mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-13 01:40:23 +00:00
133 lines
3.4 KiB
Go
133 lines
3.4 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 cinder
|
|
|
|
import (
|
|
"github.com/container-storage-interface/spec/lib/go/csi"
|
|
"github.com/golang/glog"
|
|
"golang.org/x/net/context"
|
|
"google.golang.org/grpc/codes"
|
|
"google.golang.org/grpc/status"
|
|
|
|
"github.com/kubernetes-csi/drivers/pkg/cinder/mount"
|
|
csicommon "github.com/kubernetes-csi/drivers/pkg/csi-common"
|
|
)
|
|
|
|
type nodeServer struct {
|
|
*csicommon.DefaultNodeServer
|
|
}
|
|
|
|
func (ns *nodeServer) GetNodeID(ctx context.Context, req *csi.GetNodeIDRequest) (*csi.GetNodeIDResponse, error) {
|
|
|
|
// Get Mount Provider
|
|
m, err := mount.GetMountProvider()
|
|
if err != nil {
|
|
glog.V(3).Infof("Failed to GetMountProvider: %v", err)
|
|
return nil, err
|
|
}
|
|
|
|
nodeID, err := m.GetInstanceID()
|
|
if err != nil {
|
|
glog.V(3).Infof("Failed to GetInstanceID: %v", err)
|
|
return nil, err
|
|
}
|
|
|
|
if len(nodeID) > 0 {
|
|
return &csi.GetNodeIDResponse{
|
|
NodeId: nodeID,
|
|
}, nil
|
|
}
|
|
|
|
// Using default function
|
|
return ns.DefaultNodeServer.GetNodeID(ctx, req)
|
|
}
|
|
|
|
func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublishVolumeRequest) (*csi.NodePublishVolumeResponse, error) {
|
|
|
|
targetPath := req.GetTargetPath()
|
|
fsType := req.GetVolumeCapability().GetMount().GetFsType()
|
|
devicePath := req.GetPublishVolumeInfo()["DevicePath"]
|
|
|
|
// Get Mount Provider
|
|
m, err := mount.GetMountProvider()
|
|
if err != nil {
|
|
glog.V(3).Infof("Failed to GetMountProvider: %v", err)
|
|
return nil, err
|
|
}
|
|
|
|
// Device Scan
|
|
err = m.ScanForAttach(devicePath)
|
|
if err != nil {
|
|
glog.V(3).Infof("Failed to ScanForAttach: %v", err)
|
|
return nil, err
|
|
}
|
|
|
|
// Verify whether mounted
|
|
notMnt, err := m.IsLikelyNotMountPointAttach(targetPath)
|
|
if err != nil {
|
|
return nil, status.Error(codes.Internal, err.Error())
|
|
}
|
|
|
|
// Volume Mount
|
|
if notMnt {
|
|
// Get Options
|
|
var options []string
|
|
if req.GetReadonly() {
|
|
options = append(options, "ro")
|
|
} else {
|
|
options = append(options, "rw")
|
|
}
|
|
mountFlags := req.GetVolumeCapability().GetMount().GetMountFlags()
|
|
options = append(options, mountFlags...)
|
|
|
|
// Mount
|
|
err = m.FormatAndMount(devicePath, targetPath, fsType, options)
|
|
if err != nil {
|
|
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()
|
|
|
|
// Get Mount Provider
|
|
m, err := mount.GetMountProvider()
|
|
if err != nil {
|
|
glog.V(3).Infof("Failed to GetMountProvider: %v", err)
|
|
return nil, err
|
|
}
|
|
|
|
notMnt, err := m.IsLikelyNotMountPointDetach(targetPath)
|
|
if err != nil {
|
|
return nil, status.Error(codes.Internal, err.Error())
|
|
}
|
|
if notMnt {
|
|
return nil, status.Error(codes.NotFound, "Volume not mounted")
|
|
}
|
|
|
|
err = m.UnmountPath(req.GetTargetPath())
|
|
if err != nil {
|
|
return nil, status.Error(codes.Internal, err.Error())
|
|
}
|
|
|
|
return &csi.NodeUnpublishVolumeResponse{}, nil
|
|
}
|