blob: 8cc2a2be77619d015aa023111d575afe85c51af3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
{ config, pkgs, ... }:
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>;
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; [
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=$1 #in secconds
addRandom () {
mpc add "$(mpc ls | shuf -n1)"
}
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 $LIMIT; then
addRandom
fi
'';
in {
description = "radio playlist autoadder";
after = [ "network.target" ];
path = with pkgs; [
gawk
mpc_cli
];
restartIfChanged = true;
serviceConfig = {
Restart = "always";
ExecStart = "${autoAdd} 100";
};
};
}
|
