vendor files

vendor/github.com/kubernetes-csi/drivers/pkg/nfs/nodeserver.go

@@ -0,0 +1,101 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package nfs
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/container-storage-interface/spec/lib/go/csi"
+	"golang.org/x/net/context"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"k8s.io/kubernetes/pkg/util/mount"
+	"k8s.io/kubernetes/pkg/volume/util"
+
+	"github.com/kubernetes-csi/drivers/pkg/csi-common"
+)
+
+type nodeServer struct {
+	*csicommon.DefaultNodeServer
+}
+
+func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublishVolumeRequest) (*csi.NodePublishVolumeResponse, error) {
+	targetPath := req.GetTargetPath()
+	notMnt, err := mount.New("").IsLikelyNotMountPoint(targetPath)
+	if err != nil {
+		if os.IsNotExist(err) {
+			if err := os.MkdirAll(targetPath, 0750); err != nil {
+				return nil, status.Error(codes.Internal, err.Error())
+			}
+			notMnt = true
+		} else {
+			return nil, status.Error(codes.Internal, err.Error())
+		}
+	}
+
+	if !notMnt {
+		return &csi.NodePublishVolumeResponse{}, nil
+	}
+
+	mo := req.GetVolumeCapability().GetMount().GetMountFlags()
+	if req.GetReadonly() {
+		mo = append(mo, "ro")
+	}
+
+	s := req.GetVolumeAttributes()["server"]
+	ep := req.GetVolumeAttributes()["exportPath"]
+	source := fmt.Sprintf("%s:%s", s, ep)
+
+	mounter := mount.New("")
+	err = mounter.Mount(source, targetPath, "nfs", mo)
+	if err != nil {
+		if os.IsPermission(err) {
+			return nil, status.Error(codes.PermissionDenied, err.Error())
+		}
+		if strings.Contains(err.Error(), "invalid argument") {
+			return nil, status.Error(codes.InvalidArgument, err.Error())
+		}
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	return &csi.NodePublishVolumeResponse{}, nil
+}
+
+func (ns *nodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpublishVolumeRequest) (*csi.NodeUnpublishVolumeResponse, error) {
+	targetPath := req.GetTargetPath()
+	notMnt, err := mount.New("").IsLikelyNotMountPoint(targetPath)
+
+	if err != nil {
+		if os.IsNotExist(err) {
+			return nil, status.Error(codes.NotFound, "Targetpath not found")
+		} else {
+			return nil, status.Error(codes.Internal, err.Error())
+		}
+	}
+	if notMnt {
+		return nil, status.Error(codes.NotFound, "Volume not mounted")
+	}
+
+	err = util.UnmountPath(req.GetTargetPath(), mount.New(""))
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	return &csi.NodeUnpublishVolumeResponse{}, nil
+}