template.network.json

{
  "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "location": {
      "type": "string",
      "metadata": {
        "description": "location of resources"
      }
    },
    "namingInfix": {
      "type": "string"
    },
    "addressPrefix": {
      "type": "string",
      "defaultValue": "10.0.0.0/16"
    },
    "subnets": {
      "type": "array"
    },
    "contentRoot": {
      "type": "string"
    }
  },
  "variables": {
    "resourceLocation": "[parameters('location')]",
    "contentRoot": "[parameters('contentRoot')]",
    "namingInfix": "[parameters('namingInfix')]",
    "virtualNetworkName": "[concat(variables('namingInfix'), '-vnet')]"
  },
  "resources": [
    {
      "type": "Microsoft.Resources/deployments",
      "name": "[concat(variables('namingInfix'),'-nsgs')]",
      "apiVersion": "2015-01-01",
      "properties": {
        "templateLink": {
          "contentVersion": "1.0.0.0",
          "uri": "[concat(parameters('contentRoot'), '/template.network.subnets.json')]"
        },
        "mode": "Incremental",
        "parameters": {
          "namingInfix": {
            "value": "[variables('namingInfix')]"
          },
          "location": {
            "value": "[variables('resourceLocation')]"
          },
          "subnets": {
            "value": "[parameters('subnets')]"
          },
          "contentRoot": {
            "value": "[variables('contentRoot')]"
          }
        }
      }
    },
    {
      "type": "Microsoft.Network/virtualNetworks",
      "name": "[variables('virtualNetworkName')]",
      "apiVersion": "2015-06-15",
      "location": "[variables('resourceLocation')]",
      "properties": {
        "addressSpace": {
          "addressPrefixes": [
            "[parameters('addressPrefix')]"
          ]
        },
        "subnets": "[reference(concat(variables('namingInfix'),'-nsgs')).outputs.subnets.value]"
      },
      "dependsOn": [
        "[concat(variables('namingInfix'),'-nsgs')]"
      ]
    }
  ],
  "outputs": {
    "Result": {
      "type": "object",
      "value": {
        "network" : "[reference(variables('virtualNetworkName'))]",
        "id" : "[resourceId('Microsoft.Network/virtualNetworks', variables('virtualNetworkName'))]"
      }
    }
  }
}