Ensure apiserver role can only be used on AWS (because of firewalling)
Apply api-server label to CP as well
Consolidate node not ready validation message
Guard apiserver nodes with a feature flag
Rename Apiserver role to APIServer
Add an integration test for apiserver nodes
Rename Apiserver role to APIServer
Enumerate all roles in rolling update docs
Apply suggestions from code review
Co-authored-by: Steven E. Harris <seh@panix.com>
We don't call klog.InitFlags yet, because that will cause a flag
redefinition error until we get everyone to stop using glog. That
will happen when we update to k8s 1.13.
In 1.12 (kops & kubenetes):
* We default etcd-manager on
* We default to etcd3
* We default to full TLS for etcd (client and peer)
* We stop allowing external access to etcd