ansible/roles/docker/tasks/main.yml

- name: Setup docker
  become: "{{ false if inventory_hostname == 'nas.home.lan' else true }}"
  block:
    - name: Facts
      ansible.builtin.setup:

    - name: Print arch
      ansible.builtin.debug:
        msg: "{{ ansible_architecture }}"
    - name: Install docker dependencies
      ansible.builtin.apt:
        name:
          - ca-certificates
          - curl
          - telnet
          - net-tools
          - python3-pip
          - python3-dev
        state: present
        update_cache: true
    - name: Get keys for raspotify
      ansible.builtin.command:
        install -m 0755 -d /etc/apt/keyrings


    # - name: Add an Apt signing key to a specific keyring file
    #   ansible.builtin.apt_key:
    #     url: https://download.docker.com/linux/debian/gpg
    #     keyring: /etc/apt/keyrings/docker.asc
    #   when:
    #     - ansible_distribution == "Debian"  and ansible_distribution_major_version  == "12"

    # - name: Get keys for raspotify
    #   ansible.builtin.shell:
    #     curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
    #   when:
    #     - ansible_distribution == "Debian"  and ansible_distribution_major_version  == "12"

    - name: Get keys for raspotify
      ansible.builtin.shell:
        curl -fsSL https://download.docker.com/linux/raspbian/gpg -o /etc/apt/keyrings/docker.asc
      when:
        - ansible_distribution == "Debian"  and ansible_distribution_major_version  == "12"


    - name: Ensure docker keyring directory exists
      ansible.builtin.file:
        path: /etc/apt/keyrings
        state: directory
        mode: "0755"

    - name: Download Docker GPG key
      ansible.builtin.get_url:
        url: https://download.docker.com/linux/debian/gpg
        dest: /etc/apt/keyrings/docker.asc
        mode: "0644"
      when:
        - ansible_distribution == "Debian"  and ansible_distribution_major_version  == "13"

    - name: Install docker.sources file
      ansible.builtin.template:
        src: docker.sources.j2
        dest: /etc/apt/sources.list.d/docker.sources
        owner: root
        group: root
        mode: "0644"
      when:
        - ansible_distribution == "Debian"  and ansible_distribution_major_version  == "13"

    - name: Create docker.sources file
      ansible.builtin.copy:
        dest: /etc/apt/sources.list.d/docker.sources
        mode: "0644"
        content: |
          Types: deb
          URIs: https://download.docker.com/linux/debian
          Suites: {{ ansible_facts['lsb']['codename'] }}
          Components: stable
          Signed-By: /etc/apt/keyrings/docker.asc
      when:
          - ansible_distribution == "Debian"  and ansible_distribution_major_version  == "13"


    - name: Update apt cache
      ansible.builtin.apt:
        update_cache: true

      when:
        - ansible_distribution == "Debian"  and ansible_distribution_major_version  == "13"

    - name: Download Docker GPG key
      ansible.builtin.get_url:
        url: https://download.docker.com/linux/debian/gpg
        dest: /etc/apt/keyrings/docker.asc
        mode: "0644"
      when:
        - ansible_distribution == "Debian"  and ansible_distribution_major_version  == "13"

    - name: Add an Apt signing key to a specific keyring file
      ansible.builtin.apt_key:
        url: https://download.docker.com/linux/ubuntu/gpg
        keyring: /etc/apt/keyrings/docker.asc
      when:
        - ansible_distribution == "Ubuntu"

    # - name: Get keys for raspotify
    #   ansible.builtin.shell:
    #     curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
    #   when:
    #     - ansible_distribution == "Ubuntu"
    - name: Change file ownership, group and permissions
      ansible.builtin.file:
        path: /etc/apt/keyrings/docker.asc
        owner: root
        group: root
        mode: '0644'

    # - name: Get keys for raspotify
    #   ansible.builtin.shell:
    #     chmod a+r /etc/apt/keyrings/docker.asc

    - name: Get keys for raspotify
      ansible.builtin.shell: echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
      when:
        - ansible_distribution == "Debian"  and ansible_distribution_major_version  == "12"

    - name: Get keys for raspotify
      ansible.builtin.shell: echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
      when:
        - ansible_distribution == "Ubuntu"
    - name: Pin docker version
      ansible.builtin.copy:
        dest: /etc/apt/preferences.d/docker.pref
        mode: "0644"
        content: |
          Package: docker-ce
          Pin: version 5:28.5.2-1~debian.13~trixie
          Pin-Priority: 1001

          Package: docker-ce-cli
          Pin: version 5:28.5.2-1~debian.13~trixie
          Pin-Priority: 1001
      when:
        - ansible_distribution == "Debian"
        - ansible_distribution_major_version == "13"

    - name: Install the version docker1
      ansible.builtin.apt:
        name: "{{ docker_package }}"
        state: present
      when:
        - ansible_distribution == "Debian"
      loop_control:
        loop_var: docker_package
      loop:
        - docker-ce
        - docker-ce-cli
        - containerd.io
        - docker-buildx-plugin
        - docker-compose-plugin

    - name: Create a directory docker.service.d
      ansible.builtin.file:
        path: /etc/systemd/system/docker.service.d/
        state: directory
        mode: '0755'

    - name: Creating a file with content
      ansible.builtin.copy:
        dest: "/etc/systemd/system/docker.service.d/override.conf"
        content: |
          [Service]
          ExecStart=
          ExecStart=/usr/bin/dockerd -H fd:// \
          --containerd=/run/containerd/containerd.sock \
          --tlsverify --tlscacert=/etc/docker/certs/ca.pem \
          --tlscert=/etc/docker/certs/server-cert.pem \
          --tlskey=/etc/docker/certs/server-key.pem -H=0.0.0.0:2376
        mode: '0600'
        owner: root
        group: root
      notify: restart_docker
      when: mode == "cert"

    - name: Creating a file with content
      ansible.builtin.copy:
        dest: "/etc/systemd/system/docker.service.d/override.conf"
        content: |
          [Service]
          ExecStart=
          ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock  -H=0.0.0.0:2376
        mode: '0600'
        owner: root
        group: root
      notify: restart_docker
      when: mode != "cert"

    - name: Just force systemd to reread configs
      ansible.builtin.systemd:
        daemon_reload: true

    - name: Restart docker service
      ansible.builtin.service:
        name: docker
        state: restarted

    - name: Install Loki plugin with TLS
      community.docker.docker_plugin:
        plugin_name: grafana/loki-docker-driver
        alias: loki
        state: present
      environment:
        DOCKER_HOST: "tcp://{{ inventory_hostname }}:2376"
        DOCKER_TLS_VERIFY: "1"
        DOCKER_CERT_PATH: "/tmp/certgen"