{{- /*
These user-placeholder pods can be used to test cluster autoscaling in a
controlled fashion.

Example:
$ echo 'Simulating four users...'
$ kubectl scale sts/user-placeholder --replicas 4
*/}}
{{- if .Values.scheduling.userPlaceholder.enabled -}}
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ include "jupyterhub.user-placeholder.fullname" . }}
  labels:
    {{- include "jupyterhub.labels" . | nindent 4 }}
spec:
  podManagementPolicy: Parallel
  {{- if not (typeIs "<nil>" .Values.scheduling.userPlaceholder.revisionHistoryLimit) }}
  revisionHistoryLimit: {{ .Values.scheduling.userPlaceholder.revisionHistoryLimit }}
  {{- end }}
  replicas: {{ .Values.scheduling.userPlaceholder.replicas }}
  selector:
    matchLabels:
      {{- include "jupyterhub.matchLabels" . | nindent 6 }}
  serviceName: {{ include "jupyterhub.user-placeholder.fullname" . }}
  template:
    metadata:
      {{- with .Values.scheduling.userPlaceholder.annotations }}
      annotations:
        {{- . | toYaml | nindent 8 }}
      {{- end }}
      labels:
        {{- /* Changes here will cause the Deployment to restart the pods. */}}
        {{- include "jupyterhub.matchLabels" . | nindent 8 }}
        {{- with .Values.scheduling.userPlaceholder.labels }}
        {{- . | toYaml | nindent 8 }}
        {{- end }}
    spec:
      {{- if .Values.scheduling.podPriority.enabled }}
      priorityClassName: {{ include "jupyterhub.user-placeholder-priority.fullname" . }}
      {{- end }}
      {{- if .Values.scheduling.userScheduler.enabled }}
      schedulerName: {{ include "jupyterhub.user-scheduler.fullname" . }}
      {{- end }}
      {{- with .Values.singleuser.nodeSelector }}
      nodeSelector:
        {{- . | toYaml | nindent 8 }}
      {{- end }}
      {{- with concat .Values.scheduling.userPods.tolerations .Values.singleuser.extraTolerations }}
      tolerations:
        {{- . | toYaml | nindent 8 }}
      {{- end }}
      {{- if include "jupyterhub.userAffinity" . }}
      affinity:
        {{- include "jupyterhub.userAffinity" . | nindent 8 }}
      {{- end }}
      terminationGracePeriodSeconds: 0
      automountServiceAccountToken: false
      {{- with include "jupyterhub.imagePullSecrets" (dict "root" . "image" .Values.scheduling.userPlaceholder.image) }}
      imagePullSecrets: {{ . }}
      {{- end }}
      containers:
        - name: pause
          image: {{ .Values.scheduling.userPlaceholder.image.name }}:{{ .Values.scheduling.userPlaceholder.image.tag }}
          {{- if .Values.scheduling.userPlaceholder.resources }}
          resources:
            {{- .Values.scheduling.userPlaceholder.resources | toYaml | nindent 12 }}
          {{- else if (include "jupyterhub.singleuser.resources" .) }}
          resources:
            {{- include "jupyterhub.singleuser.resources" . | nindent 12 }}
          {{- end }}
          {{- with .Values.scheduling.userPlaceholder.image.pullPolicy }}
          imagePullPolicy: {{ . }}
          {{- end }}
          {{- with .Values.scheduling.userPlaceholder.containerSecurityContext }}
          securityContext:
            {{- . | toYaml | nindent 12 }}
          {{- end }}
{{- end }}