nixos/h2o: init module

Co-Authored-By: adisbladis <adis@blad.is>

nixos/tests/web-servers/h2o/mruby.nix

@@ -0,0 +1,64 @@
+import ../../make-test-python.nix (
+  { lib, pkgs, ... }:
+
+  let
+    domain = "h2o.local";
+
+    port = 8080;
+
+    sawatdi_chao_lok = "สวัสดีชาวโลก";
+  in
+  {
+    name = "h2o-mruby";
+
+    meta = {
+      maintainers = with lib.maintainers; [ toastal ];
+    };
+
+    nodes = {
+      server =
+        { pkgs, ... }:
+        {
+          services.h2o = {
+            enable = true;
+            package = pkgs.h2o.override { withMruby = true; };
+            settings = {
+              listen = port;
+              hosts = {
+                "${domain}" = {
+                  paths = {
+                    "/hello_world" = {
+                      "mruby.handler" = # ruby
+                        ''
+                          Proc.new do |env|
+                            [200, {'content-type' => 'text/plain'}, ["${sawatdi_chao_lok}"]]
+                          end
+                        '';
+                    };
+                    "/file_handler" = {
+                      "mruby.handler-file" = ./file_handler.rb;
+                    };
+                  };
+                };
+              };
+            };
+          };
+
+          networking.extraHosts = ''
+            127.0.0.1 ${domain}
+          '';
+        };
+    };
+
+    testScript = # python
+      ''
+        server.wait_for_unit("h2o.service")
+
+        hello_world = server.succeed("curl --fail-with-body http://${domain}:${builtins.toString port}/hello_world")
+        assert "${sawatdi_chao_lok}" in hello_world
+
+        file_handler = server.succeed("curl --fail-with-body http://${domain}:${builtins.toString port}/file_handler")
+        assert "FILE_HANDLER" in file_handler
+      '';
+  }
+)