K8s 部署 MySQL 8.0.19

yaml文件部署

apiVersion: v1
kind: Namespace
metadata:
  name: database

---

apiVersion: v1
kind: ConfigMap
metadata:
  name: mysql-config
  namespace: database
  labels:
    app: mysql
data:
  my.cnf: |-
    [client]
    default-character-set=utf8mb4
    [mysql]
    default-character-set=utf8mb4
    [mysqld] 
    max_connections = 2000
    secure_file_priv=/var/lib/mysql
    sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION

---

kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: mysql
  namespace: database
spec:
  storageClassName: sc-nfs-ssd
  resources:
    requests:
      storage: 50Gi        #设置 pvc 存储资源大小
  accessModes:
  - ReadWriteOnce

---

apiVersion: v1
kind: Service
metadata:
  name: mysql
  namespace: database
  labels:
    app: mysql
spec:
  type: NodePort
  ports:
  - name: mysql
    port: 3306
    targetPort: 3306
    nodePort: 30336
  selector:
    app: mysql

---

apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysql
  namespace: database
  labels:
    app: mysql
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mysql
  template:
    metadata:
      labels:
        app: mysql
    spec:     
      containers:
      - name: mysql
        image: mysql:8.0.19
        ports:
        - containerPort: 3306
        env:
        - name: MYSQL_ROOT_PASSWORD    ## 配置Root用户默认密码
          value: "Password123!"
        resources:
          limits:
            cpu: 2000m
            memory: 512Mi
          requests:
            cpu: 2000m
            memory: 512Mi
        livenessProbe:
          initialDelaySeconds: 30
          periodSeconds: 10
          timeoutSeconds: 5
          successThreshold: 1
          failureThreshold: 3
          exec:
            command: ["mysqladmin", "-uroot", "-p${MYSQL_ROOT_PASSWORD}", "ping"]
        readinessProbe:  
          initialDelaySeconds: 10
          periodSeconds: 10
          timeoutSeconds: 5
          successThreshold: 1
          failureThreshold: 3
          exec:
            command: ["mysqladmin", "-uroot", "-p${MYSQL_ROOT_PASSWORD}", "ping"]
        volumeMounts:
        - name: data
          mountPath: /var/lib/mysql
        - name: config
          mountPath: /etc/mysql/conf.d/my.cnf
          subPath: my.cnf
        - name: localtime
          readOnly: true
          mountPath: /etc/localtime
      volumes:
      - name: data
        persistentVolumeClaim:
          claimName: mysql
      - name: config      
        configMap:
          name: mysql-config
      - name: localtime
        hostPath:
          type: File
          path: /etc/localtime