Fix idempotency/recurrence of download and preinstall

* Don't push containers if not changed
* Do preinstall role only once and redistribute defaults to
  corresponding roles

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>

roles/kubernetes/node/defaults/main.yml

@@ -1,6 +1,13 @@
 # This is where all the cert scripts and certs will be located
 kube_cert_dir: "{{ kube_config_dir }}/ssl"
 
+# change to 0.0.0.0 to enable insecure access from anywhere (not recommended)
+kube_apiserver_insecure_bind_address: 127.0.0.1
+
+# This is where you can drop yaml/json files and the kubelet will run those
+# pods on startup
+kube_manifest_dir: "{{ kube_config_dir }}/manifests"
+
 dns_domain: "{{ cluster_name }}"
 
 # resolv.conf to base dns config
@@ -15,5 +22,16 @@ kube_proxy_masquerade_all: true
 #   - extensions/v1beta1/daemonsets=true
 #   - extensions/v1beta1/deployments=true
 
+# Logging directory (sysvinit systems)
+kube_log_dir: "/var/log/kubernetes"
+
+# This directory is where all the additional config stuff goes
+# the kubernetes normally puts in /srv/kubernets.
+# This puts them in a sane location.
+# Editting this value will almost surely break something. Don't
+# change it. Things like the systemd scripts are hard coded to
+# look in here. Don't do it.
+kube_config_dir: /etc/kubernetes
+
 nginx_image_repo: nginx
 nginx_image_tag: 1.11.4-alpine