metachart/hpa.yaml

{{- $name := .Chart.Name }}
{{- range $index, $val := .Values.items }}
{{- if and $val.autoscaling $val.autoscaling.enabled }}
apiVersion: autoscaling/v2beta1
kind: HorizontalPodAutoscaler
metadata:
  name: {{ print $val.name | default (print $name "-autoscaller-" $index) }}
  labels:
    app: {{ $name }}
    tier: {{ $val.name | default (print $name "-autoscaller") }}
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: {{ $val.name | default (print $name "-" $val.type "-" $index) }}
  minReplicas: {{ $val.autoscaling.minReplicas | default 1 }}
  maxReplicas: {{ $val.autoscaling.maxReplicas | default 10 }}
  metrics:
    {{- if $val.autoscaling.targetCPUUtilizationPercentage }}
    - type: Resource
      resource:
        name: cpu
        targetAverageUtilization: {{ $val.autoscaling.targetCPUUtilizationPercentage | default 50 }}
    {{- end }}
    {{- if $val.autoscaling.targetMemoryUtilizationPercentage }}
    - type: Resource
      resource:
        name: memory
        targetAverageUtilization: {{ $val.autoscaling.targetMemoryUtilizationPercentage | default 30}}
    {{- end }}
{{ print "---" }}
{{- end }}{{- end }}