zookeeper.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: zk-cm
data:
  CLUSTER_SIZE: "3"
  ZOOKEEPER_SERVERS: "1:zk-0.zk-svc.default.svc.cluster.local:2888:3888,2:zk-1.zk-svc.default.svc.cluster.local:2888:3888,3:zk-2.zk-svc.default.svc.cluster.local:2888:3888"
---
apiVersion: v1
kind: Service
metadata:
  name: zk-svc
  labels:
    app: zk
spec:
  ports:
    - port: 2888
      name: server-port
    - port: 3888
      name: election-port
  clusterIP: None
  selector:
    app: zk
---
apiVersion: v1
kind: Service
metadata:
  name: zookeeper-service
  labels:
    app: zk
spec:
  ports:
    - port: 2181
      name: client
  selector:
    app: zk
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: zk
spec:
  selector:
    matchLabels:
      app: zk
  serviceName: "zk-svc"
  replicas: 3
  template:
    metadata:
      labels:
        app: zk
    spec:
      terminationGracePeriodSeconds: 10
      containers:
        - name: zk
          image: docker.io/prakashpsgcse/zookeeper:3.4.7
          imagePullPolicy: Never
          ports:
            - containerPort: 2181
              name: client
            - containerPort: 2888
              name: server
            - containerPort: 3888
              name: election
          envFrom:
            - configMapRef:
                name: zk-cm
          volumeMounts:
            - name: k8s-prakash
              mountPath: /mnt/zookeeper
  volumeClaimTemplates:
    - metadata:
        name: k8s-prakash
      spec:
        accessModes: [ "ReadWriteOnce" ]
        storageClassName: "standard"
        resources:
          requests:
            storage: 1Gi