* Add a flag "authorization_method", when set to "RBAC" enables role based access control.
* Add required cluster roles and bindings for kube-dns
* Patch tiller deployment to use a service account with proper credentials.
* Add a flag to regenerate kubernetes certs on the nodes.
Updates based on feedback
Simplify checks for file exists
remove invalid char
Review feedback. Use regular systemd file.
Add template for docker systemd atomic
kubelet lost the ability to load kernel modules. This
puts that back by adding the lib/modules mount to kubelet.
The new variable kubelet_load_modules can be set to true
to enable this item. It is OFF by default.
