public SyntheticEthernetPortSettingData(System.Management.ManagementScope mgmtScope, string keyInstanceID)
{
this.InitializeObject(((System.Management.ManagementScope)(mgmtScope)), new System.Management.ManagementPath(SyntheticEthernetPortSettingData.ConstructPath(keyInstanceID)), null);
}
/// <summary>
/// Create a (synthetic) nic, and attach it to the vm
/// </summary>
/// <param name="vm"></param>
/// <param name="mac"></param>
/// <param name="vlan"></param>
/// <returns></returns>
public static SyntheticEthernetPortSettingData CreateNICforVm(ComputerSystem vm, string mac, string vlan)
{
logger.DebugFormat("Creating nic for VM {0} (GUID {1})", vm.ElementName, vm.Name);
// Obtain controller for Hyper-V networking subsystem
VirtualSwitchManagementService vmNetMgmtSvc = GetVirtualSwitchManagementService();
// Create NIC resource by cloning the default NIC
var synthNICsSettings = SyntheticEthernetPortSettingData.GetInstances(vmNetMgmtSvc.Scope, "InstanceID LIKE \"%Default\"");
// Assert
if (synthNICsSettings.Count != 1)
{
var errMsg = string.Format("Internal error, coudl not find default SyntheticEthernetPort instance");
var ex = new WmiException(errMsg);
logger.Error(errMsg, ex);
throw ex;
}
var defaultSynthNICSettings = synthNICsSettings.OfType<SyntheticEthernetPortSettingData>().First();
var newSynthNICSettings = new SyntheticEthernetPortSettingData((ManagementBaseObject)defaultSynthNICSettings.LateBoundObject.Clone());
// Get the virtual switch
VirtualSwitch vSwitch = GetExternalVirtSwitch();
// Crate switch port for new VM
ManagementPath newSwitchPath = CreateSwitchPortForVm(vm, vmNetMgmtSvc, vSwitch);
// Add required VLAND support
if (vlan != null)
{
SetPortVlan(vlan, vmNetMgmtSvc, newSwitchPath);
}
logger.DebugFormat("Created switch port {0} on switch {1}", newSwitchPath.Path, vSwitch.Path.Path);
// Assign configuration to new NIC
string normalisedMAC = string.Join("", (mac.Split(new char[] { ':' })));
newSynthNICSettings.LateBoundObject["Connection"] = new string[] { newSwitchPath.Path };
newSynthNICSettings.LateBoundObject["ElementName"] = vm.ElementName;
newSynthNICSettings.LateBoundObject["Address"] = normalisedMAC;
newSynthNICSettings.LateBoundObject["StaticMacAddress"] = "TRUE";
newSynthNICSettings.LateBoundObject["VirtualSystemIdentifiers"] = new string[] { "{" + Guid.NewGuid().ToString() + "}" };
newSynthNICSettings.CommitObject();
// Insert NIC into vm
string[] newResources = new string[] { newSynthNICSettings.LateBoundObject.GetText(System.Management.TextFormat.CimDtd20)};
ManagementPath[] newResourcePaths = AddVirtualResource(newResources, vm );
// assert
if (newResourcePaths.Length != 1)
{
var errMsg = string.Format(
"Failed to properly insert a single NIC on VM {0} (GUID {1}): number of resource created {2}",
vm.ElementName,
vm.Name,
newResourcePaths.Length);
var ex = new WmiException(errMsg);
logger.Error(errMsg, ex);
throw ex;
}
return new SyntheticEthernetPortSettingData(newResourcePaths[0]);
}
