[Openstack] [nova] secure websocket (wss) and websocketproxy setup for serial console
Markus Zoeller
mzoeller at de.ibm.com
Tue May 12 15:20:14 UTC 2015
> Yeah, you will need:
>
> DEFAULT/ssl_ca_file
> DEFAULT/ssl_cert_file
> DEFAULT/ssl_key_file
>
> In nova.conf. IIRC that?s all that?s needed to enable SSL on this.
>
> I don?t remember exactly, but that may turn on SSL for other nova
services
> as well (spice proxy, etc.) So just be aware of that.
>
> Mike
I have a bit trouble to apply your suggestions. Is there a specific
way how to generate the files which will be linked from
DEFAULT/ssl_ca_file
DEFAULT/ssl_cert_file
DEFAULT/ssl_key_file
Do I do this as "nova" user? Do the files have to be in a specific
folder with specific permissions?
> On 5/8/15, 7:05 AM, "Markus Zoeller" <mzoeller at de.ibm.com> wrote:
>
> >How do I setup a secure websocket connection (wss) for the
> >nova-serialproxy service? I have the following setting on the
> >compute node (nova.conf):
> > [serial_console]
> > enabled = True
> > base_url = wss://<ip-of-controller-node>:6083/ # wss !!
> > proxyclient_address = <ip-of-compute-node>
> >
> >As soon as I want to use that with Horizon (via https) the
> >nova-serialproxy service logs this trace (from the module
> >"nova.console.websocketproxy"; timestamps and location truncated):
> >
> > [...] [-] exception vmsg
> >/usr/lib/python2.7/site-packages/websockify/websocket.py:824
> > Traceback (most recent call last):
> > File "/usr/lib/python2.7/site-packages/websockify/websocket.py",
> >line 874, in top_new_client
> > client = self.do_handshake(startsock, address)
> > File "/usr/lib/python2.7/site-packages/websockify/websocket.py",
> >line 786, in do_handshake
> > keyfile=self.key)
> > File "/usr/lib/python2.7/site-packages/eventlet/green/ssl.py",
> >line
> >339, in wrap_socket
> > return GreenSSLSocket(sock, *a, **kw)
> > File "/usr/lib/python2.7/site-packages/eventlet/green/ssl.py",
> >line
> >64, in __init__
> > ca_certs, do_handshake_on_connect and six.PY2, *args, **kw)
> > File "/usr/lib64/python2.7/ssl.py", line 141, in __init__
> > ciphers)
> > SSLError: [Errno 336265225] _ssl.c:351: error:140B0009:SSL
> >routines:SSL_CTX_use_PrivateKey_file:PEM lib
> >
> >I assume that I have to set the "nova.conf" options "cert" and "key"
> >([DEFAULT] section) on the controller node but I couldn't figure out
> >the right setup.
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