nixos-config/modules/nix-common/default.nix

105 lines
2.5 KiB
Nix

{
lib,
pkgs,
config,
...
}:
with lib;
let
cfg = config.eboskma.nix-common;
in
{
options.eboskma.nix-common = {
enable = mkEnableOption "nix-common";
remote-builders = mkEnableOption "remote builders";
cross-systems = mkOption {
description = "list of systems to cross compile for";
type = with types; listOf str;
default = [ ];
};
gc-interval = mkOption {
description = "How often to run nix-collect-garbage";
type = types.str;
default = "03:15";
};
};
imports = [
(mkRemovedOptionModule [
"eboskma"
"nix-common"
"disable-cache"
] "The option `disable-cache` is no longer used")
];
config = mkIf cfg.enable {
# nixpkgs = {
# config.allowUnfree = true;
# };
nix = {
package = pkgs.nixVersions.latest;
# package = pkgs.nixVersions.nix_2_23;
buildMachines = mkIf cfg.remote-builders [
{
hostName = "loki";
systems = [ "x86_64-linux" ] ++ cfg.cross-systems;
maxJobs = 8;
speedFactor = 2;
supportedFeatures = [
"kvm"
"big-parallel"
"nixos-test"
"benchmark"
];
}
];
distributedBuilds = cfg.remote-builders;
settings = {
auto-optimise-store = true;
allowed-users = [ "root" ];
trusted-users = [
"root"
"@wheel"
];
substituters = [
"https://nix-community.cachix.org"
"https://marcus7070.cachix.org"
"https://devenv.cachix.org"
"https://elixir-tools.cachix.org"
];
trusted-public-keys = [
"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
"marcus7070.cachix.org-1:JawxHSgnYsgNYJmNqZwvLjI4NcOwrcEZDToWlT3WwXw="
"devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw="
"elixir-tools.cachix.org-1:GfK9E139Ysi+YWeS1oNN9OaTfQjqpLwlBaz+/73tBjU="
];
experimental-features = [
"nix-command"
"flakes"
"auto-allocate-uids"
];
};
gc = {
automatic = true;
dates = cfg.gc-interval;
options = "--delete-older-than 30d";
};
};
boot.binfmt.emulatedSystems = cfg.cross-systems;
programs.ssh.extraConfig = mkIf cfg.remote-builders ''
Host loki
HostName 10.0.0.4
Port 22
User builder
IdentitiesOnly yes
IdentityFile /root/.ssh/id_builder
'';
};
}