ConnectVmToSwitch(
string virtualMachineName,
string switchName)
{
ManagementScope scope = new ManagementScope(@"root\virtualization\v2");
using (ManagementObject managementService = WmiUtilities.GetVirtualMachineManagementService(scope))
//
// Find the Ethernet switch we want to connect to.
//
using (ManagementObject ethernetSwitch = NetworkingUtilities.FindEthernetSwitch(switchName, scope))
//
// Find the virtual machine we want to connect.
//
using (ManagementObject virtualMachine = WmiUtilities.GetVirtualMachine(virtualMachineName, scope))
//
// Get the virtual machine's settings object which is used to make configuration changes.
//
using (ManagementObject virtualMachineSettings = WmiUtilities.GetVirtualMachineSettings(virtualMachine))
//
// Add a new synthetic Network Adapter device to the virtual machine.
//
using (ManagementObject syntheticAdapter = NetworkingUtilities.AddSyntheticAdapter(virtualMachine, scope))
//
// Now that we have added a network adapter to the virtual machine we can configure its
// connection settings.
//
using (ManagementObject connectionSettingsToAdd =
NetworkingUtilities.GetDefaultEthernetPortAllocationSettingData(scope))
{
connectionSettingsToAdd["Parent"] = syntheticAdapter.Path.Path;
connectionSettingsToAdd["HostResource"] = new string[] { ethernetSwitch.Path.Path };
//
// Now add the connection settings.
//
using (ManagementBaseObject addConnectionInParams =
managementService.GetMethodParameters("AddResourceSettings"))
{
addConnectionInParams["AffectedConfiguration"] = virtualMachineSettings.Path.Path;
addConnectionInParams["ResourceSettings"] =
new string[] { connectionSettingsToAdd.GetText(TextFormat.WmiDtd20) };
using (ManagementBaseObject addConnectionOutParams =
managementService.InvokeMethod("AddResourceSettings", addConnectionInParams, null))
{
WmiUtilities.ValidateOutput(addConnectionOutParams, scope);
}
}
}
Console.WriteLine(string.Format(CultureInfo.CurrentCulture,
"Successfully connected virtual machine '{0}' to switch '{1}'.",
virtualMachineName, switchName));
}
ConnectVmUsingResourcePool(
string virtualMachineName,
string resourcePoolName)
{
ManagementScope scope = new ManagementScope(@"root\virtualization\v2");
using (ManagementObject managementService = WmiUtilities.GetVirtualMachineManagementService(scope))
//
// Find the virtual machine we want to connect.
//
using (ManagementObject virtualMachine = WmiUtilities.GetVirtualMachine(virtualMachineName, scope))
//
// As a sanity check, verify that the specified resource pool exists by querying for it.
//
using (ManagementObject resourcePool = WmiUtilities.GetResourcePool(
"33",
"Microsoft:Hyper-V:Ethernet Connection",
resourcePoolName,
scope))
//
// Get the virtual machine's settings object which is used to make configuration changes.
//
using (ManagementObject virtualMachineSettings = WmiUtilities.GetVirtualMachineSettings(virtualMachine))
//
// Add a new synthetic Network Adapter device to the virtual machine.
//
using (ManagementObject syntheticAdapter = NetworkingUtilities.AddSyntheticAdapter(virtualMachine, scope))
//
// Now that we have added a network adapter to the virtual machine, we can configure its
// connection settings.
//
using (ManagementObject connectionSettingsToAdd =
NetworkingUtilities.GetDefaultEthernetPortAllocationSettingData(scope))
{
connectionSettingsToAdd["Parent"] = syntheticAdapter.Path.Path;
//
// Rather than specifying which switch to connect to, we specify which pool to look in.
//
connectionSettingsToAdd["PoolId"] = resourcePoolName;
//
// Now add the connection settings.
//
using (ManagementBaseObject addConnectionInParams =
managementService.GetMethodParameters("AddResourceSettings"))
{
addConnectionInParams["AffectedConfiguration"] = virtualMachineSettings.Path.Path;
addConnectionInParams["ResourceSettings"] =
new string[] { connectionSettingsToAdd.GetText(TextFormat.WmiDtd20) };
using (ManagementBaseObject addConnectionOutParams =
managementService.InvokeMethod("AddResourceSettings", addConnectionInParams, null))
{
WmiUtilities.ValidateOutput(addConnectionOutParams, scope);
}
}
}
Console.WriteLine(string.Format(CultureInfo.CurrentCulture,
"Successfully created dynamic connection from virtual machine '{0}' to resource pool '{1}'.",
virtualMachineName, resourcePoolName));
}