动态供给StorageClass

k8s 默认不支持nfs动态供给， 需要安装插件进行支持。
https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner


kubectl get sc 查看存储类
案例

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: storageclass1
spec:
  storageClassName: "managed-nfs-storage"
  accessModes:
  - ReadWriteMany
  resources:
    requests:
      storage: 3Gi
---
apiVersion: v1
kind: Pod
metadata:
  name: storageclass
spec:
  containers:
  - name: nginx
    image: nginx:1.16
    volumeMounts:
    - name: nfs-pvc
      mountPath: "/usr/share/nginx/html"
  volumes:
  - name: nfs-pvc
    persistentVolumeClaim:
      claimName: storageclass1