k8s部署elk+filebeat+kafka-kraft模式集群（二）kafka-zk集群

kafka-zookeeper集群部署

zk使用官方镜像，版本为3.5
本文跳过rbac之类配置，与前文相同

# cat zk-statefulset.yaml

apiVersion: v1
kind: Service
metadata:
  name: zk-svc
  namespace: elk
  labels:
    app: zk-cluster-svc
spec:
  selector:
    app: zookeeper-3.5
  type: ClusterIP
  clusterIP: None
  #publishNotReadyAddresses: true
  sessionAffinity: ClientIP
  ports:
  - name: clientport
    port: 2181
    protocol: TCP
    targetPort: 2181
  - name: select-port
    port: 3888
    protocol: TCP
    targetPort: 3888
  - name: leader-port
    port: 2888
    protocol: TCP
    targetPort: 2888
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: zk-statefulset
  namespace: elk
spec:
  podManagementPolicy: OrderedReady
  replicas: 3
  selector:
    matchLabels:
      app: zookeeper-3.5
  serviceName: zk-svc
  template:
    metadata:
      name: zk
      namespace: elk
      labels:
        app: zookeeper-3.5
    spec:
      containers:
      - name: kafka
        image: 3.127.33.174:8443/elk/zookeeper:3.5
        imagePullPolicy: IfNotPresent
        resources:
          limits:
            memory: "1Gi"
            cpu: "256m"
        env:
        - name: NODE_ID
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: ZOO_SERVERS
          value: server.0=zk-statefulset-0.zk-svc:2888:3888;2181 server.1=zk-statefulset-1.zk-svc:2888:3888;2181 server.2=zk-statefulset-2.zk-svc:2888:3888;2181
        - name: ZOO_TICK_TIME
          value: "10000"
        - name: ZOO_DATA_LOG_DIR
          value: /data/log
        args: ["/bin/sh","-c","echo 'clientPort=2181' >> /conf/zoo.cfg; echo ${HOSTNAME##*-} > /data/myid; ./bin/zkServer.sh start-foreground"]
        ports:
        - name: clientport
          containerPort: 2181
          protocol: TCP
        - name: leaderport
          containerPort: 2888
          protocol: TCP
        - name: select-leader
          containerPort: 3888
          protocol: TCP
 volumeMounts:
        - name: zk-cluster-claim
          mountPath: /data
        - name: timezone
          mountPath: /etc/localtime
        livenessProbe:
          periodSeconds: 30
          tcpSocket:
            port: 2181
      volumes:
      - name: timezone
        hostPath:
          path: /etc/localtime
      tolerations:
      - key: node-role.kubernetes.io
        effect: NoSchedule
        operator: Equal
        value: master
      - effect: NoSchedule
        operator: Exists
      affinity:
        nodeAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - weight: 1
            preference:
              matchExpressions:
              - key: node
                operator: In
                values:
                - master1
                - node1
  volumeClaimTemplates:
  - metadata:
      name: zk-cluster-claim
      namespace: elk
    spec:
      accessModes:
      - ReadWriteMany
      resources:
        limits:
          storage: 5Gi
      storageClassName: zk-managed-nfs-storage
  updateStrategy:
    type: RollingUpdate

[root@k8s-master01 kafka-zk]# kubectl get pods -n elk | grep zk
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