From 42de016d23e8b6208af3e356ab84e2108fc3e3f4 Mon Sep 17 00:00:00 2001
From: Samuel Berthe <dev@samuel-berthe.fr>
Date: Sat, 21 Feb 2026 19:39:21 +0100
Subject: [PATCH] Update rules.yml

---
 _data/rules.yml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/_data/rules.yml b/_data/rules.yml
index 7f4da58..1539321 100644
--- a/_data/rules.yml
+++ b/_data/rules.yml
@@ -19,8 +19,11 @@ groups:
                 severity: warning
               - name: Prometheus target missing
                 description: A Prometheus target has disappeared. An exporter might be crashed.
-                query: "up == 0"
+                query: "up == 0 unless on(job) (sum by (job) (up) == 0)"
                 severity: critical
+                comments: |
+                  Only fire if at least one target in the job is still up.
+                  If all targets are down, PrometheusJobMissing or PrometheusAllTargetsMissing will fire instead.
               - name: Prometheus all targets missing
                 description: A Prometheus job does not have living target anymore.
                 query: "sum by (job) (up) == 0"