Right now the set up does not support multiple masters, which is not good, as if the master fails, the whole cluster fails. Here's a relating repo that might help with the multiple master setup:
I use kubeadm to initialize HA cluster. Checkout this doc. I did some research and upgrade our k8s cluster to 14.1 by using this method. I think we could replace codes in ansible part with kubeadm.
Right now the set up does not support multiple masters, which is not good, as if the master fails, the whole cluster fails. Here's a relating repo that might help with the multiple master setup:
fanux/sealos
He also created a command line tool, which means he requires machines that are already set up. So this is not really similar to us.