用kubernetes部署wordpress

# 首先创建nfs （略）

# kubectl create secret generic mysql-pass --from-literal='password=123456'

# cat mysql-persistent-storage.yaml

apiVersion: v1

kind: PersistentVolume

metadata:

  name: mysql-persistent-storage

spec:

    capacity:

      storage: 20Gi

    accessModes:

              - ReadWriteOnce

    persistentVolumeReclaimPolicy: Recycle

    storageClassName: nfs

    nfs:

       path: /home/pvdata/mysql/

       server: 10.24.2.10

# cat mysql-deployment.yaml

apiVersion: v1

kind: Service

metadata:

  name: wordpress-mysql

  labels:

    app: wordpress

spec:

  ports:

    - port: 3306

  selector:

    app: wordpress

    tier: mysql

  clusterIP: None

---

apiVersion: v1

kind: PersistentVolumeClaim

metadata:

  name: mysql-pv-claim

  labels:

    app: wordpress

spec:

  accessModes:

    - ReadWriteOnce

  resources:

    requests:

      storage: 20Gi

  storageClassName: nfs

---

apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2

kind: Deployment

metadata:

  name: wordpress-mysql

  labels:

    app: wordpress

spec:

  selector:

    matchLabels:

      app: wordpress

      tier: mysql

  strategy:

    type: Recreate

  template:

    metadata:

      labels:

        app: wordpress

        tier: mysql

    spec:

      containers:

      - image: mysql:5.6

        name: mysql

        env:

        - name: MYSQL_ROOT_PASSWORD

          valueFrom:

            secretKeyRef:

              name: mysql-pass

              key: password

        ports:

        - containerPort: 3306

          name: mysql

        volumeMounts:

        - name: mysql-persistent-storage

          mountPath: /var/lib/mysql

      volumes:

      - name: mysql-persistent-storage

        persistentVolumeClaim:

          claimName: mysql-pv-claim

# cat wordpress-persistent-storage.yaml

apiVersion: v1

kind: PersistentVolume

metadata:

  name: wordpress-persistent-storage

spec:

    capacity:

      storage: 20Gi

    accessModes:

              - ReadWriteOnce

    persistentVolumeReclaimPolicy: Recycle

    storageClassName: nfs

    nfs:

       path: /home/pvdata/wordpress/

       server: 10.24.2.10

# cat wordpress-deployment.yaml

apiVersion: v1

kind: Service

metadata:

  name: wordpress

  labels:

    app: wordpress

spec:

  type: NodePort

  ports:

    - port: 80

      nodePort: 31000

  selector:

    app: wordpress

    tier: frontend

  type: NodePort

---

apiVersion: v1

kind: PersistentVolumeClaim

metadata:

  name: wp-pv-claim

  labels:

    app: wordpress

spec:

  accessModes:

    - ReadWriteOnce

  resources:

    requests:

      storage: 20Gi

  storageClassName: nfs

---

apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2

kind: Deployment

metadata:

  name: wordpress

  labels:

    app: wordpress

spec:

  selector:

    matchLabels:

      app: wordpress

      tier: frontend

  strategy:

    type: Recreate

  template:

    metadata:

      labels:

        app: wordpress

        tier: frontend

    spec:

      containers:

      - image: wordpress

        name: wordpress

        env:

        - name: WORDPRESS_DB_HOST

          value: wordpress-mysql

        - name: WORDPRESS_DB_PASSWORD

          valueFrom:

            secretKeyRef:

              name: mysql-pass

              key: password

        ports:

        - containerPort: 80

          name: wordpress

        volumeMounts:

        - name: wordpress-persistent-storage

          mountPath: /var/www/html

      volumes:

      - name: wordpress-persistent-storage

        persistentVolumeClaim:

          claimName: wp-pv-claim