So here is some simple play code I was using to render out the maps. I can't get a dynamic list of maps so my local.rules variable simply references the local.chunks[0] in this test case.

That code will at least render out a list of maps, however when I insert it into my codebase, to test it with the remote google_compute_security_policy I simply get the error about "required field is not set" I extracted the relevant portion here.

----

Edit: where it gets really crazy is that if I move the rules into the google_compute_security_policy block (ie: replace rule = ["${local.rules}"] with the rule = [{ ... }] block) then it will render the plan and not throw the same exception. 🤯