---
# Rol para instalación de Docker
# A partir de instrucciones en
# https://docs.docker.com/engine/installation/linux/docker-ce/debian/

- name: Instalar pre-dependencias
  when: docker_target_release == 'stretch'
  apt:
    name: apt-transport-https
    state: present
  tags: skip_me

- name: Instalar dependencias (python2)
  when: ansible_python.version.major == 2
  apt:
    name: python-pip
    state: present
  tags: skip_me

- name: Instalar dependencias (python3)
  when: ansible_python.version.major == 3
  apt:
    name: python3-pip
    state: present
  tags: skip_me

- name: Clave repositorio APT de Docker
  apt_key:
    url: https://download.docker.com/linux/debian/gpg
    state: present
  tags: skip_me

- name: Configurar repo APT de Docker
  apt_repository:
    repo: deb https://download.docker.com/linux/debian {{ docker_target_release }} stable
    state: present
  tags: skip_me

- name: Instalar docker
  apt:
    name: docker-ce
    state: present
  tags: skip_me

- name: Habilitar containerd
  service:
    name: containerd
    state: started
    enabled: yes

- name: Desinstalar python-docker de APT
  apt:
    name: python-docker
    state: absent
  tags: skip_me

- name: Desinstalar python-backports.ssl-match-hostname de PIP
  pip:
    name: backports.ssl-match-hostname
    state: absent
  tags: skip_me

- name: Instalar python-backports.ssl-match-hostname con APT
  apt:
    name: python-backports.ssl-match-hostname
    state: present
  tags: skip_me

- name: Instalar python-docker mediante pip
  pip:
    name: docker
    state: present

- name: Configuracion de red interna
  copy:
    content: |
      { "bip": "10.208.0.1/16" }
    dest: /etc/docker/daemon.json
  notify: restart docker

- name: Red interna para contenedores
  docker_network:
    name: "{{ docker_network_name }}"
    state: present

- name: Directorio de build buster-slim
  file:
    path: /root/.buster-slim-docker-image
    state: directory
  tags: skip_me

- name: Copiar archivos de build
  copy:
    content: |
      FROM debian:buster-slim
      ARG CONFD_VERSION={{ docker_confd_version }}
      ADD https://github.com/kelseyhightower/confd/releases/download/v${CONFD_VERSION}/confd-${CONFD_VERSION}-linux-amd64 /usr/local/bin/confd
      RUN printf '#!/bin/bash\n/usr/local/bin/confd -onetime -backend env\nexec ${@}' > /entrypoint.sh \
        && mkdir -p /etc/confd/{conf.d,templates} \
        && chmod +x /usr/local/bin/confd /entrypoint.sh
      ENTRYPOINT /entrypoint.sh
    dest: /root/.buster-slim-docker-image/Dockerfile
  tags: skip_me

- name: Crear imagen {{ docker_base_image }}
  docker_image:
    state: present
    name: "{{ docker_base_image }}"
    path: /root/.buster-slim-docker-image
  tags: skip_me

- name: Exportar variables para otros roles
  set_fact:
    docker_network: "{{ lookup('vars', 'docker_network_name') }}"
    docker_network_name: "{{ lookup('vars', 'docker_network_name') }}"
    docker_base_image: "{{ lookup('vars', 'docker_base_image') }}"