Purge Akamai Cache

purge-akamai-cache.ps1

# Purge Akamai Cache
#
# Invokes the Akamai REST Api to purge the cache for the given objects
#
# == Usage ==
# .\purge-akamai-cache.ps1 -CpCode cpcode -User Username -Pass Password
#
# == Params ==
# CpCodes: comma separated list of cpcodes of the site to purge
# User / Pass: Valid credentials for an Akamai User that has permissions to purge cache
#
# == Example Usage ==
# .\purge-akamai-cache.ps1 -CpCode "12345,23456" -User "ken.sykora@nerdery.com" -Pass #######
#
param ([Parameter(Mandatory=$True)][string[]]$CpCodes,
	   [Parameter(Mandatory=$True)][string]$user, 
	   [Parameter(Mandatory=$True)][string]$pass)

$ErrorActionPreference = "Stop"

function Purge-AkamaiCache([string[]]$AkamaiCpCodes,
	   [string]$username, 
	   [string]$password) {
	   
	Write-Host ("Purging Cache for CpCodes {0} with user $username" -f ($AkamaiCpCodes -join ", "))
	
	$body = @{ type="cpcode"; objects=$AkamaiCpCodes }
	$cred = New-Object System.Management.Automation.PSCredential($username, (ConvertTo-SecureString $password -AsPlainText -Force))
	
	$response = Invoke-RestMethod -Uri "https://api.ccu.akamai.com/ccu/v2/queues/default" -Method Post -Body (ConvertTo-Json $body) -ContentType "application/json" -Credential $cred
	if($response.httpStatus -eq 201){
		
		$timeRemaining = New-Object System.TimeSpan(0,0,$response.estimatedSeconds)
		$pingAfter = New-Object System.TimeSpan(0,0,$response.pingAfterSeconds)
		
		Write-Host ("Estimated Time: {0:c}" -f $timeRemaining)
		Write-Host ("Purge ID: {0}" -f $response.purgeId)
		Write-Host ("Support ID: {0}" -f $response.supportId)
		Write-Host ("{0} (updating in {1:c})..." -f $response.detail, $pingAfter)
		
		$purged = $false
		while(-not $purged) {
			Start-Sleep -Seconds $pingAfter.TotalSeconds
			$response = Invoke-RestMethod -Uri ("https://api.ccu.akamai.com{0}" -f $response.progressUri) -Credential $cred
			$pingAfter = New-Object System.TimeSpan(0,0,$response.pingAfterSeconds)
			$purged = $response.purgeStatus -eq "Done"
			$nextUpdateString = ""
			if(-not $purged) { $nextUpdateString = " (updating in {0:c})..." -f $pingAfter }
			Write-Host ("{0}{1}" -f $response.purgeStatus, $nextUpdateString)
		}
		
		Write-Host "Content Purged"
	} else {
		$response
		throw "Unexpected Reponse Received"
	}
}

Purge-AkamaiCache -AkamaiCpCode ($CpCodes -split ",") -username $user -password $pass