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https://github.com/k3s-io/kubernetes.git
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Ported TestNetwork to native ginkgo syntax #4179
This commit is contained in:
Robert Rati
parent
6d171a458e
commit
a1dcec8a1c
@ -17,147 +17,156 @@ limitations under the License.
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package e2e
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import (
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"fmt"
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"net/http"
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"time"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
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"github.com/golang/glog"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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func TestNetwork(c *client.Client) bool {
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if testContext.provider == "vagrant" {
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glog.Infof("Skipping test which is broken for vagrant (See https://github.com/GoogleCloudPlatform/kubernetes/issues/3580)")
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return true
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}
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var _ = Describe("Networking", func() {
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var c *client.Client
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// Test basic external connectivity.
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resp, err := http.Get("http://google.com/")
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if err != nil {
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glog.Errorf("unable to talk to the external internet: %v", err)
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return false
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}
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if resp.StatusCode != http.StatusOK {
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glog.Errorf("unexpected error code. expected 200, got: %v (%v)", resp.StatusCode, resp)
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return false
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}
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ns := api.NamespaceDefault
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// TODO(satnam6502): Replace call of randomSuffix with call to NewUUID when service
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// names have the same form as pod and replication controller names.
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name := "nettest-" + randomSuffix()
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svc, err := c.Services(ns).Create(&api.Service{
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ObjectMeta: api.ObjectMeta{
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Name: name,
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Labels: map[string]string{
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"name": name,
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},
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},
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Spec: api.ServiceSpec{
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Port: 8080,
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ContainerPort: util.NewIntOrStringFromInt(8080),
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Selector: map[string]string{
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"name": name,
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},
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},
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BeforeEach(func() {
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c = loadClientOrDie()
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})
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glog.Infof("Creating service with name %s", svc.Name)
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if err != nil {
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glog.Errorf("unable to create test service %s: %v", svc.Name, err)
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return false
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}
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// Clean up service
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defer func() {
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if err = c.Services(ns).Delete(svc.Name); err != nil {
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glog.Errorf("unable to delete svc %v: %v", svc.Name, err)
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It("should function for pods", func() {
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if testContext.provider == "vagrant" {
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By("Skipping test which is broken for vagrant (See https://github.com/GoogleCloudPlatform/kubernetes/issues/3580)")
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return
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}
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}()
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rc, err := c.ReplicationControllers(ns).Create(&api.ReplicationController{
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ObjectMeta: api.ObjectMeta{
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Name: name,
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Labels: map[string]string{
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"name": name,
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},
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},
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Spec: api.ReplicationControllerSpec{
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Replicas: 8,
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Selector: map[string]string{
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"name": name,
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},
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Template: &api.PodTemplateSpec{
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ObjectMeta: api.ObjectMeta{
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Labels: map[string]string{"name": name},
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// Test basic external connectivity.
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resp, err := http.Get("http://google.com/")
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if err != nil {
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Fail(fmt.Sprintf("unable to talk to the external internet: %v", err))
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}
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if resp.StatusCode != http.StatusOK {
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Fail(fmt.Sprintf("unexpected error code. expected 200, got: %v (%v)", resp.StatusCode, resp))
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}
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ns := api.NamespaceDefault
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// TODO(satnam6502): Replace call of randomSuffix with call to NewUUID when service
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// names have the same form as pod and replication controller names.
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name := "nettest-" + randomSuffix()
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svc, err := c.Services(ns).Create(&api.Service{
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ObjectMeta: api.ObjectMeta{
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Name: name,
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Labels: map[string]string{
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"name": name,
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},
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Spec: api.PodSpec{
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Containers: []api.Container{
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{
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Name: "webserver",
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Image: "kubernetes/nettest:latest",
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Command: []string{"-service=" + name},
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Ports: []api.Port{{ContainerPort: 8080}},
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},
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Spec: api.ServiceSpec{
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Port: 8080,
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ContainerPort: util.NewIntOrStringFromInt(8080),
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Selector: map[string]string{
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"name": name,
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},
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},
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})
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By(fmt.Sprintf("Creating service with name %s", svc.Name))
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if err != nil {
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Fail(fmt.Sprintf("unable to create test service %s: %v", svc.Name, err))
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}
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// Clean up service
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defer func() {
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defer GinkgoRecover()
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By("Cleaning up the service")
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if err = c.Services(ns).Delete(svc.Name); err != nil {
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Fail(fmt.Sprintf("unable to delete svc %v: %v", svc.Name, err))
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}
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}()
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By("Creating a replication controller")
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rc, err := c.ReplicationControllers(ns).Create(&api.ReplicationController{
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ObjectMeta: api.ObjectMeta{
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Name: name,
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Labels: map[string]string{
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"name": name,
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},
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},
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Spec: api.ReplicationControllerSpec{
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Replicas: 8,
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Selector: map[string]string{
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"name": name,
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},
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Template: &api.PodTemplateSpec{
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ObjectMeta: api.ObjectMeta{
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Labels: map[string]string{"name": name},
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},
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Spec: api.PodSpec{
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Containers: []api.Container{
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{
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Name: "webserver",
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Image: "kubernetes/nettest:latest",
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Command: []string{"-service=" + name},
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Ports: []api.Port{{ContainerPort: 8080}},
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},
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},
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},
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},
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},
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},
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})
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if err != nil {
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glog.Errorf("unable to create test rc: %v", err)
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return false
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}
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// Clean up rc
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defer func() {
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rc.Spec.Replicas = 0
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rc, err = c.ReplicationControllers(ns).Update(rc)
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})
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if err != nil {
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glog.Errorf("unable to modify replica count for rc %v: %v", rc.Name, err)
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return
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Fail(fmt.Sprintf("unable to create test rc: %v", err))
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}
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if err = c.ReplicationControllers(ns).Delete(rc.Name); err != nil {
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glog.Errorf("unable to delete rc %v: %v", rc.Name, err)
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}
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}()
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const maxAttempts = 60
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for i := 0; i < maxAttempts; i++ {
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time.Sleep(2 * time.Second)
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body, err := c.Get().Prefix("proxy").Resource("services").Name(svc.Name).Suffix("status").Do().Raw()
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if err != nil {
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glog.Infof("Attempt %v/%v: service/pod still starting. (error: '%v')", i, maxAttempts, err)
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continue
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}
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switch string(body) {
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case "pass":
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glog.Infof("Passed on attempt %v. Cleaning up.", i)
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return true
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case "running":
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glog.Infof("Attempt %v/%v: test still running", i, maxAttempts)
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case "fail":
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if body, err := c.Get().Prefix("proxy").Resource("services").Name(svc.Name).Suffix("read").Do().Raw(); err != nil {
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glog.Infof("Failed on attempt %v. Cleaning up. Error reading details: %v", i, err)
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} else {
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glog.Infof("Failed on attempt %v. Cleaning up. Details:\n%v", i, string(body))
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// Clean up rc
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defer func() {
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defer GinkgoRecover()
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By("Cleaning up the replication controller")
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rc.Spec.Replicas = 0
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rc, err = c.ReplicationControllers(ns).Update(rc)
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if err != nil {
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Fail(fmt.Sprintf("unable to modify replica count for rc %v: %v", rc.Name, err))
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}
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if err = c.ReplicationControllers(ns).Delete(rc.Name); err != nil {
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Fail(fmt.Sprintf("unable to delete rc %v: %v", rc.Name, err))
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}
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}()
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By("Waiting for connectivity to be verified")
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const maxAttempts = 60
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passed := false
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var body []byte
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for i := 0; i < maxAttempts && !passed; i++ {
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time.Sleep(2 * time.Second)
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body, err = c.Get().Prefix("proxy").Resource("services").Name(svc.Name).Suffix("status").Do().Raw()
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if err != nil {
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fmt.Printf("Attempt %v/%v: service/pod still starting. (error: '%v')\n", i, maxAttempts, err)
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continue
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}
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switch string(body) {
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case "pass":
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fmt.Printf("Passed on attempt %v. Cleaning up.\n", i)
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passed = true
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break
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case "running":
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fmt.Printf("Attempt %v/%v: test still running\n", i, maxAttempts)
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break
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case "fail":
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if body, err = c.Get().Prefix("proxy").Resource("services").Name(svc.Name).Suffix("read").Do().Raw(); err != nil {
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Fail(fmt.Sprintf("Failed on attempt %v. Cleaning up. Error reading details: %v", i, err))
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} else {
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Fail(fmt.Sprintf("Failed on attempt %v. Cleaning up. Details:\n%v", i, string(body)))
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}
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break
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}
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return false
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}
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}
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if body, err := c.Get().Prefix("proxy").Resource("services").Name(svc.Name).Suffix("read").Do().Raw(); err != nil {
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glog.Infof("Timed out. Cleaning up. Error reading details: %v", err)
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} else {
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glog.Infof("Timed out. Cleaning up. Details:\n%v", string(body))
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}
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return false
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}
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var _ = Describe("TestNetwork", func() {
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It("should pass", func() {
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// TODO: Instead of OrDie, client should Fail the test if there's a problem.
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// In general tests should Fail() instead of glog.Fatalf().
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Expect(TestNetwork(loadClientOrDie())).To(BeTrue())
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if !passed {
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if body, err = c.Get().Prefix("proxy").Resource("services").Name(svc.Name).Suffix("read").Do().Raw(); err != nil {
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Fail(fmt.Sprintf("Timed out. Cleaning up. Error reading details: %v", err))
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} else {
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Fail(fmt.Sprintf("Timed out. Cleaning up. Details:\n%v", string(body)))
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}
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}
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Expect(string(body)).To(Equal("pass"))
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})
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})
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