Run Job On Selected Nodes

Description

Runs a job on asked nodes that meet certain processor and memory criteria.

Supported Platforms

Script Code

strClusterName = "localhost" 'Change to name of cluster if not run locally.
intProcessors = 1 'Number of processors required for job
intMemory = 10 'MB of memory required for job
strCommandLine = "mpiexec batchpi"
strWorkDir = "c:\scripts\"
strUsername = "" 'If empty string, script prompts for username.
strPassword = "" 'If empty string, script prompts for password.
blnIsConsole = True 'True = cmd-line, False = GUI
intHandle = 0

Set objComputeCluster = CreateObject("Microsoft.ComputeCluster.Cluster")
objComputeCluster.Connect(strClusterName)
WScript.Echo "Compute Cluster Name: " & objComputeCluster.Name & vbCrLf & _
 "Node criteria:" & vbCrLf & _
 "  Number of processors: "  & intProcessors & vbCrLf & _
 "  Physical memory: "  & intMemory & " MB" & vbCrLf & _
 "Compute Cluster Nodes:"
Set colNodes = objComputeCluster.ComputeNodes
strSelectedNodes = ""
For Each objNode In colNodes
  If objNode.NumberOfProcessors >= intProcessors And _
   objNode.Memory >= intMemory And _
   objNode.Status = 0 Then 'Node is Ready.
    WScript.Echo vbCrLf & "  Name: " & objNode.Name & vbCrLf & _
     "    Number of Processors: " & objNode.NumberOfProcessors & vbCrLf & _
     "    Memory: " & objNode.Memory & " MB"
    strSelectedNodes = strSelectedNodes & objNode.Name & ","
  Else
    WScript.Echo vbCrLf & "  Name: " & objNode.Name & vbCrLf & _
     "    Node does not meet criteria."
  End If
Next

If strSelectedNodes <> "" Then
  If Right(strSelectedNodes, 1) = "," Then
    strSelectedNodes = Left(strSelectedNodes, Len(strSelectedNodes) - 1)
  End If
  Set objJob = objComputeCluster.CreateJob
  objJob.Name = "Test-" & Date & "-" & Time
  objJob.AskedNodes = strSelectedNodes
  objJob.MaximumNumberOfProcessors = intProcessors
  objJob.MinimumNumberOfProcessors = intProcessors
  objJob.Priority = 2
  objJob.IsExclusive = False
  intJobID = objComputeCluster.AddJob((objJob))
  WScript.Echo "Job ID: " & intJobID
  Set objTask = objComputeCluster.CreateTask
  objTask.Name = "Task1"
  objTask.CommandLine = strCommandLine
  objTask.Stdout = strWorkDir & strNode & "-Task1Out.txt"
  objTask.Stderr = strWorkDir & strNode & "-Task1Err.txt"
  objTask.WorkDirectory = strWorkDir
  intTaskID = objComputeCluster.AddTask(objJob.ID, (objTask))
  WScript.Echo "Task ID: " & intTaskID
  objComputeCluster.SubmitJob intJobID, strUsername, strPassword, _
   blnIsConsole, intHandle
  WScript.Echo vbCrLf & "Submitted Job: " & intJobID & " " & objJob.Name & _
   " on the following nodes:"
  arrNodes = Split(strSelectedNodes, ",")
  For Each strNode In arrNodes
    WScript.Echo "  " & strNode
  Next
Else
  WScript.Echo vbCrLf & "No nodes met criteria. Job not submitted."
End If

For online peer support, join The Official Scripting Guys Forum!. To provide feedback or report bugs in sample scripts or the Scripting Guide, please contact scripter@microsoft.com.

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.

Top of page