pkg/middlewares/aws_route_table_expander.go - NewAwsRouteTableExpander - why does this exist ?

[n2N8Z]

Description

The route table expander middleware (pkg/middlewares/aws_route_table_expander_test.goNewAwsRouteTableExpander) clearly states that it:
"Explodes routes found in aws_default_route_table.route and aws_route_table.route to dedicated resources"
which runs contrary to the purpose of driftctl which is to find "resources not covered by IaC".

Every route that is expanded by this middleware is a route that is not covered bi IaC, and is hidden from the user.
Why does this middleware exist ?

How to reproduce

Run driftctl against any AWS environment with manually added routes, and driftctl will not report those routes.

Possible Solution

Remove aws_route_table_expander_test.goNewAwsRouteTableExpander.

Additional context

If aws_route_table_expander_test.goNewAwsRouteTableExpander are removed, propagated routes need to be ignored, or perhaps propagated routes are the only routes that this middleware expands and hence hides from the user.