Download wizzy and initialize the directory with git as specified in the instructions. Instructions are here - Installation
Set Grafana properties if not set already:
$ wizzy set grafana url http://localhost:3000
$ wizzy set grafana username admin
$ wizzy set grafana password password
Import all Grafana dashboards:
$ wizzy import dashboards
Have you aws config stored at its standard location ~/.aws/config
Set S3 Bucket name.
$ wizzy set s3 bucket_name grafana-setup
$ wizzy upload to-s3 dashboards
You dashboards are stored have been uploaded to AWS S3 now!