ensure the namespace exists

Signed-off-by: Paco Xu <[email protected]>

Author: pacoxu

vertical-pod-autoscaler/e2e/v1/common.go

@@ -302,6 +302,18 @@ func getVpaClientSet(f *framework.Framework) vpa_clientset.Interface {
 	return vpa_clientset.NewForConfigOrDie(config)
 }
 
+func CheckNamespaceOrCreate(f *framework.Framework, ns string) {
+	_, err := f.ClientSet.CoreV1().Namespaces().Get(context.TODO(), ns, metav1.GetOptions{})
+	if err == nil {
+		ginkgo.By(fmt.Sprintf("Namespace %v already exists", ns))
+	}
+	if err != nil {
+		ginkgo.By(fmt.Sprintf("Creating namespace %v", ns))
+		_, err = f.ClientSet.CoreV1().Namespaces().Create(context.TODO(), &apiv1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: ns}}, metav1.CreateOptions{})
+		gomega.Expect(err).NotTo(gomega.HaveOccurred(), "unexpected error creating namespace")
+	}
+}
+
 // InstallVPA installs a VPA object in the test cluster.
 func InstallVPA(f *framework.Framework, vpa *vpa_types.VerticalPodAutoscaler) {
 	vpaClientSet := getVpaClientSet(f)

vertical-pod-autoscaler/e2e/v1/full_vpa.go

@@ -81,6 +81,10 @@ var _ = FullVpaE2eDescribe("Pods under VPA", func() {
 		}
 
 		containerName := GetHamsterContainerNameByIndex(0)
+		// check if the namespace exists and print the namespace name
+		ginkgo.By(fmt.Sprintf("Namespace name: %s", f.Namespace.Name))
+		CheckNamespaceOrCreate(f, f.Namespace.Name)
+
 		vpaCRD := test.VerticalPodAutoscaler().
 			WithName("hamster-vpa").
 			WithNamespace(f.Namespace.Name).