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e2e: add validation for thick-provisioning

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Signed-off-by: Niels de Vos <ndevos@redhat.com>
This commit is contained in:
Niels de Vos
2021-01-06 10:58:54 +01:00
committed by mergify[bot]
parent 8870575a48
commit 2363d2a789
2 changed files with 134 additions and 0 deletions
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77
e2e/rbd.go
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@ -1297,6 +1297,83 @@ var _ = Describe("RBD", func() {
validateRBDImageCount(f, 0)
})
By("create a thick-provisioned PVC", func() {
err := deleteResource(rbdExamplePath + "storageclass.yaml")
if err != nil {
e2elog.Failf("failed to delete storageclass with error %v", err)
}
err = createRBDStorageClass(f.ClientSet, f, nil, map[string]string{
"thickProvision": "true"}, deletePolicy)
if err != nil {
e2elog.Failf("failed to create storageclass with error %v", err)
}
pvc, err := loadPVC(rawPvcPath)
if err != nil {
e2elog.Failf("failed to load PVC with error %v", err)
}
pvc.Namespace = f.UniqueName
err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
e2elog.Failf("failed to create PVC with error %v", err)
}
validateRBDImageCount(f, 1)
// nothing has been written, but the image should be allocated
du, err := getRbdDu(f, pvc)
if err != nil {
e2elog.Failf("failed to get allocations of RBD image: %v", err)
} else if du.UsedSize == 0 || du.UsedSize != du.ProvisionedSize {
e2elog.Failf("backing RBD image is not thick-provisioned (%d/%d)", du.UsedSize, du.ProvisionedSize)
}
// expanding the PVC should thick-allocate the expansion
// nolint:mnd // we want 2x the size so that extending is done
newSize := du.ProvisionedSize * 2
err = expandPVCSize(f.ClientSet, pvc, fmt.Sprintf("%d", newSize), deployTimeout)
if err != nil {
e2elog.Failf("failed to expand PVC: %v", err)
}
// after expansion, the updated 'du' should be larger
du, err = getRbdDu(f, pvc)
if err != nil {
e2elog.Failf("failed to get allocations of RBD image: %v", err)
} else if du.UsedSize != newSize {
e2elog.Failf("backing RBD image is not extended thick-provisioned (%d/%d)", du.UsedSize, newSize)
}
// thick provisioning allows for sparsifying
err = sparsifyBackingRBDImage(f, pvc)
if err != nil {
e2elog.Failf("failed to sparsify RBD image: %v", err)
}
// after sparsifying the image should not have any allocations
du, err = getRbdDu(f, pvc)
if err != nil {
e2elog.Failf("backing RBD image is not thick-provisioned: %v", err)
} else if du.UsedSize != 0 {
e2elog.Failf("backing RBD image was not sparsified")
}
err = deletePVCAndValidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
e2elog.Failf("failed to delete PVC with error: %v", err)
}
validateRBDImageCount(f, 0)
err = deleteResource(rbdExamplePath + "storageclass.yaml")
if err != nil {
e2elog.Failf("failed to delete storageclass with error %v", err)
}
err = createRBDStorageClass(f.ClientSet, f, nil, nil, deletePolicy)
if err != nil {
e2elog.Failf("failed to create storageclass with error %v", err)
}
})
By("create a PVC and Bind it to an app for mapped rbd image with options", func() {
err := deleteResource(rbdExamplePath + "storageclass.yaml")
if err != nil {