Have you considered reaching out to DevOps folks to consider something like this for complex configurations?...There are related solutions such as jsonnet/ksonette but I think something like this might be preferable.

I work on a similar problem though using a UI based approach, I gave a demo to the Kubernetes SIG App group a while back which be found here: https://www.youtube.com/watch?v=alEzE8MSNaI&t=30m

Btw Ethan, maybe my email is landing in your Spam folder? I've tried reaching out :)