k8s部署单节点kafka、zookeeper

最新推荐文章于 2025-06-14 19:45:51 发布

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最新推荐文章于 2025-06-14 19:45:51 发布 · 3.6k 阅读

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文章标签：

#kafka #zookeeper #分布式 #k8s #nfs

需求：nfs服务

1、 pv.yaml

2、zk.yaml

3、kafka.yaml

1、 pv.yaml

# 数据存储卷
---
apiVersion: v1
kind: PersistentVolume
metadata:
  name: zk-pv
spec:
  capacity:
    storage: 5Gi
  volumeMode: Filesystem
  accessModes:
    - ReadWriteOnce
  persistentVolumeReclaimPolicy: Recycle
  storageClassName: zk-pv
  nfs:
    path: /data/nfs/kafka/zkpv
    server: 172.xx.xx.xx

# 数据存储卷
---
apiVersion: v1
kind: PersistentVolume
metadata:
  name: kafka-pv
spec:
  capacity:
    storage: 5Gi
  volumeMode: Filesystem
  accessModes:
    - ReadWriteOnce
  persistentVolumeReclaimPolicy: Recycle
  storageClassName: kafka-pv
  nfs:
    path: /data/nfs/kafka/kafkapv
    server: 172.xx.xx.xx

2、zk.yaml

---
apiVersion: v1
kind: Service
metadata:
  name: zookeeper-headless
  labels:
    app: zookeeper
spec:
  type: ClusterIP
  clusterIP: None
  publishNotReadyAddresses: true
  ports:
  - name: client
    port: 2181
    targetPort: client
  - name: follower
    port: 2888
    targetPort: follower
  - name: election
    port: 3888
    targetPort: election
  selector:
    app: zookeeper

---
#部署 Service，用于外部访问 Zookeeper
apiVersion: v1
kind: Service
metadata:
  name: zookeeper
  labels:
    app: zookeeper
spec:
  type: NodePort
  ports:
  - name: client
    port: 2181
    targetPort: 2181
    nodePort: 30107
  - name: follower
    port: 2888
    targetPort: follower
  - name: election
    port: 3888
    targetPort: election
  selector:
    app: zookeeper

---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: zookeeper
  labels:
    app: zookeeper
spec:
  serviceName: zookeeper-headless
  replicas: 1
  podManagementPolicy: Parallel
  updateStrategy:
    type: RollingUpdate
  selector:
    matchLabels:
      app: zookeeper
  template:
    metadata:
      name: zookeeper
      labels:
        app: zookeeper
    spec:      
      securityContext:
        fsGroup: 1001
      containers:
      - name: zookeeper
        image: docker.io/bitnami/zookeeper:3.4.14-debian-9-r25
        imagePullPolicy: IfNotPresent
        securityContext:
          runAsUser: 1001
        command:
         - bash
         - -ec
         - |
            # Execute entrypoint as usual after obtaining ZOO_SERVER_ID based on POD hostname
            HOSTNAME=`hostname -s`
            if [[ $HOSTNAME =~ (.*)-([0-9]+)$ ]]; then
              ORD=${BASH_REMATCH[2]}
              export ZOO_SERVER_ID=$((ORD+1))
            else
              echo "Failed to get index from hostname $HOST"
              exit 1
            fi
            . /opt/bitnami/base/functions
            . /opt/bitnami/base/helpers
            print_welcome_page
            . /init.sh
            nami_initialize zookeeper
            exec tini -- /run.sh            
        env:
        - name: ZOO_PORT_NUMBER
          value: "2181"
        - name: ZOO_TICK_TIME
          value: "2000"
        - name: ZOO_INIT_LIMI