Re: [libvirt] [PATCH 0/7] Introduce API for dumping domain IP addresses

On 08.06.2012 11:02, Alex Jia wrote: > On 06/08/2012 04:04 PM, Michal Privoznik wrote: >> This feature has been requested for a very long time. However, > I'm very glad to see this patch :-) >> we had to wait for guest agent to obtain reliable results as > Yeah, it's a good way to get guest IP by GA, the disadvantage is we have > to depend on > GA installation the guest, sometimes, it probably is a trouble thing, > for example, I use > virt-v2v to convert a existing ESX VM into libvirt then the ESX VM > impossible had GA > installation ago, if I want to automate to finish all of stuff, but I > don't know VM IP address, > so I can't automatically install GA in the converted VM, it may be a > special case for you. > > However, 'tcpdump' or 'nmap' can do the same thing without GA > installation in the guest, > maybe, we may have optional solution for how to get guest IP, of course, > it's just my idea. I do agree. But a guest can be evil and send spoofed packets, or just

run another guest inside which makes it hard to recognize which guest an IP belongs to. But I think this can be implemented anyway - but must

make sure users know abut certain unreliability of such method. Michal