Hi all,
I am experimenting with Ryu 3.2 package and having some problem running
ryu/topology/switches.py. I don't know if I miss anything so I hope you guys
can pin point some directions.
I ran :
./bin/ryu-manager --verbose --observe-links ./ryu/app/simple_switch_13.py
./ryu/app/client_13.py ./ryu/app/rest_topology.py ./ryu/app/ofctl_rest.py
./ryu/topology/switches.py
loading app ./ryu/app/simple_switch_13.py
loading app ./ryu/app/client_13.py
loading app ./ryu/app/rest_topology.py
loading app ./ryu/app/ofctl_rest.py
loading app ./ryu/topology/switches.py
Traceback (most recent call last):
File "./bin/ryu-manager", line 19, in <module>
main()
File "/usr/local/lib/python2.7/dist-packages/ryu/cmd/manager.py", line 68, in
main
app_mgr.load_apps(app_lists)
File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line
175, in load_apps
cls = self.load_app(app_cls_name)
File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line
157, in load_app
mod = utils.import_module(name)
File "/usr/local/lib/python2.7/dist-packages/ryu/utils.py", line 86, in
import_module
__import__(name)
File "/home/fmadmin/dev/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 1579,
in __inner
result = f(self, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1739,
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 1583,
in __inner
return f(self, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1731,
in register_cli_opt
raise ArgsAlreadyParsedError("cannot register CLI option")
oslo.config.cfg.ArgsAlreadyParsedError: arguments already parsed: cannot
register CLI option
So I went in utils.py and added:
name = name[:-3]
+ try:
+ LOG.debug('Reimport mod %s' %name)
+ __import__(name)
+ except cfg.ArgsAlreadyParsedError:
+ for key in sys.modules.keys():
+ if key.endswith(name):
+ sys.path = opath
+ return sys.modules[key]
sys.path = opath
That by passed the ArgsAlreadyParsedError, but then I got into the "no such
option: install_lldp_flow"
./bin/ryu-manager --verbose --observe-links ./ryu/app/simple_switch_13.py
./ryu/app/client_13.py ./ryu/app/rest_topology.py ./ryu/app/ofctl_rest.py
./ryu/topology/switches.py
loading app ./ryu/app/simple_switch_13.py
loading app ./ryu/app/client_13.py
loading app ./ryu/app/rest_topology.py
loading app ./ryu/app/ofctl_rest.py
loading app ./ryu/topology/switches.py
loading app ryu.controller.ofp_handler
creating context dpset
creating context wsgi
instantiating app ./ryu/app/simple_switch_13.py
instantiating app ./ryu/topology/switches.py
Traceback (most recent call last):
File "./bin/ryu-manager", line 19, in <module>
main()
File "/usr/local/lib/python2.7/dist-packages/ryu/cmd/manager.py", line 70, in
main
app_mgr.instantiate_apps(**contexts)
File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line
212, in instantiate_apps
app = cls(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/ryu/topology/switches.py", line
454, in __init__
self.install_flow = CONF.install_lldp_flow
File "/usr/local/lib/python2.7/dist-packages/oslo/config/cfg.py", line 1648,
in __getattr__
raise NoSuchOptError(name)
oslo.config.cfg.NoSuchOptError: no such option: install_lldp_flow
Tried adding --install-lldp-flow to the command line with no success.
Thanks
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