S3 custom provider -> Add region field and make code a bit more custom provider friendly

[Philip_J]

friendly bump on this too.

I think my issue below might be related:

Has anyone got the s3 connecter to work with Google Cloud Storage?

Just wondering. I’ve hit some errors on my end but this is my first foray into to object storage so i’m thinking its user/configuration issues. I can list the bucket names, but can’t go a next step down and list bucket contents, kepp getting an error like: {"status":"500","code":"NotImplemented","message":"A header or query you provided requested a function that is not implemented.","stack":"NotImplemented: A header or query you provided requested a function that is not implemented.\n at …