add-SSH-proxy-to-LXC.sh

#!/bin/bash

SERVER=$1

EXTIP=$(curl -s api.ipify.org)

line=$( lxc info $SERVER | grep inet: | grep /24 )

IP=$(echo "$line" | grep -oE 'inet:\s+([0-9]{1,3}\.){3}[0-9]{1,3}' | awk '{print $2}')
SERVERPORT=$(echo $IP | cut -d '.' -f4 )

echo extip: $EXTIP
echo lxc ip: $IP
echo 
echo lxc config device add $SERVER ssh-redirect proxy listen=tcp:${EXTIP}:${SERVERPORT}22 connect=tcp:$IP:22
echo
echo Press [Enter] to execute or CTRL+C to abort

read dummy

lxc config device add $SERVER ssh-redirect proxy listen=tcp:${EXTIP}:${SERVERPORT}22 connect=tcp:$IP:22