docker-ubuntu-13x.yml

# vagrant.yml
- hosts: all
  user: vagrant
  sudo: True
  tasks:
  - name: Update APT package cache
    apt: update_cache=yes

  - name: Upgrade APT packages
    apt: upgrade=yes

  - name: Install linux-image-extra
    apt: pkg=linux-image-extra-{{ ansible_kernel }} state=present

  # Add the Docker repository key to your local keychain
  # using apt-key finger you can check the fingerprint matches 36A1 D786 9245 C895 0F96 6E92 D857 6A8B A88D 21E9
  - shell: wget -qO- https://get.docker.io/gpg | apt-key add -

  # Add the Docker repository to your apt sources list.
  - shell: echo deb http://get.docker.io/ubuntu docker main > /etc/apt/sources.list.d/docker.list

  - name: Update APT package cache
    apt: update_cache=yes

  - name: Update APT package cache
    apt: pkg=lxc-docker state=present