to be more clear, it doesn't seem like there is a GS module that directly mimics the behavior of the S3 module, am I correct?

correct, but it might not have a huge impact, since all other functionality of Metaflow works out of the box on Gcloud

The main thing I need to be able to do is allow my users to upload their data to a random bucket

yep. You can use their standard Python client for that https://cloud.google.com/python/docs/reference/storage/latest

we don't store everything in Hive

all Metaflow artifacts, e.g. anything stored in

self.

work out of the box with GCP, so it's only when you want to upload their non-artifact data to a random bucket when you'd need it you could wrap it in a small convenience library of yours, so the data scientists don't have to worry about details

ok thank you for the prompt answer

let us know if you need help with this or anything else 🙂