Protected computer and resource group discovery

Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.PSDiscovery (Discovery)

Element properties:

Object Discovery Details:

Member Modules:

Source Code:

<Discovery ID="Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.PSDiscovery" Enabled="true" Target="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer" ConfirmDelivery="true" Remotable="true" Priority="Normal">

  <Category>Discovery</Category>

  <DiscoveryTypes>

    <DiscoveryClass TypeID="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer"/>

    <DiscoveryClass TypeID="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ProductionServer"/>

    <DiscoveryRelationship TypeID="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServerHostsProductionServer"/>

  </DiscoveryTypes>

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

    <IntervalSeconds>43200</IntervalSeconds>

    <SyncTime/>

    <ScriptName>PSDiscovery.ps1</ScriptName>

    <ScriptBody><Script>#Read input parameters

param($sourceType,$sourceId,$managedEntityId,$dpmServerName)



function DisplayError()

{

    param($description, $severity, $errorCode, $exceptionString, $resolutionString)

    

    $evt = new-object System.Diagnostics.EventLog("DPM Alerts");

    $evt.Source = "DPM-EM";

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

    

    #severity = 0 is info and severity = 1 is warning

    if($severity -eq 1)

    {

       $eventSeverity = [System.Diagnostics.EventLogEntryType]::Warning;

    }

    

    $errString = new-object system.text.stringBuilder

    $errString.AppendLine($description)



    if($exceptionString -ne $null)

    {

       $errString.AppendLine()

       $errString.AppendLine("Problem: " + $exceptionString)

    }

   

    if($resolutionString -ne $null)

    {

       $errString.AppendLine()

       $errString.AppendLine("Resolution: " + $resolutionString)

    }

 

    $evt.WriteEntry($errString.ToString(), $eventSeverity, $errorCode);

}





$desc = "Production server discovery start event for dpmServerName =" + $dpmServerName

DisplayError $desc 0 101 $null $null



# Load DPM snapin

$dpmBinPath = (Get-ItemProperty "HKLM:\SOFTWARE\Microsoft\Microsoft Data Protection Manager\Setup" "UIInstallPath").UIInstallPath

. "$dpmBinPath\GlobalFunctions.ps1"

LoadDPMSnapin



#Create and Instantinate SCOM discovery objects

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

$discoveryData = $api.CreateDiscoveryData($sourceType, $sourceId, $managedEntityId)



try

{

  #Connect to DPM server

  $err = $($dpmServer = Connect-DPMServer $dpmServerName) 2&gt;&amp;1

  if (!$dpmServer)

  { 

    $desc = "Production server discovery - Unable to connect to DPM Server=" + $dpmServerName

    if($err)

    {

      DisplayError $desc 1 102 $err.Exception.ToString() $err.Exception.Error.Resolution.ToString()

    }

    else

    {

      DisplayError $desc 1 102 $null $null

    }



    exit 1 

  } 



  #Get DPM properties

  $dpmVersion = $dpmServer.GetProductInformation().Version.ToString()

  $dpmServerId = $dpmServer.ServerId.ToString()



  #Get PS list for the DPM server

  $err = $($allPSList = Get-ProductionServer -DPMServerName $dpmServerName) 2&gt;&amp;1



  if($err)

  {

    $desc = "Unable to retrieve PS list"

    DisplayError $desc 1 102 $err.Exception.ToString() $err.Exception.Error.Resolution.ToString()

  }



  $psList = $allPSList | ?{$_.ServerProtectionState -ine "Deleted" -and !$_.IsProtectedInDisconnectedPG -and $_.IsHavingDatasourcesProtected}



  if($psList)

  {

    $psList = $psList | Sort-Object $_.Name

  }



  #Define the required lists

  $allPSDictionary = @{}



  $visitedClusterList = New-Object "System.Collections.Generic.List[System.String]"

  $visitedPhysicalNodeList = New-Object "System.Collections.Generic.List[System.String]"



  #Create dictionary of PS objects with PS Name as Key and PS Object as Value

  foreach($ps1 in $allPSList)

  {

     $allPSDictionary.Add($ps1.Name, $ps1)

  }



  foreach ($ps in $psList) 

  {

    if($ps)

    { 

       $psObjects = @()

       

       $virtualName = $ps -as [Microsoft.Internal.EnterpriseStorage.Dls.UI.ObjectModel.OMCommon.VirtualName]



       if($ps.IsAgentInstalled -or ($virtualName -and $virtualName.PossibleOwners.count -gt 0))

       {

         $psObjects = $psObjects + $ps

          

         if($virtualName -ne $null)

         {

           #Check if the corresponding cluster is already visited

           if(!$visitedClusterList.Contains($ps.ClusterName))

           {

              $visitedClusterList.Add($ps.ClusterName)

  

              foreach ($nodeName in $virtualName.PossibleOwners)

              {

                  $physicalNodePSObj = $allPSDictionary[$nodeName]

                  if($physicalNodePSObj -and !$visitedPhysicalNodeList.Contains($nodeName))

                  {

                     $visitedPhysicalNodeList.Add($nodeName)

                     $psObjects = $psObjects + $physicalNodePSObj

                  }

              }

           }

         }



         $psObjects = $psObjects | Sort-Object $_.Name



         foreach($psObj in $psObjects)

         {

            $version = $null

            $osVersion = $null



            #RG doesnot have agent installed and OS version associated. Hence skip these values if PS is RG.

            

            $versionObj = $psObj.GetInstalledAgentVersion()

            if($versionObj -ne $null)

            {

               $version = $versionObj.ToString()

            }



            $osVersionObj = $psObj.OSVersion

            if($osVersionObj -ne $null)

            {

               $osVersion = $osVersionObj.ToString()

            }



            #Create a production server instance

            $psinstance = $discoveryData.CreateClassInstance("$MPElement[Name="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ProductionServer"]$")

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

            $psinstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMSeed']/DPMServerName$", $dpmServerName)

            $psinstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer']/DPMServerName$", $dpmServerName)

            $psinstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ProductionServer']/ComputerName$", $psObj.Name)

            $psinstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ProductionServer']/DPMServerName$", $dpmServerName)

            $psinstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ProductionServer']/DPMObjectID$", $psObj.ServerId.ToString())

            $psinstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ProductionServer']/OSVersion$", $osVersion)

            $psinstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ProductionServer']/AgentVersion$", $version)

            $psinstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ProductionServer']/IsSecondaryProtected$", $psObj.IsProtectedViaDC)

            $psinstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ProductionServer']/ClusterName$", $psObj.ClusterName)

            $psinstance.AddProperty("$MPElement[Name='System!System.Entity']/DisplayName$", $psObj.Name);

            $discoveryData.AddInstance($psinstance)

								  

            Remove-Variable psinstance -Confirm:$false

         }

       }

    }

  }



  #Update DPM properties

  $instance = $discoveryData.CreateClassInstance("$MPElement[Name="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer"]$")

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

  $instance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMSeed']/DPMServerName$", $dpmServerName)

  $instance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer']/DPMServerName$", $dpmServerName)

  $instance.AddProperty("$MPElement[Name="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer"]/DPMVersion$", $dpmVersion)

  $instance.AddProperty("$MPElement[Name="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer"]/DPMObjectID$", $dpmServerId)

  $discoveryData.AddInstance($instance)

 

  Remove-Variable instance -Confirm:$false

}

catch

{

  $desc = "Exception in PS discovery"

  DisplayError $desc 1 102 $_.ToString() $null

  throw $_

}



$desc = "Production server discovery completed"

DisplayError $desc 0 103 $null $null



$discoveryData





#Cleanup Variables

Remove-Variable sourceType -Confirm:$false

Remove-Variable sourceId -Confirm:$false

Remove-Variable managedEntityId -Confirm:$false

Remove-Variable discoveryData -Confirm:$false

Remove-Variable api -Confirm:$false

</Script></ScriptBody>

    <Parameters>

      <Parameter>

        <Name>SourceType</Name>

        <Value>0</Value>

      </Parameter>

      <Parameter>

        <Name>SourceId</Name>

        <Value>$MPElement$</Value>

      </Parameter>

      <Parameter>

        <Name>ManagedEntityId</Name>

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

      </Parameter>

      <Parameter>

        <Name>DPMServerName</Name>

        <Value>$Target/Property[Type="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer"]/DPMServerName$</Value>

      </Parameter>

    </Parameters>

    <TimeoutSeconds>7200</TimeoutSeconds>

  </DataSource>

</Discovery>