AzDnsFwd-Template.json

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "adminUsername": {
      "type": "string",
      "metadata": {
        "description": "Username for the Virtual Machine."
      }
    },
    "adminPassword": {
      "type": "securestring",
      "minLength": 8,
      "metadata": {
        "description": "Password for the Virtual Machine."
      }
    },

    "VnetName": {
      "type": "string",
      "metadata": {
        "description": "Name of the existing virtual network to deploy the VM into."
      }
    },
    "SubnetName": {
      "type": "string",
      "metadata": {
        "description": "Name of the existing subnet to deploy the VM into."
      }
    },      
    "OSVersion": {
      "type": "string",
      "defaultValue": "2019-Datacenter",
      "allowedValues": [
        "2012-R2-Datacenter",
        "2016-Datacenter",
        "2019-Datacenter"
      ],
      "metadata": {
        "description": "The Windows version for the VM."
      }
    },
    "vmSize": {
      "type": "string",
      "defaultValue": "Standard_DS1_v2",
      "metadata": {
        "description": "Size of the VM."
      }
    },
    "vmName": {
      "type": "string",
      "defaultValue": "AzDnsFwd",
      "metadata": {
        "description": "Name of the virtual machine."
      }
    }
  },
  "variables": {
    "storageAccountName": "[concat('bootdiags', uniquestring(resourceGroup().id))]",
    "nicName": "[concat(parameters('vmName'),'Nic')]",
    "subnetId": "[resourceId(resourceGroup().name, 'Microsoft.Network/virtualNetworks/subnets', parameters('VnetName'), parameters('subnetName'))]"
  },
  "resources": [
    {
      "type": "Microsoft.Storage/storageAccounts",
      "apiVersion": "2019-06-01",
      "name": "[variables('storageAccountName')]",
      "location": "[resourceGroup().location]",
      "sku": {
        "name": "Standard_LRS"
      },
      "kind": "Storage",
      "properties": {}
    },
    {
      "type": "Microsoft.Network/networkInterfaces",
      "apiVersion": "2020-06-01",
      "name": "[variables('nicName')]",
      "location": "[resourceGroup().location]",
      "properties": {
        "ipConfigurations": [
          {
            "name": "ipconfig1",
            "properties": {
              "privateIPAllocationMethod": "Dynamic",
              "subnet": {
                "id": "[variables('subnetId')]"
              }
            }
          }
        ]
      }
    },
    {
      "type": "Microsoft.Compute/virtualMachines",
      "apiVersion": "2020-06-01",
      "name": "[parameters('vmName')]",
      "location": "[resourceGroup().location]",
      "dependsOn": [
        "[resourceId('Microsoft.Storage/storageAccounts', variables('storageAccountName'))]",
        "[resourceId('Microsoft.Network/networkInterfaces', variables('nicName'))]"
      ],
      "properties": {
        "hardwareProfile": {
          "vmSize": "[parameters('vmSize')]"
        },
        "osProfile": {
          "computerName": "[parameters('vmName')]",
          "adminUsername": "[parameters('adminUsername')]",
          "adminPassword": "[parameters('adminPassword')]"
        },
        "storageProfile": {
          "imageReference": {
            "publisher": "MicrosoftWindowsServer",
            "offer": "WindowsServer",
            "sku": "[parameters('OSVersion')]",
            "version": "latest"
          },
          "osDisk": {
            "createOption": "FromImage",
            "managedDisk": {
              "storageAccountType": "StandardSSD_LRS"
            }
          },
          "dataDisks": [
            {
              "diskSizeGB": 1023,
              "lun": 0,
              "createOption": "Empty"
            }
          ]
        },
        "networkProfile": {
          "networkInterfaces": [
            {
              "id": "[resourceId('Microsoft.Network/networkInterfaces', variables('nicName'))]"
            }
          ]
        },
        "diagnosticsProfile": {
          "bootDiagnostics": {
            "enabled": true,
            "storageUri": "[reference(resourceId('Microsoft.Storage/storageAccounts', variables('storageAccountName'))).primaryEndpoints.blob]"
          }
        }
      }
    },
  {
    "type": "Microsoft.Compute/virtualMachines/extensions",
    "name": "[concat(parameters('vmName'), '/', 'DnsServer')]",
    "apiVersion": "2019-07-01",
    "location": "[resourceGroup().location]",
    "tags": {
        "displayName": "DNS role on the VM"
    },
    "dependsOn": [
        "[resourceId('Microsoft.Compute/virtualMachines', parameters('vmName'))]"
    ],
    "properties": {
        "publisher": "Microsoft.Compute",
        "type": "CustomScriptExtension",
        "typeHandlerVersion": "1.10",
        "autoUpgradeMinorVersion": true,
        "settings": {
            "fileUris": [
                "https://raw.githubusercontent.com/Tchimwa/Azure-DNS-Forwarder/main/dnsforwarder.ps1"
            ]
        },
        "protectedSettings": {
            "commandToExecute": "powershell -ExecutionPolicy Unrestricted -file dnsforwarder.ps1"
          }
      }
    }
  ],
  "outputs": {
    "VM - IP Address": {
      "type": "string",
      "value": "[reference(variables('nicName')).ipConfigurations[0].properties.privateIPAddress]"
    }
  }
}