modules/Tracing/private/Get-TraceProviders.ps1
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# Copyright (c) Microsoft Corporation. # Licensed under the MIT License. function Get-TraceProviders { <# .SYNOPSIS Get ETW Trace Providers based on Role .PARAMETER Role The SDN Roles .PARAMETER Providers Allowed values are Default,Optional And All to control what are the providers needed #> [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [SdnRoles]$Role, [Parameter(Mandatory = $false)] [ValidateSet("Default", "Optional", "All")] [string]$Providers = "Default", [Parameter(Mandatory = $false)] [Switch]$AsString ) try { $config = Get-SdnRoleConfiguration -Role $Role $traceProvidersArray = [System.Collections.ArrayList]::new() foreach ($traceProviders in $config.properties.etwTraceProviders) { switch ($Providers) { "Default" { if ($traceProviders.isOptional -ne $true) { [void]$traceProvidersArray.Add($traceProviders) } } "Optional" { if ($traceProviders.isOptional -eq $true) { [void]$traceProvidersArray.Add($traceProviders) } } "All" { [void]$traceProvidersArray.Add($traceProviders) } } } # we want to be able to return string value back so it can then be passed to netsh trace command # enumerate the properties that have values to build a formatted string that netsh expects if ($PSBoundParameters.ContainsKey('AsString') -and $traceProvidersArray) { [string]$formattedString = $null foreach ($traceProvider in $traceProvidersArray) { foreach ($provider in $traceProvider.Providers) { $formattedString += "$(Format-NetshTraceProviderAsString -Provider $provider -Level $traceProvider.level -Keywords $traceProvider.keywords) " } } return $formattedString.Trim() } return $traceProvidersArray } catch { "{0}`n{1}" -f $_.Exception, $_.ScriptStackTrace | Trace-Output -Level:Error } } |