nixos/metricbeat: init

nixos/modules/module-list.nix

@@ -341,6 +341,7 @@
   ./services/logging/syslog-ng.nix
   ./services/logging/syslogd.nix
   ./services/logging/beats/apm-server.nix
+  ./services/logging/beats/metricbeat.nix
   ./services/mail/clamsmtp.nix
   ./services/mail/davmail.nix
   ./services/mail/dkimproxy-out.nix

nixos/modules/services/logging/beats/metricbeat.nix

@@ -0,0 +1,42 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  beatslib = import ./lib.nix { inherit lib pkgs; };
+
+  mkMetricbeatConfig = cfg: {
+
+    metricbeat.modules = cfg.modules;
+
+  };
+
+in
+{
+  options = {
+
+    services.beats.metricbeat = beatslib.mkCommonOptions {
+      name = "metricbeat";
+      defaults = { package = pkgs.metricbeat; };
+    } // {
+
+      modules = mkOption {
+        description = ''
+          Modules Configuration.
+
+          See <link xlink:hfref="https://github.com/elastic/beats/blob/master/metricbeat/metricbeat.reference.yml" />
+        '';
+        type = with types; listOf attrs;
+        default = [];
+      };
+
+    };
+  };
+
+  config = beatslib.mkNixosConfig {
+    mkBeatConfig = mkMetricbeatConfig;
+    cfg = config.services.beats.metricbeat;
+  };
+
+}