weizhouapache commented on a change in pull request #3724: Storage-based
Snapshots for KVM VMs
URL: https://github.com/apache/cloudstack/pull/3724#discussion_r366288633
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File path:
plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/KVMStorageProcessor.java
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@@ -1456,22 +1496,65 @@ public Answer createSnapshot(final CreateObjectCommand
cmd) {
final KVMPhysicalDisk disk =
storagePoolMgr.getPhysicalDisk(primaryStore.getPoolType(),
primaryStore.getUuid(), volume.getPath());
if (state == DomainInfo.DomainState.VIR_DOMAIN_RUNNING &&
!primaryPool.isExternalSnapshot()) {
final String vmUuid = vm.getUUIDString();
- final Object[] args = new Object[] {snapshotName, vmUuid};
- final String snapshot = SnapshotXML.format(args);
+ boolean isKVMEnabled = cmd.getContextParam("kvmsnapshot") !=
null ? Boolean.parseBoolean(cmd.getContextParam("kvmsnapshot")) : false;
+ s_logger.debug(String.format("Snapshots on KVM is enabled %s",
isKVMEnabled));
+ if (isKVMEnabled) {
+ long size = 0;
+ OutputInterpreter.OneLineParser parser = new
OutputInterpreter.OneLineParser();
+ Script sc = new Script("virsh");
+ sc.add(String.format("qemu-monitor-command %s '{
\"execute\" : \"query-block\" }'", vmName));
Review comment:
@wido libvirt-java is not updated for quite long time.
'virsh' provides more functions.
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