Merge branch 'feat/monitoring'.

Apps/Broker/src/controllers/MetricsController.ts

@@ -0,0 +1,19 @@
+import { RequestHandler } from 'express';
+import { HttpStatusCode } from '../../../Common/src/types/HTTPTypes';
+import logger from '../logger';
+
+const MetricsController: RequestHandler = async (req, res) => {
+    try {
+        logger.trace(`Metrics: NONE`);
+
+        return res.send(`# No metrics available.`);
+
+    } catch (err: any) {
+        logger.error(err);
+
+        // Unknown error
+        return res.sendStatus(HttpStatusCode.INTERNAL_SERVER_ERROR);
+    }
+}
+
+export default MetricsController;

Apps/Broker/src/routes/index.ts

@@ -5,6 +5,7 @@ import UnsubscribeController from '../controllers/UnsubscribeController';
 import PublishController from '../controllers/PublishController';
 import OrderController from '../controllers/OrderController';
 import ReadyController from '../controllers/ReadyController';
+import MetricsController from '../controllers/MetricsController';
 
 
 
@@ -21,6 +22,7 @@ router.use('/', express.static('public'));
 // Probes
 router.get('/health', HealthController);
 router.get('/ready', ReadyController);
+router.get('/metrics', MetricsController);
 
 // API
 router.put(`/subscribe`, SubscribeController);

Apps/Delivery/src/controllers/MetricsController.ts

@@ -0,0 +1,19 @@
+import { RequestHandler } from 'express';
+import { HttpStatusCode } from '../../../Common/src/types/HTTPTypes';
+import logger from '../logger';
+
+const MetricsController: RequestHandler = async (req, res) => {
+    try {
+        logger.trace(`Metrics: NONE`);
+
+        return res.send(`# No metrics available.`);
+
+    } catch (err: any) {
+        logger.error(err);
+
+        // Unknown error
+        return res.sendStatus(HttpStatusCode.INTERNAL_SERVER_ERROR);
+    }
+}
+
+export default MetricsController;

Apps/Delivery/src/routes/index.ts

@@ -2,6 +2,7 @@ import { Router } from 'express';
 import HealthController from '../controllers/HealthController';
 import ReadyController from '../controllers/ReadyController';
 import NotifyController from '../controllers/NotifyController';
+import MetricsController from '../controllers/MetricsController';
 
 
 
@@ -13,6 +14,7 @@ const router = Router();
 // Probes
 router.get('/health', HealthController);
 router.get('/ready', ReadyController);
+router.get('/metrics', MetricsController);
 
 // API
 router.post(`/notify`, NotifyController);

Apps/Grafana.Dockerfile

@@ -0,0 +1,8 @@
+# Use latest Grafana image
+FROM grafana/grafana
+
+# Copy configuration file over to image
+COPY ./Grafana/grafana.ini /etc/grafana/
+
+# Expose necessary port to talk with service
+EXPOSE 3000