VMware Cluster Datacenter Reference Relationship Discovery

Community.VMware.Discovery.ClusterDatacenterReference (Discovery)

PowerShell script that connects to SCOM to discover Cluster Datacenter Reference Relationships

Element properties:

Object Discovery Details:

Member Modules:

Source Code:

<Discovery ID="Community.VMware.Discovery.ClusterDatacenterReference" Target="Community.VMware.Class.vCenter" Enabled="true" ConfirmDelivery="false" Remotable="true" Priority="Normal">

  <Category>Discovery</Category>

  <DiscoveryTypes>

    <DiscoveryRelationship TypeID="Community.VMware.Relationship.ClusterReferencesDatacenter"/>

  </DiscoveryTypes>

  <DataSource ID="DS" TypeID="Windows!Microsoft.Windows.TimedPowerShell.DiscoveryProvider" RunAs="Community.VMware.SecureReference.RunAsProfile">

    <IntervalSeconds>21600</IntervalSeconds>

    <SyncTime>01:00</SyncTime>

    <ScriptName>Community.VMware.Discovery.ClusterDatacenterReference.ps1</ScriptName>

    <ScriptBody><Script>param($sourceId,$managedEntityId,$vCenterServerName)



Function ExitPrematurely ($Message) {

	$discoveryData.IsSnapshot = $false

	$api.LogScriptEvent($ScriptName,1985,2,$Message)

	$discoveryData

	exit

}



Function LogScriptEvent {

	Param (

		

		#0 = Informational

		#1 = Error

		#2 = Warning

		[parameter(Mandatory=$true)]

		[ValidateRange(0,2)]

		[int]$EventLevel

		,

		

		[parameter(Mandatory=$true)]

		[string]$Message

	)



	$api.LogScriptEvent($ScriptName,1985,$EventLevel,$Message)

}



Function DefaultErrorLogging {

	LogScriptEvent -EventLevel 1 -Message ("$_`rType:$($_.Exception.GetType().FullName)`r$($_.InvocationInfo.PositionMessage)`rReceivedParam:`rsourceId:$sourceId`rmanagedEntityId:$managedEntityId`rvCenterServerName:$vCenterServerName")

}



$ScriptName = 'Community.VMware.Discovery.ClusterDatacenterReference.ps1'

$api = new-object -comObject 'MOM.ScriptAPI'

$discoveryData = $api.CreateDiscoveryData(0, $sourceId, $managedEntityId)



Try {Import-Module OperationsManager}

Catch {DefaultErrorLogging}



Try {New-SCOMManagementGroupConnection 'localhost'}

Catch {DefaultErrorLogging}



Try {$MGconn = Get-SCOMManagementGroupConnection | Where {$_.IsActive -eq $true}}

Catch {DefaultErrorLogging}



If(!$MGconn){

	ExitPrematurely ("Unable to connect to the local management group")

}



#Get Already Discovered Datacenters from SCOM

Try {$VMdatacenterObjs = Get-SCOMClass -Name 'Community.VMware.Class.Datacenter' | Get-SCOMClassInstance | Where {$_.'[Community.VMware.Class.vCenter].vCenterServerName'.Value -eq $vCenterServerName}}

Catch {DefaultErrorLogging}



If (!$VMdatacenterObjs){

	ExitPrematurely ("No VM Datacenters found discovered in SCOM for vCenter " + $vCenterServerName)

}



#Get Already Discovered VM Clusters from SCOM

Try {$VMclusterObjs = Get-SCOMClass -Name 'Community.VMware.Class.Cluster' | Get-SCOMClassInstance | Where {$_.'[Community.VMware.Class.vCenter].vCenterServerName'.Value -eq $vCenterServerName}}

Catch {DefaultErrorLogging}



#Exit if no VM Clusters were discovered, because there is no relationship to build

If (!$VMclusterObjs){

	ExitPrematurely ("No VM Clusters found discovered in SCOM for vCenter " + $vCenterServerName)

}



Try {

	Add-PSSnapin VMware.VimAutomation.Core

} Catch {

	Start-Sleep -Seconds 10

	Try {

		Add-PSSnapin VMware.VimAutomation.Core

	} Catch {

		DefaultErrorLogging

		Exit

	}

}



Try {

	$connection = Connect-VIServer -Server $vCenterServerName -Force:$true -NotDefault

} Catch {

	Start-Sleep -Seconds 10

	Try {

		$connection = Connect-VIServer -Server $vCenterServerName -Force:$true -NotDefault

	} Catch {

		DefaultErrorLogging

	}

}



If ($connection.IsConnected -ne $True){

	ExitPrematurely ("Unable to connect to vCenter server " + $vCenterServerName)

}



Try {$VMwareDatacenters = Get-Datacenter -Server $connection}

Catch {DefaultErrorLogging}



If (!$VMwareDatacenters){

	Try {Disconnect-VIServer -Server $connection -Confirm:$false}

	Catch {DefaultErrorLogging}

	ExitPrematurely ("No VM Datacenters found in vCenter " + $vCenterServerName)

}



ForEach ($VMdatacenter in $VMwareDatacenters){



	#Verify VMdatacenter is in SCOM

	If ($VMdatacenterObjs | Where {$_.'[Community.VMware.Class.Datacenter].DatacenterId'.Value -eq [string]$VMdatacenter.Id}){



		#Get VM Clusters in this datacenter

		$VMclustersInDatacenter = $VMdatacenter | Get-Cluster | Get-View -Property Name | Select Name,MoRef



		If ($VMclustersInDatacenter){

		

			#VM datacenter Obj (already discovered)

			$VMdatacenterInstance = $discoveryData.CreateClassInstance("$MPElement[Name='Community.VMware.Class.Datacenter']$")

			$VMdatacenterInstance.AddProperty("$MPElement[Name='Community.VMware.Class.Datacenter']/DatacenterId$", [string]$VMdatacenter.Id )

			$VMdatacenterInstance.AddProperty("$MPElement[Name='Community.VMware.Class.vCenter']/vCenterServerName$", $vCenterServerName )

		

			ForEach ($VMcluster in $VMclustersInDatacenter){

			

				#Verify Cluster is in SCOM

				If ($VMclusterObjs | Where {$_.'[Community.VMware.Class.Cluster].ClusterId'.Value -eq [string]$VMcluster.MoRef}){



					#VM Cluster Obj (already discovered)

					$VMclusterInstance = $discoveryData.CreateClassInstance("$MPElement[Name='Community.VMware.Class.Cluster']$")

					$VMclusterInstance.AddProperty("$MPElement[Name='Community.VMware.Class.Cluster']/ClusterId$", [string]$VMcluster.MoRef )

					$VMclusterInstance.AddProperty("$MPElement[Name='Community.VMware.Class.vCenter']/vCenterServerName$", $vCenterServerName )

					

					#Cluster references Datacenter

					$rel1 = $discoveryData.CreateRelationshipInstance("$MPElement[Name='Community.VMware.Relationship.ClusterReferencesDatacenter']$")

					$rel1.Source = $VMclusterInstance

					$rel1.Target = $VMdatacenterInstance

					$discoveryData.AddInstance($rel1)

				}

			}

		}

	}

}

Try {Disconnect-VIServer -Server $connection -Confirm:$false}

Catch {DefaultErrorLogging}

$discoveryData</Script></ScriptBody>

    <Parameters>

      <Parameter>

        <Name>sourceID</Name>

        <Value>$MPElement$</Value>

      </Parameter>

      <Parameter>

        <Name>managedEntityID</Name>

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

      </Parameter>

      <Parameter>

        <Name>vCenterServerName</Name>

        <Value>$Target/Property[Type="Community.VMware.Class.vCenter"]/vCenterServerName$</Value>

      </Parameter>

    </Parameters>

    <TimeoutSeconds>300</TimeoutSeconds>

  </DataSource>

</Discovery>