depot/cluster/lib/service-module.nix

39 lines
950 B
Nix

vars:
{ config, lib, ... }:
with lib;
let
notSelf = x: x != vars.hostName;
filterGroup = builtins.filter notSelf;
in
{
options = {
nodes = mkOption {
description = ''
Groups of worker machines to run this service on.
Allows for arbitrary multi-node constructs, such as:
* 1 master, N workers
* N masters, M workers
* N nodes
* 1 node
* X evaluators, Y smallBuilders, Z bigBuilders
etc.
'';
type = with types; attrsOf (oneOf [ str (listOf str) ]);
default = [];
};
otherNodes = mkOption {
description = "Other nodes in the group.";
type = with types; attrsOf (listOf str);
default = [];
};
nixos = mkOption {
description = "NixOS configurations per node group.";
type = with types; attrs;
default = {};
};
};
config.otherNodes = builtins.mapAttrs (_: filterGroup) config.nodes;
}