#!/bin/bash

# Insert the vnet module if it can be found and
# it's not already there.
vnet_insert () {
    local module="vnet_module"
    local mod_dir=/lib/modules/$(uname -r)
    local mod_obj=""

    if lsmod | grep -q ${module} ; then
        echo "VNET: ${module} loaded"
        return
    fi
    local mods=$(find ${mod_dir} -name "${module}.*o")
    if [[ ${mods} ]] ; then
        for mod_obj in ${mods} ; do
            break
        done
    fi
    if [ -z "${mod_obj}" ] ; then
        echo "VNET: ${module} not found"
        exit 1
    fi
    echo "VNET: Loading ${module} from ${mod_obj}"
    insmod ${mod_obj} "$@"
}

vnet_insert "$@"