charts/bitnami/memcached/templates/statefulset.yaml

{{- if eq .Values.architecture "high-availability" }}
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ template "memcached.fullname" . }}
  labels: {{- include "memcached.labels" . | nindent 4 }}
spec:
  selector:
    matchLabels: {{- include "memcached.matchLabels" . | nindent 6 }}
  replicas: {{ .Values.replicaCount }}
  serviceName: {{ template "memcached.fullname" . }}
  template:
    metadata:
      labels: {{- include "memcached.labels" . | nindent 8 }}
      {{- if or .Values.podAnnotations (and .Values.metrics.enabled .Values.metrics.podAnnotations) }}
      annotations:
        {{- if .Values.podAnnotations }}
        {{- include "memcached.tplValue" (dict "value" .Values.podAnnotations "context" $) | nindent 8 }}
        {{- end }}
        {{- if and .Values.metrics.enabled .Values.metrics.podAnnotations }}
        {{- include "memcached.tplValue" (dict "value" .Values.metrics.podAnnotations "context" $) | nindent 8 }}
        {{- end }}
      {{- end }}
    spec:
{{- include "memcached.imagePullSecrets" . | indent 6 }}
      {{- if .Values.affinity }}
      affinity: {{- include "memcached.tplValue" (dict "value" .Values.affinity "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.nodeSelector }}
      nodeSelector: {{- include "memcached.tplValue" (dict "value" .Values.nodeSelector "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.tolerations }}
      tolerations: {{- include "memcached.tplValue" (dict "value" .Values.tolerations "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.securityContext.enabled }}
      securityContext:
        fsGroup: {{ .Values.securityContext.fsGroup }}
        runAsUser: {{ .Values.securityContext.runAsUser }}
      {{- end }}
      containers:
        - name: memcached
          {{- if .Values.persistence.enabled }}
          lifecycle:
            preStop:
              exec:
                command: ["/bin/sh", "-c", "/usr/bin/pkill -10 memcached ; sleep 60s"]
          {{- end }}
          image: {{ template "memcached.image" . }}
          imagePullPolicy: {{ .Values.image.pullPolicy | quote }}
          args: {{- toYaml .Values.arguments | nindent 12 }}
          {{- if .Values.persistence.enabled }}
            - -e/cache-state/memory_file
          {{- end }}
          env:
            - name: MEMCACHED_USERNAME
              value: {{ default "" .Values.memcachedUsername | quote }}
            - name: MEMCACHED_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ template "memcached.fullname" . }}
                  key: memcached-password
            {{- if .Values.extraEnv }}
            {{- toYaml .Values.extraEnv | nindent 12 }}
            {{- end }}
          ports:
            - name: memcache
              containerPort: 11211
          livenessProbe:
            tcpSocket:
              port: memcache
            initialDelaySeconds: 30
            timeoutSeconds: 5
            failureThreshold: 6
          readinessProbe:
            tcpSocket:
              port: memcache
            initialDelaySeconds: 5
            timeoutSeconds: 3
            periodSeconds: 5
          {{- if .Values.resources }}
          resources: {{- toYaml .Values.resources | nindent 12 }}
          {{- end }}
          {{- if .Values.securityContext.enabled }}
          securityContext:
            readOnlyRootFilesystem: {{ .Values.securityContext.readOnlyRootFilesystem }}
          {{- end }}
          {{- if .Values.persistence.enabled }}
          volumeMounts:
            - name: data
              mountPath: /cache-state
            - name: tmp
              mountPath: /tmp
          {{- end }}
        {{- if .Values.metrics.enabled }}
        - name: metrics
          image: {{ template "memcached.metrics.image" . }}
          imagePullPolicy: {{ .Values.metrics.image.pullPolicy | quote }}
          ports:
            - name: metrics
              containerPort: 9150
          livenessProbe:
            httpGet:
              path: /metrics
              port: metrics
            initialDelaySeconds: 15
            timeoutSeconds: 5
          readinessProbe:
            httpGet:
              path: /metrics
              port: metrics
            initialDelaySeconds: 5
            timeoutSeconds: 1
          {{- if .Values.metrics.resources }}
          resources: {{- toYaml .Values.metrics.resources | nindent 12 }}
          {{- end }}
        {{- end }}
      volumes:
        - name: tmp
          emptyDir: {}
{{- if .Values.persistence.enabled }}
  volumeClaimTemplates:
    - metadata:
        name: data
      {{- with .Values.persistence.annotations }}
        annotations:
        {{- range $key, $value := . }}
          {{ $key }}: {{ $value }}
        {{- end }}
      {{- end }}
      spec:
        accessModes:
        {{- range .Values.persistence.accessModes }}
          - {{ . | quote }}
        {{- end }}
        resources:
          requests:
            storage: {{ .Values.persistence.size | quote }}
        {{ include "memcached.storageClass" . | nindent 8 }}
{{- end }}
{{- end }}