blob: d4aa69629ec8952ce8c02aa0a0cb6e19c219484b (
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
|
{ config, lib, pkgs, options }:
with lib;
let
cfg = config.services.prometheus.exporters.wireguard;
in {
port = 9586;
imports = [
(mkRenamedOptionModule [ "addr" ] [ "listenAddress" ])
({ options.warnings = options.warnings; options.assertions = options.assertions; })
];
extraOpts = {
verbose = mkEnableOption "Verbose logging mode for prometheus-wireguard-exporter";
wireguardConfig = mkOption {
type = with types; nullOr (either path str);
default = null;
description = ''
Path to the Wireguard Config to
<link xlink:href="https://github.com/MindFlavor/prometheus_wireguard_exporter/tree/2.0.0#usage">add the peer's name to the stats of a peer</link>.
Please note that <literal>networking.wg-quick</literal> is required for this feature
as <literal>networking.wireguard</literal> uses
<citerefentry><refentrytitle>wg</refentrytitle><manvolnum>8</manvolnum></citerefentry>
to set the peers up.
'';
};
singleSubnetPerField = mkOption {
type = types.bool;
default = false;
description = ''
By default, all allowed IPs and subnets are comma-separated in the
<literal>allowed_ips</literal> field. With this option enabled,
a single IP and subnet will be listed in fields like <literal>allowed_ip_0</literal>,
<literal>allowed_ip_1</literal> and so on.
'';
};
withRemoteIp = mkOption {
type = types.bool;
default = false;
description = ''
Whether or not the remote IP of a WireGuard peer should be exposed via prometheus.
'';
};
};
serviceOpts = {
path = [ pkgs.wireguard-tools ];
serviceConfig = {
AmbientCapabilities = [ "CAP_NET_ADMIN" ];
CapabilityBoundingSet = [ "CAP_NET_ADMIN" ];
ExecStart = ''
${pkgs.prometheus-wireguard-exporter}/bin/prometheus_wireguard_exporter \
-p ${toString cfg.port} \
-l ${cfg.listenAddress} \
${optionalString cfg.verbose "-v"} \
${optionalString cfg.singleSubnetPerField "-s"} \
${optionalString cfg.withRemoteIp "-r"} \
${optionalString (cfg.wireguardConfig != null) "-n ${escapeShellArg cfg.wireguardConfig}"}
'';
RestrictAddressFamilies = [
# Need AF_NETLINK to collect data
"AF_NETLINK"
];
};
};
}
|