PureArrayDashboardIOPSData (Resource)

Element properties:

Source Code:

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

File Content: PureArrayDashboardIOPSData.ps1

$ScriptName = "PureArrayDashboardIOPSData.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 to add the DB Free Space to the data object.


# Parameters:


#   dataObject - The data object that is being modified.


#   PureArray instance   - The database instance.  This is used to get the performance data.


#   criteria   - Criteria to use for retrieving the performance data.


#   startTime  - The starting time of the performance data to collect.


#   endTime    - The ending time of the performance data to collect.


function SetAndReturnPerfCounterLastValue($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


	$perfValue = [Math]::Round($perfValue * 0.001, 4)


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


	$dataObject[$counterName] = [string]($perfValue) + ' K/s'


	return $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 1 hour 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.


	$inputPerfCriteria = New-Object Microsoft.EnterpriseManagement.Monitoring.MonitoringPerformanceDataCriteria("CounterName='Reads per Second'")


	$inputPerfValue = SetAndReturnPerfCounterLastValue $dataObject $pureArray $inputPerfCriteria 'Reads per Second' $startTime $endTime


	$outputPerfCriteria = New-Object Microsoft.EnterpriseManagement.Monitoring.MonitoringPerformanceDataCriteria("CounterName='Writes per Second'")


	$outputPerfValue = SetAndReturnPerfCounterLastValue $dataObject $pureArray $outputPerfCriteria 'Writes per Second' $startTime $endTime





	$totalPerfCriteria = New-Object Microsoft.EnterpriseManagement.Monitoring.MonitoringPerformanceDataCriteria("CounterName='Total IOPs'")


	$totalPerfValue = SetAndReturnPerfCounterLastValue $dataObject $pureArray $totalPerfCriteria 'Total IOPs' $startTime $endTime





	$ScriptContext.ReturnCollection.Add($dataObject)


}