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Merge pull request #93618 from Jiawei0227/e2e-csi-mock-flaky

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Fix flaky test: wait for mock CSI Driver bringup to perform e2e test
This commit is contained in:
Kubernetes Prow Robot 2020-08-10 15:41:59 -07:00 committed by GitHub
commit da5ec168e7
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2 changed files with 18 additions and 5 deletions
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7
test/e2e/storage/csi_mock_volume.go
View File

@ -151,11 +151,16 @@ var _ = utils.SIGDescribe("CSI mock volume", func() {
if tp.registerDriver {
err = waitForCSIDriver(cs, m.config.GetUniqueDriverName())
framework.ExpectNoError(err, "Failed to get CSIDriver : %v", err)
framework.ExpectNoError(err, "Failed to get CSIDriver %v", m.config.GetUniqueDriverName())
m.testCleanups = append(m.testCleanups, func() {
destroyCSIDriver(cs, m.config.GetUniqueDriverName())
})
}
// Wait for the CSIDriver actually get deployed and CSINode object to be generated.
// This indicates the mock CSI driver pod is up and running healthy.
err = drivers.WaitForCSIDriverRegistrationOnNode(m.config.ClientNodeSelection.Name, m.config.GetUniqueDriverName(), cs)
framework.ExpectNoError(err, "Failed to register CSIDriver %v", m.config.GetUniqueDriverName())
}
createPod := func(ephemeral bool) (class *storagev1.StorageClass, claim *v1.PersistentVolumeClaim, pod *v1.Pod) {

16
test/e2e/storage/drivers/csi.go
View File

@ -608,17 +608,25 @@ func waitForCSIDriverRegistrationOnAllNodes(driverName string, cs clientset.Inte
return err
}
for _, node := range nodes.Items {
if err := waitForCSIDriverRegistrationOnNode(node.Name, driverName, cs); err != nil {
if err := WaitForCSIDriverRegistrationOnNode(node.Name, driverName, cs); err != nil {
return err
}
}
return nil
}
func waitForCSIDriverRegistrationOnNode(nodeName string, driverName string, cs clientset.Interface) error {
const csiNodeRegisterTimeout = 5 * time.Minute
// WaitForCSIDriverRegistrationOnNode waits for the CSINode object generated by the node-registrar on a certain node
func WaitForCSIDriverRegistrationOnNode(nodeName string, driverName string, cs clientset.Interface) error {
framework.Logf("waiting for CSIDriver %v to register on node %v", driverName, nodeName)
waitErr := wait.PollImmediate(10*time.Second, csiNodeRegisterTimeout, func() (bool, error) {
// About 8.6 minutes timeout
backoff := wait.Backoff{
Duration: 2 * time.Second,
Factor: 1.5,
Steps: 12,
}
waitErr := wait.ExponentialBackoff(backoff, func() (bool, error) {
csiNode, err := cs.StorageV1().CSINodes().Get(context.TODO(), nodeName, metav1.GetOptions{})
if err != nil && !apierrors.IsNotFound(err) {
return false, err