From 4a15683db43d43f9575c7340019ee5ca5f7625be Mon Sep 17 00:00:00 2001
From: Maxim Ivanov <ivanov.maxim@gmail.com>
Date: Tue, 27 Nov 2018 15:29:46 +0000
Subject: [PATCH] Do not error if no $._config.prometheus.rules are set

---
 jsonnet/kube-prometheus/prometheus/prometheus.libsonnet | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet b/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet
index f9de222e..d0ce82c2 100644
--- a/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet
+++ b/jsonnet/kube-prometheus/prometheus/prometheus.libsonnet
@@ -40,7 +40,7 @@ local k = import 'ksonnet/ksonnet.beta.3/k.libsonnet';
       service.new('prometheus-' + $._config.prometheus.name, { app: 'prometheus', prometheus: $._config.prometheus.name }, prometheusPort) +
       service.mixin.metadata.withNamespace($._config.namespace) +
       service.mixin.metadata.withLabels({ prometheus: $._config.prometheus.name }),
-    rules:
+    [if $._config.prometheus.rules != null and $._config.prometheus.rules != {} then "rules"]:
       {
         apiVersion: 'monitoring.coreos.com/v1',
         kind: 'PrometheusRule',
-- 
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