From b1b8633945681a76065c465e3acd6705090455df Mon Sep 17 00:00:00 2001
From: Tine <tine@tjo.space>
Date: Thu, 22 Aug 2024 20:48:15 +0200
Subject: [PATCH] feat: nginx and webhooks

---
 configuration.nix | 60 +++++++++++++++++++++++++++++++++++++----------
 1 file changed, 47 insertions(+), 13 deletions(-)

diff --git a/configuration.nix b/configuration.nix
index a94f1c7..08c42f9 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -4,7 +4,23 @@
   config,
   pkgs,
   ...
-} : {
+}:
+let
+  ngx_http_geoip2_module = pkgs.stdenv.mkDerivation rec {
+    name = "ngx_http_geoip2_module-a28ceff";
+    src = pkgs.fetchgit {
+      url = "https://github.com/leev/ngx_http_geoip2_module";
+      rev = "445df24ef3781e488cee3dfe8a1e111997fc1dfe";
+      sha256 = "1h2xkxpb2nk4r3pkbzgas5rbl95i59jpa59rh94x2hyzxmzrzvv8";
+    };
+    installPhase = ''
+      mkdir $out
+      cp *.c config $out/
+    '';
+    fixupPhase = "";
+  };
+in
+{
   system.stateVersion = "23.11";
 
   #boot.loader.systemd-boot.enable = true;
@@ -15,14 +31,13 @@
 
   # USER MANAGEMENT
   nix.settings.trusted-users = [ "nixos" ];
-  users.users.nixos =
-    {
-      isNormalUser = true;
-      extraGroups = [ "wheel" ];
-      openssh.authorizedKeys.keys = [
-        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICXAlzwziqfUUb2qmFwNF/nrBYc5MNT1MMOx81ohBmB+ tine@little.sys.tjo.space"
-      ];
-    };
+  users.users.nixos = {
+    isNormalUser = true;
+    extraGroups = [ "wheel" ];
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICXAlzwziqfUUb2qmFwNF/nrBYc5MNT1MMOx81ohBmB+ tine@little.sys.tjo.space"
+    ];
+  };
   services.openssh = {
     enable = true;
     settings.PasswordAuthentication = false;
@@ -32,9 +47,28 @@
   security.sudo.wheelNeedsPassword = false;
 
   # NGINX
-  services.nginx.enable = true;
+  services.nginx = {
+    enable = true;
+    package = pkgs.nginx.overrideAttrs (oldAttrs: {
+      configureFlags = oldAttrs.configureFlags ++ [ "--add-module=${ngx_http_geoip2_module}" ];
+      buildInputs = oldAttrs.buildInputs ++ [ pkgs.libmaxminddb ];
+    });
+  };
 
-  environment.systemPackages = [
-    pkgs.nginx
-  ];
+  # WEBHOOK
+  # TODO: we will have multiple instances of these,
+  #       should they somehow broadcast changes to eachother?
+  # Should this be a GO service instead? With some raft mechanism?
+  # At that point, we could also switch from nginx to envoy or something...
+  services.webhook = {
+    enable = true;
+    port = 9000;
+    hooks = {
+      test = {
+        execute-command = "echo 'test'";
+      };
+    };
+  };
+
+  environment.systemPackages = [ pkgs.nginx ];
 }