Azure DevOps purge CDN End-Point

purge-cdn.ps1

# https://docs.microsoft.com/en-us/powershell/azure/authenticate-azureps?view=azps-5.6.0#password-based-authentication
# https://docs.microsoft.com/en-us/azure/cdn/cdn-manage-powershell#purgingpre-loading-cdn-assets

param (
    [string]$applicationId,
    [string]$tenantId,
    [string]$accessKey,
    [string]$resourceGroupName,
    [string]$profileName,
    [string]$endpointName,
    # Must be surrounded by double-quotes and no wildcard, e.g: "/myfolder/"
    [string]$targetFolder
)

# Install Modules missing on Azure hosted agents
Install-Module Az.Accounts  -Scope CurrentUser -Force
Install-Module Az.Cdn       -Scope CurrentUser -Force

# Authenticate as service principal
$secureAccessKey = ConvertTo-SecureString $accessKey -AsPlainText -Force
$credentials = New-Object System.Management.Automation.PSCredential($applicationId, $secureAccessKey)
Connect-AzAccount -ServicePrincipal -Credential $credentials -Tenant $tenantId

# List profiles
# Get-AzCdnProfile

# List end-points
# Get-AzCdnEndpoint -ProfileName $profileName -ResourceGroupName $resourceGroupName

# Purge CDN ~10 minutes
Unpublish-AzCdnEndpointContent `
    -ProfileName $profileName `
    -ResourceGroupName $resourceGroupName `
    -EndpointName $endpointName `
    -PurgeContent "/$targetFolder/"