From 54a459700132a0818c2c847c6ea942ef953ba39c Mon Sep 17 00:00:00 2001
From: Tim Ebert <tim.ebert@sap.com>
Date: Thu, 18 Feb 2021 09:14:46 +0100
Subject: [PATCH] Dedup API server warnings

---
 cmd/gardener-resource-manager/main.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/cmd/gardener-resource-manager/main.go b/cmd/gardener-resource-manager/main.go
index 23a90fa3..ab86f13a 100644
--- a/cmd/gardener-resource-manager/main.go
+++ b/cmd/gardener-resource-manager/main.go
@@ -17,6 +17,8 @@ package main
 import (
 	"os"
 
+	"k8s.io/client-go/rest"
+
 	"github.com/gardener/gardener-resource-manager/cmd/gardener-resource-manager/app"
 	"github.com/gardener/gardener-resource-manager/pkg/log"
 
@@ -25,6 +27,13 @@ import (
 )
 
 func main() {
+	rest.SetDefaultWarningHandler(
+		rest.NewWarningWriter(os.Stderr, rest.WarningWriterOptions{
+			// only print a given warning the first time we receive it
+			Deduplicate: true,
+		}),
+	)
+
 	runtimelog.SetLogger(log.ZapLogger(false))
 	ctx := signals.SetupSignalHandler()