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Refactor(build-inventory): remove build-inventory in favor of simple and expressive evalModules

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This commit is contained in:
Johannes Kirschbauer
2025-06-26 09:46:26 +02:00
parent 8b2c6fc316
commit d9da723d5d
8 changed files with 64 additions and 105 deletions
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4
lib/modules/clan/default.nix
View File

@@ -1,8 +1,4 @@
{ clanLib }:
{
_module.args = {
inherit clanLib;
};
imports = [
./module.nix
./interface.nix

5
lib/modules/default.nix
View File

@@ -8,8 +8,11 @@
}:
{
flakePartsModule = {
_module.args = {
inherit clanLib;
};
imports = [
(lib.modules.importApply ./clan/default.nix { inherit clanLib; })
./clan/default.nix
];
};

4
lib/modules/eval-docs.nix
View File

@@ -5,9 +5,11 @@
}:
let
eval = lib.evalModules {
# TODO: Move this into a 'classForMachines' or something
# @enzime why do we need this here?
class = "nixos";
modules = [
(import ./clan/default.nix { inherit clanLib; })
clanLib.buildClanModule.flakePartsModule
];
};
evalDocs = pkgs.nixosOptionsDoc {

3
lib/modules/function-adapter.nix
View File

@@ -10,6 +10,7 @@
module:
(lib.evalModules {
specialArgs = {
inherit (clan-core) clanLib;
inherit
self
clan-core
@@ -18,7 +19,7 @@ module:
;
};
modules = [
(import ./clan/default.nix { inherit (clan-core) clanLib; })
./clan/default.nix
module
{
inherit specialArgs;

1
lib/modules/inventory/default.nix
View File

@@ -4,7 +4,6 @@ let
in
{
inherit (services) evalClanService mapInstances resolveModule;
inherit (import ../inventoryClass { inherit lib clanLib; }) buildInventory;
interface = {
_file = "clanLib.inventory.interface";
imports = [

2
lib/modules/inventory/flake-module.nix
View File

@@ -57,6 +57,8 @@ in
legacyPackages.evalTests-inventory = import ./tests {
inherit lib;
clan-core = self;
inherit (self) clanLib;
inherit (self.inputs) nix-darwin;
};
checks = {

99
lib/modules/inventory/tests/default.nix
View File

@@ -1,18 +1,28 @@
{ clan-core, lib, ... }:
{
clan-core,
nix-darwin,
lib,
clanLib,
}:
let
inventory = (
import ../../inventoryClass/default.nix {
inherit lib;
clanLib = clan-core.clanLib;
# TODO: Unify these tests with clan tests
clan =
m:
lib.evalModules {
specialArgs = { inherit clan-core nix-darwin clanLib; };
modules = [
../../clan/default.nix
{
self = { };
}
);
inherit (inventory) buildInventory;
m
];
};
in
{
test_inventory_a =
let
compiled = buildInventory {
flakeInputs = { };
eval = clan {
inventory = {
machines = {
A = { };
@@ -28,10 +38,11 @@ in
};
in
{
inherit eval;
expr = {
legacyModule = lib.filterAttrs (
name: _: name == "isClanModule"
) compiled.machines.A.compiledServices.legacyModule;
) eval.config.clanInternals.inventoryClass.machines.A.compiledServices.legacyModule;
};
expected = {
legacyModule = {
@@ -41,24 +52,21 @@ in
test_inventory_empty =
let
compiled = buildInventory {
flakeInputs = { };
eval = clan {
inventory = { };
directory = ./.;
};
in
{
# Empty inventory should return an empty module
expr = compiled.machines;
expr = eval.config.clanInternals.inventoryClass.machines;
expected = { };
};
test_inventory_role_resolve =
let
compiled = buildInventory {
flakeInputs = { };
eval = clan {
directory = ./.;
inventory = {
modules = clan-core.clanModules;
services = {
borgbackup.instance_1 = {
roles.server.machines = [ "backup_server" ];
@@ -78,10 +86,17 @@ in
in
{
expr = {
m1 = (compiled.machines."backup_server").compiledServices.borgbackup.matchedRoles;
m2 = (compiled.machines."client_1_machine").compiledServices.borgbackup.matchedRoles;
m3 = (compiled.machines."client_2_machine").compiledServices.borgbackup.matchedRoles;
inherit ((compiled.machines."client_2_machine").compiledServices.borgbackup)
m1 =
(eval.config.clanInternals.inventoryClass.machines."backup_server")
.compiledServices.borgbackup.matchedRoles;
m2 =
(eval.config.clanInternals.inventoryClass.machines."client_1_machine")
.compiledServices.borgbackup.matchedRoles;
m3 =
(eval.config.clanInternals.inventoryClass.machines."client_2_machine")
.compiledServices.borgbackup.matchedRoles;
inherit
((eval.config.clanInternals.inventoryClass.machines."client_2_machine").compiledServices.borgbackup)
resolvedRolesPerInstance
;
};
@@ -113,11 +128,9 @@ in
};
test_inventory_tag_resolve =
let
configs = buildInventory {
flakeInputs = { };
eval = clan {
directory = ./.;
inventory = {
modules = clan-core.clanModules;
services = {
borgbackup.instance_1 = {
roles.client.tags = [ "backup" ];
@@ -136,7 +149,8 @@ in
};
in
{
expr = configs.machines.client_1_machine.compiledServices.borgbackup.resolvedRolesPerInstance;
expr =
eval.config.clanInternals.inventoryClass.machines.client_1_machine.compiledServices.borgbackup.resolvedRolesPerInstance;
expected = {
instance_1 = {
client = {
@@ -154,11 +168,9 @@ in
test_inventory_multiple_roles =
let
configs = buildInventory {
flakeInputs = { };
eval = clan {
directory = ./.;
inventory = {
modules = clan-core.clanModules;
services = {
borgbackup.instance_1 = {
roles.client.machines = [ "machine_1" ];
@@ -172,7 +184,8 @@ in
};
in
{
expr = configs.machines.machine_1.compiledServices.borgbackup.matchedRoles;
expr =
eval.config.clanInternals.inventoryClass.machines.machine_1.compiledServices.borgbackup.matchedRoles;
expected = [
"client"
"server"
@@ -181,11 +194,9 @@ in
test_inventory_module_doesnt_exist =
let
configs = buildInventory {
flakeInputs = { };
eval = clan {
directory = ./.;
inventory = {
modules = clan-core.clanModules;
services = {
fanatasy.instance_1 = {
roles.default.machines = [ "machine_1" ];
@@ -198,8 +209,8 @@ in
};
in
{
inherit configs;
expr = configs.machines.machine_1.machineImports;
inherit eval;
expr = eval.config.clanInternals.inventoryClass.machines.machine_1.machineImports;
expectedError = {
type = "ThrownError";
msg = "ClanModule not found*";
@@ -208,11 +219,9 @@ in
test_inventory_role_doesnt_exist =
let
configs = buildInventory {
flakeInputs = { };
eval = clan {
directory = ./.;
inventory = {
modules = clan-core.clanModules;
services = {
borgbackup.instance_1 = {
roles.roleXYZ.machines = [ "machine_1" ];
@@ -225,8 +234,8 @@ in
};
in
{
inherit configs;
expr = configs.machines.machine_1.machineImports;
inherit eval;
expr = eval.config.clanInternals.inventoryClass.machines.machine_1.machineImports;
expectedError = {
type = "ThrownError";
msg = ''Roles \["roleXYZ"\] are not defined in the service borgbackup'';
@@ -236,11 +245,9 @@ in
# So the lib.warn is turned into abort
test_inventory_tag_doesnt_exist =
let
configs = buildInventory {
flakeInputs = { };
eval = clan {
directory = ./.;
inventory = {
modules = clan-core.clanModules;
services = {
borgbackup.instance_1 = {
roles.client.machines = [ "machine_1" ];
@@ -256,7 +263,7 @@ in
};
in
{
expr = configs.machines.machine_1.machineImports;
expr = eval.config.clanInternals.inventoryClass.machines.machine_1.machineImports;
expectedError = {
type = "Error";
# TODO: Add warning matching in nix-unit
@@ -265,11 +272,9 @@ in
};
test_inventory_disabled_service =
let
configs = buildInventory {
flakeInputs = { };
eval = clan {
directory = ./.;
inventory = {
modules = clan-core.clanModules;
services = {
borgbackup.instance_1 = {
enabled = false;
@@ -285,10 +290,10 @@ in
};
in
{
inherit configs;
inherit eval;
expr = builtins.filter (
v: v != { } && !v.clan.inventory.assertions ? "alive.assertion.inventory"
) configs.machines.machine_1.machineImports;
) eval.config.clanInternals.inventoryClass.machines.machine_1.machineImports;
expected = [ ];
};
}

49
lib/modules/inventoryClass/default.nix
View File

@@ -1,49 +0,0 @@
# Generate partial NixOS configurations for every machine in the inventory
# This function is responsible for generating the module configuration for every machine in the inventory.
{ lib, clanLib }:
let
/*
Returns a set with NixOS configuration for every machine in the inventory.
machinesFromInventory :: Inventory -> { ${machine_name} :: NixOSConfiguration }
*/
buildInventory =
{
inventory,
directory,
flakeInputs,
prefix ? [ ],
localModuleSet ? { },
}:
(lib.evalModules {
# TODO: move clanLib from specialArgs to options
specialArgs = {
inherit clanLib;
};
modules = [
./builder/default.nix
(lib.modules.importApply ./service-list-from-inputs.nix {
inherit flakeInputs clanLib localModuleSet;
})
{ inherit directory inventory; }
(
# config.distributedServices.allMachines.${name} or [ ];
{ config, ... }:
{
distributedServices = clanLib.inventory.mapInstances {
inherit (config) inventory;
inherit localModuleSet;
inherit flakeInputs;
prefix = prefix ++ [ "distributedServices" ];
};
machines = config.distributedServices.allMachines;
}
)
./inventory-introspection.nix
];
}).config;
in
{
inherit buildInventory;
}