home-server/roles/mediaplayer/tasks/main.yml

---
# The home-server project produces a multi-purpose setup using Ansible.
# Copyright © 2018–2023 Y. Gablin, under the GPL-3.0-or-later license.
# Full licensing information in the LICENSE file, or gnu.org/licences/gpl-3.0.txt if the file is missing.

### UPSTREAM BEGIN ⇒ ###
- name: pull prerequisites from upstream
  include_role: name=etckeeper.inc allow_duplicates=true tasks_from=upstream.yml
  vars:
    msg: media player
### ⇐ UPSTREAM BEGIN ###

- name: install software
  package:
    name: "{{item}}"
  with_items:
    - minidlna
    - kodi
    - kodi-addons-audioencoder
    - kodi-addon-inputstream-adaptive
    - lxdm
    - python-pycryptodome

- name: create the Kodi user
  user:
    name: "{{kodi_user}}"
    createhome: true
    home: "{{kodi_data}}"
    system: true
    groups:
      - users
      - uucp
      - lock

### UPSTREAM END ⇒ ###
- name: merge upstream
  include_role: name=etckeeper.inc allow_duplicates=true tasks_from=merge.yml
  vars:
    msg: media player
### ⇐ UPSTREAM END ###

- name: ensure ownership of minidlna directory
  file:
    path: /var/lib/minidlna
    state: directory
    owner: "{{kodi_user}}"
    group: "{{media_group}}"

- name: disable the default media_dir
  lineinfile:
    path: /etc/minidlna.conf
    backrefs: true
    regexp: '^(media_dir=/opt.*)$'
    line: '#\1'

- name: send the minidlna configuration
  blockinfile:
    path: /etc/minidlna.conf
    marker: '# {mark} {{nickname}} configuration'
    block: "{{media_minidlna_conf}}"
    insertbefore: BOF
  notify:
    - restart minidlna.service

- name: increase the number of allowed inotify watches
  copy:
    content: |
      fs.inotify.max_user_watches=65536      
    dest: /etc/sysctl.d/max_user_watches.conf
    mode: 0600
  when: (env == 'prod')
  notify:
    - enforce max_user_watches limit
    - restart minidlna.service

- name: prepare to override minidlna systemd settings
  file:
    name: /etc/systemd/system/minidlna.service.d
    state: directory
    mode: 0755

- name: override minidlna systemd settings
  copy:
    content: |
      [Unit]
      Requires=nslcd.service
      After=nslcd.service
      [Service]
      DynamicUser=no
      CacheDirectory=
      Group={{media_group}}      
    dest: /etc/systemd/system/minidlna.service.d/{{nickname}}.conf
    mode: 0644
  notify:
    - restart minidlna.service

- name: enable minidlna.service
  systemd:
    daemon_reload: true
    name: minidlna.service
    enabled: true

- name: disable DPMS for the sake of Kodi
  copy:
    content: |
      Section "Extensions"
        Option "DPMS" "Disable"
      EndSection      
    dest: "/etc/X11/xorg.conf.d/10-{{nickname}}-kodi.conf"
    mode: 0644

- name: enable the kodi X11 session
  copy:
    content: |
      [Desktop]
      Session=kodi      
    dest: "{{kodi_data}}/.dmrc"
    mode: 0644

- name: autologin kodi on lxdm
  lineinfile:
    path: /etc/lxdm/lxdm.conf
    regexp: "^autologin="
    line: "autologin={{kodi_user}}"
    insertafter: "^\\[base\\]"

- name: stop lxdm after kodi quits
  lineinfile:
    path: /etc/lxdm/PostLogout
    regexp: "systemctl stop lxdm"
    line: "sudo /usr/bin/systemctl stop lxdm.service"
    insertafter: EOF

- name: ensure stopping lxdm works
  lineinfile:
    path: /etc/sudoers
    regexp: "systemctl stop lxdm"
    line: "ALL ALL=(ALL) NOPASSWD: /usr/bin/systemctl stop lxdm.service"
    insertafter: EOF

- name: prepare to override lxdm systemd settings
  file:
    name: /etc/systemd/system/lxdm.service.d
    state: directory
    mode: 0755

- name: override lxdm systemd settings
  copy:
    content: |
      [Unit]
      Description=Kodi on-demand
      Conflicts=kodi.socket
      [Service]
      ProtectSystem=full
      ReadWriteDirectories={{kodi_data}}
      # the client has 10 seconds to stop sending network packets to the socket
      ExecStopPost=/usr/usr/bin/env bash -c "/usr/bin/sleep 10s; exec /usr/bin/systemctl --no-block start lxdm.socket"
      Restart=no      
    dest: /etc/systemd/system/lxdm.service.d/{{nickname}}.conf
    mode: 0644

- name: set socket activation for kodi
  copy:
    content: |
      [Unit]
      Conflicts=lxdm.service
      [Socket]
      ListenStream=8080
      [Install]
      WantedBy=sockets.target      
    dest: /etc/systemd/system/lxdm.socket
    mode: 0644
  notify:
    - restart lxdm.socket

- name: enable lxdm.socket
  systemd:
    daemon_reload: true
    name: lxdm.socket
    enabled: true

### LOCAL COMMIT ⇒ ###
- name: commit local changes
  include_role: name=etckeeper.inc allow_duplicates=true tasks_from=local.yml
  vars:
    msg: media player
### ⇐ LOCAL COMMIT ###
- meta: flush_handlers