Implement support for customized private range setup

[kostapsimoulis]

Hello,

Since the new features were added on the latest merge, I was wondering if it would be easy to add support for a customized private range setup.

e.g.

$rgName = "resourceGroupName"
$vnet = Get-AzVirtualNetwork -ResourceGroupName $rgName -Name "vnet"
$pip = Get-AzPublicIpAddress -ResourceGroupName $rgName -Name "publicIpName"

New-AzFirewall -Name "azFw" -ResourceGroupName $rgName -Location centralus -VirtualNetwork $vnet -PublicIpAddress $pip -PrivateRange @("99.99.99.0/24", "66.66.0.0/16")

https://docs.microsoft.com/en-us/powershell/module/az.network/new-azfirewall?view=azps-3.6.1&viewFallbackFrom=azps-3.3.0

@arnaudlh I am willing to contribute into this implementation if you could provide some quick guidelines about what needs to be done.

Thank you.

[arnaudlh]

hi @kostapsimoulis, this is still pending TF implementation as per: hashicorp/terraform-provider-azurerm#7504