feat: init projet supervision — monitoring systeme Windows

Interface web Flask securisee pour surveiller CPU, RAM, disques
et processus (JVM, Nginx, Amadea Web 8 x64).
Alertes email SMTP configurables, seuils reglables, compilation
PyInstaller en .exe, installation service Windows via NSSM.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

alerter.py

@@ -0,0 +1,81 @@
+"""Envoi d'alertes par email via SMTP."""
+
+import smtplib
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+
+
+class EmailAlerter:
+    def __init__(self, config_manager):
+        self.config = config_manager
+
+    def _get_smtp_config(self):
+        return self.config.get("smtp", {})
+
+    def is_configured(self):
+        smtp = self._get_smtp_config()
+        return bool(smtp.get("server") and smtp.get("from_email") and smtp.get("to_emails"))
+
+    def send_alert(self, subject, body):
+        """Envoie un email d'alerte. Silencieux si SMTP non configure."""
+        if not self.is_configured():
+            return False, "SMTP non configure"
+        return self._send_email(subject, body)
+
+    def send_test(self):
+        """Envoie un email de test pour valider la configuration SMTP."""
+        if not self.is_configured():
+            return False, "Configuration SMTP incomplete"
+        subject = "[TEST] Supervision - Test de configuration email"
+        body = (
+            "Ceci est un email de test.\n\n"
+            "Si vous recevez ce message, la configuration SMTP est correcte.\n\n"
+            "-- Supervision"
+        )
+        return self._send_email(subject, body)
+
+    def _send_email(self, subject, body):
+        smtp_cfg = self._get_smtp_config()
+        try:
+            msg = MIMEMultipart()
+            msg["From"] = smtp_cfg["from_email"]
+            msg["To"] = ", ".join(smtp_cfg["to_emails"])
+            msg["Subject"] = subject
+            msg.attach(MIMEText(body, "plain", "utf-8"))
+
+            server_addr = smtp_cfg["server"]
+            port = int(smtp_cfg.get("port", 587))
+            use_tls = smtp_cfg.get("use_tls", True)
+
+            if use_tls:
+                server = smtplib.SMTP(server_addr, port, timeout=15)
+                server.ehlo()
+                server.starttls()
+                server.ehlo()
+            else:
+                server = smtplib.SMTP(server_addr, port, timeout=15)
+                server.ehlo()
+
+            username = smtp_cfg.get("username", "")
+            password = smtp_cfg.get("password", "")
+            if username and password:
+                server.login(username, password)
+
+            server.sendmail(
+                smtp_cfg["from_email"],
+                smtp_cfg["to_emails"],
+                msg.as_string(),
+            )
+            server.quit()
+            return True, "Email envoye avec succes"
+
+        except smtplib.SMTPAuthenticationError:
+            return False, "Erreur d'authentification SMTP (identifiants incorrects)"
+        except smtplib.SMTPConnectError:
+            return False, f"Impossible de se connecter au serveur SMTP {server_addr}:{port}"
+        except smtplib.SMTPRecipientsRefused:
+            return False, "Destinataire(s) refuse(s) par le serveur"
+        except TimeoutError:
+            return False, f"Timeout de connexion vers {server_addr}:{port}"
+        except Exception as e:
+            return False, f"Erreur SMTP: {str(e)}"