cb37fad70e
- Add glue/ for fleet generation logic and common configuration - Add variants/ for hardware type modules - Improves separation of concerns and module organization
100 lines
3.0 KiB
Nix
100 lines
3.0 KiB
Nix
# ============================================================================
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# Common Host Module
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# ============================================================================
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# This module contains all the common configuration shared by all host types.
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# It is automatically imported by the fleet generator for every host.
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{ inputs }:
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{
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config,
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lib,
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...
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}:
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{
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imports = [
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./boot.nix
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./user-config.nix
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../sw
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../users.nix
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inputs.home-manager.nixosModules.home-manager
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inputs.agenix.nixosModules.default
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inputs.disko.nixosModules.disko
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];
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# Define garbage collection options here since they're consumed in this module
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options.athenix = {
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forUser = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = null;
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description = ''
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Convenience option to configure a host for a specific user.
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Automatically enables the user (sets athenix.users.username.enable = true).
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Value should be a username from athenix.users.accounts.
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'';
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};
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system.gc = {
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enable = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = "Whether to enable automatic garbage collection.";
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};
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frequency = lib.mkOption {
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type = lib.types.str;
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default = "weekly";
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description = "How often to run garbage collection (systemd timer format).";
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};
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retentionDays = lib.mkOption {
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type = lib.types.int;
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default = 30;
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description = "Number of days to keep old generations before deletion.";
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};
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optimise = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = "Whether to automatically optimize the Nix store.";
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};
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};
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host.buildMethods = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ "installer-iso" ];
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description = ''
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List of allowed build methods for this host (used by installer/artifacts.nix).
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Supported methods:
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- "installer-iso": Generates an auto-install ISO that installs this configuration to disk.
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- "iso": Generates a live ISO (using nixos-generators).
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- "ipxe": Generates iPXE netboot artifacts (kernel, initrd, script).
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- "lxc": Generates an LXC container tarball.
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- "proxmox": Generates a Proxmox VMA archive.
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'';
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};
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};
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config = lib.mkMerge [
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# Enable forUser if specified
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(lib.mkIf (config.athenix.forUser != null) {
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athenix.users.${config.athenix.forUser}.enable = true;
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})
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{
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system.stateVersion = "25.11";
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nix.settings.experimental-features = [
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"nix-command"
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"flakes"
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];
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# Automatic Garbage Collection
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nix.gc = lib.mkIf config.athenix.system.gc.enable {
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automatic = true;
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dates = config.athenix.system.gc.frequency;
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options = "--delete-older-than ${toString config.athenix.system.gc.retentionDays}d";
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};
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# Optimize storage
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nix.optimise.automatic = config.athenix.system.gc.optimise;
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}
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];
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}
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