nixpkgs/nixos/modules/services/databases/influxdb2.nix

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2021-07-26 04:34:42 +00:00
{ 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 ];
}