PureArrayDashboardLatencyData (Resource)

Element properties:

Source Code:

<Resource FileName="PureArrayDashboardLatencyData.ps1" ID="PureArrayDashboardLatencyData" Accessibility="Internal" HasNullStream="false"/>

File Content: PureArrayDashboardLatencyData.ps1

$ScriptName = "PureArrayDashboardLatencyData.ps1"





# Reference shared code


$SharedLibKey = Get-ItemProperty "HKLM:\SOFTWARE\PureStorage\SCOM\SharedLibPath"


$SharedLibPath = $SharedLibKey.'(default)' 


. "$SharedLibPath"





LoadOperationsManagerModule $ScriptName





$whoami = whoami


$momapi = New-Object -comObject "Mom.ScriptAPI"


Log $ScriptName $GLOBAL:INFO_LEVEL "Starting script. Running as ($whoami)"


LoadPowerShellSDK $ScriptName





function SetPerfCounterLastValue($dataObject, $instance, $criteria, $counterName, $startTime, $endTime)


{


	$performanceDataCollection = $instance.GetMonitoringPerformanceData($criteria)


	Log $ScriptName $GLOBAL:VERBOSE_LEVEL $performanceDataCollection


	$valueReader = $performanceDataCollection.GetValueReader($startTime, $endTime)


	$counter = 0


	$sum = 0


	while ($valueReader.Read()) {


		$counter += 1


		$sum += $valueReader.GetMonitoringPerformanceDataValue().SampleValue


	}


	if ($counter -eq 0)  { 


		Log $ScriptName $GLOBAL:WARNING_LEVEL "No perf data for $counterName"


		return $null	


	}


	$perfValue = $sum / $counter


	$dataObject[$counterName] = [string]([Math]::Round($perfValue * 0.001, 4)) + ' ms'


	Log $ScriptName $GLOBAL:VERBOSE_LEVEL "Value for counter $counterName is $perfValue ."


}





$class = Get-SCOMClass -Name PureStorage.FlashArray.PureArray


$pureArrays = Get-SCOMClassInstance -Class $class





# The perf APIs require a start and end time


# In this case, we specify current time as end time and two hours ago as start time.


$endTime = [DateTime]::UtcNow


$timeDiff = [TimeSpan]::FromHours(1)


$startTime = $endTime - $timeDiff





foreach ($pureArray in $pureArrays)


{


	# Create a data object for the each database specifying the database object and the properties to include.


	$dataObject = $ScriptContext.CreateFromObject($pureArray, "Id=Id,DisplayName=DisplayName", "ArrayName=ArrayName")


	# Call function to add the performance data to the data object.


	$readPerfCriteria = New-Object Microsoft.EnterpriseManagement.Monitoring.MonitoringPerformanceDataCriteria("CounterName='Read Latency'")


	SetPerfCounterLastValue $dataObject $pureArray $readPerfCriteria 'Read Latency' $startTime $endTime


	$writePerfCriteria = New-Object Microsoft.EnterpriseManagement.Monitoring.MonitoringPerformanceDataCriteria("CounterName='Write Latency'")


	SetPerfCounterLastValue $dataObject $pureArray $writePerfCriteria 'Write Latency' $startTime $endTime


	$ScriptContext.ReturnCollection.Add($dataObject)


}