Files
clan-core/lib/eval-clan-modules/default.nix
2024-10-08 19:31:27 +02:00

107 lines
2.6 KiB
Nix

{
nixpkgs,
clan-core,
lib,
}:
let
inherit (import nixpkgs { system = "x86_64-linux"; }) pkgs;
inherit (clan-core) clanModules;
baseModule = {
imports = (import (pkgs.path + "/nixos/modules/module-list.nix")) ++ [
{
nixpkgs.hostPlatform = "x86_64-linux";
clan.core.name = "dummy";
}
];
};
# This function takes a list of module names and evaluates them
# evalClanModules :: [ String ] -> { config, options, ... }
evalClanModulesLegacy =
modulenames:
let
evaled = lib.evalModules {
modules = [
baseModule
{
clan.core.clanDir = ./.;
}
clan-core.nixosModules.clanCore
] ++ (map (name: clanModules.${name}) modulenames);
};
in
# lib.warn ''
# EvalClanModules doesn't respect role specific interfaces.
# The following {module}/default.nix file trying to be imported.
# Modules: ${builtins.toJSON modulenames}
# This might result in incomplete or incorrect interfaces.
# FIX: Use evalClanModuleWithRole instead.
# ''
evaled;
/*
This function takes a list of module names and evaluates them
Returns a set of interfaces as described below:
Fn :: { ${moduleName} = Module; } -> {
${moduleName} :: {
${roleName}: JSONSchema
}
}
*/
evalClanModulesWithRoles =
clanModules:
let
getRoles =
modulePath:
let
rolesDir = "${modulePath}/roles";
in
if builtins.pathExists rolesDir then
lib.pipe rolesDir [
builtins.readDir
(lib.filterAttrs (_n: v: v == "regular"))
lib.attrNames
(lib.filter (fileName: lib.hasSuffix ".nix" fileName))
(map (fileName: lib.removeSuffix ".nix" fileName))
]
else
[ ];
res = builtins.mapAttrs (
moduleName: module:
let
# module must be a path to the clanModule root by convention
# See: clanModules/flake-module.nix
roles =
assert lib.isPath module;
getRoles module;
in
lib.listToAttrs (
lib.map (role: {
name = role;
value =
(lib.evalModules {
modules = [
baseModule
clan-core.nixosModules.clanCore
# Role interface
(module + "/roles/${role}.nix")
];
}).options.clan.${moduleName} or { };
}) roles
)
) clanModules;
in
res;
in
{
evalClanModules = evalClanModulesLegacy;
inherit evalClanModulesWithRoles;
}