[Openstack-operators] Help with novnc proxy

Abel Lopez alopgeek at gmail.com
Wed Sep 18 17:27:50 UTC 2013


I have only 1 consoleauth, and I have memcached_servers set in nova.conf


On Wed, Sep 18, 2013 at 10:18 AM, Jeremy Hanmer <jeremy at dreamhost.com>wrote:

> Do you happen to have multiple nova-consoleauth services running?  If
> you do, you need to set up a shared memcache server for them to use
> (by setting memcached_servers=<IP> in nova.conf.
>
> On Wed, Sep 18, 2013 at 9:02 AM, Abel Lopez <alopgeek at gmail.com> wrote:
> > So, I've been playing around with novnc, to no avail. I'm wondering if
> I'm
> > running with old versions of python or python modules. I upgraded
> > websockify, because I noticed that I had many defunct processes, and I
> found
> > https://bugs.launchpad.net/nova/+bug/1048703
> >
> > Still, just gets me to 'Server Disconnected (code: 1006)"
> >
> >
> > On Fri, Sep 13, 2013 at 6:49 PM, Juan José Pavlik Salles
> > <jjpavlik at gmail.com> wrote:
> >>
> >> No problem Jonathan. Abel, could you try this:
> >>
> >> nova get-vnc-console instance-id novnc
> >>
> >> Does it work?
> >>
> >>
> >> 2013/9/13 Abel Lopez <alopgeek at gmail.com>
> >>>
> >>> Thanks both for the tips. I've tried both of your suggestions, and I
> >>> continue to get the 1006 error.
> >>> I do notice a brief mention in the VNC status bar about a handshake, I
> >>> wonder if SSL is required.
> >>>
> >>> On Sep 13, 2013, at 1:11 PM, Jonathan Proulx <jon at jonproulx.com>
> wrote:
> >>>
> >>> Hi Abel,
> >>>
> >>> You may be missing "vnc_enabled=True" on compute nodes.
> >>>
> >>>
> >>> Here's what I have usng same packages as you have:
> >>>
> >>> Controller:
> >>>
> >>> # grep vnc /etc/nova/nova.conf
> >>> novncproxy_port=6080
> >>> novncproxy_host=0.0.0.0
> >>>
> >>> Compute Node:
> >>> # grep vnc /etc/nova/nova.conf
> >>> vnc_enabled=True
> >>> vncserver_proxyclient_address=${node_ip}
> >>> novncproxy_base_url=http://${controller_ip}:6080/vnc_auto.html
> >>> vncserver_listen=0.0.0.0
> >>>
> >>> I believe Setting 'vncserver_listen=0.0.0.0' is required on the compute
> >>> hosts if you want migration to work, though I also think your
> configured IPs
> >>> should work in the non-migratory case.
> >>>
> >>> -Jon
> >>>
> >>> (PS apologies to Juan for accidentally sending this to him
> personally...)
> >>>
> >>>
> >>> On Fri, Sep 13, 2013 at 3:37 PM, Abel Lopez <alopgeek at gmail.com>
> wrote:
> >>>>
> >>>> Hello ops,
> >>>> I'm following the docs for setting novnc_proxy, and starting to get
> >>>> frustrated with the constant "Server disconnected (code: 1006)"
> message.
> >>>>
> >>>> I've setup nova.conf on my controller as:
> >>>> novncproxy_base_url=http://${public_ip}:6080/vnc_auto.html
> >>>> novncproxy_host=${public_ip}
> >>>> novncproxy_port=6080
> >>>>
> >>>> my compute nodes have
> >>>>
> >>>> novncproxy_base_url=http://
> ${public_ip_of_the_controller}:6080/vnc_auto.html
> >>>> vncserver_listen=${internal ip of this compute node}
> >>>> vncserver_proxyclient_address=${internal ip of this compute node}
> >>>>
> >>>> If I tail the nova-consoleauth.log while attempting to get a console,
> I
> >>>> see the correct internal IP for the compute node, and port for the VM.
> >>>> doing tcpdump on that port on the compute node shows nothing.
> >>>>
> >>>> if I telnet to the internal IP and vnc port, I get
> >>>> Escape character is '^]'.
> >>>> RFB 003.008
> >>>> ^]close
> >>>>
> >>>> and finally I see packets on the tcpdump.
> >>>>
> >>>> This is using ubuntu 12.04/grizzly
> >>>>
> >>>> nova-novncproxy                     1:2013.1.2-0ubuntu1~cloud0
> >>>> novnc
> 2012.2~20120906+dfsg-0ubuntu4~cloud0
> >>>> python-novnc
>  2012.2~20120906+dfsg-0ubuntu4~cloud0
> >>>>
> >>>> Any help or tips would be most appreciated.
> >>>> _______________________________________________
> >>>> OpenStack-operators mailing list
> >>>> OpenStack-operators at lists.openstack.org
> >>>>
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
> >>>
> >>>
> >>>
> >>>
> >>> _______________________________________________
> >>> OpenStack-operators mailing list
> >>> OpenStack-operators at lists.openstack.org
> >>>
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
> >>>
> >>
> >>
> >>
> >> --
> >> Pavlik Salles Juan José
> >
> >
> >
> > _______________________________________________
> > OpenStack-operators mailing list
> > OpenStack-operators at lists.openstack.org
> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
> >
>
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