Thanks Justin and Osier. I had searched for a leases file on the machine before, but couldn't find it so thank you for pointing that out. I had thought about installing nmap, but figured I had to have some better record on the machine itself.
Thanks also for the tip on Rich's blog post. I found it at http://rwmj.wordpress.com/2010/10/26/tip-find-the-ip-address-of-a-virtual-machine/ JSR/ On Tue, Jan 18, 2011 at 4:01 AM, Osier Yang <[email protected]> wrote: > 于 2011年01月18日 04:45, Josiah Ritchie 写道: > > I'm trying to figure out how to use virsh (or something else) to list >> all the IP addresses (or MAC addresses if needed) for each virtual NIC, >> preferably with it domain affiliation also listed. >> >> Is this possible? >> >> > == method 1: (simple but not reliable) > # cat /var/lib/dnsmasq/dnsmasq.leases > 1295343272 52:54:00:6f:2e:72 192.168.122.118 * * > > == method 2: > # This script is to map MAC into IP, accepts two > # arguments, subnet prefix and MAC address of the > # interface. > #! /bin/bash > > if [ $# -ne 2 ]; then > echo "Usage: $(basename $0) <SUBNET> <MAC>" > exit 1 > fi > > SUBNET=$1 > MAC=$2 > > rpm -q nmap > /dev/NULL > if [ $? -ne 0 ]; then > echo "You need install nmap" > exit 1 > fi > > if [[ -n $SUBNET ]]; then > OUTPUT=$(nmap -sP -n $SUBNET | grep -i -B 2 $MAC) > if [[ -n $OUTPUT ]]; then > IP=$(echo $OUTPUT | sed -e 's/.* > \([0-9]*\.[0-9]*\.[0-9]*\.[0-9]*\).*/\1/') > fi > fi > > echo $IP > > e.g. for a guest which use libvirt "default" network, get the subnet > like: > # ip route | grep "virbr0" | sed -n 1p | awk '{print $1}' > > you could write automate script to parse the MAC address of domain > interfaces, the bridge name, and the subnet prefix of bridge, and > then use the script above the get the IP. > > And as Justin said, Rich has more clever tool to do it, I also forgot, > you can wait him, :-) > > Regards > Osier > > JSR/ >> >> >> >> _______________________________________________ >> libvirt-users mailing list >> [email protected] >> https://www.redhat.com/mailman/listinfo/libvirt-users >> > > _______________________________________________ > libvirt-users mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/libvirt-users
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