nixpkgs/nixos/modules/services/monitoring/vnstat.nix

44 lines
1.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.vnstat;
in {
options.services.vnstat = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable update of network usage statistics via vnstatd.
'';
};
};
config = mkIf cfg.enable {
users.users.vnstatd = {
isSystemUser = true;
description = "vnstat daemon user";
home = "/var/lib/vnstat";
createHome = true;
};
systemd.services.vnstat = {
description = "vnStat network traffic monitor";
path = [ pkgs.coreutils ];
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
unitConfig.documentation = "man:vnstatd(1) man:vnstat(1) man:vnstat.conf(5)";
preStart = "chmod 755 /var/lib/vnstat";
serviceConfig = {
ExecStart = "${pkgs.vnstat}/bin/vnstatd -n";
ExecReload = "${pkgs.procps}/bin/kill -HUP $MAINPID";
ProtectHome = true;
PrivateDevices = true;
PrivateTmp = true;
User = "vnstatd";
};
};
};
}