大佬教程收集整理的这篇文章主要介绍了kubenetes 部署nacos集群，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。

存储

本文档使用Nfs存储，nfs的搭建参考文档：https://www.cnblogs.com/pgy674477230/p/16326880.html 创建pvc cat nacos-pvc-headless.yml

kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: nacos-pvc-headless
  namespace: test03
  Annotations:
    pv.kubernetes.io/bind-completed: 'yes'
    pv.kubernetes.io/bound-by-controller: 'yes'
    volume.beta.kubernetes.io/storage-provisioner: k8s-sigs.io/nfs-subdir-external-provisioner
spec:
  accessModes:
    - ReadWriteMany
  resources:
    @R_673_10613@ests:
      storage: 5Gi
  volumename: pvc-770acf2a-b03b-463b-9b44-d8a90d8c6862
  storageClassName: managed-nfs-storage
  volumeMode: Filesystem
status:
  phase: Bound
  accessModes:
    - ReadWriteMany
  capacity:
    storage: 5Gi

创建服务

cat nacos-service-headless.yml

apiVersion: v1
kind: service
metadata:
  name: nacos-headless
  labels:
    app: nacos
  Annotations:
    service.alpha.kubernetes.io/tolerate-unready-endpoints: "true"
spec:
  ports:
    - port: 8848
      name: server
      targetPort: 8848
    - port: 9848
      name: client-rpc
      targetPort: 9848
    - port: 9849
      name: raft-rpc
      targetPort: 9849
    ## 兼容1.4.x版本的选举端口
    - port: 7848
      name: old-raft-rpc
      targetPort: 7848
  clusterIP: None
  SELEctor:
    app: nacos

使用Nodeport提供外部web访问 或者使用ingress，本文使用Nodeport方式，创建暴露服务 cat nacos-web.yml

kind: service
apiVersion: v1
metadata:
  name: nacos-web
  namespace: test03
spec:
  ports:
    - name: http
      protocol: TCP
      port: 8848
      targetPort: 8848
      nodePort: 31848
  SELEctor:
    app: nacos
  clusterIP: 10.2.202.97
  clusterIPs:
    - 10.2.202.97
  type: NodePort
  sessionAffinity: None
  externalTrafficPolicy: Cluster

创建配置

cat nacos-cm.yml

apiVersion: v1
kind: ConfigMap
metadata:
  name: nacos-cm
data:
  mysql.db.name: "nacos_devtest"
  mysql.port: "3306"
  mysql.user: "nacos"
  mysql.password: "nacos"
  mysql.host: "mysql"

创建StatefulSet 部署集群

cat nacos-headless.yml

kind: StatefulSet
apiVersion: apps/v1
metadata:
  name: nacos
  namespace: test03
spec:
  replicas: 3
  SELEctor:
    matchLabels:
      app: nacos
  template:
    metadata:
      creationtimestamp: null
      labels:
        app: nacos
      Annotations:
        kubectl.kubernetes.io/restartedAt: '2022-05-30T06:13:58.528Z'
        pod.alpha.kubernetes.io/initialized: 'true'
    spec:
      volumes:
        - name: nacos-pvc-headless
          persistentVolumeClaim:
            claimname: nacos-pvc-headless
      initContainers:
        - name: peer-finder-plugin-install
          image: nacos/nacos-peer-finder-plugin:1.1
          resources: {}
          volumeMounts:
            - name: nacos-pvc-headless
              mountPath: /home/nacos/plugins/peer-finder
              subPath: peer-finder
          terminationmessagePath: /dev/termination-log
          terminationmessagePolicy: File
          imagePullPolicy: IfNotPresent
          securityContext:
            capabilities: {}
            seLinuxOptions: {}
      containers:
        - name: nacos
          image: nacos/nacos-server:v2.0.4
          ports:
            - name: client-port
              containerPort: 8848
              protocol: TCP
            - name: client-rpc
              containerPort: 9848
              protocol: TCP
            - name: raft-rpc
              containerPort: 9849
              protocol: TCP
            - name: old-raft-rpc
              containerPort: 7848
              protocol: TCP
          env:
            - name: NACOS_REPLICAS
              value: '3'
            - name: service_name
              value: nacos-headless
            - name: DOMAIN_NAME
              value: cluster.local
            - name: POD_NAMESPACE
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: metadata.namespace
            - name: MYSQL_serviCE_db_name
              valueFrom:
                configMapKeyRef:
                  name: nacos-cm
                  key: mysql.db.name
            - name: MYSQL_serviCE_PORT
              valueFrom:
                configMapKeyRef:
                  name: nacos-cm
                  key: mysql.port
            - name: MYSQL_serviCE_USER
              valueFrom:
                configMapKeyRef:
                  name: nacos-cm
                  key: mysql.user
            - name: MYSQL_serviCE_password
              valueFrom:
                configMapKeyRef:
                  name: nacos-cm
                  key: mysql.password
            - name: MYSQL_serviCE_HOST
              valueFrom:
                configMapKeyRef:
                  name: nacos-cm
                  key: mysql.host
            - name: NACOS_SERVER_PORT
              value: '8848'
            - name: NACOS_APPLICATION_PORT
              value: '8848'
            - name: PREFER_HOST_MODE
              value: hostname
          resources:
            @R_673_10613@ests:
              cpu: 500m
              memory: 2Gi
          volumeMounts:
            - name: nacos-pvc-headless
              mountPath: /home/nacos/plugins/peer-finder
              subPath: peer-finder
            - name: nacos-pvc-headless
              mountPath: /home/nacos/data
              subPath: data
            - name: nacos-pvc-headless
              mountPath: /home/nacos/logs
              subPath: logs
          terminationmessagePath: /dev/termination-log
          terminationmessagePolicy: File
          imagePullPolicy: Always
          securityContext:
            capabilities: {}
            seLinuxOptions: {}
      restartPolicy: Always
      terminationGracePeriodSeconds: 30
      dnsPolicy: ClusterFirst
      securityContext:
        seLinuxOptions: {}
      affinity:
        podAntiAffinity:
          @R_673_10613@iredDuringschedulingIgnoredDuringExecution:
            - labelSELEctor:
                matchExpressions:
                  - key: app
                    operator: In
                    values:
                      - nacos
              topologyKey: kubernetes.io/hostname
      schedulerName: default-scheduler
      dnsConfig: {}
  servicename: nacos-headless
  podManagementPolicy: orderedReady
  updateStrategy:
    type: Rollingupdate
  revisionHistoryLimit: 10

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