- name: Add specific key
  apt_key: keyserver={{docker_repo_key_server}} id={{docker_repo_key}}

- name: Add docker repo
  apt_repository: repo='deb {{docker_repo}} ubuntu-{{ansible_distribution_release}} main' state=present

- name: Update apt
  apt: update_cache=yes

- name: Purge the old repo if it exists
  apt: name=lxc-docker* purge=yes 
  ignore_errors: yes

- name: Verify that apt is pulling from the right repository
  command: apt-cache policy docker-engine

- name: Install the recommended package
  apt: name=linux-image-extra-{{ansible_kernel}} state=present
  when: docker_install_recommended_package

- name: Install Docker
  apt: name=docker-engine state=present update_cache=yes

- name: Change ufw forward policy to ACCEPT
  command: sed -i 's/DEFAULT_FORWARD_POLICY="DROP"/DEFAULT_FORWARD_POLICY="ACCEPT"/g' /etc/default/ufw
  when: docker_listen_tcp == True

- name: Reload ufw
  command: ufw reload
  when: docker_listen_tcp == True

- name: Allow incoming tcp traffic on {{docker_listen_port}}
  command: ufw allow {{docker_listen_port}}/tcp
  when: docker_listen_tcp == True