mirror of https://gitlab.crans.org/nounous/nixos
83 lines
2.1 KiB
Nix
83 lines
2.1 KiB
Nix
{ lib, inputs, ... }:
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let
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inherit (lib)
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attrNames
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attrsToList
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isInt
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isString
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join
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length
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listToAttrs
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filter
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filterAttrs
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mapAttrs
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nameValuePair
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nixosSystem
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readDir
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warn
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warnIf
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warnIfNot
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;
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infoRequired = {
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name = isString;
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description = isString;
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id = isInt;
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};
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verifyAttrs =
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info:
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let
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missing = filter (n: !(info ? ${n})) (attrNames infoRequired);
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wrongType = filter (n: info ? ${n.name} && !(n.value info.${n.name})) (attrsToList infoRequired);
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in
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(warnIf (
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length missing > 0
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) "${info.name}/info.nix : les attributs « ${join ", " missing} » sont manquants")
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(warnIf (length wrongType > 0)
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"${info.name}/info.nix : les attributs « ${join ", " (map (i: i.name) wrongType)} » sont mal typés"
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)
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(warnIfNot (
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(info.isDebian or false) || info ? enable
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) "${info.name}/info.nix : cette machine nix ne définit pas l’attribut enable")
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info;
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get_hosts_names = path: attrNames (filterAttrs (name: type: type == "directory") (readDir path));
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get_info =
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path:
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filter (x: x != null) (
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map (
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name:
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let
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filePath = path + "/${name}/info.nix";
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in
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if builtins.pathExists filePath then
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verifyAttrs (import filePath)
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else
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warn "${toString filePath} not found" null
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) (get_hosts_names path)
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);
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listInfoToAttrs = infos: add: listToAttrs (map (info: nameValuePair info.name (info // add)) infos);
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in
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rec {
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attrsToNixosSystem =
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path: all_hosts: hosts: baseModules:
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mapAttrs (
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name: info:
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nixosSystem {
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specialArgs = inputs // {
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hosts = all_hosts;
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};
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modules = [
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(path + "/${name}")
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({ ... }: { config.crans = info; })
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]
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++ baseModules;
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}
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) (filterAttrs (name: info: !(info.isDebian or false)) hosts);
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attrs_vm_info = listInfoToAttrs (get_info ../hosts/vm) { isVm = true; };
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attrs_physique_info = listInfoToAttrs (get_info ../hosts/physiques) { isVm = false; };
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attrs_all_info = attrs_physique_info // attrs_vm_info;
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}
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