fix(logging): silence Twisted internal logs and Werkzeug startup banner from stdout

templates/ftp/server.py

@@ -71,7 +71,7 @@ class ServerFTPFactory(FTPFactory):
     welcomeMessage = BANNER
 
 if __name__ == "__main__":
-    twisted_log.startLogging(sys.stdout)
+    twisted_log.startLoggingWithObserver(lambda e: None, setStdout=False)
     _log("startup", msg=f"FTP server starting as {NODE_NAME} on port {PORT}")
     reactor.listenTCP(PORT, ServerFTPFactory())
     reactor.run()

templates/http/server.py

@@ -6,6 +6,7 @@ and responds with configurable pages. Forwards events as JSON to LOG_TARGET if s
 """
 
 import json
+import logging
 import os
 from pathlib import Path
 
@@ -13,6 +14,8 @@ from flask import Flask, request, send_from_directory
 from werkzeug.serving import make_server, WSGIRequestHandler
 from decnet_logging import syslog_line, write_syslog_file, forward_syslog
 
+logging.getLogger("werkzeug").setLevel(logging.ERROR)
+
 NODE_NAME     = os.environ.get("NODE_NAME", "webserver")
 SERVICE_NAME   = "http"
 LOG_TARGET    = os.environ.get("LOG_TARGET", "")

templates/rdp/server.py

@@ -51,7 +51,7 @@ class RDPServerFactory(protocol.ServerFactory):
 
 
 if __name__ == "__main__":
-    twisted_log.startLogging(sys.stdout)
+    twisted_log.startLoggingWithObserver(lambda e: None, setStdout=False)
     _log("startup", msg=f"RDP server starting as {NODE_NAME} on port 3389")
     reactor.listenTCP(3389, RDPServerFactory())
     reactor.run()