[Python] Add API for testing downstream error code (#545)

Author: majanjua-amzn

sample-apps/python/django_frontend_service/django_frontend_service/urls.py

@@ -10,4 +10,5 @@
     path('remote-service', views.downstream_service),
     path('client-call', views.async_service),
     path('mysql', views.mysql),
+    path('status/<int:code>', views.status),
 ]

sample-apps/python/django_frontend_service/frontend_service_app/views.py

@@ -186,3 +186,13 @@ def mysql(request):
         logger.error("Could not complete http request to RDS database:" + str(e))
     finally:
         return get_xray_trace_id()
+
+def status(request, code):
+    ip = request.GET.get('ip', 'localhost')
+    ip = ip.replace("/", "")
+    try:
+        requests.get(f"http://{ip}:8001/status/{code}")
+    except Exception:
+        pass  # Ignore exception
+    logger.info(f"Service A requested status code {code} from Service B")
+    return get_xray_trace_id()

sample-apps/python/django_remote_service/django_remote_service/urls.py

@@ -5,4 +5,5 @@
 
 urlpatterns = [
     path('healthcheck', views.healthcheck),
+    path('status/<int:code>', views.status),
 ]

sample-apps/python/django_remote_service/remote_service_app/views.py

@@ -4,3 +4,6 @@
 
 def healthcheck(request):
     return HttpResponse("Remote service healthcheck")
+
+def status(request, code):
+    return HttpResponse(status=code)