mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-26 21:17:23 +00:00
Merge pull request #90155 from robscott/endpointslice-test
Improving EndpointSlice tests
This commit is contained in:
Kubernetes Prow Robot
GitHub
commit
07e916b05a
@ -34,154 +34,270 @@ import (
|
||||
"github.com/onsi/ginkgo"
|
||||
)
|
||||
|
||||
var _ = SIGDescribe("EndpointSlice [Feature:EndpointSlice]", func() {
|
||||
version := "v1"
|
||||
ginkgo.Context("version "+version, func() {
|
||||
f := framework.NewDefaultFramework("endpointslice")
|
||||
var _ = SIGDescribe("EndpointSlice", func() {
|
||||
f := framework.NewDefaultFramework("endpointslice")
|
||||
|
||||
var cs clientset.Interface
|
||||
var podClient *framework.PodClient
|
||||
var cs clientset.Interface
|
||||
var podClient *framework.PodClient
|
||||
|
||||
ginkgo.BeforeEach(func() {
|
||||
cs = f.ClientSet
|
||||
podClient = f.PodClient()
|
||||
ginkgo.BeforeEach(func() {
|
||||
cs = f.ClientSet
|
||||
podClient = f.PodClient()
|
||||
})
|
||||
|
||||
ginkgo.It("should have Endpoints and EndpointSlices pointing to API Server", func() {
|
||||
namespace := "default"
|
||||
name := "kubernetes"
|
||||
endpoints, err := cs.CoreV1().Endpoints(namespace).Get(context.TODO(), name, metav1.GetOptions{})
|
||||
framework.ExpectNoError(err)
|
||||
if len(endpoints.Subsets) != 1 {
|
||||
framework.Failf("Expected 1 subset in endpoints, got %d: %#v", len(endpoints.Subsets), endpoints.Subsets)
|
||||
}
|
||||
|
||||
endpointSubset := endpoints.Subsets[0]
|
||||
endpointSlice, err := cs.DiscoveryV1beta1().EndpointSlices(namespace).Get(context.TODO(), name, metav1.GetOptions{})
|
||||
framework.ExpectNoError(err)
|
||||
if len(endpointSlice.Ports) != len(endpointSubset.Ports) {
|
||||
framework.Failf("Expected EndpointSlice to have %d ports, got %d: %#v", len(endpointSubset.Ports), len(endpointSlice.Ports), endpointSlice.Ports)
|
||||
}
|
||||
numExpectedEndpoints := len(endpointSubset.Addresses) + len(endpointSubset.NotReadyAddresses)
|
||||
if len(endpointSlice.Endpoints) != numExpectedEndpoints {
|
||||
framework.Failf("Expected EndpointSlice to have %d endpoints, got %d: %#v", numExpectedEndpoints, len(endpointSlice.Endpoints), endpointSlice.Endpoints)
|
||||
}
|
||||
|
||||
})
|
||||
|
||||
ginkgo.It("should create and delete Endpoints and EndpointSlices for a Service with a selector specified", func() {
|
||||
svc := createServiceReportErr(cs, f.Namespace.Name, &v1.Service{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "example-empty-selector",
|
||||
},
|
||||
Spec: v1.ServiceSpec{
|
||||
Selector: map[string]string{
|
||||
"does-not-match-anything": "endpoints-and-endpoint-slices-should-still-be-created",
|
||||
},
|
||||
Ports: []v1.ServicePort{{
|
||||
Name: "example",
|
||||
Port: 80,
|
||||
Protocol: v1.ProtocolTCP,
|
||||
}},
|
||||
},
|
||||
})
|
||||
|
||||
// Expect Endpoints resource to be created.
|
||||
if err := wait.PollImmediate(2*time.Second, 12*time.Second, func() (bool, error) {
|
||||
_, err := cs.CoreV1().Endpoints(svc.Namespace).Get(context.TODO(), svc.Name, metav1.GetOptions{})
|
||||
if err != nil {
|
||||
return false, nil
|
||||
}
|
||||
return true, nil
|
||||
}); err != nil {
|
||||
framework.Failf("No Endpoints found for Service %s/%s: %s", svc.Namespace, svc.Name, err)
|
||||
}
|
||||
|
||||
// Expect EndpointSlice resource to be created.
|
||||
var endpointSlice discoveryv1beta1.EndpointSlice
|
||||
if err := wait.PollImmediate(2*time.Second, 12*time.Second, func() (bool, error) {
|
||||
endpointSliceList, err := cs.DiscoveryV1beta1().EndpointSlices(svc.Namespace).List(context.TODO(), metav1.ListOptions{
|
||||
LabelSelector: "kubernetes.io/service-name=" + svc.Name,
|
||||
})
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
if len(endpointSliceList.Items) == 0 {
|
||||
return false, nil
|
||||
}
|
||||
endpointSlice = endpointSliceList.Items[0]
|
||||
return true, nil
|
||||
}); err != nil {
|
||||
framework.Failf("No EndpointSlice found for Service %s/%s: %s", svc.Namespace, svc.Name, err)
|
||||
}
|
||||
|
||||
// Ensure EndpointSlice has expected values.
|
||||
managedBy, ok := endpointSlice.Labels[discoveryv1beta1.LabelManagedBy]
|
||||
expectedManagedBy := "endpointslice-controller.k8s.io"
|
||||
if !ok {
|
||||
framework.Failf("Expected EndpointSlice to have %s label, got %#v", discoveryv1beta1.LabelManagedBy, endpointSlice.Labels)
|
||||
} else if managedBy != expectedManagedBy {
|
||||
framework.Failf("Expected EndpointSlice to have %s label with %s value, got %s", discoveryv1beta1.LabelManagedBy, expectedManagedBy, managedBy)
|
||||
}
|
||||
if len(endpointSlice.Endpoints) != 0 {
|
||||
framework.Failf("Expected EndpointSlice to have 0 endpoints, got %d: %#v", len(endpointSlice.Endpoints), endpointSlice.Endpoints)
|
||||
}
|
||||
|
||||
err := cs.CoreV1().Services(svc.Namespace).Delete(context.TODO(), svc.Name, metav1.DeleteOptions{})
|
||||
framework.ExpectNoError(err)
|
||||
|
||||
// Expect Endpoints resource to be deleted when Service is.
|
||||
if err := wait.PollImmediate(2*time.Second, 12*time.Second, func() (bool, error) {
|
||||
_, err := cs.CoreV1().Endpoints(svc.Namespace).Get(context.TODO(), svc.Name, metav1.GetOptions{})
|
||||
if err != nil {
|
||||
if apierrors.IsNotFound(err) {
|
||||
return true, nil
|
||||
}
|
||||
return false, err
|
||||
}
|
||||
return false, nil
|
||||
}); err != nil {
|
||||
framework.Failf("Endpoints resource not deleted after Service %s/%s was deleted: %s", svc.Namespace, svc.Name, err)
|
||||
}
|
||||
|
||||
// Expect EndpointSlice resource to be deleted when Service is.
|
||||
if err := wait.PollImmediate(2*time.Second, 12*time.Second, func() (bool, error) {
|
||||
endpointSliceList, err := cs.DiscoveryV1beta1().EndpointSlices(svc.Namespace).List(context.TODO(), metav1.ListOptions{
|
||||
LabelSelector: "kubernetes.io/service-name=" + svc.Name,
|
||||
})
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
if len(endpointSliceList.Items) == 0 {
|
||||
return true, nil
|
||||
}
|
||||
return false, nil
|
||||
}); err != nil {
|
||||
framework.Failf("EndpointSlice resource not deleted after Service %s/%s was deleted: %s", svc.Namespace, svc.Name, err)
|
||||
}
|
||||
})
|
||||
|
||||
ginkgo.It("should create Endpoints and EndpointSlices for Pods matching a Service", func() {
|
||||
labelPod1 := "pod1"
|
||||
labelPod2 := "pod2"
|
||||
labelPod3 := "pod3"
|
||||
labelShared12 := "shared12"
|
||||
labelValue := "on"
|
||||
|
||||
ginkgo.It("should create Endpoints and EndpointSlices for Pods matching a Service", func() {
|
||||
pod1 := podClient.Create(&v1.Pod{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "pod1",
|
||||
Labels: map[string]string{
|
||||
labelPod1: labelValue,
|
||||
labelShared12: labelValue,
|
||||
pod1 := podClient.Create(&v1.Pod{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "pod1",
|
||||
Labels: map[string]string{
|
||||
labelPod1: labelValue,
|
||||
labelShared12: labelValue,
|
||||
},
|
||||
},
|
||||
Spec: v1.PodSpec{
|
||||
Containers: []v1.Container{
|
||||
{
|
||||
Name: "container1",
|
||||
Image: imageutils.GetE2EImage(imageutils.Nginx),
|
||||
Ports: []v1.ContainerPort{{
|
||||
Name: "example-name",
|
||||
ContainerPort: int32(3000),
|
||||
}},
|
||||
},
|
||||
},
|
||||
Spec: v1.PodSpec{
|
||||
Containers: []v1.Container{
|
||||
{
|
||||
Name: "container1",
|
||||
Image: imageutils.GetE2EImage(imageutils.Nginx),
|
||||
Ports: []v1.ContainerPort{{
|
||||
Name: "example-name",
|
||||
ContainerPort: int32(3000),
|
||||
}},
|
||||
},
|
||||
},
|
||||
},
|
||||
})
|
||||
|
||||
pod2 := podClient.Create(&v1.Pod{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "pod2",
|
||||
Labels: map[string]string{
|
||||
labelPod2: labelValue,
|
||||
labelShared12: labelValue,
|
||||
},
|
||||
},
|
||||
Spec: v1.PodSpec{
|
||||
Containers: []v1.Container{
|
||||
{
|
||||
Name: "container1",
|
||||
Image: imageutils.GetE2EImage(imageutils.Nginx),
|
||||
Ports: []v1.ContainerPort{{
|
||||
Name: "example-name",
|
||||
ContainerPort: int32(3001),
|
||||
}, {
|
||||
Name: "other-port",
|
||||
ContainerPort: int32(3002),
|
||||
}},
|
||||
},
|
||||
},
|
||||
},
|
||||
})
|
||||
|
||||
svc1 := createServiceReportErr(cs, f.Namespace.Name, &v1.Service{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "example-int-port",
|
||||
},
|
||||
Spec: v1.ServiceSpec{
|
||||
Selector: map[string]string{labelPod1: labelValue},
|
||||
Ports: []v1.ServicePort{{
|
||||
Name: "example",
|
||||
Port: 80,
|
||||
TargetPort: intstr.FromInt(3000),
|
||||
Protocol: v1.ProtocolTCP,
|
||||
}},
|
||||
},
|
||||
})
|
||||
|
||||
svc2 := createServiceReportErr(cs, f.Namespace.Name, &v1.Service{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "example-named-port",
|
||||
},
|
||||
Spec: v1.ServiceSpec{
|
||||
Selector: map[string]string{labelShared12: labelValue},
|
||||
Ports: []v1.ServicePort{{
|
||||
Name: "http",
|
||||
Port: 80,
|
||||
TargetPort: intstr.FromString("example-name"),
|
||||
Protocol: v1.ProtocolTCP,
|
||||
}},
|
||||
},
|
||||
})
|
||||
|
||||
svc3 := createServiceReportErr(cs, f.Namespace.Name, &v1.Service{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "example-no-match",
|
||||
},
|
||||
Spec: v1.ServiceSpec{
|
||||
Selector: map[string]string{labelPod3: labelValue},
|
||||
Ports: []v1.ServicePort{{
|
||||
Name: "example-no-match",
|
||||
Port: 80,
|
||||
TargetPort: intstr.FromInt(8080),
|
||||
Protocol: v1.ProtocolTCP,
|
||||
}},
|
||||
},
|
||||
})
|
||||
|
||||
err := wait.Poll(5*time.Second, 3*time.Minute, func() (bool, error) {
|
||||
if !podClient.PodIsReady(pod1.Name) {
|
||||
framework.Logf("Pod 1 not ready yet")
|
||||
return false, nil
|
||||
}
|
||||
|
||||
if !podClient.PodIsReady(pod2.Name) {
|
||||
framework.Logf("Pod 2 not ready yet")
|
||||
return false, nil
|
||||
}
|
||||
|
||||
var err error
|
||||
pod1, err = podClient.Get(context.TODO(), pod1.Name, metav1.GetOptions{})
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
|
||||
pod2, err = podClient.Get(context.TODO(), pod2.Name, metav1.GetOptions{})
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
|
||||
return true, nil
|
||||
})
|
||||
framework.ExpectNoError(err)
|
||||
|
||||
ginkgo.By("referencing a single matching pod")
|
||||
expectEndpointsAndSlices(cs, f.Namespace.Name, svc1, []*v1.Pod{pod1}, 1, 1, false)
|
||||
|
||||
ginkgo.By("referencing matching pods with named port")
|
||||
expectEndpointsAndSlices(cs, f.Namespace.Name, svc2, []*v1.Pod{pod1, pod2}, 2, 2, true)
|
||||
|
||||
ginkgo.By("creating empty endpoints and endpointslices for no matching pods")
|
||||
expectEndpointsAndSlices(cs, f.Namespace.Name, svc3, []*v1.Pod{}, 0, 1, false)
|
||||
|
||||
},
|
||||
})
|
||||
|
||||
pod2 := podClient.Create(&v1.Pod{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "pod2",
|
||||
Labels: map[string]string{
|
||||
labelPod2: labelValue,
|
||||
labelShared12: labelValue,
|
||||
},
|
||||
},
|
||||
Spec: v1.PodSpec{
|
||||
Containers: []v1.Container{
|
||||
{
|
||||
Name: "container1",
|
||||
Image: imageutils.GetE2EImage(imageutils.Nginx),
|
||||
Ports: []v1.ContainerPort{{
|
||||
Name: "example-name",
|
||||
ContainerPort: int32(3001),
|
||||
}, {
|
||||
Name: "other-port",
|
||||
ContainerPort: int32(3002),
|
||||
}},
|
||||
},
|
||||
},
|
||||
},
|
||||
})
|
||||
|
||||
svc1 := createServiceReportErr(cs, f.Namespace.Name, &v1.Service{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "example-int-port",
|
||||
},
|
||||
Spec: v1.ServiceSpec{
|
||||
Selector: map[string]string{labelPod1: labelValue},
|
||||
Ports: []v1.ServicePort{{
|
||||
Name: "example",
|
||||
Port: 80,
|
||||
TargetPort: intstr.FromInt(3000),
|
||||
Protocol: v1.ProtocolTCP,
|
||||
}},
|
||||
},
|
||||
})
|
||||
|
||||
svc2 := createServiceReportErr(cs, f.Namespace.Name, &v1.Service{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "example-named-port",
|
||||
},
|
||||
Spec: v1.ServiceSpec{
|
||||
Selector: map[string]string{labelShared12: labelValue},
|
||||
Ports: []v1.ServicePort{{
|
||||
Name: "http",
|
||||
Port: 80,
|
||||
TargetPort: intstr.FromString("example-name"),
|
||||
Protocol: v1.ProtocolTCP,
|
||||
}},
|
||||
},
|
||||
})
|
||||
|
||||
svc3 := createServiceReportErr(cs, f.Namespace.Name, &v1.Service{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "example-no-match",
|
||||
},
|
||||
Spec: v1.ServiceSpec{
|
||||
Selector: map[string]string{labelPod3: labelValue},
|
||||
Ports: []v1.ServicePort{{
|
||||
Name: "example-no-match",
|
||||
Port: 80,
|
||||
TargetPort: intstr.FromInt(8080),
|
||||
Protocol: v1.ProtocolTCP,
|
||||
}},
|
||||
},
|
||||
})
|
||||
|
||||
err := wait.Poll(5*time.Second, 3*time.Minute, func() (bool, error) {
|
||||
if !podClient.PodIsReady(pod1.Name) {
|
||||
framework.Logf("Pod 1 not ready yet")
|
||||
return false, nil
|
||||
}
|
||||
|
||||
if !podClient.PodIsReady(pod2.Name) {
|
||||
framework.Logf("Pod 2 not ready yet")
|
||||
return false, nil
|
||||
}
|
||||
|
||||
var err error
|
||||
pod1, err = podClient.Get(context.TODO(), pod1.Name, metav1.GetOptions{})
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
|
||||
pod2, err = podClient.Get(context.TODO(), pod2.Name, metav1.GetOptions{})
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
|
||||
return true, nil
|
||||
})
|
||||
framework.ExpectNoError(err)
|
||||
|
||||
ginkgo.By("referencing a single matching pod")
|
||||
expectEndpointsAndSlices(cs, f.Namespace.Name, svc1, []*v1.Pod{pod1}, 1, 1, false)
|
||||
|
||||
ginkgo.By("referencing matching pods with named port")
|
||||
expectEndpointsAndSlices(cs, f.Namespace.Name, svc2, []*v1.Pod{pod1, pod2}, 2, 2, true)
|
||||
|
||||
ginkgo.By("creating empty Endpoints and EndpointSlices for no matching Pods")
|
||||
expectEndpointsAndSlices(cs, f.Namespace.Name, svc3, []*v1.Pod{}, 0, 1, false)
|
||||
|
||||
// TODO: Update test to cover Endpoints recreation after deletes once it
|
||||
// actually works.
|
||||
ginkgo.By("recreating EndpointSlices after they've been deleted")
|
||||
deleteEndpointSlices(cs, f.Namespace.Name, svc2)
|
||||
expectEndpointsAndSlices(cs, f.Namespace.Name, svc2, []*v1.Pod{pod1, pod2}, 2, 2, true)
|
||||
})
|
||||
})
|
||||
|
||||
@ -193,27 +309,30 @@ var _ = SIGDescribe("EndpointSlice [Feature:EndpointSlice]", func() {
|
||||
// the only caller of this function.
|
||||
func expectEndpointsAndSlices(cs clientset.Interface, ns string, svc *v1.Service, pods []*v1.Pod, numSubsets, numSlices int, namedPort bool) {
|
||||
endpointSlices := []discoveryv1beta1.EndpointSlice{}
|
||||
endpoints := &v1.Endpoints{}
|
||||
|
||||
err := wait.Poll(5*time.Second, 1*time.Minute, func() (bool, error) {
|
||||
endpointSlicesFound, matchingSlices := hasMatchingEndpointSlices(cs, ns, svc.Name, len(pods), numSlices)
|
||||
if !matchingSlices {
|
||||
if err := wait.PollImmediate(5*time.Second, 2*time.Minute, func() (bool, error) {
|
||||
endpointSlicesFound, hasMatchingSlices := hasMatchingEndpointSlices(cs, ns, svc.Name, len(pods), numSlices)
|
||||
if !hasMatchingSlices {
|
||||
framework.Logf("Matching EndpointSlices not found")
|
||||
return false, nil
|
||||
}
|
||||
|
||||
endpointsFound, matchingEndpoints := hasMatchingEndpoints(cs, ns, svc.Name, len(pods), numSubsets)
|
||||
if !matchingEndpoints {
|
||||
framework.Logf("Matching EndpointSlices not found")
|
||||
return false, nil
|
||||
}
|
||||
|
||||
endpointSlices = endpointSlicesFound
|
||||
endpoints = endpointsFound
|
||||
|
||||
return true, nil
|
||||
})
|
||||
framework.ExpectNoError(err)
|
||||
}); err != nil {
|
||||
framework.Failf("Timed out waiting for matching EndpointSlices to exist: %v", err)
|
||||
}
|
||||
|
||||
endpoints := &v1.Endpoints{}
|
||||
if err := wait.Poll(5*time.Second, 2*time.Minute, func() (bool, error) {
|
||||
endpointsFound, hasMatchingEndpoints := hasMatchingEndpoints(cs, ns, svc.Name, len(pods), numSubsets)
|
||||
if !hasMatchingEndpoints {
|
||||
framework.Logf("Matching Endpoints not found")
|
||||
return false, nil
|
||||
}
|
||||
endpoints = endpointsFound
|
||||
return true, nil
|
||||
}); err != nil {
|
||||
framework.Failf("Timed out waiting for matching Endpoints to exist: %v", err)
|
||||
}
|
||||
|
||||
podsByIP := map[string]*v1.Pod{}
|
||||
for _, pod := range pods {
|
||||
@ -350,20 +469,32 @@ func expectEndpointsAndSlices(cs clientset.Interface, ns string, svc *v1.Service
|
||||
}
|
||||
}
|
||||
|
||||
// deleteEndpointSlices deletes EndpointSlices for the specified Service.
|
||||
func deleteEndpointSlices(cs clientset.Interface, ns string, svc *v1.Service) {
|
||||
listOptions := metav1.ListOptions{LabelSelector: fmt.Sprintf("%s=%s", discoveryv1beta1.LabelServiceName, svc.Name)}
|
||||
esList, err := cs.DiscoveryV1beta1().EndpointSlices(ns).List(context.TODO(), listOptions)
|
||||
framework.ExpectNoError(err, "Error fetching EndpointSlices for %s/%s Service", ns, svc.Name)
|
||||
|
||||
for _, endpointSlice := range esList.Items {
|
||||
err := cs.DiscoveryV1beta1().EndpointSlices(ns).Delete(context.TODO(), endpointSlice.Name, metav1.DeleteOptions{})
|
||||
framework.ExpectNoError(err, "Error deleting %s/%s EndpointSlice", ns, endpointSlice.Name)
|
||||
}
|
||||
}
|
||||
|
||||
// hasMatchingEndpointSlices returns any EndpointSlices that match the
|
||||
// conditions along with a boolean indicating if all the conditions have been
|
||||
// met.
|
||||
func hasMatchingEndpointSlices(cs clientset.Interface, ns, svcName string, numEndpoints, numSlices int) ([]discoveryv1beta1.EndpointSlice, bool) {
|
||||
listOptions := metav1.ListOptions{LabelSelector: fmt.Sprintf("%s=%s", discoveryv1beta1.LabelServiceName, svcName)}
|
||||
esList, err := cs.DiscoveryV1beta1().EndpointSlices(ns).List(context.TODO(), listOptions)
|
||||
framework.ExpectNoError(err, "Error fetching EndpointSlice for %s/%s Service", ns, svcName)
|
||||
framework.ExpectNoError(err, "Error fetching EndpointSlice for Service %s/%s", ns, svcName)
|
||||
|
||||
if len(esList.Items) == 0 {
|
||||
framework.Logf("EndpointSlice for %s/%s Service not found", ns, svcName)
|
||||
framework.Logf("EndpointSlice for Service %s/%s not found", ns, svcName)
|
||||
return []discoveryv1beta1.EndpointSlice{}, false
|
||||
}
|
||||
if len(esList.Items) != numSlices {
|
||||
framework.Logf("Expected %d EndpointSlices for %s/%s Service, got %d", numSlices, ns, svcName, len(esList.Items))
|
||||
framework.Logf("Expected %d EndpointSlices for Service %s/%s, got %d", numSlices, ns, svcName, len(esList.Items))
|
||||
return []discoveryv1beta1.EndpointSlice{}, false
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user