#!/usr/bin/env bash
function header_info {
cat <<"EOF"
______ _ __ __
/_ __/___ _( _) /_____________ _/ /__
/ / / __ ` / / / ___/ ___/ __ ` / / _ \
/ / / /_/ / / ( __ ) /__/ /_/ / / __/
/_/ \_ _,_/_/_/____/\_ __/\_ _,_/_/\_ __/
EOF
}
clear
header_info
echo -e "\e[1;33mThis script will add Tailscale to an existing LXC Container ONLY\e[0m"
while true; do
read -p "Did you replace 106 with your LXC ID? Proceed(y/n)?" yn
case $yn in
[ Yy] *) break ; ;
[ Nn] *) exit ; ;
*) echo "Please answer yes or no." ; ;
esac
done
set -o errexit
set -o errtrace
set -o nounset
set -o pipefail
shopt -s expand_aliases
alias die = 'EXIT=$? LINE=$LINENO error_exit'
trap die ERR
function error_exit( ) {
trap - ERR
local reason = "Unknown failure occured."
local msg = " ${ 1 :- $reason } "
local flag = " \e[1;31m‼ ERROR\e[0m $EXIT @ $LINE "
echo -e " $flag $msg " 1>& 2
exit $EXIT
}
function msg( ) {
local TEXT = " $1 "
echo -e " $TEXT "
}
CTID = $1
CTID_CONFIG_PATH = /etc/pve/lxc/${ CTID } .conf
cat <<EOF >>$CTID_CONFIG_PATH
lxc.cgroup2.devices.allow: c 10:200 rwm
lxc.mount.entry: /dev/net/tun dev/net/tun none bind,create= file
EOF
msg "Installing Tailscale..."
lxc-attach -n $CTID -- bash -c " $( curl -fsSL https://tailscale.com/install.sh) " & >/dev/null || exit
msg "Installed Tailscale"
sleep 2
msg "\e[1;32m ✔ Completed Successfully!\e[0m"
msg " \e[1;31m Reboot ${ CTID } LXC to apply the changes, then run tailscale up in the LXC console\e[0m "
