def METHOD_NAME(self, value):
    # only get first info block
    data = next(iter(value), {})
    version = data.get('Version', None)
    if version is not None:
        self.log.debug('found hadoop version %s', version)
        # account for possible build data e.g.:
        # 3.1.3, rba631c436b806728f8ec2f54ab1e289526c90579
        version = version.replace(', ', '+')
        self.set_metadata('version', version)
    else:
        self.log.warning('could not retrieve hadoop version information, this was data retrieved: %s', data)