Hi,
I also noticed the same problem. The cause is to set up oslo.config before
loading app_lists in ryu-manager. I will send the patch to fix this problem.
Thanks,
Satoshi
2013/8/27 Q Lady <[email protected]>
> when i upgrade from 1.9 to 2.2, I cant use swithes.py
> I have delelte /usr/local/lib/python2.7/dist-packages/ryu
> /usr/local/lib/python2.7/dist-packages/ryu-1.8-egg-info
> /usr/local/lib/python2.7/dist-packages/ryu-1.9-egg-info
>
> then reinstall ryu 2.2 from the source ,then I get the following error
>
> How can I resolve it ?
> Thanks
>
> ryu-manager --verbose --observe-links ryu/topology/switches.py
> loading app ryu/topology/switches.py
> Traceback (most recent call last):
> File "/usr/local/bin/ryu-manager", line 90, in <module>
> main()
> File "/usr/local/bin/ryu-manager", line 68, in main
> app_mgr.load_apps(app_lists)
> File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py",
> line 171, in load_apps
> cls = self.load_app(app_cls_name)
> File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py",
> line 153, in load_app
> mod = utils.import_module(name)
> File "/usr/local/lib/python2.7/dist-packages/ryu/utils.py", line 50, in
> import_module
> __import__(name)
> File "/home/holyn/ryu/ryu/topology/switches.py", line 52, in <module>
> help='link discovery: explicitly drop lldp packet in')
> File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line
> 1125, in __inner
> return f(self, *args, **kwargs)
> File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line
> 1279, in register_cli_opts
> self.register_cli_opt(opt, group, clear_cache=False)
> File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line
> 1125, in __inner
> return f(self, *args, **kwargs)
> File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line
> 1271, in register_cli_opt
> raise ArgsAlreadyParsedError("cannot register CLI option")
> oslo.config.cfg.ArgsAlreadyParsedError: arguments already parsed: cannot
> register CLI option
>
>
>
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>
--
Satoshi Kobayashi <[email protected]>
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