From da3c2f4c0e20f77dfad78b2d640cacf7bfa76e91 Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Tue, 7 Jul 2026 23:41:53 +0200
Subject: [PATCH 1/2] prometheus-kea-exporter: 0.7.0 -> 0.7.1

https://github.com/mweinelt/kea-exporter/blob/v0.7.1/HISTORY
---
 .../pr/prometheus-kea-exporter/package.nix    | 26 +++++++++----------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/pkgs/by-name/pr/prometheus-kea-exporter/package.nix b/pkgs/by-name/pr/prometheus-kea-exporter/package.nix
index 2b2cadba9b01..dc9c463886a0 100644
--- a/pkgs/by-name/pr/prometheus-kea-exporter/package.nix
+++ b/pkgs/by-name/pr/prometheus-kea-exporter/package.nix
@@ -1,19 +1,21 @@
 {
   lib,
   python3Packages,
-  fetchPypi,
+  fetchFromGitHub,
   nixosTests,
+  versionCheckHook,
 }:
 
-python3Packages.buildPythonApplication rec {
+python3Packages.buildPythonApplication (finalAttrs: {
   pname = "kea-exporter";
-  version = "0.7.0";
+  version = "0.7.1";
   pyproject = true;
 
-  src = fetchPypi {
-    pname = "kea_exporter";
-    inherit version;
-    hash = "sha256-kn2iwYWcyW90tgfWmzLF7rU06fJyLRzqYKNLOgu/Yqk=";
+  src = fetchFromGitHub {
+    owner = "mweinelt";
+    repo = "kea-exporter";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-UwQYR01cBdPEUBhOo5TqwmptAvJpxln1OLU2boAFdn4=";
   };
 
   nativeBuildInputs = with python3Packages; [
@@ -26,21 +28,17 @@ python3Packages.buildPythonApplication rec {
     requests
   ];
 
-  checkPhase = ''
-    $out/bin/kea-exporter --help > /dev/null
-    $out/bin/kea-exporter --version | grep -q ${version}
-  '';
-
+  nativeInstallCheckInputs = [ versionCheckHook ];
   passthru.tests = {
     inherit (nixosTests) kea;
   };
 
   meta = {
-    changelog = "https://github.com/mweinelt/kea-exporter/blob/v${version}/HISTORY";
+    changelog = "https://github.com/mweinelt/kea-exporter/blob/v${finalAttrs.version}/HISTORY";
     description = "Export Kea Metrics in the Prometheus Exposition Format";
     mainProgram = "kea-exporter";
     homepage = "https://github.com/mweinelt/kea-exporter";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ hexa ];
   };
-}
+})

From b908e3e050d791a94acd4b472be2ae9bc1e29b4d Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Tue, 7 Jul 2026 23:42:56 +0200
Subject: [PATCH 2/2] nixos/tests/kea: restore prometheus exporter test

---
 nixos/tests/kea.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/nixos/tests/kea.nix b/nixos/tests/kea.nix
index e339c4cc7000..ec249f0c7150 100644
--- a/nixos/tests/kea.nix
+++ b/nixos/tests/kea.nix
@@ -110,6 +110,13 @@
             };
           };
         };
+
+        services.prometheus.exporters.kea = {
+          enable = true;
+          controlSocketPaths = [
+            config.services.kea.dhcp4.settings.control-socket.socket-name
+          ];
+        };
       };
 
     nameserver =
@@ -217,5 +224,9 @@
 
       with subtest("DDNS"):
           nameserver.wait_until_succeeds("kdig +short client.lan.nixos.test @10.0.0.2 | grep -q 10.0.0.3")
+
+      with subtest("Prometheus Exporter"):
+        router.log(router.execute("curl 127.0.0.1:9547")[1])
+        router.succeed("curl --silent 127.0.0.1:9547 | grep -qE '^kea_dhcp4_addresses_assigned_total.*1.0$'")
     '';
 }