add grafana dashboard

helm/values.yaml

@@ -58,6 +58,18 @@ hull:
       otelResourceAttributes: app=econet-exporter
       otlpEndpoint: http://otel.otel.svc.cluster.local:4317 # Replace me
 
+      # Ship a ready-made Grafana dashboard as a ConfigMap for the Grafana
+      # sidecar to auto-import (kiwigrid/k8s-sidecar). Flip enabled to true;
+      # the dashboard uses the default Prometheus datasource and filters by
+      # device name. No datasource UID hard-coding required.
+      grafanaDashboard:
+        enabled: false
+        # Label/value the Grafana sidecar is configured to watch for.
+        label: grafana_dashboard
+        labelValue: "1"
+        # Optional Grafana folder to file the dashboard under (blank = General).
+        folder: ""
+
       serviceType: ClusterIP
       serviceLbIP: "" # Used if serviceTyps=LoadBalancer