Uplink Port and Network Connection Discovery

Microsoft.SystemCenter.VirtualMachineManager.UplinkPort.DiscoveryRule (Discovery)

Uplink Port discovery for Virtual Switches and their connection with computer network adapters.

Element properties:

Object Discovery Details:

Member Modules:

Source Code:

<Discovery ID="Microsoft.SystemCenter.VirtualMachineManager.UplinkPort.DiscoveryRule" Enabled="true" Target="VMMBase!Microsoft.SystemCenter.VirtualMachineManager.Network.VSwitch">

  <Category>Discovery</Category>

  <DiscoveryTypes>

    <DiscoveryClass TypeID="Microsoft.SystemCenter.VirtualMachineManager.Network.Discovery.UplinkPort"/>

  </DiscoveryTypes>

  <DataSource ID="DS" TypeID="Windows!Microsoft.Windows.TimedPowerShell.DiscoveryProvider">

    <IntervalSeconds>1800</IntervalSeconds>

    <SyncTime/>

    <ScriptName>PowerShellScript</ScriptName>

    <ScriptBody><Script>

$evt = New-Object System.Diagnostics.Eventlog("Application");

$evt.Source = "Microsoft.SystemCenter.VirtualMachineManager.UplinkPort.Discovery";

$infoevent = [System.Diagnostics.EventLogEntryType]::Information;

$errevent = [System.Diagnostics.EventLogEntryType]::Error;

$DeviceIdNotFoundErrorCode = 25975

$DiscoverySuccessCode = 25976



# Create a new discovery data packet 

$oAPI = new-object -comObject "MOM.ScriptAPI"

$Discovery = $oAPI.CreateDiscoveryData(0, "$MPElement$", "$Target/Id$")

$HostName = "$Target/Property[Type="VMMBase!Microsoft.SystemCenter.VirtualMachineManager.Network.VSwitch"]/HostName$"

$SwitchName = "$Target/Property[Type="VMMBase!Microsoft.SystemCenter.VirtualMachineManager.Network.VSwitch"]/SwitchName$"

$VMMId = "$Target/Host/Property[Type="VMMBase!Microsoft.SystemCenter.VirtualMachineManager.VMHost"]/VMMId$"

$AdapterId = "$Target/Property[Type="VMMBase!Microsoft.SystemCenter.VirtualMachineManager.Network.VSwitch"]/AdapterId$"



#Query the local physical Nics with the adapter id

$WmiObj = gwmi -Query "Select * from Win32_NetworkAdapter where GUID='$AdapterId'"

if ($WmiObj -ne $null)

{

    $DeviceId = $WmiObj.DeviceID



    $UplinkDisplayName = "Uplink - " + $SwitchName

    $ConnectionDisplayName = "Connection with " + $SwitchName



    Write-Verbose "Creating Uplink Port for Switch : $UplinkDisplayName"



    $UplinkPortInstance = $Discovery.CreateClassInstance("$MPElement[Name='Microsoft.SystemCenter.VirtualMachineManager.Network.Discovery.UplinkPort']$")

    $UplinkPortInstance.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/PrincipalName$", $HostName)

    $UplinkPortInstance.AddProperty("$MPElement[Name='VMMBase!Microsoft.SystemCenter.VirtualMachineManager.Network.VSwitch']/SwitchName$", $SwitchName)

    $UplinkPortInstance.AddProperty("$MPElement[Name='VMMBase!Microsoft.SystemCenter.VirtualMachineManager.VMHost']/VMMId$", $VMMId)

    $UplinkPortInstance.AddProperty("$MPElement[Name='VMMBase!Microsoft.SystemCenter.VirtualMachineManager.Network.VirtualNetworkAdapter']/DeviceId$", $DeviceId)

    $UplinkPortInstance.AddProperty("$MPElement[Name='System!System.Entity']/DisplayName$", $UplinkDisplayName)

    $Discovery.AddInstance($UplinkPortInstance)



    $NetworkConnectionInstance = $Discovery.CreateClassInstance("$MPElement[Name='SystemNetLib!System.NetworkManagement.NetworkConnection']$")

    $NetworkConnectionInstance.AddProperty("$MPElement[Name='SystemNetLib!System.NetworkManagement.Connection']/Key$", $HostName + "_" + $SwitchName + "_" + $DeviceId)

    $NetworkConnectionInstance.AddProperty("$MPElement[Name='SystemNetLib!System.NetworkManagement.Connection']/Description$", $ConnectionDisplayName)

    $NetworkConnectionInstance.AddProperty("$MPElement[Name='System!System.Entity']/DisplayName$", $ConnectionDisplayName)

    $Discovery.AddInstance($NetworkConnectionInstance)



    $NetworkAdapterInstance = $Discovery.CreateClassInstance("$MPElement[Name='Windows!Microsoft.Windows.ComputerNetworkAdapter']$")

    $NetworkAdapterInstance.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.ComputerNetworkAdapter']/DeviceID$", $DeviceId)

    $NetworkAdapterInstance.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/PrincipalName$", $HostName)

    $Discovery.AddInstance($NetworkAdapterInstance)



    $NWConnectionContainsUplinkPortRelationship = $Discovery.CreateRelationshipInstance("$MPElement[Name='SystemNetLib!System.NetworkManagement.NetworkConnectionConnectedToNetworkAdapter']$")

    $NWConnectionContainsUplinkPortRelationship.Source = $NetworkConnectionInstance

    $NWConnectionContainsUplinkPortRelationship.Target = $UplinkPortInstance

    $Discovery.AddInstance($NWConnectionContainsUplinkPortRelationship)



    $NWConnectionContainsPNICRelationship = $Discovery.CreateRelationshipInstance("$MPElement[Name='SystemNetLib!System.NetworkManagement.NetworkConnectionConnectedToNetworkAdapter']$")

    $NWConnectionContainsPNICRelationship.Source = $NetworkConnectionInstance

    $NWConnectionContainsPNICRelationship.Target = $NetworkAdapterInstance

    $Discovery.AddInstance($NWConnectionContainsPNICRelationship)

}

else

{

    $evt.WriteEntry("DeviceId info not found for switch: " + $SwitchName, $infoevent, $DeviceIdNotFoundErrorCode);

}

# Return the discovery data 

$Discovery

</Script></ScriptBody>

    <SnapIns/>

    <Parameters/>

    <TimeoutSeconds>120</TimeoutSeconds>

    <StrictErrorHandling>true</StrictErrorHandling>

  </DataSource>

</Discovery>