From ef1496174e4c142df1b3c8faf41c1f774f45494a Mon Sep 17 00:00:00 2001 From: Pavel Roskin Date: Tue, 20 Jan 2026 15:27:16 -0800 Subject: [PATCH] nixos/prometheus: don't create empty rule files --- nixos/modules/services/monitoring/prometheus/default.nix | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nixos/modules/services/monitoring/prometheus/default.nix b/nixos/modules/services/monitoring/prometheus/default.nix index 4ad13d9eac08..977ef869c335 100644 --- a/nixos/modules/services/monitoring/prometheus/default.nix +++ b/nixos/modules/services/monitoring/prometheus/default.nix @@ -66,7 +66,7 @@ let rule_files = optionals (!(cfg.enableAgentMode)) ( map (promtoolCheck "check rules" "rules") ( cfg.ruleFiles - ++ [ + ++ optionals (builtins.length cfg.rules > 0) [ (pkgs.writeText "prometheus.rules" (concatStringsSep "\n" cfg.rules)) ] )