Fix XVM's classic networking problem.

[invirt/packages/invirt-remote.git] / host / usr / sbin / invirt-vmcontrol

diff --git a/host/usr/sbin/invirt-vmcontrol b/host/usr/sbin/invirt-vmcontrol
index 70bff12..dff84c3 100755 (executable)
--- a/host/usr/sbin/invirt-vmcontrol
+++ b/host/usr/sbin/invirt-vmcontrol
@@ -22,6 +22,9 @@ case "$ACTION" in
        ;;
     install|create)
        shift; shift;
+       if [ -f "/etc/invirt/nocreate" ]; then
+               echo "Host $HOSTNAME is currently refusing VM creation." && exit 2
+       fi
        xm list "$MACHINE" >/dev/null 2>/dev/null && echo "$MACHINE already exists" && exit 1
        if [ "$ACTION" = "install" ]; then
            xm create invirt-database machine_name="$ORIGMACHINE" installer_options="$(printf '%q ' "$@")"
@@ -38,6 +41,22 @@ case "$ACTION" in
     vnctoken)
         invirt-vnc-authtoken "$ORIGMACHINE"
         ;;
+    arp)
+       iface=`invirt-getconf xen.iface`
+       xs_prefix="/local/domain/0/backend/vif"
+       domid=`xm domid $MACHINE`
+       for vif in `xenstore-list $xs_prefix/$domid`; do
+           ip=`xenstore-read $xs_prefix/$domid/$vif/ip`
+           script=`xenstore-read $xs_prefix/$domid/$vif/script`
+           gw=`echo $script | sed -ne 's/.* gateway=\([0-9\.]*\).*/\1/p'`
+           oip=`echo $script | sed -ne 's/.* other_ip=\([0-9\.]*\).*/\1/p'`
+           ogw=`echo $script | sed -ne 's/.* other_gateway=\([0-9\.]*\).*/\1/p'`
+           timeout -s KILL 5 /usr/sbin/arpspoof -i $iface -t $gw $ip
+           if [ -n "$oip" ]; then
+               timeout -s KILL 5 /usr/sbin/arpspoof -i $iface -t $ogw $oip
+           fi
+       done
+       ;;
     *)
         echo "ERROR: Invalid Command"
         exit 34