Mount Google Cloud Storage Bucket to Instance
With the new beta gcsfuse
this is now possible.
gcsfuse myBucket ~/path/to/mount
https://cloud.google.com/storage/docs/gcs-fuse
install gcsfuse on your virtual instance.
then
$ gcsfuse {{bucket name}} ~{{mounting path}}
https://medium.com/google-cloud/scheduled-mirror-sync-sftp-to-gcs-b167d0eb487a