From 7cdb1bb8aa7a0f559958f56fb53e65608d751117 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Fri, 22 Aug 2014 11:37:31 +0200
Subject: [PATCH] Build a few NixOS system closures on Hydra

This will allow us to keep track of the evolution of closure sizes of
some typical configurations. (Hydra stores closure sizes in its
database.)
---
 nixos/release.nix | 52 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/nixos/release.nix b/nixos/release.nix
index ed413d3e928f..0620b46d46ad 100644
--- a/nixos/release.nix
+++ b/nixos/release.nix
@@ -78,6 +78,16 @@ let
         };
 
 
+  makeClosure = module: forAllSystems (system: (import ./lib/eval-config.nix {
+    inherit system;
+    modules = [ module ] ++ lib.singleton
+      ({ config, lib, ... }:
+      { fileSystems."/".device  = lib.mkDefault "/dev/sda1";
+        boot.loader.grub.device = lib.mkDefault "/dev/sda";
+      });
+  }).config.system.build.toplevel);
+
+
 in rec {
 
   channel =
@@ -242,4 +252,46 @@ in rec {
   tests.udisks2 = callTest tests/udisks2.nix {};
   tests.xfce = callTest tests/xfce.nix {};
 
+
+  /* Build a bunch of typical closures so that Hydra can keep track of
+     the evolution of closure sizes. */
+
+  closures = {
+
+    smallContainer = makeClosure ({ pkgs, ... }:
+      { boot.isContainer = true;
+        services.openssh.enable = true;
+      });
+
+    tinyContainer = makeClosure ({ pkgs, ... }:
+      { boot.isContainer = true;
+        imports = [ modules/profiles/minimal.nix ];
+      });
+
+    ec2 = makeClosure ({ pkgs, ... }:
+      { imports = [ modules/virtualisation/amazon-image.nix ];
+      });
+
+    kde = makeClosure ({ pkgs, ... }:
+      { services.xserver.enable = true;
+        services.xserver.displayManager.kdm.enable = true;
+        services.xserver.desktopManager.kde4.enable = true;
+      });
+
+    xfce = makeClosure ({ pkgs, ... }:
+      { services.xserver.enable = true;
+        services.xserver.desktopManager.xfce.enable = true;
+      });
+
+    # Linux/Apache/PostgreSQL/PHP stack.
+    lapp = makeClosure ({ pkgs, ... }:
+      { services.httpd.enable = true;
+        services.httpd.adminAddr = "foo@example.org";
+        services.postgresql.enable = true;
+        services.postgresql.package = pkgs.postgresql93;
+        environment.systemPackages = [ pkgs.php ];
+      });
+
+  };
+
 }