def METHOD_NAME(self):
    import glob
    l = glob.glob('/OVS/Repositories/*/VirtualMachines/'+self.uuid+'/vm.cfg')+glob.glob(os.path.join(self.xen_d, self.uuid))
    if len(l) > 1:
        self.log.warning("%d configuration files found in repositories (%s)"%(len(l), str(l)))
    elif len(l) == 0:
        raise ex.Error("no configuration file found in repositories")
    return l[0]