#NEWLINE# def validate( self , task ) : #NEWLINE# #INDENT# 'Validate the driver_info in the node.\n\n        Check if the driver_info contains correct required fields.\n\n        :param task: a TaskManager instance containing the target node.\n        :raises: MissingParameterValue if any required parameters are missing.\n        :raises: InvalidParameterValue if any parameters have invalid values.\n        ' #NEWLINE# msftocs_common . parse_driver_info ( self . node )