upgrade k8s vers, and add a script for future upgrades

roles/docker/vars/ubuntu-16.04.yml

@@ -0,0 +1,27 @@
+---
+docker_version: 1.11
+docker_kernel_min_version: '3.2'
+
+# https://apt.dockerproject.org/repo/dists/ubuntu-trusty/main/filelist
+docker_versioned_pkg:
+  latest: docker-engine
+  1.11: docker-engine=1.11.1-0~{{ ansible_distribution_release|lower }}
+
+docker_package_info:
+  pkg_mgr: apt
+  pkgs:
+    - "{{ docker_versioned_pkg[docker_version] }}"
+
+docker_repo_key_info:
+  pkg_key: apt_key
+  keyserver: hkp://p80.pool.sks-keyservers.net:80
+  repo_keys:
+    - 58118E89F3A912897C070ADBF76221572C52609D
+
+docker_repo_info:
+  pkg_repo: apt_repository
+  repos:
+    - >
+       deb https://apt.dockerproject.org/repo
+       {{ ansible_distribution|lower }}-{{ ansible_distribution_release|lower }}
+       main