diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix index d16553f57642..275d91f5b7dd 100644 --- a/nixos/modules/module-list.nix +++ b/nixos/modules/module-list.nix @@ -576,6 +576,7 @@ ./services/home-automation/ebusd.nix ./services/home-automation/esphome.nix ./services/home-automation/evcc.nix + ./services/home-automation/govee2mqtt.nix ./services/home-automation/home-assistant.nix ./services/home-automation/homeassistant-satellite.nix ./services/home-automation/zigbee2mqtt.nix diff --git a/nixos/modules/services/home-automation/govee2mqtt.nix b/nixos/modules/services/home-automation/govee2mqtt.nix new file mode 100644 index 000000000000..1dee5999fa3b --- /dev/null +++ b/nixos/modules/services/home-automation/govee2mqtt.nix @@ -0,0 +1,90 @@ +{ config, lib, pkgs, ... }: + +let + cfg = config.services.govee2mqtt; +in { + meta.maintainers = with lib.maintainers; [ SuperSandro2000 ]; + + options.services.govee2mqtt = { + enable = lib.mkEnableOption "Govee2MQTT"; + + package = lib.mkPackageOption pkgs "govee2mqtt" { }; + + user = lib.mkOption { + type = lib.types.str; + default = "govee2mqtt"; + description = "User under which Govee2MQTT should run."; + }; + + group = lib.mkOption { + type = lib.types.str; + default = "govee2mqtt"; + description = "Group under which Govee2MQTT should run."; + }; + + environmentFile = lib.mkOption { + type = lib.types.path; + example = "/var/lib/govee2mqtt/govee2mqtt.env"; + description = '' + Environment file as defined in {manpage}`systemd.exec(5)`. + + See upstream documentation . + ''; + }; + }; + + config = lib.mkIf cfg.enable { + users = { + groups.${cfg.group} = { }; + users.${cfg.user} = { + description = "Govee2MQTT service user"; + inherit (cfg) group; + isSystemUser = true; + }; + }; + + systemd.services.govee2mqtt = { + description = "Govee2MQTT Service"; + wantedBy = [ "multi-user.target" ]; + after = [ "networking.target" ]; + serviceConfig = { + CacheDirectory = "govee2mqtt"; + Environment = [ + "GOVEE_CACHE_DIR=/var/cache/govee2mqtt" + ]; + EnvironmentFile = cfg.environmentFile; + ExecStart = "${lib.getExe cfg.package} serve --govee-iot-key=/var/lib/govee2mqtt/iot.key --govee-iot-cert=/var/lib/govee2mqtt/iot.cert" + + " --amazon-root-ca=${pkgs.cacert.unbundled}/etc/ssl/certs/Amazon_Root_CA_1:66c9fcf99bf8c0a39e2f0788a43e696365bca.crt"; + Group = cfg.group; + Restart = "on-failure"; + StateDirectory = "govee2mqtt"; + User = cfg.user; + + # Hardening + AmbientCapabilities = ""; + CapabilityBoundingSet = ""; + LockPersonality = true; + NoNewPrivileges = true; + PrivateDevices = true; + PrivateMounts = true; + PrivateTmp = true; + PrivateUsers = true; + ProcSubset = "pid"; + ProtectClock = true; + ProtectControlGroups = true; + ProtectHome = true; + ProtectHostname = true; + ProtectKernelLogs = true; + ProtectKernelModules = true; + ProtectKernelTunables = true; + ProtectProc = "invisible"; + ProtectSystem = "strict"; + RemoveIPC = true; + RestrictNamespaces = true; + RestrictRealtime = true; + RestrictSUIDSGID = true; + SystemCallArchitectures = "native"; + }; + }; + }; +}