Kubernetes
Open needed Kubernetes ports.
{% if kubernetes_master == false or kubernetes_master_taint == true %}
{% endif %}
{% if kubernetes_master == true %}
# Kubernetes API server, used by all
# etcd server client API, used by kube-apiserver and etcd
# Kubelet API, used by self and control plane
# kube-scheduler, used by self
# kube-controler-manager, used by self
# ???
{% else %}
{% endif %}