'Return received image tag as a normalized (X, Y) minor version tuple.'

def get_openshift_version_tuple(self):

    version = self.get_var('openshift_image_tag')
    comps = [int(component) for component in re.findall('\\d+', version)]
    if (len(comps) < 2):
        msg = 'An    invalid    version    of    OpenShift    was    found    for    this    host:    {}'
        raise OpenShiftCheckException(msg.format(version))
    comps[0] = self.map_major_release_version.get(comps[0], comps[0])
    return tuple(comps[0:2])
