fix(main.py): Generate proper traceback on exception

api/main.py

@@ -11,6 +11,7 @@
 import os
 import re
 import asyncio
+import traceback
 from typing import List, Union, Optional
 from datetime import datetime
 from contextlib import asynccontextmanager
@@ -35,7 +36,7 @@
 from fastapi_users import FastAPIUsers
 from beanie import PydanticObjectId
 from pydantic import BaseModel
 from kernelci.api.models import (
     Node,
     Hierarchy,
     PublishEvent,
@@ -1101,10 +1102,21 @@
     )
 
 
-"""Workaround to use global exception handlers for versioned API.
-The issue has already been reported here:
-https://github.com/DeanWay/fastapi-versioning/issues/30
-"""
+# traceback_exception_handler is a global exception handler that will be
+# triggered for all exceptions that are not handled by specific exception
+def traceback_exception_handler(request: Request, exc: Exception):
+    """Global exception handler to print traceback"""
+    print(f"Exception: {exc}")
+    traceback.print_exception(type(exc), exc, exc.__traceback__)
+    return JSONResponse(
+        status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+        content={"message": "Internal server error, check container logs"}
+    )
+
+
+# Workaround to use global exception handlers for versioned API.
+# The issue has already been reported here:
+# https://github.com/DeanWay/fastapi-versioning/issues/30
 for sub_app in versioned_app.routes:
     if hasattr(sub_app.app, "add_exception_handler"):
         sub_app.app.add_exception_handler(
@@ -1113,6 +1125,10 @@
         sub_app.app.add_exception_handler(
             errors.InvalidId, invalid_id_exception_handler
         )
+        # print traceback for all other exceptions
+        sub_app.app.add_exception_handler(
+            Exception, traceback_exception_handler
+        )
 
 
 @versioned_app.middleware("http")