On 03/04/2012 06:47 PM, Tina Rakotoarivelo wrote: > Hello, > > We use KVM with libvirt on a scientific instrument designed to supports > experiment-driven research in all areas of computer science related to > large-scale parallel or distributed systems. > > Our users do not have root access on the production environment. A script > based on "sudo" is available to create tap devices (tap0...tapn). So they can > run their guest VMs with "kvm" or "virsh" commands using the defined tap > devices and a defined range of MAC adresses (we have an ACL for DHCP requests > from all VMs). > > Now, we want to allow the users to use "virt-install" with a tap device > already created. > So we want to evaluate if adding that option to "virt-install" is difficult or > not? > It shouldn't be too difficult, I think what you want is to generate libvirt XMl like <interface type='ethernet'> <target dev='tap0'/> </interface> You'd want to extend the virt-install --network option to look like --network ethernet,target=tap0 You can see the existing --network parsing code here: http://git.fedorahosted.org/git?p=python-virtinst.git;a=blob;f=virtinst/cli.py;h=738bc006b6050fb72ca52c678a0f06939db6ae11;hb=HEAD#l1617 So you'd need to extend that, and probably add some bits to virtinst/VirtualNetworkInterface.py to generate the needed xml. If you do all that I can help with tests + man page additions. Thanks, Cole
