From f673fe72c309dc8cdaef22fb9d58d95f3d88b869 Mon Sep 17 00:00:00 2001
From: Per Lundberg <perlun@gmail.com>
Date: Fri, 27 Nov 2020 11:08:46 +0200
Subject: [PATCH] Update rules.yml

Fixes bug in previous commit. `or` has lower precedence than `<` in PromQL so hence the need for the grouping using parentheses.
---
 _data/rules.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/_data/rules.yml b/_data/rules.yml
index 430c2f1..22f22c3 100644
--- a/_data/rules.yml
+++ b/_data/rules.yml
@@ -520,7 +520,7 @@ groups:
                 severity: critical
               - name: Redis missing master
                 description: Redis cluster has no node marked as master.
-                query: 'count(redis_instance_info{role="master"}) or vector(0) < 1'
+                query: '(count(redis_instance_info{role="master"}) or vector(0)) < 1'
                 severity: critical
               - name: Redis too many masters
                 description: Redis cluster has too many nodes marked as master.