nixfiles/deploy-rs.nix

59 lines
1.7 KiB
Nix

{ lib, config, ... }:
let
inherit (builtins) replaceStrings attrNames mapAttrs;
inherit (lib) nameValuePair mapAttrs' intersectLists filterAttrs mkOption;
cfg = config.deploy-rs;
systems = config.nixos.systems;
# deploy can't handle the `@`
homes = mapAttrs' (n: v: nameValuePair (replaceStrings ["@"] ["-at-"] n) v) config.home-manager.homes;
nodesFor = systemsOrHomes: filterAttrs (_: m: m != null) (mapAttrs (_: c:
if c.configuration.config.my.deploy.enable
# Since we're using the submodule, we need to take the defintions. By importing them, the submodule type checking
# and merging can still work at this level. Also gotta make the module a function or else it'll just be treated as
# configuration only (aka shorthandOnlyDefinesConfig = true)
then { ... }: { imports = c.configuration.options.my.deploy.node.definitions; }
else null
) systemsOrHomes);
in
{
options.deploy-rs = with lib.types; {
inherit (lib.my.deploy-rs) deploy;
rendered = mkOption {
type = attrsOf unspecified;
default = null;
internal = true;
description = "Rendered deploy-rs configuration.";
};
};
config = {
assertions = [
(let
duplicates = intersectLists (attrNames systems) (attrNames homes);
in
{
assertion = duplicates == [ ];
message = "Duplicate-ly named NixOS systems: ${toString duplicates}";
})
];
deploy-rs = {
deploy = {
nodes = (
(nodesFor systems) //
(nodesFor homes)
);
autoRollback = false;
magicRollback = false;
};
# Filter out null values so deploy merges overriding options correctly
rendered = lib.my.deploy-rs.filterOpts cfg.deploy;
};
};
}