From 4a7c522eb5a65a917655cc5b72a728bc1fb1287b Mon Sep 17 00:00:00 2001
From: Dario Tranchitella <dario@tranchitella.eu>
Date: Sat, 6 Mar 2021 12:27:35 +0100
Subject: [PATCH] bug: disabling ingresses.networking.k8s.io indexers on k8s <
 1.19

---
 pkg/indexer/add_ingress.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkg/indexer/add_ingress.go b/pkg/indexer/add_ingress.go
index c18c3f81..c4e37024 100644
--- a/pkg/indexer/add_ingress.go
+++ b/pkg/indexer/add_ingress.go
@@ -22,10 +22,17 @@ import (
 	networkingv1beta1 "k8s.io/api/networking/v1beta1"
 
 	"github.com/clastix/capsule/pkg/indexer/ingress"
+	"github.com/clastix/capsule/pkg/webhook/utils"
 )
 
 func init() {
 	AddToIndexerFuncs = append(AddToIndexerFuncs, ingress.Hostname{Obj: &extensionsv1beta1.Ingress{}})
-	AddToIndexerFuncs = append(AddToIndexerFuncs, ingress.Hostname{Obj: &networkingv1.Ingress{}})
+	// ingresses.networking.k8s.io/v1 introduced by 1.19
+	{
+		majorVer, minorVer, _, _ := utils.GetK8sVersion()
+		if majorVer == 1 && minorVer >= 19 {
+			AddToIndexerFuncs = append(AddToIndexerFuncs, ingress.Hostname{Obj: &networkingv1.Ingress{}})
+		}
+	}
 	AddToIndexerFuncs = append(AddToIndexerFuncs, ingress.Hostname{Obj: &networkingv1beta1.Ingress{}})
 }