From 8c09fafa6e2d206c9373325ba08a12633e88f8b6 Mon Sep 17 00:00:00 2001
From: tteckster <tteckster@gmail.com>
Date: Sun, 19 May 2024 18:08:25 -0400
Subject: [PATCH] Create add-netbird-lxc.sh

---
 misc/add-netbird-lxc.sh | 71 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 misc/add-netbird-lxc.sh

diff --git a/misc/add-netbird-lxc.sh b/misc/add-netbird-lxc.sh
new file mode 100644
index 00000000..05427106
--- /dev/null
+++ b/misc/add-netbird-lxc.sh
@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2024 tteck
+# Author: tteck (tteckster)
+# License: MIT
+# https://github.com/tteck/Proxmox/raw/main/LICENSE
+
+function header_info {
+clear
+cat <<"EOF"
+    _   __     __  ____  _          __
+   / | / /__  / /_/ __ )(_)________/ /
+  /  |/ / _ \/ __/ __  / / ___/ __  /
+ / /|  /  __/ /_/ /_/ / / /  / /_/ /
+/_/ |_/\___/\__/_____/_/_/   \__,_/
+
+EOF
+}
+header_info
+set -e
+while true; do
+  read -p "This will add NetBird to an existing LXC Container ONLY. Proceed(y/n)?" yn
+  case $yn in
+  [Yy]*) break ;;
+  [Nn]*) exit ;;
+  *) echo "Please answer yes or no." ;;
+  esac
+done
+header_info
+echo "Loading..."
+function msg() {
+  local TEXT="$1"
+  echo -e "$TEXT"
+}
+
+NODE=$(hostname)
+MSG_MAX_LENGTH=0
+while read -r line; do
+  TAG=$(echo "$line" | awk '{print $1}')
+  ITEM=$(echo "$line" | awk '{print substr($0,36)}')
+  OFFSET=2
+  if [[ $((${#ITEM} + $OFFSET)) -gt ${MSG_MAX_LENGTH:-} ]]; then
+    MSG_MAX_LENGTH=$((${#ITEM} + $OFFSET))
+  fi
+  CTID_MENU+=("$TAG" "$ITEM " "OFF")
+done < <(pct list | awk 'NR>1')
+
+while [ -z "${CTID:+x}" ]; do
+  CTID=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "Containers on $NODE" --radiolist \
+    "\nSelect a container to add NetBird to:\n" \
+    16 $(($MSG_MAX_LENGTH + 23)) 6 \
+    "${CTID_MENU[@]}" 3>&1 1>&2 2>&3) || exit
+done
+
+CTID_CONFIG_PATH=/etc/pve/lxc/${CTID}.conf
+cat <<EOF >>$CTID_CONFIG_PATH
+lxc.cgroup2.devices.allow: c 10:200 rwm
+lxc.mount.entry: /dev/net/tun dev/net/tun none bind,create=file
+EOF
+header_info
+msg "Installing NetBird..."
+pct exec "$CTID" -- bash -c '
+apt install -y ca-certificates gpg &>/dev/null
+wget -qO- https://pkgs.netbird.io/debian/public.key | gpg --dearmor >/usr/share/keyrings/netbird-archive-keyring.gpg
+echo "deb [signed-by=/usr/share/keyrings/netbird-archive-keyring.gpg] https://pkgs.netbird.io/debian stable main" >/etc/apt/sources.list.d/netbird.list
+apt-get update &>/dev/null
+apt-get install -y netbird-ui &>/dev/null
+' || exit
+msg "\e[1;32m ✔ Installed NetBird.\e[0m"
+sleep 2
+msg "\e[1;31m Reboot ${CTID} LXC to apply the changes, then run netbird up in the LXC console\e[0m"