{{/* vim: set filetype=mustache: */}}

{{- define "common.hpa.tpl" -}}
apiVersion: autoscaling/v2beta2
kind: HorizontalPodAutoscaler
{{ include "common.metadata" . }}
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: {{ include "common.fullname" . }}
  minReplicas: {{ .Values.autoscaling.minReplicas }}
  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
  metrics:
  {{- with .Values.autoscaling.cpuUtilizationPercentage }}
    - type: Resource
      resource:
        name: cpu
        target:
          type: Utilization
          averageUtilization: {{ . }}
  {{- end }}
  {{- with .Values.autoscaling.memoryUtilizationPercentage }}
    - type: Resource
      resource:
        name: memory
        target:
          type: Utilization
          averageUtilization: {{ . }}
  {{- end -}}
{{- end -}}

{{- define "common.hpa.if" -}}
{{- $top := first . -}}
{{- $autoscaling := $top.Values.autoscaling | default (dict) -}}
{{- if $autoscaling.enabled -}}
  {{- include "common.utils.merge" (append . "common.hpa.tpl") -}}
{{- end -}}
{{- end -}}

{{- define "common.hpa" -}}
{{- include "common.utils.flattenCall" (list "common.hpa.if" .) -}}
{{- end -}}