mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-18 04:10:22 +00:00
110 lines
3.2 KiB
Go
110 lines
3.2 KiB
Go
/*
|
|
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/v0"
|
|
"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()["share"]
|
|
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
|
|
}
|
|
|
|
func (ns *nodeServer) NodeUnstageVolume(ctx context.Context, req *csi.NodeUnstageVolumeRequest) (*csi.NodeUnstageVolumeResponse, error) {
|
|
return &csi.NodeUnstageVolumeResponse{}, nil
|
|
}
|
|
|
|
func (ns *nodeServer) NodeStageVolume(ctx context.Context, req *csi.NodeStageVolumeRequest) (*csi.NodeStageVolumeResponse, error) {
|
|
return &csi.NodeStageVolumeResponse{}, nil
|
|
}
|