{{ $smbconfchecksum := tpl (.Files.Get "conf/smb.conf") . | sha256sum -}}
{{ $userschecksum := include "userstocreate" . | sha256sum -}}
{{ $scriptchecksum := tpl (.Files.Get "scripts/k8s.sh") . | sha256sum -}}
{{ $fullName := include "samba4.fullname" . }}
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ $fullName }}
  labels:
    app.kubernetes.io/name: {{ include "samba4.name" . }}
    helm.sh/chart: {{ include "samba4.chart" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/managed-by: {{ .Release.Service }}
  annotations:
    checksum/smbconf: {{ $smbconfchecksum }}
    checksum/users: {{ $userschecksum }}
{{ if .Values.image.lacksK8sScript -}}
    checksum/script: {{ $scriptchecksum }}
{{- end }}
spec:
  replicas: {{ .Values.replicaCount }}
  selector:
    matchLabels:
      app.kubernetes.io/name: {{ include "samba4.name" . }}
      app.kubernetes.io/instance: {{ .Release.Name }}
  template:
    metadata:
      labels:
        app.kubernetes.io/name: {{ include "samba4.name" . }}
        app.kubernetes.io/instance: {{ .Release.Name }}
      annotations:
        checksum/smbconf: {{ $smbconfchecksum }}
        checksum/users: {{ $userschecksum }}
{{- if .Values.image.lacksK8sScript }}
        checksum/script: {{ $scriptchecksum }}
{{- end }}
    spec:      
      {{- with .Values.podSecurityContext }}
      securityContext:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      containers:
{{- if .Values.persistence.combineShares }}
        - name: overlaymagic
          image: busybox
          securityContext:
            privileged: true
          command:
          - /bin/sh
          - -c
          - --
          args:
          {{- range .Values.persistence.sharesToCombine }}
          - mkdir -p /combined/{{ .destName }};
            mkdir -p /data/overlay-{{ .destName }}-upper;
            mkdir -p /data/overlay-{{ .destName }}-work;
            mount -t overlay -o lowerdir=/extras/{{ join ":/extras/" .shares }},upperdir=/data/overlay-{{ .destName }}-upper,workdir=/data/overlay-{{ .destName }}-work overlay /combined/{{ .destName }};
          {{- end }}
            touch /combined/overlays-mounted; sleep infinity;
          lifecycle:
            preStop:
              exec:
                command:
                - /bin/sh
                - -c
                - {{ range  .Values.persistence.sharesToCombine }}umount /combined/{{ .destName }}; {{- end }}
          volumeMounts:
          - mountPath: /data
            name: data
  {{- range .Values.persistence.extraPVCShares }}
          - mountPath: /extras/{{ .name }}
            name: {{ .name }}
  {{- end }}
          - mountPath: /combined
            mountPropagation: Bidirectional
            name: combined
{{- end }}
        - name: {{ .Chart.Name }}
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
          command:
          - /bin/sh
          - -c
          - {{ if .Values.persistence.combineShares }}until [ -f /combined/overlays-mounted ]; do sleep 5; done; {{ end }}cd /scripts ; sh ./k8s.sh
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          ports:
            - name: cifs
              containerPort: 445
              protocol: TCP
{{- if .Values.livenessProbe.enabled | default true }}
          livenessProbe:
            exec:
              command:
                - /bin/sh
                - -c
                - {{ .Values.livenessProbe.command | default "echo | smbclient -L 127.0.0.1" | quote }}
{{- end }}
          readinessProbe:
            tcpSocket:
              port: cifs
          resources:
            {{- toYaml .Values.resources | nindent 12 }}
          volumeMounts:
{{- if .Values.image.lacksK8sScript }}
          - mountPath: /configmaps/scripts
            name: scripts
{{- end }}
          - mountPath: /secrets
            name: users
          - mountPath: /etc/samba/smb.conf
            name: smbconf
            subPath: smb.conf
          - mountPath: /data
            name: data
  {{- range .Values.persistence.extraPVCShares }}
          - mountPath: /extras/{{ .name }}
            name: {{ .name }}
  {{- end }}
          - mountPath: /privatepersist
            name: private
          - mountPath: /combined
            name: combined
      {{- with .Values.nodeSelector }}
      nodeSelector:
        {{- toYaml . | nindent 8 }}
      {{- end }}
    {{- with .Values.affinity }}
      affinity:
        {{- toYaml . | nindent 8 }}
    {{- end }}
    {{- with .Values.tolerations }}
      tolerations:
        {{- toYaml . | nindent 8 }}
    {{- end }}
      volumes:
{{ if .Values.image.lacksK8sScript -}}
      - name: scripts
        configMap:
          name: {{ $fullName }}-packagescripts
          defaultMode: 0555
          items:
          - key: k8s.sh
            path: k8s.sh
{{- end }}
      - name: smbconf
        configMap:
          name: {{ $fullName }}-smbconf
          defaultMode: 0644
          items:
          - key: smb.conf
            path: smb.conf
      - name: users
        secret:
          secretName: {{ $fullName }}-users
          defaultMode: 0600
      - name: data
{{ if .Values.persistence.enabled -}}
{{ if eq .Values.persistence.type "pvc" }}
        persistentVolumeClaim:
          claimName: {{ if .Values.persistence.pvc.existingClaim }}{{ .Values.persistence.pvc.existingClaim }}{{- else }}{{ template "samba4.fullname" . }}-data{{- end }}
{{ else if eq .Values.persistence.type "flexVolume" }}
#{{ required "A valid flexVolume block is required when using flexVolume persistence!" .Values.persistence.flexVolume }}
        flexVolume:
{{ .Values.persistence.flexVolume | toYaml | indent 10 }}
{{- else if eq .Values.persistence.type "hostPath" }}
#{{ required "A valid hostPath.path is required when using hostPath persistence!" .Values.persistence.hostPath.path }}
        hostPath:
          path: {{ .Values.persistence.hostPath.path }}
{{ if .Values.persistence.hostPath.type -}}
          type: {{ .Values.persistence.hostPath.type }}
{{ end -}}
{{ else if eq .Values.persistence.type "other" -}}
#{{ required "A valid other block is required when using flexVolume persistence!" .Values.persistence.other }}
{{ .Values.persistence.other | toYaml | indent 8 }}
{{ else -}}
{{ fail "if persistence is enabled, persistence.type must be one of 'pvc','flexVolume','hostPath' or 'other'!" }}
{{ end -}}
{{ else }}
        emptyDir: {}
{{ end }}
      - name: private
{{ if .Values.privatePersistence.enabled -}}
{{-     $p := .Values.persistence -}}
{{-     $pp := .Values.privatePersistence -}}
{{- if eq ($pp.type | default $p.type) "pvc" }}
        persistentVolumeClaim:
          claimName: {{ if $pp.pvc.existingClaim }}{{ $pp.pvc.existingClaim }}{{- else }}{{ template "samba4.fullname" . }}-private{{- end }}
{{ else if eq ($pp.type | default $p.type) "flexVolume" }}
#{{ required "A valid flexVolume block is required when using hostPath persistence!" $pp.flexVolume }}
        flexVolume:
{{ $pp.flexVolume | toYaml | indent 10 }}
{{ else if eq ($pp.type | default $p.type) "hostPath" }}
#{{ required "A valid flexVolume block is required when using flexVolume persistence!" .Values.privatePersistence.flexVolume }}
        hostPath:
          path: {{ if .Values.privatePersistence.hostPath.path }}{{ .Values.privatePersistence.hostPath.path }}{{ else }}{{ .Values.persistence.hostPath.path }}/.smbprivate/{{ end }}
{{ if .Values.privatePersistence.hostPath.type -}}
          type: {{ $pp.hostPath.type | $p.hostPath.type | default "Directory" | quote }}
{{ end -}}
{{ else if eq ($pp.type | default $p.type) "other" -}}
#{{ required "A valid other block is required when using flexVolume persistence!" .Values.privatePersistence.other }}
{{ $pp.other | toYaml | indent 8 }}
{{ else -}}
{{ fail "if privatePersistence is enabled, privatePersistence.type must be one of 'pvc','flexVolume','hostPath' or 'other'!" }}
{{ end -}}
{{ else }}
        emptyDir: {}
{{ end -}}
{{ if .Values.persistence.enabled }}
  {{- range .Values.persistence.extraPVCShares }}
      - name: {{ .name }}
        persistentVolumeClaim:
          claimName: {{ $fullName }}-{{ .name }}
 {{- end }}
{{- end }}
      - name: combined
        emptyDir: {}