Migrate tailscalesd to uv and add flake packaging with a NixOS service module.

2026-03-05 15:37:04 +01:00 · 2026-03-05 15:37:04 +01:00 · d5201b471b
commit d5201b471b
parent b195bd1e8f
14 changed files with 2160 additions and 2242 deletions
--- a/flake.nix
+++ b/flake.nix
@ -0,0 +1,161 @@
+{
+  description = "tailscalesd service discovery daemon";
+
+  inputs = {
+    nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1";
+    pyproject-nix = {
+      url = "github:pyproject-nix/pyproject.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    uv2nix = {
+      url = "github:pyproject-nix/uv2nix";
+      inputs.pyproject-nix.follows = "pyproject-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    pyproject-build-systems = {
+      url = "github:pyproject-nix/build-system-pkgs";
+      inputs.pyproject-nix.follows = "pyproject-nix";
+      inputs.uv2nix.follows = "uv2nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      pyproject-nix,
+      uv2nix,
+      pyproject-build-systems,
+      ...
+    }:
+    let
+      systems = [ "x86_64-linux" ];
+      forAllSystems = fn: nixpkgs.lib.genAttrs systems (system: fn nixpkgs.legacyPackages.${system});
+
+      workspace = uv2nix.lib.workspace.loadWorkspace { workspaceRoot = ./.; };
+      projectOverlay = workspace.mkPyprojectOverlay { sourcePreference = "wheel"; };
+
+      mkPythonSet =
+        pkgs:
+        (pkgs.callPackage pyproject-nix.build.packages {
+          python = pkgs.python311;
+        }).overrideScope
+          (
+            pkgs.lib.composeManyExtensions [
+              pyproject-build-systems.overlays.default
+              projectOverlay
+            ]
+          );
+
+      mkTailscalesdPackage =
+        pkgs:
+        let
+          pythonSet = mkPythonSet pkgs;
+        in
+        pythonSet.mkVirtualEnv "tailscalesd-env" workspace.deps.default;
+
+      mkTailscalesdTestEnv =
+        pkgs:
+        let
+          pythonSet = mkPythonSet pkgs;
+        in
+        pythonSet.mkVirtualEnv "tailscalesd-test-env" {
+          tailscalesd = [ "dev" ];
+        };
+
+      mkModuleWithPackage =
+        modulePath:
+        { pkgs, ... }:
+        {
+          imports = [ modulePath ];
+          _module.args.tailscalesdPackage = self.packages.${pkgs.stdenv.hostPlatform.system}.tailscalesd;
+        };
+    in
+    {
+      formatter = forAllSystems (pkgs: pkgs.nixfmt-rfc-style);
+
+      packages = forAllSystems (
+        pkgs:
+        let
+          tailscalesd = mkTailscalesdPackage pkgs;
+        in
+        {
+          inherit tailscalesd;
+          default = tailscalesd;
+        }
+      );
+
+      apps = forAllSystems (
+        pkgs:
+        let
+          tailscalesd = self.packages.${pkgs.stdenv.hostPlatform.system}.tailscalesd;
+        in
+        {
+          tailscalesd = {
+            type = "app";
+            program = "${tailscalesd}/bin/tailscalesd";
+          };
+          default = {
+            type = "app";
+            program = "${tailscalesd}/bin/tailscalesd";
+          };
+        }
+      );
+
+      checks = forAllSystems (
+        pkgs:
+        let
+          system = pkgs.stdenv.hostPlatform.system;
+          tailscalesd = self.packages.${system}.tailscalesd;
+          testEnv = mkTailscalesdTestEnv pkgs;
+          src = ./.;
+          moduleEval = nixpkgs.lib.nixosSystem {
+            inherit system;
+            modules = [
+              self.nixosModules.tailscalesd
+              {
+                system.stateVersion = "24.11";
+                services.tailscalesd.enable = true;
+                services.tailscalesd.environmentFile = "/dev/null";
+              }
+            ];
+          };
+        in
+        {
+          formatter = self.formatter.${system};
+          package-default = tailscalesd;
+          package-tailscalesd = tailscalesd;
+
+          module-eval = pkgs.runCommand "tailscalesd-module-eval" { } ''
+            test -n '${moduleEval.config.systemd.services.tailscalesd.serviceConfig.ExecStart}'
+            touch $out
+          '';
+
+          tailscalesd-unit-tests = pkgs.stdenv.mkDerivation {
+            name = "tailscalesd-unit-tests";
+            inherit src;
+            dontConfigure = true;
+            dontBuild = true;
+            nativeBuildInputs = [ testEnv ];
+            checkPhase = ''
+              runHook preCheck
+              export HOME=$(mktemp -d)
+              pytest tests/ -v
+              runHook postCheck
+            '';
+            doCheck = true;
+            installPhase = ''
+              mkdir -p $out
+              touch $out/passed
+            '';
+          };
+        }
+      );
+
+      nixosModules = {
+        tailscalesd = mkModuleWithPackage ./nix/modules/nixos/services/tailscalesd.nix;
+        default = mkModuleWithPackage ./nix/modules/nixos/default.nix;
+      };
+    };
+}