fix ftp

vm2/src/ftp_csv_receiver.py

@@ -29,6 +29,9 @@ logger = logging.getLogger(__name__)
 class ASEHandler(FTPHandler):
     """Custom FTP handler that extends FTPHandler with custom commands and file handling."""
 
+    # Permetti connessioni dati da indirizzi IP diversi (importante per NAT/proxy)
+    permit_foreign_addresses = True
+
     def __init__(self: object, conn: object, server: object, ioloop: object = None) -> None:
         """Initializes the handler, adds custom commands, and sets up command permissions.
 
@@ -155,13 +158,27 @@ def main():
         handler = ASEHandler
         handler.cfg = cfg
         handler.authorizer = authorizer
-        handler.masquerade_address = cfg.proxyaddr
+
+        # Set masquerade address only if configured (importante per HA con VIP)
+        # Questo è l'IP che il server FTP pubblicherà ai client per le connessioni passive
+        if cfg.proxyaddr and cfg.proxyaddr.strip():
+            handler.masquerade_address = cfg.proxyaddr
+            logger.info(f"FTP masquerade address configured: {cfg.proxyaddr}")
+        else:
+            logger.info("FTP masquerade address not configured - using server's default IP")
 
         # Set the range of passive ports for the FTP server
-        _range = list(range(cfg.firstport, cfg.firstport + cfg.portrangewidth))
-        handler.passive_ports = _range
+        passive_ports_range = list(range(cfg.firstport, cfg.firstport + cfg.portrangewidth))
+        handler.passive_ports = passive_ports_range
 
+        # Log configuration
         logger.info(f"Starting FTP server on port {cfg.service_port} with DatabaseAuthorizer")
+        logger.info(
+            f"FTP passive ports configured: {cfg.firstport}-{cfg.firstport + cfg.portrangewidth - 1} "
+            f"({len(passive_ports_range)} ports)"
+        )
+        logger.info(f"FTP permit_foreign_addresses: {handler.permit_foreign_addresses}")
+        logger.info(f"Database connection: {cfg.dbuser}@{cfg.dbhost}:{cfg.dbport}/{cfg.dbname}")
 
         # Create and start the FTP server
         server = FTPServer(("0.0.0.0", cfg.service_port), handler)