[GitHub] [cloudstack] weizhouapache commented on a change in pull request #3724: Storage-based Snapshots for KVM VMs

[GitBox <gi...@apache.org>]

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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