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e2e: add rwop validation helper function in pod.go

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This commit adds the rwop validation helper for rbd and cephfs tests.

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
This commit is contained in:
Humble Chirammal 2022-01-06 20:48:04 +05:30 committed by mergify[bot]
parent 8f7016229a
commit 375e9c8a51
1 changed files with 32 additions and 0 deletions
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32
e2e/pod.go
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@ -33,6 +33,8 @@ import (
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
)
const errRWOPConflict = "node has pod using PersistentVolumeClaim with the same name and ReadWriteOncePod access mode."
// getDaemonSetLabelSelector returns labels of daemonset given name and namespace dynamically,
// needed since labels are not same for helm and non-helm deployments.
func getDaemonSetLabelSelector(f *framework.Framework, ns, daemonSetName string) (string, error) {
@ -414,3 +416,33 @@ func recreateCSIPods(f *framework.Framework, podLabels, daemonsetName, deploymen
return nil
}
// validateRWOPPodCreation validates the second pod creation failure scenario with RWOP pvc.
func validateRWOPPodCreation(
f *framework.Framework,
pvc *v1.PersistentVolumeClaim,
app *v1.Pod,
baseAppName string) error {
var err error
// create one more app with same PVC
name := fmt.Sprintf("%s%d", f.UniqueName, deployTimeout)
app.Name = name
err = createAppErr(f.ClientSet, app, deployTimeout, errRWOPConflict)
if err != nil {
return fmt.Errorf("application should not go to running state due to RWOP access mode: %w", err)
}
err = deletePod(name, app.Namespace, f.ClientSet, deployTimeout)
if err != nil {
return fmt.Errorf("failed to delete application: %w", err)
}
app.Name = baseAppName
err = deletePVCAndApp("", f, pvc, app)
if err != nil {
return fmt.Errorf("failed to delete PVC and application: %w", err)
}
return nil
}