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authortv <tv@krebsco.de>2016-06-06 17:17:07 +0200
committertv <tv@krebsco.de>2016-06-06 17:17:07 +0200
commitdda2887e2cf618a7c7744bee2eed806e3a38fe36 (patch)
tree19ad3210a2b8485ac22d26f75b2e2493d3f61596 /lass/2configs/radio.nix
parentc1c645b545b960eb639fc6d41dfa35ee187ae164 (diff)
parent7e344c0627a266685ef1ad79f5193b4e7ba27408 (diff)
Merge remote-tracking branch 'cloudkrebs/master'
Diffstat (limited to 'lass/2configs/radio.nix')
-rw-r--r--lass/2configs/radio.nix195
1 files changed, 195 insertions, 0 deletions
diff --git a/lass/2configs/radio.nix b/lass/2configs/radio.nix
new file mode 100644
index 000000000..17be327b9
--- /dev/null
+++ b/lass/2configs/radio.nix
@@ -0,0 +1,195 @@
+{ config, pkgs, ... }:
+
+with config.krebs.lib;
+
+let
+ name = "radio";
+ mainUser = config.users.extraUsers.mainUser;
+ inherit (config.krebs.lib) genid;
+
+ admin-password = import <secrets/icecast-admin-pw>;
+ source-password = import <secrets/icecast-source-pw>;
+
+ add_random = pkgs.writeDashBin "add_random" ''
+ mpc add "$(mpc ls | shuf -n1)"
+ '';
+
+ skip_track = pkgs.writeDashBin "skip_track" ''
+ ${add_random}/bin/add_random
+ echo skipping: "$(${print_current}/bin/print_current)"
+ ${pkgs.mpc_cli}/bin/mpc -q next
+ '';
+
+ print_current = pkgs.writeDashBin "print_current" ''
+ echo "$(${pkgs.mpc_cli}/bin/mpc current -f %file%) \
+ $(${pkgs.mpc_cli}/bin/mpc current -f %file% \
+ | ${pkgs.gnused}/bin/sed 's@.*\(.\{11\}\)\.ogg@http://www.youtube.com/watch?v=\1@')"
+ '';
+
+in {
+ users.users = {
+ "${name}" = rec {
+ inherit name;
+ group = name;
+ uid = genid name;
+ description = "radio manager";
+ home = "/home/${name}";
+ useDefaultShell = true;
+ createHome = true;
+ openssh.authorizedKeys.keys = [
+ config.krebs.users.lass.pubkey
+ ];
+ };
+ };
+
+ users.groups = {
+ "radio" = {};
+ };
+
+ krebs.per-user.${name}.packages = with pkgs; [
+ add_random
+ skip_track
+ print_current
+ ncmpcpp
+ mpc_cli
+ tmux
+ ];
+
+ security.sudo.extraConfig = ''
+ ${mainUser.name} ALL=(${name}) NOPASSWD: ALL
+ '';
+
+ services.mpd = {
+ enable = true;
+ group = "radio";
+ musicDirectory = "/home/radio/the_playlist/music";
+ extraConfig = ''
+ audio_output {
+ type "shout"
+ encoding "ogg"
+ name "my cool stream"
+ host "localhost"
+ port "8000"
+ mount "/radio.ogg"
+
+ # This is the source password in icecast.xml
+ password "${source-password}"
+
+ # Set either quality or bit rate
+ # quality "5.0"
+ bitrate "128"
+
+ format "44100:16:1"
+
+ # Optional Parameters
+ user "source"
+ # description "here is my long description"
+ # genre "jazz"
+ } # end of audio_output
+
+ '';
+ };
+
+ services.icecast = {
+ enable = true;
+ hostname = "config.krebs.build.host.name";
+ admin.password = admin-password;
+ extraConf = ''
+ <authentication>
+ <source-password>${source-password}</source-password>
+ </authentication>
+ '';
+ };
+
+ krebs.iptables = {
+ tables = {
+ filter.INPUT.rules = [
+ { predicate = "-p tcp --dport 8000"; target = "ACCEPT"; }
+ ];
+ };
+ };
+
+ systemd.timers.radio = {
+ description = "radio autoadder timer";
+ wantedBy = [ "timers.target" ];
+
+ timerConfig = {
+ OnCalendar = "*:*";
+ };
+ };
+
+ systemd.services.radio = let
+ autoAdd = pkgs.writeDash "autoAdd" ''
+ LIMIT=$1 #in secconds
+
+ timeLeft () {
+ playlistDuration=$(mpc --format '%time%' playlist | awk -F ':' 'BEGIN{t=0} {t+=$1*60+$2} END{print t}')
+ currentTime=$(mpc status | awk '/^\[playing\]/ { sub(/\/.+/,"",$3); split($3,a,/:/); print a[1]*60+a[2] }')
+ expr ''${playlistDuration:-0} - ''${currentTime:-0}
+ }
+
+ if test $(timeLeft) -le $LIMIT; then
+ ${add_random}/bin/add_random
+ fi
+ '';
+ in {
+ description = "radio playlist autoadder";
+ after = [ "network.target" ];
+
+ path = with pkgs; [
+ gawk
+ mpc_cli
+ ];
+
+ restartIfChanged = true;
+
+ serviceConfig = {
+ Restart = "always";
+ ExecStart = "${autoAdd} 100";
+ };
+ };
+
+ krebs.Reaktor = {
+ enable = true;
+ nickname = "the_playlist|r";
+ channels = [ "#the_playlist" ];
+ extraEnviron = {
+ REAKTOR_HOST = "irc.freenode.org";
+ };
+ plugins = with pkgs.ReaktorPlugins; [
+ (buildSimpleReaktorPlugin "skip" {
+ script = "${skip_track}/bin/skip_track";
+ pattern = "^skip$";
+ })
+ (buildSimpleReaktorPlugin "current" {
+ script = "${print_current}/bin/print_current";
+ pattern = "^current$";
+ })
+ ];
+ };
+ krebs.nginx.servers."lassul.us".locations = let
+ html = pkgs.writeText "index.html" ''
+ <!DOCTYPE html>
+ <html lang="en">
+ <head>
+ <meta charset="utf-8">
+ <title>lassulus playlist</title>
+ </head>
+ <body>
+ <div style="display:inline-block;margin:0px;padding:0px;overflow:hidden">
+ <iframe src="https://kiwiirc.com/client/irc.freenode.org/?nick=kiwi_test|?&theme=cli#the_playlist" frameborder="0" style="overflow:hidden;overflow-x:hidden;overflow-y:hidden;height:95%;width:100%;position:absolute;top:0px;left:0px;right:0px;bottom:0px" height="95%" width="100%"></iframe>
+ </div>
+ <div style="position:absolute;bottom:1px;display:inline-block;background-color:red;">
+ <audio controls autoplay="autoplay"><source src="http://lassul.us:8000/radio.ogg" type="audio/ogg">Your browser does not support the audio element.</audio>
+ </div>
+ <!-- page content -->
+ </body>
+ </html>
+ '';
+ in [
+ (nameValuePair "/the_playlist" ''
+ default_type "text/html";
+ alias ${html};
+ '')
+ ];
+}