Merge pull request #100045 from swetharepakula/eps-ga-conformance

Add Endpoint Slice API Test
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Kubernetes Prow Robot 2021-03-10 00:35:43 -08:00 committed by GitHub
commit 4740173f33
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@ -26,10 +26,13 @@ import (
discoveryv1 "k8s.io/api/discovery/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
types "k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apimachinery/pkg/watch"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/util/retry"
"k8s.io/kubernetes/test/e2e/framework"
"k8s.io/kubernetes/test/e2e/network/common"
imageutils "k8s.io/kubernetes/test/utils/image"
@ -328,6 +331,169 @@ var _ = common.SIGDescribe("EndpointSlice", func() {
deleteEndpointSlices(cs, f.Namespace.Name, svc2)
expectEndpointsAndSlices(cs, f.Namespace.Name, svc2, []*v1.Pod{pod1, pod2}, 2, 2, true)
})
ginkgo.It("should support creating EndpointSlice API operations", func() {
// Setup
ns := f.Namespace.Name
epsVersion := "v1"
epsClient := f.ClientSet.DiscoveryV1().EndpointSlices(ns)
epsTemplate := &discoveryv1.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{GenerateName: "e2e-example-ing",
Labels: map[string]string{
"special-label": f.UniqueName,
}},
AddressType: discoveryv1.AddressTypeIPv4,
Endpoints: []discoveryv1.Endpoint{
{Addresses: []string{"1.2.3.4", "5.6.7.8"}},
{Addresses: []string{"2.2.3.4", "6.6.7.8"}},
},
}
// Discovery
ginkgo.By("getting /apis")
{
discoveryGroups, err := f.ClientSet.Discovery().ServerGroups()
framework.ExpectNoError(err)
found := false
for _, group := range discoveryGroups.Groups {
if group.Name == discoveryv1.GroupName {
for _, version := range group.Versions {
if version.Version == epsVersion {
found = true
break
}
}
}
}
framework.ExpectEqual(found, true, fmt.Sprintf("expected discovery API group/version, got %#v", discoveryGroups.Groups))
}
ginkgo.By("getting /apis/discovery.k8s.io")
{
group := &metav1.APIGroup{}
err := f.ClientSet.Discovery().RESTClient().Get().AbsPath("/apis/discovery.k8s.io").Do(context.TODO()).Into(group)
framework.ExpectNoError(err)
found := false
for _, version := range group.Versions {
if version.Version == epsVersion {
found = true
break
}
}
framework.ExpectEqual(found, true, fmt.Sprintf("expected discovery API version, got %#v", group.Versions))
}
ginkgo.By("getting /apis/discovery.k8s.io" + epsVersion)
{
resources, err := f.ClientSet.Discovery().ServerResourcesForGroupVersion(discoveryv1.SchemeGroupVersion.String())
framework.ExpectNoError(err)
foundEPS := false
for _, resource := range resources.APIResources {
switch resource.Name {
case "endpointslices":
foundEPS = true
}
}
framework.ExpectEqual(foundEPS, true, fmt.Sprintf("expected endpointslices, got %#v", resources.APIResources))
}
// EndpointSlice resource create/read/update/watch verbs
ginkgo.By("creating")
_, err := epsClient.Create(context.TODO(), epsTemplate, metav1.CreateOptions{})
framework.ExpectNoError(err)
_, err = epsClient.Create(context.TODO(), epsTemplate, metav1.CreateOptions{})
framework.ExpectNoError(err)
createdEPS, err := epsClient.Create(context.TODO(), epsTemplate, metav1.CreateOptions{})
framework.ExpectNoError(err)
ginkgo.By("getting")
queriedEPS, err := epsClient.Get(context.TODO(), createdEPS.Name, metav1.GetOptions{})
framework.ExpectNoError(err)
framework.ExpectEqual(queriedEPS.UID, createdEPS.UID)
ginkgo.By("listing")
epsList, err := epsClient.List(context.TODO(), metav1.ListOptions{LabelSelector: "special-label=" + f.UniqueName})
framework.ExpectNoError(err)
framework.ExpectEqual(len(epsList.Items), 3, "filtered list should have 3 items")
ginkgo.By("watching")
framework.Logf("starting watch")
epsWatch, err := epsClient.Watch(context.TODO(), metav1.ListOptions{ResourceVersion: epsList.ResourceVersion, LabelSelector: "special-label=" + f.UniqueName})
framework.ExpectNoError(err)
// Test cluster-wide list and watch
clusterEPSClient := f.ClientSet.DiscoveryV1().EndpointSlices("")
ginkgo.By("cluster-wide listing")
clusterEPSList, err := clusterEPSClient.List(context.TODO(), metav1.ListOptions{LabelSelector: "special-label=" + f.UniqueName})
framework.ExpectNoError(err)
framework.ExpectEqual(len(clusterEPSList.Items), 3, "filtered list should have 3 items")
ginkgo.By("cluster-wide watching")
framework.Logf("starting watch")
_, err = clusterEPSClient.Watch(context.TODO(), metav1.ListOptions{ResourceVersion: epsList.ResourceVersion, LabelSelector: "special-label=" + f.UniqueName})
framework.ExpectNoError(err)
ginkgo.By("patching")
patchedEPS, err := epsClient.Patch(context.TODO(), createdEPS.Name, types.MergePatchType, []byte(`{"metadata":{"annotations":{"patched":"true"}}}`), metav1.PatchOptions{})
framework.ExpectNoError(err)
framework.ExpectEqual(patchedEPS.Annotations["patched"], "true", "patched object should have the applied annotation")
ginkgo.By("updating")
var epsToUpdate, updatedEPS *discoveryv1.EndpointSlice
err = retry.RetryOnConflict(retry.DefaultRetry, func() error {
epsToUpdate, err = epsClient.Get(context.TODO(), createdEPS.Name, metav1.GetOptions{})
if err != nil {
return err
}
epsToUpdate.Annotations["updated"] = "true"
updatedEPS, err = epsClient.Update(context.TODO(), epsToUpdate, metav1.UpdateOptions{})
return err
})
framework.ExpectNoError(err)
framework.ExpectEqual(updatedEPS.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 := <-epsWatch.ResultChan():
framework.ExpectEqual(ok, true, "watch channel should not close")
framework.ExpectEqual(evt.Type, watch.Modified)
watchedEPS, isEPS := evt.Object.(*discoveryv1.EndpointSlice)
framework.ExpectEqual(isEPS, true, fmt.Sprintf("expected EndpointSlice, got %T", evt.Object))
if watchedEPS.Annotations["patched"] == "true" {
framework.Logf("saw patched and updated annotations")
sawAnnotations = true
epsWatch.Stop()
} else {
framework.Logf("missing expected annotations, waiting: %#v", watchedEPS.Annotations)
}
case <-time.After(wait.ForeverTestTimeout):
framework.Fail("timed out waiting for watch event")
}
}
ginkgo.By("deleting")
err = epsClient.Delete(context.TODO(), createdEPS.Name, metav1.DeleteOptions{})
framework.ExpectNoError(err)
_, err = epsClient.Get(context.TODO(), createdEPS.Name, metav1.GetOptions{})
framework.ExpectEqual(apierrors.IsNotFound(err), true, fmt.Sprintf("expected 404, got %v", err))
epsList, err = epsClient.List(context.TODO(), metav1.ListOptions{LabelSelector: "special-label=" + f.UniqueName})
framework.ExpectNoError(err)
framework.ExpectEqual(len(epsList.Items), 2, "filtered list should have 2 items")
for _, eps := range epsList.Items {
if eps.Namespace == createdEPS.Namespace && eps.Name == createdEPS.Name {
framework.Fail("listing after deleting createdEPS")
}
}
ginkgo.By("deleting a collection")
err = epsClient.DeleteCollection(context.TODO(), metav1.DeleteOptions{}, metav1.ListOptions{LabelSelector: "special-label=" + f.UniqueName})
framework.ExpectNoError(err)
epsList, err = epsClient.List(context.TODO(), metav1.ListOptions{LabelSelector: "special-label=" + f.UniqueName})
framework.ExpectNoError(err)
framework.ExpectEqual(len(epsList.Items), 0, "filtered list should have 0 items")
})
})
// expectEndpointsAndSlices verifies that Endpoints and EndpointSlices exist for