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

{{- define "common.pdb.tpl" -}}
apiVersion: policy/v1beta1
kind: PodDisruptionBudget
{{ include "common.metadata" . }}
spec:
  selector:
    matchLabels:
      {{- include "common.selectorLabels" . | nindent 6 }}
  {{- with .Values.podDisruptionBudget }}
  {{- if not (or (empty .minAvailable) (empty .maxUnavailable)) -}}
    {{- fail "podDisruptionBudget.minAvailable and podDisruptionBudget.maxUnavailable can not be set together" }}
  {{- end -}}
  {{- with .minAvailable }}
  minAvailable: {{ . }}
  {{- end }}
  {{- with .maxUnavailable }}
  maxUnavailable: {{ . }}
  {{- end }}
  {{- end }}
{{- end -}}

{{- define "common.pdb.if" -}}
{{- $top := first . -}}
{{- $autoscaling := $top.Values.autoscaling | default (dict) -}}
{{- if or (and $autoscaling.enabled (gt ($autoscaling.minReplicas | int) 1)) (gt ($top.Values.replicaCount | int) 1) }}
  {{- include "common.utils.merge" (append . "common.pdb.tpl") -}}
{{- end -}}
{{- end -}}

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