Notify via Telegram Bot if mount point doesn't exist

mountpoint_check.sh

#!/bin/bash

# Telegram Bot API Token
API_TOKEN="YOUR_TELEGRAM_BOT_API_TOKEN"
# Your Chat ID
CHAT_ID="YOUR_CHAT_ID"
# API Proxy Domain (optional)
API_PROXY_DOMAIN="YOUR_API_PROXY_DOMAIN"
# Mount Path
MOUNT_POINT="/mnt/example"

if ! mountpoint -q $MOUNT_POINT; then
    MESSAGE="Disk at $MOUNT_POINT has been disconnected!"
    
    if [ -z "$API_PROXY_DOMAIN" ]; then
        API_URL="https://api.telegram.org"
    else
        API_URL="https://$API_PROXY_DOMAIN"
    fi
    
    curl -s -X POST "$API_URL/bot$API_TOKEN/sendMessage" -d chat_id=$CHAT_ID -d text="$MESSAGE"
fi