feat: funciones NordVPN bash y Go — CLI, contenedor Docker y parser de estado

Funciones bash para instalar, conectar, desconectar, estado, IP, ciudades, países y protocolo.
Funciones Go para gestionar contenedor NordVPN (run/start/stop) y parsear estado.
Incluye tipo NordVPNStatus y tests para el parser.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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2026-04-01 20:55:08 +02:00
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---
name: nordvpn_status
kind: function
lang: bash
domain: infra
version: "1.0.0"
purity: impure
signature: "nordvpn_status() -> json"
description: "Obtiene estado actual de NordVPN como JSON estructurado. Incluye servidor, IP, pais, protocolo y estado de conexion."
tags: [vpn, nordvpn, status, infra, network]
uses_functions: []
uses_types: []
returns: []
returns_optional: false
error_type: "error_go_core"
imports: []
tested: false
tests: []
test_file_path: ""
file_path: "bash/functions/infra/nordvpn_status.sh"
---
## Ejemplo
```bash
source nordvpn_status.sh
nordvpn_status
# {"ok":true,"connected":true,"status":"Connected","hostname":"es42.nordvpn.com","ip":"185.x.x.x","country":"Spain","city":"Madrid","current_technology":"NordLynx","current_protocol":"nordlynx","transfer":"1.2 MiB received, 500 KiB sent","uptime":"5 minutes 32 seconds"}
# Desconectado:
# {"ok":true,"connected":false,"status":"Disconnected"}
```
## Notas
Parsea la salida clave-valor de `nordvpn status` eliminando codigos ANSI. Los campos disponibles dependen del estado de conexion — cuando esta desconectado solo devuelve status y connected.