functions/Get-AzSMEmptyFunctionApps.ps1
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function global:Get-AzSMEmptyFunctionApps { <# .SYNOPSIS Lists FunctionApps with no function in a subscription. .DESCRIPTION Lists FunctionApps with no function in a subscription. .PARAMETER SubscriptionID Azure subscription ID in the format, 00000000-0000-0000-0000-000000000000 .OUTPUTS AzureSaveMoney.MyRGandName .EXAMPLE Get-AzSMEmptyFunctionApps -Subscription 00000000-0000-0000-0000-000000000000 Get a list of FunctionApps with no function in a subscription. .EXAMPLE Get-AzSMEmptyFunctionApps -SubscriptionID 00000000-0000-0000-0000-000000000000 -ResourceGroupName <RG>|Remove-AzFunctionApp .NOTES * Will only find empty FunctionApps that are running - We can't see functions in stopped FunctionApps. * CAN be piped to Remove-AzFunctionApp. * When piping to remove resources, include the -force parameter to supress prompts. .LINK #> [CmdletBinding( DefaultParameterSetName = 'SubscriptionID', ConfirmImpact = 'low' )] param( [Parameter(Mandatory = $true)][string] $SubscriptionID, [Parameter(Mandatory=$false)][string] $ResourceGroupName ) $null = Set-AzContext -SubscriptionId $SubscriptionID Write-Debug ('Subscription: {0}' -f $SubscriptionID) if ($ResourceGroupName.Length -gt 0) { foreach ($FunctionApp in Get-AzFunctionApp -ResourceGroupName $ResourceGroupName) { if ($FunctionApp.State -ne 'Stopped') { # We can't see functions in stopped apps, so we ignore them $GetAzResourceParameters = @{ ResourceType = 'Microsoft.Web/sites/functions' ResourceGroupName = $FunctionApp.ResourceGroup ResourceName = $FunctionApp.Name ApiVersion = '2020-06-01' ErrorAction = 'SilentlyContinue' } $Functions = Get-AzResource @GetAzResourceParameters if (!$Functions) { $FunctionApp } } } } else { foreach ($FunctionApp in Get-AzFunctionApp) { if ($FunctionApp.State -ne 'Stopped') { # We can't see functions in stopped apps, so we ignore them $GetAzResourceParameters = @{ ResourceType = 'Microsoft.Web/sites/functions' ResourceGroupName = $FunctionApp.ResourceGroup ResourceName = $FunctionApp.Name ApiVersion = '2020-06-01' ErrorAction = 'SilentlyContinue' } $Functions = Get-AzResource @GetAzResourceParameters if (!$Functions) { $FunctionApp } } } } } Export-ModuleMember -Function Get-AzSMEmptyFunctionApps |