Create VM From Snapshot

CreateVMFromSnapshot.ps1

$conn = Get-AutomationConnection -Name 'AzureRunAsConnection'

Add-AzAccount -ServicePrincipal `
-TenantId $conn.TenantId `
-ApplicationId $conn.ApplicationId `
-CertificateThumbprint $conn.CertificateThumbprint

$sub = '4' #subnet number
$iteration = '10' # instance number

$subscriptionId = 'your_subscription_id'
$resourceGroupName = 'Farm'
$snapshotName = 'windows_image'
$location = 'centralus'
$storageType = 'Premium_LRS'

$NetworkName = "VNET_name"
$SubnetName = "sub$($sub)" #subnet 
$VMSize = "Standard_DS2_v2" #choose your vm size. This was the best for us
$OSCreateOption = "Attach"

$vmInitial = "win"
 
$VMName = "$($vmInitial)_$($sub)_$($iteration)"

$timestamp =  Get-Date -UFormat %s # we are going to use timestamp to make sure there are no conflicts 
$diskName = "$($vmInitial)_hd_$($sub)_$($iteration)_$($timestamp)"
$NICName = "$($vmInitial)_nic_$($sub)_$($iteration)_$($timestamp)"
$privateIp = "10.0.$($sub).$($iteration)"

Select-AzSubscription -SubscriptionId $SubscriptionId
$snapshot = Get-AzSnapshot -ResourceGroupName $resourceGroupName -SnapshotName $snapshotName
$diskConfig = New-AzDiskConfig -AccountType $storageType -Location $location -CreateOption Copy -SourceResourceId $snapshot.Id
Write-Output "Disk creation started"
$disk = New-AzDisk -Disk $diskConfig -ResourceGroupName $resourceGroupName -DiskName $diskName 
Write-Output "Disk created"

$vNet = Get-AzVirtualNetwork -Name $NetworkName
$SingleSubnet = Get-AzVirtualNetworkSubnetConfig -VirtualNetwork $vNet -Name $SubnetName
Write-Output "NIC creation started"
$NIC = New-AzNetworkInterface -Name $NICName -ResourceGroupName $ResourceGroupName -Location $location -SubnetId $SingleSubnet[0].Id -PrivateIpAddress $privateIp
Write-Output "NIC created"

Write-Output "Disk State: $($disk.ProvisioningState)"
# wait until disk is created 
while ($null -eq $disk -or $null -eq $disk.Id -or $disk.ProvisioningState -ne "Succeeded") {
    Start-Sleep -Seconds 1
    $disk = Get-AzDisk -ResourceGroupName $resourceGroupName -DiskName $diskName
}
Write-Output "Disk found"

$VirtualMachine = New-AzVMConfig -VMName $VMName -VMSize $VMSize
$VirtualMachine = Add-AzVMNetworkInterface -VM $VirtualMachine -Id $NIC.Id
$VirtualMachine = Set-AzVMOSDisk -VM $VirtualMachine -CreateOption $OSCreateOption -Windows -ManagedDiskId $disk.Id
$VirtualMachine = Set-AzVMBootDiagnostic -VM $VirtualMachine -Disable

Write-Output "Started creating VM: $($VMName)"
New-AzVM -ResourceGroupName $ResourceGroupName -Location $location -VM $VirtualMachine
Write-Output "Created VM: $($VMName)"

CreateVMWebhook.ps1

param(
    [Parameter(Mandatory = $true)]
    [object]$WebhookData
)

$data = ConvertFrom-Json -InputObject $WebhookData.RequestBody

$iteration = $data.iteration
$sub = $data.sub

.\Login.ps1

$subscriptionId = 'your_subscription_id'
$resourceGroupName = 'Farm'
$snapshotName = 'windows_image'
$location = 'centralus'
$storageType = 'Premium_LRS'

$NetworkName = "VNET_name"
$SubnetName = "sub$($sub)" #subnet 
$VMSize = "Standard_DS2_v2" #choose your vm size. This was the best for us
$OSCreateOption = "Attach"

$vmInitial = "win"
 
$VMName = "$($vmInitial)_$($sub)_$($iteration)"

$timestamp =  Get-Date -UFormat %s # we are going to use timestamp to make sure there are no conflicts 
$diskName = "$($vmInitial)_hd_$($sub)_$($iteration)_$($timestamp)"
$NICName = "$($vmInitial)_nic_$($sub)_$($iteration)_$($timestamp)"
$privateIp = "10.0.$($sub).$($iteration)"

Select-AzSubscription -SubscriptionId $SubscriptionId
$snapshot = Get-AzSnapshot -ResourceGroupName $resourceGroupName -SnapshotName $snapshotName
$diskConfig = New-AzDiskConfig -AccountType $storageType -Location $location -CreateOption Copy -SourceResourceId $snapshot.Id
Write-Output "Disk creation started"
$disk = New-AzDisk -Disk $diskConfig -ResourceGroupName $resourceGroupName -DiskName $diskName 
Write-Output "Disk created"

$vNet = Get-AzVirtualNetwork -Name $NetworkName
$SingleSubnet = Get-AzVirtualNetworkSubnetConfig -VirtualNetwork $vNet -Name $SubnetName
Write-Output "NIC creation started"
$NIC = New-AzNetworkInterface -Name $NICName -ResourceGroupName $ResourceGroupName -Location $location -SubnetId $SingleSubnet[0].Id -PrivateIpAddress $privateIp
Write-Output "NIC created"

Write-Output "Disk State: $($disk.ProvisioningState)"
# wait until disk is created 
while ($null -eq $disk -or $null -eq $disk.Id -or $disk.ProvisioningState -ne "Succeeded") {
    Start-Sleep -Seconds 1
    $disk = Get-AzDisk -ResourceGroupName $resourceGroupName -DiskName $diskName
}
Write-Output "Disk found"

$VirtualMachine = New-AzVMConfig -VMName $VMName -VMSize $VMSize
$VirtualMachine = Add-AzVMNetworkInterface -VM $VirtualMachine -Id $NIC.Id
$VirtualMachine = Set-AzVMOSDisk -VM $VirtualMachine -CreateOption $OSCreateOption -Windows -ManagedDiskId $disk.Id
$VirtualMachine = Set-AzVMBootDiagnostic -VM $VirtualMachine -Disable

Write-Output "Started creating VM: $($VMName)"
New-AzVM -ResourceGroupName $ResourceGroupName -Location $location -VM $VirtualMachine
Write-Output "Created VM: $($VMName)"

DeleteVM.ps1

param(
    [Parameter(Mandatory = $true)]
    [object]$WebhookData
)

$data = ConvertFrom-Json -InputObject $WebhookData.RequestBody

$iteration = $data.iteration
$sub = $data.sub

$conn = Get-AutomationConnection -Name 'AzureRunAsConnection'

Add-AzAccount -ServicePrincipal `
    -TenantId $conn.TenantId `
    -ApplicationId $conn.ApplicationId `
    -CertificateThumbprint $conn.CertificateThumbprint

$subscriptionId = 'cdd99c98-0c19-4690-bc63-6db62c19a3d4'
$resourceGroupName = 'Farm'

$vmInitial = "win"

$VMName = "$($vmInitial)_$($sub)_$($iteration)"
Remove-AzVM -ResourceGroupName $ResourceGroupName -Name $VMName -Force 

.\DeleteIdleNICAndDisk.ps1

login.ps1

$conn = Get-AutomationConnection -Name 'AzureRunAsConnection'

Add-AzAccount -ServicePrincipal `
    -TenantId $conn.TenantId `
    -ApplicationId $conn.ApplicationId `
    -CertificateThumbprint $conn.CertificateThumbprint