From 5c4284d68c89a2be435b6c0df491d36e4eb5a8ab Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Mon, 5 Apr 2021 13:18:43 +0200
Subject: [PATCH] fuuko: Add dnsmasq prometheus exporter

---
 machines/fuuko/services/dnsmasq.nix    | 6 ++++++
 machines/fuuko/services/prometheus.nix | 8 ++++++++
 2 files changed, 14 insertions(+)

diff --git a/machines/fuuko/services/dnsmasq.nix b/machines/fuuko/services/dnsmasq.nix
index a586492..f49e8d0 100644
--- a/machines/fuuko/services/dnsmasq.nix
+++ b/machines/fuuko/services/dnsmasq.nix
@@ -24,6 +24,12 @@
     ];
   };
 
+  services.prometheus.exporters.dnsmasq = {
+    enable = true;
+    listenAddress = "127.0.0.1";
+    leasesPath = "/var/lib/dnsmasq/dnsmasq.leases";
+  };
+
   services.stubby = {
     enable = true;
     listenAddresses = [
diff --git a/machines/fuuko/services/prometheus.nix b/machines/fuuko/services/prometheus.nix
index ec12b64..8a020d8 100644
--- a/machines/fuuko/services/prometheus.nix
+++ b/machines/fuuko/services/prometheus.nix
@@ -111,6 +111,14 @@ in
           replacement = "ci.sbruder.de";
         };
       }
+      {
+        job_name = "dnsmasq";
+        static_configs = mkStaticTarget (with config.services.prometheus.exporters.dnsmasq; "${listenAddress}:${toString port}");
+        relabel_configs = lib.singleton {
+          target_label = "instance";
+          replacement = "fuuko.home.sbruder.de";
+        };
+      }
     ];
 
     rules =