From f9dd597f4e8c8c66f08d661efcbd29479e4e069d Mon Sep 17 00:00:00 2001
From: Gleb Aronsky <gleb.aronsky@windriver.com>
Date: Tue, 25 Jan 2022 13:56:30 -0500
Subject: [PATCH] Revert "use subpath for coredns only for default  repository"

This reverts commit 38a41e1557649a7cc763bf737779db9aa03ec75e.

Co-authored-by: Jim Gauld <james.gauld@windriver.com>
Signed-off-by: Gleb Aronsky <gleb.aronsky@windriver.com>

diff --git a/cmd/kubeadm/app/constants/constants.go b/cmd/kubeadm/app/constants/constants.go
index c2b8f6e64be..b00ccea315e 100644
--- a/cmd/kubeadm/app/constants/constants.go
+++ b/cmd/kubeadm/app/constants/constants.go
@@ -337,7 +337,7 @@ const (
 	CoreDNSDeploymentName = "coredns"
 
 	// CoreDNSImageName specifies the name of the image for CoreDNS add-on
-	CoreDNSImageName = "coredns"
+	CoreDNSImageName = "coredns/coredns"
 
 	// CoreDNSVersion is the version of CoreDNS to be deployed if it is used
 	CoreDNSVersion = "v1.8.6"
diff --git a/cmd/kubeadm/app/images/images.go b/cmd/kubeadm/app/images/images.go
index ee55eb6c995..bdb61caa373 100644
--- a/cmd/kubeadm/app/images/images.go
+++ b/cmd/kubeadm/app/images/images.go
@@ -22,7 +22,6 @@ import (
 	"k8s.io/klog/v2"
 
 	kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
-	kubeadmapiv1beta2 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta2"
 	"k8s.io/kubernetes/cmd/kubeadm/app/constants"
 	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
 )
@@ -48,10 +47,6 @@ func GetDNSImage(cfg *kubeadmapi.ClusterConfiguration) string {
 	if cfg.DNS.ImageRepository != "" {
 		dnsImageRepository = cfg.DNS.ImageRepository
 	}
-	// Handle the renaming of the official image from "k8s.gcr.io/coredns" to "k8s.gcr.io/coredns/coredns
-	if dnsImageRepository == kubeadmapiv1beta2.DefaultImageRepository {
-		dnsImageRepository = fmt.Sprintf("%s/coredns", dnsImageRepository)
-	}
 	// DNS uses an imageTag that corresponds to the DNS version matching the Kubernetes version
 	dnsImageTag := constants.CoreDNSVersion
 
diff --git a/cmd/kubeadm/app/images/images_test.go b/cmd/kubeadm/app/images/images_test.go
index 2b8affce236..91cd4294351 100644
--- a/cmd/kubeadm/app/images/images_test.go
+++ b/cmd/kubeadm/app/images/images_test.go
@@ -22,7 +22,6 @@ import (
 	"testing"
 
 	kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
-	kubeadmapiv1beta2 "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta2"
 	"k8s.io/kubernetes/cmd/kubeadm/app/constants"
 )
 
@@ -227,51 +226,4 @@ func TestGetAllImages(t *testing.T) {
 	}
 }
 
-func TestGetDNSImage(t *testing.T) {
-	var tests = []struct {
-		expected string
-		cfg      *kubeadmapi.ClusterConfiguration
-	}{
-		{
-			expected: "foo.io/coredns:v1.8.6",
-			cfg: &kubeadmapi.ClusterConfiguration{
-				ImageRepository: "foo.io",
-				DNS: kubeadmapi.DNS{
-					Type: kubeadmapi.CoreDNS,
-				},
-			},
-		},
-		{
-			expected: kubeadmapiv1beta2.DefaultImageRepository + "/coredns/coredns:v1.8.6",
-			cfg: &kubeadmapi.ClusterConfiguration{
-				ImageRepository: kubeadmapiv1beta2.DefaultImageRepository,
-				DNS: kubeadmapi.DNS{
-					Type: kubeadmapi.CoreDNS,
-				},
-			},
-		},
-		{
-			expected: "foo.io/coredns/coredns:v1.8.6",
-			cfg: &kubeadmapi.ClusterConfiguration{
-				ImageRepository: "foo.io",
-				DNS: kubeadmapi.DNS{
-					Type: kubeadmapi.CoreDNS,
-					ImageMeta: kubeadmapi.ImageMeta{
-						ImageRepository: "foo.io/coredns",
-					},
-				},
-			},
-		},
-	}
-
-	for _, test := range tests {
-		actual := GetDNSImage(test.cfg)
-		if actual != test.expected {
-			t.Errorf(
-				"failed to GetDNSImage:\n\texpected: %s\n\t actual: %s",
-				test.expected,
-				actual,
-			)
-		}
-	}
 }
-- 
2.25.1