---

- name: Image build
  when: dockerfile_needed
  block:
    - name: Set docker_build_directory variable
      set_fact:
        docker_build_directory: /opt/{{ docker_namespace }}/build

    - name: Create container build directory
      file:
        path: "{{ docker_build_directory }}"
        state: directory

    - name: Put dockerfile in place
      template:
        src: Dockerfile.j2
        dest: "{{ docker_build_directory }}/Dockerfile"
        mode: 0644

    - name: Build docker image for {{ docker_service }}
      docker_image:
        name: "local_{{ docker_service }}"
        source: build
        force_source: true
        build:
          pull: true
          path: "{{ docker_build_directory }}"
      register: built_image
      changed_when:
        - not ansible_check_mode
        - built_image.changed

- name: Pull container image for {{ docker_service_name }}
  docker_image:
    name: "{{ docker_image }}"
    source: pull
    force_source: true
  register: pulled_image
  when: not dockerfile_needed
  changed_when:
    - not ansible_check_mode
    - pulled_image.changed

- name: Set container_image variable
  set_fact:
    container_image: "{{ item.image }}"
  when: item.skipped is not defined or not item.skipped
  loop:
    - "{{ built_image }}"
    - "{{ pulled_image }}"

- name: Check mode image info
  when: ansible_check_mode
  block:
    - name: Get docker image info for check mode
      docker_image_info:
        name: "{{ ('local_' + docker_service) if dockerfile | length > 0 else docker_image }}"
      register: existing_image

    - name: Set check mode container_image variable
      set_fact:
        container_image: "{{ existing_image.images[0] }}"
      when: existing_image.images | length > 0

- name: Set image user variable
  set_fact:
    image_user: "{{ container_image.Config.User }}"
  when:
    - not ansible_check_mode
    - container_image.Config.User | int