List Compute Clusters In Active Directory Container

Description

Lists all Compute Cluster Server head nodes in an Active Directory container recursively. For a full explanation of how this script works, see the article Two, Three, Many Compute Clusters: Finding Clusters in Active Directory.

Supported Platforms

Script Code

Const ADS_SCOPE_SUBTREE = 2
strContainer = "CN=computers,DC=fabrikam,DC=com" 'Change to actual container.
strObjectCategory = "ServiceConnectionPoint"
strServiceClassName = "MicrosoftComputeCluster"

Set objConnection = CreateObject("ADODB.Connection")
Set objCommand = CreateObject("ADODB.Command")
objConnection.Provider = ("ADsDSOObject")
objConnection.Open "Active Directory Provider"
objCommand.ActiveConnection = objConnection
objCommand.Properties("Page Size") = 1000
objCommand.Properties("Searchscope") = ADS_SCOPE_SUBTREE
objCommand.Properties("Sort On") = "cn"
objCommand.CommandText = _ 
 "SELECT serviceClassName,servicednsname FROM 'LDAP://" & _
 strContainer & "' " & _
 "WHERE objectCategory = '" & strObjectCategory & "' " & _
 "AND serviceClassName = '" & strServiceClassName & "'"
Set objRecordSet = objCommand.Execute
WScript.Echo "Searching AD container: " & strContainer & " ..."
Set objComputeCluster = CreateObject("Microsoft.ComputeCluster.Cluster")

If Not objRecordSet.EOF Then
  objRecordSet.MoveFirst 
  Do Until objRecordSet.EOF
    strClusterDnsName = objRecordSet.Fields("servicednsname").Value
    Wscript.Echo vbCrLf & "Cluster DNS Name: " & strClusterDnsName
    strClusterName = Left(strClusterDnsName, _
     (InStr(strClusterDnsName, ".") - 1))
    Wscript.Echo "Cluster Host Name: " & strClusterName
    objComputeCluster.Connect(strClusterName)
    WScript.Echo "Compute Cluster Name: " & objComputeCluster.Name
    WScript.Echo "Server calls asynchronous: " & _
     objComputeCluster.IsAsynchronous
    WScript.Echo "Compute Cluster Environment Variables:"
    Set colEnvVars = objComputeCluster.EnvironmentVariables
    For Each objEnvVar In colEnvVars
      WScript.Echo "  " & objEnvVar.Name & " = " & objEnvVar.Value
    Next
    WScript.Echo "Compute Cluster Parameters:"
    Set colParams = objComputeCluster.Parameters
    For Each objParam In colParams
      WScript.Echo "  " & objParam.Name & " = " & objParam.Value
    Next
    WScript.Echo "Compute Cluster Nodes:"
    Set colNodes = objComputeCluster.ComputeNodes
    For Each objNode In colNodes
      WScript.Echo "  Node: " & objNode.Name
      WScript.Echo "    Number of Processors: " & objNode.NumberOfProcessors
      WScript.Echo "    Processor Architecture: " & _
       objNode.ProcessorArchitecture
      WScript.Echo "    Processor Speed: " & objNode.ProcessorSpeed & " MHz"
      WScript.Echo "    Memory: " & objNode.Memory & " MB"
      strStatus = ""
      Select Case objNode.Status
        Case 0 strStatus = "Ready"
        Case 1 strStatus = "Paused"
        Case 2 strStatus = "Unreachable"
        Case 3 strStatus = "Pending Approval"
        Case Else strStatus = "Status unobtainable"
      End Select
      WScript.Echo "    Status: " & strStatus
    Next
    objRecordSet.MoveNext 
  Loop 
Else
  Wscript.Echo "No records found."
End If

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Disclaimer

The sample scripts are not supported under any Microsoft standard support program or service. The sample scripts are provided AS IS without warranty of any kind. Microsoft further disclaims all implied warranties including, without limitation, any implied warranties of merchantability or of fitness for a particular purpose. The entire risk arising out of the use or performance of the sample scripts and documentation remains with you. In no event shall Microsoft, its authors, or anyone else involved in the creation, production, or delivery of the scripts be liable for any damages whatsoever (including, without limitation, damages for loss of business profits, business interruption, loss of business information, or other pecuniary loss) arising out of the use of or inability to use the sample scripts or documentation, even if Microsoft has been advised of the possibility of such damages.

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