Tableau Metadata Ingestion - (Workbooks, Datasources, Projects, Views, Dashboards, Metrics, etc.) It doesn't appear to be supported out of the box as of now. https://datahubproject.io/docs/metadata-ingestion

Heads up - this has been migrated to our new feature request portal, but! you should also check out #tableau-datahub-design to stay up to date with upcoming design/dev work