system/books/void_base.yaml

- name: Install void base system
  hosts: target_system
  become: true
  tasks:
    # Prefer booster to dracut so make sure to never install it
    - name: Ignore dracut
      ansible.builtin.lineinfile:
        path: /etc/xbps.d/ignore-dracut.conf
        line: ignorepkg=dracut
        state: present
        create: true # create file if absent

    - name: Update xbps and system
      community.general.xbps:
        name:
          - xbps
        state: latest
        update_cache: true
        upgrade: true

    - name: Install Base system
      community.general.xbps:
        name:
          - base-system
        state: present

    - name: Get rid of temporary container metapackage
      community.general.xbps:
        name:
          - base-container-full
        state: absent

    - name: Install booster
      community.general.xbps:
        name: booster
        state: present
      notify: installed-booster

  handlers:
    - name: List kernel module dirs
      ansible.builtin.find:
        paths: "/usr/lib/modules"
        file_type: directory
      register: found_kernels
      listen: installed-booster

    - name: Find kernels
      ansible.builtin.set_fact:
        kernel_list: "{{ found_kernels['files'] | map(attribute='path') | map('regex_replace', '^.*/(.*)$', '\\1') | list }}"
      listen: installed-booster

    - name: Create booster initramfs
      vars:
        fname: /boot/booster-void
      ansible.builtin.command:
        argv:
          - booster
          - --verbose
          - build
          - --kernel-version={{ item }}
          - "{{ fname }}-{{ item }}.img"
        creates: "{{ fname }}-{{ item }}.img"
      loop: "{{ kernel_list }}"
      listen: installed-booster

- name: Configure void base system
  hosts: target_system
  become: true
  vars:
    host_name: voider
    timezone: Europe/Berlin
    locales_enabled:
      - en_US.UTF-8 UTF-8

  tasks:
    - name: Set hostname
      ansible.builtin.template:
        src: hostname.j2
        dest: /etc/hostname

    - name: Set timezone
      ansible.builtin.file:
        path: /etc/localtime
        src: /usr/share/zoneinfo/{{ timezone }}
        state: link

    - name: Check if glibc locales exist
      ansible.builtin.stat:
        path: /etc/default/libc-locales
      register: libc_locales_file

    - name: Set correct glibc locales
      ansible.builtin.lineinfile:
        path: /etc/default/libc-locales
        regexp: "^{{ item }}"
        line: "{{ item }}"
        state: present
        create: true
      loop: "{{ locales_enabled }}"
      when: libc_locales_file.stat.exists
      notify: glibc-locales-changed

    - name: Set up chrony for NTP management
      community.general.xbps:
        name:
          - chrony
        state: present
      notify: installed-chrony

    - name: Activate acpid service
      ansible.builtin.file:
        force: "yes"
        src: "/etc/sv/acpid"
        dest: "/etc/runit/runsvdir/default/acpid"
        state: link

  handlers:
    - name: Regenerate locales
      ansible.builtin.command:
        argv:
          - xbps-reconfigure
          - --force
          - libc-locales
      listen: glibc-locales-changed

    - name: Activate chronyd service
      ansible.builtin.file:
        force: "yes"
        src: "/etc/sv/{{ item }}"
        dest: "/etc/runit/runsvdir/default/{{ item }}"
        state: link
      with_items: [chronyd]
      listen: installed-chrony

- name: Set up snapper backups
  hosts: target_system
  become: true
  tags:
    - btrfs
    - snapshots
  tasks:
    - name: Install snapper
      community.general.xbps:
        name:
          - snapper
        state: present
      notify: installed-snapper

    # https://wiki.archlinux.org/title/Snapper#updatedb
    - name: Disable updatedb indexing for snapshot directories
      ansible.builtin.copy:
        content: 'PRUNENAMES = ".snapshots"'
        dest: "/etc/updatedb.conf"
        owner: root
        group: root
        mode: 0644
        force: true

    - name: Ensure snapper configs directory exists
      ansible.builtin.file:
        dest: "/etc/snapper/configs"
        state: directory
        recurse: true

    - name: Ensure root /.snapshots directory exists
      ansible.builtin.file:
        dest: "/.snapshots"
        state: directory
        mode: 0755

    - name: Create root backup configuration
      ansible.builtin.template:
        src: snapper-configurations/root.j2
        dest: "/etc/snapper/configs/root"
        mode: 0640
        force: true # ensure contents are always exact

    - name: Ensure home /.snapshots directory exists
      ansible.builtin.file:
        dest: "/home/.snapshots"
        state: directory
        mode: 0755

    - name: Create homedir backup configuration
      ansible.builtin.template:
        src: snapper-configurations/home.j2
        dest: "/etc/snapper/configs/home"
        mode: 0640
        force: true

    - name: Add snap manual safety command
      ansible.builtin.copy:
        src: snapper-snap-script
        dest: "/usr/bin/snap"
        owner: root
        group: root
        mode: 0755

  handlers:
  #   # Do NOT activate the snapperd service -
  #   # on systems without elogind I guess? Unsure
  #   - name: Activate snapper service
  #     ansible.builtin.file:
  #       force: "yes"
  #       src: "/etc/sv/snapperd"
  #       dest: "/etc/runit/runsvdir/default/snapperd"
  #       state: link
  #     listen: installed-snapper
    - name: Snapper handler stub
      ansible.builtin.debug:
        msg: ""
      listen: installed-snapper