PoShMon

1.1.0

Functions/PoShMon.Monitoring.OS/Test-CPULoad.ps1

Function Test-CPULoad
{
    [CmdletBinding()]
    param (
        [hashtable]$PoShMonConfiguration
    )

    if ($PoShMonConfiguration.OperatingSystem -eq $null) { throw "'OperatingSystem' configuration not set properly on PoShMonConfiguration parameter." }

    $mainOutput = Get-InitialOutputWithTimer -SectionHeader "Server CPU Load Review" -OutputHeaders ([ordered]@{ 'ServerName' = 'Server Name'; 'CPULoad' = 'CPU Load (%)' })

    $results = @()
    # handle the case where the current machine is one of the items or the sole item
    if ($PoShMonConfiguration.General.ServerNames | Where-Object { $_ -eq $env:COMPUTERNAME } )
        { $results += Get-Counter "\processor(_total)\% processor time" }
    
    #handle any remaining machines
    $remainingComputerNames = $PoShMonConfiguration.General.ServerNames | Where-Object { $_ -ne $env:COMPUTERNAME }
    if ($remainingComputerNames.Count -gt 0)
        { $results += Get-Counter "\processor(_total)\% processor time" -Computername $remainingComputerNames }

    foreach ($counterResult in $results.CounterSamples)
    {
        #if (($PoShMonConfiguration.General.ServerNames | Where-Object { $_ -eq 'localhost' } ) -or ($PoShMonConfiguration.General.ServerNames | Where-Object { $_ -eq $env:COMPUTERNAME } ))
        # { $serverName = "localhost" }
        #else
        # { $serverName = $counterResult.Path.Substring(2, $counterResult.Path.LastIndexOf("\\") - 2).ToUpper() }
        if ($counterResult.Path.Substring(2).LastIndexOf("\\") -gt -1)
            { $serverName = $counterResult.Path.Substring(2, $counterResult.Path.LastIndexOf("\\") - 2).ToUpper() }
        else
            { $serverName = $counterResult.Path.Substring(2, $counterResult.Path.Substring(2).IndexOf("\")).ToUpper() }
        $cpuLoad = $counterResult.CookedValue
        $highlight = @()

        $cpuPercentValue = $(($cpuLoad / 100).ToString("00%"))
        Write-Verbose "`t$($serverName): $cpuPercentValue"

        if ($cpuLoad -gt $PoShMonConfiguration.OperatingSystem.CPULoadThresholdPercent)
        {
            $mainOutput.NoIssuesFound = $false
            $highlight += "CPULoad"
            Write-Warning "`tCPU Load ($cpuPercentValue) is above variance threshold ($($PoShMonConfiguration.OperatingSystem.CPULoadThresholdPercent)%)"
        }

        $mainOutput.OutputValues += [pscustomobject]@{
            'ServerName' = $serverName
            'CPULoad' = $cpuPercentValue
            'Highlight' = $highlight
        }
    }

    return (Complete-TimedOutput $mainOutput)
}