stage_parser.py 文件源码

def render(file_name):
        """
        This function makes use of slsutil salt module to render sls files
        Args:
            file_name (str): the sls file path
        """
        err = StringIO.StringIO()
        out = StringIO.StringIO()
        exception = None
        with redirect_stderr(err):
            with redirect_stdout(out):
                try:
                    result = SLSRenderer.caller.cmd('slsutil.renderer', file_name)
                except salt.exceptions.SaltException as ex:
                    exception = StageRenderingException(file_name, ex.strerror)

        if exception:
            # pylint: disable=E0702
            raise exception

        logger.info("Rendered SLS file %s, stdout\n%s", file_name, out.getvalue())
        logger.debug("Rendered SLS file %s, stderr\n%s", file_name, err.getvalue())
        return result, out.getvalue(), err.getvalue()