408 lines
16 KiB
Python
408 lines
16 KiB
Python
import paho.mqtt.client as mqtt
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import json
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import time
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import psutil
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import platform
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import subprocess
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import threading
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import sys
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import os
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import shutil
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import requests
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from pathlib import Path
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import configparser
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import logging
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from logging.handlers import RotatingFileHandler
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# ==========================================
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# 0. CONFIGURAZIONE LOGGING & HARDWARE
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# ==========================================
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logging.basicConfig(
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handlers=[
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RotatingFileHandler('/opt/node_agent.log', maxBytes=2000000, backupCount=3),
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logging.StreamHandler()
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],
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level=logging.INFO,
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format='[%(asctime)s] %(levelname)s - %(message)s',
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datefmt='%Y-%m-%d %H:%M:%S'
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)
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logger = logging.getLogger("NodeAgent")
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try:
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import RPi.GPIO as GPIO
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GPIO_AVAILABLE = True
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except ImportError:
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GPIO_AVAILABLE = False
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logger.warning("Libreria RPi.GPIO non trovata. Reset hardware disabilitato.")
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# ==========================================
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# 1. CARICAMENTO CONFIGURAZIONE UNIFICATA
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# ==========================================
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CONFIG_PATH = Path("/opt/node_config.json")
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def load_config():
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try:
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if not CONFIG_PATH.exists():
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logger.error(f"ERRORE: File {CONFIG_PATH} non trovato!")
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sys.exit(1)
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with open(CONFIG_PATH, 'r') as f:
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return json.load(f)
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except Exception as e:
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logger.error(f"ERRORE CRITICO JSON: {e}")
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sys.exit(1)
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cfg = load_config()
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# Identificativi e Topic
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CLIENT_ID = cfg.get('client_id', 'iv3jdv').lower()
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BASE_TOPIC = cfg.get('mqtt', {}).get('base_topic', f"servizi/{CLIENT_ID}")
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TOPIC_CMD = f"{BASE_TOPIC}/cmnd"
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TOPIC_STAT = f"{BASE_TOPIC}/stat"
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# Variabili di Stato Globali
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boot_recovered = False
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current_status = "ONLINE - Pronto"
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auto_healing_counter = {}
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# ==========================================
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# 2. FUNZIONE NOTIFICA TELEGRAM
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# ==========================================
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def send_telegram_message(message):
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t_cfg = cfg.get('telegram', {})
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if not t_cfg.get('enabled', False): return
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ora_attuale = int(time.strftime("%H"))
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if ora_attuale >= 23 or ora_attuale < 7:
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logger.info(f"🌙 Notte fonda ({ora_attuale}:00): Notifica Telegram evitata.")
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return
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token = t_cfg.get('token')
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chat_id = t_cfg.get('chat_id')
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if not token or not chat_id or token == "TOKEN ID": return
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try:
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clean_msg = message.replace("<b>", "").replace("</b>", "")
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url = f"https://api.telegram.org/bot{token}/sendMessage"
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payload = {"chat_id": chat_id, "text": f"[{CLIENT_ID.upper()}]\n{clean_msg}"}
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requests.post(url, json=payload, timeout=10)
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except Exception as e:
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logger.error(f"Errore invio Telegram: {e}")
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# ==========================================
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# 3. LOGICA CAMBIO PROFILO MULTIPLO
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# ==========================================
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def get_actual_config_from_disk():
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return "ONLINE - Da memoria"
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def switch_config(config_type):
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profile = cfg.get('profiles', {}).get(config_type)
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if not profile:
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return f"ERRORE: Profilo {config_type} non trovato in JSON"
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label = profile.get('label', f"Profilo {config_type}")
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services = profile.get('services', [])
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if not services:
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return f"ERRORE: Nessun servizio configurato per {config_type}"
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try:
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for s in services:
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subprocess.run(["sudo", "systemctl", "stop", s['name']], check=False)
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for s in services:
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if not os.path.exists(s['source']):
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return f"ERRORE: Manca il file sorgente {s['source']}"
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shutil.copy(s['source'], s['target'])
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for s in services:
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subprocess.run(["sudo", "systemctl", "start", s['name']], check=False)
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send_telegram_message(f"✅ Switch multiplo completato: {label}")
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return f"ONLINE - {label}"
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except Exception as e:
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return f"ERRORE: {str(e)}"
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def force_online_if_needed(client):
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global boot_recovered, current_status
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if not boot_recovered:
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logger.info("⚠️ Recupero memoria saltato. Imposto stato da disco...")
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current_status = get_actual_config_from_disk()
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client.publish(TOPIC_STAT, current_status, retain=True)
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boot_recovered = True
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# ==========================================
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# 4. TELEMETRIA E AUTO-HEALING
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# ==========================================
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def get_cpu_temperature():
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temp = 0.0
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try:
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temps = psutil.sensors_temperatures()
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if 'cpu_thermal' in temps: temp = temps['cpu_thermal'][0].current
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elif 'coretemp' in temps: temp = temps['coretemp'][0].current
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elif platform.system() == "Linux":
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res = os.popen('vcgencmd measure_temp').readline()
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if res: temp = float(res.replace("temp=","").replace("'C\n",""))
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except: pass
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return round(temp, 1)
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def get_system_status():
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status = {
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"cpu_usage_percent": psutil.cpu_percent(interval=0.5),
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"cpu_temp": get_cpu_temperature(),
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"memory_usage_percent": psutil.virtual_memory().percent,
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"disk_usage_percent": psutil.disk_usage('/').percent,
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"processes": {},
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"timestamp": time.strftime("%H:%M:%S"),
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"profiles": {
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"A": cfg.get('profiles', {}).get('A', {}).get('label', 'PROFILO A'),
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"B": cfg.get('profiles', {}).get('B', {}).get('label', 'PROFILO B')
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}
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}
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proc_path = Path(cfg['paths'].get('process_list', ''))
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if proc_path.exists():
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try:
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target_processes = proc_path.read_text(encoding="utf-8").splitlines()
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running_names = {p.info['name'].lower() for p in psutil.process_iter(['name'])}
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for name in target_processes:
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name = name.strip().lower()
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if name: status["processes"][name] = "online" if name in running_names else "offline"
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except Exception as e: logger.error(f"Errore controllo processi: {e}")
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return status
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def check_auto_healing(client, status):
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if not cfg['settings'].get('auto_healing', False): return
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for proc_name, state in status["processes"].items():
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if state == "offline":
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attempts = auto_healing_counter.get(proc_name, 0)
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if attempts < 3:
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auto_healing_counter[proc_name] = attempts + 1
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msg = f"🛠 Auto-healing: {proc_name} offline. Riavvio {attempts+1}/3..."
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client.publish(f"devices/{CLIENT_ID}/logs", msg)
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send_telegram_message(msg)
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subprocess.run(["sudo", "systemctl", "restart", proc_name])
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elif attempts == 3:
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msg = f"🚨 CRITICO: {proc_name} fallito!"
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client.publish(f"devices/{CLIENT_ID}/logs", msg)
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send_telegram_message(msg)
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auto_healing_counter[proc_name] = 4
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else:
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auto_healing_counter[proc_name] = 0
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def publish_all(client):
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status = get_system_status()
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file_list_path = Path(cfg['paths'].get('file_list', ''))
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status["config_files"] = []
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status["files"] = []
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if file_list_path.exists():
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try:
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files = file_list_path.read_text(encoding="utf-8").splitlines()
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nomi_estrattti = [Path(f.strip()).stem for f in files if f.strip()]
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status["config_files"] = nomi_estrattti
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status["files"] = nomi_estrattti
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except: pass
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client.publish(f"devices/{CLIENT_ID}/services", json.dumps(status), qos=1)
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if file_list_path.exists():
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try:
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files = file_list_path.read_text(encoding="utf-8").splitlines()
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for f in files:
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p = Path(f.strip())
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if p.exists():
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client.publish(f"data/{CLIENT_ID}/{p.stem}/full_config", json.dumps({"raw_text": p.read_text(encoding="utf-8")}), qos=1, retain=True)
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except: pass
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return status
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def publish_all_ini_files(client):
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file_list_path = cfg.get('paths', {}).get('file_list', '/opt/file_list.txt')
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if not os.path.exists(file_list_path): return
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try:
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with open(file_list_path, 'r') as f:
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files_to_parse = [line.strip() for line in f if line.strip()]
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except Exception as e:
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logger.error(f"Errore lettura {file_list_path}: {e}")
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return
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for file_path in files_to_parse:
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if not os.path.exists(file_path): continue
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try:
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base_name = os.path.splitext(os.path.basename(file_path))[0]
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ini_data = {}
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current_section = None
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with open(file_path, 'r', encoding='utf-8', errors='ignore') as f:
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for line in f:
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line = line.strip()
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if not line or line.startswith(('#', ';')): continue
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if line.startswith('[') and line.endswith(']'):
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current_section = line[1:-1].strip()
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ini_data[current_section] = {}
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elif '=' in line and current_section is not None:
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k, v = line.split('=', 1)
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k, v = k.strip(), v.strip()
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if k in ini_data[current_section]:
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ini_data[current_section][k] = str(ini_data[current_section][k]) + "," + v
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else:
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ini_data[current_section][k] = v
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for section, payload in ini_data.items():
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topic = f"data/{CLIENT_ID}/{base_name}/{section}"
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client.publish(topic, json.dumps(payload), retain=True)
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except Exception as e:
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logger.error(f"Errore parsing INI per {file_path}: {e}")
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def write_config_from_json(slug, json_payload):
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file_list_path = Path(cfg['paths'].get('file_list', ''))
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if not file_list_path.exists(): return
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try:
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files = file_list_path.read_text(encoding="utf-8").splitlines()
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for f in files:
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p = Path(f.strip())
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if p.stem.lower() == slug.lower():
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nuovi_dati = json.loads(json_payload)
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shutil.copy(p, str(p) + ".bak")
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with open(p, 'w', encoding="utf-8") as file: file.write(nuovi_dati.get("raw_text", ""))
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os.system(f"sudo systemctl restart {slug}")
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send_telegram_message(f"📝 Config {slug.upper()} aggiornata via Web.")
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logger.info(f"Configurazione {slug} aggiornata con successo.")
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break
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except Exception as e: logger.error(f"Errore scrittura config: {e}")
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# ==========================================
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# 5. CALLBACK MQTT
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# ==========================================
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def on_connect(client, userdata, flags, reason_code, properties=None):
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if reason_code == 0:
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logger.info(f"✅ Connesso al broker MQTT: {CLIENT_ID.upper()}")
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client.subscribe([(TOPIC_CMD, 0), (TOPIC_STAT, 0)])
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client.subscribe([
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("devices/control/request", 0),
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(f"devices/{CLIENT_ID}/control", 0),
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(f"devices/{CLIENT_ID}/config_set/#", 0)
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])
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threading.Timer(5.0, force_online_if_needed, [client]).start()
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publish_all(client)
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publish_all_ini_files(client)
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else:
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logger.error(f"❌ Errore connessione MQTT. Codice: {reason_code}")
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def on_disconnect(client, userdata, disconnect_flags, reason_code, properties=None):
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logger.warning(f"⚠️ Disconnessione dal broker MQTT! Codice: {reason_code}")
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logger.error("Forzo il riavvio del processo per ripristinare la rete in modo pulito...")
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os._exit(1) # Uccide lo script immediatamente (Systemd lo farà risorgere)
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def on_message(client, userdata, msg):
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global boot_recovered, current_status, cfg
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payload = msg.payload.decode().strip()
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topic = msg.topic
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if topic == TOPIC_STAT and not boot_recovered:
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if not any(x in payload.upper() for x in ["OFFLINE", "ERRORE", "RIAVVIO"]):
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current_status = payload
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boot_recovered = True
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client.publish(TOPIC_STAT, current_status, retain=True)
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elif topic == TOPIC_CMD:
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cmd = payload.upper()
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if cmd in ["A", "B"]:
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current_status = switch_config(cmd)
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client.publish(TOPIC_STAT, current_status, retain=True)
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boot_recovered = True
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publish_all(client)
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elif cmd == "REBOOT":
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client.publish(TOPIC_STAT, f"OFFLINE - Riavvio {CLIENT_ID.upper()}...", retain=False)
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logger.info("Comando REBOOT ricevuto. Riavvio sistema...")
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time.sleep(1)
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subprocess.run(["sudo", "reboot"], check=True)
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elif cmd == 'RESET_HAT':
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RESET_PIN = 21
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if GPIO_AVAILABLE:
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try:
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GPIO.setwarnings(False)
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GPIO.setmode(GPIO.BCM)
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GPIO.setup(RESET_PIN, GPIO.OUT)
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GPIO.output(RESET_PIN, GPIO.LOW)
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time.sleep(0.5)
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GPIO.output(RESET_PIN, GPIO.HIGH)
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GPIO.cleanup(RESET_PIN)
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logger.info(f"Impulso di RESET inviato al GPIO {RESET_PIN}")
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time.sleep(1.5)
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logger.info("Riavvio di MMDVMHost in corso...")
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subprocess.run(["sudo", "systemctl", "restart", "mmdvmhost"], check=False)
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client.publish(f"fleet/{CLIENT_ID}/status", "HAT RESET + MMDVM RESTART OK")
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client.publish(f"devices/{CLIENT_ID}/logs", "🔌 HAT Reset + MMDVMHost Restarted")
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except Exception as e:
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logger.error(f"Errore durante il reset GPIO/MMDVMHost: {e}")
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client.publish(f"fleet/{CLIENT_ID}/status", f"ERRORE RESET: {e}")
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elif cmd in ["TG:OFF", "TG:ON"]:
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nuovo_stato = (cmd == "TG:ON")
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cfg['telegram']['enabled'] = nuovo_stato
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try:
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with open(CONFIG_PATH, 'w') as f: json.dump(cfg, f, indent=4)
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client.publish(f"devices/{CLIENT_ID}/logs", f"{'🔔' if nuovo_stato else '🔇'} Notifiche {'ON' if nuovo_stato else 'OFF'}")
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if nuovo_stato: send_telegram_message("Notifiche riattivate!")
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except Exception as e: logger.error(f"Errore salvataggio stato Telegram: {e}")
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elif topic == "devices/control/request" and payload.lower() in ["status", "update"]:
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publish_all(client)
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publish_all_ini_files(client)
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elif topic == f"devices/{CLIENT_ID}/control":
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if ":" in payload:
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action, service = payload.split(":")
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if action.lower() in ["restart", "stop", "start"]:
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try:
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subprocess.run(["sudo", "systemctl", action.lower(), service.lower()], check=True)
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client.publish(f"devices/{CLIENT_ID}/logs", f"✅ {action.upper()}: {service}")
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logger.info(f"Comando servizio eseguito: {action.upper()} {service}")
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publish_all(client)
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except Exception as e:
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client.publish(f"devices/{CLIENT_ID}/logs", f"❌ ERROR: {str(e)}")
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logger.error(f"Errore esecuzione comando servizio: {e}")
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elif topic.startswith(f"devices/{CLIENT_ID}/config_set/"):
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slug = topic.split("/")[-1]
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write_config_from_json(slug, payload)
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time.sleep(1)
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publish_all(client)
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publish_all_ini_files(client)
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def auto_publish_task(client):
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while True:
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status = publish_all(client)
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publish_all_ini_files(client)
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check_auto_healing(client, status)
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time.sleep(cfg['settings'].get('update_interval', 30))
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def start_service():
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client = mqtt.Client(callback_api_version=mqtt.CallbackAPIVersion.VERSION2, client_id=CLIENT_ID.upper())
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client.will_set(TOPIC_STAT, payload=f"OFFLINE - {CLIENT_ID.upper()}", qos=1, retain=False)
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client.username_pw_set(cfg['mqtt']['user'], cfg['mqtt']['password'])
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client.on_connect = on_connect
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client.on_disconnect = on_disconnect
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client.on_message = on_message
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while True:
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try:
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logger.info("Tentativo di connessione al broker MQTT...")
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client.connect(cfg['mqtt']['broker'], cfg['mqtt']['port'], 60)
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client.loop_start()
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threading.Thread(target=auto_publish_task, args=(client,), daemon=True).start()
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# Mantiene il processo vivo
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while True:
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time.sleep(1)
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except Exception as e:
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logger.error(f"Impossibile connettersi o connessione persa ({e}). Riprovo in 10 secondi...")
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time.sleep(10)
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if __name__ == "__main__":
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start_service()
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