40-statefulset.yml

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: zookeeper
  namespace: data
spec:
  podManagementPolicy: OrderedReady
  replicas: 2
  revisionHistoryLimit: 1
  selector:
    matchLabels:
      app: zookeeper
  serviceName: zookeeper-headless
  template:
    metadata:
      labels:
        app: zookeeper
    spec:
      containers:
        - command:
            - /bin/bash
            - -xec
            - zkGenConfig.sh && exec zkServer.sh start-foreground
          env:
            - name: ZK_REPLICAS
              value: "2"
            - name: JMXAUTH
              value: "false"
            - name: JMXDISABLE
              value: "false"
            - name: JMXPORT
              value: "1099"
            - name: JMXSSL
              value: "false"
            - name: ZK_CLIENT_PORT
              value: "2181"
            - name: ZK_ELECTION_PORT
              value: "3888"
            - name: ZK_HEAP_SIZE
              value: 1G
            - name: ZK_INIT_LIMIT
              value: "5"
            - name: ZK_LOG_LEVEL
              value: INFO
            - name: ZK_MAX_CLIENT_CNXNS
              value: "60"
            - name: ZK_MAX_SESSION_TIMEOUT
              value: "40000"
            - name: ZK_MIN_SESSION_TIMEOUT
              value: "4000"
            - name: ZK_PURGE_INTERVAL
              value: "0"
            - name: ZK_SERVER_PORT
              value: "2888"
            - name: ZK_SNAP_RETAIN_COUNT
              value: "3"
            - name: ZK_SYNC_LIMIT
              value: "10"
            - name: ZK_TICK_TIME
              value: "2000"
          image: gcr.io/google_samples/k8szk:v3
          imagePullPolicy: IfNotPresent
          livenessProbe:
            exec:
              command:
                - zkOk.sh
            failureThreshold: 3
            initialDelaySeconds: 20
            periodSeconds: 10
            successThreshold: 1
            timeoutSeconds: 1
          name: zookeeper
          ports:
            - containerPort: 2181
              name: client
              protocol: TCP
            - containerPort: 3888
              name: election
              protocol: TCP
            - containerPort: 2888
              name: server
              protocol: TCP
          readinessProbe:
            exec:
              command:
                - zkOk.sh
            failureThreshold: 3
            initialDelaySeconds: 20
            periodSeconds: 10
            successThreshold: 1
            timeoutSeconds: 1
          resources: {}
          terminationMessagePath: /dev/termination-log
          terminationMessagePolicy: File
          volumeMounts:
            - mountPath: /var/lib/zookeeper
              name: data
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext:
        fsGroup: 1000
        runAsUser: 1000
      terminationGracePeriodSeconds: 30
      volumes:
        - emptyDir: {}
          name: data
  updateStrategy:
    type: OnDelete