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{
description = "GKleen's flakey nixos configuration";
inputs = {
nixpkgs = {
type = "github";
owner = "NixOS";
repo = "nixpkgs";
ref = "master";
};
home-manager = {
type = "github";
owner = "nix-community";
repo = "home-manager";
ref = "master";
inputs.nixpkgs.follows = "nixpkgs";
};
sops-nix = {
type = "github";
owner = "Mic92";
repo = "sops-nix";
ref = "master";
inputs.nixpkgs.follows = "nixpkgs";
};
deploy-rs = {
type = "github";
owner = "serokell";
repo = "deploy-rs";
ref = "master";
inputs = {
nixpkgs.follows = "nixpkgs";
flake-compat.follows = "flake-compat";
};
};
nvfetcher = {
type = "github";
owner = "berberman";
repo = "nvfetcher";
ref = "master";
inputs = {
nixpkgs.follows = "nixpkgs";
flake-compat.follows = "flake-compat";
};
};
flake-compat = {
type = "github";
owner = "edolstra";
repo = "flake-compat";
ref = "master";
flake = false;
};
};
outputs = { self, nixpkgs, home-manager, sops-nix, deploy-rs, nvfetcher, ... }@inputs:
let
inherit (builtins) attrNames attrValues elemAt toJSON isNull pathExists;
inherit (nixpkgs) lib;
utils = import ./utils { inherit lib; };
inherit (utils) nixImport overrideModule;
inherit (lib) nixosSystem mkIf splitString filterAttrs listToAttrs mapAttrsToList nameValuePair concatMap composeManyExtensions mapAttrs mapAttrs' recursiveUpdate genAttrs unique elem optionalAttrs isDerivation concatLists concatStringsSep fix filter makeOverridable;
inherit (lib.strings) escapeNixString;
accountUserName = accountName:
let
accountName' = splitString "@" accountName;
in elemAt accountName' 0;
accountHostName = accountName:
let
accountName' = splitString "@" accountName;
in elemAt accountName' 1;
mkSources = pkgs: optionalAttrs (pathExists _sources/generated.nix) { sources = pkgs.callPackage _sources/generated.nix {}; };
mkOverlay = path: final: prev: import path ({ inherit final; inherit prev; } // mkSources prev);
mkNixosConfiguration = addProfiles: dir: path: hostName: nixosSystem rec {
specialArgs = {
flake = self;
flakeInputs = inputs;
path = ./.;
};
modules =
let
defaultProfiles = with self.nixosModules.systemProfiles;
[ core
];
local = dir + "/${path}";
argsModule = { pkgs, ... }: {
_module.args = {
customUtils = utils;
inherit hostName;
} // mkSources pkgs;
};
accountModules = attrValues (filterAttrs accountMatchesHost self.nixosModules.accounts);
accountMatchesHost = n: _v: accountHostName n == hostName;
in attrValues (filterAttrs (n: _v: !(elem n ["systemProfiles" "users" "userProfiles" "accounts"])) self.nixosModules) ++ [ argsModule ] ++ defaultProfiles ++ addProfiles ++ [ local ] ++ accountModules;
};
mkSystemProfile = dir: path: profileName: {
imports = [ (dir + "/${path}") ];
config = {
system.profiles = [profileName];
};
};
defaultUserProfiles = userName: with self.nixosModules.userProfiles.${userName};
[ core
];
mkUserModule = dir: path: userName:
overrideModule (import (dir + "/${path}"))
(inputs: inputs // { inherit userName; })
(outputs: { _file = dir + "/${path}"; }
// outputs
// { imports = defaultUserProfiles userName ++ (outputs.imports or []); });
mkUserProfile = userName: dir: path: profileName:
let
profileModule = overrideModule (import (dir + "/${path}"))
(inputs: inputs // { inherit userName; })
(outputs: { _file = dir + "/${path}"; }
// outputs);
in {
imports = [profileModule];
config = {
users.users.${userName}.profiles = [profileName];
};
};
mkAccountModule = dir: path: accountName:
let
userName = accountUserName accountName;
in overrideModule
(import (dir + "/${path}"))
(inputs: inputs // { inherit userName; })
(outputs: { _file = dir + "/${path}"; }
// outputs
// { imports = [self.nixosModules.users.${userName} or ({...}: { imports = defaultUserProfiles userName; })] ++ (outputs.imports or []); });
systemsSelector = "x86_64-linux";
systems = filter (system: !(isNull (builtins.match systemsSelector system))) nixpkgs.lib.systems.supported.hydra;
nixpkgsPackages = localSystem: (makeOverridable (import (nixpkgs.outPath + "/pkgs/top-level"))) { inherit localSystem; };
forAllSystems = f: mapAttrs f (genAttrs systems nixpkgsPackages);
forAllUsers = genAttrs (unique (map accountUserName (attrNames self.nixosModules.accounts)));
activateNixosConfigurations = forAllSystems (system: _pkgs: mapAttrs' (hostName: nixosConfig: nameValuePair "${hostName}-activate" { type = "app"; program = "${nixosConfig.config.system.build.toplevel}/bin/switch-to-configuration"; }) self.nixosConfigurations);
overlayPaths = nixImport rec { dir = ./overlays; _import = (path: _name: dir + "/${path}"); };
installerProfiles = system:
let nixpkgs-path = nixpkgs.outPath;
in mapAttrs (name: {path, output}: { profile = mkSystemProfile nixpkgs-path path "installer-${name}"; inherit output; })
{ cd-dvd = { path = "nixos/modules/installer/cd-dvd/installation-cd-minimal.nix"; output = out: out.config.system.build.isoImage; };
netboot = { path = "nixos/modules/installer/netboot/netboot-minimal.nix"; output = out: (self.legacyPackages.${system}.symlinkJoin { name = "netboot"; paths = with out.config.system.build; [ netbootRamdisk kernel netbootIpxeScript ]; preferLocalBuild = true; }); };
};
installerConfig = if pathExists ./installer.nix then "installer.nix" else (if pathExists ./installer then "installer" else null);
installers =
let mkInstallers = system: mapAttrs (mkInstaller system) (installerProfiles system);
mkInstaller = system: name: {profile, output}: let mkOutput = output; in rec { config = mkNixosConfiguration [profile { config = { nixpkgs.system = system; }; }] ./. installerConfig "installer"; output = mkOutput config; };
in forAllSystems (system: _systemPkgs: optionalAttrs (!(isNull installerConfig)) (mkInstallers system));
installerNixosConfigurations = listToAttrs (concatLists (mapAttrsToList (system: mapAttrsToList (profile: { config, ... }: nameValuePair ("installer-${system}-${profile}") config)) installers));
# packages = forAllSystems (system: systemPkgs: composeManyExtensions (attrValues self.overlays) self.legacyPackages.${system} systemPkgs);
activateHomeManager = system: base: (deploy-rs.lib.${system}.activate.custom // { dryActivate = "DRY_RUN=1 $PROFILE/activate"; }) base.activationPackage "$PROFILE/activate";
in
{
nixosModules =
let modulesAttrs = nixImport { dir = ./modules; };
systemProfiles = nixImport rec { dir = ./system-profiles; _import = mkSystemProfile dir; };
users = nixImport rec { dir = ./users; _import = mkUserModule dir; };
userProfiles = forAllUsers (userName: nixImport rec { dir = ./user-profiles; _import = mkUserProfile userName dir; });
accounts = recursiveUpdate rootAccounts (nixImport rec { dir = ./accounts; _import = mkAccountModule dir; });
rootAccounts = mapAttrs' (hostName: _value: nameValuePair "root@${hostName}" ({...}: { imports = [ self.nixosModules.users.root or ({...}: { imports = defaultUserProfiles "root"; }) ]; })) self.nixosConfigurations;
in modulesAttrs // { inherit systemProfiles users userProfiles accounts; };
nixosConfigurations = installerNixosConfigurations // nixImport rec { dir = ./hosts; _import = mkNixosConfiguration [] dir; };
homeModules = nixImport rec { dir = ./home-modules; };
homeConfigurations = listToAttrs (concatLists (mapAttrsToList (hostname: nixosConfig: mapAttrsToList (username: configuration: nameValuePair "${username}@${hostname}" { inherit (configuration.home) activationPackage; }) nixosConfig.config.home-manager.users) self.nixosConfigurations));
overlays = mapAttrs (_name: path: mkOverlay path) overlayPaths;
# packages = mapAttrs (_name: filterAttrs (_name: isDerivation)) packages;
# packages' = mapAttrs (_name: filterAttrs (_name: value: !(isDerivation value))) packages;
legacyPackages = forAllSystems (system: systemPkgs: systemPkgs.override { overlays = attrValues self.overlays; });
apps = activateNixosConfigurations;
devShells = forAllSystems (system: systemPkgs: { default = import ./shell.nix {
pkgs = self.legacyPackages.${system};
deploy-rs = deploy-rs.packages.${system}.deploy-rs;
nvfetcher = nvfetcher.defaultPackage.${system};
};});
templates.default = {
path = ./.;
description = "GKleen's flakey nixos configuration";
};
deploy.nodes = let
defaults = mapAttrs (hostname: _: {
inherit hostname;
sshUser = "root";
profilesOrder = ["system"]; # system first
profiles = {
system = {
path = deploy-rs.lib.${self.nixosConfigurations.${hostname}.config.nixpkgs.system}.activate.nixos self.nixosConfigurations.${hostname};
};
} // (mapAttrs (_user: usercfg: {
user = usercfg.home.username;
path = activateHomeManager (self.nixosConfigurations.${hostname}.config.nixpkgs.system) usercfg.home;
}) self.nixosConfigurations.${hostname}.config.home-manager.users);
}) (nixImport { dir = ./hosts; _import = (_path: name: name); });
overrides = if pathExists ./deploy then nixImport { dir = ./deploy; _import = path: _name: import (./deploy + "/${path}") inputs; } else {};
filterEnabled = attrs: mapAttrs (_n: v: filterAttrs (n: _v: n != "enabled") v) (filterAttrs (_n: v: v.enabled or true) attrs);
in mapAttrs (_n: v: if v ? "profiles" then v // { profiles = filterEnabled v.profiles; } else v) (filterEnabled (recursiveUpdate defaults overrides));
checks = builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy) deploy-rs.lib;
};
}
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