add kernel version check...

tasks/main.yml

@@ -8,6 +8,14 @@
     - ../vars/{{ ansible_os_family }}.yml
     - ../vars/defaults.yml
 
+- name: check for minimum kernel version
+  fail:
+    msg: |
+          docker requires a minimum kernel version of 
+          {{ docker_kernel_min_version }} on 
+          {{ ansible_distribution }}-{{ ansible_distribution_version }}
+    when: ansible_kernel|version_compare("{{ docker_kernel_min_version }}", "<")
+
 - name: ensure docker requirements packages are installed
   action: "{{ docker_package_info.pkg_mgr }}"
   args: docker_package_info.args

vars/CentOS-6.5.yml

@@ -1,3 +1,5 @@
+docker_kernel_min_version: '2.6.32-431'
+
 docker_package_info:
   pkg_mgr: yum
   args:

vars/Debian.yml

@@ -1,3 +1,5 @@
+docker_kernel_min_version: '3.8'
+
 docker_package_info:
   pkg_mgr: apt
   args:

vars/Fedora-20.yml

@@ -1,3 +1,5 @@
+docker_kernel_min_version: '0'
+
 docker_package_info:
   pkg_mgr: yum
   args:

vars/RedHat.yml

@@ -1,3 +1,5 @@
+docker_kernel_min_version: '0'
+
 docker_package_info:
   pkg_mgr: yum
   args:

vars/Ubuntu.yml

@@ -0,0 +1,34 @@
+docker_kernel_min_version: '3.10'
+
+docker_package_info:
+  pkg_mgr: apt
+  args:
+    pkg: "{{ item }}"
+    update_cache: yes
+    cache_valid_time: 600
+    state: latest
+  pre_pkgs: 
+    - apt-transport-https
+    - software-properties-common
+  pkgs:
+    - lxc-docker
+
+docker_repo_key_info:
+  pkg_key: apt_key
+  args:
+    id: "{{ item }}"
+    keyserver: hkp://keyserver.ubuntu.com:80
+    state: present
+  repo_keys:
+    - 36A1D7869245C8950F966E92D8576A8BA88D21E9
+
+docker_repo_info:
+  pkg_repo: apt_repository
+  args:
+    repo: "{{ item }}"
+    update_cache: yes
+    state: present
+  repos:
+    - deb https://get.docker.io/ubuntu docker main
+
+docker_pip_path: /usr/local/bin/pip