k8s使用cephfs来挂载mysql数据

通过pv和pvc的方式来挂载

新建一个mysql.yaml，内容如下

apiVersion: v1
kind: PersistentVolume
metadata:
  name: mysql-pv
spec:
  capacity:
    storage: 300Mi
  accessModes:
    - ReadWriteOnce
  cephfs:
    monitors:
      - 192.168.236.131:6789
    user: admin
    path: /mysql
    secretRef:
      name: ceph-secret
    readOnly: false
  persistentVolumeReclaimPolicy: Recycle
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mysql-pvc
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 300Mi
---
apiVersion: v1
kind: Service
metadata:
  name: mysql
spec:
  ports:
  - nodePort: 32702
    port: 3306
    protocol: TCP
    targetPort: 3306
  selector:
    app: mysql
  type: NodePort
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysql
spec:
  selector:
    matchLabels:
      app: mysql
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
      - image: 192.168.200.197:80/storage/mysql:5.7
        name: mysql
        env:
        - name: MYSQL_ROOT_PASSWORD
          value: "123456"
        ports:
        - containerPort: 3306
          name: mysql
        volumeMounts:
        - name: mysql-persistent-storage
          mountPath: /var/lib/mysql
      volumes:
      - name: mysql-persistent-storage
        persistentVolumeClaim:
          claimName: mysql-pvc

执行kubectl apply -f mysql.yaml来添加服务

参考

https://docs.ceph.com/docs/master/install/ceph-deploy/quick-cephfs/

https://blog.frognew.com/2018/04/kubernetes-pv-cephfs.html