【云原生】Kubernetes部署Zookeeper v3.9 + Kafka v3.7.0 集群 （manifest方式）

部署zookeeper（三节点）

apiVersion: v1
kind: Service
metadata:
  name: zookeeper-headless
  namespace: kafka
  labels:
    app: zookeeper
spec:
  ports:
    - port: 2181
      name: client
    - port: 2888
      name: fllower
    - port: 3888
      name: election
  clusterIP: None
  selector:
    app: zookeeper
---
apiVersion: v1
kind: Service
metadata:
  name: zookeeper-adminserver
  namespace: kafka
  labels:
    app: zookeeper
spec:
  type: NodePort
  ports:
    - port: 8080
      name: adminserver
      nodePort: 31801
  selector:
    app: zookeeper
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: zookeeper-config
  namespace: kafka
  labels:
    app: zookeeper
data:
  zoo.cfg: |+
    tickTime=2000
    initLimit=10
    syncLimit=5
    dataDir=/data
    dataLogDir=/datalog
    clientPort=2181
    server.1=zookeeper-0.zookeeper-headless.kafka.svc.cluster.local:2888:3888
    server.2=zookeeper-1.zookeeper-headless.kafka.svc.cluster.local:2888:3888
    server.3=zookeeper-2.zookeeper-headless.kafka.svc.cluster.local:2888:3888
    4lw.commands.whitelist=*
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: zookeeper
  namespace: kafka
spec:
  serviceName: "zookeeper-headless"
  replicas: 3
  selector:
    matchLabels:
      app: zookeeper
  template:
    metadata:
      labels:
        app: zookeeper
    spec:
      initContainers:
      - name: set-id
        # 源镜像地址：busybox:latest
        image: harbor.basepoint.net/library/busybox:latest
        command: ['sh', '-c', "hostname | cut -d '-' -f 2 | awk '{print $0 + 1}' > /data/myid"]
        volumeMounts:
        - name: data
          mountPath: /data
      containers:
      - name: zookeeper
        # 源镜像地址：zookeeper:3.9
        image: harbor.basepoint.net/library/zookeeper:3.9
        imagePullPolicy: IfNotPresent
        resources:
          requests:
            memory: "500Mi"
            cpu: "500m"
          limits:
            memory: "1000Mi"
            cpu: "1000m"
        ports:
        - containerPort: 2181
          name: client
        - containerPort: 2888
          name: fllower
        - containerPort: 3888
          name: election
        volumeMounts:
          - name: zook-config
            mountPath: /conf/zoo.cfg
            subPath: zoo.cfg
          - name: data
            mountPath: /data
        env:
        - name: MY_POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
      volumes:
      - name: zook-config
        configMap:
          name: zookeeper-config
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes: ["ReadWriteMany"]
        storageClassName: longhorn
        resources:
          requests:
            storage: 10Gi

部署Kafka（三节点）

apiVersion: v1
kind: Service
metadata:
  name: kafka-headless
  namespace: kafka
  labels:
    app: kafka
spec:
  ports:
    - port: 9092
      name: server
  clusterIP: None
  selector:
    app: kafka
---
apiVersion: v1
kind: Service
metadata:
  name: kafka
  namespace: kafka
spec:
  type: NodePort
  selector:
    app: kafka
  ports:
    - protocol: TCP
      port: 9092
      targetPort: 9092
      nodePort: 30092
      name: bootstrap
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: kafka
  namespace: kafka
spec:
  serviceName: "kafka-headless"
  replicas: 3
  selector:
    matchLabels:
      app: kafka
  template:
    metadata:
      labels:
        app: kafka
    spec:
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - weight: 1
            podAffinityTerm:
              labelSelector:
                matchExpressions:
                  - key: "app"
                    operator: In
                    values:
                      - kafka
              topologyKey: "kubernetes.io/hostname"
      securityContext:
        runAsUser: 0
      containers:
      - name: kafka
        # 源镜像地址：apache/kafka:3.7.0
        image: harbor.basepoint.net/library/kafka:3.7.0
        imagePullPolicy: IfNotPresent
        resources:
          requests:
            memory: "500Mi"
            cpu: "500m"
          limits:
            memory: "1000Mi"
            cpu: "2000m"
        ports:
        - containerPort: 9092
          name: server
        #env:
        #  KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://172.25.2.4:30092
        #  --override advertised.listeners=PLAINTEXT://172.25.2.4:30092 \
        command:
        - sh
        - -c
        - "exec /opt/kafka/bin/kafka-server-start.sh /opt/kafka/config/server.properties --override broker.id=${HOSTNAME##*-} \
          --override listeners=PLAINTEXT://:9092 \
          --override zookeeper.connect=zookeeper-0.zookeeper-headless:2181,zookeeper-1.zookeeper-headless:2181,zookeeper-2.zookeeper-headless:2181 \
          --override log.dirs=/var/lib/kafka/data/logs \
          --override auto.create.topics.enable=true \
          --override auto.leader.rebalance.enable=true \
          --override background.threads=10 \
          --override compression.type=producer \
          --override delete.topic.enable=true \
          --override leader.imbalance.check.interval.seconds=300 \
          --override leader.imbalance.per.broker.percentage=10 \
          --override log.flush.interval.messages=9223372036854775807 \
          --override log.flush.offset.checkpoint.interval.ms=60000 \
          --override log.flush.scheduler.interval.ms=9223372036854775807 \
          --override log.retention.bytes=-1 \
          --override log.retention.hours=168 \
          --override log.roll.hours=168 \
          --override log.roll.jitter.hours=0 \
          --override log.segment.bytes=1073741824 \
          --override log.segment.delete.delay.ms=60000 \
          --override message.max.bytes=1000012 \
          --override min.insync.replicas=1 \
          --override num.io.threads=8 \
          --override num.network.threads=3 \
          --override num.recovery.threads.per.data.dir=1 \
          --override num.replica.fetchers=1 \
          --override offset.metadata.max.bytes=4096 \
          --override offsets.commit.required.acks=-1 \
          --override offsets.commit.timeout.ms=5000 \
          --override offsets.load.buffer.size=5242880 \
          --override offsets.retention.check.interval.ms=600000 \
          --override offsets.retention.minutes=1440 \
          --override offsets.topic.compression.codec=0 \
          --override offsets.topic.num.partitions=50 \
          --override offsets.topic.replication.factor=3 \
          --override offsets.topic.segment.bytes=104857600 \
          --override queued.max.requests=500 \
          --override quota.consumer.default=9223372036854775807 \
          --override quota.producer.default=9223372036854775807 \
          --override replica.fetch.min.bytes=1 \
          --override replica.fetch.wait.max.ms=500 \
          --override replica.high.watermark.checkpoint.interval.ms=5000 \
          --override replica.lag.time.max.ms=10000 \
          --override replica.socket.receive.buffer.bytes=65536 \
          --override replica.socket.timeout.ms=30000 \
          --override request.timeout.ms=30000 \
          --override socket.receive.buffer.bytes=102400 \
          --override socket.request.max.bytes=104857600 \
          --override socket.send.buffer.bytes=102400 \
          --override unclean.leader.election.enable=true \
          --override zookeeper.session.timeout.ms=6000 \
          --override zookeeper.set.acl=false \
          --override broker.id.generation.enable=true \
          --override connections.max.idle.ms=600000 \
          --override controlled.shutdown.enable=true \
          --override controlled.shutdown.max.retries=3 \
          --override controlled.shutdown.retry.backoff.ms=5000 \
          --override controller.socket.timeout.ms=30000 \
          --override default.replication.factor=1 \
          --override fetch.purgatory.purge.interval.requests=1000 \
          --override group.max.session.timeout.ms=300000 \
          --override group.min.session.timeout.ms=6000 \
          --override log.cleaner.backoff.ms=15000 \
          --override log.cleaner.dedupe.buffer.size=134217728 \
          --override log.cleaner.delete.retention.ms=86400000 \
          --override log.cleaner.enable=true \
          --override log.cleaner.io.buffer.load.factor=0.9 \
          --override log.cleaner.io.buffer.size=524288 \
          --override log.cleaner.io.max.bytes.per.second=1.7976931348623157E308 \
          --override log.cleaner.min.cleanable.ratio=0.5 \
          --override log.cleaner.min.compaction.lag.ms=0 \
          --override log.cleaner.threads=1 \
          --override log.cleanup.policy=delete \
          --override log.index.interval.bytes=4096 \
          --override log.index.size.max.bytes=10485760 \
          --override log.message.timestamp.difference.max.ms=9223372036854775807 \
          --override log.message.timestamp.type=CreateTime \
          --override log.preallocate=false \
          --override log.retention.check.interval.ms=300000 \
          --override max.connections.per.ip=2147483647 \
          --override num.partitions=1 \
          --override producer.purgatory.purge.interval.requests=1000 \
          --override replica.fetch.backoff.ms=1000 \
          --override replica.fetch.max.bytes=1048576 \
          --override replica.fetch.response.max.bytes=10485760 \
          --override reserved.broker.max.id=1000"
        volumeMounts:
          - name: data
            mountPath: /var/lib/kafka/data
        env:
        - name: MY_POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: ALLOW_PLAINTEXT_LISTENER
          value: "yes"
        - name: KAFKA_HEAP_OPTS
          value : "-Xms1g -Xmx1g"
        - name: KAFKA_OPTS
          value: "-Dlogging.level=INFO"
        - name: JMX_PORT
          value: "5555"
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes: ["ReadWriteOnce"]
        storageClassName: longhorn
        resources:
          requests:
            storage: 10Gi

检查所有pod启动无报错

[root@k8s-h3c-master01 kafka]# kubectl get pod -n kafka
NAME          READY   STATUS    RESTARTS   AGE
kafka-0       1/1     Running   0          1m
kafka-1       1/1     Running   0          1m
kafka-2       1/1     Running   0          1m
zookeeper-0   1/1     Running   0          7m
zookeeper-1   1/1     Running   0          7m
zookeeper-2   1/1     Running   0          7m

部署Kafka-eagle可视化

apiVersion: apps/v1
kind: Deployment
metadata:
  name: kafka-eagle
  namespace: kafka
spec:
  replicas: 1
  selector:
    matchLabels:
      app: kafka-eagle
  template:
    metadata:
      labels:
        app: kafka-eagle
    spec:
      restartPolicy: Always
      containers:
          # 源镜像地址：nickzurich/efak:3.0.1
        - image: harbor.basepoint.net/library/efak:3.0.1
          imagePullPolicy: IfNotPresent
          name: kafka-eagle
          env:
            - name: EFAK_CLUSTER_ZK_LIST
              value: zookeeper-0.zookeeper-headless.kafka.svc.cluster.local:2181,zookeeper-1.zookeeper-headless.kafka.svc.cluster.local:2181,zookeeper-2.zookeeper-headless.kafka.svc.cluster.local:2181
          ports:
            - containerPort: 8048
              name: web
---
apiVersion: v1
kind: Service
metadata:
  name: kafka-eagle
  namespace: kafka
spec:
  type: NodePort
  ports:
    - port: 8048
      targetPort: 8048
      nodePort: 30048
      name: web
  selector:
    app: kafka-eagle

验证

登录eagle，http://ip:30048

账户admin，密码123456