---
- name: prepare /var/lib/docker as LVM
  when: docker_lvm is defined
  block:

  - name: create logical volume
    lvol:
      vg: "{{ docker_lvm.vg }}"
      lv: "{{ docker_lvm.lv }}"
      size: "{{ docker_lvm.size }}"

  - name: create filesystem
    filesystem:
      fstype: "{{ docker_lvm.fs }}"
      dev: "/dev/mapper/{{ docker_lvm.vg }}-{{ docker_lvm.lv }}"

  - name: mount filesytem
    mount:
      src: "/dev/mapper/{{ docker_lvm.vg }}-{{ docker_lvm.lv }}"
      path: /var/lib/docker
      fstype: "{{ docker_lvm.fs }}"
      state: mounted

- name: install apt https transport
  apt:
    name: apt-transport-https
    state: present

- name: add docker apt key
  apt_key:
    data: "{{ lookup('file', 'docker-apt-key.asc') }}"
    state: present

- name: add docker apt repo
  apt_repository:
    repo: "deb https://download.docker.com/linux/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} stable"
    state: present
    filename: docker

- name: install docker
  apt:
    name: docker-ce
    state: present