ingress: Add CRUD tests for Ingress API verbs

Signed-off-by: Christopher M. Luciano <[email protected]>

Author: Christopher M. Luciano

test/e2e/network/ingress.go

@@ -28,12 +28,16 @@ import (
 	compute "google.golang.org/api/compute/v1"
 
 	v1 "k8s.io/api/core/v1"
+	networkingv1beta1 "k8s.io/api/networking/v1beta1"
 	rbacv1 "k8s.io/api/rbac/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime/schema"
+	types "k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/util/intstr"
 	"k8s.io/apimachinery/pkg/util/uuid"
 	"k8s.io/apimachinery/pkg/util/wait"
+	"k8s.io/apimachinery/pkg/watch"
 	"k8s.io/apiserver/pkg/authentication/serviceaccount"
 	"k8s.io/kubernetes/test/e2e/framework"
 	e2eauth "k8s.io/kubernetes/test/e2e/framework/auth"
@@ -935,3 +939,213 @@ func detectNegAnnotation(f *framework.Framework, jig *e2eingress.TestJig, gceCon
 		framework.ExpectNoError(err)
 	}
 }
+
+var _ = SIGDescribe("Ingress API", func() {
+	f := framework.NewDefaultFramework("ingress")
+	/*
+		Release: v1.19
+		Testname: Ingress API
+		Description:
+		The networking.k8s.io API group MUST exist in the /apis discovery document.
+		The networking.k8s.io/v1beta1 API group/version MUST exist in the /apis/networking.k8s.io discovery document.
+		The ingresses resources MUST exist in the /apis/networking.k8s.io/v1beta1 discovery document.
+		The ingresses resource must support create, get, list, watch, update, patch, delete, and deletecollection.
+		The ingresses/status resource must support update and patch
+
+	*/
+
+	ginkgo.It("should support creating Ingress API operations", func() {
+		// Setup
+		ns := f.Namespace.Name
+		ingVersion := "v1beta1"
+		ingClient := f.ClientSet.NetworkingV1beta1().Ingresses(ns)
+
+		prefixPathType := networkingv1beta1.PathTypePrefix
+
+		ingTemplate := &networkingv1beta1.Ingress{
+			ObjectMeta: metav1.ObjectMeta{GenerateName: "e2e-example-ing",
+				Labels: map[string]string{
+					"special-label": f.UniqueName,
+				}},
+			Spec: networkingv1beta1.IngressSpec{
+				Backend: &networkingv1beta1.IngressBackend{
+					ServiceName: "default-backend",
+					ServicePort: intstr.FromInt(8080),
+				},
+				Rules: []networkingv1beta1.IngressRule{
+					{
+						Host: "foo.bar.com",
+						IngressRuleValue: networkingv1beta1.IngressRuleValue{
+							HTTP: &networkingv1beta1.HTTPIngressRuleValue{
+								Paths: []networkingv1beta1.HTTPIngressPath{{
+									Path:     "/",
+									PathType: &prefixPathType,
+									Backend: networkingv1beta1.IngressBackend{
+										ServiceName: "test-backend",
+										ServicePort: intstr.FromInt(8080),
+									},
+								}},
+							},
+						},
+					},
+				},
+			},
+			Status: networkingv1beta1.IngressStatus{LoadBalancer: v1.LoadBalancerStatus{}},
+		}
+		// Discovery
+		ginkgo.By("getting /apis")
+		{
+			discoveryGroups, err := f.ClientSet.Discovery().ServerGroups()
+			framework.ExpectNoError(err)
+			found := false
+			for _, group := range discoveryGroups.Groups {
+				if group.Name == networkingv1beta1.GroupName {
+					for _, version := range group.Versions {
+						if version.Version == ingVersion {
+							found = true
+							break
+						}
+					}
+				}
+			}
+			framework.ExpectEqual(found, true, fmt.Sprintf("expected networking API group/version, got %#v", discoveryGroups.Groups))
+		}
+
+		ginkgo.By("getting /apis/networking.k8s.io")
+		{
+			group := &metav1.APIGroup{}
+			err := f.ClientSet.Discovery().RESTClient().Get().AbsPath("/apis/networking.k8s.io").Do(context.TODO()).Into(group)
+			framework.ExpectNoError(err)
+			found := false
+			for _, version := range group.Versions {
+				if version.Version == ingVersion {
+					found = true
+					break
+				}
+			}
+			framework.ExpectEqual(found, true, fmt.Sprintf("expected networking API version, got %#v", group.Versions))
+		}
+
+		ginkgo.By("getting /apis/networking.k8s.io" + ingVersion)
+		{
+			resources, err := f.ClientSet.Discovery().ServerResourcesForGroupVersion(networkingv1beta1.SchemeGroupVersion.String())
+			framework.ExpectNoError(err)
+			foundIngress := false
+			for _, resource := range resources.APIResources {
+				switch resource.Name {
+				case "ingresses":
+					foundIngress = true
+				}
+			}
+			framework.ExpectEqual(foundIngress, true, fmt.Sprintf("expected ingresses, got %#v", resources.APIResources))
+		}
+
+		// Ingress resource create/read/update/watch verbs
+		ginkgo.By("creating")
+		_, err := ingClient.Create(context.TODO(), ingTemplate, metav1.CreateOptions{})
+		framework.ExpectNoError(err)
+		_, err = ingClient.Create(context.TODO(), ingTemplate, metav1.CreateOptions{})
+		framework.ExpectNoError(err)
+		createdIngress, err := ingClient.Create(context.TODO(), ingTemplate, metav1.CreateOptions{})
+		framework.ExpectNoError(err)
+
+		ginkgo.By("getting")
+		gottenIngress, err := ingClient.Get(context.TODO(), createdIngress.Name, metav1.GetOptions{})
+		framework.ExpectNoError(err)
+		framework.ExpectEqual(gottenIngress.UID, createdIngress.UID)
+
+		ginkgo.By("listing")
+		ings, err := ingClient.List(context.TODO(), metav1.ListOptions{LabelSelector: "special-label=" + f.UniqueName})
+		framework.ExpectNoError(err)
+		framework.ExpectEqual(len(ings.Items), 3, "filtered list should have 3 items")
+
+		ginkgo.By("watching")
+		framework.Logf("starting watch")
+		ingWatch, err := ingClient.Watch(context.TODO(), metav1.ListOptions{ResourceVersion: ings.ResourceVersion, LabelSelector: "special-label=" + f.UniqueName})
+		framework.ExpectNoError(err)
+
+		// Test cluster-wide list and watch
+		clusterIngClient := f.ClientSet.NetworkingV1beta1().Ingresses("")
+		ginkgo.By("cluster-wide listing")
+		clusterIngs, err := clusterIngClient.List(context.TODO(), metav1.ListOptions{LabelSelector: "special-label=" + f.UniqueName})
+		framework.ExpectNoError(err)
+		framework.ExpectEqual(len(clusterIngs.Items), 3, "filtered list should have 3 items")
+
+		ginkgo.By("cluster-wide watching")
+		framework.Logf("starting watch")
+		_, err = clusterIngClient.Watch(context.TODO(), metav1.ListOptions{ResourceVersion: ings.ResourceVersion, LabelSelector: "special-label=" + f.UniqueName})
+		framework.ExpectNoError(err)
+
+		ginkgo.By("patching")
+		patchedIngress, err := ingClient.Patch(context.TODO(), createdIngress.Name, types.MergePatchType, []byte(`{"metadata":{"annotations":{"patched":"true"}}}`), metav1.PatchOptions{})
+		framework.ExpectNoError(err)
+		framework.ExpectEqual(patchedIngress.Annotations["patched"], "true", "patched object should have the applied annotation")
+
+		ginkgo.By("updating")
+		ingToUpdate := patchedIngress.DeepCopy()
+		ingToUpdate.Annotations["updated"] = "true"
+		updatedIngress, err := ingClient.Update(context.TODO(), ingToUpdate, metav1.UpdateOptions{})
+		framework.ExpectNoError(err)
+		framework.ExpectEqual(updatedIngress.Annotations["updated"], "true", "updated object should have the applied annotation")
+
+		framework.Logf("waiting for watch events with expected annotations")
+		for sawAnnotations := false; !sawAnnotations; {
+			select {
+			case evt, ok := <-ingWatch.ResultChan():
+				framework.ExpectEqual(ok, true, "watch channel should not close")
+				framework.ExpectEqual(evt.Type, watch.Modified)
+				watchedIngress, isIngress := evt.Object.(*networkingv1beta1.Ingress)
+				framework.ExpectEqual(isIngress, true, fmt.Sprintf("expected Ingress, got %T", evt.Object))
+				if watchedIngress.Annotations["patched"] == "true" {
+					framework.Logf("saw patched and updated annotations")
+					sawAnnotations = true
+					ingWatch.Stop()
+				} else {
+					framework.Logf("missing expected annotations, waiting: %#v", watchedIngress.Annotations)
+				}
+			case <-time.After(wait.ForeverTestTimeout):
+				framework.Fail("timed out waiting for watch event")
+			}
+		}
+
+		// /status subresource operations
+		ginkgo.By("patching /status")
+		lbStatus := v1.LoadBalancerStatus{
+			Ingress: []v1.LoadBalancerIngress{{IP: "169.1.1.1"}},
+		}
+		lbStatusJSON, err := json.Marshal(lbStatus)
+		framework.ExpectNoError(err)
+		patchedStatus, err := ingClient.Patch(context.TODO(), createdIngress.Name, types.MergePatchType,
+			[]byte(`{"metadata":{"annotations":{"patchedstatus":"true"}},"status":{"loadBalancer":`+string(lbStatusJSON)+`}}`),
+			metav1.PatchOptions{}, "status")
+		framework.ExpectNoError(err)
+		framework.ExpectEqual(patchedStatus.Status.LoadBalancer, lbStatus, "patched object should have the applied loadBalancer status")
+		framework.ExpectEqual(patchedStatus.Annotations["patchedstatus"], "true", "patched object should have the applied annotation")
+
+		ginkgo.By("updating /status")
+		statusToUpdate := patchedStatus.DeepCopy()
+		statusToUpdate.Status.LoadBalancer = v1.LoadBalancerStatus{
+			Ingress: []v1.LoadBalancerIngress{{IP: "169.1.1.2"}},
+		}
+		updatedStatus, err := ingClient.UpdateStatus(context.TODO(), statusToUpdate, metav1.UpdateOptions{})
+		framework.ExpectNoError(err)
+		framework.ExpectEqual(updatedStatus.Status.LoadBalancer, statusToUpdate.Status.LoadBalancer, fmt.Sprintf("updated object expected to have updated loadbalancer status %#v, got %#v", statusToUpdate.Status.LoadBalancer, updatedStatus.Status.LoadBalancer))
+
+		// Ingress resource delete operations
+		ginkgo.By("deleting")
+		err = ingClient.Delete(context.TODO(), createdIngress.Name, metav1.DeleteOptions{})
+		framework.ExpectNoError(err)
+		_, err = ingClient.Get(context.TODO(), createdIngress.Name, metav1.GetOptions{})
+		framework.ExpectEqual(apierrors.IsNotFound(err), true, fmt.Sprintf("expected 404, got %#v", err))
+		ings, err = ingClient.List(context.TODO(), metav1.ListOptions{LabelSelector: "special-label=" + f.UniqueName})
+		framework.ExpectNoError(err)
+		framework.ExpectEqual(len(ings.Items), 2, "filtered list should have 2 items")
+
+		ginkgo.By("deleting a collection")
+		err = ingClient.DeleteCollection(context.TODO(), metav1.DeleteOptions{}, metav1.ListOptions{LabelSelector: "special-label=" + f.UniqueName})
+		framework.ExpectNoError(err)
+		ings, err = ingClient.List(context.TODO(), metav1.ListOptions{LabelSelector: "special-label=" + f.UniqueName})
+		framework.ExpectNoError(err)
+		framework.ExpectEqual(len(ings.Items), 0, "filtered list should have 0 items")
+	})
+})