Modify load test to not create too may services/endpoints

test/e2e/load.go

@@ -168,7 +168,11 @@ var _ = framework.KubeDescribe("Load capacity", func() {
 			configs, secretConfigs = generateConfigs(totalPods, itArg.image, itArg.command, namespaces, itArg.kind, itArg.secretsPerPod)
 			if itArg.services {
 				framework.Logf("Creating services")
-				services := generateServicesForConfigs(configs)
+				// If <totalPods> is large, we generate services only for every second
+				// config. Since those are sorted by the size, we will have both small,
+				// medium and large services, but only for half of pods.
+				onlyHalfServices := totalPods > 60000
+				services := generateServicesForConfigs(configs, onlyHalfServices)
 				for _, service := range services {
 					_, err := clientset.Core().Services(service.Namespace).Create(service)
 					framework.ExpectNoError(err)
@@ -418,9 +422,12 @@ func generateConfigsForGroup(
 	return configs, secretConfigs
 }
 
-func generateServicesForConfigs(configs []testutils.RunObjectConfig) []*v1.Service {
+func generateServicesForConfigs(configs []testutils.RunObjectConfig, onlyHalfServices bool) []*v1.Service {
 	services := make([]*v1.Service, 0, len(configs))
-	for _, config := range configs {
+	for i, config := range configs {
+		if onlyHalfServices && i%2 == 1 {
+			continue
+		}
 		serviceName := config.GetName() + "-svc"
 		labels := map[string]string{"name": config.GetName()}
 		service := &v1.Service{