flake: add mono-node and multi-node tests

Author: RaitoBezarius

Cargo.toml

@@ -1,4 +1,6 @@
 [workspace]
+package.name = "sable"
+package.version = "0.0.1"
 members = [
     "sable_macros",
     "sable_network",

flake.lock

@@ -12,18 +12,62 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     flake-utils.url = "github:numtide/flake-utils";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    flake-parts.inputs.nixpkgs-lib.follows = "nixpkgs";
     nixpkgs.url = "nixpkgs/nixos-unstable";
   };
 
-  outputs = { self, crane, fenix, flake-utils, nixpkgs }:
-    flake-utils.lib.eachDefaultSystem (system: {
-      packages.default =
-        let
-          craneLib = crane.lib.${system}.overrideToolchain
-            fenix.packages.${system}.minimal.toolchain;
-        in
-        craneLib.buildPackage {
-          src = ./sable_ircd;
+  outputs = { self, crane, fenix, flake-utils, flake-parts, nixpkgs }@inputs: flake-parts.lib.mkFlake { inherit inputs; } ({ moduleWithSystem, ... }: {
+    imports = [
+      inputs.flake-parts.flakeModules.easyOverlay
+    ];
+
+    flake.nixosModules.sable = moduleWithSystem (
+      { config }:
+      { ... }: {
+        imports = [
+          ./nix/modules/sable.nix
+        ];
+      }
+    );
+
+    systems = [
+      "x86_64-linux"
+
+      # Not actively tested, but may work:
+      # "aarch64-linux"
+    ];
+
+    perSystem = { config, system, pkgs, ... }:
+      let
+        pkgs = import nixpkgs {
+          system = system;
+          overlays = [
+            self.overlays.default
+          ];
+        };
+        inherit (pkgs) lib;
+      in {
+        packages.sable =
+          let
+            craneLib = crane.lib.${system}.overrideToolchain
+              (fenix.packages.${system}.fromToolchainFile {
+                file = ./rust-toolchain.toml;
+                sha256 = "sha256-kadEI6Hg6v+Xw68334b8XpfNah1pZAJZQ+i6ViN+QyQ=";
+              });
+          in
+          craneLib.buildPackage {
+            src = ./.;
+          };
+
+          overlayAttrs = {
+            inherit (config.packages) sable;
+          };
+
+          checks = (import ./nix/tests/sable.nix {
+            inherit pkgs;
+            sableModule = self.nixosModules.sable;
+          });
         };
-    });
+      });
 }

flake.nix

@@ -0,0 +1,94 @@
+{ lib, config, pkgs, ... }:
+with lib;
+let
+  cfg = config.services.sable;
+
+  settingsFormat = pkgs.formats.json { };
+  serverConfigFile = settingsFormat.generate "server.json" cfg.server.settings;
+  networkConfigFile =
+    settingsFormat.generate "network.json" cfg.network.settings;
+  bootstrapFile =
+    settingsFormat.generate "bootstrap.json" cfg.network.bootstrap;
+in {
+  options.services.sable = {
+    enable = mkEnableOption "the Libera Chat's Sable IRCd";
+
+    network = {
+      configFile = mkOption {
+        type = types.path;
+        default = networkConfigFile;
+      };
+
+      settings = mkOption rec {
+        type = types.submodule { freeformType = settingsFormat.type; };
+
+        default = { };
+      };
+
+      bootstrap = mkOption {
+        type = types.nullOr (types.submodule { freeformType = settingsFormat.type; });
+        default = null;
+      };
+    };
+
+    server.configFile = mkOption {
+      type = types.path;
+      default = serverConfigFile;
+    };
+
+    server.settings = mkOption {
+      type = types.submodule { freeformType = settingsFormat.type; };
+
+      default = { };
+
+      description = ''
+        Server configuration of the IRCd.
+        '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.sable.server.settings.log = lib.mapAttrs (n: lib.mkDefault) {
+      dir = "/var/log/sable/";
+      # stdout = "stdout.log";
+      # stderr = "stderr.log";
+      pidfile = "/run/sable/sable.pid";
+      module-levels = {
+        tokio = "trace";
+        runtime = "trace";
+        rustls = "error";
+        tracing = "warn";
+        sable = "trace";
+        "" = "debug";
+      };
+
+      targets = [
+        {
+          target = "stdout";
+          level = "trace";
+          modules = [ "sable"];
+        }
+        {
+          target = { filename = "sable.log"; level = "info"; };
+          level = "info";
+        }
+        {
+          target = { filename = "trace.log"; level = "trace"; };
+          level = "trace";
+        }
+      ];
+
+      console-address = "127.0.0.1:9999";
+    };
+    systemd.services.sable-ircd = {
+      description = "Sable IRC daemon";
+      wantedBy = [ "multi-user.target" ];
+      restartTriggers = [ cfg.network.configFile cfg.server.configFile ];
+      serviceConfig = {
+        LogsDirectory = "sable";
+        PIDFile = "sable.pid";
+        ExecStart = "${pkgs.sable}/bin/sable_ircd --foreground ${optionalString (cfg.network.bootstrap != null) "--bootstrap-network ${bootstrapFile}"} --network-conf ${cfg.network.configFile} --server-conf ${cfg.server.configFile}";
+      };
+    };
+  };
+}