8:31 a.m.
actually I rather wanted to know how to generate a config with
Ovirt::Display. I didn't really understand what I have to do to generate
a config.
Am 30.07.2021 14:04 schrieb Milan Zamazal:
> Merlin Timm <merlin.timm(a)posteo.de> writes:
>
>> Hey,
>>
>> Thanks for the answers!
>>
>> I want to try the perl solution. One, maybe stupid, question: how do i
>> run this perl module?
>>
>> Do i run it on the Host or from my local machne? I am a litte bit
>> confused.
>
> As I understand it, you can run it from anywhere where Engine REST API
> is reachable from.
>
> Regards,
> Milan
>
>> Could someone explain it to me?
>>
>> Best regarda
>>
>> Am 8. Juli 2021 16:05:42 MESZ schrieb Milan Zamazal
>> <mzamazal(a)redhat.com>:
>>> Sandro Bonazzola <sbonazzo(a)redhat.com> writes:
>>>
>>>> Il giorno gio 8 lug 2021 alle ore 13:38 Sandro Bonazzola <
>>>> sbonazzo(a)redhat.com> ha scritto:
>>>>
>>>>> +Milan Zamazal <mzamazal(a)redhat.com> , +Arik Hadas
>>>>> <ahadas(a)redhat.com> , +Michal
>>>>> Skrivanek <mskrivan(a)redhat.com> any hint?
>>>>>
>>>>
>>>> I found https://metacpan.org/pod/Ovirt::Display but I think there
>>>> should be
>>>> an easier way within the engine to configure this.
>>>>
>>>>
>>>>
>>>>>
>>>>> Il giorno mar 6 lug 2021 alle ore 14:01 Merlin Timm
>>>>> <merlin.timm(a)posteo.de>
>>>>> ha scritto:
>>>>>
>>>>>> Good day to all,
>>>>>>
>>>>>> I have a question about the console configuration of the VMs:
>>>>>>
>>>>>> By default, for each console connection to a VM, a password is
set
>>>>>> for
>>>>>> 120 seconds, after that you can't use it again. We currently
have
>>>>>> the
>>>>>> following concern:
>>>>>>
>>>>>> We want to access and control the VMs via the VNC/Spice of the
>>>>>> Ovirt
>>>>>> host. We have already tried to use the password from the
>>>>>> console.vv for
>>>>>> the connection and that works so far. Unfortunately we have to do
>>>>>> this
>>>>>> every 2 minutes when we want to connect again. We are currently
>>>>>> building
>>>>>> an automatic test pipeline and for this we need to access the
VMs
>>>>>> remotely before OS start and we want to be independent of a VNC
>>>>>> server
>>>>>> on the guest. This is only possible if we could connect to the
>>>>>> VNC/Spice
>>>>>> server from the Ovirt host.
>>>>>>
>>>>>> My question: would it be possible to fix the password or read it
>>>>>> out via
>>>>>> api every time you want to connect?
>>>
>>> A one time password is set every time the console is opened, for
>>> those
>>> 120 seconds. Unfortunately, the 120 seconds limit seems to be
>>> hardwired
>>> in Engine sources. So apparently the only chance would be to set the
>>> password directly on the host using VM.updateDevice VDSM API call.
>>> It
>>> looks like this normally:
>>>
>>> VM.updateDevice(params={'deviceType': 'graphics',
'password':
>>> '********', 'disconnectAction': 'NONE',
'params': {'vncUsername':
>>> 'vnc-630b9cae-a983-4ab0-a9ac-6b8728f8014d', 'fips':
'false',
>>> 'userName': 'admin', 'userId':
>>> 'fd2c5e14-a8c3-11eb-951c-2a9574de53b6'}, 'ttl': 120,
'graphicsType':
>>> 'spice'})
>>>
>>> This way it's possible to set a password and its lifetime (`ttl'
>>> parameter). Of course, it's needed to find out the host the VM runs
>>> on,
>>> a way to call the API (running vdsm-client directly on the host may
>>> be
>>> the easiest way), how to make/use the *.vv ticket (you can use the
>>> same
>>> password all the time) and to accept collisions with different
>>> settings
>>> if someone opens the console from the web UI.
>>>
>>> In the end result, using the Perl library mentioned by Sandro above
>>> may
>>> be an easier solution.
>>>
>>> Or another option is to submit a patch to Engine to make the timeout
>>> configurable (look for TICKET_VALIDITY_SECONDS in the sources).
>>>
>>> Regards,
>>> Milan
>>>
>>>>>> I would appreciate a reply very much!
>>>>>>
>>>>>> Best regards
>>>>>> Merlin Timm
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>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> Sandro Bonazzola
>>>>>
>>>>> MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV
>>>>>
>>>>> Red Hat EMEA <https://www.redhat.com/>
>>>>>
>>>>> sbonazzo(a)redhat.com
>>>>> <https://www.redhat.com/>
>>>>>
>>>>> *Red Hat respects your work life balance. Therefore there is no
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>>>>> <https://mojo.redhat.com/docs/DOC-1199578>*
>>>>>
>>>>>
>>>>>
>>>