[libvirt] [Ruby]How to retrieve nodes in <devices> ?

Chris Lalancette clalancette at gmail.com
Mon Jan 13 01:28:43 UTC 2014

On Sun, Jan 12, 2014 at 6:09 PM, Teto <mattator at gmail.com> wrote:
> Hi,
> Thanks to your advice, I was able to make it work using nokogiri.
> I am now trying to attach new devices (shared folders) via my custom function:
> =====
>         def attach_device(uuid , device)
>           puts "CAlled with uuid #{uuid}"
>           client.lookup_domain_by_uuid(uuid).update_device(device.to_s, 0)
>         end
> =====
> "device.to_s" returns a correct xml for <filesystem>. I then have the
> following error:
>>CAlled with uuid 8cc185ef-4bf1-4b78-9caa-cd14c70cd1b3
>>/home/teto/fog/lib/fog/libvirt/requests/compute/attach_device.rb:38:in `update_device': Call to virDomainUpdateDeviceFlags failed: >Operation not supported: persistent update of device 'filesystem' is not supported (Libvirt::Error)
> Does that mean I need to undefine my domain and then recreate it if I
> want to keep the update persistent ?

Sorry, I don't really know about that.  Hopefully someone else will be
able to answer.


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