mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-02 19:20:23 +00:00
102 lines
2.8 KiB
Go
102 lines
2.8 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package nfs
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import (
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"fmt"
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"os"
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"strings"
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"github.com/container-storage-interface/spec/lib/go/csi"
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"golang.org/x/net/context"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"k8s.io/kubernetes/pkg/util/mount"
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"k8s.io/kubernetes/pkg/volume/util"
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"github.com/kubernetes-csi/drivers/pkg/csi-common"
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)
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type nodeServer struct {
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*csicommon.DefaultNodeServer
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}
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func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublishVolumeRequest) (*csi.NodePublishVolumeResponse, error) {
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targetPath := req.GetTargetPath()
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notMnt, err := mount.New("").IsLikelyNotMountPoint(targetPath)
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if err != nil {
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if os.IsNotExist(err) {
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if err := os.MkdirAll(targetPath, 0750); err != nil {
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return nil, status.Error(codes.Internal, err.Error())
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}
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notMnt = true
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} else {
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return nil, status.Error(codes.Internal, err.Error())
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}
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}
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if !notMnt {
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return &csi.NodePublishVolumeResponse{}, nil
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}
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mo := req.GetVolumeCapability().GetMount().GetMountFlags()
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if req.GetReadonly() {
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mo = append(mo, "ro")
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}
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s := req.GetVolumeAttributes()["server"]
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ep := req.GetVolumeAttributes()["exportPath"]
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source := fmt.Sprintf("%s:%s", s, ep)
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mounter := mount.New("")
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err = mounter.Mount(source, targetPath, "nfs", mo)
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if err != nil {
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if os.IsPermission(err) {
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return nil, status.Error(codes.PermissionDenied, err.Error())
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}
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if strings.Contains(err.Error(), "invalid argument") {
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return nil, status.Error(codes.InvalidArgument, err.Error())
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}
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return nil, status.Error(codes.Internal, err.Error())
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}
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return &csi.NodePublishVolumeResponse{}, nil
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}
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func (ns *nodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpublishVolumeRequest) (*csi.NodeUnpublishVolumeResponse, error) {
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targetPath := req.GetTargetPath()
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notMnt, err := mount.New("").IsLikelyNotMountPoint(targetPath)
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if err != nil {
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if os.IsNotExist(err) {
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return nil, status.Error(codes.NotFound, "Targetpath not found")
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} else {
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return nil, status.Error(codes.Internal, err.Error())
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}
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}
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if notMnt {
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return nil, status.Error(codes.NotFound, "Volume not mounted")
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}
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err = util.UnmountPath(req.GetTargetPath(), mount.New(""))
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if err != nil {
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return nil, status.Error(codes.Internal, err.Error())
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}
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return &csi.NodeUnpublishVolumeResponse{}, nil
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}
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