nixos-config/nixos/system/desktop/icecast.nix

# --------------------------------------------------
# How to use?
# * start the icecast
# * connect via mixxx to it.
# * add the podcast to mpd in the same network
# --------------------------------------------------

{ pkgs, config, lib, ... }:

let
  user = "username";
  password = "password";
  mountPoint = "/radio.mp3";
  maxListeners = 20;

in
{

  services.icecast = {
    enable = true;
    hostname = config.networking.hostName;
    admin = {
      user = "palo";
      password = "palo";
    };
    # http://icecast.org/docs/icecast-2.4.1/config-file.html
    extraConf = ''
      <mount type="normal">
      <mount-name>${mountPoint}</mount-name>
      <username>${user}</username>
      <password>${password}</password>
      <max-listeners>${toString maxListeners}</max-listeners>
      <max-listener-duration>3600</max-listener-duration>
      <charset>UTF8</charset>
      <public>1</public>
      <stream-name>Palos Awesome Stream</stream-name>
      <stream-description>Kick ass Tracks</stream-description>
      <stream-url>https://ingolf-wagner.de</stream-url>
      <genre>classical</genre>
      <bitrate>320</bitrate>
      <type>application/ogg</type>
      <subtype>vorbis</subtype>
      <hidden>1</hidden>
      <burst-size>65536</burst-size>
      <mp3-metadata-interval>4096</mp3-metadata-interval>
      </mount>
    '';
  };

  # use port which I can see in iptable -L -v -n
  networking.firewall = {
    allowedTCPPorts = [ config.services.icecast.listen.port ];
    allowedUDPPorts = [ config.services.icecast.listen.port ];
  };

  # don't want to have the service running all the time
  # ---------------------------------------------------
  systemd.services.icecast.wantedBy = lib.mkForce [ ];
  systemd.services.icecast.after = lib.mkForce [ ];

}