fix VolumeExpansion not work

deploy/helm/seaweedfs-csi-driver/templates/rbac.yml

@@ -13,6 +13,9 @@ rules:
   - apiGroups: [""]
     resources: ["persistentvolumeclaims"]
     verbs: ["get", "list", "watch", "update"]
+  - apiGroups: [ "" ]
+    resources: [ "persistentvolumeclaims/status" ]
+    verbs: [ "get", "list", "watch", "update", "patch" ]
   - apiGroups: ["storage.k8s.io"]
     resources: ["storageclasses"]
     verbs: ["get", "list", "watch"]
@@ -25,6 +28,9 @@ rules:
   - apiGroups: ["snapshot.storage.k8s.io"]
     resources: ["volumesnapshotcontents"]
     verbs: ["get", "list"]
+  - apiGroups: [ "" ]
+    resources: [ "pods" ]
+    verbs: [ "get", "list", "watch" ]
 
 ---
 kind: ClusterRoleBinding

deploy/helm/seaweedfs-csi-driver/templates/statefulset.yml

@@ -49,6 +49,22 @@ spec:
           volumeMounts:
             - name: socket-dir
               mountPath: /var/lib/csi/sockets/pluginproxy/
+        # resizer
+        - name: csi-resizer
+          image: {{ .Values.csiResizer.image }}
+          args:
+            - "--v=5"
+            - "--csi-address=$(ADDRESS)"
+            - "--leader-election=false"
+          env:
+            - name: ADDRESS
+              value: /var/lib/csi/sockets/pluginproxy/csi.sock
+          imagePullPolicy: {{ .Values.imagePullPolicy }}
+          resources:
+            {{ toYaml .Values.csiAttacher.resources | nindent 12 }}
+          volumeMounts:
+            - name: socket-dir
+              mountPath: /var/lib/csi/sockets/pluginproxy/
         # SeaweedFs Plugin
         - name: seaweedfs-csi-plugin
           image: {{.Values.seaweedfsCsiPlugin.image}}

deploy/helm/seaweedfs-csi-driver/templates/storageclass.yml

@@ -8,4 +8,5 @@ metadata:
     storageclass.kubernetes.io/is-default-class: "true"
     {{- end }}
 provisioner: {{ .Values.driverName }}
+allowVolumeExpansion: true
 {{- end }}

deploy/helm/seaweedfs-csi-driver/values.yaml

@@ -19,6 +19,10 @@ csiAttacher:
   image: k8s.gcr.io/sig-storage/csi-attacher:v3.4.0
   resources: {}
 
+csiResizer:
+  image: k8s.gcr.io/sig-storage/csi-resizer:v1.4.0
+  resources: {}
+
 csiNodeDriverRegistrar:
   image: k8s.gcr.io/sig-storage/csi-node-driver-registrar:v2.5.0
   resources: {}

pkg/driver/controllerserver.go

@@ -187,11 +187,11 @@ func (cs *ControllerServer) ControllerExpandVolume(ctx context.Context, req *csi
 
 	client := mount_pb.NewSeaweedMountClient(clientConn)
 	_, err = client.Configure(context.Background(), &mount_pb.ConfigureRequest{
-		CollectionCapacity: req.CapacityRange.LimitBytes,
+		CollectionCapacity: req.CapacityRange.RequiredBytes,
 	})
 
 	return &csi.ControllerExpandVolumeResponse{
-		CapacityBytes: req.CapacityRange.LimitBytes,
+		CapacityBytes: req.CapacityRange.RequiredBytes,
 	}, err
 
 }

pkg/driver/nodeserver.go

@@ -136,7 +136,8 @@ func (ns *NodeServer) NodeGetCapabilities(ctx context.Context, req *csi.NodeGetC
 				Type: &csi.NodeServiceCapability_Rpc{
 					Rpc: &csi.NodeServiceCapability_RPC{
 						// Type: csi.NodeServiceCapability_RPC_STAGE_UNSTAGE_VOLUME,
-						Type: csi.NodeServiceCapability_RPC_UNKNOWN,
+						//Type: csi.NodeServiceCapability_RPC_UNKNOWN,
+						Type: csi.NodeServiceCapability_RPC_EXPAND_VOLUME,
 					},
 				},
 			},
@@ -181,11 +182,11 @@ func (ns *NodeServer) NodeExpandVolume(ctx context.Context, req *csi.NodeExpandV
 
 	client := mount_pb.NewSeaweedMountClient(clientConn)
 	_, err = client.Configure(context.Background(), &mount_pb.ConfigureRequest{
-		CollectionCapacity: req.CapacityRange.LimitBytes,
+		CollectionCapacity: req.CapacityRange.RequiredBytes,
 	})
 
 	return &csi.NodeExpandVolumeResponse{
-		CapacityBytes: req.CapacityRange.LimitBytes,
+		CapacityBytes: req.CapacityRange.RequiredBytes,
 	}, err
 }