Initial commit - production deployment

services/alert_processor/app/main.py

@@ -0,0 +1,100 @@
+"""
+Alert Processor Service v2.0
+
+Main FastAPI application with RabbitMQ consumer lifecycle management.
+"""
+
+import structlog
+
+from app.core.config import settings
+from app.consumer.event_consumer import EventConsumer
+from app.api import alerts, sse
+from shared.redis_utils import initialize_redis, close_redis
+from shared.service_base import StandardFastAPIService
+
+# Initialize logger
+logger = structlog.get_logger()
+
+# Global consumer instance
+consumer: EventConsumer = None
+
+
+class AlertProcessorService(StandardFastAPIService):
+    """Alert Processor Service with standardized monitoring setup and RabbitMQ consumer"""
+
+    async def on_startup(self, app):
+        """Custom startup logic for Alert Processor"""
+        global consumer
+
+        # Initialize Redis connection
+        await initialize_redis(
+            settings.REDIS_URL,
+            db=settings.REDIS_DB,
+            max_connections=settings.REDIS_MAX_CONNECTIONS
+        )
+        logger.info("redis_initialized")
+
+        # Start RabbitMQ consumer
+        consumer = EventConsumer()
+        await consumer.start()
+        logger.info("rabbitmq_consumer_started")
+
+        await super().on_startup(app)
+
+    async def on_shutdown(self, app):
+        """Custom shutdown logic for Alert Processor"""
+        global consumer
+
+        await super().on_shutdown(app)
+
+        # Stop RabbitMQ consumer
+        if consumer:
+            await consumer.stop()
+            logger.info("rabbitmq_consumer_stopped")
+
+        # Close Redis
+        await close_redis()
+        logger.info("redis_closed")
+
+
+# Create service instance
+service = AlertProcessorService(
+    service_name="alert-processor",
+    app_name="Alert Processor Service",
+    description="Event processing, enrichment, and alert management system",
+    version=settings.VERSION,
+    log_level=getattr(settings, 'LOG_LEVEL', 'INFO'),
+    cors_origins=["*"],  # Configure appropriately for production
+    api_prefix="/api/v1",
+    enable_metrics=True,
+    enable_health_checks=True,
+    enable_tracing=True,
+    enable_cors=True
+)
+
+# Create FastAPI app
+app = service.create_app(debug=settings.DEBUG)
+
+# Add service-specific routers
+app.include_router(
+    alerts.router,
+    prefix="/api/v1/tenants/{tenant_id}",
+    tags=["alerts"]
+)
+
+app.include_router(
+    sse.router,
+    prefix="/api/v1",
+    tags=["sse"]
+)
+
+
+if __name__ == "__main__":
+    import uvicorn
+
+    uvicorn.run(
+        "app.main:app",
+        host="0.0.0.0",
+        port=8000,
+        reload=settings.DEBUG
+    )