Import Ansible playbook for bootstrap k8s cluster

contrib/ansible/roles/bootstrap/tasks/main.yml

@@ -0,0 +1,39 @@
+---
+- name: Ensure dependencies are installed.
+  apt:
+    name:
+      - apt-transport-https
+      - ca-certificates
+    state: present
+
+- name: Add Kubernetes apt key.
+  apt_key:
+    url: https://packages.cloud.google.com/apt/doc/apt-key.gpg
+    state: present
+
+- name: Add Kubernetes repository.
+  apt_repository:
+    repo: "{{ kubernetes_apt_repository }}"
+    state: present
+    update_cache: true
+
+- name: Install kubeadm kubelet kubectl
+  apt:
+    pkg:
+      - kubeadm={{ k8s_version }}-00
+      - kubelet={{ k8s_version }}-00
+      - kubectl={{ k8s_version }}-00
+      - kubernetes-cni=0.7.5-00
+    update_cache: yes
+  notify: restart kubelet
+
+- name: Add Kubernetes apt preferences file to pin a version.
+  template:
+    src: apt-preferences-kubernetes.j2
+    dest: /etc/apt/preferences.d/kubernetes
+
+- name:
+  template:
+    src: daemon.json
+    dest: /etc/docker/daemon.json
+  notify: restart docker daemon