build(e2e): Remove Kind DNS resolver override

This is no longer necessary to run E2E tests

Author: thunderboltsid

hack/kind/dns-override.yaml

@@ -11,22 +11,16 @@ import (
 	"encoding/base64"
 	"encoding/gob"
 	"flag"
-	"fmt"
 	"os"
 	"path/filepath"
 	"slices"
 	"strings"
 	"testing"
-	"time"
 
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
-	corev1 "k8s.io/api/core/v1"
 	storagev1 "k8s.io/api/storage/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/apimachinery/pkg/types"
-	"k8s.io/apimachinery/pkg/util/yaml"
 	"k8s.io/klog/v2"
 	capie2e "sigs.k8s.io/cluster-api/test/e2e"
 	capie2eframework "sigs.k8s.io/cluster-api/test/framework"
@@ -116,39 +110,6 @@ var _ = SynchronizedBeforeSuite(func() []byte {
 		useExistingCluster,
 	)
 
-	By("Overriding coreDNS resolver")
-	// override coredns resolver to 8.8.8.8 and restart coredns deployment
-	// read the dns-override.yaml file
-	filePath, _ := filepath.Abs("../../hack/kind/dns-override.yaml")
-	yamlFile, err := os.ReadFile(filePath)
-	Expect(err).To(BeNil(), "Failed to read the dns-override.yaml file")
-
-	// decode the yaml file into a Kubernetes object
-	decode := yaml.NewYAMLOrJSONDecoder(bytes.NewReader(yamlFile), 4096)
-	configMap := &corev1.ConfigMap{}
-	err = decode.Decode(&configMap)
-	Expect(err).To(BeNil(), "Failed to decode the yaml file into a Kubernetes object")
-
-	_, err = bootstrapClusterProxy.GetClientSet().
-		CoreV1().
-		ConfigMaps(configMap.GetNamespace()).
-		Update(context.Background(), configMap, metav1.UpdateOptions{})
-	Expect(
-		err,
-	).To(BeNil(), "Failed to update the coredns deployment with the dns-override.yaml file")
-
-	timeNow := time.Now().Format(time.RFC3339)
-	patch := fmt.Sprintf(
-		`{"spec":{"template":{"metadata":{"annotations":{"kubectl.kubernetes.io/restartedAt":%q}}}}}`,
-		timeNow,
-	)
-
-	_, err = bootstrapClusterProxy.GetClientSet().
-		AppsV1().
-		Deployments("kube-system").
-		Patch(context.Background(), "coredns", types.StrategicMergePatchType, []byte(patch), metav1.PatchOptions{})
-	Expect(err).To(BeNil(), "Failed to restart the coredns deployment")
-
 	By("Initializing the bootstrap cluster")
 	initBootstrapCluster(bootstrapClusterProxy, e2eConfig, clusterctlConfigPath, artifactFolder)