[ovirt-users] Guest VM Console Creation/Access using REST API and noVNC

Michal Skrivanek michal.skrivanek at redhat.com
Tue Jul 22 13:45:20 UTC 2014


On Jul 22, 2014, at 13:34 , Shanil S <xielesshanil at gmail.com> wrote:

> Hi Michal,
> 
> Thanks for your updates.
> 
> I am unable to view the above post https://bugzilla.redhat.com/show_bug.cgi?id=838468 and getting an access denied error. I don't have the login to this, could you please paste the content here ?

should be fixed now, sorry. try again
NoVncImpl.java in review 13931 should explain some things… (or Franta can, if something's not clear:-)

> 
> 
> -- 
> Regards 
> Shanil
> 
> 
> On Tue, Jul 22, 2014 at 12:53 PM, Michal Skrivanek <michal.skrivanek at redhat.com> wrote:
> 
> On 22 Jul 2014, at 09:02, Punit Dambiwal wrote:
> 
>> Hi Michal,
>> 
>> We want to access vm console by using noVNC and Rest api. We are using websocket proxy on the same machine where engine runs and we try to get the console access from the another server that is outside from this cluster.  
>>  
>> But when we try to connect the vnc_auto.html from the server using host ip, port and the password which we get from the ticket creation… it shows a Failed to connect to server (code: 1006). 
> 
> Hi Punit,
> did you read about the modification we did for the noVNC package? http://www.ovirt.org/Features/noVNC_console
> 
> 
>>  
>> The following are the codes which we use to create the ticket… host,port and the password will get from the ticket and with the same details (host,port & password) we are able to connect the console using the vnc clients(TigerVNC etc.)  
> 
> you mean the "ticket" call? that returns you the direct connection information
> but you want to connect to websocket proxy(to engine:6100 indeed) and pass the above information as an signed encoded url path (where to connect to from proxy)
> check https://bugzilla.redhat.com/show_bug.cgi?id=838468 and associated patches to see how it is being encoded
> 
> Thanks,
> michal
> 
>>  
>> try { 
>>                 var host = WebUtil.getQueryVar('host', '<?php echo $host?>'); 
>>                 var port = WebUtil.getQueryVar('port', '<?php echo $port?>'); 
>>   var path = WebUtil.getQueryVar('path', 'websockify'); 
>>                  
>>   var password = '<?php echo $password?>'; 
>>  
>>         if ((!host) || (!port)) { 
>>                     updateState('failed', 
>>                         "Must specify host and port in URL"); 
>>                     return; 
>>                 } 
>>  
>>                 rfb = new RFB({'target':       $D('noVNC_canvas'), 
>>                            'encrypt':      WebUtil.getQueryVar('encrypt', 
>>                               
>>      (window.location.protocol === "https:")), 
>>                            'true_color':   WebUtil.getQueryVar('true_color', true), 
>>                            'local_cursor': WebUtil.getQueryVar('cursor', true), 
>>                            'shared':       WebUtil.getQueryVar('shared', true), 
>>                            'view_only':    WebUtil.getQueryVar('view_only', false), 
>>                            'updateState':  updateState, 
>>                            'onPasswordRequired':  passwordRequired}); 
>>                            rfb.connect(host, port, password, path); 
>>             }catch(e) {alert(e); 
>>  
>>  
>> Could you please check if there any issues with it and guide me how to get rid of this failed to connect error? 
>>  
>> I have attached the screen shots for further reference…
>> 
>> Thanks,
>> Punit
>> 
>> 
>> 
>> On Tue, Jul 22, 2014 at 2:54 PM, Shanil S <xielesshanil at gmail.com> wrote:
>> Hi All,
>> 
>> We already updated with the logs and the clear picture about the issue.
>> 
>> -- 
>> Regards 
>> Shanil
>> 
>> 
>> On Mon, Jul 21, 2014 at 5:54 PM, Michal Skrivanek <michal.skrivanek at redhat.com> wrote:
>> 
>> On Jul 21, 2014, at 04:33 , Punit Dambiwal <hypunit at gmail.com> wrote:
>> 
>> > Hi All,
>> >
>> > I am still waiting for the updates...is there any one have the clue to solve this problem.... ???
>> 
>> Hi Punit,
>> I'm afraid no one can help you  debug connectivity issues remotely, without describing precisely what are you doing and how, and include all the logs
>> 
>> Thanks,
>> michal
>> 
>> >
>> > Thanks,
>> > Punit
>> >
>> >
>> > On Fri, Jul 18, 2014 at 12:37 PM, Punit Dambiwal <hypunit at gmail.com> wrote:
>> > Hi All,
>> >
>> > We are also struggling with the same problem....can anybody mind to update here the resolution or suggest us the way to get rid of this "Failed to connect to server (code: 1006" error.
>> >
>> > Thanks,
>> > Punit
>> >
>> >
>> > On Thu, Jul 17, 2014 at 5:20 PM, Shanil S <xielesshanil at gmail.com> wrote:
>> > Hi,
>> >
>> > We are waiting for the updates, it will be great if anyone can give the helpful details.. :)
>> >
>> > --
>> > Regards
>> > Shanil
>> >
>> >
>> > On Thu, Jul 17, 2014 at 10:23 AM, Shanil S <xielesshanil at gmail.com> wrote:
>> > Hi,
>> >
>> > we have enabled our portal ip address on the engine and hosts firewall but still the connection failed. so there should be no firewall issues.
>> >
>> > --
>> > Regards
>> > Shanil
>> >
>> >
>> > On Wed, Jul 16, 2014 at 3:26 PM, Shanil S <xielesshanil at gmail.com> wrote:
>> > Hi Sven,
>> >
>> > Regarding the ticket "path", Is it the direct combination of host and port ? suppose if the host is 1.2.3.4 and the port is 5100 then what should be the "path" value ? Is there encryption needs here ?
>> >
>> >
>> > >>so you have access from the browser to the websocket-proxy, network
>> > wise? can you ping the proxy?
>> > and the websocket proxy can reach the host where the vm runs?
>> >
>> >  yes.. there should be no firewall issue as we can access the console from ovirt engine portal
>> >
>> >  Do we need to allow our own portal ip address in the ovirt engine and hypervisiors also ???
>> >
>> >
>> > --
>> > Regards
>> > Shanil
>> >
>> >
>> > On Wed, Jul 16, 2014 at 3:13 PM, Sven Kieske <S.Kieske at mittwald.de> wrote:
>> >
>> >
>> > Am 16.07.2014 11:30, schrieb Shanil S:
>> > > We will get the ticket details like host,port and password from the ticket
>> > > api funcion call but didn't get the "path" value. Will it get it from the
>> > > ticket details ? i couldn't find out any from the ticket details.
>> >
>> > the "path" is the combination of host and port.
>> >
>> > so you have access from the browser to the websocket-proxy, network
>> > wise? can you ping the proxy?
>> > and the websocket proxy can reach the host where the vm runs?
>> > are you sure there are no firewalls in between?
>> > also you should pay attention on how long your ticket
>> > is valid, you can specify the duration in minutes in your api call.
>> >
>> > --
>> > Mit freundlichen Grüßen / Regards
>> >
>> > Sven Kieske
>> >
>> > Systemadministrator
>> > Mittwald CM Service GmbH & Co. KG
>> > Königsberger Straße 6
>> > 32339 Espelkamp
>> > T: +49-5772-293-100
>> > F: +49-5772-293-333
>> > https://www.mittwald.de
>> > Geschäftsführer: Robert Meyer
>> > St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen
>> > Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen
>> >
>> >
>> >
>> >
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>> >
>> >
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>> 
>> 
>> <screen3 Jul. 15.1.jpg>
> 
> 




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