system/flake.nix

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{
inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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flake-utils.url = "github:numtide/flake-utils";
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hardware.url = "github:NixOS/nixos-hardware/master";
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agenix = {
url = "github:ryantm/agenix";
inputs.nixpkgs.follows = "nixpkgs";
};
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home-manager = {
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url = "github:nix-community/home-manager";
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inputs.nixpkgs.follows = "nixpkgs";
};
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wired = {
url = "github:Toqozz/wired-notify";
inputs.nixpkgs.follows = "nixpkgs";
};
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# nix lsp
nil = {
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url = "github:oxalica/nil";
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inputs.nixpkgs.follows = "nixpkgs";
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inputs.flake-utils.follows = "flake-utils";
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};
# my neovim configuration
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myneovim = {
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url = "git+https://git.pleshevski.ru/mynix/neovim";
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inputs.nixpkgs.follows = "nixpkgs";
};
# tool to change .env faster
vnetod = {
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url = "git+https://git.pleshevski.ru/pleshevskiy/vnetod";
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inputs.nixpkgs.follows = "nixpkgs";
inputs.flake-utils.follows = "flake-utils";
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};
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mailserver = {
url = "gitlab:simple-nixos-mailserver/nixos-mailserver";
inputs.nixpkgs.follows = "nixpkgs";
inputs.utils.follows = "flake-utils";
};
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};
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outputs = inputs @ { self, flake-utils, nixpkgs, hardware, ... }:
flake-utils.lib.eachDefaultSystem
(system:
let
pkgs = import nixpkgs { inherit system; };
inherit (pkgs) lib;
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nixos-rebuild = pkgs.nixos-rebuild.override { nix = pkgs.nixVersions.stable; };
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localMachines = lib.filterAttrs (h: m: m.config.deployment.targetHost == null) self.nixosConfigurations;
vpsMachines = lib.filterAttrs (h: m: m.config.deployment.targetHost != null) self.nixosConfigurations;
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in
{
apps = lib.mapAttrs
(name: program: { type = "app"; program = toString program; })
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(flake-utils.lib.flattenTree {
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deploy = lib.recurseIntoAttrs (lib.mapAttrs
(hostname: machine: pkgs.writeShellScript "deploy-${hostname}" ''
${nixos-rebuild}/bin/nixos-rebuild switch \
--flake .#${hostname} \
--target-host ${machine.config.deployment.targetHost}
$@
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'')
vpsMachines);
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switch = lib.recurseIntoAttrs (lib.mapAttrs
(hostname: machine: pkgs.writeShellScript "switch-${hostname}" ''
${nixos-rebuild}/bin/nixos-rebuild switch --flake .#${hostname} $@
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'')
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localMachines);
test = lib.recurseIntoAttrs (lib.mapAttrs
(hostname: machine: pkgs.writeShellScript "test-${hostname}" ''
${nixos-rebuild}/bin/nixos-rebuild test --flake .#${hostname} $@
'')
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localMachines);
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});
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devShells = {
default = pkgs.mkShell {
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packages = with pkgs; [
stylua # lua formatter
ormolu # haskell formatter
inputs.agenix.packages.${system}.agenix
];
# Path to the agenix configuration file
RULES = "./.agenix_config.nix";
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};
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tools = pkgs.mkShell {
packages = [ pkgs.gucharmap ];
};
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};
})
// {
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nixosConfigurations =
nixpkgs.lib.mapAttrs
(hostname: { system
, specialArgs ? { }
, extraModules ? [ ]
, extraHomeModule ? null
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, targetHost ? null
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, nixpkgs ? inputs.nixpkgs
}:
nixpkgs.lib.nixosSystem {
inherit system;
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specialArgs = { inherit inputs extraHomeModule; } // specialArgs;
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modules =
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(with inputs; [
agenix.nixosModule
home-manager.nixosModule
])
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++ [ ./machines/${hostname} ]
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++ extraModules
++ [
# deployment settings
({ lib, ... }: {
options.deployment = with lib; {
targetHost = mkOption {
type = types.nullOr types.str;
readOnly = true;
internal = true;
};
};
config.deployment = { inherit targetHost; };
})
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# base home manager settings
({ ... }: {
home-manager.useGlobalPkgs = true;
home-manager.useUserPackages = true;
})
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];
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})
(import ./machines inputs);
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};
}