From dc2561217331cc097967d4668448c18bbc671676 Mon Sep 17 00:00:00 2001
From: "Gustavo \"Guz\" L. de Mello" <contact.guz013@gmail.com>
Date: Sun, 28 Jan 2024 21:28:28 -0300
Subject: [PATCH] feat: tailscale homelab module

---
 hosts/homex/configuration.nix       |  6 ++++++
 hosts/homex/network.nix             |  5 -----
 modules/nixos/homelab/default.nix   |  1 +
 modules/nixos/homelab/tailscale.nix | 33 +++++++++++++++++++++++++++++
 4 files changed, 40 insertions(+), 5 deletions(-)
 create mode 100644 modules/nixos/homelab/tailscale.nix

diff --git a/hosts/homex/configuration.nix b/hosts/homex/configuration.nix
index 3441c11..6c38bef 100644
--- a/hosts/homex/configuration.nix
+++ b/hosts/homex/configuration.nix
@@ -23,6 +23,12 @@
     ip = "100.66.139.89";
     localIp = "192.168.1.10";
 
+    tailscale = {
+      enable = true;
+      mode = "both";
+      exitNode = true;
+    };
+
     forgejo = {
       enable = true;
       settings.users."user1" = {
diff --git a/hosts/homex/network.nix b/hosts/homex/network.nix
index 4b0f05b..57b1e0e 100644
--- a/hosts/homex/network.nix
+++ b/hosts/homex/network.nix
@@ -14,11 +14,6 @@
       nameservers = [ "100.100.100.100" "1.1.1.1" "8.8.8.8" ];
     };
 
-    services.tailscale = {
-      enable = true;
-      useRoutingFeatures = "both";
-    };
-
     boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
     boot.kernel.sysctl."net.ipv6.conf.all.forwarding" = 1;
 
diff --git a/modules/nixos/homelab/default.nix b/modules/nixos/homelab/default.nix
index 03994ae..e35326b 100644
--- a/modules/nixos/homelab/default.nix
+++ b/modules/nixos/homelab/default.nix
@@ -26,6 +26,7 @@ in
     ./adguard.nix
     ./caddy.nix
     ./forgejo.nix
+    ./tailscale.nix
   ];
   options.homelab = with lib; with lib.types; {
     enable = mkEnableOption "";
diff --git a/modules/nixos/homelab/tailscale.nix b/modules/nixos/homelab/tailscale.nix
new file mode 100644
index 0000000..b03ff08
--- /dev/null
+++ b/modules/nixos/homelab/tailscale.nix
@@ -0,0 +1,33 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.homelab.tailscale;
+in
+{
+  imports = [
+    ./network.nix
+  ];
+  options.homelab.tailscale = with lib; with lib.types; {
+    enable = mkEnableOption "";
+    mode = mkOption {
+      type = enum [
+        "client"
+        "server"
+        "both"
+      ];
+      default = "both";
+    };
+    exitNode = mkOption {
+      type = bool;
+      default = false;
+    };
+    settings = { };
+  };
+  config = lib.mkIf cfg.enable {
+    services.tailscale = {
+      enable = true;
+      useRoutingFeatures = cfg.mode;
+    };
+  };
+}
+