LXD simple port forwarding

port-forward.sh

#!/bin/bash

if [ $# -ne 3 ]
  then
    echo "Usage: ./port-forward.sh [container] [tcp|udp] [port number]"
    exit
fi

container="${1}"
protocol="${2}"
port="${3}"

# Get ip of container
ip=`lxc list $container -c 4 | awk '!/IPV4/{ if ( $2 != "" ) print $2}'`

rulename="${container}${protocol}${port}"
listen="${protocol}:0.0.0.0:${port}"
connect="${protocol}:${ip}:${port}"

# Debug
#echo "lxc config device add ${container} ${rulename} proxy listen=${listen} connect=${connect}"

# Do the stuff
lxc config device add ${container} ${rulename} proxy listen=${listen} connect=${connect}