Functions/Switch-AzureV2VMOSDisk.ps1
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Function Switch-AzureV2VMOSDisk { <# .SYNOPSIS Backup and switch Virtual machine's OS disk .DESCRIPTION This cmdlet will backup a virtual machine's Operating System disk. .PARAMETER SubscriptionId Subscription ID for the subscription that virtual machine is on. Required .PARAMETER rgName The Resource Group the virtual machine belongs to. Required .PARAMETER vmName The name of the virtual machine you need to create image from to be deleted. Required .NOTES Author : Hannel Hazeley - hhazeley@outlook.com .LINK https://github.com/hhazeley/HannelsToolBox/blob/master/Functions/Switch-AzureV2VMOSDisk.ps1 .EXAMPLE Switch-AzureV2VMOSDisk -SubscriptionId 1d6737e7-4f6c-4e3c-8cd4-996b6f003d0e -rgName DVideoRG1 -vmName DV1-DPBIMG-001 Creates a backup of the OS Disk of virtual machine and switch OS disk to newly created backup. #> Param( [Parameter(Mandatory=$true)] $SubscriptionId, [Parameter(Mandatory=$true)] $rgName, [Parameter(Mandatory=$true)] $vmName ) $ErrorActionPreference = "SilentlyContinue" $WarningPreference = "SilentlyContinue" #Function for error checks Function ErrorCheck{ If ($errorck -ne $null) { Write-host Write-host -ForegroundColor Red "ERROR: " -NoNewline Write-Host -ForegroundColor Red $errorck Write-host Break } } #Selecting subscription $hout = Select-AzureRmSubscription -SubscriptionId $SubscriptionId -ErrorVariable errorck ErrorCheck #Backup VHD $vm = Get-AzureRmVM -ResourceGroupName $rgName -Name $vmName -ErrorVariable errorck ErrorCheck $status = Get-AzureRmVM -ResourceGroupName $rgName -Name $vmName -Status $state = $status.Statuses[1].Code if ($state -ne "PowerState/deallocated") { Write-host Write-host -ForegroundColor Red "Virtual machine $vmName needs to be in a 'deallocated' state to switch disk. Please stop virtual machine and retry switch operation again." Write-host Break } else { $osDisk = $vm.StorageProfile.OsDisk if ($osDisk.ManagedDisk -eq $null) { $vhduri = $vm.StorageProfile.OsDisk.Vhd.Uri $saName = ($vhduri).Split('/')[2].Split('.')[0] $vhdName = ($vhduri).Split('/')[-1] $contName = ($vhduri).Split('/')[-2] $sa = Get-AzureRmStorageAccount -ResourceGroupName $rgName -Name $saName -ErrorVariable errorck ErrorCheck $sasToken = $sa | New-AzureStorageAccountSASToken -Service Blob -ResourceType Container,Object -Permission racwl -ErrorVariable errorck ErrorCheck $srccontext = New-AzureStorageContext -SasToken "$sasToken" -StorageAccountName $saName -Protocol Https $hout = New-AzureStorageContainer -Name backup -Context $srccontext $diskdate = Get-Date -Format yyMMddHHmmss $bvhdName = $vmName +"-OSDisk-bk$diskdate.vhd" $bvhd = Start-AzureStorageBlobCopy -SrcBlob $vhdName -SrcContainer $contName -Context $srccontext -DestBlob $bvhdName -DestContainer backup -DestContext $srccontext -ErrorVariable errorck ErrorCheck Write-Host -ForegroundColor Green "Backup Completed. VHD $vhdName has been copied to $bvhdName in the 'backup' container" Write-Host -ForegroundColor Green "Switching OS Disk for $vmName to new back up disk $bvhdName........" $newvhduri = $bvhd.Context.BlobEndPoint+"backup/"+$bvhd.Name $vm.StorageProfile.OsDisk.Vhd.Uri = $newvhduri Update-AzureRmVM -ResourceGroupName $rgname -VM $vm -ErrorVariable errorck ErrorCheck Write-Host -ForegroundColor Green "Switch Completed. Disk $bvhdName now attached to VM $vmName" Write-Host " " Write-Host -ForegroundColor Green "Original VHDUri: " -NoNewline Write-Host -ForegroundColor Cyan $vhduri Write-Host " " } else { $osDiskID = $osDisk.ManagedDisk.Id $bdisk = New-AzureRmDiskConfig -CreateOption Copy -Location $vm.location -OsType $osDisk.OsType -SourceResourceId $osDiskID $diskdate = Get-Date -Format yyMMddHHmmss $bdiskName = $vmName +"-OSDisk-bk"+$diskdate $bdisk = New-AzureRmDisk -Disk $bdisk -DiskName $bdiskName -ResourceGroupName $rgName -ErrorVariable errorck ErrorCheck Write-Host -ForegroundColor Green "Backup Completed. Disk"$osDisk.Name"has been copied to"$bdisk.Name"." Write-Host -ForegroundColor Green "Switching OS Disk for $vmName to new back up disk"$bdisk.Name"........" #Set the new disk properties and update the VM Set-AzureRmVMOSDisk -VM $vm -ManagedDiskId $bdisk.Id -Name $bdisk.Name | Update-AzureRmVM -ErrorVariable errorck ErrorCheck Write-Host -ForegroundColor Green "Switch Completed. Disk"$bdisk.Name"now attached to VM $vmName" Write-Host " " Write-Host -ForegroundColor Green "Original ManagedDisk ID: " -NoNewline Write-Host -ForegroundColor Cyan $osDiskID Write-Host " " } } } Export-ModuleMember -Function Switch-AzureV2VMOSDisk |