def ex_get_tag_key_by_name(self, name):
        """
        Get a specific tag key by Name

        :param name: Name of the tag key you want (required)
        :type  name: ``str``

        :rtype: :class:`DimensionDataTagKey`
        """
        tag_keys = self.ex_list_tag_keys(name=name)
        if len(tag_keys) != 1:
            raise ValueError("No tags found with name %s" % name)
        return tag_keys[0]
dataset/ETHPy150Open apache/libcloud/libcloud/compute/drivers/dimensiondata.py/DimensionDataNodeDriver.ex_get_tag_key_by_name/original