#Example Conf File

[DEFAULT]

param1_int = 42
param2_str = "You read my data :)"
param3_list = 1,2,3
param4_float = 3.14

class SimpleSwitch13(app_manager.RyuApp):
    def __init__(self, *args, **kwargs):
    super(SimpleSwitch13, self).__init__(*args, **kwargs)
       :
    CONF = cfg.CONF
    CONF.register_opts([
        cfg.IntOpt('param1', default=0, help = ('The ultimate answer')),
        cfg.StrOpt('param2', default='default', help = ('A string')),
        cfg.ListOpt('param3', default = None, help = ('A list of workers')),
        cfg.DictOpt('param4_float', default = 0.0, help = ('Pi? Yummy.'))])

    print 'param1_int = %d'.format(CONF.param1_int))
    print 'param2_str = %s'.format(CONF.param2_str))
    print 'param3_list = %s'.format(CONF.param3_list))
    print 'param4_float = %s'.format(CONF.param4_float))

ryu-manager paramtest.py --config-file [PATH/TO/FILE/params.conf]