#!/bin/bash
set -eux

RET=$(select-boot-kernel-initrd)
KERNEL_VERSION=`echo ${RET%:*} | sed 's/vmlinuz-//g' | cut -f-2 -d'.'`
maj=$(printf "%02d" ${KERNEL_VERSION%.*})
min=$(printf "%02d" ${KERNEL_VERSION#*.})

# Open vSwitch GRE tunneling included in kernel 3.11 and
# VXLAN tunneling in kernel 3.12
if [[ $((10#$maj$min)) -lt 312 ]]; then
    install-packages -m openvswitch-datapath openvswitch-datapath-dkms_package
fi