/etc/xen/scripts/vif2 is in xen-utils-common 4.4.0-0ubuntu5.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | #!/bin/bash
dir=$(dirname "$0")
. "$dir/xen-hotplug-common.sh"
. "$dir/xen-network-common.sh"
bridge=$(xenstore_read_default "$XENBUS_PATH/bridge" "$bridge")
if [ -z "$bridge" ]
then
nr_bridges=$(($(brctl show | cut -f 1 | grep -v "^$" | wc -l) - 1))
if [ "$nr_bridges" != 1 ]
then
fatal "no bridge specified, and don't know which one to use ($nr_bridges found)"
fi
bridge=$(brctl show | cut -d "
" -f 2 | cut -f 1)
fi
command="$1"
shift
case "$command" in
"online")
if [ "$bridge" != "-" ]
then
setup_virtual_bridge_port "$vif"
add_to_bridge "$bridge" "$vif"
else
# Just let the normal udev rules for interfaces handle it.
true
fi
success
;;
"add")
success
;;
"remove")
;;
*)
echo "Unknown command: $command"
echo 'Valid commands are: add, remove, online'
exit 1
esac
|