#!/bin/sh
# postinst script for #PACKAGE#
#
# see: dh_installdeb(1)

set -e

#DEBHELPER#

# If the kernel module is already loaded, we have nothing to do here.
# A force-reload-kmod should be run manually to use the new kernel module.
if [ -e /sys/module/openvswitch ] || [ -e /sys/module/openvswitch_mod ]; then
    exit 0
fi

# If the kernel module is not loaded, then it is likely because none
# was installed before and therefore Open vSwitch couldn't be started.
# Try to start it now.
#
# (Ideally we'd only want to do this if this package corresponds to the
# running kernel, but I don't know a reliable way to check.)
INIT=/etc/init.d/openvswitch-switch
if test -x $INIT; then
    $INIT start || true
fi

exit 0
