config/modules/services/remote-builder/default.nix

65 lines
1.8 KiB
Nix

{
config,
lib,
...
}: {
options.mj.services.remote-builder = with lib.types; {
server = {
enable = lib.mkEnableOption "Enable remote builder server";
uidgid = lib.mkOption {type = int;};
sshAllowSubnet = lib.mkOption {type = str;};
publicKeys = lib.mkOption {type = listOf str;};
};
client = {
enable = lib.mkEnableOption "Enable remote builder client";
system = lib.mkOption {type = enum ["aarch64-linux" "x86_64-linux"];};
hostName = lib.mkOption {type = str;};
sshKey = lib.mkOption {type = path;};
};
};
config = lib.mkMerge [
(
let
cfg = config.mj.services.remote-builder.server;
in
lib.mkIf cfg.enable {
users.users.remote-builder = {
description = "Remote Builder";
home = "/var/lib/remote-builder";
shell = "/bin/sh";
group = "remote-builder";
isSystemUser = true;
createHome = true;
uid = cfg.uidgid;
openssh.authorizedKeys.keys =
map (
k: "from=\"${cfg.sshAllowSubnet}\" ${k}"
)
cfg.publicKeys;
};
users.groups.remote-builder.gid = cfg.uidgid;
nix.settings.trusted-users = ["remote-builder"];
}
)
(
let
cfg = config.mj.services.remote-builder.client;
in
lib.mkIf cfg.enable {
nix = {
buildMachines = [
{
inherit (cfg) hostName system sshKey supportedFeatures;
protocol = "ssh-ng";
sshUser = "remote-builder";
}
];
distributedBuilds = true;
extraOptions = ''builders-use-substitutes = true'';
};
}
)
];
}