depot/cluster/lib/service-module.nix

76 lines
2 KiB
Nix

{ config, lib, name, ... }:
with lib;
let
filterGroup = group: hostName: builtins.filter (x: x != hostName) group;
serviceName = name;
in
{
imports = [
./services/secrets.nix
];
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; lazyAttrsOf (oneOf [ str (listOf str) ]);
default = [];
};
otherNodes = mkOption {
description = "Other nodes in the group.";
type = with types; lazyAttrsOf (functionTo (listOf str));
default = [];
};
nixos = mkOption {
description = "NixOS configurations per node group.";
type = with types; attrs;
default = {};
};
meshLinks = mkOption {
description = "Create host links on the mesh network.";
type = types.attrsOf (types.submodule ({ name, ... }: {
options = {
name = mkOption {
type = types.str;
default = "${serviceName}-${name}";
};
link = mkOption {
type = types.deferredModule;
default = {};
};
};
}));
default = {};
};
simulacrum = {
enable = mkEnableOption "testing this service in the Simulacrum";
deps = mkOption {
description = "Other services to include.";
type = with types; listOf str;
default = [];
};
settings = mkOption {
description = "NixOS test configuration.";
type = types.deferredModule;
default = {};
};
augments = mkOption {
description = "Cluster augments (will be propagated).";
type = types.deferredModule;
default = {};
};
};
};
config.otherNodes = builtins.mapAttrs (const filterGroup) config.nodes;
}