Add cilium bootstrap.

nix/kubernetes/bootstrap/cilium/cilium-envoy/service.yaml

@@ -0,0 +1,25 @@
+---
+# Source: cilium/templates/cilium-envoy/service.yaml
+apiVersion: v1
+kind: Service
+metadata:
+  name: cilium-envoy
+  namespace: kube-system
+  annotations:
+    prometheus.io/scrape: "true"
+    prometheus.io/port: "9964"
+  labels:
+    k8s-app: cilium-envoy
+    app.kubernetes.io/name: cilium-envoy
+    app.kubernetes.io/part-of: cilium
+    io.cilium/app: proxy
+spec:
+  clusterIP: None
+  type: ClusterIP
+  selector:
+    k8s-app: cilium-envoy
+  ports:
+  - name: envoy-metrics
+    port: 9964
+    protocol: TCP
+    targetPort: envoy-metrics