2 files changed, 67 insertions, 0 deletions
diff --git a/krebs/3modules/default.nix b/krebs/3modules/default.nix
index b4e7f9254..6d62b2e38 100644
--- a/krebs/3modules/default.nix
+++ b/krebs/3modules/default.nix
@@ -13,6 +13,7 @@ let
       ./exim-smarthost.nix
       ./github-hosts-sync.nix
       ./git.nix
+      ./go.nix
       ./iptables.nix
       ./nginx.nix
       ./per-user.nix
diff --git a/krebs/3modules/go.nix b/krebs/3modules/go.nix
new file mode 100644
index 000000000..793d1f60d
--- /dev/null
+++ b/krebs/3modules/go.nix
@@ -0,0 +1,66 @@
+{ config, lib, pkgs, ... }:
+
+with builtins;
+with lib;
+
+let
+  cfg = config.krebs.go;
+
+  out = {
+    options.krebs.go = api;
+    config = mkIf cfg.enable imp;
+  };
+
+  api = {
+    enable = mkEnableOption "Enable go url shortener";
+    port = mkOption {
+      type = types.str;
+      default = "1337";
+      description = "on which port go should run on";
+    };
+    redisKeyPrefix = mkOption {
+      type = types.str;
+      default = "go:";
+      description = "change the Redis key prefix which defaults to `go:`";
+    };
+  };
+
+  imp = {
+    services.redis = {
+      enable = mkDefault true;
+      bind = mkDefault "127.0.0.1";
+    };
+
+    users.extraUsers.go = {
+      name = "go";
+      uid = 42774411; #genid go
+      description = "go url shortener user";
+      home = "/var/lib/go";
+      createHome = true;
+    };
+
+    systemd.services.go = {
+      description = "go url shortener";
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+
+      path = with pkgs; [
+        go
+      ];
+
+      environment = {
+        PORT = cfg.port;
+        REDIS_KEY_PREFIX = cfg.redisKeyPrefix;
+      };
+
+      restartIfChanged = true;
+
+      serviceConfig = {
+        User = "go";
+        Restart = "always";
+        ExecStart = "${pkgs.go}/bin/go";
+      };
+    };
+  };
+
+in out