385 lines
12 KiB
Nix
385 lines
12 KiB
Nix
{ config, pkgs, ... }:
|
|
|
|
with import <stockholm/lib>;
|
|
|
|
let
|
|
name = "radio";
|
|
|
|
music_dir = "/home/radio/music";
|
|
|
|
add_random = pkgs.writeDashBin "add_random" ''
|
|
${pkgs.mpc_cli}/bin/mpc add "$(${pkgs.findutils}/bin/find "${music_dir}/the_playlist" \
|
|
| grep -Ev '/other/|/.graveyard/' \
|
|
| grep '\.ogg$' \
|
|
| shuf -n1 \
|
|
| sed 's,${music_dir}/,,' \
|
|
)"
|
|
'';
|
|
|
|
get_current_track_position = pkgs.writeDash "get_current_track_position" ''
|
|
${pkgs.mpc_cli}/bin/mpc status | ${pkgs.gawk}/bin/awk '/^\[playing\]/ { sub(/\/.+/,"",$3); split($3,a,/:/); print a[1]*60+a[2] }'
|
|
'';
|
|
|
|
skip_track = pkgs.writeBashBin "skip_track" ''
|
|
set -eu
|
|
|
|
${add_random}/bin/add_random
|
|
music_dir=${escapeShellArg music_dir}
|
|
current_track=$(${pkgs.mpc_cli}/bin/mpc current -f %file%)
|
|
track_infos=$(${print_current}/bin/print_current)
|
|
skip_count=$(${pkgs.attr}/bin/getfattr -n user.skip_count --only-values "$music_dir"/"$current_track" || echo 0)
|
|
if [[ "$current_track" =~ ^the_playlist/music/.* ]] && [ "$skip_count" -le 2 ]; then
|
|
skip_count=$((skip_count+1))
|
|
${pkgs.attr}/bin/setfattr -n user.skip_count -v "$skip_count" "$music_dir"/"$current_track"
|
|
echo skipping: "$track_infos" skip_count: "$skip_count"
|
|
else
|
|
mkdir -p "$music_dir"/the_playlist/.graveyard/
|
|
mv "$music_dir"/"$current_track" "$music_dir"/the_playlist/.graveyard/
|
|
echo killing: "$track_infos"
|
|
fi
|
|
${pkgs.mpc_cli}/bin/mpc -q next
|
|
'';
|
|
|
|
good_track = pkgs.writeBashBin "good_track" ''
|
|
set -eu
|
|
|
|
music_dir=${escapeShellArg music_dir}
|
|
current_track=$(${pkgs.mpc_cli}/bin/mpc current -f %file%)
|
|
track_infos=$(${print_current}/bin/print_current)
|
|
if [[ "$current_track" =~ ^the_playlist/music/.* ]]; then
|
|
${pkgs.attr}/bin/setfattr -n user.skip_count -v 0 "$music_dir"/"$current_track"
|
|
else
|
|
mv "$music_dir"/"$current_track" "$music_dir"/the_playlist/music/ || :
|
|
fi
|
|
echo good: "$track_infos"
|
|
'';
|
|
|
|
track_youtube_link = pkgs.writeDash "track_youtube_link" ''
|
|
${pkgs.mpc_cli}/bin/mpc current -f %file% \
|
|
| ${pkgs.gnused}/bin/sed 's@.*\(.\{11\}\)\.ogg@https://www.youtube.com/watch?v=\1@'
|
|
'';
|
|
|
|
print_current = pkgs.writeDashBin "print_current" ''
|
|
echo "$(${pkgs.mpc_cli}/bin/mpc current -f %file%) \
|
|
$(${track_youtube_link})"
|
|
'';
|
|
|
|
print_current_json = pkgs.writeDashBin "print_current_json" ''
|
|
${pkgs.jq}/bin/jq -n -c \
|
|
--arg name "$(${pkgs.mpc_cli}/bin/mpc current)" \
|
|
--arg artist "$(${pkgs.mpc_cli}/bin/mpc current -f %artist%)" \
|
|
--arg title "$(${pkgs.mpc_cli}/bin/mpc current -f %title%)" \
|
|
--arg filename "$(${pkgs.mpc_cli}/bin/mpc current -f %file%)" \
|
|
--arg position "$(${get_current_track_position})" \
|
|
--arg length "$(${pkgs.mpc_cli}/bin/mpc current -f %time%)" \
|
|
--arg youtube "$(${track_youtube_link})" '{
|
|
name: $name,
|
|
artist: $artist,
|
|
title: $title,
|
|
filename: $filename,
|
|
position: $position,
|
|
length: $length,
|
|
youtube: $youtube
|
|
}'
|
|
'';
|
|
|
|
set_irc_topic = pkgs.writeDash "set_irc_topic" ''
|
|
${pkgs.curl}/bin/curl -fsSv --unix-socket /home/radio/reaktor.sock http://z/ \
|
|
-H content-type:application/json \
|
|
-d "$(${pkgs.jq}/bin/jq -n \
|
|
--arg text "$1" '{
|
|
command:"TOPIC",
|
|
params:["#the_playlist",$text]
|
|
}'
|
|
)"
|
|
'';
|
|
|
|
write_to_irc = pkgs.writeDash "write_to_irc" ''
|
|
${pkgs.curl}/bin/curl -fsSv --unix-socket /home/radio/reaktor.sock http://z/ \
|
|
-H content-type:application/json \
|
|
-d "$(${pkgs.jq}/bin/jq -n \
|
|
--arg text "$1" '{
|
|
command:"PRIVMSG",
|
|
params:["#the_playlist",$text]
|
|
}'
|
|
)"
|
|
'';
|
|
|
|
in {
|
|
users.users = {
|
|
"${name}" = rec {
|
|
inherit name;
|
|
group = name;
|
|
uid = genid_uint31 name;
|
|
description = "radio manager";
|
|
home = "/home/${name}";
|
|
useDefaultShell = true;
|
|
createHome = true;
|
|
openssh.authorizedKeys.keys = with config.krebs.users; [
|
|
lass.pubkey
|
|
lass-mors.pubkey
|
|
];
|
|
};
|
|
};
|
|
|
|
users.groups = {
|
|
"radio" = {};
|
|
};
|
|
|
|
krebs.per-user.${name}.packages = with pkgs; [
|
|
add_random
|
|
good_track
|
|
skip_track
|
|
print_current
|
|
print_current_json
|
|
ncmpcpp
|
|
mpc_cli
|
|
];
|
|
|
|
services.mpd = {
|
|
enable = true;
|
|
user = "radio";
|
|
musicDirectory = "${music_dir}";
|
|
dataDir = "/home/radio/state"; # TODO create this somwhere
|
|
extraConfig = ''
|
|
log_level "default"
|
|
auto_update "yes"
|
|
volume_normalization "yes"
|
|
|
|
audio_output {
|
|
type "httpd"
|
|
name "lassulus radio mp3"
|
|
encoder "lame" # optional
|
|
port "8002"
|
|
quality "5.0" # do not define if bitrate is defined
|
|
# bitrate "128" # do not define if quality is defined
|
|
format "44100:16:2"
|
|
always_on "yes" # prevent MPD from disconnecting all listeners when playback is stopped.
|
|
tags "yes" # httpd supports sending tags to listening streams.
|
|
}
|
|
|
|
audio_output {
|
|
type "httpd"
|
|
name "lassulus radio"
|
|
encoder "vorbis" # optional
|
|
port "8000"
|
|
quality "5.0" # do not define if bitrate is defined
|
|
# bitrate "128" # do not define if quality is defined
|
|
format "44100:16:2"
|
|
always_on "yes" # prevent MPD from disconnecting all listeners when playback is stopped.
|
|
tags "yes" # httpd supports sending tags to listening streams.
|
|
}
|
|
'';
|
|
};
|
|
|
|
krebs.iptables = {
|
|
tables = {
|
|
filter.INPUT.rules = [
|
|
{ predicate = "-p tcp --dport 8000"; target = "ACCEPT"; }
|
|
{ predicate = "-p tcp --dport 8002"; target = "ACCEPT"; }
|
|
{ predicate = "-i retiolum -p tcp --dport 8001"; target = "ACCEPT"; }
|
|
];
|
|
};
|
|
};
|
|
|
|
systemd.timers.radio = {
|
|
description = "radio autoadder timer";
|
|
wantedBy = [ "timers.target" ];
|
|
|
|
timerConfig = {
|
|
OnCalendar = "*:0/1";
|
|
};
|
|
};
|
|
|
|
systemd.services.radio = let
|
|
autoAdd = pkgs.writeDash "autoAdd" ''
|
|
LIMIT=$1 #in seconds
|
|
|
|
timeLeft () {
|
|
playlistDuration=$(${pkgs.mpc_cli}/bin/mpc --format '%time%' playlist | ${pkgs.gawk}/bin/awk -F ':' 'BEGIN{t=0} {t+=$1*60+$2} END{print t}')
|
|
currentTime=$(${get_current_track_position})
|
|
expr ''${playlistDuration:-0} - ''${currentTime:-0}
|
|
}
|
|
|
|
if test $(timeLeft) -le $LIMIT; then
|
|
${add_random}/bin/add_random
|
|
fi
|
|
${pkgs.mpc_cli}/bin/mpc play > /dev/null
|
|
'';
|
|
in {
|
|
description = "radio playlist autoadder";
|
|
after = [ "network.target" ];
|
|
|
|
restartIfChanged = true;
|
|
|
|
serviceConfig = {
|
|
ExecStart = "${autoAdd} 150";
|
|
};
|
|
};
|
|
|
|
systemd.services.radio-recent = let
|
|
recentlyPlayed = pkgs.writeDash "recentlyPlayed" ''
|
|
LIMIT=1000 #how many tracks to keep in the history
|
|
HISTORY_FILE=/tmp/played
|
|
while :; do
|
|
${pkgs.mpc_cli}/bin/mpc idle player > /dev/null
|
|
${pkgs.mpc_cli}/bin/mpc current -f %file%
|
|
done | while read track; do
|
|
listeners=$(${pkgs.iproute}/bin/ss -Hno state established 'sport = :8000' | grep '^mptcp' | wc -l)
|
|
echo "$(date -Is)" "$track" | tee -a "$HISTORY_FILE"
|
|
echo "$(tail -$LIMIT "$HISTORY_FILE")" > "$HISTORY_FILE"
|
|
${set_irc_topic} "playing: $track listeners: $listeners"
|
|
done
|
|
'';
|
|
in {
|
|
description = "radio recently played";
|
|
after = [ "mpd.service" "network.target" ];
|
|
wantedBy = [ "multi-user.target" ];
|
|
|
|
restartIfChanged = true;
|
|
|
|
serviceConfig = {
|
|
ExecStart = recentlyPlayed;
|
|
User = "radio";
|
|
};
|
|
};
|
|
|
|
# allow reaktor2 to modify files
|
|
systemd.services."reaktor2-the_playlist".serviceConfig.DynamicUser = mkForce false;
|
|
|
|
krebs.reaktor2.the_playlist = {
|
|
hostname = "irc.hackint.org";
|
|
port = "6697";
|
|
useTLS = true;
|
|
nick = "the_playlist";
|
|
username = "radio";
|
|
API.listen = "unix:/home/radio/reaktor.sock";
|
|
plugins = [
|
|
{
|
|
plugin = "register";
|
|
config = {
|
|
channels = [
|
|
"#the_playlist"
|
|
"#krebs"
|
|
];
|
|
};
|
|
}
|
|
{
|
|
plugin = "system";
|
|
config = {
|
|
workdir = config.krebs.reaktor2.the_playlist.stateDir;
|
|
hooks.PRIVMSG = [
|
|
{
|
|
activate = "match";
|
|
pattern = "^(?:.*\\s)?\\s*the_playlist:\\s*([0-9A-Za-z._][0-9A-Za-z._-]*)(?:\\s+(.*\\S))?\\s*$";
|
|
command = 1;
|
|
arguments = [2];
|
|
commands = {
|
|
skip.filename = "${skip_track}/bin/skip_track";
|
|
next.filename = "${skip_track}/bin/skip_track";
|
|
bad.filename = "${skip_track}/bin/skip_track";
|
|
|
|
good.filename = "${good_track}/bin/good_track";
|
|
nice.filename = "${good_track}/bin/good_track";
|
|
like.filename = "${good_track}/bin/good_track";
|
|
|
|
current.filename = "${print_current}/bin/print_current";
|
|
suggest.filename = pkgs.writeDash "suggest" ''
|
|
echo "$@" >> playlist_suggest
|
|
'';
|
|
};
|
|
}
|
|
];
|
|
};
|
|
}
|
|
];
|
|
};
|
|
|
|
krebs.htgen.radio = {
|
|
port = 8001;
|
|
user = {
|
|
name = "radio";
|
|
};
|
|
script = ''. ${pkgs.writeDash "radio" ''
|
|
case "$Method $Request_URI" in
|
|
"GET /current")
|
|
printf 'HTTP/1.1 200 OK\r\n'
|
|
printf 'Connection: close\r\n'
|
|
printf '\r\n'
|
|
${print_current_json}/bin/print_current_json
|
|
exit
|
|
;;
|
|
"POST /skip")
|
|
printf 'HTTP/1.1 200 OK\r\n'
|
|
printf 'Connection: close\r\n'
|
|
printf '\r\n'
|
|
msg=$(${skip_track}/bin/skip_track)
|
|
${write_to_irc} "$msg"
|
|
echo "$msg"
|
|
exit
|
|
;;
|
|
"POST /good")
|
|
printf 'HTTP/1.1 200 OK\r\n'
|
|
printf 'Connection: close\r\n'
|
|
printf '\r\n'
|
|
msg=$(${good_track}/bin/good_track)
|
|
${write_to_irc} "$msg"
|
|
echo "$msg"
|
|
exit
|
|
;;
|
|
esac
|
|
''}'';
|
|
};
|
|
|
|
services.nginx = {
|
|
enable = true;
|
|
virtualHosts."radio.lassul.us" = {
|
|
forceSSL = true;
|
|
enableACME = true;
|
|
locations."/".extraConfig = ''
|
|
proxy_set_header Host $host;
|
|
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
|
|
proxy_set_header X-Forwarded-Host $host;
|
|
proxy_set_header X-Forwarded-Server $host;
|
|
proxy_set_header X-Real-IP $remote_addr;
|
|
proxy_pass http://localhost:8000;
|
|
'';
|
|
locations."= /recent".extraConfig = ''
|
|
alias /tmp/played;
|
|
'';
|
|
};
|
|
virtualHosts."lassul.us".locations."= /the_playlist".extraConfig = 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 ''
|
|
default_type "text/html";
|
|
alias ${html};
|
|
'';
|
|
};
|
|
services.syncthing.declarative.folders."the_playlist" = {
|
|
path = "/home/radio/music/the_playlist";
|
|
devices = [ "mors" "phone" "prism" ];
|
|
};
|
|
krebs.permown."/home/radio/music/the_playlist" = {
|
|
owner = "radio";
|
|
group = "syncthing";
|
|
umask = "0002";
|
|
};
|
|
}
|