Microsoft.SystemCenter.ApplicationMonitoring.360.Template.Dashboards.DistributedApplicationStateWidgetRefreshScript.ps1 (Resource)

Element properties:

Source Code:

<Resource ID="Microsoft.SystemCenter.ApplicationMonitoring.360.Template.Dashboards.DistributedApplicationStateWidgetRefreshScript.ps1" FileName="DistributedApplicationStateWidgetRefreshScript.ps1" Accessibility="Internal"/>

File Content: DistributedApplicationStateWidgetRefreshScript.ps1

Param($Target)





function GetLastPerfCounterValue


{


	$performanceDataCollection = $globalClassInstance.GetMonitoringPerformanceData($globalCriteria)





	if ($performanceDataCollection.Count -ne 1)


	{


		return $null


	}





	$performanceData = $performanceDataCollection[0]





	$dataCollection = $performanceData.GetValues($startTime, $endTime)





	if ($dataCollection.Count -lt 1)


	{


		return $null


	}





	$data = $dataCollection[$dataCollection.Count - 1]





	return [Math]::Round($data.SampleValue,4)


}





$id = New-Object Guid($Target["Id"].ToString())





$mpInstance = Get-SCOMClassInstance -Id $id





$instance = $ScriptContext.CreateFromObject($mpInstance, "Id=Id,HealthState=HealthState,DisplayName=DisplayName", $null)





$alertCriteria = New-Object Microsoft.EnterpriseManagement.Monitoring.MonitoringAlertCriteria("Severity = 2 AND ResolutionState = 0")





$reader = $ScriptContext.ManagementGroup.OperationalData.GetPartialMonitoringAlertReader($id, $alertCriteria, [Microsoft.EnterpriseManagement.Common.TraversalDepth]::Recursive, $null, [Microsoft.EnterpriseManagement.Monitoring.MonitoringAlertProperty]::Id)





$count = 0





while ($reader.Read())


{


    $count ++;


}





$instance["ActiveCriticalAlerts"] = $count





# These are the criteria used to fetch performance values


$responseTimeCriteria = New-Object Microsoft.EnterpriseManagement.Monitoring.MonitoringPerformanceDataCriteria("CounterName='Average Response Time'")


$requestsPerSecondCriteria = New-Object Microsoft.EnterpriseManagement.Monitoring.MonitoringPerformanceDataCriteria("CounterName='Total Monitored Requests/sec'")





# The perf APIs require a start and end time


$endTime = [DateTime]::UtcNow


$timeDiff = [TimeSpan]::FromHours(2)


$startTime = $endTime - $timeDiff





$globalClassInstance = $mpInstance





$globalCriteria = $responseTimeCriteria


$instance["AverageResponseTime"] = GetLastPerfCounterValue





# The total monitored request/sec counter is targeted on Presentation Tier class


$presentationTierClass = Get-SCOMClass -Name "Microsoft.SystemCenter.ApplicationMonitoring.360.Template.3TierApplication.PresentationTier.Component"


$presentationTierInstances = $mpInstance.GetRelatedMonitoringObjects() | where {$_.IsInstanceOf($presentationTierClass)}





$globalCriteria = $requestsPerSecondCriteria


foreach ($presentationTierInstance in $presentationTierInstances)


{


	$globalClassInstance = $presentationTierInstance


	$instance["MonitoredRequestsPerSecond"] += GetLastPerfCounterValue


}





$newList = @()





$newList += $instance





$ScriptContext.ReturnCollection.UpdateCollection($newList)