1、yaml文件准备

1.1 wordpress-db.yaml

apiVersion: apps/v1

kind: Deployment

metadata:

  name: mysql

  namespace: wordpress

  labels:

    app: mysql

spec:

  replicas: 1

  selector:

    matchLabels:

      app: mysql

  strategy: {}

  template:

    metadata:

      creationTimestamp: null

      labels:

        app: mysql

    spec:

      containers:

      - image: mysql:5.6

        name: mysql

        imagePullPolicy: IfNotPresent

        ports:

        - containerPort: 3306

          name: dbport

        env:                      #环境编排，进入数据库中创建Wordpress数据库和WordPress用户

        - name: MYSQL_ROOT_PASSWORD

          value: rootPassW0rd

        - name: MYSQL_DATABASE

          value: wordpress

        - name: MYSQL_USER

          value: wordpress

        - name: MYSQL_PASSWORD

          value: wordpress

        volumeMounts:

        - name: db

          mountPath: /var/lib/mysql     #mysql数据存放的容器目录

        resources: {}

      volumes:

      - name: db

        hostPath:

          path: /var/lib/mysql        #   容器目录中的数据映射到本地目录中

status: {}

---

apiVersion: v1

kind: Service

metadata:

  name: mysql

  namespace: wordpress

spec:

  selector:

    app: mysql

  ports:

  - name: mysqlport

    protocol: TCP

    port: 3306

    targetPort: dbport

1.2 wordpress.yaml

注意需要修改文件中连接数据库的ip信息

apiVersion: apps/v1

kind: Deployment

metadata:

  name: wordpress

  namespace: wordpress

  labels:

    app: wordpress

spec:

  replicas: 1

  selector:

    matchLabels:

      app: wordpress

  strategy: {}

  template:

    metadata:

      creationTimestamp: null

      labels:

        app: wordpress

    spec:

      containers:

      - name: wordpress

        image: wordpress

        imagePullPolicy: IfNotPresent

        ports:

        - containerPort: 80

          name: wdport

        env:

        - name: WORDPRESS_DB_HOST

          value:  10.108.244.58:3306    #连接数据库，这里的ip地址查看mysql启动时的ip

        - name: WORDPRESS_DB_USER

          value: wordpress

        - name: WORDPRESS_DB_PASSWORD

          value: wordpress

status: {}

---

apiVersion: v1

kind: Service

metadata:

  name: wordpress

  namespace: wordpress

spec:

  type: NodePort

  selector:

    app: wordpress

  ports:

  - name: wordpressport

    protocol: TCP

    port: 80

    targetPort: wdport

2、部署安装

2.1 先创建wordpress命名空间

kubectl create ns wordpress

2.2 部署wordpress-db

kubectl apply -f wordpress-db.yaml
kubectl get svc -n wordpress

2.3部署wordpress

先修改ordpress.yaml文件中的数据库连接信息，使用2.2中mysql服务的CLUSTER-IP地址

kubectl apply -f wordpress.yaml
kubectl get svc -n wordpress

可以看到wordpress对外暴露的端口号为30215，node节点是k8s-node1

3、访问测试

我这里用的node1节点http://192.168.2.102:30215/