openstack team mailing list archive

[Guilherme Birk <guibirk@xxxxxxxxxxx>]

Yeah, I saw this after I send the e-mail :P. Thanks.

Subject: Re: [Openstack] Dashboard VNC Console failed to connect to server
From: tres@xxxxxxxxxxxxx
Date: Mon, 2 Apr 2012 09:02:52 -0700
CC: openstack@xxxxxxxxxxxxxxxxxxx
To: guibirk@xxxxxxxxxxx



Question that might help debug the problem in FF: if you click on the "VNC Console" button in the Actions drop-down in the instances table (click the arrow next to "Edit Instance") that will launch the full page VNC client versus the in-tab VNC client on the instance detail page. Do you see any errors? Any JavaScript errors?
For the other browsers simply click on the grey status bar above the VNC window:
On Apr 2, 2012, at 7:07 AM, Guilherme Birk wrote:Anthony, It's working now. Thanks for your support. I'll take a look at the outdated flags at my config.
I have just a question, the novnc works on wich browsers? I've tried on firefox 10.0.2 and didn't worked. With chrome and IE I can connect to my instances, but can't use the keyboard.

Date: Fri, 30 Mar 2012 12:23:08 -0700
Subject: Re: [Openstack] Dashboard VNC Console failed to connect to server
From: sleepsonthefloor@xxxxxxxxx
To: guibirk@xxxxxxxxxxx
CC: openstack@xxxxxxxxxxxxxxxxxxx

On Fri, Mar 30, 2012 at 11:29 AM, Guilherme Birk <guibirk@xxxxxxxxxxx> wrote:
I installed the nova-consoleauth service and that resolved the problem of 404 not found. Now I'm getting a cannot connect to the server127.0.0.1:6080. The IP 127.0.0.1 is strange, because on my nova.conf file I have the following flags:
The 127.0.0.1 means that your flag is not taking effect.
If you are using essex you need:
--novncproxy_base_url=http://192.168.100.142:6080/vnc_auto.html
In https://review.openstack.org/6002 I explain that there are configuration options that have changed for essex, this is one of them.  Let me know if there is any way I can improve that explanation.
Is this a 1 machine deploy? Given that vncproxy_url (again that is an outdated flag) references the same ip as the compute host, your configs would only work for all-in-one.
A

--vncserver_listen=192.168.100.142
--vncserver_proxyclient_address=192.168.100.142
--vncproxy_url=http://192.168.100.142:6080
--vnc_console_proxy_url=http://192.168.100.142:6080

My problem could be because of the localhost IP? I've already tried the port 6081, but with no success.

From: lucianthomaz@xxxxxxxxxxx
To: sleepsonthefloor@xxxxxxxxx
Date: Fri, 30 Mar 2012 16:30:05 +0000
CC: openstack@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Openstack] Dashboard VNC Console failed to connect to server

Anthony, I tried to add this flags there and do some more things but I didn't have sucess yet.

I made a question in launchpad with all my network configurations and my log. Can you see that please?

Thank you.

https://answers.launchpad.net/nova/+question/192153


Lucian Thomaz


Date: Thu, 29 Mar 2012 12:28:24 -0700
Subject: Re: [Openstack] Dashboard VNC Console failed to connect to server
From: sleepsonthefloor@xxxxxxxxx
To: lucianthomaz@xxxxxxxxxxx
CC: openstack@xxxxxxxxxxxxxxxxxxx

Here are several flags that you must set on your compute host for a multi host deploy:
:option:`--vncserver_listen` - defaults to 127.0.0.1 This is the address that vncservers will bind, and should be overridden in production deployments as a private address. Applies to libvirt only. For multi-host libvirt deployments this should be set to a host management ip on the same network as the proxies.:option:`--vncserver_proxyclient_address` - defaults to 127.0.0.1 This is the address of the compute host that nova will instruct proxies to use when connecting to instance vncservers. For all-in-one xen server domU deployments this can be set to 169.254.0.1. For multi-host xen server domU deployments this can be set to a dom0 management ip on the same network as the proxies. For multi-host libvirt deployments this can be set to a host management ip on the same network as the proxies.:option:`--novncproxy_base_url=[base url for client connections]` - this is the public base url to which clients will connect. "?token=abc" will be added to this url for the purposes of auth. When using the system as described in this document, an appropriate value is "http://$SERVICE_HOST:6080/vnc_auto.html"; where SERVICE_HOST is a public hostname.Suppose you have 2 servers, APISERVER and COMPUTESERVER:
APISERVER:public hostname = my.server.commanagement ip = 192.168.1.1public ip = 172.24.4.1
COMPUTESERVER:management ip = 192.168.1.2
Your nova.conf con COMPUTESERVER would need the following flags:
novncproxy_base_url=http://my.server.com:6080/vnc_auto.htmlor novncproxy_base_url=http://172.24.4.1:6080/vnc_auto.htmlvncserver_proxyclient_address=192.168.1.2vncserver_listen=192.168.1.2
Note that novncproxy_base_url references a public ip or hostname (so clients can connect), while the other flags use private ips.
For more info:https://github.com/openstack/nova/blob/master/doc/source/runnova/vncconsole.rst

On Thu, Mar 29, 2012 at 11:07 AM, Lucian Thomaz <lucianthomaz@xxxxxxxxxxx> wrote:
Hey guys,
I'm using Dashboard with a nova-compute installed in another machine, but when I try access VNC Console I get the error "failed to connect to server".
Here is the log -> http://pastebin.com/5DZMfiNE
Anyone already saw this trouble?


Lucian Thomaz 

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