Const EVENT_ID_SUCCESS = 1000 'Use IDs in the range 1 - 1000
Const EVENT_ID_SCRIPTERROR = 999 'Then you can use eventcreate.exe to test the MP
'Scripting.FileSystemObject constants
Const FOR_READING = 1 'Open a file for reading only. You can't write to this file.
Const FOR_WRITING = 2 'Open a file for writing.
Const FOR_APPENDING = 8 'Open a file and write to the end of the file.
'Global vars
Dim mblnLogSuccessEvent 'As Boolean
Dim mstrIdentifier 'As String
Call Main
'*********************************************************************************************
' PROCEDURE: Main
' DESCRIPTION: Reads the script parameters and creates the cluster disk monitoring data.
' PARAMETERS: void
'*********************************************************************************************
Private Sub Main()
' Targeted at Microsoft.Windows.Cluster.VirtualServer (based on Microsoft.Windows.Server.Computer)
Dim objFSO 'As Scripting.FileSystemObject
Dim boolNoMonitoredClusterDiskAvailable
Dim strTargetComputer 'As String '= oArgs(6)
Dim strClusterName 'As String '= oArgs(7)
Dim objMomScriptAPI 'As MOM.ScriptAPI
Dim objDiscoveryData 'As DiscoveryData
Dim blnSuccess 'As Boolean
Call SetLocale("en-us")
Set objMomScriptAPI = CreateObject("MOM.ScriptAPI")
If Not GetScriptParameters(strTargetComputer, strClusterName) Then
' If the script is called without the required arguments,
' create an information event and then quit.
Call objMomScriptAPI.LogScriptEvent(WScript.ScriptName, EVENT_ID_SCRIPTERROR, EVENT_TYPE_WARNING, "-- Cluster Disks Monitoring Script -- The script was called with fewer than four arguments or the arguments could not be parsed.")
WScript.Quit -1
End If
Set objFSO = CreateObject("Scripting.FileSystemObject")
If blnSuccess Then
If mblnLogSuccessEvent Then Call objMomScriptAPI.LogScriptEvent(WScript.ScriptName, EVENT_ID_SUCCESS, EVENT_TYPE_INFORMATION, "-- Cluster Disks Monitoring Script -- Script executed successfully.")
Else
Call objMomScriptAPI.LogScriptEvent(WScript.ScriptName, EVENT_ID_SCRIPTERROR, EVENT_TYPE_WARNING, "-- Cluster Disks Monitoring Script -- An error occurred while running script")
End If
'Return the typed property bags
If blnSuccess = true and boolNoMonitoredClusterDiskAvailable = false Then
Call objMomScriptAPI.ReturnItems
else
If blnSuccess = true and boolNoMonitoredClusterDiskAvailable = true Then
CreateEmptyTypedPropertyBag(objMomScriptAPI)
Call objMomScriptAPI.ReturnItems
end If
end If
End Sub
'****************************************************************************************************************
' FUNCTION: GetRegistryKeyValue
' DESCRIPTION: Get Registry Key value.
' PARAMETERS: IN String keyPath: Path to search in registry.
' IN String Key: key to return value from
' RETURNS: string: Value if successful
'****************************************************************************************************************
Function GetRegistryKeyValue(ByVal keyPath, ByVal key)
Dim oReg, strKeyValue
Set oReg = CreateObject("WScript.Shell")
On Error Resume Next
strKeyValue = oReg.RegRead(keyPath & key)
If Err.Number <> 0 Then
Call objMomScriptAPI.LogScriptEvent(WScript.ScriptName, EVENT_ID_SCRIPTERROR, EVENT_TYPE_ERROR, "An error occurred while reading the registry: '" & keyPath & key & "'" & Err.Description)
strKeyValue = ""
End If
' resume error
On Error Goto 0
GetRegistryKeyValue = strKeyValue
End Function
'****************************************************************************************************************
' FUNCTION: MonitorClusterDisks
' DESCRIPTION: Creates monitoring data for all instances of the class 'Microsoft.Windows.Server.ClusterDisksMonitoring.ClusterDisk' using WMI.
' PARAMETERS: IN String strTargetComputer: principal name of the targeted 'Microsoft.Windows.Cluster.VirtualServer' instance.
' IN String strClusterName: the cluster containing the cluster shared volume
' RETURNS: Boolean: True if successful
'****************************************************************************************************************
Private Function MonitorClusterDisks(ByRef strTargetComputer, ByRef strClusterName, ByRef objMomScriptAPI, ByRef boolNoMonitoredClusterDiskAvailable) 'As Boolean
Dim objMSClusterSWbemServices 'As SWbemServices
Dim objClusterResources 'As SWbemObject
Dim objClusterResource 'As SWbemObject
Dim objClusterDisk 'As SWbemObject
Dim objClusterDiskPartition 'As SWbemObject
Dim blnSuccess 'As Boolean
Dim strOSVersion
Dim strWMIQuery
Dim InstancesCount
InstancesCount = 0
'Connect to WMI NS \\.\root\MSCluster
If ConnectToWbemNS(".", WMI_MSCLUSTER_NAMESPACE, objMSClusterSWbemServices) Then
On Error Resume Next
blnSuccess = true
strOSVersion = GetRegistryKeyValue("HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\", "CurrentVersion")
'Adding OS Validation to use propert WMI query to get correct instances
'ResourceClass and IsClusterSharedVolume properties are not available in Windows 2008 OS, only 2008 R2 and beyond.
If (strOSVersion = "6.0") Then
strWMIQuery = "select * from " & WMI_MSCLUSTER_CLUSTER_RESOURCE & " where CoreResource = FALSE"
Else
strWMIQuery = "select * from " & WMI_MSCLUSTER_CLUSTER_RESOURCE & " where ResourceClass = 1 and IsClusterSharedVolume = FALSE and CoreResource = FALSE"
End If
Set objClusterResources = objMSClusterSWbemServices.ExecQuery(strWMIQuery)
'Loop through all returned cluster shared volumes
For Each objClusterResource In objClusterResources
'Get the associated disk partition
For Each objClusterDisk In objClusterResource.Associators_(WMI_CLUSTER_RESOURCE_TO_DISK_ASSOCIATOR_CLASS, "", "", "", False, False, "", "", 0)
'Get the associated resource
For Each objClusterDiskPartition In objClusterDisk.Associators_(WMI_CLUSTER_DISKPARTITION_TO_DISK_ASSOCIATOR_CLASS, "", "", "", False, False, "", "", 0)
InstancesCount =+ 1
blnSuccess = CreateMonitoringData(objClusterDisk, objClusterDiskPartition, objClusterResource, _
strTargetComputer, strClusterName, objMomScriptAPI)
Next 'objClusterDiskPartition
Next 'objClusterDisk
Next 'objClusterResource
if InstancesCount > 0 Then
boolNoMonitoredClusterDiskAvailable = false
else
boolNoMonitoredClusterDiskAvailable = true
End If
MonitorClusterDisks = blnSuccess
Else
boolNoMonitoredClusterDiskAvailable = true
MonitorClusterDisks = false
If mblnDebug Then Call mobjDebugLog.WriteLine("Error! Could not connect to WMI namespaces '" & WMI_MSCLUSTER_NAMESPACE & "'.")
End If
End Function
'****************************************************************************************************************
' FUNCTION: CreateMonitoringData
' DESCRIPTION: Create monitoring data for a cluster shared volume.
'
' PARAMETERS: IN Object objClusterResource: the cluster disks as SWbemObject of type MSCluster_Disk.
' IN Object objClusterDiskPartition: the associated disk partition as SWbemObject of type MSCluster_DiskPartition.
' IN Object objClusterResource: the associated cluster resource as SWbemObject of type MSCluster_Resource.
' IN String strTargetComputer: the principal name of the targeted cluster virtual server hosting the cluster shared volume,
' i.e. the cluster name and not the current owner!
' IN String strClusterName: the cluster containing the cluster shared volume
' RETURNS: Boolean: True if successful
'****************************************************************************************************************
Private Function CreateMonitoringData(ByRef objClusterDisk, ByRef objClusterDiskPartition, ByRef objClusterResource, _
ByRef strTargetComputer, ByRef strClusterName, ByRef objMomScriptAPI) 'As Boolean
'Create performance data
Dim strPartitionName 'As String
strPartitionName = objClusterResource.Properties_(WMI_NAME_PROPERTY_NAME) & "_" & objClusterDiskPartition.Properties_(WMI_PATH_PROPERTY_NAME)
'******************************************************************************
' FUNCTION: GetScriptParameters
' DESCRIPTION: Reads the script's parameters
' and sets the global variables.
'
' PARAMETERS: OUT String strTargetComputer: Principal name of executing computer
' (-Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/PrincipalName-)
' OUT String strClusterName: Cluster name
' RETURNS: Boolean: True if successful
'******************************************************************************
Private Function GetScriptParameters(ByRef strTargetComputer, ByRef strClusterName) 'As Boolean
Dim objArguments
On Error Resume Next
'cmdline: <script> True|False <path to debug log> True|False <script id> .MPElement. .Target/Id. .Target/Property[Name="Windows!Microsoft.Windows.Computer"]/PrincipalName.
Set objArguments = WScript.Arguments
If objArguments.Count < 4 Then Exit Function
'Get parameters and set global variables
mblnLogSuccessEvent = CBool(objArguments(0))
mstrIdentifier = Replace(objArguments(1), Chr(34), "")
strTargetComputer = Replace(objArguments(2), Chr(34), "")
strClusterName = Replace(objArguments(3), Chr(34), "")
If Len(strTargetComputer) > 0 And Len(strClusterName) > 0 Then GetScriptParameters = True
End Function
'******************************************************************************
' FUNCTION: ConnectToWbemNs
' DESCRIPTION: Connects to a WMI namespace
' PARAMETERS: IN String strServerName: name of the computer. If empty the local computer will be used.
' IN String strNameSpace: WMI namespace
' OUT Object objSWbemServices: WbemScripting.SWbemServices object connected to the given
' namespace on the given server
' RETURNS: Boolean: True if successful
'******************************************************************************
Private Function ConnectToWbemNS(ByRef strServerName, ByRef strNameSpace, ByRef objSWbemServices) 'As Boolean
Dim objSWbemLocator 'as WbemScripting.SWbemLocator
'Create a new WMI Locator object
Set objSWbemLocator = CreateObject("WbemScripting.SWbemLocator")
'Connect to WMI namespace on strServerName computer and create WMI Services object
Set objSWbemServices = objSWbemLocator.ConnectServer(strServerName, strNameSpace)
'Connect to WMI namespace on strServerName computer with alternative credentials and create WMI Services object
'Set objSWbemServices = objSWbemLocator.ConnectServer(strServerName, strNameSpace, strUserName, strPassWd)
'If object is initialised function will be successful
If objSWbemServices Is Nothing Then ConnectToWbemNS = False Else ConnectToWbemNS = True
End Function
'***************************************************************************************
' PROCEDURE: CreatePerformanceTypedPropertyBag
' DESCRIPTION: Generates a performance typed property bag and adds it to the script's XML output.
' PARAMETERS: IN String strObjectName: name of the performance object
' IN String strCounterName: name of the performance counter
' IN String strInstanceName: name of the performance counter in instance
' IN Variant varValue: value of the performance counter
' IN String strCSVInstanceName: Friendly volume name of the cluster shared volume
' IN Object objMomScriptAPI: initialised MOM.ScriptAPI object
'***************************************************************************************
Sub CreatePerformanceTypedPropertyBag(ByRef strObjectName, ByRef strCounterName, ByRef strInstanceName, _
ByRef varValue, ByRef strCSVInstanceName, ByRef objMomScriptAPI)
Dim objTypedPropertyBag 'As MOM.ScriptAPI.TypedPropertyBag
'Create a new typed property bag of the performance data type
Set objTypedPropertyBag = objMomScriptAPI.CreateTypedPropertyBag(PERFORMANCE_DATA_TYPE)
'Add the values for the perf counter's object name, counter name, instance name and the value)
Call objTypedPropertyBag.AddValue(PERFORMANCE_OBJECT_NAME, CStr(strObjectName))
Call objTypedPropertyBag.AddValue(PERFORMANCE_COUNTER_NAME, CStr(strCounterName))
Call objTypedPropertyBag.AddValue(PERFORMANCE_INSTANCE_NAME, CStr(strInstanceName))
Call objTypedPropertyBag.AddValue(PERFORMANCE_VALUE_NAME, CStr(varValue))
'Necessary information for the property bag data source filter condition
'to enable Agent cook down
Call objTypedPropertyBag.AddValue(INSTANCE_NAME, CStr(strCSVInstanceName))
'Add the property bag to the script's XML output
Call objMomScriptAPI.AddItem(objTypedPropertyBag)
End Sub
'***************************************************************************************
' PROCEDURE: CreateEmptyTypedPropertyBag
' DESCRIPTION: Generates a empty performance typed property bag and adds it to the script's XML output.
' PARAMETERS: IN Object objMomScriptAPI: initialised MOM.ScriptAPI object
'***************************************************************************************
Sub CreateEmptyTypedPropertyBag(ByRef objMomScriptAPI)
Dim objTypedPropertyBag 'As MOM.ScriptAPI.TypedPropertyBag
'Create a new typed property bag of the performance data type
Set objTypedPropertyBag = objMomScriptAPI.CreateTypedPropertyBag(PERFORMANCE_DATA_TYPE)