svc:    makeValidService(),
			patch:  setTypeExternalName,
			expect: makeValidServiceCustom(setTypeExternalName, clearClusterIPs, clearIPFamilies, clearIPFamilyPolicy),
		}, {
			name:   "don't clear changed clusterIP",
			svc:    makeValidService(),
			patch:  patches(setTypeExternalName, changeClusterIPs),
			expect: makeValidServiceCustom(setTypeExternalName, changeClusterIPs, clearIPFamilies, clearIPFamilyPolicy),
		}, {

	svc.Spec.ExternalName = ""
	internalTrafficPolicy := api.ServiceInternalTrafficPolicyCluster
	svc.Spec.InternalTrafficPolicy = &internalTrafficPolicy
}

// SetTypeExternalName sets the service type to ExternalName and clears other fields.
func SetTypeExternalName(svc *api.Service) {
	svc.Spec.Type = api.ServiceTypeExternalName
	svc.Spec.ExternalName = "example.com"
	svc.Spec.ExternalTrafficPolicy = ""
	svc.Spec.ClusterIP = ""

		create: svcTestCase{
			svc: svctest.MakeService("foo", svctest.SetTypeExternalName),
		},
		update: svcTestCase{
			svc: svctest.MakeService("foo", svctest.SetTypeExternalName, svctest.SetExternalName("updated.example.com")),
		},
	}, {
		name: "valid-blank",
		create: svcTestCase{
			svc: svctest.MakeService("foo", svctest.SetTypeExternalName),
		},
		update: svcTestCase{