依赖版本信息

MySQL 5.7
Nacos 1.4.0

部署mysql

创建pvc
vi mysql-pvc.yaml

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  namespace: springcloud
  name: mysql-nacos-pvc
spec:
  storageClassName: rook-ceph-block
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 20Gi

创建statefulset
vi mysql-statefulset.yaml

apiVersion: apps/v1
kind: StatefulSet
metadata:
  namespace: springcloud
  name: mysql
spec:
  selector:
    matchLabels:
      app: mysql
  replicas: 1
  serviceName: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
      - name: mysql
        image: mysql:5.7
        imagePullPolicy: IfNotPresent
        env:
        - name: MYSQL_ROOT_PASSWORD
          value: "123456"
        ports:
        - containerPort: 3306
          name: mysql
        volumeMounts:
          - name: mysql-persistent-storage
            mountPath: /var/lib/mysql
            subPath: mysqldata  # 这里通过subPath挂载到子目录，就可以避免出错
          - name: mysql-01-conf
            mountPath: /etc/mysql
      volumes:
      - name: mysql-persistent-storage
        persistentVolumeClaim:
          claimName: mysql-nacos-pvc
      - name: mysql-01-conf
        configMap:
          name: my.cnf

---
apiVersion: v1
kind: ConfigMap
metadata:
  namespace: springcloud
  name: my.cnf
data:
  my.cnf: |
    [mysqld]
    skip-grant-tables
    port = 3306
    character-set-server=utf8mb4
    collation-server=utf8mb4_unicode_ci
    skip-character-set-client-handshake=1
    default-storage-engine=INNODB
    max_allowed_packet = 500M
    explicit_defaults_for_timestamp=1
    long_query_time = 10

创建svc
vi mysql-svc.yaml

apiVersion: v1
kind: Service
metadata:
  namespace: springcloud
  name: mysql
spec:
  ports:
  - port: 3306
  type: NodePort
  selector:
    app: mysql

初始化nacos数据表

下载安装包

找到初始化脚本

新建nacos数据库，执行初始化脚本

部署Nacos

vi nacos.yaml

---
apiVersion: v1
kind: Service
metadata:
  namespace: springcloud
  name: nacos
  labels:
    app: nacos
spec:
  type: NodePort
  ports:
    - port: 8848
      name: server
      targetPort: 8848
    - port: 7848
      name: rpc
      targetPort: 7848
  selector:
    app: nacos
---
apiVersion: v1
kind: ConfigMap
metadata:
  namespace: springcloud
  name: nacos
data:
  mysql.db.name: "nacos"
  mysql.port: "3306"
  mysql.user: "root"
  mysql.password: "123456"
  mysql.host: "mysql.springcloud.svc.cluster.local"
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  namespace: springcloud
  name: nacos
spec:
  selector:
    matchLabels:
      app: nacos
  serviceName: nacos
  replicas: 3
  template:
    metadata:
      labels:
        app: nacos
      annotations:
        pod.alpha.kubernetes.io/initialized: "true"
    spec:
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchExpressions:
                  - key: "app"
                    operator: In
                    values:
                      - nacos
              topologyKey: "kubernetes.io/hostname"
      containers:
        - name: nacos
          imagePullPolicy: IfNotPresent
          image: nacos/nacos-server:1.4.0
          resources:
            requests:
              memory: "521Mi"
              cpu: "200m"
          ports:
            - containerPort: 8848
              name: client
            - containerPort: 7848
              name: rpc
          env:
            - name: NACOS_REPLICAS
              value: "3"
            - name: MYSQL_SERVICE_HOST
              valueFrom:
                configMapKeyRef:
                  name: nacos
                  key: mysql.host
            - name: MYSQL_SERVICE_DB_NAME
              valueFrom:
                configMapKeyRef:
                  name: nacos
                  key: mysql.db.name
            - name: MYSQL_SERVICE_PORT
              valueFrom:
                configMapKeyRef:
                  name: nacos
                  key: mysql.port
            - name: MYSQL_SERVICE_USER
              valueFrom:
                configMapKeyRef:
                  name: nacos
                  key: mysql.user
            - name: MYSQL_SERVICE_PASSWORD
              valueFrom:
                configMapKeyRef:
                  name: nacos
                  key: mysql.password
            - name: NACOS_SERVER_PORT
              value: "8848"
            - name: NACOS_APPLICATION_PORT
              value: "8848"
            - name: PREFER_HOST_MODE
              value: "hostname"
            - name: NACOS_SERVERS
              value: "nacos-0.springcloud.svc.cluster.local:8848 nacos-1.springcloud.svc.cluster.local:8848 nacos-2.springcloud.svc.cluster.local:8848"

访问Nacos