82 lines
2.5 KiB
Nix
82 lines
2.5 KiB
Nix
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{ lib
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, pkgs
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, config
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, ... }:
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let
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baseSystem = modules: lib.nixosSystem {
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inherit (pkgs) system;
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modules = [
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({ lib, ... }: {
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networking = {
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firewall.enable = false;
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useDHCP = false;
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};
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system = {
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inherit (config.system) stateVersion;
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};
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})
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] ++ modules;
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};
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baseServices = builtins.concatLists (map builtins.attrNames (baseSystem [ ]).options.systemd.services.definitions);
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baseEtc = builtins.concatLists (map builtins.attrNames (baseSystem [ ]).options.environment.etc.definitions);
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cfg = config.multiservice;
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in
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{
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options.multiservice = lib.mkOption {
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type = lib.types.attrsOf (lib.types.submodule {
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options = {
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etc = lib.mkOption {
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default = { };
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type = lib.types.submodule {
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options.enable = lib.mkEnableOption {
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description = "Copy etc files";
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};
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options.fixup = lib.mkOption {
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default = lib.id;
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type = lib.types.function;
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description = lib.mdDoc "Function applied to each etc files (must return an attrset with `name` and `value`)";
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};
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};
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};
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services = lib.mkOption {
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default = { };
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type = lib.types.submodule {
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options.enable = lib.mkEnableOption {
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description = "Copy services";
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};
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options.fixup = lib.mkOption {
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default = lib.id;
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type = lib.types.function;
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description = "Function applied to each systemd service";
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};
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};
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};
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config = lib.mkOption {
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description = "nixpkgs instance's config";
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default = { };
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type = lib.types.attrs;
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};
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};
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});
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};
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config = lib.mkIf (cfg != { }) (lib.mkMerge (lib.mapAttrsToList (instName: instCfg:
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let
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result = baseSystem [ ({ ... }: instCfg.config) ];
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in {
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systemd.services = lib.mkIf instCfg.services.enable (lib.mkMerge (map
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(services: lib.mapAttrs' (name: value: {
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name = name + "-" + instName;
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value = instCfg.services.fixup name value;
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}) (builtins.removeAttrs services baseServices))
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result.options.systemd.services.definitions));
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environment.etc = lib.mkIf instCfg.etc.enable (lib.mkMerge
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(map
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(etc:
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lib.mapAttrs'
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(name: value: instCfg.etc.fixup { inherit name value; })
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(builtins.removeAttrs etc baseEtc))
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result.options.environment.etc.definitions));
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}) cfg));
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}
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