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api/machines: allow importing extra modules

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- add top-level option `clanImports` to clanCore
- clanImports can be set and checked as any other option
- buildClan resolves the clanImports from the settings.json before calling evalModules to prevent infinite recursions
- new endpoint PUT machines/{name}/schema to allow getting the schema for a specific list of imports
- to retrieve the currently imported modules, cimply do a GET or PU on machines/{name}/config which will return `clanImports` as part of the config

Still missing: get list of available modules
This commit is contained in:
DavHau
2023-10-25 16:36:01 +01:00
parent 1d45d493ef
commit bf176ad277
11 changed files with 234 additions and 81 deletions
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83
pkgs/clan-cli/tests/test_flake/flake.nix
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@@ -2,36 +2,57 @@
# this placeholder is replaced by the path to nixpkgs
inputs.nixpkgs.url = "__NIXPKGS__";
outputs = inputs: {
nixosConfigurations.machine1 = inputs.nixpkgs.lib.nixosSystem {
modules = [
./nixosModules/machine1.nix
(
if builtins.getEnv "CLAN_MACHINE_SETTINGS_FILE" != ""
then builtins.fromJSON (builtins.readFile (builtins.getEnv "CLAN_MACHINE_SETTINGS_FILE"))
else if builtins.pathExists ./machines/machine1/settings.json
then builtins.fromJSON (builtins.readFile ./machines/machine1/settings.json)
else { }
)
({ lib, options, pkgs, ... }: {
config = {
nixpkgs.hostPlatform = "x86_64-linux";
# speed up by not instantiating nixpkgs twice and disable documentation
nixpkgs.pkgs = inputs.nixpkgs.legacyPackages.x86_64-linux;
documentation.enable = false;
};
options.clanCore.optionsNix = lib.mkOption {
type = lib.types.raw;
internal = true;
readOnly = true;
default = (pkgs.nixosOptionsDoc { inherit options; }).optionsNix;
defaultText = "optionsNix";
description = ''
This is to export nixos options used for `clan config`
'';
};
})
];
outputs = inputs':
let
# fake clan-core input
fake-clan-core = {
clanModules.fake-module = ./fake-module.nix;
};
inputs = inputs' // { clan-core = fake-clan-core; };
machineSettings = (
if builtins.getEnv "CLAN_MACHINE_SETTINGS_FILE" != ""
then builtins.fromJSON (builtins.readFile (builtins.getEnv "CLAN_MACHINE_SETTINGS_FILE"))
else if builtins.pathExists ./machines/machine1/settings.json
then builtins.fromJSON (builtins.readFile ./machines/machine1/settings.json)
else { }
);
machineImports =
map
(module: fake-clan-core.clanModules.${module})
(machineSettings.clanImports or [ ]);
in
{
nixosConfigurations.machine1 = inputs.nixpkgs.lib.nixosSystem {
modules =
machineImports ++ [
./nixosModules/machine1.nix
machineSettings
({ lib, options, pkgs, ... }: {
config = {
nixpkgs.hostPlatform = "x86_64-linux";
# speed up by not instantiating nixpkgs twice and disable documentation
nixpkgs.pkgs = inputs.nixpkgs.legacyPackages.x86_64-linux;
documentation.enable = false;
};
options.clanCore.optionsNix = lib.mkOption {
type = lib.types.raw;
internal = true;
readOnly = true;
default = (pkgs.nixosOptionsDoc { inherit options; }).optionsNix;
defaultText = "optionsNix";
description = ''
This is to export nixos options used for `clan config`
'';
};
options.clanImports = lib.mkOption {
type = lib.types.listOf lib.types.str;
description = ''
A list of imported module names imported from clan-core.clanModules.<name>
The buildClan function will automatically import these modules for the current machine.
'';
};
})
];
};
};
};
}