Generator cannot run when there is no Go file in apis folder

[muvaf]

What happened?

When I delete all generated files from apis folder, the following side-effect import throws error:

_ "github.com/crossplane-contrib/provider-tf-aws/apis"

imports github.com/crossplane-contrib/provider-tf-aws/apis: build constraints exclude all Go files in /Users/monus/go/src/github.com/crossplane/provider-tf-aws/apis

I think we should have a non-generated Go file in apis folder that contains a config.Provider object that will be populated by the init() calls of custom.go files in CRD packages instead of targeting the Provider instance in Terrajet package.

How can we reproduce it?

• Clone https://github.com/crossplane-contrib/provider-tf-aws
• Run find apis -iname 'zz_*' | xargs rm -rf && find internal -iname 'zz_*' | xargs rm -rf
• Run go run cmd/generator/main.go

[turkenh]

We had a couple of offline discussions about some restructuring around how we are taking custom configuration from users. @ulucinar also mentioned today, the experience would be much better if we put custom configuration into a separate directory like custom/rds/custom.go instead of apis/rds/custom.go which would then allow us to clean up simply by deleting apis and internal directories before generating schema and controllers.

I wanted to mention this here since it could be fixed by importing a non-generating directory as a side effect.

[turkenh]

Similarly, this will be resolved as part of #61