On Fri, 15 Nov 2019 00:53:35 +0900,
William Stout wrote:
> Tried on Ubuntu 18.04/16.04, Python 3.6/2.7 with Ryu 4.34
> Set up TLS according the latest Ryu readthedocs, using five ovs bridges.
> Tested PKI with ovs-testcontroller, everything works.
> When using Ryu with same PKI, only the first switch connects, all others fail
> citing "no certfile for server side."
>
> I added some print statements to hub.py and controller.py (FUNC, ARGS,
> KWARGS, etc..); I've boldfaced the ssl_args for the <first switch> and
> <second switch> attempted connections.
> <second switch>
>
> FUNC <function StreamServer.__init__.<locals>.wrap_and_handle at
> 0x7f5ea6053730>
> ARGS (<eventlet.greenio.base.GreenSocket object at 0x7f5ea60b1eb8>,
> ('172.16.0.4', 36972))
> KWARGS {}
> SSL_ARGS {'server_side': True}
> hub: uncaught exception: Traceback (most recent call last):
> File "/home/wmstout/.local/lib/python3.6/site-packages/ryu/lib/hub.py",
> line 63, in _launch
> return func(*args, **kwargs)
> File "/home/wmstout/.local/lib/python3.6/site-packages/ryu/lib/hub.py",
> line 146, in wrap_and_handle
> handle(ssl.wrap_socket(sock, **ssl_args), addr)
> File
> "/home/wmstout/.local/lib/python3.6/site-packages/eventlet/green/ssl.py",
> line 415, in wrap_socket
> return GreenSSLSocket(sock, *a, **kw)
> File
> "/home/wmstout/.local/lib/python3.6/site-packages/eventlet/green/ssl.py",
> line 106, in __init__
> ca_certs, do_handshake_on_connect and six.PY2, *args, **kw)
> File "/usr/lib/python3.6/ssl.py", line 739, in __init__
> raise ValueError("certfile must be specified for server-side "
> ValueError: certfile must be specified for server-side operations
As written in the error message, you need to supply a certfile.
--
IWAMOTO Toshihiro
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