zammad-docker-compose/kubernetes/50_statefulset_elasticsearch.yaml

apiVersion: apps/v1beta1
kind: StatefulSet
metadata:
  name: zammad-elasticsearch
  namespace: zammad
  labels:
    app: elasticsearch
    component: searchindex
spec:
  serviceName: zammad-elasticsearch
  replicas: 1
  template:
    metadata:
      labels:
        component: searchindex
        app: elasticsearch
    spec:
      terminationGracePeriodSeconds: 10
      volumes:
      - name: zammad-elasticsearch
        persistentVolumeClaim:
          claimName: zammad-elasticsearch
      initContainers:
      - name: prepare-container
        image: busybox
        command: [ "sh", "-c", "sysctl -w vm.max_map_count=262144; chown -R 1000:1000 /usr/share/elasticsearch"]
        securityContext:
          privileged: true
        volumeMounts:
        - mountPath: /usr/share/elasticsearch/data
          name: zammad-elasticsearch
      containers:
      - name: zammad-elasticsearch
        image: zammad/zammad-docker-compose:zammad-elasticsearch
        ports:
        - containerPort: 9200
          name: elasticsearch
        imagePullPolicy: Always
        volumeMounts:
        - mountPath: /usr/share/elasticsearch/data
          name: zammad-elasticsearch
        readinessProbe:
          httpGet:
            path: /_cluster/health?local=true
            port: 9200
          initialDelaySeconds: 60
          periodSeconds: 10
        livenessProbe:
          httpGet:
            path: /_cluster/health?local=true
            port: 9200
          initialDelaySeconds: 60
          periodSeconds: 10