fix(helm): use Capabilities to determine correct HorizontalPodAutoscaler api version

Author: starlightromero

deploy/cert-manager-sync/templates/hpa.yaml

@@ -1,5 +1,11 @@
 {{- if .Values.autoscaling.enabled }}
+{{- if .Capabilities.APIVersions.Has "autoscaling/v2" }}
+apiVersion: autoscaling/v2
+{{- else if .Capabilities.APIVersions.Has "autoscaling/v2beta2" }}
+apiVersion: autoscaling/v2beta2
+{{- else }}
 apiVersion: autoscaling/v2beta1
+{{- end }}
 kind: HorizontalPodAutoscaler
 metadata:
   name: {{ include "cert-manager-sync.fullname" . }}
@@ -17,12 +23,24 @@ spec:
     - type: Resource
       resource:
         name: cpu
+        {{- if or (.Capabilities.APIVersions.Has "autoscaling/v2") (.Capabilities.APIVersions.Has "autoscaling/v2beta2") }}
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+        {{- else }}
         targetAverageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+        {{- end }}
     {{- end }}
     {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
     - type: Resource
       resource:
         name: memory
+        {{- if or (.Capabilities.APIVersions.Has "autoscaling/v2") (.Capabilities.APIVersions.Has "autoscaling/v2beta2") }}
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
+        {{- else }}
         targetAverageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
+        {{- end }}
     {{- end }}
 {{- end }}