第一次提交

app/api/monitoring.py

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+"""
+系统监控和健康检查API
+提供系统状态、性能指标和健康检查功能
+"""
+from flask import jsonify, current_app
+from datetime import datetime, timedelta
+import psutil
+import time
+from app import db
+from app.models import License, Product, Order, Ticket, Device
+from . import api_bp
+
+
+@api_bp.route('/health', methods=['GET'])
+def health_check():
+    """
+    健康检查端点
+    返回系统的基本健康状态
+    """
+    try:
+        # 检查数据库连接
+        db.session.execute('SELECT 1')
+
+        health_status = {
+            'status': 'healthy',
+            'timestamp': datetime.utcnow().isoformat(),
+            'version': current_app.config.get('API_VERSION', 'v1'),
+            'environment': 'production' if not current_app.debug else 'development'
+        }
+
+        return jsonify({
+            'success': True,
+            'data': health_status
+        }), 200
+
+    except Exception as e:
+        current_app.logger.error(f"健康检查失败: {str(e)}")
+        return jsonify({
+            'success': False,
+            'status': 'unhealthy',
+            'error': str(e),
+            'timestamp': datetime.utcnow().isoformat()
+        }), 503
+
+
+@api_bp.route('/metrics', methods=['GET'])
+def system_metrics():
+    """
+    系统性能指标端点
+    返回系统的性能指标（Prometheus格式）
+    """
+    try:
+        # CPU使用率
+        cpu_percent = psutil.cpu_percent(interval=1)
+
+        # 内存使用情况
+        memory = psutil.virtual_memory()
+
+        # 磁盘使用情况
+        disk = psutil.disk_usage('/')
+
+        # 数据库统计
+        stats = get_database_stats()
+
+        metrics = {
+            'system': {
+                'cpu_usage_percent': cpu_percent,
+                'memory': {
+                    'total': memory.total,
+                    'available': memory.available,
+                    'used': memory.used,
+                    'percent': memory.percent
+                },
+                'disk': {
+                    'total': disk.total,
+                    'used': disk.used,
+                    'free': disk.free,
+                    'percent': (disk.used / disk.total) * 100
+                }
+            },
+            'database': stats,
+            'timestamp': datetime.utcnow().isoformat()
+        }
+
+        return jsonify({
+            'success': True,
+            'data': metrics
+        }), 200
+
+    except Exception as e:
+        current_app.logger.error(f"获取系统指标失败: {str(e)}")
+        return jsonify({
+            'success': False,
+            'error': str(e),
+            'timestamp': datetime.utcnow().isoformat()
+        }), 500
+
+
+def get_database_stats():
+    """获取数据库统计信息"""
+    try:
+        # 卡密统计
+        total_licenses = License.query.count()
+        active_licenses = License.query.filter_by(status=1).count()
+        expired_licenses = License.query.filter_by(status=2).count()
+
+        # 产品统计
+        total_products = Product.query.filter_by(status=1).count()
+
+        # 订单统计
+        total_orders = Order.query.count()
+        paid_orders = Order.query.filter_by(status=1).count()
+        pending_orders = Order.query.filter_by(status=0).count()
+
+        # 工单统计
+        total_tickets = Ticket.query.count()
+        open_tickets = Ticket.query.filter_by(status__in=[0, 1]).count()
+
+        # 设备统计
+        total_devices = Device.query.filter_by(status=1).count()
+
+        # 最近24小时的订单
+        yesterday = datetime.utcnow() - timedelta(days=1)
+        recent_orders = Order.query.filter(Order.create_time >= yesterday).count()
+
+        return {
+            'licenses': {
+                'total': total_licenses,
+                'active': active_licenses,
+                'expired': expired_licenses,
+                'inactive': total_licenses - active_licenses - expired_licenses
+            },
+            'products': {
+                'total': total_products
+            },
+            'orders': {
+                'total': total_orders,
+                'paid': paid_orders,
+                'pending': pending_orders,
+                'recent_24h': recent_orders
+            },
+            'tickets': {
+                'total': total_tickets,
+                'open': open_tickets
+            },
+            'devices': {
+                'total': total_devices
+            }
+        }
+
+    except Exception as e:
+        current_app.logger.error(f"获取数据库统计失败: {str(e)}")
+        return {}
+
+
+@api_bp.route('/ping', methods=['GET'])
+def ping():
+    """
+    简单的ping端点
+    用于快速检查服务是否可用
+    """
+    return jsonify({
+        'success': True,
+        'message': 'pong',
+        'timestamp': datetime.utcnow().isoformat()
+    }), 200