hsato03 commented on code in PR #10632:
URL: https://github.com/apache/cloudstack/pull/10632#discussion_r2190240100
##########
engine/storage/snapshot/src/main/java/org/apache/cloudstack/storage/vmsnapshot/DefaultVMSnapshotStrategy.java:
##########
@@ -469,16 +479,39 @@ public boolean deleteVMSnapshotFromDB(VMSnapshot
vmSnapshot, boolean unmanage) {
@Override
public StrategyPriority canHandle(Long vmId, Long rootPoolId, boolean
snapshotMemory) {
UserVmVO vm = userVmDao.findById(vmId);
- if (vm.getState() == State.Running && !snapshotMemory) {
+ if (State.Running.equals(vm.getState()) && !snapshotMemory) {
+ logger.debug("Default VM snapshot cannot handle VM snapshot for
[{}] as it is running and its memory will not be affected.", vm);
Review Comment:
```suggestion
logger.debug("Default VM snapshot strategy cannot handle VM
snapshot for [{}] as it is running and its memory will not be affected.", vm);
```
##########
engine/storage/snapshot/src/main/java/org/apache/cloudstack/storage/vmsnapshot/DefaultVMSnapshotStrategy.java:
##########
@@ -469,16 +479,39 @@ public boolean deleteVMSnapshotFromDB(VMSnapshot
vmSnapshot, boolean unmanage) {
@Override
public StrategyPriority canHandle(Long vmId, Long rootPoolId, boolean
snapshotMemory) {
UserVmVO vm = userVmDao.findById(vmId);
- if (vm.getState() == State.Running && !snapshotMemory) {
+ if (State.Running.equals(vm.getState()) && !snapshotMemory) {
+ logger.debug("Default VM snapshot cannot handle VM snapshot for
[{}] as it is running and its memory will not be affected.", vm);
+ return StrategyPriority.CANT_HANDLE;
+ }
+
+ if (vmHasKvmDiskOnlySnapshot(vm)) {
+ logger.debug("Default VM snapshot cannot handle VM snapshot for
[{}] as it has a disk-only VM snapshot using kvmFileBasedStorageSnapshot
strategy." +
+ "These two strategies are not compatible, as reverting a
disk-only VM snapshot will erase newer disk-and-memory VM snapshots.", vm);
return StrategyPriority.CANT_HANDLE;
}
List<VolumeVO> volumes = volumeDao.findByInstance(vmId);
for (VolumeVO volume : volumes) {
if (volume.getFormat() != ImageFormat.QCOW2) {
+ logger.debug("Default VM snapshot cannot handle VM snapshot
for [{}] as it has a volume [{}] that is not in the QCOW2 format.", vm, volume);
Review Comment:
```suggestion
logger.debug("Default VM snapshot strategy cannot handle VM
snapshot for [{}] as it has a volume [{}] that is not in the QCOW2 format.",
vm, volume);
```
##########
engine/storage/snapshot/src/main/java/org/apache/cloudstack/storage/vmsnapshot/DefaultVMSnapshotStrategy.java:
##########
@@ -469,16 +479,39 @@ public boolean deleteVMSnapshotFromDB(VMSnapshot
vmSnapshot, boolean unmanage) {
@Override
public StrategyPriority canHandle(Long vmId, Long rootPoolId, boolean
snapshotMemory) {
UserVmVO vm = userVmDao.findById(vmId);
- if (vm.getState() == State.Running && !snapshotMemory) {
+ if (State.Running.equals(vm.getState()) && !snapshotMemory) {
+ logger.debug("Default VM snapshot cannot handle VM snapshot for
[{}] as it is running and its memory will not be affected.", vm);
+ return StrategyPriority.CANT_HANDLE;
+ }
+
+ if (vmHasKvmDiskOnlySnapshot(vm)) {
+ logger.debug("Default VM snapshot cannot handle VM snapshot for
[{}] as it has a disk-only VM snapshot using kvmFileBasedStorageSnapshot
strategy." +
Review Comment:
```suggestion
logger.debug("Default VM snapshot strategy cannot handle VM
snapshot for [{}] as it has a disk-only VM snapshot using
kvmFileBasedStorageSnapshot strategy." +
```
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