git.delta.rocks / jrsonnet / refs/commits / 8228548e369b

1{2  description = "NixOS cluster configuration management";34  inputs = {5    nixpkgs.url = "github:nixos/nixpkgs/release-25.11";6    rust-overlay = {7      url = "github:oxalica/rust-overlay";8      inputs.nixpkgs.follows = "nixpkgs";9    };10    flake-parts = {11      url = "github:hercules-ci/flake-parts";12      inputs.nixpkgs-lib.follows = "nixpkgs";13    };14    crane.url = "github:ipetkov/crane";15    shelly.url = "github:CertainLach/shelly";16    fleet-tf = {17      url = "github:CertainLach/fleet-tf";18      inputs.nixpkgs.follows = "nixpkgs";19      inputs.shelly.follows = "shelly";20      inputs.flake-parts.follows = "flake-parts";21    };22    treefmt-nix = {23      url = "github:numtide/treefmt-nix";24      inputs.nixpkgs.follows = "nixpkgs";25    };26    # DeterminateSystem's nix fork is controversial, but I don't mind it,27    # and it has lazy-trees support which is useful for fleet.28    nix = {29      url = "github:deltarocks/nix/fleet";30      inputs.nixpkgs.follows = "nixpkgs";31      inputs.flake-parts.follows = "flake-parts";32    };33  };34  outputs =35    inputs:36    inputs.flake-parts.lib.mkFlake37      {38        inherit inputs;39      }40      {41        imports = [ inputs.shelly.flakeModule ];42        flake = rec {43          lib =44            (import ./lib {45              inherit (inputs.nixpkgs) lib;46            })47            // {48              fleetConfiguration = throw "function-based interface is deprecated, use flake-parts syntax instead";49            };50          flakeModules.default = import ./lib/flakePart.nix {51            inherit (inputs) crane;52          };53          flakeModule = flakeModules.default;5455          flakeModules.fleet-tf = ./modules/extras/tf.nix;5657          # Used to test nix-eval bindings58          testData = {59            testObj = {60              v = "Hello";61            };62            testString = "hello";63            testPrimop = op: "PREFIX_" + (op "body" "_SUFFIX");64          };6566          # To be used with https://github.com/NixOS/nix/pull/889267          schemas =68            let69              inherit (inputs.nixpkgs.lib) mapAttrs;70            in71            {72              fleetConfigurations = {73                version = 1;74                doc = ''75                  The `fleetConfigurations` flake output defines fleet cluster configurations.76                '';77                inventory = output: {78                  children = mapAttrs (configName: cluster: {79                    what = "fleet cluster configuration";8081                    children = mapAttrs (hostName: host: {82                      what = "host [${host.system}]";83                    }) cluster.config.hosts;84                    # It is possible to implement this inventory right now, but I want to85                    # get rid of `fleet.nix` file in the future.86                    # children.secrets = { };87                  }) output;88                };89              };90            };91        };92        # Supported and tested list of deployment targets.93        systems = [94          "x86_64-linux"95          "aarch64-linux"96          "armv7l-linux"97          "armv6l-linux"98        ];99        perSystem =100          {101            config,102            system,103            pkgs,104            self,105            inputs',106            ...107          }:108          let109            inherit (lib.attrsets) mapAttrs';110            inherit (lib.lists) elem;111            # Can also be built for darwin, through it is not usual to deploy nixos systems from macos machines.112            # I have no hardware for such testing, thus only adding machines I actually have and use.113            #114            # It is not possible to deploy any host from armv6/armv7 hardware, and I don't think it even makes sense.115            deployerSystems = [116              "aarch64-linux"117              "x86_64-linux"118            ];119            deployerSystem = elem system deployerSystems;120            lib = pkgs.lib;121            rust = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;122            craneLib = (inputs.crane.mkLib pkgs).overrideToolchain rust;123            treefmt = (inputs.treefmt-nix.lib.evalModule pkgs ./treefmt.nix).config.build;124          in125          {126            _module.args.pkgs = import inputs.nixpkgs {127              inherit system;128              overlays = [129                (inputs.rust-overlay.overlays.default)130                (final: prev: {131                  boehmgc = prev.boehmgc.overrideAttrs (prevAttrs: {132                    configureFlags = prevAttrs.configureFlags ++ [133                      "--enable-gc-assertions"134                    ];135                  });136                })137              ];138            };139            # Reference fleet package should be built with nightly rust, specified in rust-toolchain.toml.140            packages = lib.mkIf deployerSystem (141              let142                packages = pkgs.callPackages ./pkgs {143                  inherit craneLib inputs';144                };145              in146              packages // { default = packages.fleet; }147            );148            # fleet-install-secrets will not be built normally, because they are not ran directly by user most of the time.149            # checks there build packages for default nixpkgs rustPlatform packages.150            checks =151              let152                nixpkgsCraneLib = inputs.crane.mkLib pkgs;153                packages = pkgs.callPackages ./pkgs {154                  craneLib = nixpkgsCraneLib;155                  inherit inputs;156                };157                prefixAttrs =158                  prefix: attrs:159                  mapAttrs' (name: value: {160                    name = "${prefix}${name}";161                    value = value.overrideAttrs (prev: {162                      pname = "${prefix}${prev.pname}";163                    });164                  }) attrs;165              in166              # fleet-install-secrets is installed to remote systems, thus needs to work167              # with rust in nixpkgs.168              (prefixAttrs "nixpkgs-" {169                inherit (packages) fleet-install-secrets;170              })171              // {172                formatting = treefmt.check self;173              };174            # TODO: It should be possible to move lib.mkIf to default attribute, instead of disabling the whole175            # devShells block, yet nix flake check fails here, due to no default shell found. It is nix or flake-parts bug?176            shelly.shells.default = lib.mkIf deployerSystem {177              factory = craneLib.devShell;178              packages = with pkgs; [179                rust180181                pkg-config182                openssl183                rustPlatform.bindgenHook184                inputs'.nix.packages.nix-expr-c185                inputs'.nix.packages.nix-flake-c186                inputs'.nix.packages.nix-fetchers-c187                inputs'.nix.packages.nix-store-c188                inputs'.nix.packages.nix189190                (rage.overrideAttrs { cargoFeatures = [ "plugin" ]; })191              ];192              environment.PROTOC = "${pkgs.protobuf}/bin/protoc";193            };194            formatter = treefmt.wrapper;195          };196      };197}