rix101/modules/flake/configurations/default-generators.nix

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{ lib, config, self, inputs, withSystem, ... }:
let
inherit (config.lib)
and
hasFiles
hasDirectories
configuration-type-to-outputs-modules
;
# `pkgs` with flake's overlays
# NOTE: done here to avoid infinite recursion
pkgs' = system:
(withSystem system ({ pkgs, ... }: pkgs)).extend
(final: prev: inputs.self.packages.${system});
genUsers = configurationFiles:
lib.pipe configurationFiles [
(cf: cf."home" or { })
builtins.attrNames
(builtins.map
(lib.strings.removeSuffix ".nix"))
];
homeManagerModule = { root, meta, users ? null }: {
home-manager = {
# Use same `pkgs` instance as system (i.e. carry over overlays)
useGlobalPkgs = true;
# Do not keep packages in ${HOME}
useUserPackages = true;
# Default import all of our exported `home-manager` modules
sharedModules = builtins.attrValues config.flake.${configuration-type-to-outputs-modules "home-manager"};
# Pass in `inputs`, `hostname` and `meta`
extraSpecialArgs = {
inherit inputs;
inherit meta;
};
} // (if users == null then {
# nixOnDroid
config = "${root}/home.nix";
} else {
# Not nixOnDroid
users =
lib.attrsets.genAttrs
users
(user: import "${root}/home/${user}.nix");
});
};
mkNixosHost = args @ { root, meta, users }: inputs.nixpkgs.lib.nixosSystem {
inherit (meta) system;
pkgs = pkgs' meta.system;
modules = [
# Main configuration
"${root}/configuration.nix"
# Home Manager
inputs.home-manager.nixosModules.home-manager
(homeManagerModule args)
# (r)agenix && agenix-rekey
inputs.ragenix.nixosModules.default
inputs.agenix-rekey.nixosModules.default
(lib.optionalAttrs (meta ? pubkey) {
age.rekey.hostPubkey = meta.pubkey;
})
./agenix-rekey
# nix-topology
inputs.nix-topology.nixosModules.default
# Sane default `networking.hostName`
{
networking.hostName = lib.mkDefault meta.hostname;
}
# TODO: lib.optionals
] ++ (builtins.attrValues config.flake.${configuration-type-to-outputs-modules "nixos"});
specialArgs = {
inherit inputs;
inherit meta;
};
};
mkNixOnDroidHost = args @ { root, meta }: inputs.nix-on-droid.lib.nixOnDroidConfiguration {
# NOTE: inferred by `pkgs.system`
# inherit system;
pkgs = pkgs' meta.system;
modules = [
# Main configuration
"${root}/configuration.nix"
# Home Manager
(homeManagerModule args)
] ++ (builtins.attrValues config.flake.${configuration-type-to-outputs-modules "nix-on-droid"});
extraSpecialArgs = {
inherit inputs;
inherit meta;
};
home-manager-path = inputs.home-manager.outPath;
};
mkNixDarwinHost = args @ { root, meta, users }: inputs.nix-darwin.lib.darwinSystem {
inherit (meta) system;
pkgs = pkgs' meta.system;
modules = [
# Main configuration
"${root}/configuration.nix"
# Home Manager
inputs.home-manager.darwinModules.home-manager
(homeManagerModule args)
] ++ (builtins.attrValues config.flake.${configuration-type-to-outputs-modules "nix-darwin"});
specialArgs = {
inherit inputs;
inherit meta;
};
};
mkHomeManagerHost = args @ { root, meta }: inputs.home-manager.lib.homeManagerConfiguration {
inherit (meta) system;
pkgs = pkgs' meta.system;
modules = [
"${root}/home.nix"
] ++ (builtins.attrValues config.flake.${configuration-type-to-outputs-modules "home-manager"});
extraSpecialArgs = {
inherit inputs;
inherit meta;
};
};
in
{
auto.configurations.configurationTypes = lib.mkDefault {
nixos = {
predicate = ({ root, meta, configurationFiles, ... }:
and [
meta.enable
(hasFiles
[ "configuration.nix" ]
configurationFiles)
]);
mkHost = ({ root, meta, configurationFiles, ... }:
mkNixosHost {
inherit root;
inherit meta;
users = genUsers configurationFiles;
});
mkDeployNode = ({ root, meta, configuration }:
{
inherit (meta.deploy) hostname;
profiles.system = meta.deploy // {
path = inputs.deploy-rs.lib.${meta.system}.activate."nixos" configuration;
};
});
};
nix-on-droid = {
predicate = ({ root, meta, configurationFiles, ... }:
and [
meta.enable
(hasFiles
[ "configuration.nix" "home.nix" ]
configurationFiles)
]);
mkHost = ({ root, meta, configurationFiles, ... }:
mkNixOnDroidHost {
inherit root;
inherit meta;
});
};
nix-darwin = {
hostsName = "darwinHosts";
configurationsName = "darwinConfigurations";
predicate = ({ root, meta, configurationFiles, ... }:
and [
meta.enable
(hasFiles
[ "configuration.nix" ]
configurationFiles)
(hasDirectories
[ "home" ]
configurationFiles)
]);
mkHost = ({ root, meta, configurationFiles, ... }:
mkNixDarwinHost {
inherit root;
inherit meta;
users = genUsers configurationFiles;
});
mkDeployNode = ({ root, meta, configuration }:
{
inherit (meta.deploy) hostname;
profiles.system = meta.deploy // {
path = inputs.deploy-rs.lib.${meta.system}.activate."darwin" configuration;
};
});
};
home-manager = {
hostsName = "homeHosts";
configurationsName = "homeConfigurations";
predicate = ({ root, meta, configurationFiles, ... }:
and [
meta.enable
(hasFiles
[ "home.nix" ]
configurationFiles)
]);
mkHost = ({ root, meta, configurationFiles, ... }:
mkHomeManagerHost {
inherit root;
inherit meta;
});
};
};
}