Azure PowerShell – Create Virtual Network Within Resource Group

This is still a work in progress to include all the variables but the script below will create a Resource Group then create a Virtual Network with 3 subnets and a gateway along with custom DNS.

# Main Reference: https://docs.microsoft.com/en-us/azure/virtual-network/virtual-networks-create-vnet-arm-ps

Clear

Write-verbose "Setting Environment Variables - Start"

$VNetName = “azuredev-eastus-vnet”
$VNetPrefix = “10.40.0.0/24”
$SubNet01Name = “AppSubnet”
$SubNet01Prefix = “10.40.0.0/25”
$SubNet02Name = “ServicesSubnet”
$SubNet02Prefix = “10.40.0.128/26”
$SubNet03Name = “DataSubnet”
$SubNet03Prefix = “10.40.0.192/27”
$GWSubName = “Gateway”
$GWSubPrefix = “10.40.0.224/29”
$VPNClientAddressPool = “172.16.201.0/24”
$RG = “azuredev-eastus-rg”
$Location = “East US”
$DNS01 = “208.67.222.222”
$DNS02 = “208.67.220.220”
$GWName = “azuredev-eastus-gw”
$GWIPName = “azuredev-eastus-gwip”
$GWIPconfName = “azuredev-eastus-gwipconf”
$P2SRootCertName = “azuredev-eastus-RootCertificate”

Write-verbose "Setting Environment Variables - Stop"

# Log into Azure Account
# Login-AzureRmAccount

# List all Azure Subscriptions
# Get-AzureSubscription | Format-Table subscriptionname, subscriptionid

#Write-Verbose "Select Azure Subscription"
#Select-AzureRmSubscription -SubscriptionId <Subscription ID> # Dev


Write-Verbose "Creating a New Azure Resource Group $RG"
New-AzureRmResourceGroup -Name $RG -Location $Location

Write-Verbose "Creating a Virtual Network $VNetName within the Resource Group $RG"
New-AzureRmVirtualNetwork -ResourceGroupName $RG -Name $VNetName -AddressPrefix $VNetPrefix -Location $Location -DnsServer $DNS01,$DNS02

$vnet = Get-AzureRmVirtualNetwork -ResourceGroupName $RG -Name $VNetName

Write-Verbose "Creating Subnet $SubNet01Name within $VNetName "
Add-AzureRmVirtualNetworkSubnetConfig -Name $SubNet01Name  -VirtualNetwork $vnet -AddressPrefix $SubNet01Prefix

Write-Verbose "Creating Subnet $SubNet02Name within $VNetName "
Add-AzureRmVirtualNetworkSubnetConfig -Name $SubNet02Name  -VirtualNetwork $vnet -AddressPrefix $SubNet02Prefix

Write-Verbose "Creating Subnet $SubNet03Name within $VNetName "
Add-AzureRmVirtualNetworkSubnetConfig -Name $SubNet03Name  -VirtualNetwork $vnet -AddressPrefix $SubNet03Prefix

Write-Verbose "Creating Subnet $GWSubName within $VNetName "
Add-AzureRmVirtualNetworkSubnetConfig -Name $GWSubName  -VirtualNetwork $vnet -AddressPrefix $GWSubPrefix

Write-Verbose "Save Changes To $VNetName in Azure"
Set-AzureRmVirtualNetwork -VirtualNetwork $vnet