// Gets the Msvm_ComputerSystem instance that matches the requested virtual machine name.
private ManagementObject GetVirtualMachine(ManagementScope scope, string name)
{
string query = $"SELECT * FROM Msvm_ComputerSystem WHERE ElementName = \"{name}\"";
var data = WmiRoutines.WmiQuery(scope, query);
var result = WmiRoutines.GetFirstObjectFromCollection(data);
if (result == null)
{
throw new Exception($"Could not find virtual machine with name \"{name}\"");
}
return(result);
}
public bool ExportVirtualSystem(VirtualMachine virtualMachine, SnapshotExport snapshotExport)
{
virtualMachine.ExportPercentComplete = 0;
bool exportSuccess = true;
var scope = WmiRoutines.GetScope(WmiRoutines.NAMESPACE_HYPER_V);
using (ManagementObject virtualSystemService = WmiRoutines.GetServiceObject(scope, "Msvm_VirtualSystemManagementService"))
using (ManagementObject srv = GetVirtualMachine(scope, virtualMachine.Name))
using (ManagementBaseObject inParams = virtualSystemService.GetMethodParameters("ExportSystemDefinition"))
{
if (!Directory.Exists(virtualMachine.ExportPath))
{
Directory.CreateDirectory(virtualMachine.ExportPath);
}
ManagementPath settingPath = new ManagementPath("Msvm_VirtualSystemExportSettingData");
using (ManagementClass exportSettingDataClass = new ManagementClass(scope, settingPath, null))
using (ManagementObject exportSettingData = exportSettingDataClass.CreateInstance())
{
exportSettingData["CopySnapshotConfiguration"] = snapshotExport;
exportSettingData["CopyVmRuntimeInformation"] = true;
exportSettingData["CopyVmStorage"] = true;
exportSettingData["CreateVmExportSubdirectory"] = true;
string settingData = exportSettingData.GetText(TextFormat.CimDtd20);
inParams["ComputerSystem"] = srv.Path.Path;
inParams["ExportDirectory"] = virtualMachine.ExportPath;
inParams["ExportSettingData"] = settingData;
}
using (ManagementBaseObject outParams = virtualSystemService.InvokeMethod("ExportSystemDefinition",
inParams, null))
{
exportSuccess = ValidateOutput(virtualMachine, outParams, scope, false, true);
}
}
virtualMachine.ExportPercentComplete = 100;
return(exportSuccess);
}
