Merge pull request #78305 from rajansandeep/addreadyplugintotests

Add ready plugin in CoreDNS corefile for DNS tests

test/e2e/network/dns_configmap.go

@@ -67,6 +67,7 @@ func (t *dnsFederationsConfigMapTest) run() {
 		valid1 := map[string]string{
 			"Corefile": fmt.Sprintf(`.:53 {
         health
+        ready
         kubernetes %v in-addr.arpa ip6.arpa {
             pods insecure
             upstream
@@ -83,6 +84,7 @@ func (t *dnsFederationsConfigMapTest) run() {
 		valid2 := map[string]string{
 			"Corefile": fmt.Sprintf(`:53 {
         health
+        ready
         kubernetes %v in-addr.arpa ip6.arpa {
             pods insecure
             upstream
@@ -233,6 +235,7 @@ func (t *dnsNameserverTest) run(isIPv6 bool) {
 		t.setConfigMap(&v1.ConfigMap{Data: map[string]string{
 			"Corefile": fmt.Sprintf(`.:53 {
         health
+        ready
         kubernetes %v in-addr.arpa ip6.arpa {
            pods insecure
            upstream
@@ -332,6 +335,7 @@ func (t *dnsPtrFwdTest) run(isIPv6 bool) {
 		t.setConfigMap(&v1.ConfigMap{Data: map[string]string{
 			"Corefile": fmt.Sprintf(`.:53 {
         health
+        ready
         kubernetes %v in-addr.arpa ip6.arpa {
            pods insecure
            upstream
@@ -443,6 +447,7 @@ func (t *dnsExternalNameTest) run(isIPv6 bool) {
 		t.setConfigMap(&v1.ConfigMap{Data: map[string]string{
 			"Corefile": fmt.Sprintf(`.:53 {
         health
+        ready
         kubernetes %v in-addr.arpa ip6.arpa {
            pods insecure
            upstream