Configure IIS Website via Powershell script

Configure-WebSite.ps1

Param (		
		[Parameter(Mandatory=$true)]
		[string]$webSiteName,
        
        [Parameter(Mandatory=$true)]
		[string]$webSitePhysicalPath,	
              
        [Parameter(Mandatory=$true)]
		[string]$webSiteAppPool,	
		
		[Parameter(Mandatory=$true)]
		[string]$webSiteProtocol,	
                 
        [Parameter(Mandatory=$true)]
		[string]$webSitePort,

        [Parameter(Mandatory=$true)]
		[string]$webSiteSSLCertName 
)

Configure-WebSite `
    -webSiteName $webSiteName `
    -webSitePhysicalPath  $webSitePhysicalPath  `
    -webSiteAppPool $webSiteAppPool `
    -webSiteProtocol $webSiteProtocol `
    -webSitePort $webSitePort `
    -webSiteSSLCertName $webSiteSSLCertName

Function Configure-WebSite(
    $webSiteName,
    $webSitePhysicalPath,
    $webSiteAppPool,
    $webSiteProtocol,
    $webSitePort,
    $webSiteSSLCertName
)
{
    Import-Module WebAdministration

    if ([string]::IsNullOrWhiteSpace($webSiteName)) {
        throw "Missing webSiteName"
    }

    if (([string]::IsNullOrWhiteSpace($webSitePhysicalPath))) {
        throw "Invalid webSitePhysicalPath"
    }

    if ([string]::IsNullOrWhiteSpace($webSiteAppPool)) {
        throw "Missing webSiteAppPool"
    }

    if ([string]::IsNullOrWhiteSpace($webSiteProtocol)) {
        throw "Missing webSiteProtocol"
    }

    if ([string]::IsNullOrWhiteSpace($webSitePort)) {
        throw "Missing webSitePort"
    }
	
	$appPool = get-item iis:\apppools\$webSiteAppPool -ErrorAction SilentlyContinue	
	if(!$appPool)
	{
		$appPool = New-Item ("IIS:\AppPools\" + $webSiteAppPool)	
	}		
	#NetworkService\
	$appPool.processmodel.identityType = 2
	$appPool.processmodel.loadUserProfile = $true	
	$appPool | set-item		
	
	
    $site = Get-Website -Name $webSiteName
    if($site)
    {        
        Remove-Website `
            -Name $webSiteName `
            -EA SilentlyContinue
    
    }   
    New-Website -Name $webSiteName -PhysicalPath $webSitePhysicalPath    
    
    Set-ItemProperty IIS:\Sites\$webSiteName -Name physicalPath -Value $webSitePhysicalPath
    Set-ItemProperty IIS:\Sites\$webSiteName -Name applicationPool -Value $webSiteAppPool
    Set-ItemProperty IIS:\Sites\$webSiteName -Name bindings -Value (@{protocol="$webSiteProtocol";bindingInformation="*:" + $webSitePort + ":"})

    if ($webSiteProtocol -eq "https" -and $webSiteSSLCertName)
    {
        Push-Location IIS:\SslBindings
        try {
            $thumb = (Get-ChildItem cert:\LocalMachine\My | where-object { $_.Subject -like "CN=$webSiteSSLCertName" } | Select-Object -First 1).Thumbprint
            Remove-Item 0.0.0.0!$webSitePort -ErrorAction SilentlyContinue
            Get-Item cert:\LocalMachine\My\$thumb | New-Item 0.0.0.0!$webSitePort
        } catch [Exception] {
	        $_ | fl * -Force
	        throw
        }
        Pop-Location
    }
}