playbook.yml

---
- name: Configure raspbian instance as remote speaker
  hosts: all
  become: true

  vars:
    hostname: "{{ hostvars[inventory_hostname].hostname }}"
    network_interface: "{{ ansible_default_ipv4.alias }}"
    network_address: "{{ ansible_default_ipv4.network }}/{{ ansible_default_ipv4.netmask }}"
    allowed_networks: "{{ network_address | ansible.utils.ipaddr }}"

  tasks:
  # the hostname is used by shairport and PulseAudio to advertise
  # themselves on your network
    - name: Set hostname
      ansible.builtin.hostname:
        name: "{{ hostname }}"
      register: set_hostname

    - name: Configure ALSA
      ansible.builtin.copy:
        src: config/asound.conf
        dest: /etc/asound.conf
        owner: root
        group: root
        mode: "0644"

    - name: Install Packages
      ansible.builtin.apt:
        name:
          - pulseaudio
          - pulseaudio-module-zeroconf
          - shairport-sync
          - swh-plugins

    - name: Give shairport access to PulseAudio
      ansible.builtin.user:
        name: shairport-sync
        groups: pulse-access
        append: true

    - name: Disable per-user PulseAudio
      ansible.builtin.systemd:
        name: pulseaudio
        enabled: false
        scope: global

    - name: Configure PulseAudio
      ansible.builtin.template:
        src: templates/system.pa.j2
        dest: /etc/pulse/system.pa
        owner: root
        group: root
        mode: "0644"
      register: pulseconf

    - name: Configure PulseAudio unit
      ansible.builtin.copy:
        src: config/pulseaudio-system.service
        dest: /etc/systemd/system/pulseaudio-system.service
        owner: root
        group: root
        mode: "0644"

    - name: Make sure PulseAudio is running
      ansible.builtin.systemd:
        state: "{{ set_hostname.changed or pulseconf.changed | ternary('restarted', 'started') }}"
        enabled: true
        name: pulseaudio-system
        daemon_reload: true

    - name: Configure shairport-sync
      ansible.builtin.copy:
        src: config/shairport-sync.conf
        dest: /etc/shairport-sync.conf
        owner: root
        group: root
        mode: "0644"
      notify: Restart shairport-sync

    - name: Shairportsync systemd override for PulseAudio
      ansible.builtin.copy:
        src: config/shairport-override.conf
        dest: /etc/systemd/system/shairport-sync.service.d/override.conf
        owner: root
        group: root
        mode: "0644"
      notify: Restart shairport-sync

    - name: Make sure shairport-sync is running
      ansible.builtin.systemd:
        state: started
        enabled: true
        name: shairport-sync
        daemon_reload: true

    - name: Disable WiFi Powermanagement
      ansible.builtin.template:
        src: templates/off-power-manager.j2
        dest: /etc/network/if-up.d/off-power-manager
        owner: root
        group: root
        mode: "0755"
      register: powerman
      notify: Restart networking

    - name: Normalize audio at night
      ansible.builtin.cron:
        name: Normalize audio at night
        minute: "0"
        hour: 21-23,0-8
        job: /usr/bin/pactl set-default-sink 1
        user: pi

    - name: Use unfiltered ALSA output during the day
      ansible.builtin.cron:
        name: Use unfiltered ALSA output during the day
        minute: "0"
        hour: 9-20
        job: /usr/bin/pactl set-default-sink 0
        user: pi

  handlers:
    - name: Restart shairport-sync
      ansible.builtin.systemd:
        state: restarted
        enabled: true
        daemon_reload: true
        name: shairport-sync

    - name: Restart networking
      ansible.builtin.systemd:
        state: restarted
        enabled: true
        name: networking