---
# Docker installation and configuration tasks

- name: Remove old Docker packages
  apt:
    name:
      - docker
      - docker-engine
      - docker.io
      - containerd
      - runc
    state: absent
  tags: ['docker_install']

- name: Add Docker GPG key
  apt_key:
    url: https://download.docker.com/linux/ubuntu/gpg
    state: present
  tags: ['docker_install']

- name: Add Docker repository
  apt_repository:
    repo: "deb [arch=amd64] https://download.docker.com/linux/ubuntu {{ ansible_distribution_release }} stable"
    state: present
    update_cache: yes
  tags: ['docker_install']

- name: Install Docker CE
  apt:
    name:
      - docker-ce
      - docker-ce-cli
      - containerd.io
      - docker-buildx-plugin
      - docker-compose-plugin
    state: present
    update_cache: yes
  notify: restart docker
  tags: ['docker_install']

- name: Install Docker Compose standalone
  get_url:
    url: "https://github.com/docker/compose/releases/download/v{{ docker_compose_version }}/docker-compose-linux-x86_64"
    dest: /usr/local/bin/docker-compose
    mode: '0755'
    owner: root
    group: root
  tags: ['docker_compose']

- name: Remove existing docker-compose if present
  file:
    path: /usr/bin/docker-compose
    state: absent
  tags: ['docker_compose']

- name: Create docker-compose symlink
  file:
    src: /usr/local/bin/docker-compose
    dest: /usr/bin/docker-compose
    state: link
  tags: ['docker_compose']

- name: Start and enable Docker service
  systemd:
    name: docker
    state: started
    enabled: yes
    daemon_reload: yes
  tags: ['docker_service']

- name: Configure Docker daemon
  template:
    src: daemon.json.j2
    dest: /etc/docker/daemon.json
    backup: yes
  notify: restart docker
  tags: ['docker_config']

- name: Create Docker log rotation configuration
  template:
    src: docker-logrotate.j2
    dest: /etc/logrotate.d/docker
    mode: '0644'
  tags: ['docker_logging']

- name: Verify Docker installation
  command: docker --version
  register: docker_version
  changed_when: false
  tags: ['docker_verify']

- name: Verify Docker Compose installation
  command: docker-compose --version
  register: docker_compose_version_check
  changed_when: false
  tags: ['docker_verify']

- name: Display Docker versions
  debug:
    msg: |
      Docker version: {{ docker_version.stdout }}
      Docker Compose version: {{ docker_compose_version_check.stdout }}
  tags: ['docker_verify']

- name: Test Docker functionality
  docker_container:
    name: hello-world-test
    image: hello-world
    state: started
    auto_remove: yes
    detach: no
  register: docker_test
  tags: ['docker_test']

- name: Remove test container
  docker_container:
    name: hello-world-test
    state: absent
  tags: ['docker_test']

- name: Clean up Docker test image
  docker_image:
    name: hello-world
    state: absent
  tags: ['docker_test']