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rbd: add validation for thick restore/clone

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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>
This commit is contained in:
Madhu Rajanna
2021-06-17 11:45:29 +05:30
committed by mergify[bot]
parent fc442221e4
commit 7966d2e5c1
2 changed files with 26 additions and 0 deletions
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16
internal/rbd/rbd_util.go
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@ -1613,3 +1613,19 @@ func (ri *rbdImage) isCompatibleEncryption(dst *rbdImage) error {
return nil
}
func (ri *rbdImage) isCompatibleThickProvision(dst *rbdVolume) error {
thick, err := ri.isThickProvisioned()
if err != nil {
return err
}
switch {
case thick && !dst.ThickProvision:
return fmt.Errorf("cannot create thin volume from thick volume %q", ri)
case !thick && dst.ThickProvision:
return fmt.Errorf("cannot create thick volume from thin volume %q", ri)
}
return nil
}