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rbd: disallow creating small size volume from volume

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as per the CSI standard the size is optional parameter,
as we are allowing the clone to a bigger size
today we need to block the clone to a smaller size
as its a have side effects like data corruption etc.

Note:- Even though this check is present in kubernetes
sidecar as CSI is CO independent adding the check
here.

updates: #2718

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna 2022-01-12 14:27:05 +05:30 committed by mergify[bot]
parent ceafca6ddf
commit d293d91c07
1 changed files with 5 additions and 0 deletions
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5
internal/rbd/controllerserver.go
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@ -231,6 +231,11 @@ func checkValidCreateVolumeRequest(rbdVol, parentVol *rbdVolume, rbdSnap *rbdSna
if err != nil { if err != nil {
return status.Errorf(codes.InvalidArgument, "cannot clone from volume %s: %s", parentVol, err.Error()) return status.Errorf(codes.InvalidArgument, "cannot clone from volume %s: %s", parentVol, err.Error())
} }
err = parentVol.isCompabitableClone(&rbdVol.rbdImage)
if err != nil {
return status.Errorf(codes.InvalidArgument, "cannot clone from volume %s: %s", parentVol, err.Error())
}
} }
return nil return nil