Node e2e: switch most of the tests to use the e2e framework

This commit switches the tests to use the e2e framework, so that namespace
creation/deletion is handled between tests.

test/e2e_node/container_manager_test.go

@@ -21,23 +21,16 @@ import (
 	"time"
 
 	"k8s.io/kubernetes/pkg/api"
-	apierrs "k8s.io/kubernetes/pkg/api/errors"
-	"k8s.io/kubernetes/pkg/client/restclient"
-	client "k8s.io/kubernetes/pkg/client/unversioned"
 	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/test/e2e/framework"
 
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 )
 
-var _ = Describe("Kubelet Container Manager", func() {
-	var cl *client.Client
-	BeforeEach(func() {
-		// Setup the apiserver client
-		cl = client.NewOrDie(&restclient.Config{Host: *apiServerAddress})
-	})
+var _ = framework.KubeDescribe("Kubelet Container Manager", func() {
+	f := NewDefaultFramework("kubelet-container-manager")
 	Describe("oom score adjusting", func() {
-		namespace := "oom-adj"
 		Context("when scheduling a busybox command that always fails in a pod", func() {
 			var podName string
 
@@ -46,7 +39,7 @@ var _ = Describe("Kubelet Container Manager", func() {
 				pod := &api.Pod{
 					ObjectMeta: api.ObjectMeta{
 						Name:      podName,
-						Namespace: namespace,
+						Namespace: f.Namespace.Name,
 					},
 					Spec: api.PodSpec{
 						// Force the Pod to schedule to the node without a scheduler running
@@ -63,13 +56,13 @@ var _ = Describe("Kubelet Container Manager", func() {
 					},
 				}
 
-				_, err := cl.Pods(namespace).Create(pod)
+				_, err := f.Client.Pods(f.Namespace.Name).Create(pod)
 				Expect(err).To(BeNil(), fmt.Sprintf("Error creating Pod %v", err))
 			})
 
-			It("it should have an error terminated reason", func() {
+			It("should have an error terminated reason", func() {
 				Eventually(func() error {
-					podData, err := cl.Pods(namespace).Get(podName)
+					podData, err := f.Client.Pods(f.Namespace.Name).Get(podName)
 					if err != nil {
 						return err
 					}
@@ -87,22 +80,10 @@ var _ = Describe("Kubelet Container Manager", func() {
 				}, time.Minute, time.Second*4).Should(BeNil())
 			})
 
-			It("it should be possible to delete", func() {
-				err := cl.Pods(namespace).Delete(podName, &api.DeleteOptions{})
+			It("should be possible to delete", func() {
+				err := f.Client.Pods(f.Namespace.Name).Delete(podName, &api.DeleteOptions{})
 				Expect(err).To(BeNil(), fmt.Sprintf("Error deleting Pod %v", err))
 			})
-
-			AfterEach(func() {
-				cl.Pods(namespace).Delete(podName, &api.DeleteOptions{})
-				Eventually(func() bool {
-					_, err := cl.Pods(namespace).Get(podName)
-					if err != nil && apierrs.IsNotFound(err) {
-						return true
-					}
-					return false
-				}, time.Minute, time.Second*4).Should(BeTrue())
-			})
-
 		})
 	})
 

test/e2e_node/image_conformance_test.go

@@ -19,9 +19,6 @@ package e2e_node
 import (
 	"time"
 
-	"k8s.io/kubernetes/pkg/client/restclient"
-	client "k8s.io/kubernetes/pkg/client/unversioned"
-
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 )
@@ -34,13 +31,6 @@ const (
 )
 
 var _ = Describe("Image Container Conformance Test", func() {
-	var cl *client.Client
-
-	BeforeEach(func() {
-		// Setup the apiserver client
-		cl = client.NewOrDie(&restclient.Config{Host: *apiServerAddress})
-	})
-
 	Describe("[FLAKY] image conformance blackbox test", func() {
 		Context("when testing images that exist", func() {
 			var conformImages []ConformanceImage

test/e2e_node/kubelet_test.go

@@ -38,9 +38,8 @@ import (
 )
 
 var _ = framework.KubeDescribe("Kubelet", func() {
+	f := NewDefaultFramework("kubelet-test")
 	Context("when scheduling a busybox command in a pod", func() {
-		// Setup the framework
-		f := NewDefaultFramework("pod-scheduling")
 		podName := "busybox-scheduling-" + string(util.NewUUID())
 		It("it should print the output to logs", func() {
 			podClient := f.Client.Pods(f.Namespace.Name)
@@ -81,7 +80,6 @@ var _ = framework.KubeDescribe("Kubelet", func() {
 	})
 
 	Context("when scheduling a read only busybox container", func() {
-		f := NewDefaultFramework("pod-scheduling")
 		podName := "busybox-readonly-fs" + string(util.NewUUID())
 		It("it should not write to root filesystem", func() {
 			podClient := f.Client.Pods(f.Namespace.Name)
@@ -123,8 +121,6 @@ var _ = framework.KubeDescribe("Kubelet", func() {
 		})
 	})
 	Describe("metrics api", func() {
-		// Setup the framework
-		f := NewDefaultFramework("kubelet-metrics-api")
 		Context("when querying /stats/summary", func() {
 			It("it should report resource usage through the stats api", func() {
 				podNamePrefix := "stats-busybox-" + string(util.NewUUID())

test/e2e_node/mirror_pod_test.go

@@ -24,25 +24,21 @@ import (
 
 	"k8s.io/kubernetes/pkg/api"
 	"k8s.io/kubernetes/pkg/api/errors"
-	"k8s.io/kubernetes/pkg/client/restclient"
 	client "k8s.io/kubernetes/pkg/client/unversioned"
 	"k8s.io/kubernetes/pkg/types"
 	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/test/e2e/framework"
 
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 )
 
-var _ = Describe("MirrorPod", func() {
-	var cl *client.Client
-	BeforeEach(func() {
-		// Setup the apiserver client
-		cl = client.NewOrDie(&restclient.Config{Host: *apiServerAddress})
-	})
-	ns := "mirror-pod"
+var _ = framework.KubeDescribe("MirrorPod", func() {
+	f := NewDefaultFramework("mirror-pod")
 	Context("when create a mirror pod ", func() {
 		var staticPodName, mirrorPodName string
 		BeforeEach(func() {
+			ns := f.Namespace.Name
 			staticPodName = "static-pod-" + string(util.NewUUID())
 			mirrorPodName = staticPodName + "-" + e2es.nodeName
 
@@ -52,12 +48,13 @@ var _ = Describe("MirrorPod", func() {
 
 			By("wait for the mirror pod to be running")
 			Eventually(func() error {
-				return checkMirrorPodRunning(cl, mirrorPodName, ns)
+				return checkMirrorPodRunning(f.Client, mirrorPodName, ns)
 			}, 2*time.Minute, time.Second*4).Should(BeNil())
 		})
 		It("should be updated when static pod updated", func() {
+			ns := f.Namespace.Name
 			By("get mirror pod uid")
-			pod, err := cl.Pods(ns).Get(mirrorPodName)
+			pod, err := f.Client.Pods(ns).Get(mirrorPodName)
 			Expect(err).ShouldNot(HaveOccurred())
 			uid := pod.UID
 
@@ -68,53 +65,56 @@ var _ = Describe("MirrorPod", func() {
 
 			By("wait for the mirror pod to be updated")
 			Eventually(func() error {
-				return checkMirrorPodRecreatedAndRunnig(cl, mirrorPodName, ns, uid)
+				return checkMirrorPodRecreatedAndRunnig(f.Client, mirrorPodName, ns, uid)
 			}, 2*time.Minute, time.Second*4).Should(BeNil())
 
 			By("check the mirror pod container image is updated")
-			pod, err = cl.Pods(ns).Get(mirrorPodName)
+			pod, err = f.Client.Pods(ns).Get(mirrorPodName)
 			Expect(err).ShouldNot(HaveOccurred())
 			Expect(len(pod.Spec.Containers)).Should(Equal(1))
 			Expect(pod.Spec.Containers[0].Image).Should(Equal(image))
 		})
 		It("should be recreated when mirror pod gracefully deleted", func() {
+			ns := f.Namespace.Name
 			By("get mirror pod uid")
-			pod, err := cl.Pods(ns).Get(mirrorPodName)
+			pod, err := f.Client.Pods(ns).Get(mirrorPodName)
 			Expect(err).ShouldNot(HaveOccurred())
 			uid := pod.UID
 
 			By("delete the mirror pod with grace period 30s")
-			err = cl.Pods(ns).Delete(mirrorPodName, api.NewDeleteOptions(30))
+			err = f.Client.Pods(ns).Delete(mirrorPodName, api.NewDeleteOptions(30))
 			Expect(err).ShouldNot(HaveOccurred())
 
 			By("wait for the mirror pod to be recreated")
 			Eventually(func() error {
-				return checkMirrorPodRecreatedAndRunnig(cl, mirrorPodName, ns, uid)
+				return checkMirrorPodRecreatedAndRunnig(f.Client, mirrorPodName, ns, uid)
 			}, 2*time.Minute, time.Second*4).Should(BeNil())
 		})
 		It("should be recreated when mirror pod forcibly deleted", func() {
+			ns := f.Namespace.Name
 			By("get mirror pod uid")
-			pod, err := cl.Pods(ns).Get(mirrorPodName)
+			pod, err := f.Client.Pods(ns).Get(mirrorPodName)
 			Expect(err).ShouldNot(HaveOccurred())
 			uid := pod.UID
 
 			By("delete the mirror pod with grace period 0s")
-			err = cl.Pods(ns).Delete(mirrorPodName, api.NewDeleteOptions(0))
+			err = f.Client.Pods(ns).Delete(mirrorPodName, api.NewDeleteOptions(0))
 			Expect(err).ShouldNot(HaveOccurred())
 
 			By("wait for the mirror pod to be recreated")
 			Eventually(func() error {
-				return checkMirrorPodRecreatedAndRunnig(cl, mirrorPodName, ns, uid)
+				return checkMirrorPodRecreatedAndRunnig(f.Client, mirrorPodName, ns, uid)
 			}, 2*time.Minute, time.Second*4).Should(BeNil())
 		})
 		AfterEach(func() {
+			ns := f.Namespace.Name
 			By("delete the static pod")
 			err := deleteStaticPod(e2es.kubeletStaticPodDir, staticPodName, ns)
 			Expect(err).ShouldNot(HaveOccurred())
 
 			By("wait for the mirror pod to disappear")
 			Eventually(func() error {
-				return checkMirrorPodDisappear(cl, mirrorPodName, ns)
+				return checkMirrorPodDisappear(f.Client, mirrorPodName, ns)
 			}, 2*time.Minute, time.Second*4).Should(BeNil())
 		})
 	})

test/e2e_node/runtime_conformance_test.go

@@ -24,8 +24,6 @@ import (
 	"time"
 
 	"k8s.io/kubernetes/pkg/api"
-	"k8s.io/kubernetes/pkg/client/restclient"
-	client "k8s.io/kubernetes/pkg/client/unversioned"
 
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
@@ -48,15 +46,9 @@ type testCase struct {
 }
 
 var _ = Describe("Container Runtime Conformance Test", func() {
-	var cl *client.Client
-
-	BeforeEach(func() {
-		// Setup the apiserver client
-		cl = client.NewOrDie(&restclient.Config{Host: *apiServerAddress})
-	})
+	f := NewDefaultFramework("runtime-conformance")
 
 	Describe("container runtime conformance blackbox test", func() {
-		namespace := "runtime-conformance"
 
 		Context("when starting a container that exits", func() {
 			It("it should run with the expected status [Conformance]", func() {
@@ -108,11 +100,11 @@ while true; do sleep 1; done
 					testContainer.Command = []string{"sh", "-c", tmpCmd}
 					terminateContainer := ConformanceContainer{
 						Container:     testContainer,
-						Client:        cl,
+						Client:        f.Client,
 						RestartPolicy: testCase.RestartPolicy,
 						Volumes:       testVolumes,
 						NodeName:      *nodeName,
-						Namespace:     namespace,
+						Namespace:     f.Namespace.Name,
 					}
 					Expect(terminateContainer.Create()).To(Succeed())
 					defer terminateContainer.Delete()
@@ -152,10 +144,10 @@ while true; do sleep 1; done
 				testContainer.Name = testCase.Name
 				invalidImageContainer := ConformanceContainer{
 					Container:     testContainer,
-					Client:        cl,
+					Client:        f.Client,
 					RestartPolicy: testCase.RestartPolicy,
 					NodeName:      *nodeName,
-					Namespace:     namespace,
+					Namespace:     f.Namespace.Name,
 				}
 				Expect(invalidImageContainer.Create()).To(Succeed())
 				defer invalidImageContainer.Delete()