[Users] Pseudo Guest Agent for unsupported VM distro

[Vinzenz Feenstra]

On 04/06/2014 08:46 PM, Markus Stockhausen wrote:
>> Von: Markus Stockhausen
>> Gesendet: Sonntag, 6. April 2014 11:19
>> An: ovirt-users
>> Betreff: Pseudo Guest Agent for unsupported VM distro
>>
>> Hello,
>>
>> from my understanding it should be possible to provide an absolute
>> minimalistic guest agent functionality by writing a 5-liner that fills some
>> basic info into the virto serial device within the guest VM. At least from
>> what I can read in the source at github or the docs:
>>
>> https://github.com/oVirt/ovirt-guest-agent/tree/master/ovirt-guest-agent
>> http://www.ovirt.org/images/2/20/Ovirt-guest-agent.pdf
>>
>> Currently I'm interested to provide the most simple data: IP address
>> & FQDN for our SLES 11 guests (no guest agent yet). I tried to understand
>> what I must write into the serial device but there is no change in the VM
>> overview panel. Different combinations did not provide any success.
>>
>> Maybe someone can send the syntax for the two required echo commands.
> For populating those two columns just use an init script inside the VM that
> echoes the following data into the serial console. A sample for a host with two
> IPs and name host.test.com:
>
> echo  '{"__name__": "network-interfaces", "interfaces": [{"name": "en1", "inet": "1.2.3.4"}, {"name": "en2", "inet": "9.10.11.12"}]}' > /dev/virtio-ports/com.redhat.rhevm.vdsm
> echo  '{"__name__": "fqdn", "fqdn": "host.test.com"}' > /dev/virtio-ports/com.redhat.rhevm.vdsm
Yes, this indeed would work.
>
> Markus
>
>
>
>
>
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-- 
Regards,

Vinzenz Feenstra | Senior Software Engineer
RedHat Engineering Virtualization R & D
Phone: +420 532 294 625
IRC: vfeenstr or evilissimo

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