fuuko/hydra: Show logs after build is completed

machines/fuuko/services/binary-cache.nix

@@ -51,6 +51,13 @@ in
               auth_basic "restricted upload";
               auth_basic_user_file ${config.sops.secrets.nix-binary-cache-htpasswd.path};
           }
+
+          # workaround for nginx dropping parent headers
+          # see https://github.com/yandex/gixy/blob/master/docs/en/plugins/addheaderredefinition.md
+          ${lib.concatStringsSep "\n" (lib.filter
+            (lib.hasPrefix "add_header ")
+            (lib.splitString "\n" config.services.nginx.commonHttpConfig))}
+          add_header Access-Control-Allow-Origin https://hydra.sbruder.de;
         '';
         "/nix/store/".proxyPass = "http://localhost:${config.systemd.services.nar-serve.environment.PORT}";
       };

machines/fuuko/services/hydra.nix

@@ -25,6 +25,7 @@ in
       server_store_uri = file:///data/cache/nix-binary-cache
 
       upload_logs_to_binary_cache = true
+      log_prefix = https://nix-cache.sbruder.de/
     '';
   };