mynixos-config/flake/hosts.nix

90 lines
2.8 KiB
Nix

{ config, inputs, ... }:
let
topConfig = config;
in
{
flake =
{
config,
lib,
...
}:
let
inherit (lib)
concatMapAttrs
filterAttrs
flip
genAttrs
mapAttrs'
nameValuePair
;
# Creates a new nixosSystem with the correct specialArgs, pkgs and name definition
mkHost =
{ minimal }:
name:
let
pkgs = config.pkgs.x86_64-linux; # FIXME: NOOOOOOOOOOOOOOOOOOOOOOO
in
inputs.nixpkgs.lib.nixosSystem {
specialArgs = {
# Use the correct instance lib that has our overlays
inherit (pkgs) lib;
inherit (config) nodes globals;
inherit inputs minimal;
extraModules = topConfig.globals.optModules;
};
modules = [
{
nixpkgs.config.allowUnfree = true;
nixpkgs.config.permittedInsecurePackages = [
"qtwebengine-5.15.19" # teamspeak3, whatever I don't visit any untrusted servers
];
nixpkgs.overlays = (import ../pkgs/default.nix inputs) ++ [
inputs.idmail.overlays.default
# inputs.nixos-cosmic.overlays.default
inputs.nix-topology.overlays.default
inputs.nixos-extra-modules.overlays.default
inputs.nixvim.overlays.default
];
node.name = name;
node.secretsDir = ../hosts/${name}/secrets;
}
../hosts/${name}
]
++ topConfig.globals.optModules;
};
# Get all folders in hosts/
hosts = builtins.attrNames (filterAttrs (_: type: type == "directory") (builtins.readDir ../hosts));
in
{
nixosConfigurations = genAttrs hosts (mkHost {
minimal = false;
});
nixosConfigurationsMinimal = genAttrs hosts (mkHost {
minimal = true;
});
# True NixOS nodes can define additional guest nodes that are built
# together with it. We collect all defined guests from each node here
# to allow accessing any node via the unified attribute `nodes`.
guestConfigurations = flip concatMapAttrs config.nixosConfigurations (
_: node:
flip mapAttrs' (node.config.guests or { }) (
guestName: guestDef:
nameValuePair guestDef.nodeName (
if guestDef.backend == "microvm" then
node.config.microvm.vms.${guestName}.config
else
node.config.containers.${guestName}.nixosConfiguration
)
)
);
# All nixosSystem instanciations are collected here, so that we can refer
# to any system via nodes.<name>
nodes = config.nixosConfigurations // config.guestConfigurations;
};
}