From 74692676af6d5b20d53fde4d6295753a56b9504e Mon Sep 17 00:00:00 2001
From: Callum Styan <callumstyan@gmail.com>
Date: Tue, 21 Jun 2022 14:36:05 -0700
Subject: [PATCH] Add a function to remove an alert rule

Signed-off-by: Callum Styan <callumstyan@gmail.com>
---
 mixin-utils/utils.libsonnet | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/mixin-utils/utils.libsonnet b/mixin-utils/utils.libsonnet
index def1e87fb..051f09bab 100644
--- a/mixin-utils/utils.libsonnet
+++ b/mixin-utils/utils.libsonnet
@@ -166,4 +166,15 @@ local g = import 'grafana-builder/grafana.libsonnet';
       groups: std.map(overrideInGroup, super.groups),
     },
   },
+
+  removeAlerts(alerts):: {
+    local removeRule(rule) =
+      if 'alert' in rule && std.objectHas(alerts, rule.alert)
+      then {}
+      else rule,
+    local removeInGroup(group) = group { rules: std.map(removeRule, super.rules) },
+    prometheusAlerts+:: {
+      groups: std.prune(std.map(removeInGroup, super.groups)),
+    },
+  },
 }