chart/templates/redis/redis-statefulset.yaml

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################################
## Airflow Redis StatefulSet
#################################
{{- if and .Values.redis.enabled (or (contains "CeleryExecutor" .Values.executor) (contains "CeleryKubernetesExecutor" .Values.executor)) }}
{{- $nodeSelector := or .Values.redis.nodeSelector .Values.nodeSelector }}
{{- $affinity := or .Values.redis.affinity .Values.affinity }}
{{- $tolerations := or .Values.redis.tolerations .Values.tolerations }}
{{- $topologySpreadConstraints := or .Values.redis.topologySpreadConstraints .Values.topologySpreadConstraints }}
{{- $securityContext := include "localPodSecurityContext" .Values.redis }}
{{- $containerSecurityContext := include "externalContainerSecurityContext" .Values.redis }}
{{- $containerLifecycleHooks := .Values.redis.containerLifecycleHooks }}
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ include "airflow.fullname" . }}-redis
  labels:
    tier: airflow
    component: redis
    release: {{ .Release.Name }}
    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
    heritage: {{ .Release.Service }}
    {{- with .Values.labels }}
      {{- toYaml . | nindent 4 }}
    {{- end }}
  {{- if .Values.redis.annotations }}
  annotations: {{- toYaml .Values.redis.annotations | nindent 4 }}
  {{- end }}
spec:
  serviceName: {{ include "airflow.fullname" . }}-redis
  selector:
    matchLabels:
      tier: airflow
      component: redis
      release: {{ .Release.Name }}
  template:
    metadata:
      labels:
        tier: airflow
        component: redis
        release: {{ .Release.Name }}
        {{- with .Values.labels }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
      {{- if or .Values.redis.safeToEvict .Values.redis.podAnnotations }}
      annotations:
        {{- if .Values.redis.podAnnotations }}
          {{- toYaml .Values.redis.podAnnotations | nindent 8 }}
        {{- end }}
        {{- if .Values.redis.safeToEvict }}
        cluster-autoscaler.kubernetes.io/safe-to-evict: "true"
        {{- end }}
      {{- end }}
    spec:
      {{- if .Values.redis.priorityClassName }}
      priorityClassName: {{ .Values.redis.priorityClassName }}
      {{- end }}
      nodeSelector: {{- toYaml $nodeSelector | nindent 8 }}
      affinity: {{- toYaml $affinity | nindent 8 }}
      tolerations: {{- toYaml $tolerations | nindent 8 }}
      topologySpreadConstraints: {{- toYaml $topologySpreadConstraints | nindent 8 }}
      terminationGracePeriodSeconds: {{ .Values.redis.terminationGracePeriodSeconds }}
      serviceAccountName: {{ include "redis.serviceAccountName" . }}
      {{- if .Values.schedulerName }}
      schedulerName: {{ .Values.schedulerName }}
      {{- end }}
      {{- if or .Values.registry.secretName .Values.registry.connection }}
      imagePullSecrets:
        - name: {{ template "registry_secret" . }}
      {{- end }}
      securityContext: {{ $securityContext | nindent 8 }}
      containers:
        - name: redis
          image: {{ template "redis_image" . }}
          imagePullPolicy: {{ .Values.images.redis.pullPolicy }}
          securityContext: {{ $containerSecurityContext | nindent 12 }}
          {{- if $containerLifecycleHooks }}
          lifecycle: {{- tpl (toYaml $containerLifecycleHooks) . | nindent 12 }}
          {{- end }}
          command: ["/bin/sh"]
          resources: {{- toYaml .Values.redis.resources | nindent 12 }}
          args: ["-c", "redis-server --requirepass ${REDIS_PASSWORD}"]
          ports:
            - name: redis-db
              containerPort: {{ .Values.ports.redisDB }}
          volumeMounts:
            - name: redis-db
              mountPath: /data
          env:
            - name: REDIS_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ template "redis_password_secret" . }}
                  key: password
  {{- if not .Values.redis.persistence.enabled }}
      volumes:
        - name: redis-db
          emptyDir: {{- toYaml (default (dict) .Values.redis.emptyDirConfig) | nindent 12 }}
  {{- else if .Values.redis.persistence.existingClaim }}
      volumes:
        - name: redis-db
          persistentVolumeClaim:
            claimName: {{ .Values.redis.persistence.existingClaim }}
  {{- else }}
  volumeClaimTemplates:
    - apiVersion: v1
      kind: PersistentVolumeClaim
      metadata:
        name: redis-db
        {{- if .Values.redis.persistence.annotations }}
        annotations: {{- toYaml .Values.redis.persistence.annotations | nindent 10 }}
        {{- end }}
      spec:
        {{- if .Values.redis.persistence.storageClassName }}
        storageClassName: {{ tpl .Values.redis.persistence.storageClassName . | quote }}
        {{- end }}
        accessModes: ["ReadWriteOnce"]
        resources:
          requests:
            storage: {{ .Values.redis.persistence.size }}
  {{- end }}
{{- end }}