S2D 2016: Virtual Disk Discovery Data Source

Microsoft.Windows.Server.10.0.Storage.StorageSpacesDirect.Discovery.DataSource.VirtualDisk (DataSourceModuleType)

Virtual disk discovery data source.

Element properties:

Member Modules:

Overrideable Parameters:

Source Code:

<DataSourceModuleType ID="Microsoft.Windows.Server.10.0.Storage.StorageSpacesDirect.Discovery.DataSource.VirtualDisk" Accessibility="Internal">

  <Configuration>

    <IncludeSchemaTypes>

      <SchemaType>Windows!Microsoft.Windows.PowerShellSchema</SchemaType>

      <SchemaType>System!System.ExpressionEvaluatorSchema</SchemaType>

    </IncludeSchemaTypes>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="IntervalSeconds" type="xsd:integer"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" maxOccurs="1" name="TimeoutSeconds" type="xsd:integer"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="SyncTime" type="xsd:string"/>

  </Configuration>

  <OverrideableParameters>

    <OverrideableParameter ID="IntervalSeconds" Selector="$Config/IntervalSeconds$" ParameterType="int"/>

    <OverrideableParameter ID="SyncTime" Selector="$Config/SyncTime$" ParameterType="string"/>

    <OverrideableParameter ID="TimeoutSeconds" Selector="$Config/TimeoutSeconds$" ParameterType="int"/>

  </OverrideableParameters>

  <ModuleImplementation Isolation="Any">

    <Composite>

      <MemberModules>

        <DataSource ID="Scheduler" TypeID="System!System.Discovery.Scheduler">

          <Scheduler>

            <SimpleReccuringSchedule>

              <Interval>$Config/IntervalSeconds$</Interval>

              <SyncTime>$Config/SyncTime$</SyncTime>

            </SimpleReccuringSchedule>

            <ExcludeDates/>

          </Scheduler>

        </DataSource>

        <ProbeAction ID="Script" TypeID="Windows!Microsoft.Windows.PowerShellDiscoveryProbe">

          <ScriptName>VirtualDiskDiscoveryDataSourceScript.ps1</ScriptName>

          <ScriptBody><Script>

                  

                  param($ssUniqueId, $serverPrincipalName, $SourceId, $ManagedEntityId)

                  #general variables

#-----------------

$errorActionPreference = 'Stop'

$momAPI = New-Object -comObject 'MOM.ScriptAPI'



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

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



Function AddTraceMessage 

{

    param($message)

    $timeStamp = (get-date -format "HH:mm:ss:fff");

    $script:traceMsg = $script:traceMsg + "`n[" + $timeStamp  + "] " + $message;

}

$script:traceMsg = "";

$msft_namespace = "root\microsoft\windows\storage"

$cluster_namespace = "root\mscluster"

#-----------------

#Copyright (c) Microsoft Corporation. All rights reserved.



$GenericInformationEvent = 8861;

$GenericFailureEvent = 8862;

$scriptName = "VirtualDiskDiscoveryDataSourceScript.ps1"



Function Main

{

    $oDiscoveryData = $momAPI.CreateDiscoveryData(0, $SourceId, $ManagedEntityId);



    if ((DoDiscovery $ssUniqueId $serverPrincipalName $oDiscoveryData) -ne 0)

    {

        $oDiscoveryData = $momAPI.CreateDiscoveryData(0, $SourceId, $ManagedEntityId)

		$oDiscoveryData.IsSnapshot = $false

    }



    $oDiscoveryData

}



Function DoDiscovery

{

    param ([string] $argSSUniqueId, $argPrincipalName, $oDisc)

    $error.Clear()

    $errorCount = 0

	$errorActionPreference = "Stop"

    try

    {

        $storageModule = get-module -name "Storage"

	    if ($storageModule -eq $null)

	    {

		    Import-Module Storage

	    }



        $substorage = Get-StorageSubSystem -UniqueID $argSSUniqueId

    

        if ($substorage -ne $null)

        {

            $associatedVD = @()

            $associatedVD += (Get-CimAssociatedInstance -InputObject $substorage -Association MSFT_StorageSubSystemToVirtualDisk -Namespace $msft_namespace)

            if ($associatedVD -ne $null -and $associatedVD.Count -gt 0)

            {

                foreach ($vDisk in $associatedVD)

                {

                    $vdInstance = $oDisc.CreateClassInstance("$MPElement[Name='Microsoft.Windows.Server.10.0.Storage.StorageSpacesDirect.VirtualDisk']$");

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

                    $vdInstance.AddProperty("$MPElement[Name='MicrosoftStorageLibrary!Microsoft.Storage.Library.Windows.Disk']/UniqueID$", $vDisk.UniqueID)                    

                    $vdInstance.AddProperty("$MPElement[Name='Microsoft.Windows.Server.10.0.Storage.StorageSpacesDirect.VirtualDisk']/FriendlyName$", $vDisk.FriendlyName)

                    $vdInstance.AddProperty("$MPElement[Name='MicrosoftStorageLibrary!Microsoft.Storage.Library.Windows.Disk']/Name$", $vDisk.Name)

                    $vdInstance.AddProperty("$MPElement[Name='System!System.Entity']/DisplayName$", $vDisk.FriendlyName)

                    

                    $oDisc.AddInstance($vdInstance)

                }

            }

        }

        else

        {

            #Can't find Storage SubSystem with the provided UniqueID

            #Throw [System.NullReferenceException] -join("Can't find Storage SubSystem with UniqueID = ", $storageSubSystemUniqueID);

        }

    }

    catch

    {

        $errorCount += $error.Count

        AddTraceMessage -message $_.Exception.Message

    }

    finally

    {

        if ($script:traceMsg -ne $null)

	    {

		    #Debug event

		    $momAPI.LogScriptEvent($scriptName, $GenericInformationEvent, 0, $script:traceMsg);		

	    }



        if ($error -ne $null -and $error.Count -gt 0 -and $error[0] -ne $null)

	    {

		    $momAPI.LogScriptEvent($scriptName, $GenericFailureEvent, 1, $error[0].ToString());

	    }

    }

    return $errorCount

}



Main</Script></ScriptBody>

          <Parameters>

            <Parameter>

              <Name>ssUniqueId</Name>

              <Value>$Target/Property[Type="MicrosoftStorageLibrary!Microsoft.Storage.Library.StorageArray"]/UniqueID$</Value>

            </Parameter>

            <Parameter>

              <Name>serverPrincipalName</Name>

              <Value>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/PrincipalName$</Value>

            </Parameter>

            <Parameter>

              <Name>SourceId</Name>

              <Value>$MPElement$</Value>

            </Parameter>

            <Parameter>

              <Name>ManagedEntityId</Name>

              <Value>$Target/Id$</Value>

            </Parameter>

          </Parameters>

          <TimeoutSeconds>$Config/TimeoutSeconds$</TimeoutSeconds>

          <StrictErrorHandling>true</StrictErrorHandling>

        </ProbeAction>

      </MemberModules>

      <Composition>

        <Node ID="Script">

          <Node ID="Scheduler"/>

        </Node>

      </Composition>

    </Composite>

  </ModuleImplementation>

  <OutputType>System!System.Discovery.Data</OutputType>

</DataSourceModuleType>