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kvm: Disable shrinking QCOW2 volumes (#4679)

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Since QCOW2 volumes cannot be resized to lower value in any case,
just disable it in backend.
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Rakesh 2021-04-07 07:55:52 +02:00 committed by GitHub
parent 7208fac18b
commit 262285639e
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1 changed files with 8 additions and 0 deletions
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server/src/main/java/com/cloud/storage/VolumeApiServiceImpl.java
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@ -1061,6 +1061,14 @@ public class VolumeApiServiceImpl extends ManagerBase implements VolumeApiServic
* This will be checked again at the hypervisor level where we can see
* the actual disk size.
*/
if (currentSize > newSize) {
VolumeVO vol = _volsDao.findById(cmd.getEntityId());
if (vol != null && ImageFormat.QCOW2.equals(vol.getFormat()) && !Volume.State.Allocated.equals(volume.getState())) {
String message = "Unable to shrink volumes of type QCOW2";
s_logger.warn(message);
throw new InvalidParameterValueException(message);
}
}
if (currentSize > newSize && !shrinkOk) {
throw new InvalidParameterValueException("Going from existing size of " + currentSize + " to size of " + newSize + " would shrink the volume."
+ "Need to sign off by supplying the shrinkok parameter with value of true.");