functions/Remove-DbaPfDataCollectorCounter.ps1
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function Remove-DbaPfDataCollectorCounter { <# .SYNOPSIS Removes a Performance Data Collector Counter .DESCRIPTION Removes a Performance Data Collector Counter .PARAMETER ComputerName The target computer. Defaults to localhost. .PARAMETER Credential Allows you to login to $ComputerName using alternative credentials. .PARAMETER CollectorSet The Collector Set name .PARAMETER Collector The Collector name .PARAMETER Counter The Counter name - in the form of '\Processor(_Total)\% Processor Time'. This field is required. .PARAMETER InputObject Enables piped results from Get-DbaPfDataCollector. .PARAMETER WhatIf Shows what would happen if the command were to run. No actions are actually performed. .PARAMETER Confirm Prompts you for confirmation before executing any changing operations within the command. .PARAMETER EnableException By default, when something goes wrong we try to catch it, interpret it and give you a friendly warning message. This avoids overwhelming you with "sea of red" exceptions, but is inconvenient because it basically disables advanced scripting. Using this switch turns this "nice by default" feature off and enables you to catch exceptions with your own try/catch. .NOTES Tags: PerfMon Website: https://dbatools.io Copyright: (C) Chrissy LeMaire, clemaire@gmail.com License: GNU GPL v3 https://opensource.org/licenses/GPL-3.0 .LINK https://dbatools.io/Remove-DbaPfDataCollectorCounter .EXAMPLE Remove-DbaPfDataCollectorCounter -ComputerName sql2017 -CollectorSet 'System Correlation' -Collector DataCollector01 -Counter '\LogicalDisk(*)\Avg. Disk Queue Length' Prompts for confirmation then removes the '\LogicalDisk(*)\Avg. Disk Queue Length' counter within the DataCollector01 collector within the System Correlation collector set on sql2017 .EXAMPLE Get-DbaPfDataCollectorCounter | Out-GridView -PassThru | Remove-DbaPfDataCollectorCounter -Confirm:$false Allows you to select which counters you'd like on localhost and does not prompt for confirmation #> [CmdletBinding(SupportsShouldProcess, ConfirmImpact = "High")] param ( [DbaInstance[]]$ComputerName = $env:COMPUTERNAME, [PSCredential]$Credential, [Alias("DataCollectorSet")] [string[]]$CollectorSet, [Alias("DataCollector")] [string[]]$Collector, [parameter(Mandatory, ValueFromPipelineByPropertyName)] [Alias("Name")] [object[]]$Counter, [parameter(ValueFromPipeline)] [object[]]$InputObject, [switch]$EnableException ) begin { $setscript = { $setname = $args[0]; $removexml = $args[1] $CollectorSet = New-Object -ComObject Pla.DataCollectorSet $CollectorSet.SetXml($removexml) $CollectorSet.Commit($setname, $null, 0x0003) #add or modify. $CollectorSet.Query($setname, $Null) } } process { if ($InputObject.Credential -and (Test-Bound -ParameterName Credential -Not)) { $Credential = $InputObject.Credential } if (-not $InputObject -or ($InputObject -and (Test-Bound -ParameterName ComputerName))) { foreach ($computer in $ComputerName) { $InputObject += Get-DbaPfDataCollectorCounter -ComputerName $computer -Credential $Credential -CollectorSet $CollectorSet -Collector $Collector -Counter $Counter } } if ($InputObject) { if (-not $InputObject.CounterObject) { Stop-Function -Message "InputObject is not of the right type. Please use Get-DbaPfDataCollectorCounter" return } } foreach ($object in $InputObject) { $computer = $InputObject.ComputerName $null = Test-ElevationRequirement -ComputerName $computer -Continue $setname = $InputObject.DataCollectorSet $collectorname = $InputObject.DataCollector $xml = [xml]($InputObject.DataCollectorSetXml) foreach ($countername in $counter) { $node = $xml.SelectSingleNode("//Name[.='$collectorname']").SelectSingleNode("//Counter[.='$countername']") $null = $node.ParentNode.RemoveChild($node) $node = $xml.SelectSingleNode("//Name[.='$collectorname']").SelectSingleNode("//CounterDisplayName[.='$countername']") $null = $node.ParentNode.RemoveChild($node) } $plainxml = $xml.OuterXml if ($Pscmdlet.ShouldProcess("$computer", "Remove $countername from $collectorname with the $setname collection set")) { try { $results = Invoke-Command2 -ComputerName $computer -Credential $Credential -ScriptBlock $setscript -ArgumentList $setname, $plainxml -ErrorAction Stop -Raw Write-Message -Level Verbose -Message " $results" [pscustomobject]@{ ComputerName = $computer DataCollectorSet = $setname DataCollector = $collectorname Name = $counterName Status = "Removed" } } catch { Stop-Function -Message "Failure importing $Countername to $computer" -ErrorRecord $_ -Target $computer -Continue } } } } } |