functions/Get-AzSMUnusedDisks.ps1
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function global:Get-AzSMUnusedDisks { <# .SYNOPSIS List unused managed disks in a subscription. .DESCRIPTION List unused managed disks in a subscription. .PARAMETER SubscriptionID Azure subscription ID in the format, 00000000-0000-0000-0000-000000000000 .PARAMETER ResourceGroupName A single Azure resource group name to scope query to .OUTPUTS Microsoft.Azure.Commands.Compute.Automation.Models.PSDiskList .EXAMPLE Get-AzSMUnusedDisks -SubscriptionID 00000000-0000-0000-0000-000000000000 .NOTES * CAN be piped to Remove-AzDisk. .LINK #> [CmdletBinding( DefaultParameterSetName='SubscriptionID', ConfirmImpact='Low' )] param( [Parameter(Mandatory=$true)][string] $SubscriptionID, [Parameter(Mandatory=$true)][string] $ResourceGroupName ) $null = Set-AzContext -SubscriptionId $SubscriptionID Write-Debug ('Subscription: {0}' -f $SubscriptionID) if ($ResourceGroupName.Length -gt 0) { $disks = Get-AzDisk -ResourceGroupName $ResourceGroupName|Where-Object{$_.ManagedBy.Length -lt 1} } else { $disks = Get-AzDisk|Where-Object{$_.ManagedBy.Length -lt 1} } Return $disks } Export-ModuleMember -Function Get-AzSMUnusedDisks |