From 1ade38b4f46d4cf14c36dc5879d968610feea852 Mon Sep 17 00:00:00 2001
From: Skye <me@skye.vg>
Date: Sat, 15 Jul 2023 14:19:21 +0900
Subject: [PATCH] feat(nix): flakes

---
 flake.lock |  24 ++++++++
 flake.nix  | 157 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 181 insertions(+)
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..53305a3
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,24 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1688939073,
+        "narHash": "sha256-jYhYjeK5s6k8QS3i+ovq9VZqBJaWbxm7awTKNhHL9d0=",
+        "path": "/nix/store/qfzj4dl08yww1j5dplacf6przdmccc7s-source",
+        "rev": "8df7a67abaf8aefc8a2839e0b48f92fdcf69a38b",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..30d2460
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,157 @@
+{
+  inputs.nixpkgs.url = "nixpkgs";
+
+  outputs = {
+    self,
+    nixpkgs,
+    ...
+  }: let
+    version = builtins.substring 0 7 self.lastModifiedDate;
+
+    systems = [
+      "x86_64-linux"
+      "aarch64-linux"
+      "x86_64-darwin"
+      "aarch64-darwin"
+    ];
+
+    forAllSystems = nixpkgs.lib.genAttrs systems;
+    nixpkgsFor = forAllSystems (system: import nixpkgs {inherit system;});
+
+    packageFn = pkgs:
+      pkgs.rustPlatform.buildRustPackage {
+        pname = "quiclime";
+        inherit version;
+
+        src = builtins.path {
+          name = "source";
+          path = ./.;
+        };
+
+        cargoSha256 = "sha256-pc3uVPimdjygDHEludRByy7mbXJr//rCf7OfrsW+hDk=";
+      };
+  in rec {
+    packages = forAllSystems (s: let
+      pkgs = nixpkgsFor.${s};
+    in rec {
+      quiclime = packageFn pkgs;
+      default = quiclime;
+    });
+
+    devShells = forAllSystems (s: let
+      pkgs = nixpkgsFor.${s};
+      inherit (pkgs) mkShell;
+    in {
+      default = mkShell {
+        packages = with pkgs; [rustc cargo rustfmt];
+      };
+    });
+
+    nixosModules = rec {
+      quiclime = { config, lib, pkgs, ... }:
+      with lib;
+      let
+        cfg = config.services.quiclime;
+      in {
+        options = {
+          services.quiclime = {
+            enable =
+              mkEnableOption "Enable Quiclime relay server";
+
+            package = mkOption {
+              default = packages.${pkgs.system}.quiclime;
+              type = types.package;
+              defaultText = literalExpression "packages.${pkgs.system}.quiclime";
+              description = lib.mdDoc "Quiclime derivation to use";
+            };
+
+            user = mkOption {
+              type = types.str;
+              default = "quiclime";
+              description = lib.mdDoc "User account under which quiclime runs.";
+            };
+
+            group = mkOption {
+              type = types.str;
+              default = "quiclime";
+              description = lib.mdDoc "Group under which quiclime runs.";
+            };
+            
+            baseDomain = mkOption {
+              type = types.str;
+              description = lib.mdDoc "The base domain for this relay.";
+            };
+            
+            mcAddr = mkOption {
+              type = types.str;
+              default = "0.0.0.0:25565";
+              description = lib.mdDoc "The socket address to listen to Minecraft connections.";
+            };
+            
+            relayAddr = mkOption {
+              type = types.str;
+              default = "0.0.0.0:25575";
+              description = lib.mdDoc "The socket address to listen to quiclime connections.";
+            };
+            
+            controlAddr = mkOption {
+              type = types.str;
+              default = "127.0.0.1:25585";
+              description = lib.mdDoc "The socket address to listen to HTTP control messages.";
+            };
+
+            cert = mkOption {
+              type = types.str;
+              example = "/path/to/fullchain.pem";
+              description = lib.mdDoc "Path to TLS certificate to use for quiclime connections.";
+            };
+
+            key = mkOption {
+              type = types.str;
+              example = "/path/to/key.pem";
+              description = lib.mdDoc "Path to TLS key to use for quiclime connections.";
+            };
+          };
+        };
+
+        config = mkIf cfg.enable {
+          systemd.services.quiclime = {
+            wantedBy = [ "multi-user.target" ];
+            after = [ "network-online.target" ];
+            description = "Quiclime relay server";
+            serviceConfig = {
+              Type = "simple";
+              User = cfg.user;
+              Group = cfg.group;
+              ExecStart =
+                "${cfg.package}/bin/quiclime";
+            };
+
+            environment = {
+              QUICLIME_BASE_DOMAIN = cfg.baseDomain;
+              QUICLIME_BIND_ADDR_MC = cfg.mcAddr;
+              QUICLIME_BIND_ADDR_QUIC = cfg.relayAddr;
+              QUICLIME_BIND_ADDR_WEB = cfg.controlAddr;
+              QUICLIME_CERT_PATH = cfg.cert;
+              QUICLIME_KEY_PATH = cfg.key;
+            };
+          };
+
+          users.users = mkIf (cfg.user == "quiclime") {
+            quiclime = {
+              description = "Quiclime relay server";
+              useDefaultShell = true;
+              group = cfg.group;
+              isSystemUser = true;
+            };
+          };
+
+          users.groups = mkIf (cfg.group == "quiclime") {
+            quiclime = {};
+          };
+        };
+      };
+      default = quiclime;
+    };
+  };
+}
\ No newline at end of file