charts/coredns/templates/hpa.yaml

{{- if and (.Values.hpa.enabled) (not .Values.autoscaler.enabled) }}
---
{{- if .Capabilities.APIVersions.Has "autoscaling/v2" }}
apiVersion: autoscaling/v2
{{- else }}
apiVersion: autoscaling/v2beta2
{{- end }}
kind: HorizontalPodAutoscaler
metadata:
  name: {{ template "coredns.fullname" . }}
  namespace: {{ .Release.Namespace }}
  labels: {{- include "coredns.labels" . | nindent 4 }}
{{- if .Values.customLabels }}
{{ toYaml .Values.customLabels | indent 4 }}
{{- end }}
{{- with .Values.customAnnotations }}
  annotations:
{{- toYaml . | nindent 4 }}
{{- end }}
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: {{ default (include "coredns.fullname" .) .Values.deployment.name }}
  minReplicas: {{ .Values.hpa.minReplicas }}
  maxReplicas: {{ .Values.hpa.maxReplicas }}
  metrics:
{{ toYaml .Values.hpa.metrics | indent 4 }}
{{- if .Values.hpa.behavior }}
  behavior:
{{ toYaml .Values.hpa.behavior | indent 4 }}
{{- end }}
{{- end }}