FusionInventory: Add NixOS module.

nixos/modules/module-list.nix

@@ -355,6 +355,7 @@
   ./services/monitoring/collectd.nix
   ./services/monitoring/das_watchdog.nix
   ./services/monitoring/dd-agent/dd-agent.nix
+  ./services/monitoring/fusion-inventory.nix
   ./services/monitoring/grafana.nix
   ./services/monitoring/graphite.nix
   ./services/monitoring/hdaps.nix

nixos/modules/services/monitoring/fusion-inventory.nix

@@ -0,0 +1,71 @@
+# Fusion Inventory daemon.
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.fusionInventory;
+
+  configFile = pkgs.writeText "fusion_inventory.conf" ''
+    server = ${concatStringsSep ", " cfg.servers}
+
+    logger = stderr
+
+    ${cfg.extraConfig}
+  '';
+
+in {
+
+  ###### interface
+
+  options = {
+
+    services.fusionInventory = {
+
+      enable = mkOption {
+        default = false;
+        description = ''
+          Whether to run the Fusion Inventory agent on this machine.
+        '';
+      };
+
+      servers = mkOption {
+        type = types.listOf types.string;
+        description = ''
+          The urls of the OCS/GLPI servers to connect to.
+        '';
+      };
+
+      extraConfig = mkOption {
+        default = "";
+        type = types.lines;
+        description = ''
+          Configuration that is injected verbatim into the configuration file.
+        '';
+      };
+    };
+  };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    users.extraUsers = singleton {
+      name = "fusion-inventory";
+      description = "FusionInventory user";
+    };
+
+    systemd.services."fusion-inventory" = {
+      description = "Fusion Inventory Agent";
+      wantedBy = [ "multi-user.target" ];
+
+      environment = {
+        OPTIONS = "--no-category=software";
+      };
+      serviceConfig = {
+        ExecStart = "${pkgs.fusionInventory}/bin/fusioninventory-agent --conf-file=${configFile} --daemon --no-fork";
+      };
+    };
+  };
+}