test: don't panic during an Eventually retry loop

Signed-off-by: Jack Francis <jackfrancis@gmail.com>

test/e2e/instrumentation/metrics.go

@@ -44,10 +44,7 @@ var _ = common.SIGDescribe("Metrics", func() {
 		ec = f.KubemarkExternalClusterClientSet
 		gomega.Eventually(ctx, func() error {
 			grabber, err = e2emetrics.NewMetricsGrabber(ctx, c, ec, f.ClientConfig(), true, true, true, true, true, true)
-			if err != nil {
-				framework.ExpectNoError(err, "failed to create metrics grabber")
-			}
-			return nil
+			return err
 		}, 5*time.Minute, 10*time.Second).Should(gomega.BeNil())
 	})
 

test/e2e/node/gpu.go

@@ -295,7 +295,10 @@ func SetupEnvironmentAndSkipIfNeeded(ctx context.Context, f *framework.Framework
 func areGPUsAvailableOnAllSchedulableNodes(ctx context.Context, clientSet clientset.Interface) bool {
 	framework.Logf("Getting list of Nodes from API server")
 	nodeList, err := clientSet.CoreV1().Nodes().List(ctx, metav1.ListOptions{})
-	framework.ExpectNoError(err, "getting node list")
+	if err != nil {
+		framework.Logf("Unexpected error getting node list: %v", err)
+		return false
+	}
 	for _, node := range nodeList.Items {
 		if node.Spec.Unschedulable {
 			continue

test/e2e/storage/testsuites/volume_modify.go

@@ -274,14 +274,14 @@ func SetPVCVACName(ctx context.Context, origPVC *v1.PersistentVolumeClaim, name
 	pvcName := origPVC.Name
 	var patchedPVC *v1.PersistentVolumeClaim
 
-	gomega.Eventually(ctx, func(g gomega.Gomega) {
+	gomega.Eventually(ctx, func() error {
 		var err error
 		patch := []map[string]interface{}{{"op": "replace", "path": "/spec/volumeAttributesClassName", "value": name}}
 		patchBytes, _ := json.Marshal(patch)
 
 		patchedPVC, err = c.CoreV1().PersistentVolumeClaims(origPVC.Namespace).Patch(ctx, pvcName, types.JSONPatchType, patchBytes, metav1.PatchOptions{})
-		framework.ExpectNoError(err, "While patching PVC to add VAC name")
-	}, timeout, modifyPollInterval).Should(gomega.Succeed())
+		return err
+	}, timeout, modifyPollInterval).Should(gomega.BeNil())
 
 	return patchedPVC
 }

test/e2e/windows/eviction.go

@@ -178,7 +178,10 @@ var _ = sigDescribe(feature.Windows, "Eviction", framework.WithSerial(), framewo
 		framework.Logf("Waiting for pod2 to get evicted")
 		gomega.Eventually(ctx, func() bool {
 			eventList, err := f.ClientSet.CoreV1().Events(f.Namespace.Name).List(ctx, metav1.ListOptions{})
-			framework.ExpectNoError(err)
+			if err != nil {
+				framework.Logf("Error getting events: %v", err)
+				return false
+			}
 			for _, e := range eventList.Items {
 				// Look for an event that shows FailedScheduling
 				if e.Type == "Warning" && e.Reason == "Evicted" && strings.Contains(e.Message, "pod2") {

test/e2e/windows/memory_limits.go

@@ -164,7 +164,10 @@ func overrideAllocatableMemoryTest(ctx context.Context, f *framework.Framework,
 	framework.ExpectNoError(err)
 	gomega.Eventually(ctx, func() bool {
 		eventList, err := f.ClientSet.CoreV1().Events(f.Namespace.Name).List(ctx, metav1.ListOptions{})
-		framework.ExpectNoError(err)
+		if err != nil {
+			framework.Logf("Error getting events: %v", err)
+			return false
+		}
 		for _, e := range eventList.Items {
 			// Look for an event that shows FailedScheduling
 			if e.Type == "Warning" && e.Reason == "FailedScheduling" && e.InvolvedObject.Name == failurePod.ObjectMeta.Name {

test/e2e_node/util.go

@@ -239,7 +239,10 @@ func waitForKubeletToStart(ctx context.Context, f *framework.Framework) {
 	// Wait for the Kubelet to be ready.
 	gomega.Eventually(ctx, func(ctx context.Context) bool {
 		nodes, err := e2enode.TotalReady(ctx, f.ClientSet)
-		framework.ExpectNoError(err)
+		if err != nil {
+			framework.Logf("Error getting ready nodes: %v", err)
+			return false
+		}
 		return nodes == 1
 	}, time.Minute, time.Second).Should(gomega.BeTrueBecause("expected kubelet to be in ready state"))
 }