Public/Get-PSUInstalledEnvironment.ps1
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function Get-PSUInstalledEnvironment { <# .SYNOPSIS Detects the PowerShell Universal deployment environment. .DESCRIPTION Determines whether PSU is running in an Azure Web App or on-premises by checking for Azure App Service-specific environment variables. .OUTPUTS [PSCustomObject] with properties: - Environment: 'AzureWebApp' or 'OnPremises' - SupportsManagedIdentity: $true/$false - Description: Human-readable description - WebsiteName: Azure site name (if Azure) .EXAMPLE Get-PSUInstalledEnvironment # Returns environment detection result #> [CmdletBinding()] [OutputType([PSCustomObject])] param() # Return cached value if available if ($script:PSUEnvironment) { $script:PSUEnvironment } else { # Azure App Service environment variables $websiteSiteName = [System.Environment]::GetEnvironmentVariable('WEBSITE_SITE_NAME') $websiteInstanceId = [System.Environment]::GetEnvironmentVariable('WEBSITE_INSTANCE_ID') $isAzureWebApp = $null -ne $websiteSiteName -or $null -ne $websiteInstanceId if ($isAzureWebApp) { $script:PSUEnvironment = [PSCustomObject]@{ Environment = 'AzureWebApp' SupportsManagedIdentity = $true Description = 'Running in Azure App Service. Managed Identity authentication is available.' WebsiteName = $websiteSiteName } } else { $script:PSUEnvironment = [PSCustomObject]@{ Environment = 'OnPremises' SupportsManagedIdentity = $false Description = 'Running on-premises. Use Service Principal or Interactive authentication for Azure access.' WebsiteName = $null } } $script:PSUEnvironment } } |