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Merge pull request #15 from ressu/fix-unstage

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Logout iSCSI target on Unstage
This commit is contained in:
Chih Yu Wu
2022-02-23 14:30:00 +08:00
committed by GitHub
parent f4cbfc8392 7ba1bd8faa
commit f0066b40ca
1 changed files with 14 additions and 35 deletions
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49
pkg/driver/nodeserver.go
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@@ -20,7 +20,6 @@ import (
"context"
"fmt"
"os"
"strings"
"time"
"github.com/container-storage-interface/spec/lib/go/csi"
@@ -34,8 +33,8 @@ import (
)
type nodeServer struct {
Driver *Driver
Mounter *mount.SafeFormatAndMount
Driver *Driver
Mounter *mount.SafeFormatAndMount
dsmService interfaces.IDsmService
Initiator *initiatorDriver
}
@@ -122,7 +121,7 @@ func createTargetMountPath(mounter mount.Interface, mountPath string, isBlock bo
}
func (ns *nodeServer) loginTarget(volumeId string) error {
k8sVolume := ns.dsmService.GetVolume(volumeId);
k8sVolume := ns.dsmService.GetVolume(volumeId)
if k8sVolume == nil {
return status.Error(codes.NotFound, fmt.Sprintf("Volume[%s] is not found", volumeId))
@@ -152,7 +151,7 @@ func (ns *nodeServer) NodeStageVolume(ctx context.Context, req *csi.NodeStageVol
if volumeId == "" || stagingTargetPath == "" || volumeCapability == nil {
return nil, status.Error(codes.InvalidArgument,
"InvalidArgument: Please check volume ID, staging target path and volume capability.")
"InvalidArgument: Please check volume ID, staging target path and volume capability.")
}
// if block mode, skip mount
@@ -190,12 +189,11 @@ func (ns *nodeServer) NodeStageVolume(ctx context.Context, req *csi.NodeStageVol
}
func (ns *nodeServer) NodeUnstageVolume(ctx context.Context, req *csi.NodeUnstageVolumeRequest) (*csi.NodeUnstageVolumeResponse, error) {
if req.GetVolumeId() == "" { // Useless, just for sanity check
volumeID, stagingTargetPath := req.GetVolumeId(), req.GetStagingTargetPath()
if volumeID == "" {
return nil, status.Error(codes.InvalidArgument, "Volume ID missing in request")
}
stagingTargetPath := req.GetStagingTargetPath()
if stagingTargetPath == "" {
return nil, status.Error(codes.InvalidArgument, "Target path missing in request")
}
@@ -211,6 +209,8 @@ func (ns *nodeServer) NodeUnstageVolume(ctx context.Context, req *csi.NodeUnstag
}
}
ns.logoutTarget(volumeID)
return &csi.NodeUnstageVolumeResponse{}, nil
}
@@ -260,16 +260,17 @@ func (ns *nodeServer) NodePublishVolume(ctx context.Context, req *csi.NodePublis
}
func (ns *nodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpublishVolumeRequest) (*csi.NodeUnpublishVolumeResponse, error) {
volumeId, targetPath := req.GetVolumeId(), req.GetTargetPath()
if volumeId == "" {
if req.GetVolumeId() == "" { // Not needed, but still a mandatory field
return nil, status.Error(codes.InvalidArgument, "Volume ID missing in request")
}
targetPath := req.GetTargetPath()
if targetPath == "" {
return nil, status.Error(codes.InvalidArgument, "Target path missing in request")
}
if _, err := os.Stat(targetPath); err != nil {
if os.IsNotExist(err){
if os.IsNotExist(err) {
return &csi.NodeUnpublishVolumeResponse{}, nil
}
return nil, status.Errorf(codes.Internal, err.Error())
@@ -285,24 +286,6 @@ func (ns *nodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpu
return &csi.NodeUnpublishVolumeResponse{}, nil
}
needToLogout := true
list, err := ns.Mounter.Interface.GetMountRefs(targetPath)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
for _, path := range list {
filePrefix := "/var/lib/kubelet/pods/"
blkPrefix := "/var/lib/kubelet/plugins/kubernetes.io/csi/volumeDevices/publish/"
if strings.HasPrefix(path, filePrefix) || strings.HasPrefix(path, blkPrefix) {
needToLogout = false
break
}
}
if err := ns.Mounter.Interface.Unmount(targetPath); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
@@ -311,10 +294,6 @@ func (ns *nodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpu
return nil, status.Errorf(codes.Internal, "Failed to remove target path.")
}
if needToLogout {
ns.logoutTarget(volumeId)
}
return &csi.NodeUnpublishVolumeResponse{}, nil
}
@@ -400,4 +379,4 @@ func (ns *nodeServer) NodeExpandVolume(ctx context.Context, req *csi.NodeExpandV
}
return &csi.NodeExpandVolumeResponse{
CapacityBytes: sizeInByte}, nil
}
}