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rbd: add validation for thick restore/clone
added validation to allow only Restore of Thick PVC
snapshot to a thick clone and creation of thick clone
from thick PVC.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
(cherry picked from commit 7966d2e5c1
)
This commit is contained in:
parent
c5cafe3128
commit
96fce60b4e
@ -222,11 +222,21 @@ func checkValidCreateVolumeRequest(rbdVol, parentVol *rbdVolume, rbdSnap *rbdSna
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if err != nil {
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return status.Errorf(codes.InvalidArgument, "cannot restore from snapshot %s: %s", rbdSnap, err.Error())
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}
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err = rbdSnap.isCompatibleThickProvision(rbdVol)
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if err != nil {
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return status.Errorf(codes.InvalidArgument, "cannot restore from snapshot %s: %s", rbdSnap, err.Error())
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}
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case parentVol != nil:
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err = parentVol.isCompatibleEncryption(&rbdVol.rbdImage)
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if err != nil {
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return status.Errorf(codes.InvalidArgument, "cannot clone from volume %s: %s", parentVol, err.Error())
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}
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err = parentVol.isCompatibleThickProvision(rbdVol)
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if err != nil {
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return status.Errorf(codes.InvalidArgument, "cannot clone from volume %s: %s", parentVol, err.Error())
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}
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}
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return nil
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}
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@ -1550,3 +1550,19 @@ func (ri *rbdImage) isCompatibleEncryption(dst *rbdImage) error {
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return nil
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}
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func (ri *rbdImage) isCompatibleThickProvision(dst *rbdVolume) error {
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thick, err := ri.isThickProvisioned()
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if err != nil {
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return err
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}
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switch {
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case thick && !dst.ThickProvision:
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return fmt.Errorf("cannot create thin volume from thick volume %q", ri)
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case !thick && dst.ThickProvision:
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return fmt.Errorf("cannot create thick volume from thin volume %q", ri)
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}
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return nil
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}
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