generic-container: Add customized container image

1 files changed, 49 insertions, 0 deletions

diff --git a/release.nix b/release.nix
index a4a1746..4fd73d8 100644
--- a/release.nix
+++ b/release.nix
@@ -1,9 +1,58 @@
 { nixpkgs ? (import <nixpkgs> {}) }:
+with nixpkgs.pkgs;
+let
+   pkgs2storeContents = l : map (x: { object = x; symlink = "none"; }) l;
 
+   makeSystemTarball =
+    { module, maintainers ? ["viric"], system }:
+
+    let
+      versionModule = {
+        system.nixosVersionSuffix = "orbekk";
+        system.nixosRevision = "master";
+      };
+
+      config = (import <nixpkgs/nixos/lib/eval-config.nix> {
+        inherit system;
+        modules = [ module versionModule ];
+      }).config;
+
+      tarball = import <nixpkgs/nixos/lib/make-system-tarball.nix> {
+        inherit (pkgs) stdenv perl xz pathsFromGraph;
+        contents = [];
+        extraArgs = "--owner=0";
+
+        # Add init script to image
+        storeContents = [
+          { object = config.system.build.toplevel + "/init";
+            symlink = "/init";
+          }
+        ] ++ (pkgs2storeContents [ pkgs.stdenv ]);
+
+        # Some container managers like lxc need these
+        extraCommands = writeScript "setup.sh" ''
+          mkdir -p proc sys dev sbin
+          ln -s init sbin/init
+        '';
+      };
+    in
+      tarball //
+        { meta = {
+            description = "NixOS system tarball for ${system} - ${stdenv.platform.name}";
+            maintainers = map (x: lib.maintainers.${x}) maintainers;
+          };
+          inherit config;
+        };
+in
 {
   containerTarball = (import <nixpkgs/nixos/release.nix> {})
     .containerTarball.x86_64-linux;
 
+  orbekkContainerTarball = makeSystemTarball {
+    module = ./machines/generic-container.nix;
+    system = "x86_64-linux";
+  };
+
   tests = {
     common = import tests/common.nix;
     desktop = import tests/desktop.nix;