Hi Stefan, comments inline
On 13 November 2013 10:11, Stefan Kooman <ste...@bit.nl> wrote: > Hi list, > > Currently there is no option to enable IPv6 for novnc-server > (websockify) although websockify supports this. I've made a little > (dirty) hack to enable IPv6 for websockify: > > --- /root/OpenNebulaVNC.rb 2013-11-08 21:37:13.958535135 +0100 > +++ /usr/lib/one/ruby/OpenNebulaVNC.rb 2013-11-09 22:08:12.951812886 +0100 > @@ -70,7 +70,7 @@ > > @pipe = nil > @token_folder = File.join(VAR_LOCATION, opts[:token_folder_name]) > - @proxy_path = File.join(SHARE_LOCATION, > "websockify/websocketproxy.py") > + @proxy_path = File.join(SHARE_LOCATION, > "websockify/websocketproxy.py -6") > @proxy_port = config[:vnc_proxy_port] > > @wss = config[:vnc_proxy_support_wss] > > If sunstone is reachable over IPv6 your clients might want to reach the > websockify port over IPv6 as well, if they want to make a VNC > connection. It would be nice to have a config option in > sunstone-server.conf to influence this behaviour (i.e :vnc_proxy_ipv6: > yes/no). > > It makes sense, I have created a ticket to add this parameter http://dev.opennebula.org/issues/2454 > One of the hints in documentation [1] debugging novnc-server / > websockify is to run it on a console. But if you do this sunstone will > give an error message "VNC server is not running" and will refuse to > initiate a vnc session. Sure, you can hack your way around this but it > would be nice if either the check in OpenNebulaVNC.rb would be adjusted > to figure out if there's really nothing listening on vnc port (instead > of depending on lock file) or include a "debug" option so it skips this > check altogether. > Yes, the documentation should include that you have to generate the lock file, otherwise the sunstone-server will not work, or modify the code to include one of your suggestions. (patches are more than welcome) > > Another thing biting me are the functions in OpenNebulaVNC.rb creating > and removing the sunstone_vnc_tokens directory. The directory is created > with oneadmin as owner and group. If you're running sunstone with Apache > Passenger it depends on the user you're running passenger with if it's > able to write new tokens or not. Documentation assumes passenger runs > as user www-data [2] (although you can easily change that). With the > default configuration passenger is not allowed to write tokens in that > directory and an error will be thrown. It would be nice if OpenNebulaVNC > could check what user passenger runs as, and create the directory > accordingly. What is the reason this directory should be created "on the > fly" > anyway? It seems to complicate things a bit. > You are right, the dir should not be recreated if it already exists http://dev.opennebula.org/issues/2455 > > Finally, when running "websockify" on command line in "debug" mode it > gives the > folllowing warning: > > "WARNING: no 'numpy' module, HyBi protocol is slower or disabled > WebSocket server settings" > > Is python-numpy indeed a "performance accelerator" in this case? If so, > I think this should be (at least) a (recommended) dependency for > sunstone. Documentation does mention python-numby so I guess it does > help [1]. > Yes, it is recommended since it uses some optimized C code instead of python. I will include it in the docs. Thank you for your great feedback > > Cheers, > > Stefan > > [1]: http://opennebula.org/documentation:rel4.2:sunstone > [2]: http://opennebula.org/documentation:rel4.2:suns_advance > > > -- > | BIT BV http://www.bit.nl/ Kamer van Koophandel 09090351 > | GPG: 0xD14839C6 +31 318 648 688 / i...@bit.nl > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.10 (GNU/Linux) > > iF4EAREIAAYFAlKDQkEACgkQTyGgYdFIOcZeLAEAiRmrySJ9GHtyVjyIepIJ77ct > 2abudHSLdsPLFzXNavcBAJ3SQn5mFkOtZCBSx9KehF16/HqMpA7Hh0D4SebulA4q > =IJTP > -----END PGP SIGNATURE----- > > _______________________________________________ > Users mailing list > Users@lists.opennebula.org > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org > > -- -- Daniel Molina Project Engineer OpenNebula - Flexible Enterprise Cloud Made Simple www.OpenNebula.org | dmol...@opennebula.org | @OpenNebula
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