Separate master role from worker role

[DorianGray]

Currently, kube-config enable-master sets the master up as a worker as well as master. It would be nice to have the two separated so they can run independently.

Bonus points for implementing setup of a multimaster cluster.

What are everyone's thoughts on this?

[luxas]

I'm researching a bit in HA, and have gotten etcd cluster in a sane way at least. HA in Kubernetes is a work-in-progress topic, but I'll suggest that you should join sig-high-availability on Slack.
The HA guru is @mikedanese (sorry for pinging you), and I'll excitedly watch and maybe contribute to the high availability work. The problem right now is to find a reliable bare-metal load-balancer setup.

I may consider k8s-master-only.service in future releases. Thanks