moonraker: provide startup warnings as a list

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>

moonraker/moonraker.py

@@ -92,12 +92,8 @@ class Server:
         self.register_upload_handler = app.register_upload_handler
         self.register_api_transport = app.register_api_transport
 
-        log_warn = args.get('log_warning', "")
-        if log_warn:
-            self.add_warning(log_warn)
-        cfg_warn = args.get("config_warning", "")
-        if cfg_warn:
-            self.add_warning(cfg_warn)
+        for warning in args.get("startup_warnings", []):
+            self.add_warning(warning)
 
         self.register_endpoint(
             "/server/info", ['GET'], self._handle_info_request)
@@ -440,6 +436,8 @@ def main(cmd_line_args: argparse.Namespace) -> None:
     cfg_file = cmd_line_args.configfile
     app_args = {'config_file': cfg_file}
 
+    startup_warnings: List[str] = []
+    app_args["startup_warnings"] = startup_warnings
     # Setup Logging
     version = utils.get_software_version()
     if cmd_line_args.nologfile:
@@ -451,7 +449,7 @@ def main(cmd_line_args: argparse.Namespace) -> None:
     app_args['python_version'] = sys.version.replace("\n", " ")
     ql, file_logger, warning = utils.setup_logging(app_args)
     if warning is not None:
-        app_args['log_warning'] = warning
+        startup_warnings.append(warning)
 
     # Start asyncio event loop and server
     event_loop = EventLoop()
@@ -468,7 +466,9 @@ def main(cmd_line_args: argparse.Namespace) -> None:
                 estatus = 1
                 break
             app_args['config_file'] = backup_cfg
-            app_args['config_warning'] = (
+            warn_list = list(startup_warnings)
+            app_args["startup_warnings"] = warn_list
+            warn_list.append(
                 f"Server configuration error: {e}\n"
                 f"Loaded server from most recent working configuration:"
                 f" '{app_args['config_file']}'\n"
@@ -494,7 +494,7 @@ def main(cmd_line_args: argparse.Namespace) -> None:
         # before the server restarts
         if alt_config_loaded:
             app_args['config_file'] = cfg_file
-            app_args.pop('config_warning', None)
+            app_args["startup_warnings"] = startup_warnings
             alt_config_loaded = False
         event_loop.close()
         # Since we are running outside of the the server