1d497bbff1
Previously it was only possible to use very simple Riemann config. For more complicated scenarios you need a directory of clojure files and the config file that riemann starts with should be in this directory.
105 lines
2.6 KiB
Nix
105 lines
2.6 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;
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classpath = concatStringsSep ":" (
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cfg.extraClasspathEntries ++ [ "${riemann}/share/java/riemann.jar" ]
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);
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riemannConfig = concatStringsSep "\n" (
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[cfg.config] ++ (map (f: ''(load-file "${f}")'') cfg.configFiles)
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);
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launcher = writeScriptBin "riemann" ''
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#!/bin/sh
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exec ${jdk}/bin/java ${concatStringsSep " " cfg.extraJavaOpts} \
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-cp ${classpath} \
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riemann.bin ${cfg.configFile}
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'';
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in {
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options = {
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services.riemann = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enable the Riemann network monitoring daemon.
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'';
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};
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config = mkOption {
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type = types.lines;
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description = ''
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Contents of the Riemann configuration file. For more complicated
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config you should use configFile.
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'';
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};
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configFiles = mkOption {
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type = with types; listOf path;
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default = [];
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description = ''
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Extra files containing Riemann configuration. These files will be
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loaded at runtime by Riemann (with Clojure's
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<literal>load-file</literal> function) at the end of the
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configuration if you use the config option, this is ignored if you
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use configFile.
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'';
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};
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configFile = mkOption {
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type = types.str;
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description = ''
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A Riemann config file. Any files in the same directory as this file
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will be added to the classpath by Riemann.
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'';
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};
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extraClasspathEntries = mkOption {
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type = with types; listOf str;
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default = [];
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description = ''
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Extra entries added to the Java classpath when running Riemann.
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'';
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};
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extraJavaOpts = mkOption {
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type = with types; listOf str;
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default = [];
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description = ''
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Extra Java options used when launching Riemann.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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users.groups.riemann.gid = config.ids.gids.riemann;
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users.users.riemann = {
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description = "riemann daemon user";
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uid = config.ids.uids.riemann;
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group = "riemann";
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};
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services.riemann.configFile = mkDefault (
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writeText "riemann-config.clj" riemannConfig
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);
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systemd.services.riemann = {
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wantedBy = [ "multi-user.target" ];
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path = [ inetutils ];
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serviceConfig = {
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User = "riemann";
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ExecStart = "${launcher}/bin/riemann";
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};
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serviceConfig.LimitNOFILE = 65536;
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};
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};
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}
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