Added more pictures of sample Grafana dashboard

docs/howtos/monitoring.md

@@ -10,7 +10,7 @@ nav_order: 1
 Thundernetes is able to export game server related metrics to a [Prometheus](https://prometheus.io/docs/introduction/overview/) server, and these can also be imported
 to a [Grafana](https://grafana.com/docs/grafana/latest/introduction/) server for easy and intuitive visualizations.
 
-[![Grafana Dasboard Example](../assets/images/grafana_dashboard.png)](../assets/images/grafana_dashboard.png)
+![Grafana Dasboard Example](../assets/images/grafana_dashboard_1.png)
 
 Prometheus uses a pull model to retrieve data, and needs apps to implement an endpoint that responds to its HTTP requests. For this, Thundernetes exposes the following endpoints:
 
@@ -92,3 +92,11 @@ There is a custom Grafana dashboard example that visualizes some of this data in
 | gameservers_crashed_total | Counter | controller-manager |
 | gameservers_deleted_total | Counter | controller-manager |
 | allocations_total | Counter | controller-manager |
+
+## More pictures
+
+![Grafana Dasboard Example 2](../assets/images/grafana_dashboard_2.png)
+
+![Grafana Dasboard Example 3](../assets/images/grafana_dashboard_3.png)
+
+![Grafana Dasboard Example 4](../assets/images/grafana_dashboard_4.png)

samples/grafana/readme.md → samples/grafana/README.md

@@ -1,5 +1,12 @@
 # Sample Grafana Dashboard
 
-[![Grafana Dasboard Example](../../docs/assets/images/grafana_dashboard.png)](../../docs/assets/images/grafana_dashboard.pnggrafana_dashboard.png)
-
 The `dashboard.json` file in this folder can be imported to grafana to provide a simple example of retrieving metrics from the Thundernetes Controller. It makes the assumption that the Prometheus data source is named `Prometheus`, so you may need to edit the json file before importing if your Grafana installation uses a different name.
+
+
+![Grafana Dasboard Example](../../docs/assets/images/grafana_dashboard_1.png)
+
+![Grafana Dasboard Example 2](../../docs/assets/images/grafana_dashboard_2.png)
+
+![Grafana Dasboard Example 3](../../docs/assets/images/grafana_dashboard_3.png)
+
+![Grafana Dasboard Example 4](../../docs/assets/images/grafana_dashboard_4.png)

samples/grafana/dashboard.json

@@ -271,6 +271,10 @@
       "pluginVersion": "8.4.5",
       "targets": [
         {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "P1809F7CD0C75ACF3"
+          },
           "exemplar": true,
           "expr": "sum(thundernetes_allocations_total)",
           "interval": "",
@@ -664,7 +668,7 @@
           "refId": "A"
         }
       ],
-      "title": "Active servers time series",
+      "title": "Standby servers time series",
       "type": "timeseries"
     },
     {
@@ -1519,13 +1523,13 @@
     "list": []
   },
   "time": {
-    "from": "now-3h",
+    "from": "now-1h",
     "to": "now"
   },
   "timepicker": {},
   "timezone": "",
   "title": "Thundernetes GameServer Demo",
   "uid": "T9KjuZOnz",
-  "version": 2,
+  "version": 3,
   "weekStart": ""
-}
+}