I had some time to play with it and managed to setup rook, but I was unable to use it with any of the catalog apps. Ingress didn't seem to work either - what's the point having apps if you can't access them ;) Actually nothing worked in Rancher except its dashboard. I can't understand what's the point of this project is now, as you can have better results with original Kubernetes dashboard and there everything works. I feel very disappointed :(