#!/bin/bash

pickup_defaults
pickup_options

[ -x "${OVS_VSCTL:=$DEFAULT_OVS_VSCTL}" ] || {
	print_error "$OVS_VSCTL does not exist or is not executable. Try installing openvswitch RPM."
	exit 1
}


if [ -z "$BRIDGE" ] || [ -z "$VID" ]; then
	$OVS_VSCTL -t $OVS_VSCTL_TIMEOUT -- --may-exist add-br "$NAME" $OVS_OPTIONS ${OVS_EXTRA+-- $OVS_EXTRA} && print_progress
else
	#Creates a ‘‘fake bridge’’ named bridge within the existing Open vSwitch bridge parent, 
	#which must already exist and must not itself be a fake bridge. 
	#The new fake bridge will be on 802.1Q VLAN vlan, which must be an integer between 0 and 4095.
	#Initially bridge will have no ports (other than bridge itself)
	iface_is_up $BRIDGE || $SCRIPTDIR/ifup $BRIDGE
	$OVS_VSCTL -t $OVS_VSCTL_TIMEOUT -- --may-exist add-br "$NAME" "$BRIDGE" "$VID" $OVS_OPTIONS ${OVS_EXTRA+-- $OVS_EXTRA} && print_progress
fi