blob: 5e5fc7cd552455ece6841b13e030d5ffc6ecf2af (
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
|
{ config, lib, pkgs, options }:
with lib;
let
cfg = config.services.prometheus.exporters.node;
in
{
port = 9100;
extraOpts = {
enabledCollectors = mkOption {
type = types.listOf types.str;
default = [];
example = [ "systemd" ];
description = ''
Collectors to enable. The collectors listed here are enabled in addition to the default ones.
'';
};
disabledCollectors = mkOption {
type = types.listOf types.str;
default = [];
example = [ "timex" ];
description = ''
Collectors to disable which are enabled by default.
'';
};
};
serviceOpts = {
serviceConfig = {
DynamicUser = false;
RuntimeDirectory = "prometheus-node-exporter";
ExecStart = ''
${pkgs.prometheus-node-exporter}/bin/node_exporter \
${concatMapStringsSep " " (x: "--collector." + x) cfg.enabledCollectors} \
${concatMapStringsSep " " (x: "--no-collector." + x) cfg.disabledCollectors} \
--web.listen-address ${cfg.listenAddress}:${toString cfg.port} ${concatStringsSep " " cfg.extraFlags}
'';
RestrictAddressFamilies = optionals (any (collector: (collector == "logind" || collector == "systemd")) cfg.enabledCollectors) [
# needs access to dbus via unix sockets (logind/systemd)
"AF_UNIX"
] ++ optionals (any (collector: (collector == "network_route" || collector == "wifi")) cfg.enabledCollectors) [
# needs netlink sockets for wireless collector
"AF_NETLINK"
];
# The timex collector needs to access clock APIs
ProtectClock = any (collector: collector == "timex") cfg.disabledCollectors;
};
};
}
|