k8s1.26 nfs-provisioner配置
value: nfs-provisioner # 和3.Storage中provisioner保持一致便可。
nfs-provisioner配置相对简单:
rbac配置
[root@k8s-1 nfs-provisioner]# cat sa.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
name: nfs-client-provisioner
# replace with namespace where provisioner is deployed
namespace: default
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: nfs-client-provisioner-runner
rules:
- apiGroups: [""]
resources: ["nodes"]
verbs: ["get", "list", "watch"]
- 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
# replace with namespace where provisioner is deployed
namespace: default
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
# replace with namespace where provisioner is deployed
namespace: default
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
# replace with namespace where provisioner is deployed
namespace: default
subjects:
- kind: ServiceAccount
name: nfs-client-provisioner
# replace with namespace where provisioner is deployed
namespace: default
roleRef:
kind: Role
name: leader-locking-nfs-client-provisioner
apiGroup: rbac.authorization.k8s.io
deployment配置
[root@k8s-1 nfs-provisioner]# cat deploy.yaml
kind: Deployment
apiVersion: apps/v1
metadata:
name: nfs-client-provisioner
spec:
replicas: 1
selector:
matchLabels:
app: nfs-client-provisioner
strategy:
type: Recreate
template:
metadata:
labels:
app: nfs-client-provisioner
spec:
serviceAccountName: nfs-client-provisioner
containers:
- name: nfs-client-provisioner
image: registry.cn-beijing.aliyuncs.com/mydlq/nfs-subdir-external-provisioner:v4.0.0
volumeMounts:
- name: nfs-client-root
mountPath: /persistentvolumes
env:
- name: PROVISIONER_NAME
value: nfs-provisioner # 和3.Storage中provisioner保持一致便可
- name: NFS_SERVER
value: 192.168.2.220
- name: NFS_PATH
value: /data/nfs_provisioner
volumes:
- name: nfs-client-root
nfs:
server: 192.168.2.220
path: /data/nfs_provisioner
storageclass配置
[root@k8s-1 nfs-provisioner]# cat storageclass.yaml
kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
annotations:
storageclass.kubernetes.io/is-default-class: "true"
name: nfs-storage
provisioner: nfs-provisioner
volumeBindingMode: Immediate
reclaimPolicy: Delete
应用部署
[root@k8s-1 nfs-provisioner]# kubectl apply -f sa.yaml
[root@k8s-1 nfs-provisioner]# kubectl apply -f deploy.yaml
[root@k8s-1 nfs-provisioner]# kubectl apply -f storageclass.yaml
[root@k8s-1 nfs-provisioner]# kubectl get pod |grep nfs
nfs-client-provisioner-7b6b68d687-pc2hz 1/1 Running 0 75m
测试:
[root@k8s-1 nfs-provisioner]# cat nginx_sts_pvc.yaml
apiVersion: v1
kind: Service
metadata:
name: nginx
labels:
app: nginx
spec:
ports:
- port: 80
name: web
clusterIP: None
selector:
app: nginx
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: web
spec:
serviceName: "nginx"
replicas: 2
selector:
matchLabels:
app: nginx
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx
ports:
- containerPort: 80
name: web
volumeMounts:
- name: www
mountPath: /usr/share/nginx/html
volumeClaimTemplates:
- metadata:
name: www
spec:
accessModes: [ "ReadWriteOnce" ]
storageClassName: "nfs-storage"
resources:
requests:
storage: 10Mi
[root@k8s-1 nfs-provisioner]# kubectl apply -f nginx_sts_pvc.yaml
service/nginx created
statefulset.apps/web created
[root@k8s-1 nfs-provisioner]# kubectl get pod -A |grep web
default web-0 1/1 Running 0 44s
default web-1 1/1 Running 0 41s
自动创建pv,pvc
[root@k8s-1 nfs-provisioner]# kubectl get pv,pvc |grep web
persistentvolume/pvc-1a4130ff-4c42-48b2-af27-2eac30b90e96 10Mi RWO Delete Bound default/www-web-0 nfs-storage 13h
persistentvolume/pvc-a41fd05f-94ec-4b56-8232-f65512486508 10Mi RWO Delete Bound default/www-web-1 nfs-storage 13h
persistentvolumeclaim/www-web-0 Bound pvc-1a4130ff-4c42-48b2-af27-2eac30b90e96 10Mi RWO nfs-storage 13h
persistentvolumeclaim/www-web-1 Bound pvc-a41fd05f-94ec-4b56-8232-f65512486508 10Mi RWO nfs-storage 13h
[root@k8s-1 nfs-provisioner]# kubectl get svc |grep nginx
nginx ClusterIP None <none> 80/TCP 3m43s
[root@k8s-1 nfs-provisioner]# curl web-1.nginx.default.svc.cluster.local
web-1
[root@k8s-1 nfs-provisioner]# curl web-0.nginx.default.svc.cluster.local
web-0
部署成功。
参考文章:https://www.kubebiz.com/wow/nfs-client-provisioner?k8sv=v1.24
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