bump coredns version and update manifest

build/dependencies.yaml

@@ -73,7 +73,7 @@ dependencies:
       match: k8s.gcr.io/coredns
 
   - name: "coredns-kubeadm"
-    version: 1.6.2
+    version: 1.6.5
     refPaths:
     - path: cmd/kubeadm/app/constants/constants.go
       match: CoreDNSVersion =

cmd/kubeadm/app/constants/constants.go

@@ -334,7 +334,7 @@ const (
 	KubeDNSVersion = "1.14.13"
 
 	// CoreDNSVersion is the version of CoreDNS to be deployed if it is used
-	CoreDNSVersion = "1.6.2"
+	CoreDNSVersion = "1.6.5"
 
 	// ClusterConfigurationKind is the string kind value for the ClusterConfiguration struct
 	ClusterConfigurationKind = "ClusterConfiguration"

cmd/kubeadm/app/phases/addons/dns/dns_test.go

@@ -632,7 +632,9 @@ func TestCreateCoreDNSConfigMap(t *testing.T) {
     }`,
 			expectedCorefileData: `.:53 {
     errors
-    health
+    health {
+        lameduck 5s
+    }
     kubernetes cluster.local in-addr.arpa ip6.arpa {
         pods insecure
         fallthrough in-addr.arpa ip6.arpa
@@ -669,7 +671,9 @@ func TestCreateCoreDNSConfigMap(t *testing.T) {
     }`,
 			expectedCorefileData: `.:53 {
     errors
-    health
+    health {
+        lameduck 5s
+    }
     kubernetes cluster.local in-addr.arpa ip6.arpa {
         pods insecure
         fallthrough in-addr.arpa ip6.arpa

cmd/kubeadm/app/phases/addons/dns/manifests.go

@@ -313,7 +313,9 @@ data:
   Corefile: |
     .:53 {
         errors
-        health
+        health {
+           lameduck 5s
+        }
         ready
         kubernetes {{ .DNSDomain }} in-addr.arpa ip6.arpa {
            pods insecure