{ config, lib, pkgs, ... }: with lib; let format = pkgs.formats.json { }; cfg = config.services.influxdb2; configFile = format.generate "config.json" cfg.settings; in { options = { services.influxdb2 = { enable = mkEnableOption "the influxdb2 server"; package = mkOption { default = pkgs.influxdb2; defaultText = "pkgs.influxdb2"; description = "influxdb2 derivation to use."; type = types.package; }; settings = mkOption { default = { }; description = "configuration options for influxdb2, see https://docs.influxdata.com/influxdb/v2.0/reference/config-options for details."; type = format.type; }; }; }; config = mkIf cfg.enable { assertions = [{ assertion = !(builtins.hasAttr "bolt-path" cfg.settings) && !(builtins.hasAttr "engine-path" cfg.settings); message = "services.influxdb2.config: bolt-path and engine-path should not be set as they are managed by systemd"; }]; systemd.services.influxdb2 = { description = "InfluxDB is an open-source, distributed, time series database"; documentation = [ "https://docs.influxdata.com/influxdb/" ]; wantedBy = [ "multi-user.target" ]; after = [ "network.target" ]; environment = { INFLUXD_CONFIG_PATH = "${configFile}"; }; serviceConfig = { ExecStart = "${cfg.package}/bin/influxd --bolt-path \${STATE_DIRECTORY}/influxd.bolt --engine-path \${STATE_DIRECTORY}/engine"; StateDirectory = "influxdb2"; DynamicUser = true; CapabilityBoundingSet = ""; SystemCallFilter = "@system-service"; LimitNOFILE = 65536; KillMode = "control-group"; Restart = "on-failure"; }; }; }; meta.maintainers = with lib.maintainers; [ nickcao ]; }