NFS服务搭建

创建 RBAC 资源文件 nfs-rbac.yaml

apiVersion: v1
kind: ServiceAccount
metadata:
name: nfs-client-provisioner
namespace: kube-system
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: nfs-client-provisioner-runner
rules:
- apiGroups: [""]
resources: ["persistentvolumes"]
verbs: ["get", "list", "watch", "create", "delete"]
- apiGroups: [""]
resources: ["persistentvolumeclaims"]
verbs: ["get", "list", "watch", "update"]
- apiGroups: ["storage.k8s.io"]
resources: ["storageclasses"]
verbs: ["get", "list", "watch"]
- apiGroups: [""]
resources: ["events"]
verbs: ["create", "update", "patch"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: run-nfs-client-provisioner
subjects:
- kind: ServiceAccount
name: nfs-client-provisioner
namespace: kube-system
roleRef:
kind: ClusterRole
name: nfs-client-provisioner-runner
apiGroup: rbac.authorization.k8s.io
---
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: leader-locking-nfs-client-provisioner
namespace: kube-system
rules:
- apiGroups: [""]
resources: ["endpoints"]
verbs: ["get", "list", "watch", "create", "update", "patch"]
---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: leader-locking-nfs-client-provisioner
namespace: kube-system
subjects:
- kind: ServiceAccount
name: nfs-client-provisioner
namespace: kube-system
roleRef:
kind: Role
name: leader-locking-nfs-client-provisioner
apiGroup: rbac.authorization.k8s.io

kubectl apply -f nfs-rbac.yaml

Deployment 资源文件 nfs-provisioner-deploy.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
name: nfs-client-provisioner
labels:
app: nfs-client-provisioner
spec:
replicas: 1
strategy:
type: Recreate ## 设置升级策略为删除再创建(默认为滚动更新)
selector:
matchLabels:
app: nfs-client-provisioner
template:
metadata:
labels:
app: nfs-client-provisioner
spec:
serviceAccountName: nfs-client-provisioner
containers:
- name: nfs-client-provisioner
#image: gcr.io/k8s-staging-sig-storage/nfs-subdir-external-provisioner:v4.0.2
image: registry.cn-hangzhou.aliyuncs.com/lfy_k8s_images/nfs-subdir-external-provisioner:v4.0.2
volumeMounts:
- name: nfs-client-root
mountPath: /persistentvolumes
env:
- name: PROVISIONER_NAME ## Provisioner的名称,以后设置的storageclass要和这个保持一致
value: nfs-client
- name: NFS_SERVER ## NFS服务器地址,需和valumes参数中配置的保持一致
value: 192.168.31.131
- name: NFS_PATH ## NFS服务器数据存储目录,需和valumes参数中配置的保持一致
value: /nfs目录
volumes:
- name: nfs-client-root
nfs:
server: 192.168.31.131 ## NFS服务器地址
path: /nfs目录 ## NFS服务器数据存储目录

kubectl apply -f nfs-provisioner-deploy.yaml -n kube-system

nfs-storageclass.yaml

apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
name: nfs-storage
annotations:
storageclass.kubernetes.io/is-default-class: "false" ## 是否设置为默认的storageclass
provisioner: nfs-client ## 动态卷分配者名称,必须和上面创建的"provisioner"变量中设置的Name一致
parameters:
archiveOnDelete: "true" ## 设置为"false"时删除PVC不会保留数据,"true"则保留数据
mountOptions:
- hard ## 指定为硬挂载方式
- nfsvers=4 ## 威联通nas里面有开通v4的选项

kubectl apply -f nfs-storageclass.yaml

test-pvc.yaml

kind: PersistentVolumeClaim
apiVersion: v1
metadata:
name: test-pvc
spec:
storageClassName: nfs-storage ## 需要与上面创建的storageclass的名称一致
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Mi

kubectl apply -f test-pvc.yaml