K8S系列文章之 部署MySQL数据库

1 编写 mysql.yaml文件

apiVersion: v1
kind: Namespace
metadata:
  name: devops   # Namespace 的名称
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: devops-mysql   # deployment控制器名称
  namespace: devops
spec:
  replicas: 1
  revisionHistoryLimit: 5
  strategy:
    type: RollingUpdate
  selector:
    matchLabels:
      app: devops-mysql
  template:
    metadata:
      labels:
        app: devops-mysql
    spec:
      volumes:
        - name: devops-mysql
          nfs:
            server: xx.xx.xx.xx  # 修改为挂载存储的服务器ip
            path: /root/data/nfs/mysql/devops   # 修改为存储服务器的存储挂载路径
      containers:
        - name: devops-mysql
          image: mysql:5.7
          env:
            - name: MYSQL_ROOT_PASSWORD
              value: xxxxxxxx     # 设置MySQL数据库登录密码
          imagePullPolicy: Always
          ports:
            - containerPort: 3306
          volumeMounts:
            - name: devops-mysql
              mountPath: /var/lib/mysql
---
apiVersion: v1
kind: Service
metadata:
  name: devops-mysql    # 数据库服务的名称
  namespace: devops
spec:
  ports:
    - port: 3306
      protocol: TCP
      targetPort: 3306
      nodePort: 30001    # 对外访问的端口
  selector:
    app: devops-mysql
  type: NodePort
  sessionAffinity: ClientIP