'Run a Python script as root on the node.
:param python_script: Name of script in
``flocker.acceptance.node_scripts`` to run.
:param argv: Additional arguments for the script.'

def run_script(self, python_script, *argv):

    script = NODE_SCRIPTS.child((python_script + '.py')).getContent()
    return self.run_as_root((['python2.7', '-c', script] + list(argv)))
