570 lines
21 KiB
Python
570 lines
21 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# ========= Site =========
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SITE = "Saclay"
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PROGRAM_NAME = f"Monitor_{SITE}"
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# ========= Imports & .env =========
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import os, re, time, ssl, smtplib, logging
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import datetime as dt
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from email.message import EmailMessage
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from datetime import datetime
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from dotenv import load_dotenv, find_dotenv
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load_dotenv(find_dotenv(usecwd=True), override=False)
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# MySQL
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import mysql.connector
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from mysql.connector import Error as MySQLError
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# OVH (SMS)
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try:
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import ovh
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from ovh.exceptions import APIError as OVHAPIError
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_ovh_available = True
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except Exception:
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ovh = None # type: ignore
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class OVHAPIError(Exception): pass
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_ovh_available = False
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# MQTT
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try:
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import paho.mqtt.client as mqtt
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_mqtt_ok = True
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except Exception:
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_mqtt_ok = False
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# ========= Logger =========
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log = logging.getLogger(PROGRAM_NAME.lower())
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if not log.handlers:
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logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s %(message)s")
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# ========= DB utils =========
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def open_alert(conn, table_alertes: str, sonde: str, dt: datetime) -> bool:
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"""
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Ouvre UNE alerte si aucune alerte 'En cours' n'existe encore pour la sonde.
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Retourne True si une nouvelle alerte a été créée (→ notifier).
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"""
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cur = conn.cursor()
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cur.execute(
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f"SELECT 1 FROM `{table_alertes}` WHERE Sonde=%s AND Etat='En cours' LIMIT 1",
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(sonde,)
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)
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if cur.fetchone():
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cur.close()
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return False # déjà ouverte → pas de notif
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cur.execute(
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f"INSERT INTO `{table_alertes}` (Sonde, Debut_defaut, Etat) VALUES (%s, %s, 'En cours')",
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(sonde, dt.strftime('%Y-%m-%d %H:%M:%S'))
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)
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conn.commit()
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cur.close()
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return True # nouvelle alerte → notifier
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def close_alert(conn, table_alertes: str, sonde: str) -> bool:
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"""
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Ferme l'alerte 'En cours' si présente.
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Retourne True si une alerte est passée à 'Acquitté' (→ notifier).
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"""
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cur = conn.cursor()
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cur.execute(
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f"UPDATE `{table_alertes}` SET Etat='Acquitté' "
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f"WHERE Sonde=%s AND Etat='En cours' "
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f"ORDER BY Debut_defaut DESC LIMIT 1",
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(sonde,)
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)
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changed = (cur.rowcount == 1)
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conn.commit()
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cur.close()
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return changed # True → notifier, False → rien
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def get_db():
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cnx = mysql.connector.connect(
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host=os.getenv("DB_HOST"),
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user=os.getenv("DB_USER"),
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password=os.getenv("DB_PASS"),
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database=os.getenv("DB_NAME", "Sondes"),
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port=int(os.getenv("DB_PORT", "3306")),
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autocommit=True,
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)
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return cnx
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def lire_sondes_depuis_db(site: str):
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table = site
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sql = f"""
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SELECT t1.Sonde, t1.Temperature, t1.Date
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FROM `{table}` t1
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JOIN (
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SELECT Sonde, MAX(Date) AS MaxDate
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FROM `{table}`
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GROUP BY Sonde
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) t2 ON t1.Sonde=t2.Sonde AND t1.Date=t2.MaxDate
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"""
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cnx = get_db()
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try:
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cur = cnx.cursor(dictionary=True)
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cur.execute(sql)
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rows = cur.fetchall()
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for r in rows:
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r["Temperature"] = float(r["Temperature"])
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return rows
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except MySQLError as err:
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log.exception("Erreur DB (lire_sondes_depuis_db): %s", err)
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return []
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finally:
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cnx.close()
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def lire_cfg_chambres(site: str):
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"""
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Retourne un dict {sonde: {"temp_max": float, "active": bool, "entretien": bool}}
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depuis Chambres_froides pour le site.
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"""
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sql = """
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SELECT Sonde, Temp_Max, Etat, En_entretien
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FROM Chambres_froides
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WHERE Lieu=%s
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"""
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cnx = get_db()
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cfg: dict[str, dict] = {}
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try:
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cur = cnx.cursor()
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cur.execute(sql, (site,))
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for sonde, temp_max, etat, en_entretien in cur.fetchall():
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cfg[str(sonde)] = {
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"temp_max": float(temp_max),
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"active": str(etat).upper() == "ON",
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"entretien": bool(int(en_entretien or 0)),
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}
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return cfg
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except MySQLError as err:
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log.exception("Erreur DB (lire_cfg_chambres): %s", err)
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return cfg
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finally:
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cnx.close()
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def compute_site_alarm(last_values: list[dict], cfg: dict[str, dict], hysteresis: float = 0.0):
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"""
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Retourne (is_on: bool, trigger: tuple[str,float,float] | None)
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trigger = (sonde, temp, seuil) si dépassement détecté.
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"""
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for row in last_values:
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sonde = str(row["Sonde"])
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meta = cfg.get(sonde)
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if not meta or not meta["active"] or meta["entretien"]:
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continue
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temp = float(row["Temperature"])
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if temp > float(meta["temp_max"]) + 0.0:
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return True, (sonde, temp, float(meta["temp_max"]))
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return False, None
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def lire_seuils_depuis_db(site: str):
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sql = """
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SELECT Sonde, Temp_Max
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FROM Chambres_froides
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WHERE Lieu=%s AND Etat='ON'
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"""
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cnx = get_db()
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seuils = {}
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try:
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cur = cnx.cursor()
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cur.execute(sql, (site,))
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for sonde, s in cur.fetchall():
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seuils[str(sonde)] = float(s)
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return seuils
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except MySQLError as err:
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log.exception("Erreur DB (lire_seuils_depuis_db): %s", err)
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return seuils
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finally:
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cnx.close()
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def depassement_depuis_30min(site: str, sonde: str, seuil: float) -> bool:
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table = site
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cnx = get_db()
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try:
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cur = cnx.cursor()
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cur.execute(f"""
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SELECT Temperature, Date
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FROM `{table}`
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WHERE Sonde=%s
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ORDER BY Date DESC
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LIMIT 1
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""", (sonde,))
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last = cur.fetchone()
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if not last:
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return False
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last_temp, last_date = float(last[0]), last[1]
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if last_temp <= float(seuil):
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return False
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cur.execute(f"""
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SELECT MIN(Date)
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FROM `{table}`
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WHERE Sonde=%s
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AND Temperature > %s
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AND Date >= (NOW() - INTERVAL 120 MINUTE)
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""", (sonde, float(seuil)))
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first_over = cur.fetchone()[0]
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if not first_over:
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return False
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now = dt.datetime.now(tz=getattr(first_over, "tzinfo", None))
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return (now - first_over) >= dt.timedelta(minutes=30)
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except MySQLError as err:
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log.exception("Erreur DB (depassement_depuis_30min): %s", err)
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return False
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finally:
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cnx.close()
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def any_alert_open(site: str) -> bool:
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table = f"Alertes_{site}"
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cnx = get_db()
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try:
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cur = cnx.cursor()
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cur.execute(f"SELECT 1 FROM `{table}` WHERE `Etat`='En cours' LIMIT 1")
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return cur.fetchone() is not None
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except MySQLError as err:
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log.exception("Erreur DB (any_alert_open): %s", err)
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return False
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finally:
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cnx.close()
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# ========= Helpers listes/numéros =========
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def _split_list(raw: str | None) -> list[str]:
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return [x.strip() for x in re.split(r"[;,]", raw or "") if x.strip()]
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def _parse_labeled_phones(raw: str | None) -> list[tuple[str, str]]:
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out: list[tuple[str, str]] = []
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for tok in re.split(r"[;,]", raw or ""):
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tok = tok.strip()
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if not tok:
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continue
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if ":" in tok:
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name, num = tok.split(":", 1)
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out.append((name.strip(), num.strip()))
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else:
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out.append(("", tok))
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return out
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def _resolve_sms_receivers(labeled: list[tuple[str, str]]) -> list[str]:
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only = os.getenv("ALERT_SMS_ONLY")
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if not only:
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return [num for (_n, num) in labeled]
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allow = {x.strip() for x in re.split(r"[;,]", only) if x.strip()}
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return [num for (name, num) in labeled if (name and name in allow) or (num in allow)]
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def _human_labeled_list(labeled: list[tuple[str, str]]) -> str:
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return ", ".join([f"{n}({p})" if n else p for n, p in labeled])
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# ========= Notifier (SMS + Mail) =========
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class Notifier:
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def __init__(self):
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# OVH SMS
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self.ovh_enabled = _ovh_available and all(
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os.getenv(k) for k in ("OVH_APPLICATION_KEY","OVH_APPLICATION_SECRET","OVH_CONSUMER_KEY","OVH_SMS_SERVICE","OVH_SMS_SENDER")
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)
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if self.ovh_enabled:
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self.ovh_client = ovh.Client(
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endpoint=os.getenv("OVH_ENDPOINT","ovh-eu"),
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application_key=os.getenv("OVH_APPLICATION_KEY"),
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application_secret=os.getenv("OVH_APPLICATION_SECRET"),
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consumer_key=os.getenv("OVH_CONSUMER_KEY"),
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)
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self.ovh_service = os.getenv("OVH_SMS_SERVICE")
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self.ovh_sender = os.getenv("OVH_SMS_SENDER")
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raw_sms = (os.getenv("ALERT_SMS_TO_Saclay") or os.getenv("ALERT_SMS_TO_SACLAY") or os.getenv("ALERT_SMS_TO"))
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self.sms_labeled = _parse_labeled_phones(raw_sms)
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else:
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self.sms_labeled = []
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# SMTP
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self.smtp_host = os.getenv("SMTP_HOST")
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self.smtp_port = int(os.getenv("SMTP_PORT","465"))
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self.smtp_user = os.getenv("SMTP_USER")
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self.smtp_pass = os.getenv("SMTP_PASS")
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self.smtp_security = (os.getenv("SMTP_SECURITY","SSL") or "SSL").upper()
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raw_mail_to = (os.getenv("MAIL_TO_Saclay") or os.getenv("MAIL_TO_SACLAY") or os.getenv("MAIL_TO") or "")
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self.mail_to = _split_list(raw_mail_to)
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self.mail_from = (os.getenv("MAIL_FROM_Saclay") or os.getenv("MAIL_FROM_SACLAY") or os.getenv("MAIL_FROM") or self.smtp_user)
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self.smtp_enabled = all([self.smtp_host, self.smtp_port, self.smtp_user, self.smtp_pass, self.mail_to])
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def send_sms(self, message: str, tag: str = f"monitor-{SITE.lower()}") -> bool:
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if not self.ovh_enabled or not self.sms_labeled:
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log.warning("SMS désactivé ou aucun destinataire.")
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return False
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receivers = _resolve_sms_receivers(self.sms_labeled)
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if not receivers:
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log.warning("ALERT_SMS_ONLY filtre tous les destinataires (aucun envoi).")
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return False
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payload = {
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"sender": self.ovh_sender,
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"receivers": receivers,
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"message": message[:1600],
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"priority": "high",
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"coding": "7bit",
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"class": "phoneDisplay",
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"noStopClause": True,
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"senderForResponse": False,
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"validityPeriod": 2880,
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"tag": tag,
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}
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try:
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log.info("Envoi SMS vers: %s", _human_labeled_list([(n,p) for (n,p) in self.sms_labeled if p in receivers]))
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resp = self.ovh_client.post(f"/sms/{self.ovh_service}/jobs", **payload)
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ids = resp.get("ids") or []
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log.info("SMS OVH envoyé (job ids=%s)", ids)
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try:
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if ids:
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job_id = ids[0]
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for _ in range(3):
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job = self.ovh_client.get(f"/sms/{self.ovh_service}/jobs/{job_id}")
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if job.get("status") in ("done","error","cancelled"):
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log.info("Statut job SMS: %s", job.get("status")); break
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time.sleep(1.5)
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except Exception as e:
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log.debug("Suivi job OVH indisponible (OK): %s", e)
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return True
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except OVHAPIError as err:
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log.exception("Erreur API OVH: %s", err); return False
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except Exception as err:
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log.exception("Echec envoi SMS OVH: %s", err); return False
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def send_email(self, subject: str, body: str) -> bool:
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if not self.smtp_enabled:
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log.warning("SMTP non configuré, email non envoyé."); return False
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msg = EmailMessage()
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msg["From"] = self.mail_from
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msg["To"] = ", ".join(self.mail_to)
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msg["Subject"] = subject
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msg.set_content(body)
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timeout = int(os.getenv("SMTP_TIMEOUT","60"))
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debug = os.getenv("SMTP_DEBUG","0") == "1"
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def _send_ssl():
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with smtplib.SMTP_SSL(self.smtp_host, 465, context=ssl.create_default_context(), timeout=timeout) as server:
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if debug: server.set_debuglevel(1)
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server.login(self.smtp_user, self.smtp_pass)
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server.send_message(msg)
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def _send_starttls():
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with smtplib.SMTP(self.smtp_host, self.smtp_port, timeout=timeout) as server:
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if debug: server.set_debuglevel(1)
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server.ehlo(); server.starttls(context=ssl.create_default_context()); server.ehlo()
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server.login(self.smtp_user, self.smtp_pass)
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server.send_message(msg)
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try:
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if self.smtp_security == "STARTTLS":
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try:
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_send_starttls()
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except (smtplib.SMTPServerDisconnected, TimeoutError, smtplib.SMTPConnectError) as err:
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log.warning("STARTTLS/587 a échoué (%s). Tentative en SSL/465...", err)
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_send_ssl()
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else:
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_send_ssl()
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log.info("Email envoyé à %s", self.mail_to)
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return True
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except (smtplib.SMTPException, ssl.SSLError, TimeoutError) as err:
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log.exception("Erreur SMTP: %s", err); return False
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except Exception as err:
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log.exception("Echec envoi email: %s", err); return False
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# ========= Mise en forme messages =========
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from zoneinfo import ZoneInfo
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PARIS = ZoneInfo("Europe/Paris")
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def fmt_deg(v: float) -> str:
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s = f"{float(v):.1f}".replace(".", ","); return f"{s}°C"
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def now_paris() -> dt.datetime:
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return dt.datetime.now(tz=PARIS)
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def build_alert_text(site: str, sonde: str, temp: float, seuil: float, when: dt.datetime | None = None):
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when = when or now_paris()
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subject = f"[ALERTE {site}] {sonde} au-dessus du seuil"
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lines = [subject + ":", f"Sonde: {sonde}", f"Température: {fmt_deg(temp)} (seuil {fmt_deg(seuil)})", f"Site: {site}", f"Heure: {when.strftime('%Y-%m-%d %H:%M:%S')}"]
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txt = "\n".join(lines)
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return subject, txt, txt
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def build_ok_text(site: str, sonde: str, temp: float, seuil: float, when: dt.datetime | None = None):
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when = when or now_paris()
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subject = f"[OK {site}] {sonde} revenue normale"
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lines = [subject + ":", f"Sonde: {sonde}", f"Température: {fmt_deg(temp)} <= seuil {fmt_deg(seuil)}", f"Site: {site}", f"Heure: {when.strftime('%Y-%m-%d %H:%M:%S')}"]
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txt = "\n".join(lines)
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return subject, txt, txt
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# ========= Gyrophare MQTT =========
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class MQTTPublisher:
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def __init__(self, site: str):
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self.enabled = (_mqtt_ok and (os.getenv("GYRO_MODE", "").lower() == "mqtt"))
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self.site = site
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self.topic = (
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os.getenv(f"GYRO_MQTT_TOPIC_{site}") or
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os.getenv(f"GYRO_MQTT_TOPIC_{site.upper()}") or
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os.getenv("GYRO_MQTT_TOPIC") or
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f"Sondes/{site}/Gyro/cmd"
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)
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self.last_state: bool | None = None
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if not self.enabled:
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log.info("Gyro MQTT désactivé (GYRO_MODE != mqtt ou paho-mqtt absent).")
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return
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if not self.topic:
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log.warning("Topic MQTT manquant pour %s (GYRO_MQTT_TOPIC_%s)", site, site)
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self.enabled = False
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return
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host = os.getenv("MQTT_HOST", "localhost")
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port = int(os.getenv("MQTT_PORT", "1883"))
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user = os.getenv("MQTT_USER")
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pwd = os.getenv("MQTT_PASS")
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tls = (os.getenv("MQTT_TLS", "0") == "1")
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# --- Création du client MQTT : compatible paho 1.x et 2.x ---
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cbver = getattr(mqtt, "CallbackAPIVersion", None)
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if cbver is not None:
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# paho >= 2.x : on choisit la meilleure constante disponible
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api_v = (
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getattr(cbver, "VERSION2", None) # paho 2.x
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or getattr(cbver, "V5", None) # certaines builds
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or getattr(cbver, "v5", None) # fallback
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or getattr(cbver, "V311", None) # dernier recours
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)
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try:
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self.client = mqtt.Client(callback_api_version=api_v) if api_v else mqtt.Client()
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except TypeError:
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# vieux paho ne supporte pas l’argument callback_api_version
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self.client = mqtt.Client()
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else:
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# paho 1.x
|
||
self.client = mqtt.Client()
|
||
# ------------------------------------------------------------
|
||
|
||
if user and pwd:
|
||
self.client.username_pw_set(user, pwd)
|
||
if tls:
|
||
self.client.tls_set()
|
||
|
||
try:
|
||
self.client.connect(host, port, keepalive=30)
|
||
self.client.loop_start()
|
||
log.info("MQTT connecté (%s:%s), topic=%s", host, port, self.topic)
|
||
except Exception as e:
|
||
log.exception("MQTT connexion impossible: %s", e)
|
||
self.enabled = False
|
||
|
||
def set(self, on: bool):
|
||
if not self.enabled:
|
||
return
|
||
if self.last_state is not None and self.last_state == on:
|
||
return
|
||
|
||
payload = "ON" if on else "OFF"
|
||
try:
|
||
r = self.client.publish(self.topic, payload=payload, qos=2, retain=True)
|
||
r.wait_for_publish(timeout=3)
|
||
if r.rc != 0:
|
||
log.warning("MQTT publish rc=%s (topic=%s)", r.rc, self.topic)
|
||
else:
|
||
log.info("Gyro %s -> %s (MQTT)", self.site, payload.upper())
|
||
self.last_state = on
|
||
except Exception as e:
|
||
log.exception("MQTT publish erreur: %s", e)
|
||
|
||
|
||
# ========= Notifs haut-niveau =========
|
||
notifier = Notifier()
|
||
beacon = MQTTPublisher(SITE)
|
||
|
||
def notifier_sur_depassement(site: str, sonde: str, temp: float, seuil: float):
|
||
subject, sms_text, email_body = build_alert_text(site, sonde, temp, seuil)
|
||
notifier.send_sms(sms_text)
|
||
notifier.send_email(subject, email_body)
|
||
|
||
def notifier_acquittement(site: str, sonde: str, temp: float, seuil: float):
|
||
subject, sms_text, _ = build_ok_text(site, sonde, temp, seuil)
|
||
notifier.send_sms(sms_text)
|
||
|
||
# ========= Cycle & boucle =========
|
||
def run_monitor_cycle(site: str = SITE):
|
||
# 1) Lecture dernières mesures + config chambres
|
||
last_rows = lire_sondes_depuis_db(site) # [{'Sonde','Temperature','Date'}]
|
||
cfg = lire_cfg_chambres(site) # {sonde: {temp_max, active, entretien}}
|
||
|
||
# 2) Gyro instantané : ON si >=1 sonde active & non en entretien dépasse son seuil
|
||
try:
|
||
gyro_on, trigger = compute_site_alarm(last_rows, cfg, hysteresis=float(os.getenv("GYRO_HYSTERESIS", "0.0")))
|
||
if trigger:
|
||
s, t, se = trigger
|
||
log.info("Gyro %s => ON (déclenché par %s: %.2f > %.2f)", site, s, t, se)
|
||
else:
|
||
log.info("Gyro %s => OFF (aucun dépassement)", site)
|
||
beacon.set(gyro_on)
|
||
except Exception as e:
|
||
log.exception("Erreur calcul/publish gyrophare: %s", e)
|
||
|
||
# 3) Alertes "officielles" (inchangées) avec temporisation 30 min
|
||
# On reconstitue un dict seuils pour réutiliser ta logique existante en dessous.
|
||
seuils = {s: meta["temp_max"] for s, meta in cfg.items() if meta.get("active", False)}
|
||
|
||
for r in last_rows:
|
||
nom = str(r["Sonde"])
|
||
temp = float(r["Temperature"])
|
||
seuil = float(seuils.get(nom, 6.0))
|
||
|
||
now = now_paris()
|
||
if temp > seuil:
|
||
if depassement_depuis_30min(site, nom, seuil):
|
||
# Ouvrir si pas déjà ouvert → notifier seulement si ouverture réelle
|
||
try:
|
||
conn = get_db()
|
||
if open_alert(conn, f"Alertes_{site}", nom, now):
|
||
notifier_sur_depassement(site, nom, temp, seuil)
|
||
finally:
|
||
conn.close()
|
||
else:
|
||
# Fermer si ouvert → notifier seulement si fermeture réelle
|
||
try:
|
||
conn = get_db()
|
||
if close_alert(conn, f"Alertes_{site}", nom):
|
||
notifier_acquittement(site, nom, temp, seuil)
|
||
finally:
|
||
conn.close()
|
||
|
||
|
||
|
||
def run_monitor_loop(site: str = SITE, period_sec: int = 300):
|
||
log.info("%s démarré (site=%s, période=%ss) ✅", PROGRAM_NAME, site, period_sec)
|
||
while True:
|
||
t0 = time.time()
|
||
try:
|
||
run_monitor_cycle(site)
|
||
except Exception as err:
|
||
log.exception("Erreur cycle monitoring: %s", err)
|
||
time.sleep(max(0, period_sec - (time.time() - t0)))
|
||
|
||
# ========= CLI =========
|
||
if __name__ == "__main__":
|
||
import argparse
|
||
p = argparse.ArgumentParser(description=PROGRAM_NAME)
|
||
p.add_argument("--period", type=int, default=300)
|
||
p.add_argument("--test-sms", action="store_true")
|
||
p.add_argument("--test-mail", action="store_true")
|
||
p.add_argument("--test-alert", action="store_true")
|
||
p.add_argument("--test-ok", action="store_true")
|
||
p.add_argument("--once", action="store_true")
|
||
args = p.parse_args()
|
||
|
||
if args.test_sms: notifier.send_sms("TEST DOMO91 (transactionnel)")
|
||
elif args.test_mail: notifier.send_email(f"[TEST {SITE}] Mail", "OK")
|
||
elif args.test_alert: notifier_sur_depassement(SITE, "Congelateur", -14.5, -15.0)
|
||
elif args.test_ok: notifier_acquittement(SITE, "Congelateur", -15.2, -15.0)
|
||
else:
|
||
if args.once: run_monitor_cycle(SITE)
|
||
else: run_monitor_loop(SITE, period_sec=args.period)
|