vnet-hub.json

{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "vnetName": {
           "type": "string",
           "defaultValue": "hubnet"
        },
        "vnetAddressPrefixes": {
           "type": "array",
           "defaultValue": ["10.10.0.0/16"]
        },
        "subnets": {
           "type": "array",
           "defaultValue": [
               {"name": "GatewaySubnet", "addressPrefix": "10.10.0.0/24"},
               {"name": "frontEnd", "addressPrefix": "10.10.1.0/24"},
               {"name": "backEnd", "addressPrefix": "10.10.2.0/24"}
           ]
        },
        "createGateway": {
           "type": "bool",
           "defaultValue": false
        },
        "gatewaySku": {
           "type": "string",
           "defaultValue": "Basic",
           "allowedValues": [
               "Basic",
               "VpnGw1",
               "VpnGw2"
           ]
        }
    },
    "variables": {
        "gatewayName": "[concat(parameters('vnetName'), '-gateway')]",
        "gatewayPublicIpName": "[concat(parameters('vnetName'), '-gateway-pip')]",
        "vnetId": "[resourceId('Microsoft.Network/virtualNetwork', parameters('vnetName'))]",  
        "gatewayPipId": "[resourceId('Microsoft.Network/publicIpAddresses', variables('gatewayPublicIpName'))]",
        "gatewaySubnetId": "[concat(variables('vnetId'), '/subnets/GatewaySubnet')]",
        "vpnType": "RouteBased"
    },
    "resources": [
        {
            "type": "Microsoft.Network/virtualNetworks",
            "apiVersion": "2018-08-01",
            "name": "[concat(parameters('vnetName'))]",
            "location": "[resourceGroup().location]",
            "properties": {
                "addressSpace": {
                    "addressPrefixes": "[parameters('vnetAddressPrefixes')]"
                },
                "copy": [{
                    "name": "subnets",
                    "count": "[length(parameters('subnets'))]",
                    "input": {
                        "name": "[parameters('subnets')[copyIndex('subnets')].name]",
                        "properties": {
                            "addressPrefix": "[parameters('subnets')[copyIndex('subnets')].addressPrefix]"
                        }
                    }
                }]
            }
        },
        {
            "condition": "[parameters('createGateway')]",
            "apiVersion": "2015-06-15",
            "type": "Microsoft.Network/virtualNetworkGateways",
            "name": "[variables('gatewayName')]",
            "location": "[resourceGroup().location]",
            "dependsOn": [
                "[concat('Microsoft.Network/publicIPAddresses/', variables('gatewayPublicIpName'))]",
                "[concat('Microsoft.Network/virtualNetworks/', parameters('vnetName'))]"
            ],
            "properties": {
            "ipConfigurations": [
                {
                "properties": {
                    "privateIPAllocationMethod": "Dynamic",
                    "subnet": {
                        "id": "[variables('gatewaySubnetId')]"
                    },
                    "publicIPAddress": {
                        "id": "[resourceId('Microsoft.Network/publicIPAddresses',variables('gatewayPublicIpName'))]"
                    }
                },
                "name": "vnetGatewayConfig"
                }
            ],
            "sku": {
                "name": "[parameters('gatewaySku')]",
                "tier": "[parameters('gatewaySku')]"
            },
            "gatewayType": "Vpn",
            "vpnType": "[variables('vpnType')]",
            "enableBgp": "false"
            }
        },
        {
            "condition": "[parameters('createGateway')]",
            "type": "Microsoft.Network/publicIPAddresses",
            "apiVersion": "2018-08-01",
            "name": "[variables('gatewayPublicIpName')]",
            "location": "[resourceGroup().location]",
            "properties": {
                "publicIPAllocationMethod": "Dynamic"
            }
        }
    ],
    "outputs": {
        "gatewayPipId": {
           "type": "string",
           "value": "[variables('gatewayPipId')]"
        }
    }
}