Improve metrics

services/alert_processor/app/main.py

@@ -16,6 +16,7 @@ from app.api import alerts, sse
 from shared.redis_utils import initialize_redis, close_redis
 from shared.monitoring.logging import setup_logging
 from shared.monitoring.metrics import MetricsCollector, add_metrics_middleware
+from shared.monitoring.system_metrics import SystemMetricsCollector
 
 # OpenTelemetry imports
 from opentelemetry import trace
@@ -82,9 +83,12 @@ async def lifespan(app: FastAPI):
         await consumer.start()
         logger.info("alert_processor_started")
 
-        # Start metrics server
-        metrics_collector.start_metrics_server(8080)
-        logger.info("Metrics server started on port 8080")
+        # Initialize system metrics collection
+        system_metrics = SystemMetricsCollector("alert-processor")
+        logger.info("System metrics collection started")
+
+        # Note: Metrics are exported via OpenTelemetry OTLP to SigNoz - no metrics server needed
+        logger.info("Metrics export configured via OpenTelemetry OTLP")
     except Exception as e:
         logger.error("alert_processor_startup_failed", error=str(e))
         raise
@@ -175,13 +179,8 @@ async def root():
     }
 
 
-@app.get("/metrics")
-async def metrics():
-    """Prometheus metrics endpoint"""
-    return Response(
-        content=metrics_collector.get_metrics(),
-        media_type="text/plain; version=0.0.4; charset=utf-8"
-    )
+# Note: Metrics are exported via OpenTelemetry OTLP to SigNoz
+# The /metrics endpoint is not needed as metrics are pushed automatically
 
 
 if __name__ == "__main__":