[node operator] Initial commit

Signed-off-by: Malte Poll <mp@edgeless.systems>

operators/constellation-node-operator/config/prometheus/kustomization.yaml

@@ -0,0 +1,2 @@
+resources:
+- monitor.yaml

operators/constellation-node-operator/config/prometheus/monitor.yaml

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+
+# Prometheus Monitor Service (Metrics)
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  labels:
+    control-plane: controller-manager
+  name: controller-manager-metrics-monitor
+  namespace: system
+spec:
+  endpoints:
+    - path: /metrics
+      port: https
+      scheme: https
+      bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
+      tlsConfig:
+        insecureSkipVerify: true
+  selector:
+    matchLabels:
+      control-plane: controller-manager