Provision VM from existing OS disk and data disks

provision_vm.ps1

function New-ProvisionVirtualMachineCommand() {
	$command = (New-Object -TypeName PSObject -Prop (@{ 
			Name = $null;
			Size = $null;
			DnsLabel = $null;
			Location = $null;
			Credentials = $null
			ResourceGroup = @{ Name = $null; Location = $null }; 
			VirtualNetwork = @{ Name = $null; ResourceGroupName = $null; Location = $null; SubnetName = $null; };
			OS = @{ Windows = $true; Linux = $false };
			OsDisk = @{ VhdUri = $null; Caching = $null; Size = $null; };
			DataDisks = New-Object System.Collections.ArrayList
		}))

	return $command
}

function Provision-VirtualMachine($Command) {
	$vmName = $Command.Name.ToLower()

	Write-Output "`n"
	Ensure-ResourceGroup -Name $Command.ResourceGroup.Name -Location $Command.ResourceGroup.Location

	Write-LogEntry "`nCreating NIC for VM '$vmName' in '$($Command.VirtualNetwork.Name)/$($Command.VirtualNetwork.SubnetName)'"
	$nic = getNic -vmName $vmName -location $Command.Location -vnetInfo $Command.VirtualNetwork

	Write-LogEntry "Initializing VM '$vmName'."

	$vm = New-AzureRmVMConfig -VMName $vmName -VMSize $Command.Size
	$vm = Add-AzureRmVMNetworkInterface -VM $vm -Id $nic.Id -Primary

	Write-LogEntry "Attaching OS Disk."

	if ($Command.OS.Windows) {
		$vm = Set-AzureRmVMOSDisk -VM $vm -Name $Command.OsDisk.Name -VhdUri $Command.OsDisk.VhdUri -CreateOption Attach -Windows 
		#$vm = Set-AzureRmVMOSDisk -VM $vm -Name $Command.OsDisk.Name -VhdUri $Command.OsDisk.VhdUri -CreateOption Attach `
			  #-Caching $Command.OsDisk.Caching -Windows -DiskSizeInGB $Command.OsDisk.Size
	}
	else {
		$vm = Set-AzureRmVMOSDisk -VM $vm -Name $Command.OsDisk.Name -VhdUri $Command.OsDisk.VhdUri -CreateOption Attach -Linux
		#$vm = Set-AzureRmVMOSDisk -VM $vm -Name $Command.OsDisk.Name -VhdUri $Command.OsDisk.VhdUri -CreateOption Attach `
		#	  -Caching $Command.OsDisk.Caching -Linux -DiskSizeInGB $Command.OsDisk.Size
	}

	if ($Command.DataDisks.Count -gt 0) {
		Write-LogEntry "Attaching Data Disk(s)."

		$dataDisks = $Command.DataDisks

		for ($i=0; $i -lt $dataDisks.Count; $i++) {
			$diskInfo = $dataDisks[$i]
			$vm = Add-AzureRmVMDataDisk -VM $vm -Name $diskInfo.Name -VhdUri $diskInfo.VhdUri -LUN $i -Caching $diskInfo.Caching -DiskSizeinGB $diskInfo.Size -CreateOption Attach
		}
	}

	Write-LogEntry "Provisioning VM '$vmName'..."
	New-AzureRmVM -ResourceGroupName $Command.ResourceGroup.Name -Location $Command.Location -VM $vm | Out-Log
	Write-LogEntry "VM '$vmName' provisioning completed successfully."
}