test flake webui

1 files changed, 84 insertions, 26 deletions

diff --git a/flake.nix b/flake.nix
index f4789d2..bdea298 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,18 +3,28 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    pyproject-nix = {
+      url = "github:nix-community/pyproject.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs = {
     self,
     nixpkgs,
+    pyproject-nix,
   }: let
     system = "x86_64-linux";
     pkgs = import nixpkgs {inherit system;};
+    python = pkgs.python3;
     msci = (pkgs.writeScriptBin
       "msci" (builtins.readFile ./msci)).overrideAttrs (old: {
       buildCommand = "${old.buildCommand}\n patchShebangs $out";
     });
+    msci-web = pyproject-nix.lib.project.loadPyproject {
+      projectRoot = ./.;
+    };
+    msci-web-attrs = msci-web.renderers.buildPythonPackage {inherit python;};
   in {
     packages."${system}".msci = pkgs.symlinkJoin {
       name = "msci";
@@ -22,6 +32,8 @@
       buildInputs = [pkgs.makeWrapper];
       postBuild = "wrapProgram $out/bin/msci --prefix PATH : $out/bin";
     };
+    packages."${system}".msci-web =
+      python.pkgs.buildPythonPackage msci-web-attrs;
     nixosModules.default = {
       lib,
       config,
@@ -40,40 +52,86 @@
                 description = "data directory of makeshiftci";
               };
               createUser = mkEnableOption "create a non-root user";
+              webUI = mkOption {
+                type = types.submodule {
+                  options = {
+                    enable = mkEnableOption "enable makeshiftci web UI";
+                    port = mkOption {
+                      type = types.int;
+                      default = 5000;
+                      description = "port to run the web UI on";
+                    };
+                    timeout = mkOption {
+                      type = types.int;
+                      default = 3600;
+                      description = "gunicorn timeout";
+                    };
+                    workers = mkOption {
+                      type = types.int;
+                      default = 4;
+                      description = "number of gunicorn workers";
+                    };
+                  };
+                };
+                default = {};
+              };
             };
           };
           default = {};
         };
       };
-      config = lib.mkIf cfg.enable {
-        environment = {
-          variables.MSCI_HOME = cfg.dataDir;
-          systemPackages = [self.packages."${system}".msci];
-        };
-        systemd.tmpfiles.settings."makeshiftci" = {
-          "${cfg.dataDir}" = {
-            d = {
-              user =
-                if cfg.createUser
-                then "makeshiftci"
-                else "root";
-              group =
-                if cfg.createUser
-                then "makeshiftci"
-                else "root";
-              mode = "0750";
+      config = lib.mkIf cfg.enable ({
+          environment = {
+            variables.MSCI_HOME = cfg.dataDir;
+            systemPackages = [self.packages."${system}".msci];
+          };
+          systemd.tmpfiles.settings."makeshiftci" = {
+            "${cfg.dataDir}" = {
+              d = {
+                user =
+                  if cfg.createUser
+                  then "makeshiftci"
+                  else "root";
+                group =
+                  if cfg.createUser
+                  then "makeshiftci"
+                  else "root";
+                mode = "0750";
+              };
             };
           };
-        };
-        services.cron.enable = true;
-        users = lib.mkIf cfg.createUser {
-          users."makeshiftci" = {
-            group = "makeshiftci";
-            home = cfg.dataDir;
-            useDefaultShell = true;
+          services.cron.enable = true;
+          users = lib.mkIf cfg.createUser {
+            users."makeshiftci" = {
+              group = "makeshiftci";
+              home = cfg.dataDir;
+              useDefaultShell = true;
+            };
           };
-        };
-      };
+        }
+        // lib.mkIf cfg.webUI.enable {
+          systemd.services.makeshiftci-web = {
+            wantedBy = ["multi-user.target"];
+            unitConfig.ConditionUser =
+              if cfg.createUser
+              then "makeshiftci"
+              else "root";
+            serviceConfig = let
+              webui = pkgs.python3.withPackages (p:
+                with p; [
+                  gunicorn
+                  (callPackage self.packages."${system}".msci-web {})
+                ]);
+            in {
+              ExecStart =
+                "${webui}/bin/gunicorn "
+                + "-w ${cfg.webUI.workers} "
+                + "--timeout ${cfg.webUI.timeout} "
+                + "-b 127.0.0.1:${cfg.webUI.port} "
+                + "'web:create_app()'";
+            };
+          };
+        });
     };
   };
 }