Add add-beszel-agent-lxc.sh

misc/add-beszel-agent-lxc.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2025 tteck
+# Author: tteck (tteckster)
+# License: MIT
+# https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+
+function header_info {
+clear
+cat <<"EOF"
+    ____                       __      ___                    __ 
+   / __ )___  _________  ___  / /     /   | ____ ____  ____  / /_
+  / __  / _ \/ ___/_  / / _ \/ /_____/ /| |/ __ `/ _ \/ __ \/ __/
+ / /_/ /  __(__  ) / /_/  __/ /_____/ ___ / /_/ /  __/ / / / /_  
+/_____/\___/____/ /___/\___/_/     /_/  |_\__, /\___/_/ /_/\__/  
+                                         /____/                  
+EOF
+}
+header_info
+set -e
+while true; do
+  read -p "This will add Beszel Agent 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 Beszel Agent 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
+header_info
+msg "Installing Beszel Agent..."
+pct exec "$CTID" -- bash -c 'curl -sL https://raw.githubusercontent.com/henrygd/beszel/main/supplemental/scripts/install-agent.sh -o  install-beszel-agent.sh && chmod +x install-beszel-agent.sh && ./install-beszel-agent.sh && rm -f ./install-beszel-agent.sh &>/dev/null' || exit
+msg "\e[1;32m ✔ Installed Beszel Agent\e[0m"