[ovirt-users] Communicating with ovirt agent

[Vinzenz Feenstra]

> On Jul 1, 2016, at 4:24 PM, Tadas <tadas at ring.lt> wrote:
> 
> Thank you for reply!
> Im trying to send JSON-formated shutdown command to windows guest vm now. Here’s small script I’ve written to test that:
> http://pastebin.com/usAYc7Ww <http://pastebin.com/usAYc7Ww>
>  
> But still I get no reaction from ovirt agent. Surely I’m missing something.

Yes the newline character send a ‘\n’ at the end and the name key must be surrounded by two underscores like in the replies __name__ not name

>  
>  
> From: Vinzenz Feenstra <mailto:vfeenstr at redhat.com>
> Sent: Friday, July 01, 2016 2:53 PM
> To: tadas at ring.lt <mailto:tadas at ring.lt>
> Cc: users at ovirt.org <mailto:users at ovirt.org>
> Subject: Re: [ovirt-users] Communicating with ovirt agent
>  
>  
>> On Jul 1, 2016, at 12:05 PM, Tadas <tadas at ring.lt <>> =rote:
>>  
>> 
>> is there any documentation o oVirt guest agent =ommands?
>> To be more precise: i need to pass commands to =Virt guest agent from
>> hypervisor.
>> Reading =nfo works fine:
>> 
>> socat =var/lib/libvirt/qemu/channel/target/domain-20-
>> win7_32bit/com.redhat.serial.0 -
>> 
>> {"applications": ["Python 2.7.12rc1", "SPICE Guest Tools", =Total
>> Commander (Remove or Repair)", "Python 2.7 =ywin32-216", "Microsoft
>> .NET Framework 4.6.1", "Git =ersion 2.9.0", "WinRAR 5.40 beta 2 (32-
>> bit)", =Notepad++"], "__name__": "applications"}
>> {"__name__": =host-name", "name": "WIN7_32BIT"}
>> {"__name__": =os-version", "version": "Win 7”}
>  
> Every =ommand has to be send as a whole JSON object and sent as line =erminated by a \n character
>  
> The =ommands available are currently not documented however.
>  
> {“__name__”: “name”,=… args}
>  
> - name: =hutdown
>   parameters:
> - =imeout: optional integer (seconds)
> =/span>- reboot: 
> optional boolean
> - =essage: string
>  
> - =ame: refresh
>   parameters:
> - =piVersion: optiona integer
>         =nbsp;   this defines what information can be =xchanged
>  
> - =ame: hibernate:
>   parameters:
> - state: =isk or mem (default is disk if not specified)
>  
> if you need more you can look here:  https://github.com/oVirt/ovirt-guest-agent/blob/master/ovirt-gu=st-agent/OVirtAgentLogic.py#L306 <> at the parseCommand =unction
> or just ask here :-)
> 
> 
> 
> I'm unable to find how to send command (lets =ay "shutdown") to agent?.
> echo "shutdown" | socat =var/lib/libvirt/qemu/channel/target/domain-20-
> win7_32bit/com.redhat.kvm-vdi.0  -
> Does=not seem to work
> Thank you for your help.
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> =
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