Private/WebUtil.ps1
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Function Get-FreeWebPort { <# .Synopsis Find a free port for web application. .Description Find a free port for web application, starting from a given port, and increment if needed. .Parameter startingPort The port to start with. .Example # find a free port starting with 8090 Get-FreeWebPort 8090 #> [cmdletbinding()] [OutputType([int])] param( [int] $startingPort ) Process { Write-Output "Get used ports from IIS" $usedPorts = @() Import-Module WebAdministration foreach ($bind in (Get-WebBinding).bindingInformation) { $startIndex = $bind.indexof(':')+1 $endIndex = $bind.lastindexof(':') $port = $bind.Substring($startIndex, ($endIndex-$startIndex)) Write-Output "Found port "$port $usedPorts += [int] $port } Write-Output "Check if $startingPort is used in IIS" $choosenPort = $startingPort while ($usedPorts.contains($choosenPort)) { $choosenPort += 1 } Write-Output "Choosen port "$choosenPort return [int] $choosenPort } } |