[one-users] [beta] novnc python dependency CentOS

[Héctor Sanjuán]

Hello,

thanks for pointing this out. I have added a section to the Sunstone
documentation [1] about the vnc requirements.

Hector

[1] http://opennebula.org/documentation:rel3.0:sunstone#vnc_requirements

El 30/07/11 23:56, Rogier Mars escribió:
> Hi, 
> 
> I've installed Beta 3.0 on a test platform to see all the new features. It looks great!
> 
> I've enabled the novnc feature by running the install_novnc.sh script. This script finished successfully and the VNC icon showed in the web interface. However it did not work, and showed a "failed to connect" error in the VNC popup. 
> 
> After some troubleshooting and running the launch.sh script manually it showed that the default python version on CentOS5 is not supported: 
> 
> Traceback (most recent call last):
>   File "/usr/share/one/noVNC/utils/wsproxy.py", line 270, in ?
>     opts.target_host, sep, opts.target_port = args[1].rpartition(':')
> AttributeError: 'str' object has no attribute 'rpartition'
> Failed to start WebSockets proxy
> 
> The repartition attribute was only included in python 2.5 I think. I installed python26 from EPEL and updated the novnc python scripts to use python26 instead of the default system python. Now the proxy starts and works. 
> 
> As is mentioned in this bug http://dev.opennebula.org/issues/757 the VNC proxy currently only works when the VMs are running on the same host as OpenNebula. 
> 
> I'm not sure if the documentation includes the python dependency for CentOS5, I might have missed it. 
> 
> Best regards, 
> 
> Rogier
> 
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> 


-- 
Héctor Sanjuán
OpenNebula Sunstone Developer