foodogsquared/nixos-config
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config: fix shared config for nixosConfigurations and images

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Gabriel Arazas 2023-12-08 12:35:46 +08:00
parent c442f22735
commit e45fad294e
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1 changed files with 33 additions and 47 deletions
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80
flake.nix
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@ -88,10 +88,10 @@
# A set of images with their metadata that is usually built for usual
# purposes. The format used here is whatever formats nixos-generators
# support.
images = listImagesWithSystems (lib'.importTOML ./images.toml);
images = lib'.importTOML ./images.toml;
# A set of users with their metadata to be deployed with home-manager.
users = listImagesWithSystems (lib'.importTOML ./users.toml);
users = lib'.importTOML ./users.toml;
# A set of image-related utilities for the flake outputs.
inherit (import ./lib/images.nix { inherit inputs; lib = lib'; }) mkHost mkHome mkImage listImagesWithSystems;
@ -160,12 +160,11 @@
# Then, make the most with the modules from the flake inputs. Take
# note importing some modules such as home-manager are as part of the
# declarative host config so be sure to check out nixosConfigurations
# output as well.
# declarative host config so be sure to check out
# `hostSpecificModule` function as well.
++ [
inputs.nur.nixosModules.nur
inputs.sops-nix.nixosModules.sops
inputs.guix-overlay.nixosModules.guix
inputs.disko.nixosModules.disko
inputs.nix-index-database.nixosModules.nix-index
inputs.nixos-wsl.nixosModules.default
@ -341,6 +340,25 @@
# here.
nixpkgs.overlays = overlays;
};
# A function that generates a Nix module from host metadata.
hostSpecificModule = host: metadata:
{ lib, ... }: {
imports = [
inputs.${metadata.home-manager-channel or "home-manager"}.nixosModules.home-manager
hostSharedConfig
nixSettingsSharedConfig
./hosts/${host}
];
config = lib.mkMerge [
{ networking.hostName = lib.mkForce metadata.hostname or host; }
(lib.mkIf (metadata ? domain)
{ networking.domain = lib.mkForce metadata.domain; })
];
};
in
{
# Exposes only my library with the custom functions to make it easier to
@ -351,34 +369,14 @@
# some sensible default configurations.
nixosConfigurations =
lib'.mapAttrs
(filename: host:
let
path = ./hosts/${filename};
extraModules = [
({ lib, ... }: {
imports = [
inputs.${host.home-manager-channel or "home-manager"}.nixosModules.home-manager
];
config = lib.mkMerge [
{ networking.hostName = lib.mkForce host._name; }
(lib.mkIf (host ? domain)
{ networking.domain = lib.mkForce host.domain; })
];
})
hostSharedConfig
nixSettingsSharedConfig
path
];
in
(host: metadata:
mkHost {
inherit extraModules extraArgs;
system = host._system;
nixpkgs-channel = host.nixpkgs-channel or "nixpkgs";
inherit extraArgs;
extraModules = [(hostSpecificModule host metadata)];
system = metadata._system;
nixpkgs-channel = metadata.nixpkgs-channel or "nixpkgs";
})
(lib'.filterAttrs (_: host: (host.format or "iso") == "iso") images);
(listImagesWithSystems images);
# We're going to make our custom modules available for our flake. Whether
# or not this is a good thing is debatable, I just want to test it.
@ -392,7 +390,7 @@
let
name = metadata._name;
system = metadata._system;
pkgs = inputs."${metadata.nixpkgs-channel or "nixpkgs"}".legacyPackages."${system}";
pkgs = inputs.${metadata.nixpkgs-channel or "nixpkgs"}.legacyPackages.${system};
path = ./users/home-manager/${name};
extraModules = [
({ pkgs, config, ... }: {
@ -454,31 +452,19 @@
images =
forAllSystems (system:
let
images' = lib'.filterAttrs (host: metadata: system == metadata._system) images;
images' = lib'.filterAttrs (host: metadata: system == metadata._system) (listImagesWithSystems images);
in
lib'.mapAttrs'
(host: metadata:
let
inherit system;
name = metadata._name;
nixpkgs-channel = metadata.nixpkgs-channel or "nixpkgs";
pkgs = import inputs."${nixpkgs-channel}" { inherit system overlays; };
pkgs = import inputs.${nixpkgs-channel} { inherit system overlays; };
format = metadata.format or "iso";
in
lib'.nameValuePair name (mkImage {
inherit format system pkgs extraArgs;
extraModules = [
({ lib, ... }: {
config = lib.mkMerge [
{ networking.hostName = lib.mkForce metadata.hostname or name; }
(lib.mkIf (metadata ? domain)
{ networking.domain = lib.mkForce metadata.domain; })
];
})
hostSharedConfig
./hosts/${name}
];
extraModules = [(hostSpecificModule host metadata)];
}))
images');