72 lines
2.3 KiB
Nix
72 lines
2.3 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
let
|
|
cfg = config.services.remoteBuilder;
|
|
in {
|
|
options.services.remoteBuilder = {
|
|
enable = lib.mkEnableOption "remote Nix build machine (lazyworkhorse server)";
|
|
|
|
buildMachine = {
|
|
host = lib.mkOption {
|
|
type = lib.types.str;
|
|
default = "lazyworkhorse.net";
|
|
description = "Hostname or IP of the remote build machine.";
|
|
};
|
|
sshUser = lib.mkOption {
|
|
type = lib.types.str;
|
|
default = "ai-worker";
|
|
description = "SSH user on the remote build machine.";
|
|
};
|
|
port = lib.mkOption {
|
|
type = lib.types.port;
|
|
default = 2424;
|
|
description = "SSH port — added via ~root/.ssh/config since nix.buildMachines has no sshPort option.";
|
|
};
|
|
systems = lib.mkOption {
|
|
type = lib.types.listOf lib.types.str;
|
|
default = [ "aarch64-linux" "x86_64-linux" ];
|
|
description = "System types the remote builder can build for.";
|
|
};
|
|
maxJobs = lib.mkOption {
|
|
type = lib.types.int;
|
|
default = 16;
|
|
description = "Max parallel jobs on the remote builder.";
|
|
};
|
|
supportedFeatures = lib.mkOption {
|
|
type = lib.types.listOf lib.types.str;
|
|
default = [ "big-parallel" "nixos-test" "benchmark" ];
|
|
description = "Features the remote builder supports.";
|
|
};
|
|
};
|
|
|
|
fallbackLocal = lib.mkOption {
|
|
type = lib.types.bool;
|
|
default = true;
|
|
description = "Fall back to local build when remote builder is unreachable.";
|
|
};
|
|
};
|
|
|
|
config = lib.mkIf cfg.enable {
|
|
nix.distributedBuilds = true;
|
|
nix.buildMachines = [{
|
|
hostName = cfg.buildMachine.host;
|
|
sshUser = cfg.buildMachine.sshUser;
|
|
systems = cfg.buildMachine.systems;
|
|
maxJobs = cfg.buildMachine.maxJobs;
|
|
supportedFeatures = cfg.buildMachine.supportedFeatures;
|
|
}];
|
|
|
|
nix.extraOptions = lib.optionalString cfg.fallbackLocal ''
|
|
builders-use-substitutes = true
|
|
fallback = true
|
|
'';
|
|
|
|
# SSH config for the remote builder (since nix.buildMachines has no port option)
|
|
programs.ssh.extraConfig = ''
|
|
Host ${cfg.buildMachine.host}
|
|
HostName ${cfg.buildMachine.host}
|
|
Port ${toString cfg.buildMachine.port}
|
|
User ${cfg.buildMachine.sshUser}
|
|
'';
|
|
};
|
|
}
|