apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ template "redis-ha.fullname" . }}-server
  labels:
{{ include "labels.standard" . | indent 4 }}
spec:
  selector:
    matchLabels:
      release: {{ .Release.Name }}
      app: {{ template "redis-ha.name" . }}
  serviceName: {{ template "redis-ha.fullname" . }}
  replicas: {{ .Values.replicas }}
  podManagementPolicy: OrderedReady
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      annotations:
        checksum/init-config: {{ include (print $.Template.BasePath "/redis-ha-configmap.yaml") . | sha256sum }}
        checksum/probe-config: {{ include (print $.Template.BasePath "/redis-ha-healthchecks.yaml") . | sha256sum }}
      {{- if .Values.podAnnotations }}
{{ toYaml .Values.podAnnotations | indent 8 }}
      {{- end }}
      labels:
        release: {{ .Release.Name }}
        app: {{ template "redis-ha.name" . }}
    spec:
      {{- if .Values.nodeSelector }}
      nodeSelector:
{{ toYaml .Values.nodeSelector | indent 8 }}
      {{- end }}
      {{- if .Values.tolerations }}
      tolerations:
{{ toYaml .Values.tolerations | indent 8 }}
      {{- end }}
    {{- with .Values.affinity }}
      affinity:
{{ tpl . $ | indent 8 }}
    {{- end }}
      securityContext:
{{ toYaml .Values.securityContext | indent 8 }}
      initContainers:
      - name: config-init
        image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
        imagePullPolicy: {{ .Values.image.pullPolicy }}
        resources:
{{ toYaml .Values.init.resources | indent 10 }}
        command:
        - sh
        args:
        - /readonly-config/init.sh
{{- if .Values.auth }}
        env:
        - name: AUTH
          valueFrom:
            secretKeyRef:
            {{- if .Values.existingSecret }}
              name: {{ .Values.existingSecret }}
            {{- else }}
              name: {{ template "redis-ha.fullname" . }}
            {{- end }}
              key: auth
{{- end }}
        volumeMounts:
        - name: config
          mountPath: /readonly-config
          readOnly: true
        - name: data
          mountPath: /data
      containers:
      - name: redis
        image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
        imagePullPolicy: {{ .Values.image.pullPolicy }}
        command:
        - redis-server
        args:
        - /data/conf/redis.conf
{{- if .Values.auth }}
        env:
        - name: AUTH
          valueFrom:
            secretKeyRef:
            {{- if .Values.existingSecret }}
              name: {{ .Values.existingSecret }}
            {{- else }}
              name: {{ template "redis-ha.fullname" . }}
            {{- end }}
              key: auth
{{- end }}
        livenessProbe:
          exec:
            command: [ "sh", "/probes/readiness.sh", "{{ .Values.redis.port }}"]
          initialDelaySeconds: 15
          periodSeconds: 5
        readinessProbe:
          exec:
            command: ["sh", "/probes/readiness.sh", "{{ .Values.redis.port }}"]
          initialDelaySeconds: 15
          periodSeconds: 5
        resources:
{{ toYaml .Values.redis.resources | indent 10 }}
        ports:
        - name: redis
          containerPort: {{ .Values.redis.port }}
        volumeMounts:
        - mountPath: /data
          name: data
        - mountPath: /probes
          name: probes
      - name: sentinel
        image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
        imagePullPolicy: {{ .Values.image.pullPolicy }}
        command:
          - redis-sentinel
        args:
          - /data/conf/sentinel.conf
{{- if .Values.auth }}
        env:
        - name: AUTH
          valueFrom:
            secretKeyRef:
            {{- if .Values.existingSecret }}
              name: {{ .Values.existingSecret }}
            {{- else }}
              name: {{ template "redis-ha.fullname" . }}
            {{- end }}
              key: auth
{{- end }}
        livenessProbe:
          exec:
            command: [ "sh", "/probes/readiness.sh", "{{ .Values.sentinel.port }}"]
          initialDelaySeconds: 15
          periodSeconds: 5
        readinessProbe:
          exec:
            command: ["sh", "/probes/readiness.sh", "{{ .Values.sentinel.port }}"]
          initialDelaySeconds: 15
          periodSeconds: 5
        resources:
{{ toYaml .Values.sentinel.resources | indent 10 }}
        ports:
          - name: sentinel
            containerPort: {{ .Values.sentinel.port }}
        volumeMounts:
        - mountPath: /data
          name: data
        - mountPath: /probes
          name: probes
      volumes:
      - name: config
        configMap:
          name: {{ template "redis-ha.fullname" . }}-configmap
      - name: probes
        configMap:
          name: {{ template "redis-ha.fullname" . }}-probes
{{- if .Values.persistentVolume.enabled }}
  volumeClaimTemplates:
  - metadata:
      name: data
      annotations:
      {{- range $key, $value := .Values.persistentVolume.annotations }}
        {{ $key }}: {{ $value }}
      {{- end }}
    spec:
      accessModes:
      {{- range .Values.persistentVolume.accessModes }}
        - {{ . | quote }}
      {{- end }}
      resources:
        requests:
          storage: {{ .Values.persistentVolume.size | quote }}
    {{- if .Values.persistentVolume.storageClass }}
    {{- if (eq "-" .Values.persistentVolume.storageClass) }}
      storageClassName: ""
    {{- else }}
      storageClassName: "{{ .Values.persistentVolume.storageClass }}"
    {{- end }}
    {{- end }}
{{- else }}
      - name: data
        emptyDir: {}
{{- end }}