94 lines
2.3 KiB
Nix
94 lines
2.3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.journalbeat;
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journalbeatYml = pkgs.writeText "journalbeat.yml" ''
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name: ${cfg.name}
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tags: ${builtins.toJSON cfg.tags}
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${cfg.extraConfig}
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'';
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in
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{
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options = {
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services.journalbeat = {
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enable = mkEnableOption (lib.mdDoc "journalbeat");
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package = mkOption {
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type = types.package;
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default = pkgs.journalbeat;
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defaultText = literalExpression "pkgs.journalbeat";
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description = lib.mdDoc ''
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The journalbeat package to use
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'';
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};
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name = mkOption {
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type = types.str;
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default = "journalbeat";
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description = lib.mdDoc "Name of the beat";
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};
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tags = mkOption {
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type = types.listOf types.str;
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default = [];
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description = lib.mdDoc "Tags to place on the shipped log messages";
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};
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stateDir = mkOption {
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type = types.str;
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default = "journalbeat";
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description = lib.mdDoc ''
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Directory below `/var/lib/` to store journalbeat's
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own logs and other data. This directory will be created automatically
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using systemd's StateDirectory mechanism.
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'';
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = lib.mdDoc "Any other configuration options you want to add";
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};
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};
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};
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config = mkIf cfg.enable {
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assertions = [
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{
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assertion = !hasPrefix "/" cfg.stateDir;
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message =
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"The option services.journalbeat.stateDir shouldn't be an absolute directory." +
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" It should be a directory relative to /var/lib/.";
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}
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];
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systemd.services.journalbeat = {
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description = "Journalbeat log shipper";
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wantedBy = [ "multi-user.target" ];
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wants = [ "elasticsearch.service" ];
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after = [ "elasticsearch.service" ];
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preStart = ''
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mkdir -p ${cfg.stateDir}/data
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mkdir -p ${cfg.stateDir}/logs
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'';
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serviceConfig = {
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StateDirectory = cfg.stateDir;
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ExecStart = ''
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${cfg.package}/bin/journalbeat \
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-c ${journalbeatYml} \
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-path.data /var/lib/${cfg.stateDir}/data \
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-path.logs /var/lib/${cfg.stateDir}/logs'';
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Restart = "always";
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};
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};
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};
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}
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