61 lines
1.6 KiB
Nix
61 lines
1.6 KiB
Nix
{ config, lib, ... }:
|
|
with { inherit (lib) mkOption types mkIf; };
|
|
let
|
|
cfg = config.services.nix-build-farm;
|
|
hosts = import ./hosts.nix;
|
|
|
|
build-user = "nix-builder";
|
|
|
|
isBuilder = host: host ? "builder";
|
|
allBuilders = lib.filterAttrs (_: isBuilder) hosts;
|
|
in
|
|
{
|
|
options.services.nix-build-farm = {
|
|
enable = mkOption {
|
|
type = types.bool;
|
|
default = true;
|
|
description = "Whether to enable nix-build-farm as a client";
|
|
};
|
|
hostname = mkOption {
|
|
type = types.enum (builtins.attrNames hosts);
|
|
description = "The hostname as listed in ./hosts.nix file";
|
|
};
|
|
privateKeyFile = mkOption {
|
|
type = types.path;
|
|
description = "The path to the private SSH key file";
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.enable (
|
|
let
|
|
host = hosts.${cfg.hostname};
|
|
otherHosts = lib.filterAttrs (name: _: name != cfg.hostname) hosts;
|
|
otherBuilders = lib.filterAttrs (name: _: name != cfg.hostname) allBuilders;
|
|
in
|
|
{
|
|
nix.distributedBuilds = true;
|
|
nix.buildMachines = lib.mapAttrsToList
|
|
(name: host: {
|
|
hostName = host.host;
|
|
sshUser = build-user;
|
|
sshKey = cfg.privateKeyFile;
|
|
} // host.builder)
|
|
otherBuilders;
|
|
|
|
users = mkIf (isBuilder host) {
|
|
users.${build-user} = {
|
|
description = "Nix build farm user";
|
|
group = build-user;
|
|
isNormalUser = true;
|
|
openssh.authorizedKeys.keys = lib.mapAttrsToList (_: host: host.pubKey) otherHosts;
|
|
};
|
|
groups.${build-user} = { };
|
|
};
|
|
|
|
nix.settings.trusted-users = mkIf (isBuilder host) [ build-user ];
|
|
}
|
|
);
|
|
}
|
|
|
|
|