# helm_charts_redis-master-statefulset.yaml
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ template "redis.fullname" . }}-master
  labels:
    app: {{ template "redis.name" . }}
    chart: {{ template "redis.chart" . }}
    release: {{ .Release.Name }}
    heritage: {{ .Release.Service }}
spec:
  selector:
    matchLabels:
      app: {{ template "redis.name" . }}
      release: {{ .Release.Name }}
      role: master
  serviceName: {{ template "redis.fullname" . }}-headless
  template:
    metadata:
      labels:
        app: {{ template "redis.name" . }}
        chart: {{ template "redis.chart" . }}
        release: {{ .Release.Name }}
        role: master
{{- if .Values.master.podLabels }}
{{ toYaml .Values.master.podLabels | indent 8 }}
{{- end }}
{{- if and .Values.metrics.enabled .Values.metrics.podLabels }}
{{ toYaml .Values.metrics.podLabels | indent 8 }}
{{- end }}
      annotations:
        checksum/health: {{ include (print $.Template.BasePath "/health-configmap.yaml") . | sha256sum }}
        checksum/configmap: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
        checksum/secret: {{ include (print $.Template.BasePath "/secret.yaml") . | sha256sum }}
      {{- if .Values.master.podAnnotations }}
{{ toYaml .Values.master.podAnnotations | indent 8 }}
      {{- end }}
      {{- if and .Values.metrics.enabled .Values.metrics.podAnnotations }}
{{ toYaml .Values.metrics.podAnnotations | indent 8 }}
      {{- end }}
    spec:
{{- include "redis.imagePullSecrets" . | indent 6 }}
      {{- if .Values.securityContext.enabled }}
      securityContext:
        fsGroup: {{ .Values.securityContext.fsGroup }}
        {{- if .Values.securityContext.sysctls }}
        sysctls:
{{ toYaml .Values.securityContext.sysctls | indent 8 }}
        {{- end }}
      {{- end }}
      serviceAccountName: "{{ template "redis.serviceAccountName" . }}"
      {{- if .Values.master.priorityClassName }}
      priorityClassName: "{{ .Values.master.priorityClassName }}"
      {{- end }}
      {{- with .Values.master.affinity }}
      affinity:
{{ tpl (toYaml .) $ | indent 8 }}
      {{- end }}
      {{- if .Values.master.nodeSelector }}
      nodeSelector:
{{ toYaml .Values.master.nodeSelector | indent 8 }}
      {{- end }}
      {{- if .Values.master.tolerations }}
      tolerations:
{{ toYaml .Values.master.tolerations | indent 8 }}
      {{- end }}
      {{- if .Values.master.schedulerName }}
      schedulerName: "{{ .Values.master.schedulerName }}"
      {{- end }}
      containers:
      - name: {{ template "redis.fullname" . }}
        image: "{{ template "redis.image" . }}"
        imagePullPolicy: {{ .Values.image.pullPolicy | quote }}
        {{- if .Values.securityContext.enabled }}
        securityContext:
          runAsUser: {{ .Values.securityContext.runAsUser }}
        {{- end }}
        command:
        - /bin/bash
        - -c
        - |
          {{- if (eq (.Values.securityContext.runAsUser | int) 0) }}
          useradd redis
          chown -R redis {{ .Values.master.persistence.path }}
          {{- end }}
          if [[ -n $REDIS_PASSWORD_FILE ]]; then
            password_aux=`cat ${REDIS_PASSWORD_FILE}`
            export REDIS_PASSWORD=$password_aux
          fi
          if [[ ! -f /opt/bitnami/redis/etc/master.conf ]];then
            cp /opt/bitnami/redis/mounted-etc/master.conf /opt/bitnami/redis/etc/master.conf
          fi
          if [[ ! -f /opt/bitnami/redis/etc/redis.conf ]];then
            cp /opt/bitnami/redis/mounted-etc/redis.conf /opt/bitnami/redis/etc/redis.conf
          fi
          ARGS=("--port" "${REDIS_PORT}")
          {{- if .Values.usePassword }}
          ARGS+=("--requirepass" "${REDIS_PASSWORD}")
          ARGS+=("--masterauth" "${REDIS_PASSWORD}")
          {{- else }}
          ARGS+=("--protected-mode" "no")
          {{- end }}
          ARGS+=("--include" "/opt/bitnami/redis/etc/redis.conf")
          ARGS+=("--include" "/opt/bitnami/redis/etc/master.conf")
          {{- if .Values.master.extraFlags }}
          {{- range .Values.master.extraFlags }}
          ARGS+=({{ . | quote }})
          {{- end }}
          {{- end }}
          {{- if .Values.master.command }}
          {{ .Values.master.command }} ${ARGS[@]}
          {{- else }}
          redis-server "${ARGS[@]}"
          {{- end }}
        env:
        - name: REDIS_REPLICATION_MODE
          value: master
        {{- if .Values.usePassword }}
        {{- if .Values.usePasswordFile }}
        - name: REDIS_PASSWORD_FILE
          value: "/opt/bitnami/redis/secrets/redis-password"
        {{- else }}
        - name: REDIS_PASSWORD
          valueFrom:
            secretKeyRef:
              name: {{ template "redis.secretName" . }}
              key: {{ template "redis.secretPasswordKey" . }}
        {{- end }}
        {{- else }}
        - name: ALLOW_EMPTY_PASSWORD
          value: "yes"
        {{- end }}
        - name: REDIS_PORT
          value: {{ .Values.redisPort | quote }}
        ports:
        - name: redis
          containerPort: {{ .Values.redisPort }}
        {{- if .Values.master.livenessProbe.enabled }}
        livenessProbe:
          initialDelaySeconds: {{ .Values.master.livenessProbe.initialDelaySeconds }}
          periodSeconds: {{ .Values.master.livenessProbe.periodSeconds }}
          timeoutSeconds: {{ .Values.master.livenessProbe.timeoutSeconds }}
          successThreshold: {{ .Values.master.livenessProbe.successThreshold }}
          failureThreshold: {{ .Values.master.livenessProbe.failureThreshold }}
          exec:
            command:
            - sh
            - -c
            - /health/ping_liveness_local.sh {{ .Values.master.livenessProbe.timeoutSeconds }}
        {{- end }}
        {{- if .Values.master.readinessProbe.enabled}}
        readinessProbe:
          initialDelaySeconds: {{ .Values.master.readinessProbe.initialDelaySeconds }}
          periodSeconds: {{ .Values.master.readinessProbe.periodSeconds }}
          timeoutSeconds: {{ .Values.master.readinessProbe.timeoutSeconds }}
          successThreshold: {{ .Values.master.readinessProbe.successThreshold }}
          failureThreshold: {{ .Values.master.readinessProbe.failureThreshold }}
          exec:
            command:
            - sh
            - -c
            - /health/ping_readiness_local.sh {{ .Values.master.livenessProbe.timeoutSeconds }}
        {{- end }}
        resources:
{{ toYaml .Values.master.resources | indent 10 }}
        volumeMounts:
        - name: health
          mountPath: /health
        {{- if .Values.usePasswordFile }}
        - name: redis-password
          mountPath: /opt/bitnami/redis/secrets/
        {{- end }}
        - name: redis-data
          mountPath: {{ .Values.master.persistence.path }}
          subPath: {{ .Values.master.persistence.subPath }}
        - name: config
          mountPath: /opt/bitnami/redis/mounted-etc
        - name: redis-tmp-conf
          mountPath: /opt/bitnami/redis/etc/
      {{- if and .Values.cluster.enabled .Values.sentinel.enabled }}
      - name: sentinel
        image: "{{ template "sentinel.image" . }}"
        imagePullPolicy: {{ .Values.sentinel.image.pullPolicy | quote }}
        {{- if .Values.securityContext.enabled }}
        securityContext:
          runAsUser: {{ .Values.securityContext.runAsUser }}
        {{- end }}
        command:
        - /bin/bash
        - -c
        - |
          if [[ -n $REDIS_PASSWORD_FILE ]]; then
            password_aux=`cat ${REDIS_PASSWORD_FILE}`
            export REDIS_PASSWORD=$password_aux
          fi
          if [[ ! -f /opt/bitnami/redis-sentinel/etc/sentinel.conf ]];then
            cp /opt/bitnami/redis-sentinel/mounted-etc/sentinel.conf /opt/bitnami/redis-sentinel/etc/sentinel.conf
            {{- if .Values.usePassword }}
            printf "\nsentinel auth-pass {{ .Values.sentinel.masterSet }} $REDIS_PASSWORD" >> /opt/bitnami/redis-sentinel/etc/sentinel.conf
            {{- if .Values.sentinel.usePassword }}
            printf "\nrequirepass $REDIS_PASSWORD" >> /opt/bitnami/redis-sentinel/etc/sentinel.conf
            {{- end }}
            {{- end }}
            {{- if .Values.sentinel.staticID }}
            printf "\nsentinel myid $(echo $HOSTNAME | openssl sha1 | awk '{ print $2 }')" >> /opt/bitnami/redis-sentinel/etc/sentinel.conf
            {{- end }}
          fi
          echo "Getting information about current running sentinels"
          # Get information from existing sentinels
          existing_sentinels=$(timeout -s 9 {{ .Values.sentinel.initialCheckTimeout }} redis-cli --raw -h {{ template "redis.fullname" . }} -a "$REDIS_PASSWORD" -p {{ .Values.sentinel.service.sentinelPort }} SENTINEL sentinels {{ .Values.sentinel.masterSet }})
          echo "$existing_sentinels" | awk -f /health/parse_sentinels.awk | tee -a  /opt/bitnami/redis-sentinel/etc/sentinel.conf

          redis-server /opt/bitnami/redis-sentinel/etc/sentinel.conf --sentinel
        env:
        {{- if .Values.usePassword }}
        {{- if .Values.usePasswordFile }}
        - name: REDIS_PASSWORD_FILE
          value: "/opt/bitnami/redis/secrets/redis-password"
        {{- else }}
        - name: REDIS_PASSWORD
          valueFrom:
            secretKeyRef:
              name: {{ template "redis.secretName" . }}
              key: {{ template "redis.secretPasswordKey" . }}
        {{- end }}
        {{- else }}
        - name: ALLOW_EMPTY_PASSWORD
          value: "yes"
        {{- end }}
        - name: REDIS_SENTINEL_PORT
          value: {{ .Values.sentinel.port | quote }}
        ports:
        - name: redis-sentinel
          containerPort: {{ .Values.sentinel.port }}
        {{- if .Values.sentinel.livenessProbe.enabled }}
        livenessProbe:
          initialDelaySeconds: {{ .Values.sentinel.livenessProbe.initialDelaySeconds }}
          periodSeconds: {{ .Values.sentinel.livenessProbe.periodSeconds }}
          timeoutSeconds: {{ .Values.sentinel.livenessProbe.timeoutSeconds }}
          successThreshold: {{ .Values.sentinel.livenessProbe.successThreshold }}
          failureThreshold: {{ .Values.sentinel.livenessProbe.failureThreshold }}
          exec:
            command:
            - sh
            - -c
            - /health/ping_sentinel.sh {{ .Values.sentinel.livenessProbe.timeoutSeconds }}
        {{- end }}
        {{- if .Values.sentinel.readinessProbe.enabled}}
        readinessProbe:
          initialDelaySeconds: {{ .Values.sentinel.readinessProbe.initialDelaySeconds }}
          periodSeconds: {{ .Values.sentinel.readinessProbe.periodSeconds }}
          timeoutSeconds: {{ .Values.sentinel.readinessProbe.timeoutSeconds }}
          successThreshold: {{ .Values.sentinel.readinessProbe.successThreshold }}
          failureThreshold: {{ .Values.sentinel.readinessProbe.failureThreshold }}
          exec:
            command:
            - sh
            - -c
            - /health/ping_sentinel.sh {{ .Values.sentinel.livenessProbe.timeoutSeconds }}
        {{- end }}
        resources:
{{ toYaml .Values.sentinel.resources | indent 10 }}
        volumeMounts:
        - name: health
          mountPath: /health
        {{- if .Values.usePasswordFile }}
        - name: redis-password
          mountPath: /opt/bitnami/redis/secrets/
        {{- end }}
        - name: redis-data
          mountPath: {{ .Values.master.persistence.path }}
          subPath: {{ .Values.master.persistence.subPath }}
        - name: config
          mountPath: /opt/bitnami/redis-sentinel/mounted-etc
        - name: sentinel-tmp-conf
          mountPath: /opt/bitnami/redis-sentinel/etc/
      {{- end }}
{{- if .Values.metrics.enabled }}
      - name: metrics
        image: {{ template "redis.metrics.image" . }}
        imagePullPolicy: {{ .Values.metrics.image.pullPolicy | quote }}
        command:
        - /bin/bash
        - -c
        - |
          if [[ -f '/secrets/redis-password' ]]; then
           export REDIS_PASSWORD=$(cat /secrets/redis-password)
          fi
          redis_exporter{{- range $key, $value := .Values.metrics.extraArgs }} --{{ $key }}={{ $value }}{{- end }}
        env:
        - name: REDIS_ALIAS
          value: {{ template "redis.fullname" . }}
        {{- if and .Values.usePassword (not .Values.usePasswordFile) }}
        - name: REDIS_PASSWORD
          valueFrom:
            secretKeyRef:
              name: {{ template "redis.secretName" . }}
              key: {{ template "redis.secretPasswordKey" . }}
        {{- end }}
        volumeMounts:
        {{- if .Values.usePasswordFile }}
        - name: redis-password
          mountPath: /secrets/
        {{- end }}
        ports:
        - name: metrics
          containerPort: 9121
        resources:
{{ toYaml .Values.metrics.resources | indent 10 }}
{{- end }}
      {{- $needsVolumePermissions := and .Values.volumePermissions.enabled (and ( and .Values.master.persistence.enabled (not .Values.persistence.existingClaim) ) .Values.securityContext.enabled) }}
      {{- if or $needsVolumePermissions .Values.sysctlImage.enabled }}
      initContainers:
      {{- if $needsVolumePermissions }}
      - name: volume-permissions
        image: "{{ template "redis.volumePermissions.image" . }}"
        imagePullPolicy: {{ .Values.volumePermissions.image.pullPolicy | quote }}
        command: ["/bin/chown", "-R", "{{ .Values.securityContext.runAsUser }}:{{ .Values.securityContext.fsGroup }}", "{{ .Values.master.persistence.path }}"]
        securityContext:
          runAsUser: 0
        resources:
{{ toYaml .Values.volumePermissions.resources | indent 10 }}
        volumeMounts:
        - name: redis-data
          mountPath: {{ .Values.master.persistence.path }}
          subPath: {{ .Values.master.persistence.subPath }}
      {{- end }}
      {{- if .Values.sysctlImage.enabled }}
      - name: init-sysctl
        image: {{ template "redis.sysctl.image" . }}
        imagePullPolicy: {{ default "" .Values.sysctlImage.pullPolicy | quote }}
        resources:
{{ toYaml .Values.sysctlImage.resources | indent 10 }}
        {{- if .Values.sysctlImage.mountHostSys }}
        volumeMounts:
        - name: host-sys
          mountPath: /host-sys
        {{- end }}
        command:
{{ toYaml .Values.sysctlImage.command | indent 10 }}
        securityContext:
          privileged: true
          runAsUser: 0
      {{- end }}
      {{- end }}
      volumes:
      - name: health
        configMap:
          name: {{ template "redis.fullname" . }}-health
          defaultMode: 0755
      {{- if .Values.usePasswordFile }}
      - name: redis-password
        secret:
          secretName: {{ template "redis.secretName" . }}
          items:
          - key: {{ template "redis.secretPasswordKey" . }}
            path: redis-password
      {{- end }}
      - name: config
        configMap:
          name: {{ template "redis.fullname" . }}
      {{- if not .Values.master.persistence.enabled }}
      - name: "redis-data"
        emptyDir: {}
      {{- else }}
      {{- if .Values.persistence.existingClaim }}
      - name: "redis-data"
        persistentVolumeClaim:
          claimName: {{ .Values.persistence.existingClaim }}
      {{- end }}
      {{- end }}
      {{- if .Values.sysctlImage.mountHostSys }}
      - name: host-sys
        hostPath:
          path: /sys
      {{- end }}
      - name: redis-tmp-conf
        emptyDir: {}
      {{- if and .Values.cluster.enabled .Values.sentinel.enabled }}
      - name: sentinel-tmp-conf
        emptyDir: {}
      {{- end }}
  {{- if and .Values.master.persistence.enabled (not .Values.persistence.existingClaim) }}
  volumeClaimTemplates:
    - metadata:
        name: redis-data
        labels:
          app: {{ template "redis.name" . }}
          release: {{ .Release.Name }}
          heritage: {{ .Release.Service }}
          component: master
      spec:
        accessModes:
        {{- range .Values.master.persistence.accessModes }}
          - {{ . | quote }}
        {{- end }}
        resources:
          requests:
            storage: {{ .Values.master.persistence.size | quote }}
        {{ include "redis.master.storageClass" . }}
        selector:
        {{- if .Values.master.persistence.matchLabels }}
          matchLabels:
{{ toYaml .Values.master.persistence.matchLabels | indent 12 }}
        {{- end -}}
        {{- if .Values.master.persistence.matchExpressions }}
          matchExpressions:
{{ toYaml .Values.master.persistence.matchExpressions | indent 12 }}
        {{- end -}}
  {{- end }}
  updateStrategy:
    type: {{ .Values.master.statefulset.updateStrategy }}
    {{- if .Values.master.statefulset.rollingUpdatePartition }}
    {{- if (eq "Recreate" .Values.master.statefulset.updateStrategy) }}
    rollingUpdate: null
    {{- else }}
    rollingUpdate:
      partition: {{ .Values.master.statefulset.rollingUpdatePartition }}
    {{- end }}
    {{- end }}