nfs: add snapshot-backed (shallow) read-only volume support#6193
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Rakshith-R wants to merge 1 commit intoceph:develfrom
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nfs: add snapshot-backed (shallow) read-only volume support#6193Rakshith-R wants to merge 1 commit intoceph:develfrom
Rakshith-R wants to merge 1 commit intoceph:develfrom
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Remove the hardcoded `backingSnapshot = "false"` override in the NFS controller, enabling NFS volumes to use CephFS snapshot-backed (shallow) read-only volumes. This avoids expensive data cloning when read-only access to snapshot contents is needed. Changes: - Expose `backingSnapshotRoot` in CephFS volume context so the NFS controller can construct the correct export path pointing to the snapshot data directory. - Remove the `backingSnapshot` blocker in NFS CreateVolume and adjust the NFS export path to include the backing snapshot root for snapshot-backed volumes. - Add three NFS e2e tests: snapshot-backed volume, backing snapshot as false, and RWX clone from ROX PVC. Co-Authored-By: Claude <noreply@anthropic.com> Signed-off-by: Rakshith R <rar@redhat.com>
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Describe what this PR does
Remove the hardcoded
backingSnapshot = "false"override in the NFS controller, enabling NFS volumes to use CephFS snapshot-backed (shallow) read-only volumes. This avoids expensive data cloning when read-only access to snapshot contents is needed.Changes:
backingSnapshotRootin CephFS volume context so the NFS controller can construct the correct export path pointing to the snapshot data directory.backingSnapshotblocker in NFS CreateVolume and adjust the NFS export path to include the backing snapshot root for snapshot-backed volumes.