music: Add bitvis

group_vars/music.yaml

@@ -19,3 +19,6 @@ nginx_sites:
 music_domain: music.bitlair.nl
 acme_san_domains:
   - [ music.bitlair.nl ]
+
+music_bitpanel_host: bitpanel.bitlair.nl
+music_bitpanel_port: 1337

roles/music/defaults/main.yaml

@@ -1,5 +1,7 @@
 music_audio_user: audio
+music_audio_user_id: 998
 music_audio_group: audio
+music_bitvis_user: bitvis
 music_librespot_user: librespot
 music_trollibox_user: trollibox
 

roles/music/handlers/main.yaml

@@ -2,6 +2,18 @@
 - ansible.builtin.import_tasks:
     file: ../../common/handlers/main.yaml
 
+- name: restart bitvis
+  ansible.builtin.systemd:
+    name: bitvis
+    state: restarted
+    daemon_reload: true
+
+- name: restart bitvis-tee
+  ansible.builtin.systemd:
+    name: bitvis-tee
+    state: restarted
+    daemon_reload: true
+
 - name: restart mpd
   ansible.builtin.systemd:
     name: mpd

roles/music/tasks/base.yaml

@@ -15,6 +15,19 @@
     name: audio
     system: true
 
+- name: Add {{ music_audio_user }} user
+  user:
+    name: "{{ music_audio_user }}"
+    uid: "{{ music_audio_user_id }}"
+    system: true
+    groups:
+      - audio
+
+- name: Enable linger for {{ music_audio_user }}
+  copy:
+    dest: "/var/lib/systemd/linger/{{ music_audio_user }}"
+    content: ""
+
 - name: Set PULSE_SERVER env var for all shells
   copy:
     dest: /etc/profile.d/pulse-server.sh

roles/music/tasks/bitvis.yaml

@@ -0,0 +1,50 @@
+---
+- name: Install bitvis dependencies
+  apt:
+    name:
+      - bitvis
+      - bitvis-http
+
+- name: Create bitvis user
+  user:
+    name: "{{ music_bitvis_user }}"
+    system: true
+    home: /var/lib/bitvis
+    groups:
+      - "{{ music_audio_group }}"
+
+- name: Install bitvis-tee
+  ansible.builtin.template:
+    src: bitvis-tee.sh
+    dest: /opt/bitvis-tee.sh
+    owner: root
+    group: root
+    mode: 0755
+  notify: restart {{ item }}
+  with_items:
+    - bitvis
+    - bitvis-tee
+
+- name: Install service file
+  ansible.builtin.template:
+    src: "{{ item }}.service"
+    dest: /etc/systemd/system/{{ item }}.service
+    owner: root
+    group: root
+    mode: 0644
+  notify: restart {{ item }}
+  with_items:
+    - bitvis
+    - bitvis-tee
+
+- name: Enable service
+  ansible.builtin.systemd:
+    name: "{{ item }}"
+    state: started
+    enabled: true
+    daemon_reload: true
+  with_items:
+    - bitvis
+    - bitvis-tee
+
+- meta: flush_handlers

roles/music/tasks/main.yaml

@@ -11,6 +11,18 @@
   tags:
     - music_mpd
 
+- name: Bitvis
+  ansible.builtin.import_tasks:
+    file: bitvis.yaml
+  tags:
+    - music_bitvis
+
+- name: Import airplay
+  ansible.builtin.import_tasks:
+    file: airplay.yaml
+  tags:
+    - music_airplay
+
 - name: Import trollibox
   ansible.builtin.import_tasks:
     file: trollibox.yaml

roles/music/templates/bitvis-tee.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=Multiplexer for bitvis
+Before=bitvis.service
+After=bitvis-http.service
+Requires=bitvis-http.service
+PropagatesStopTo=bitvis.service
+StopPropagatedFrom=bitvis.service
+
+[Service]
+Type=forking
+ExecStart=/usr/bin/screen -dmS bitvis-tee /opt/bitvis-tee.sh
+User={{ music_bitvis_user }}
+
+[Install]
+WantedBy=multi-user.target

roles/music/templates/bitvis-tee.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# {{ ansible_managed }}
+
+loop=`mktemp --suffix -bitvis`
+mkfifo -f "$loop"
+trap "rm -f $loop" EXIT TERM
+
+cat "$loop" | while true; do nc -4 -w 2 localhost 1338; done &
+nc -klp 1337 | tee "$loop" | while true; do nc -w 2 {{ music_bitpanel_host }} {{ music_bitpanel_port }}; done

roles/music/templates/bitvis.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=Audio visualizer for the bitpanel
+After=network.target
+
+[Service]
+Type=simple
+Restart=always
+RestartSec=10s
+ExecStart=/usr/bin/pw-jack bitvis -a localhost -p 1337 -m localhost -o 6600
+ExecStartPost=/usr/bin/sleep 4
+ExecStartPost=/usr/bin/pw-link alsa_output.usb-ASUS_Xonar_U7_MKII-00.analog-stereo:monitor_FR bitvis:input
+User={{ music_audio_user }}
+Environment="XDG_RUNTIME_DIR=/run/user/{{ music_audio_user_id }}"
+
+[Install]
+WantedBy=multi-user.target