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authorAlyssa Ross <hi@alyssa.is>2022-05-31 09:59:33 +0000
committerAlyssa Ross <hi@alyssa.is>2022-05-31 09:59:57 +0000
commit9ff36293d1e428cd7bf03e8d4b03611b6d361c28 (patch)
tree1ab51a42b868c55b83f6ccdb80371b9888739dd9 /nixos/modules/virtualisation/google-compute-image.nix
parent1c4fcd0d4b0541e674ee56ace1053e23e562cc80 (diff)
parentddc3c396a51918043bb0faa6f676abd9562be62c (diff)
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Last good Nixpkgs for Weston+nouveau? archive
I came this commit hash to terwiz[m] on IRC, who is trying to figure out
what the last version of Spectrum that worked on their NUC with Nvidia
graphics is.
Diffstat (limited to 'nixos/modules/virtualisation/google-compute-image.nix')
-rw-r--r--nixos/modules/virtualisation/google-compute-image.nix71
1 files changed, 71 insertions, 0 deletions
diff --git a/nixos/modules/virtualisation/google-compute-image.nix b/nixos/modules/virtualisation/google-compute-image.nix
new file mode 100644
index 00000000000..0c72696f802
--- /dev/null
+++ b/nixos/modules/virtualisation/google-compute-image.nix
@@ -0,0 +1,71 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.virtualisation.googleComputeImage;
+  defaultConfigFile = pkgs.writeText "configuration.nix" ''
+    { ... }:
+    {
+      imports = [
+        <nixpkgs/nixos/modules/virtualisation/google-compute-image.nix>
+      ];
+    }
+  '';
+in
+{
+
+  imports = [ ./google-compute-config.nix ];
+
+  options = {
+    virtualisation.googleComputeImage.diskSize = mkOption {
+      type = with types; either (enum [ "auto" ]) int;
+      default = "auto";
+      example = 1536;
+      description = ''
+        Size of disk image. Unit is MB.
+      '';
+    };
+
+    virtualisation.googleComputeImage.configFile = mkOption {
+      type = with types; nullOr str;
+      default = null;
+      description = ''
+        A path to a configuration file which will be placed at `/etc/nixos/configuration.nix`
+        and be used when switching to a new configuration.
+        If set to `null`, a default configuration is used, where the only import is
+        `<nixpkgs/nixos/modules/virtualisation/google-compute-image.nix>`.
+      '';
+    };
+
+    virtualisation.googleComputeImage.compressionLevel = mkOption {
+      type = types.int;
+      default = 6;
+      description = ''
+        GZIP compression level of the resulting disk image (1-9).
+      '';
+    };
+  };
+
+  #### implementation
+  config = {
+
+    system.build.googleComputeImage = import ../../lib/make-disk-image.nix {
+      name = "google-compute-image";
+      postVM = ''
+        PATH=$PATH:${with pkgs; lib.makeBinPath [ gnutar gzip ]}
+        pushd $out
+        mv $diskImage disk.raw
+        tar -Sc disk.raw | gzip -${toString cfg.compressionLevel} > \
+          nixos-image-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}.raw.tar.gz
+        rm $out/disk.raw
+        popd
+      '';
+      format = "raw";
+      configFile = if cfg.configFile == null then defaultConfigFile else cfg.configFile;
+      inherit (cfg) diskSize;
+      inherit config lib pkgs;
+    };
+
+  };
+
+}