88 lines
2.4 KiB
Nix
88 lines
2.4 KiB
Nix
|
{ config, lib, pkgs, ... }:
|
||
|
|
|
||
|
|
let
|
||
|
|
inherit (lib)
|
||
|
|
maintainers types mkEnableOption mkOption mkIf
|
||
|
|
literalExpression escapeShellArg escapeShellArgs;
|
||
|
|
cfg = config.services.mtr-exporter;
|
||
|
|
in {
|
||
|
|
options = {
|
||
|
|
services = {
|
||
|
|
mtr-exporter = {
|
||
|
|
enable = mkEnableOption "a Prometheus exporter for MTR";
|
||
|
|
|
||
|
|
target = mkOption {
|
||
|
|
type = types.str;
|
||
|
|
example = "example.org";
|
||
|
|
description = "Target to check using MTR.";
|
||
|
|
};
|
||
|
|
|
||
|
|
interval = mkOption {
|
||
|
|
type = types.int;
|
||
|
|
default = 60;
|
||
|
|
description = "Interval between MTR checks in seconds.";
|
||
|
|
};
|
||
|
|
|
||
|
|
port = mkOption {
|
||
|
|
type = types.port;
|
||
|
|
default = 8080;
|
||
|
|
description = "Listen port for MTR exporter.";
|
||
|
|
};
|
||
|
|
|
||
|
|
address = mkOption {
|
||
|
|
type = types.str;
|
||
|
|
default = "127.0.0.1";
|
||
|
|
description = "Listen address for MTR exporter.";
|
||
|
|
};
|
||
|
|
|
||
|
|
mtrFlags = mkOption {
|
||
|
|
type = with types; listOf str;
|
||
|
|
default = [];
|
||
|
|
example = ["-G1"];
|
||
|
|
description = "Additional flags to pass to MTR.";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
config = mkIf cfg.enable {
|
||
|
|
systemd.services.mtr-exporter = {
|
||
|
|
script = ''
|
||
|
|
exec ${pkgs.mtr-exporter}/bin/mtr-exporter \
|
||
|
|
-mtr ${pkgs.mtr}/bin/mtr \
|
||
|
|
-schedule '@every ${toString cfg.interval}s' \
|
||
|
|
-bind ${escapeShellArg cfg.address}:${toString cfg.port} \
|
||
|
|
-- \
|
||
|
|
${escapeShellArgs (cfg.mtrFlags ++ [ cfg.target ])}
|
||
|
|
'';
|
||
|
|
wantedBy = [ "multi-user.target" ];
|
||
|
|
requires = [ "network.target" ];
|
||
|
|
after = [ "network.target" ];
|
||
|
|
serviceConfig = {
|
||
|
|
Restart = "on-failure";
|
||
|
|
# Hardening
|
||
|
|
CapabilityBoundingSet = [ "" ];
|
||
|
|
DynamicUser = true;
|
||
|
|
LockPersonality = true;
|
||
|
|
ProcSubset = "pid";
|
||
|
|
PrivateDevices = true;
|
||
|
|
PrivateUsers = true;
|
||
|
|
PrivateTmp = true;
|
||
|
|
ProtectClock = true;
|
||
|
|
ProtectControlGroups = true;
|
||
|
|
ProtectHome = true;
|
||
|
|
ProtectHostname = true;
|
||
|
|
ProtectKernelLogs = true;
|
||
|
|
ProtectKernelModules = true;
|
||
|
|
ProtectKernelTunables = true;
|
||
|
|
ProtectProc = "invisible";
|
||
|
|
ProtectSystem = "strict";
|
||
|
|
RestrictNamespaces = true;
|
||
|
|
RestrictRealtime = true;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
meta.maintainers = with maintainers; [ jakubgs ];
|
||
|
|
}
|