jpoode_zookeeper.yaml

---
apiVersion: v1
kind: Service
metadata:
  name: {{ .Values.resources.services.zookeeper }} 
  labels:
    app: jpoode-zookeeper
spec:
  ports:
  - port: 2181
    name: ode-zookeeper-client
  - port: 2888
    name: ode-zookeeper-server 
  - port: 3888
    name: ode-zookeeper-leader-election
  clusterIP: None 
  selector:
    app: jpoode-zookeeper
---
apiVersion: policy/v1beta1
kind: PodDisruptionBudget
metadata: 
  name: ode-zookeeper-pdb
spec:
  selector:
    matchLabels:
      app: jpoode-zookeeper 
  maxUnavailable: 1
---
apiVersion: apps/v1
kind: StatefulSet
metadata: 
  name: jpoode-zookeeper
spec:
  selector:
    matchLabels:
      app: jpoode-zookeeper
  serviceName: {{ .Values.resources.services.zookeeper }} 
  replicas: {{ .Values.replicas.jpoode_zookeeper }}
  podManagementPolicy: Parallel
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: jpoode-zookeeper
    spec:
      # assign pods to nodes
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchExpressions:
                  - key: "app"
                    operator: In
                    values:
                    - jpoode-zookeeper
              topologyKey: "kubernetes.io/region"
      containers:
      - name: kubernetes-zookeeper
        imagePullPolicy: Always
        image: confluentinc/cp-zookeeper:6.2.0
        resources:
          requests:
            memory: "1Gi"
            cpu: "0.5"
        tty: true
        stdin: true
        ports:
          - containerPort: 2181
            name: ode-zk-client
          - containerPort: 2888
            name: ode-zk-server
          - containerPort: 3888
            name: ode-zk-election
        env:
          - name: ZOOKEEPER_CLIENT_PORT
            value: "2181"
          - name: ZOOKEEPER_TICK_TIME
            value: "2000"
          - name : ZOOKEEPER_SYNC_LIMIT
            value: "5"
          - name : ZOOKEEPER_INIT_LIMIT
            value: "10"
          - name : ZOOKEEPER_MAX_CLIENT_CNXNS
            value: "60"
          - name : ZOOKEEPER_AUTOPURGE_SNAP_RETAIN_COUNT
            value: "3"
          - name : ZOOKEEPER_AUTOPURGE_PURGE_INTERVAL
            value: "24"
          - name: ZOOKEEPER_DATA_DIR
            value: "/var/lib/zookeeper/data"
          - name: ZOOKEEPER_DATA_LOG_DIR
            value: "/var/lib/zookeeper/data/log"
          - name: ZOOKEEPER_ELECTION_PORT
            value: "3888"
          - name: ZOOKEEPER_SERVER_PORT
            value: "2888"
          - name: ZOOKEEPER_HEAP
            value: "512M"
          - name: ZOOKEEPER_LOG_LEVEL
            value: "INFO"
          - name: ZOOKEEPER_CONF_DIR
            value: "/opt/zookeeper/conf"
        command:
          - /bin/bash
          - -c
          - export ZOOKEEPER_SERVER_ID=$((${HOSTNAME##*-}+1)) && /etc/confluent/docker/run
        volumeMounts:
        - name: datadir
          mountPath: /var/lib/zookeeper
      securityContext:
        runAsUser: 1000
        fsGroup: 1000
  volumeClaimTemplates:
  - metadata:
      name: datadir
    spec:
      accessModes: [ "ReadWriteOnce" ]
      resources:
        requests:
          storage: 10Gi
---