remove 400 and 404 for get nodes endpoint and add 503 for secret update Upstream-commit: e8b92f154d68d17a09fa62ef8cd1b72163887c58 Component: engine
remove 400 and 404 for get nodes endpoint and add 503 for secret update Upstream-commit: e8b92f154d68d17a09fa62ef8cd1b72163887c58 Component: engine