feat: implement CreateVolume and DeleteVolume

Signed-off-by: Mayank Shah <mayankshah1614@gmail.com>

.github/workflows/sanity.yaml

@@ -11,9 +11,6 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
-      - name: Install nfs-common
-        run: |
-          sudo apt-get install -y nfs-common
       - name: Run tests
         run: |
-          make sanity-test
+          sudo make sanity-test

Makefile

@@ -43,4 +43,4 @@ local-k8s-uninstall:
 	kubectl delete -f $(DEPLOY_FOLDER)/csi-nfs-node.yaml --ignore-not-found
 	kubectl delete -f $(DEPLOY_FOLDER)/csi-nfs-driverinfo.yaml --ignore-not-found
 	kubectl delete -f $(DEPLOY_FOLDER)/rbac-csi-nfs-controller.yaml --ignore-not-found
-	echo "Uninstalled NFS driver"
+	echo "Uninstalled NFS driver"

deploy/kubernetes/csi-nfs-controller.yaml

@@ -70,6 +70,7 @@ spec:
             allowPrivilegeEscalation: true
           imagePullPolicy: IfNotPresent
           args:
+            - "-v=5"
             - "--nodeid=$(NODE_ID)"
             - "--endpoint=$(CSI_ENDPOINT)"
           env:
@@ -104,4 +105,4 @@ spec:
             path: /var/lib/kubelet/pods
             type: Directory
         - name: socket-dir
-          emptyDir: {}
+          emptyDir: {}

deploy/kubernetes/csi-nfs-node.yaml

@@ -43,6 +43,7 @@ spec:
             allowPrivilegeEscalation: true
           image: quay.io/k8scsi/nfsplugin:v2.0.0
           args :
+            - "-v=5"
             - "--nodeid=$(NODE_ID)"
             - "--endpoint=$(CSI_ENDPOINT)"
           env:

examples/kubernetes/statefulset.yaml

@@ -0,0 +1,42 @@
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: statefulset-nfs
+  labels:
+    app: nginx
+spec:
+  serviceName: statefulset-nfs
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      nodeSelector:
+        "kubernetes.io/os": linux
+      containers:
+        - name: statefulset-nfs
+          image: mcr.microsoft.com/oss/nginx/nginx:1.17.3-alpine
+          command:
+            - "/bin/sh"
+            - "-c"
+            - while true; do echo $(date) >> /mnt/nfs/outfile; sleep 1; done
+          volumeMounts:
+            - name: persistent-storage
+              mountPath: /mnt/nfs
+  updateStrategy:
+    type: RollingUpdate
+  selector:
+    matchLabels:
+      app: nginx
+  volumeClaimTemplates:
+    - metadata:
+        name: persistent-storage
+        annotations:
+          volume.beta.kubernetes.io/storage-class: nfs-csi
+      spec:
+        accessModes: ["ReadWriteOnce"]
+        resources:
+          requests:
+            storage: 10Gi

examples/kubernetes/storageclass-nfs.yaml

@@ -0,0 +1,14 @@
+---
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: nfs-csi
+provisioner: nfs.csi.k8s.io
+parameters:
+  server: nfs-server.default.svc.cluster.local
+  share: /
+reclaimPolicy: Retain  # only retain is supported
+volumeBindingMode: Immediate
+mountOptions:
+  - hard
+  - nfsvers=4.1