ansible/roles/docker/tasks/docker.yml

# 2023-09-25
# Tasks: docker
---

- ansible.builtin.include_vars: docker.yml

#
# Prepare Docker service
#

- name: Create directories
  ansible.builtin.file:
    path: "{{ item }}"
    owner: root
    group: root
    state: directory
    mode: u=rwx,g=rx,o=rx
  with_items: "{{ directories_create }}"
  when:
    - ansible_facts['system'] == "Linux"
  tags:
    - system
    - directories
    - create

- name: Process daemon.json template
  ansible.builtin.template:
    backup: true
    src: "{{ vm_template_daemon_json }}"
    dest: "{{ vm_daemon_json_root }}/{{ vm_template_daemon_json_name }}"
    owner: root
    group: root
    mode: u=rw,g=r,o=r
  when:
    - ansible_facts['system'] == "Linux"
  tags:
    - template
    - docker
    - daemon
    - add

- name: Process override.conf template
  ansible.builtin.template:
    backup: true
    src: "{{ vm_template_docker_override }}"
    dest: "{{ vm_docker_override_root }}/{{ vm_template_docker_override_name }}"
    owner: root
    group: root
    mode: u=rw,g=r,o=r
  when:
    - ansible_facts['system'] == "Linux"
  tags:
    - template
    - docker
    - override
    - add



#
# Install Docker
#

- name: Setup Docker's GPG
  ansible.builtin.shell: |
    install -m 0755 -d /etc/apt/keyrings
    curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
    chmod a+r /etc/apt/keyrings/docker.gpg
  when:
    - ansible_facts['system'] == "Linux"
    - ansible_facts['os_family'] == "Debian"
  tags:
    - docker
    - gpg

- name: Add Docker repository
  ansible.builtin.shell: |
    echo \
      "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian \
      "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
      sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
  when:
    - ansible_facts['system'] == "Linux"
    - ansible_facts['os_family'] == "Debian"
  tags:
    - docker
    - repositories

- name: Perform Docker packages cleanup
  ansible.builtin.package:
    state: absent
    name: "{{ docker_pakages_cleanup }}"
  when:
    - ansible_facts['system'] == "Linux"
  tags:
    - apt
    - packages
    - remove
    - docker

- name: Install Docker packages
  ansible.builtin.package:
    install_recommends: false
    update_cache: true
    name: "{{ docker_pakages_required + docker_pakages_needed }}"
  when:
    - ansible_facts['system'] == "Linux"
  tags:
    - apt
    - packages
    - add
    - docker

- name: Reload daemons
  ansible.builtin.systemd:
      daemon_reload: true
  when:
    - ansible_facts['system'] == "Linux"
  tags:
    - system
    - services
    - reload

- name: Ensure Docker is restarted
  ansible.builtin.service:
    name: "{{ item }}"
    state: restarted
  with_items: "{{ docker_services }}"
  when:
    - ansible_facts['system'] == "Linux"
  tags:
    - services
    - docker
    - start

- name: Install Grafana Loki Docker plugin
  community.docker.docker_plugin:
    plugin_name: "{{docker_loki_image}}:{{ docker_loki_version }}"
    alias: "{{ docker_loki_alias }}"
    state: enable
  when:
    - ansible_facts['system'] == "Linux"
  tags:
    - services
    - docker
    - plugins