blob: 29ff1e8fc15eeeef11062e3ef44653f11ff90620 (
plain) (
blame)
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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
{
config,
lib,
pkgs,
...
}:
let
inherit (lib)
getExe
literalExpression
mkAfter
mkEnableOption
mkIf
mkMerge
mkOption
optionalAttrs
optionalString
;
inherit (lib.types)
bool
listOf
nullOr
path
port
str
;
cfg = config.services.netbird.server.coturn;
in
{
options.services.netbird.server.coturn = {
enable = mkEnableOption "a Coturn server for Netbird, will also open the firewall on the configured range";
useAcmeCertificates = mkOption {
type = bool;
default = false;
description = ''
Whether to use ACME certificates corresponding to the given domain for the server.
'';
};
domain = mkOption {
type = str;
description = "The domain under which the coturn server runs.";
};
user = mkOption {
type = str;
default = "netbird";
description = ''
The username used by netbird to connect to the coturn server.
'';
};
password = mkOption {
type = nullOr str;
default = null;
description = ''
The password of the user used by netbird to connect to the coturn server.
Be advised this will be world readable in the nix store.
'';
};
passwordFile = mkOption {
type = nullOr path;
default = null;
description = ''
The path to a file containing the password of the user used by netbird to connect to the coturn server.
'';
};
openPorts = mkOption {
type = listOf port;
default = with config.services.coturn; [
listening-port
alt-listening-port
tls-listening-port
alt-tls-listening-port
];
defaultText = literalExpression ''
with config.services.coturn; [
listening-port
alt-listening-port
tls-listening-port
alt-tls-listening-port
];
'';
description = ''
The list of ports used by coturn for listening to open in the firewall.
'';
};
};
config = mkIf cfg.enable (mkMerge [
{
assertions = [
{
assertion = (cfg.password == null) != (cfg.passwordFile == null);
message = "Exactly one of `password` or `passwordFile` must be given for the coturn setup.";
}
];
services.coturn =
{
enable = true;
realm = cfg.domain;
lt-cred-mech = true;
no-cli = true;
extraConfig = ''
fingerprint
user=${cfg.user}:${if cfg.password != null then cfg.password else "@password@"}
no-software-attribute
'';
}
// (optionalAttrs cfg.useAcmeCertificates {
cert = "@cert@";
pkey = "@pkey@";
});
systemd.services.coturn =
let
dir = config.security.acme.certs.${cfg.domain}.directory;
preStart' =
(optionalString (cfg.passwordFile != null) ''
${getExe pkgs.replace-secret} @password@ ${cfg.passwordFile} /run/coturn/turnserver.cfg
'')
+ (optionalString cfg.useAcmeCertificates ''
${getExe pkgs.replace-secret} @cert@ "$CREDENTIALS_DIRECTORY/cert.pem" /run/coturn/turnserver.cfg
${getExe pkgs.replace-secret} @pkey@ "$CREDENTIALS_DIRECTORY/pkey.pem" /run/coturn/turnserver.cfg
'');
in
(optionalAttrs (preStart' != "") { preStart = mkAfter preStart'; })
// (optionalAttrs cfg.useAcmeCertificates {
serviceConfig.LoadCredential = [
"cert.pem:${dir}/fullchain.pem"
"pkey.pem:${dir}/key.pem"
];
});
security.acme.certs = mkIf cfg.useAcmeCertificates {
${cfg.domain}.postRun = ''
systemctl restart coturn.service
'';
};
networking.firewall = {
allowedUDPPorts = cfg.openPorts;
allowedTCPPorts = cfg.openPorts;
allowedUDPPortRanges = with config.services.coturn; [
{
from = min-port;
to = max-port;
}
];
};
}
]);
}
|