feat: add Grafana dashboard and ServiceMonitors (#378)

* feat: add dashboard and ServiceMonitors

* docs: allow users to research topics in depth

deploy/kubernetes/controller/service.yaml

@@ -4,7 +4,7 @@ metadata:
   name: hcloud-csi-controller-metrics
   namespace: kube-system
   labels:
-    app: hcloud-csi
+    app: hcloud-csi-controller
 spec:
   selector:
     app: hcloud-csi-controller

deploy/kubernetes/service-monitor/kustomization.yaml

@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+- service-monitor.yaml

deploy/kubernetes/service-monitor/service-monitor.yaml

@@ -0,0 +1,33 @@
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: hcloud-csi-controller
+  namespace: kube-system
+  labels:
+    release: YOUR_RELEASE
+spec:
+  endpoints:
+  - port: metrics
+    scheme: http
+  jobLabel: app
+  selector:
+    matchLabels:
+      app: hcloud-csi-controller
+
+---
+
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: hcloud-csi-node
+  namespace: kube-system
+  labels:
+    release: YOUR_RELEASE
+spec:
+  endpoints:
+  - port: metrics
+    scheme: http
+  jobLabel: app
+  selector:
+    matchLabels:
+      app: hcloud-csi