allow extensions to define cluster features

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

extensions/metrics-cluster-feature/resources/14-kube-state-metrics-deployment.yml.hb

@@ -0,0 +1,59 @@
+{{#if kubeStateMetrics.enabled}}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: kube-state-metrics
+  namespace: lens-metrics
+spec:
+  selector:
+    matchLabels:
+      name: kube-state-metrics
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        name: kube-state-metrics
+    spec:
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+              - matchExpressions:
+                - key: kubernetes.io/os
+                  operator: In
+                  values:
+                  - linux
+                - key: kubernetes.io/arch
+                  operator: In
+                  values:
+                  - amd64
+              - matchExpressions:
+                - key: beta.kubernetes.io/os
+                  operator: In
+                  values:
+                  - linux
+                - key: beta.kubernetes.io/arch
+                  operator: In
+                  values:
+                  - amd64
+      serviceAccountName: kube-state-metrics
+      containers:
+      - name: kube-state-metrics
+        image: quay.io/coreos/kube-state-metrics:v1.9.5
+        ports:
+        - name: metrics
+          containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /healthz
+            port: 8080
+          initialDelaySeconds: 5
+          timeoutSeconds: 5
+        resources:
+          requests:
+            cpu: 10m
+            memory: 150Mi
+          limits:
+            cpu: 200m
+            memory: 150Mi
+{{/if}}