code: func (ss *scaleSet) GetDataDisks(nodeName types.NodeName) ([]compute.DataDisk, error) {
  	_, _, vm, err := ss.getVmssVM(string(nodeName))
  	if err != nil {
  		return nil, err
  	}
  
  	if vm.StorageProfile == nil || vm.StorageProfile.DataDisks == nil {
  		return nil, nil
  	}
  
  	return *vm.StorageProfile.DataDisks, nil
  }
docs: // GetDataDisks gets a list of data disks attached to the node.