/// <summary>
/// Deprecated
/// </summary>
/// <param name="nic"></param>
/// <returns></returns>
public static SwitchPort GetSwitchPort(SyntheticEthernetPort nic)
{
// An ASSOCIATOR object provides the cross reference between WMI objects,
// but generated wrappers do not expose a ASSOCIATOR OF query as a method.
// Instead, we use the System.Management to code the equivalant of
// string query = string.Format( "ASSOCIATORS OF {{{0}}} WHERE ResultClass = {1}", wmiObject.path, resultclassName);
//
var wmiObjQuery = new RelatedObjectQuery(nic.Path.Path, VmLANEndpoint.CreatedClassName);
// NB: default scope of ManagementObjectSearcher is '\\.\root\cimv2', which does not contain
// the virtualisation objects.
var wmiObjectSearch = new ManagementObjectSearcher(nic.Scope, wmiObjQuery);
var wmiObjCollection = new VmLANEndpoint.VmLANEndpointCollection(wmiObjectSearch.Get());
// assert
if (wmiObjCollection.Count < 1)
{
var errMsg = string.Format("No VmLANEndpoint for external NIC {0} on Hyper-V server", nic.Name);
var ex = new WmiException(errMsg);
logger.Error(errMsg, ex);
throw ex;
}
VmLANEndpoint vmEndPoint = wmiObjCollection.OfType<VmLANEndpoint>().First();
var switchPortQuery = new RelatedObjectQuery(vmEndPoint.Path.Path, SwitchPort.CreatedClassName);
var switchPortSearch = new ManagementObjectSearcher(nic.Scope, switchPortQuery);
var switchPortCollection = new SwitchPort.SwitchPortCollection(switchPortSearch.Get());
// assert
if (switchPortCollection.Count < 1)
{
var errMsg = string.Format("No SwitchPort for external NIC {0} on Hyper-V server", nic.Name);
var ex = new WmiException(errMsg);
logger.Error(errMsg, ex);
throw ex;
}
SwitchPort switchPort = wmiObjCollection.OfType<SwitchPort>().First();
return switchPort;
}
/// <summary>
/// External VSwitch has an external NIC, and we assume there is only one external NIC
/// </summary>
/// <param name="vmSettings"></param>
/// <returns></returns>
/// <throw>Throws if there is no vswitch</throw>
public static VirtualSwitch GetExternalVirtSwitch()
{
// Work back from the first *bound* external NIC we find.
var externNICs = ExternalEthernetPort.GetInstances("IsBound = TRUE");
if (externNICs.Count == 0 )
{
var errMsg = "No ExternalEthernetPort available to Hyper-V";
var ex = new WmiException(errMsg);
logger.Error(errMsg, ex);
throw ex;
}
ExternalEthernetPort externNIC = externNICs.OfType<ExternalEthernetPort>().First();
// A sequence of ASSOCIATOR objects need to be traversed to get from external NIC the vswitch.
// We use ManagementObjectSearcher objects to execute this sequence of questions
// NB: default scope of ManagementObjectSearcher is '\\.\root\cimv2', which does not contain
// the virtualisation objects.
var endpointQuery = new RelatedObjectQuery(externNIC.Path.Path, SwitchLANEndpoint.CreatedClassName);
var endpointSearch = new ManagementObjectSearcher(externNIC.Scope, endpointQuery);
var endpointCollection = new SwitchLANEndpoint.SwitchLANEndpointCollection(endpointSearch.Get());
// assert
if (endpointCollection.Count < 1 )
{
var errMsg = string.Format("No SwitchLANEndpoint for external NIC {0} on Hyper-V server", externNIC.Name);
var ex = new WmiException(errMsg);
logger.Error(errMsg, ex);
throw ex;
}
SwitchLANEndpoint endPoint = endpointCollection.OfType<SwitchLANEndpoint>().First();
var switchPortQuery = new RelatedObjectQuery(endPoint.Path.Path, SwitchPort.CreatedClassName);
var switchPortSearch = new ManagementObjectSearcher(externNIC.Scope, switchPortQuery);
var switchPortCollection = new SwitchPort.SwitchPortCollection(switchPortSearch.Get());
// assert
if (switchPortCollection.Count < 1 )
{
var errMsg = string.Format("No SwitchPort for external NIC {0} on Hyper-V server", externNIC.Name);
var ex = new WmiException(errMsg);
logger.Error(errMsg, ex);
throw ex;
}
SwitchPort switchPort = switchPortCollection.OfType<SwitchPort>().First();
var vSwitchQuery = new RelatedObjectQuery(switchPort.Path.Path, VirtualSwitch.CreatedClassName);
var vSwitchSearch = new ManagementObjectSearcher(externNIC.Scope, vSwitchQuery);
var vSwitchCollection = new VirtualSwitch.VirtualSwitchCollection(vSwitchSearch.Get());
// assert
if (vSwitchCollection.Count < 1)
{
var errMsg = string.Format("No virtual switch for external NIC {0} on Hyper-V server", externNIC.Name);
var ex = new WmiException(errMsg);
logger.Error(errMsg, ex);
throw ex;
}
VirtualSwitch vSwitch = vSwitchCollection.OfType<VirtualSwitch>().First();
return vSwitch;
}
