{{- if .Values.autoscaling.enabled }}

{{- if not .Values.autoscaling.maxReplicas }}
  {{- fail "ERROR: maxReplicas is required on HPA" }}
{{- end }}

{{- if .Capabilities.APIVersions.Has "autoscaling/v2" }}
apiVersion: autoscaling/v2
{{- else if .Capabilities.APIVersions.Has "autoscaling/v2beta2" }}
apiVersion: autoscaling/v2beta2
{{- else if .Capabilities.APIVersions.Has "autoscaling/v2beta1" }}
apiVersion: autoscaling/v2beta1
{{- else }}
  {{- fail "ERROR: You must have at least autoscaling/v2beta1 to use HorizontalPodAutoscaler" }}
{{- end }}
kind: HorizontalPodAutoscaler
metadata:
  name: {{ template "traefik.fullname" . }}
  namespace: {{ template "traefik.namespace" . }}
  labels:
    {{- include "traefik.labels" . | nindent 4 }}
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: {{ template "traefik.fullname" . }}
{{- if .Values.autoscaling.minReplicas }}
  minReplicas: {{ .Values.autoscaling.minReplicas }}
{{- end }}
  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
{{- if .Values.autoscaling.metrics }}
  metrics:
{{ toYaml .Values.autoscaling.metrics | indent 4 }}
{{- end }}
{{- if .Values.autoscaling.behavior }}
  behavior:
{{ toYaml .Values.autoscaling.behavior | indent 4 }}
{{- end }}
{{- end }}