get telegram notification if storage is above x%

storage-notify.sh

#!/bin/bash

check_storage() {
    # Get the disk usage percentage
    usage=$(df -h --output=pcent / | tail -n 1 | tr -d ' %')
    if [ "$usage" -ge 70 ]; then
        return 0
    else
        return 1
    fi
}

# Check storage usage
if check_storage; then
    url="https://api.telegram.org/{bot_token}/sendMessage"  # Replace <bot_token> with your actual bot token
    usage=$(df -h --output=pcent / | tail -n 1 | tr -d ' %')

    headers=(
        "Content-Type: application/json"
    )
    data="{\"chat_id\": \"306549960\", \"text\": \"Space is almost full $usage\"}"
    curl -X POST -H "${headers[@]}" -d "$data" "$url"
    
    # rm something
else
    echo "Storage is below 70% capacity."
fi