newvnet.json

{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "location": {
      "type": "string",
      "metadata": {
        "description": "Location where to create the resources"
      }
    },
    "virtualNetworkName": {
      "type": "string",
      "metadata": {
        "description": "Name of the Virtual Network"
      }
    },
    "virtualNetworkAddressPrefix": {
      "type": "string",
      "metadata": {
        "description": "Address Prefix for Virtual Network"
      }
    },
    "controllerSubnetName": {
      "type": "string",
      "metadata": {
        "description": "Name of first Subnet"
      }
    },
    "controllerSubnetPrefix": {
      "type": "string",
      "metadata": {
        "description": "Address Prefix for first Subnet"
      }
    },
    "nodeSubnetName": {
      "type": "string",
      "metadata": {
        "description": "The Controller Subnet name"
      }
    },
    "nodeSubnetPrefix": {
      "type": "string",
      "metadata": {
        "description": "The Controller Subnet prefix"
      }
    },
    "apiVersion": {
      "type": "string",
      "metadata": {
        "description": "Api version"
      }
    }
  },
  "variables": {
    "vnetID": "[resourceId('Microsoft.Network/virtualNetworks',parameters('virtualNetworkName'))]",
    "controllerSubnet": "[concat(variables('vnetID'),'/subnets/',parameters('controllerSubnetName'))]",
    "nodeSubnet": "[concat(variables('vnetID'),'/subnets/',parameters('nodeSubnetName'))]"
  },
  "resources": [
    {
      "apiVersion": "[parameters('apiVersion')]",
      "type": "Microsoft.Network/virtualNetworks",
      "name": "[parameters('virtualNetworkName')]",
      "location": "[parameters('location')]",
      "properties": {
        "addressSpace": {
          "addressPrefixes": [
            "[parameters('virtualNetworkAddressPrefix')]"
          ]
        },
        "subnets": [
          {
            "name": "[parameters('controllerSubnetName')]",
            "properties": {
              "addressPrefix": "[parameters('controllerSubnetPrefix')]"
            }
          },
          {
            "name": "[parameters('nodeSubnetName')]",
            "properties": {
              "addressPrefix": "[parameters('nodeSubnetPrefix')]"
            }
          }
        ]
      }
    }
  ],
  "outputs": {
    "controllerSubnetId": {
      "value": "[variables('controllerSubnet')]",
      "type": "string"
    },
    "nodeSubnetId": {
      "value": "[variables('nodeSubnet')]",
      "type": "string"
    }
  }
}