Agree with @ThomazNeto - only thing I would add is your point 3 requirement: you could also consider using Terraform instead DABs or job for managing the ABAC policies across multiple environments. It does not support the beta features i.e. metastor...
I am curious - both @adnan_alvee and @ShamenParis has slightly different approach and both makes sense. Perhaps an open question - is the former more idiomatic even though both could work in this case?
I can't seem to find any public information on how you would fetch data from Hospino i.e. No API docs. It might be worthwhile reaching out to the vendor itself as I have from experience noticed that some of the vendors in the healthcare sector like t...