From e1d80de838d31bd1f05369120ecd7d4b191e9f9c Mon Sep 17 00:00:00 2001
From: Kirill Elagin <kirelagin@gmail.com>
Date: Thu, 23 Jul 2020 18:16:13 -0400
Subject: prometheus: Add assert for legacy listenAddress

---
 nixos/modules/services/monitoring/prometheus/default.nix | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'nixos')

diff --git a/nixos/modules/services/monitoring/prometheus/default.nix b/nixos/modules/services/monitoring/prometheus/default.nix
index cbd4cc452a7..d7e06484b69 100644
--- a/nixos/modules/services/monitoring/prometheus/default.nix
+++ b/nixos/modules/services/monitoring/prometheus/default.nix
@@ -627,6 +627,21 @@ in {
   };
 
   config = mkIf cfg.enable {
+    assertions = [
+      ( let
+          legacy = builtins.match "(.*):(.*)" cfg.listenAddress;
+        in {
+          assertion = legacy == null;
+          message = ''
+            Do not specify the port for Prometheus to listen on in the
+            listenAddress option; use the port option instead:
+              services.prometheus.listenAddress = ${builtins.elemAt legacy 0};
+              services.prometheus.port = ${builtins.elemAt legacy 1};
+          '';
+        }
+      )
+    ];
+
     users.groups.prometheus.gid = config.ids.gids.prometheus;
     users.users.prometheus = {
       description = "Prometheus daemon user";
-- 
cgit 1.4.1