#!/bin/bash
# Script para monitorear cambios de IP pública y notificar

LAST_IP_FILE="/var/run/last_public_ip"
CURRENT_IP=$(curl -s https://api.ipify.org)

if [ -f "$LAST_IP_FILE" ]; then
    LAST_IP=$(cat "$LAST_IP_FILE")
    if [ "$CURRENT_IP" != "$LAST_IP" ]; then
        echo "IP cambiada: $LAST_IP -> $CURRENT_IP"
        # Notificar vía n8n webhook, telegram, etc.
        # curl -X POST https://n8n.consultoria-as.com/webhook/ip-change ...
        echo "$CURRENT_IP" > "$LAST_IP_FILE"
    fi
else
    echo "$CURRENT_IP" > "$LAST_IP_FILE"
fi