nginx: split logs per vhost

modules/nginx.nix

@@ -1,6 +1,11 @@
-{ config, pkgs, ... }:
+{ lib, config, pkgs, ... }:
+{
+  services.nginx =
+    let
+      # manually write the hosts in here since automatic grabbing leads to an unfixable infinite recursion
+      hosts = [ "mail" "rspamd" "chat" "matrix" "kpp" "kurse" "git" "ftp" "users" "pad" "list.pad" "manual" "infoscreen" "kanboard" "kb" "lists" "nc" "oc" "sharepic" "vault" "www" "wiki" ];
+    in
     {
-  services.nginx = {
 
       additionalModules = [ pkgs.nginxModules.pam ];
       enable = true;
@@ -8,6 +13,14 @@
       recommendedGzipSettings = true;
       recommendedOptimisation = true;
       recommendedTlsSettings = true;
+      # split up nginx access logs per vhost
+      virtualHosts = lib.genAttrs (lib.lists.forEach hosts (h: h + ".ifsr.de")) (host: {
+        extraConfig = ''
+          access_log /var/log/nginx/${host}_access.log;
+          error_log /var/log/nginx/${host}_error.log;
+
+        '';
+      });
 
       # appendHttpConfig = ''
       #   map $remote_addr $remote_addr_anon {