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cephfs: use IsMountPoint to check mountpoint

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Currently we are relaying on the error output from
the umount command we run on the nodes when mounting
the volume but we are not checking for all the error
message to verify the volume is mounted or not.
This commits uses IsMountPoint function in util
to check the mountpoint.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna 2021-06-07 11:00:03 +05:30 committed by mergify[bot]
parent b4dbffa316
commit 46f1ab9e99
1 changed files with 29 additions and 0 deletions
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29
internal/cephfs/nodeserver.go
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@ -264,6 +264,22 @@ func (ns *NodeServer) NodeUnpublishVolume(ctx context.Context, req *csi.NodeUnpu
}
defer ns.VolumeLocks.Release(volID)
isMnt, err := util.IsMountPoint(targetPath)
if err != nil {
if os.IsNotExist(err) {
// targetPath has already been deleted
util.DebugLog(ctx, "targetPath: %s has already been deleted", targetPath)
return &csi.NodeUnpublishVolumeResponse{}, nil
}
return nil, status.Error(codes.NotFound, err.Error())
}
if !isMnt {
if err = os.RemoveAll(targetPath); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &csi.NodeUnpublishVolumeResponse{}, nil
}
// Unmount the bind-mount
if err = unmountVolume(ctx, targetPath); err != nil {
return nil, status.Error(codes.Internal, err.Error())
@ -294,6 +310,19 @@ func (ns *NodeServer) NodeUnstageVolume(ctx context.Context, req *csi.NodeUnstag
defer ns.VolumeLocks.Release(volID)
stagingTargetPath := req.GetStagingTargetPath()
isMnt, err := util.IsMountPoint(stagingTargetPath)
if err != nil {
if os.IsNotExist(err) {
// targetPath has already been deleted
util.DebugLog(ctx, "targetPath: %s has already been deleted", stagingTargetPath)
return &csi.NodeUnstageVolumeResponse{}, nil
}
return nil, status.Error(codes.NotFound, err.Error())
}
if !isMnt {
return &csi.NodeUnstageVolumeResponse{}, nil
}
// Unmount the volume
if err = unmountVolume(ctx, stagingTargetPath); err != nil {
return nil, status.Error(codes.Internal, err.Error())