DSCResources/MSFT_SPWebAppHttpThrottlingMonitor/MSFT_SPWebAppHttpThrottlingMonitor.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $WebAppUrl, [Parameter(Mandatory = $true)] [System.String] $Category, [Parameter(Mandatory = $true)] [System.String] $Counter, [Parameter()] [System.String] $CounterInstance = "", [Parameter()] [System.UInt32[]] $HealthScoreBuckets, [Parameter()] [System.Boolean] $IsDescending = $false, [Parameter()] [ValidateSet("Present", "Absent")] [System.String] $Ensure = "Present" ) Write-Verbose -Message "Getting web application '$WebAppUrl' HTTP Throttling Monitoring settings" if ($Ensure -eq 'Present') { if ($PSBoundParameters.ContainsKey("HealthScoreBuckets") -eq $false) { Write-Verbose -Message 'NOTE: The HealthScoreBuckets parameter is required when Ensure=Present' } } if ($PSBoundParameters.ContainsKey("HealthScoreBuckets")) { if ($HealthScoreBuckets[0] -gt $HealthScoreBuckets[1]) { Write-Verbose -Message "Order of HealthScoreBuckets is Descending" $bucketsDescending = $true } else { Write-Verbose -Message "Order of HealthScoreBuckets is Ascending" $bucketsDescending = $false } if ($bucketsDescending -ne $IsDescending) { Write-Verbose -Message 'NOTE: The order of HealthScoreBuckets and IsDescending do not match. Make sure they do.' } } $PSBoundParameters.IsDescending = $IsDescending $PSBoundParameters.CounterInstance = $CounterInstance $result = Invoke-SPDscCommand -Arguments $PSBoundParameters ` -ScriptBlock { $params = $args[0] $nullReturn = @{ WebAppUrl = $params.WebAppUrl Category = $params.Category Counter = $params.Counter CounterInstance = $params.CounterInstance IsDescending = $params.IsDescending HealthScoreBuckets = $null Ensure = "Absent" } $wa = Get-SPWebApplication -Identity $params.WebAppUrl -ErrorAction SilentlyContinue if ($null -eq $wa) { return $nullReturn } [Array]$httpTM = $null if ([String]::IsNullOrEmpty($CounterInstance)) { $httpTM = (Get-SPWebApplicationHttpThrottlingMonitor $params.webappUrl) | Where-Object -FilterScript { ($_.Category -eq $params.Category) -and ` ($_.Counter -eq $params.Counter) } } else { $httpTM = (Get-SPWebApplicationHttpThrottlingMonitor $params.webappUrl) | Where-Object -FilterScript { ($_.Category -eq $params.Category) -and ` ($_.Counter -eq $params.Counter) -and ` ($_.Instance -eq $params.CounterInstance) } } if ($null -eq $httpTM) { return $nullReturn } if ($httpTM.Count -gt 1) { throw "The specified Category and Counter returned more than one result. Please also specify a CounterInstance." } $healthScoreBuckets = $httpTM.AssociatedHealthScoreCalculator.GetScoreBuckets() if ($healthScoreBuckets[0] -gt $healthScoreBuckets[1]) { $isDescending = $true } else { $isDescending = $false } $result = @{ WebAppUrl = $params.WebAppUrl Category = $params.Category Counter = $params.Counter CounterInstance = $params.CounterInstance HealthScoreBuckets = $healthScoreBuckets IsDescending = $isDescending Ensure = "Present" } return $result } return $result } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] $WebAppUrl, [Parameter(Mandatory = $true)] [System.String] $Category, [Parameter(Mandatory = $true)] [System.String] $Counter, [Parameter()] [System.String] $CounterInstance = "", [Parameter()] [System.UInt32[]] $HealthScoreBuckets, [Parameter()] [System.Boolean] $IsDescending = $false, [Parameter()] [ValidateSet("Present", "Absent")] [System.String] $Ensure = "Present" ) Write-Verbose -Message "Setting web application '$WebAppUrl' HTTP Throttling Monitoring settings" if ($Ensure -eq 'Present') { if ($PSBoundParameters.ContainsKey("HealthScoreBuckets") -eq $false) { throw 'The HealthScoreBuckets parameter is required when Ensure=Present' } } if ($PSBoundParameters.ContainsKey("HealthScoreBuckets")) { if ($HealthScoreBuckets[0] -gt $HealthScoreBuckets[1]) { Write-Verbose -Message "Order of HealthScoreBuckets is Descending" $bucketsDescending = $true } else { Write-Verbose -Message "Order of HealthScoreBuckets is Ascending" $bucketsDescending = $false } if ($bucketsDescending -ne $IsDescending) { throw 'The order of HealthScoreBuckets and IsDescending do not match. Make sure they do.' } } $PSBoundParameters.IsDescending = $IsDescending $PSBoundParameters.CounterInstance = $CounterInstance $CurrentValues = Get-TargetResource @PSBoundParameters Invoke-SPDscCommand -Arguments @($PSBoundParameters, $MyInvocation.MyCommand.Source, $CurrentValues) ` -ScriptBlock { $params = $args[0] $eventSource = $args[1] $CurrentValues = $args[2] $wa = Get-SPWebApplication -Identity $params.WebAppUrl -ErrorAction SilentlyContinue if ($null -eq $wa) { $message = "Web application $($params.WebAppUrl) was not found" Add-SPDscEvent -Message $message ` -EntryType 'Error' ` -EventID 100 ` -Source $eventSource throw $message } if ($params.Ensure -eq "Present") { $sortParams = @{ Descending = $params.IsDescending } $healthScoreBuckets = $params.HealthScoreBuckets | Sort-Object @sortParams if ($CurrentValues.Ensure -eq "Absent") { Write-Verbose -Message 'Specified monitor does not exist, creating it!' $throttle = $wa.HttpThrottleSettings $throttle.AddPerformanceMonitor($params.Category, $params.Counter, $params.CounterInstance, $healthScoreBuckets, -not $params.IsDescending) $throttle.Update() } else { Write-Verbose -Message 'Specified monitor exists, update it!' $newParams = @{ Identity = $params.WebAppUrl Category = $params.Category Counter = $params.Counter HealthScoreBuckets = $healthScoreBuckets IsDesc = $params.IsDescending } if ([String]::IsNullOrEmpty($params.CounterInstance) -eq $false) { $newParams.Instance = $params.CounterInstance } Set-SPWebApplicationHttpThrottlingMonitor @newParams } } if ($params.Ensure -eq "Absent" -and $CurrentValues.Ensure -eq "Present") { Write-Verbose -Message 'Specified monitor exists, deleting it!' $throttle = $wa.HttpThrottleSettings if ([String]::IsNullOrEmpty($params.CounterInstance)) { $throttle.RemovePerformanceMonitor($params.Category, $params.Counter) } else { $throttle.RemovePerformanceMonitor($params.Category, $params.Counter, $params.CounterInstance) } $throttle.Update() } } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $WebAppUrl, [Parameter(Mandatory = $true)] [System.String] $Category, [Parameter(Mandatory = $true)] [System.String] $Counter, [Parameter()] [System.String] $CounterInstance = "", [Parameter()] [System.UInt32[]] $HealthScoreBuckets, [Parameter()] [System.Boolean] $IsDescending = $false, [Parameter()] [ValidateSet("Present", "Absent")] [System.String] $Ensure = "Present" ) Write-Verbose -Message "Testing web application '$WebAppUrl' HTTP Throttling Monitoring settings" $PSBoundParameters.IsDescending = $IsDescending $PSBoundParameters.CounterInstance = $CounterInstance $CurrentValues = Get-TargetResource @PSBoundParameters Write-Verbose -Message "Current Values: $(Convert-SPDscHashtableToString -Hashtable $CurrentValues)" Write-Verbose -Message "Target Values: $(Convert-SPDscHashtableToString -Hashtable $PSBoundParameters)" if ($Ensure -eq "Present" -and ` $CurrentValues.Ensure -eq "Present" -and ` $PSBoundParameters.ContainsKey("HealthScoreBuckets") -and ` $CurrentValues.ContainsKey("HealthScoreBuckets")) { if ($null -ne (Compare-Object -ReferenceObject $HealthScoreBuckets -DifferenceObject $CurrentValues.HealthScoreBuckets)) { Write-Verbose "HealthScoreBucket values do not match." Write-Verbose -Message "Test-TargetResource returned False" return $false } } $valuesToCheck = @( "WebAppUrl", "Category", "Counter", "CounterInstance", "IsDescending", "Ensure" ) $result = Test-SPDscParameterState -CurrentValues $CurrentValues ` -Source $($MyInvocation.MyCommand.Source) ` -DesiredValues $PSBoundParameters ` -ValuesToCheck $valuesToCheck Write-Verbose -Message "Test-TargetResource returned $result" return $result } function Export-TargetResource { $VerbosePreference = "SilentlyContinue" $ParentModuleBase = Get-Module "SharePointDsc" -ListAvailable | Select-Object -ExpandProperty Modulebase $module = Join-Path -Path $ParentModuleBase -ChildPath "\DSCResources\MSFT_SPWebAppHttpThrottlingMonitor\MSFT_SPWebAppHttpThrottlingMonitor.psm1" -Resolve $Content = '' $params = Get-DSCFakeParameters -ModulePath $module $webApps = Get-SPWebApplication $i = 1 $total = $webApps.Length foreach ($webApp in $webApps) { try { Write-Host "Scanning HTTP Throttling Monitoring for Web App [$i/$total] {$($webApp.Url)}" $params.WebAppUrl = $webApp.Url $monitors = Get-SPWebApplicationHttpThrottlingMonitor -Identity $webApp.Url foreach ($monitor in $monitors) { $params.Category = $monitor.Category $params.Counter = $monitor.Counter $params.CounterInstance = $monitor.Instance $PartialContent = " SPWebAppHttpThrottlingMonitor " + [System.Guid]::NewGuid().ToString() + "`r`n" $PartialContent += " {`r`n" $results = Get-TargetResource @params $results = Repair-Credentials -results $results $currentBlock = Get-DSCBlock -Params $results -ModulePath $module $currentBlock = Convert-DSCStringParamToVariable -DSCBlock $currentBlock -ParameterName "PsDscRunAsCredential" $PartialContent += $currentBlock $PartialContent += " }`r`n" $Content += $PartialContent } } catch { $Global:ErrorLog += "[SPWebAppHttpThrottlingMonitor] Couldn't properly retrieve all HTTP Throttling Monitors from Web Application {$($webApp.Url)}`r`n" } $i++ } return $Content } Export-ModuleMember -Function *-TargetResource |