Add e2e test for udn advertised pod to kapi service

Signed-off-by: Surya Seetharaman <[email protected]>

Author: tssurya

test/e2e/route_advertisements.go

@@ -716,7 +716,7 @@ var _ = ginkgo.DescribeTableSubtree("BGP: isolation between advertised networks"
 				// to targetAddress. If clientNamespace is empty the function assumes clientName is a node that will be used as the
 				// client.
 				var checkConnectivity = func(clientName, clientNamespace, targetAddress string) (string, error) {
-					curlCmd := []string{"curl", "-g", "-q", "-s", "--max-time", "5", targetAddress}
+					curlCmd := []string{"curl", "-g", "-q", "-s", "--max-time", "2", "--insecure", targetAddress}
 					var out string
 					var err error
 					if clientNamespace != "" {
@@ -846,6 +846,10 @@ var _ = ginkgo.DescribeTableSubtree("BGP: isolation between advertised networks"
 					}
 					return podsNetA[0].Name, podsNetA[0].Namespace, net.JoinHostPort(svcNetDefault.Spec.ClusterIPs[ipFamilyIndex], "8080") + "/clientip", out, err
 				}),
+			ginkgo.Entry("pod in the UDN should be able to access kapi in default network service",
+				func(ipFamilyIndex int) (clientName string, clientNamespace string, dst string, expectedOutput string, expectErr bool) {
+					return podsNetA[0].Name, podsNetA[0].Namespace, "https://kubernetes.default/healthz", "", false
+				}),
 			ginkgo.Entry("pod in the UDN should not be able to access a service in a different UDN",
 				func(ipFamilyIndex int) (clientName string, clientNamespace string, dst string, expectedOutput string, expectErr bool) {
 					return podsNetA[0].Name, podsNetA[0].Namespace, net.JoinHostPort(svcNetB.Spec.ClusterIPs[ipFamilyIndex], "8080") + "/clientip", curlConnectionTimeoutCode, true