70 lines
1.6 KiB
Nix
70 lines
1.6 KiB
Nix
{ config, pkgs, lib, ... }:
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with pkgs;
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with lib;
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let
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cfg = config.services.riemann-tools;
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riemannHost = "${cfg.riemannHost}";
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healthLauncher = writeScriptBin "riemann-health" ''
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#!/bin/sh
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exec ${pkgs.riemann-tools}/bin/riemann-health ${builtins.concatStringsSep " " cfg.extraArgs} --host ${riemannHost}
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'';
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in {
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options = {
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services.riemann-tools = {
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enableHealth = 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 the riemann-health daemon.
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'';
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};
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riemannHost = mkOption {
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type = types.str;
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default = "127.0.0.1";
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description = lib.mdDoc ''
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Address of the host riemann node. Defaults to localhost.
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'';
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};
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extraArgs = mkOption {
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type = types.listOf types.str;
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default = [];
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description = lib.mdDoc ''
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A list of commandline-switches forwarded to a riemann-tool.
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See for example `riemann-health --help` for available options.
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'';
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example = ["-p 5555" "--timeout=30" "--attribute=myattribute=42"];
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};
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};
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};
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config = mkIf cfg.enableHealth {
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users.groups.riemanntools.gid = config.ids.gids.riemanntools;
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users.users.riemanntools = {
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description = "riemann-tools daemon user";
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uid = config.ids.uids.riemanntools;
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group = "riemanntools";
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};
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systemd.services.riemann-health = {
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wantedBy = [ "multi-user.target" ];
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path = [ procps ];
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serviceConfig = {
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User = "riemanntools";
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ExecStart = "${healthLauncher}/bin/riemann-health";
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};
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};
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};
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}
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