NixOS-Config/system/server/icecast.nix

{pkgs, outputs, ...}: {
  # Icecast, replacing Azuracast maybe
  services = {
    # The host service
    icecast = {
      enable = true;
      listen.port = 265;
      hostname = "icecast.${outputs.secrets.jimDomain}";
      admin = {
        user = "jimbo";
	password = "${outputs.secrets.castAdminPass}";
      };
      extraConf = ''
        <authentication>
          <source-password>${outputs.secrets.castSourcePass}</source-password>
        </authentication>

	<location>Canada</location>
	<admin>jimbo@jimbosfiles.com</admin>

        <mount type="normal">
          <mount-name>/jimbops.opus</mount-name>
          <stream-name>JimBops Radio</stream-name>
          <stream-description>Music gathered by me, Jimbo.</stream-description>
          <stream-url>https://icecast.jimbosfiles.com/jimbops.opus</stream-url>
          <genre>Anything</genre>
          <type>application/ogg</type>
          <subtype>vorbis</subtype>
        </mount>
      '';
    };

    # The audio stream
    liquidsoap.streams = let
      JimBops = ''
        # CONFIGURATION
        settings.log.stdout.set(true)
        settings.init.allow_root.set(true)
        settings.scheduler.fast_queues.set(2)
        settings.decoder.file_extensions.mp4.set(["m4a", "m4b", "m4p", "m4v", "m4r", "3gp", "mp4"])
        
        # Define the source with random playlist
        jimbops = mksafe(playlist(mode='randomize', reload=1, reload_mode="rounds", "/export/JimboNFS/Music/"))
        
        # Ensure the stream never stops
        jimbops_fallback = fallback([jimbops, jimbops])
        
        # Output configuration to Icecast
        output.icecast(
	  %ffmpeg(format="ogg", %audio(codec="libvorbis", samplerate=48000, b="256k", channels=2)),
          host="127.0.0.1",
          port=265,
          password="${outputs.secrets.castSourcePass}",
          public=true,
          icy_metadata=["artist", "title"],
          mount="jimbops.opus",
	  encoding = "UTF-8",
          jimbops_fallback
        )
      '';
    in {
      jimbops = pkgs.writeText "liquidjim" JimBops;
    };

    # The web frontend
    nginx.virtualHosts."icecast.${outputs.secrets.jimDomain}" =  {
      enableACME = true;
      forceSSL = true;
      locations."/" = {
        proxyPass = "http://127.0.0.1:265";
        proxyWebsockets = true;
	extraConfig = ''
	  add_header Ice-Public "1";
	'';
      };
    };
  };
}