68 lines
1.9 KiB
Nix
68 lines
1.9 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let cfg = config.services.vector;
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in
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{
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options.services.vector = {
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enable = mkEnableOption (lib.mdDoc "Vector, a high-performance observability data pipeline");
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package = mkPackageOption pkgs "vector" { };
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journaldAccess = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Enable Vector to access journald.
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'';
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};
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settings = mkOption {
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type = (pkgs.formats.json { }).type;
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default = { };
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description = lib.mdDoc ''
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Specify the configuration for Vector in Nix.
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'';
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};
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};
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config = mkIf cfg.enable {
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# for cli usage
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environment.systemPackages = [ pkgs.vector ];
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systemd.services.vector = {
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description = "Vector event and log aggregator";
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wantedBy = [ "multi-user.target" ];
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after = [ "network-online.target" ];
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requires = [ "network-online.target" ];
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serviceConfig =
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let
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format = pkgs.formats.toml { };
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conf = format.generate "vector.toml" cfg.settings;
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validateConfig = file:
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pkgs.runCommand "validate-vector-conf" {
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nativeBuildInputs = [ pkgs.vector ];
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} ''
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vector validate --no-environment "${file}"
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ln -s "${file}" "$out"
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'';
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in
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{
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ExecStart = "${getExe cfg.package} --config ${validateConfig conf}";
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DynamicUser = true;
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Restart = "always";
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StateDirectory = "vector";
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ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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AmbientCapabilities = "CAP_NET_BIND_SERVICE";
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# This group is required for accessing journald.
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SupplementaryGroups = mkIf cfg.journaldAccess "systemd-journal";
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};
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unitConfig = {
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StartLimitIntervalSec = 10;
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StartLimitBurst = 5;
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};
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};
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};
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}
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