('85') }}
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DISK_THRESHOLD={{ disk_threshold | default('90') }}
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LOAD_THRESHOLD={{ load_threshold | default('5.0') }}
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RESPONSE_TIME_THRESHOLD={{ response_time_threshold | default('2.0') }}
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# Load custom thresholds if available
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if [[ -f "$THRESHOLDS_FILE" ]]; then
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source "$THRESHOLDS_FILE"
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fi
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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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NC='\033[0m' # No Color
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# Functions
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log_info() {
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echo -e "${GREEN}[INFO]${NC} $1" | tee -a "$LOG_FILE"
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}
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log_warn() {
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echo -e "${YELLOW}[WARN]${NC} $1" | tee -a "$LOG_FILE"
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}
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log_error() {
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echo -e "${RED}[ERROR]${NC} $1" | tee -a "$LOG_FILE"
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}
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send_alert() {
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local subject="$1"
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local message="$2"
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if command -v mail >/dev/null 2>&1; then
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echo "$message" | mail -s "$subject" "$ALERT_EMAIL"
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fi
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# Log the alert
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log_error "ALERT: $subject - $message"
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}
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check_system_resources() {
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log_info "Checking system resources..."
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# CPU usage
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CPU_USAGE=$(top -bn1 | grep "Cpu(s)" | awk '{print $2}' | awk -F'%' '{print $1}')
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if (( $(echo "$CPU_USAGE > $CPU_THRESHOLD" | bc -l) )); then
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send_alert "High CPU Usage" "CPU usage is ${CPU_USAGE}% (threshold: ${CPU_THRESHOLD}%)"
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fi
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# Memory usage
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MEMORY_USAGE=$(free | grep Mem | awk '{printf("%.1f", ($3/$2) * 100.0)}')
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if (( $(echo "$MEMORY_USAGE > $MEMORY_THRESHOLD" | bc -l) )); then
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send_alert "High Memory Usage" "Memory usage is ${MEMORY_USAGE}% (threshold: ${MEMORY_THRESHOLD}%)"
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fi
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# Disk usage
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DISK_USAGE=$(df {{ wordpress_path }} | tail -1 | awk '{print $5}' | sed 's/%//')
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if (( DISK_USAGE > DISK_THRESHOLD )); then
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send_alert "High Disk Usage" "Disk usage is ${DISK_USAGE}% (threshold: ${DISK_THRESHOLD}%)"
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fi
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# Load average
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LOAD_AVG=$(uptime | awk -F'load average:' '{print $2}' | awk '{print $1}' | sed 's/,//')
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if (( $(echo "$LOAD_AVG > $LOAD_THRESHOLD" | bc -l) )); then
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send_alert "High Load Average" "Load average is ${LOAD_AVG} (threshold: ${LOAD_THRESHOLD})"
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fi
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log_info "System resources: CPU: ${CPU_USAGE}%, Memory: ${MEMORY_USAGE}%, Disk: ${DISK_USAGE}%, Load: ${LOAD_AVG}"
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}
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check_services() {
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log_info "Checking services status..."
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# Check Nginx
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if ! systemctl is-active --quiet nginx; then
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send_alert "Nginx Service Down" "Nginx service is not running"
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fi
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# Check PHP-FPM
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if ! systemctl is-active --quiet php{{ php_version }}-fpm; then
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send_alert "PHP-FPM Service Down" "PHP-FPM service is not running"
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fi
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# Check MySQL/MariaDB
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if ! systemctl is-active --quiet mysql && ! systemctl is-active --quiet mariadb; then
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send_alert "Database Service Down" "MySQL/MariaDB service is not running"
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fi
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# Check Redis (if enabled)
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{% if enable_redis is defined and enable_redis %}
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if ! systemctl is-active --quiet redis-server; then
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log_warn "Redis service is not running"
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fi
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{% endif %}
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log_info "All critical services are running"
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}
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check_website_performance() {
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log_info "Checking website performance..."
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# Test response time
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RESPONSE_TIME=$(curl -o /dev/null -s -w '%{time_total}\n' http://localhost/ || echo "999")
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if (( $(echo "$RESPONSE_TIME > $RESPONSE_TIME_THRESHOLD" | bc -l) )); then
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send_alert "Slow Website Response" "Website response time is ${RESPONSE_TIME}s (threshold: ${RESPONSE_TIME_THRESHOLD}s)"
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fi
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# Test HTTP status
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HTTP_STATUS=$(curl -o /dev/null -s -w '%{http_code}\n' http://localhost/ || echo "000")
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if [[ "$HTTP_STATUS" != "200" ]]; then
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send_alert "Website HTTP Error" "Website returned HTTP status $HTTP_STATUS"
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fi
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log_info "Website performance: Response time: ${RESPONSE_TIME}s, HTTP status: $HTTP_STATUS"
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}
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check_database_performance() {
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log_info "Checking database performance..."
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# Check MySQL connections
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if command -v mysql >/dev/null 2>&1; then
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MYSQL_CONNECTIONS=$(mysql -e "SHOW STATUS LIKE 'Threads_connected';" | tail -1 | awk '{print $2}' 2>/dev/null || echo "0")
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MYSQL_MAX_CONNECTIONS=$(mysql -e "SHOW VARIABLES LIKE 'max_connections';" | tail -1 | awk '{print $2}' 2>/dev/null || echo "100")
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CONNECTION_PERCENTAGE=$(( (MYSQL_CONNECTIONS * 100) / MYSQL_MAX_CONNECTIONS ))
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if (( CONNECTION_PERCENTAGE > 80 )); then
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send_alert "High Database Connections" "MySQL connections: ${MYSQL_CONNECTIONS}/${MYSQL_MAX_CONNECTIONS} (${CONNECTION_PERCENTAGE}%)"
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fi
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log_info "Database connections: ${MYSQL_CONNECTIONS}/${MYSQL_MAX_CONNECTIONS} (${CONNECTION_PERCENTAGE}%)"
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fi
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}
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check_log_errors() {
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log_info "Checking for recent errors..."
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# Check Nginx error log
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NGINX_ERRORS=$(tail -n 100 /var/log/nginx/error.log | grep -c "$(date '+%Y/%m/%d')" || echo "0")
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if (( NGINX_ERRORS > 10 )); then
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log_warn "Found $NGINX_ERRORS Nginx errors today"
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fi
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# Check PHP error log
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if [[ -f /var/log/php{{ php_version }}-fpm.log ]]; then
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PHP_ERRORS=$(tail -n 100 /var/log/php{{ php_version }}-fpm.log | grep -c "$(date '+%d-%b-%Y')" || echo "0")
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if (( PHP_ERRORS > 10 )); then
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log_warn "Found $PHP_ERRORS PHP-FPM errors today"
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fi
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fi
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# Check WordPress debug log
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if [[ -f "$WORDPRESS_PATH/wp-content/debug.log" ]]; then
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WP_ERRORS=$(tail -n 100 "$WORDPRESS_PATH/wp-content/debug.log" | grep -c "$(date '+%d-%b-%Y')" || echo "0")
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if (( WP_ERRORS > 5 )); then
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log_warn "Found $WP_ERRORS WordPress errors today"
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fi
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fi
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}
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generate_performance_report() {
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log_info "Generating performance report..."
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cat > /tmp/wordpress-performance-report.txt <<EOF
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WordPress Performance Report - $(date)
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========================================
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System Resources:
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- CPU Usage: ${CPU_USAGE}%
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- Memory Usage: ${MEMORY_USAGE}%
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- Disk Usage: ${DISK_USAGE}%
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- Load Average: ${LOAD_AVG}
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Website Performance:
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- Response Time: ${RESPONSE_TIME}s
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- HTTP Status: ${HTTP_STATUS}
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Database:
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- Connections: ${MYSQL_CONNECTIONS}/${MYSQL_MAX_CONNECTIONS} (${CONNECTION_PERCENTAGE}%)
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Error Counts (Today):
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- Nginx Errors: ${NGINX_ERRORS}
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- PHP Errors: ${PHP_ERRORS}
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- WordPress Errors: ${WP_ERRORS}
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Services Status:
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- Nginx: $(systemctl is-active nginx)
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- PHP-FPM: $(systemctl is-active php{{ php_version }}-fpm)
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- MySQL/MariaDB: $(systemctl is-active mysql || systemctl is-active mariadb)
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{% if enable_redis is defined and enable_redis %}
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- Redis: $(systemctl is-active redis-server)
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{% endif %}
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Cache Status:
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{% if nginx_fastcgi_cache_enabled | default(true) %}
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- FastCGI Cache Size: $(du -sh /var/cache/nginx 2>/dev/null | awk '{print $1}' || echo "N/A")
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{% endif %}
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{% if enable_redis is defined and enable_redis %}
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- Redis Memory Usage: $(redis-cli info memory | grep used_memory_human | cut -d: -f2 | tr -d '\r' || echo "N/A")
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{% endif %}
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EOF
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# Optionally email the report
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if [[ "${SEND_DAILY_REPORT:-false}" == "true" ]]; then
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mail -s "WordPress Performance Report - $(date +%Y-%m-%d)" "$ALERT_EMAIL" < /tmp/wordpress-performance-report.txt
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fi
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}
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main() {
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log_info "Starting WordPress performance monitoring..."
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check_system_resources
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check_services
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check_website_performance
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check_database_performance
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check_log_errors
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generate_performance_report
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log_info "Performance monitoring completed"
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}
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# Run the monitoring
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main "$@"
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