From fc55a1bdd4a863e354c3b7fa8bf19fb874949124 Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Fri, 23 Apr 2021 23:34:26 +0200
Subject: [PATCH] nixos/tests/prometheus-exporters/bird: set router id

Previously bird would refuse to start up because the router id wasn't
set.

> bird[682]: Cannot determine router ID, please configure it manually
---
 nixos/tests/prometheus-exporters.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/nixos/tests/prometheus-exporters.nix b/nixos/tests/prometheus-exporters.nix
index cf3518286fd..9aa430c25a4 100644
--- a/nixos/tests/prometheus-exporters.nix
+++ b/nixos/tests/prometheus-exporters.nix
@@ -118,6 +118,8 @@ let
       metricProvider = {
         services.bird2.enable = true;
         services.bird2.config = ''
+          router id 127.0.0.1;
+
           protocol kernel MyObviousTestString {
             ipv4 {
               import all;