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- Introduce new flag to enable feature to prevent unauthorised volume mode conversion

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- Changes to snapshot controller to read the volume mode from the PV and add it to SourceVolumeMode field in VolumeSnapshotContent
This commit is contained in:
Raunak Pradip Shah
2022-03-30 10:20:55 +05:30
parent 019a59a10f
commit 5b578e8573
4 changed files with 21 additions and 0 deletions
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14
pkg/common-controller/snapshot_controller.go
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@@ -684,6 +684,20 @@ func (ctrl *csiSnapshotCommonController) createSnapshotContent(snapshot *crdv1.V
}
}
if ctrl.preventVolumeModeConversion {
volumeMode := volume.Spec.VolumeMode
if volumeMode != nil {
snapshotContent.Spec.SourceVolumeMode = new(crdv1.SourceVolumeMode)
switch *volumeMode {
case v1.PersistentVolumeBlock:
*snapshotContent.Spec.SourceVolumeMode = crdv1.SourceVolumeModeBlock
case v1.PersistentVolumeFilesystem:
*snapshotContent.Spec.SourceVolumeMode = crdv1.SourceVolumeModeFilesystem
}
}
klog.V(5).Infof("snapcontent %s has volume mode %s", snapshotContent.Name, *snapshotContent.Spec.SourceVolumeMode)
}
// Set AnnDeletionSecretRefName and AnnDeletionSecretRefNamespace
if snapshotterSecretRef != nil {
klog.V(5).Infof("createSnapshotContent: set annotation [%s] on content [%s].", utils.AnnDeletionSecretRefName, snapshotContent.Name)