update coredns version to 1.7.0

Author: rajansandeep

build/dependencies.yaml

@@ -22,7 +22,7 @@ dependencies:
       match: k8s.gcr.io/coredns
 
   - name: "coredns-kubeadm"
-    version: 1.6.7
+    version: 1.7.0
     refPaths:
     - path: cmd/kubeadm/app/constants/constants.go
       match: CoreDNSVersion =

cmd/kubeadm/app/constants/constants.go

@@ -329,7 +329,7 @@ const (
 	KubeDNSVersion = "1.14.13"
 
 	// CoreDNSVersion is the version of CoreDNS to be deployed if it is used
-	CoreDNSVersion = "1.6.7"
+	CoreDNSVersion = "1.7.0"
 
 	// ClusterConfigurationKind is the string kind value for the ClusterConfiguration struct
 	ClusterConfigurationKind = "ClusterConfiguration"

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

@@ -585,7 +585,9 @@ func TestCreateCoreDNSConfigMap(t *testing.T) {
         ttl 30
     }
     prometheus :9153
-    forward . /etc/resolv.conf
+    forward . /etc/resolv.conf {
+        max_concurrent 1000
+    }
     cache 30
     loop
     reload
@@ -623,7 +625,9 @@ func TestCreateCoreDNSConfigMap(t *testing.T) {
         fallthrough in-addr.arpa ip6.arpa
     }
     prometheus :9153
-    forward . /etc/resolv.conf
+    forward . /etc/resolv.conf {
+        max_concurrent 1000
+    }
     k8s_external example.com
     cache 30
     loop

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

@@ -320,7 +320,9 @@ data:
            ttl 30
         }
         prometheus :9153
-        forward . {{ .UpstreamNameserver }}
+        forward . {{ .UpstreamNameserver }} {
+           max_concurrent 1000
+        }
         cache 30
         loop
         reload