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param
(
[Parameter(Mandatory=$true, HelpMessage="Enter Azure Subscription name. You need to be Subscription Admin to execute the script")]
[string] $subscriptionName,
[Parameter(Mandatory=$true, HelpMessage="Provide a password for SPN application that you would create; this becomes the service principal's security key")]
[securestring] $password,
[Parameter(Mandatory=$false, HelpMessage="Provide a SPN role assignment")]
[string] $spnRole = "owner",
[Parameter(Mandatory=$false, HelpMessage="Provide Azure environment name for your subscription")]
[string] $environmentName = "AzureCloud"
)
function Get-AzureCmdletsVersion
{
$module = Get-Module AzureRM -ListAvailable
if($module)
{
return ($module).Version
}
return (Get-Module Azure -ListAvailable).Version
}
function Get-Password
{
$currentAzurePSVersion = Get-AzureCmdletsVersion
$azureVersion511 = New-Object System.Version(5, 1, 1)
if($currentAzurePSVersion -and $currentAzurePSVersion -ge $azureVersion511)
{
return $password
}
else
{
$basicPassword = [System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($password)
$plainPassword = [System.Runtime.InteropServices.Marshal]::PtrToStringAuto($basicPassword)
return $plainPassword
}
}
#Initialize
$ErrorActionPreference = "Stop"
$VerbosePreference = "SilentlyContinue"
$userName = ($env:USERNAME).Replace(' ', '')
$newguid = [guid]::NewGuid()
$displayName = [String]::Format("VSTS.{0}.{1}", $userName, $newguid)
$homePage = "http://" + $displayName
$identifierUri = $homePage
#Initialize subscription
$isAzureModulePresent = Get-Module -Name AzureRM* -ListAvailable
if ([String]::IsNullOrEmpty($isAzureModulePresent) -eq $true)
{
Write-Output "Script requires AzureRM modules to be present. Obtain AzureRM from https://github.com/Azure/azure-powershell/releases. Please refer https://github.com/Microsoft/vsts-tasks/blob/master/Tasks/DeployAzureResourceGroup/README.md for recommended AzureRM versions." -Verbose
return
}
Import-Module -Name AzureRM.Profile
Write-Output "Provide your credentials to access Azure subscription $subscriptionName" -Verbose
Login-AzureRmAccount -SubscriptionName $subscriptionName -EnvironmentName $environmentName
$azureSubscription = Get-AzureRmSubscription -SubscriptionName $subscriptionName
$connectionName = $azureSubscription.SubscriptionName
$tenantId = $azureSubscription.TenantId
$id = $azureSubscription.SubscriptionId
#Create a new AD Application
Write-Output "Creating a new Application in AAD (App URI - $identifierUri)" -Verbose
$password = Get-Password
$azureAdApplication = New-AzureRmADApplication -DisplayName $displayName -HomePage $homePage -IdentifierUris $identifierUri -Password $password -Verbose
$appId = $azureAdApplication.ApplicationId
Write-Output "Azure AAD Application creation completed successfully (Application Id: $appId)" -Verbose
#Create new SPN
Write-Output "Creating a new SPN" -Verbose
$spn = New-AzureRmADServicePrincipal -ApplicationId $appId
$spnName = $spn.ServicePrincipalName
Write-Output "SPN creation completed successfully (SPN Name: $spnName)" -Verbose
#Assign role to SPN
Write-Output "Waiting for SPN creation to reflect in Directory before Role assignment"
Start-Sleep 20
Write-Output "Assigning role ($spnRole) to SPN App ($appId)" -Verbose
New-AzureRmRoleAssignment -RoleDefinitionName $spnRole -ServicePrincipalName $appId
Write-Output "SPN role assignment completed successfully" -Verbose
#Print the values
Write-Output "`nCopy and Paste below values for Service Connection" -Verbose
Write-Output "***************************************************************************"
Write-Output "Connection Name: $connectionName(SPN)"
Write-Output "Environment: $environmentName"
Write-Output "Subscription Id: $id"
Write-Output "Subscription Name: $connectionName"
Write-Output "Service Principal Id: $appId"
Write-Output "Service Principal key: <Password that you typed in>"
Write-Output "Tenant Id: $tenantId"
Write-Output "***************************************************************************"