---
  # main tasks to install docker

- name: install packages
  apt:
    state: installed
    package: "{{ item }}"
    update_cache: yes
    cache_valid_time: 3600
  with_items:
    - "wget"
    - "apt-transport-https"
    - "ca-certificates"

#- name: run docker install script
#  command: "wget -qO- https://get.docker.com/ | sh"
#  args:
#    creates: /usr/bin/docker

#- stat:
#    path: /usr/bin/docker
#  register: docker
#
#- debug: var=docker

#- name: download install script
#  get_url:
#    url: https://get.docker.com/
#    dest: /tmp/docker_install.sh
#    mode: 500
#  when: docker.stat.exists == false
#
#- name: run install script
#  script: /tmp/docker_install.sh
#  args:
#    creates: /usr/bin/docker
#  when: docker.stat.exists == false

- name: create docker group
  group: state=present name=docker gid=999 system=yes

- name: add users to docker group
  user: name={{ item }} groups=docker append=yes
  with_items: "{{ dockerhost.users }}"


- name: install via apt
  apt:
    update_cache: true
    package: "{{ item }}"
  with_items:
    - docker-engine
    - docker-compose
    - virtualbox-guest-dkms


- name: copy docker config file
  copy:
    src: daemon.json
    dest: /etc/docker/daemon.json

- name: create mount points for shares
  file:
    state: directory
    dest: /mnt/dkhost

# vbox shares are mounted in home folders of users with vboxsf group
#- name: add root to vboxsf group
#  user: name={{ item }} groups=vboxsf append=yes
#  with_items: "{{ dockerhost.users }}"

- name: setup host shares in fstab
  lineinfile:
    state: present
    dest: /etc/fstab
    insertafter: EOF
    regexp: '^#?dkhost '
    line: 'dkhost /mnt/dkhost vboxsf  noauto  0 0'

- name: mount host shares in rc.local
  lineinfile:
    state: present
    dest: /etc/rc.local
    insertafter: 'exit 0'
    regexp: '^#?mount dkhost'
    line: 'mount dkhost'