deploy/kafka-ui/templates/hpa.yaml

{{- if .Values.autoscaling.enabled }}
{{- $kubeCapabilityVersion := semver .Capabilities.KubeVersion.Version -}}
{{- $isHigher1p25 := ge (semver "1.25" | $kubeCapabilityVersion.Compare) 0 -}}
{{- if and ($.Capabilities.APIVersions.Has "autoscaling/v2") $isHigher1p25 -}}
apiVersion: autoscaling/v2
{{- else  }}
apiVersion: autoscaling/v2beta1
{{- end }}
kind: HorizontalPodAutoscaler
metadata:
  name: {{ include "kafka-ui.fullname" . }}
  namespace: {{ .Release.Namespace }}
  labels:
    {{- include "kafka-ui.labels" . | nindent 4 }}
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: {{ include "kafka-ui.fullname" . }}
  minReplicas: {{ .Values.autoscaling.minReplicas }}
  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
  metrics:
  {{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
    - type: Resource
      resource:
        name: cpu
  {{- if  $isHigher1p25 }}
        target:
         type: Utilization
         averageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
  {{- else  }}        
        targetAverageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
  {{- end }}      
  {{- end }}
  {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
    - type: Resource
      resource:
        name: memory
  {{- if  $isHigher1p25 }}     
        target:
          type: Utilization
          averageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
  {{- else  }}   
        targetAverageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
  {{- end }}
  {{- end }}
{{- end }}