ingress: Add CRUD tests for Ingress API verbs

Signed-off-by: Christopher M. Luciano <cmluciano@us.ibm.com>
This commit is contained in:
Christopher M. Luciano 2020-05-29 15:50:07 -04:00
parent 875f31e988
commit 7351330255
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@ -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")
})
})