59 lines
1.4 KiB
Nix
59 lines
1.4 KiB
Nix
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.vnstat;
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in {
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options.services.vnstat = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to enable update of network usage statistics via vnstatd.
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'';
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};
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};
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config = mkIf cfg.enable {
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users.users.vnstatd = {
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isSystemUser = true;
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description = "vnstat daemon user";
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home = "/var/lib/vnstat";
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createHome = true;
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};
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systemd.services.vnstat = {
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description = "vnStat network traffic monitor";
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path = [ pkgs.coreutils ];
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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documentation = [
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"man:vnstatd(1)"
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"man:vnstat(1)"
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"man:vnstat.conf(5)"
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];
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preStart = "chmod 755 /var/lib/vnstat";
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serviceConfig = {
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ExecStart = "${pkgs.vnstat}/bin/vnstatd -n";
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ExecReload = "${pkgs.procps}/bin/kill -HUP $MAINPID";
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# Hardening (from upstream example service)
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ProtectSystem = "strict";
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StateDirectory = "vnstat";
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PrivateDevices = true;
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ProtectKernelTunables = true;
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ProtectControlGroups = true;
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ProtectHome = true;
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ProtectKernelModules = true;
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PrivateTmp = true;
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MemoryDenyWriteExecute = true;
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RestrictRealtime = true;
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RestrictNamespaces = true;
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User = "vnstatd";
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};
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};
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};
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}
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