From: Andrew Lewis <nerf@judo.za.org>
Date: Mon, 8 Jul 2024 14:05:52 +0000 (+0200)
Subject: [Fix] metric_exporter: avoid sending `nil` in metric values
X-Git-Tag: 3.9.0~8^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F5041%2Fhead;p=thirdparty%2Frspamd.git

[Fix] metric_exporter: avoid sending `nil` in metric values
---

diff --git a/src/plugins/lua/metric_exporter.lua b/src/plugins/lua/metric_exporter.lua
index 75885516c3..3de87c157a 100644
--- a/src/plugins/lua/metric_exporter.lua
+++ b/src/plugins/lua/metric_exporter.lua
@@ -117,7 +117,7 @@ local function graphite_push(kwargs)
     elseif #split == 2 then
       mvalue = kwargs['stats'][split[1]][split[2]]
     end
-    table.insert(metrics_str, string.format('%s %s %s', mname, mvalue, stamp))
+    table.insert(metrics_str, string.format('%s %s %s', mname, mvalue or 'null', stamp))
   end
 
   metrics_str = table.concat(metrics_str, '\n')