diff options
Diffstat (limited to 'nixos/modules/services/monitoring/vnstat.nix')
-rw-r--r-- | nixos/modules/services/monitoring/vnstat.nix | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/nixos/modules/services/monitoring/vnstat.nix b/nixos/modules/services/monitoring/vnstat.nix new file mode 100644 index 00000000000..5e19c399568 --- /dev/null +++ b/nixos/modules/services/monitoring/vnstat.nix @@ -0,0 +1,60 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + cfg = config.services.vnstat; +in { + options.services.vnstat = { + enable = mkEnableOption "update of network usage statistics via vnstatd"; + }; + + config = mkIf cfg.enable { + + environment.systemPackages = [ pkgs.vnstat ]; + + users = { + groups.vnstatd = {}; + + users.vnstatd = { + isSystemUser = true; + group = "vnstatd"; + description = "vnstat daemon user"; + }; + }; + + 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)" + ]; + 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"; + Group = "vnstatd"; + }; + }; + }; + + meta.maintainers = [ maintainers.evils ]; +} |