329df95958
https://humdi.net/vnstat/CHANGES * enable tests * add hardening options from upstream's example service * fix "documentation" setting in service: either needs to be `unitConfig.Documentation` (uppercase) or lowercase but not within unitConfig.
59 lines
1.4 KiB
Nix
59 lines
1.4 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" ];
|
|
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";
|
|
|
|
# Hardening (from upstream example service)
|
|
ProtectSystem = "strict";
|
|
StateDirectory = "vnstat";
|
|
PrivateDevices = true;
|
|
ProtectKernelTunables = true;
|
|
ProtectControlGroups = true;
|
|
ProtectHome = true;
|
|
ProtectKernelModules = true;
|
|
PrivateTmp = true;
|
|
MemoryDenyWriteExecute = true;
|
|
RestrictRealtime = true;
|
|
RestrictNamespaces = true;
|
|
|
|
User = "vnstatd";
|
|
};
|
|
};
|
|
};
|
|
}
|