Re: [libvirt-users] Network hooks for ethernet interfaces

On Tue, Apr 9, 2019 at 5:10 PM Michal Privoznik <mprivozn(a)redhat.com&gt; wrote: > > On 4/9/19 4:38 PM, Ruben Kerkhof wrote: >> Hi all, >> >> I have a hook script, /etc/libvirt/hooks/network, that doesn't seem to >> be called when I attach an interface with type 'ethernet' with this >> xml snippet: >> >> <interface type='ethernet'> >> <model type="virtio"/> >> <source> >> <ip address="10.100.0.1" prefix="24" peer="10.100.0.10"/> >> </source> >> </interface> >> >> https://www.libvirt.org/hooks.html#intro says >> "A network is started or stopped or an interface is plugged/unplugged >> to/from the network (since 1.2.2)". >> >> While I don't have a network defined in xml, I'd expect this to work >> just as well for 'ethernet' type interfaces. Am I wrong? > > > Hotplugging an 'ethernet' type of interface doesn't really relate to any > libvirt network. Hence libvirt doesn't call 'network' hook script. If > you'd continue reading you'll see what is the 'network' hook fed with > (on stdin): info on domain in question AND network where the event > ocurred. But there is no network, is it? No not in the libvirt sense there isn't, you're right. > > But maybe you can work around this by waiting for > DEVICE_ADDED/DEVICE_REMOVED events? What is it that you're trying to solve? I'd like to enable proxy_arp on the interface among other things. I can easily do this from the same script that adds the interface though, so I have a workaround, but a hook that triggers on all interface events felt cleaner.