Work around eventlet/eventlet#807

The WSGI server logs every HTTP response at level INFO, which is
inappropriately verbose. As a workaround, disable response logging at
application log levels above DEBUG.

changedetectionio/__init__.py

@@ -182,15 +182,19 @@ def hide_referrer(response):
 
     s_type = socket.AF_INET6 if ipv6_enabled else socket.AF_INET
 
+    wsgi_enable_access_log = logger_level in { 'TRACE', 'DEBUG' }
+
     if ssl_mode:
         # @todo finalise SSL config, but this should get you in the right direction if you need it.
         eventlet.wsgi.server(eventlet.wrap_ssl(eventlet.listen((host, port), s_type),
                                                log=logger,
+                                               log_output=wsgi_enable_access_log,
                                                certfile='cert.pem',
                                                keyfile='privkey.pem',
                                                server_side=True), app)
 
     else:
         eventlet.wsgi.server(eventlet.listen((host, int(port)), s_type), app,
-                             log=logger)
+                             log=logger,
+                             log_output=wsgi_enable_access_log)