add metrics endpoint for csi

charts/internal/seed-controlplane/charts/stackit-blockstorage-csi-driver/templates/deployment-csi-driver-controller.yaml

@@ -52,6 +52,7 @@ spec:
         {{- end }}
         - --v=3
         - --provide-node-service=false
+        - --metrics-address=:{{ .Values.config.metricsPort }}
         {{- if .Values.csi.enableCompatibilityMode }}
         - --legacy-storage-mode=true
         {{- end }}
@@ -80,6 +81,9 @@ spec:
         - name: healthz
           containerPort: {{ .Values.healthzPort }}
           protocol: TCP
+        - containerPort: {{ .Values.config.metricsPort }}
+          name: metrics
+          protocol: TCP
         livenessProbe:
           httpGet:
             path: /healthz

charts/internal/seed-controlplane/charts/stackit-blockstorage-csi-driver/templates/service.yaml

@@ -0,0 +1,20 @@
+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+    networking.resources.gardener.cloud/from-all-scrape-targets-allowed-ports: '[{"port":{{ .Values.config.metricsPort }},"protocol":"TCP"}]'
+  labels:
+    app: {{ .Values.prefix }}-csi
+    role: controller
+  name: {{ .Values.prefix }}-csi-driver-controller
+  namespace: {{ .Release.Namespace }}
+spec:
+  ports:
+  - name: metrics
+    port: {{ .Values.config.metricsPort }}
+    targetPort: metrics
+    protocol: TCP
+  selector:
+    app: {{ .Values.prefix }}-csi
+    role: controller
+  type: ClusterIP

charts/internal/seed-controlplane/charts/stackit-blockstorage-csi-driver/values.yaml

@@ -1,4 +1,6 @@
 replicas: 1
+config:
+  metricsPort: 9090
 podAnnotations: {}
 kubernetesVersion: 1.30.0
 prefix: stackit-blockstorage