add kubernaut ScaledObject, remove HPA

kubernaut/base/kustomization.yaml

@@ -6,8 +6,9 @@ resources:
   - namespace.yaml
   - configmap.yaml
   - deployment.yaml
-  - hpa.yaml
+  # - hpa.yaml
   - services.yaml
   - servicemonitor.yaml
+  - scaledobject.yaml
   - cronjob.yaml
   - ingress.yaml

kubernaut/base/scaledobject.yaml

@@ -0,0 +1,16 @@
+apiVersion: keda.sh/v1alpha1
+kind: ScaledObject
+metadata:
+   name: kubernaut-scaledobject
+spec:
+   scaleTargetRef:
+      name: kubernaut
+   minReplicaCount: 1
+   maxReplicaCount: 10
+   triggers:
+      - type: prometheus
+        metadata:
+          serverAddress: http://kube-prometheus-stack-prometheus.kube-prometheus-stack:9090
+          metricName: http_server_requests_total
+          threshold: '100'
+          query: sum(rate(http_server_requests_total[1m]))