azure vm windows - using terraform

 References:

Video by me: https://www.youtube.com/watch?v=HuXpQTjhtJc

Other references used:

https://adamtheautomator.com/terraform-azure-vm/

https://owendavies.net/articles/create-azure-virtual-machine-with-terraform/

terraform code:

## <https://www.terraform.io/docs/providers/azurerm/index.html>
provider "azurerm" {
  features {}
}

## <https://www.terraform.io/docs/providers/azurerm/r/resource_group.html>
resource "azurerm_resource_group" "rg" {
  name     = "TerraformTesting"
  location = "eastus"
}

## <https://www.terraform.io/docs/providers/azurerm/r/availability_set.html>
resource "azurerm_availability_set" "DemoAset" {
  name                = "example-aset"
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
}

## <https://www.terraform.io/docs/providers/azurerm/r/virtual_network.html>
resource "azurerm_virtual_network" "vnet" {
  name                = "vNet"
  address_space       = ["10.0.0.0/16"]
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
}

## <https://www.terraform.io/docs/providers/azurerm/r/subnet.html> 
resource "azurerm_subnet" "subnet" {
  name                 = "internal"
  resource_group_name  = azurerm_resource_group.rg.name
  virtual_network_name = azurerm_virtual_network.vnet.name
  address_prefixes      = ["10.0.2.0/24"]
}

## <https://www.terraform.io/docs/providers/azurerm/r/network_interface.html>
resource "azurerm_network_interface" "example" {
  name                = "example-nic"
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name

  ip_configuration {
    name                          = "internal"
    subnet_id                     = azurerm_subnet.subnet.id
    private_ip_address_allocation = "Dynamic"
    public_ip_address_id = azurerm_public_ip.myvm1publicip.id
  }
}

resource "azurerm_public_ip" "myvm1publicip" {
  name = "pip1"
  location = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
  allocation_method = "Dynamic"
  sku = "Basic"
}

## <https://www.terraform.io/docs/providers/azurerm/r/windows_virtual_machine.html>
resource "azurerm_windows_virtual_machine" "example" {
  name                = "example-machine"
  resource_group_name = azurerm_resource_group.rg.name
  location            = azurerm_resource_group.rg.location
  size                = "Standard_F2"
  admin_username      = "adminuser"
  admin_password      = "P@$$w0rd1234!"
  availability_set_id = azurerm_availability_set.DemoAset.id
  network_interface_ids = [
    azurerm_network_interface.example.id,
  ]

  os_disk {
    caching              = "ReadWrite"
    storage_account_type = "Standard_LRS"
  }

  source_image_reference {
    publisher = "MicrosoftWindowsServer"
    offer     = "WindowsServer"
    sku       = "2016-Datacenter"
    version   = "latest"
  }
}

Outputs to access:

output "public_ip_address" {
  value = azurerm_windows_virtual_machine.example.public_ip_address
}

output "username" {
  value = azurerm_windows_virtual_machine.example.admin_username
}

output "password" {
  value     = azurerm_windows_virtual_machine.example.admin_password
  sensitive = true
}

Full code sample:

main.tf:

## <https://www.terraform.io/docs/providers/azurerm/index.html>
provider "azurerm" {
  features {}
}

## <https://www.terraform.io/docs/providers/azurerm/r/resource_group.html>
resource "azurerm_resource_group" "rg" {
  name     = var.rg
  location = var.location
}

## <https://www.terraform.io/docs/providers/azurerm/r/availability_set.html>
resource "azurerm_availability_set" "DemoAset" {
  name                = "example-aset"
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
}

## <https://www.terraform.io/docs/providers/azurerm/r/virtual_network.html>
resource "azurerm_virtual_network" "vnet" {
  name                = "vNet"
  address_space       = ["10.0.0.0/16"]
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
}

## <https://www.terraform.io/docs/providers/azurerm/r/subnet.html> 
resource "azurerm_subnet" "subnet" {
  name                 = "internal"
  resource_group_name  = azurerm_resource_group.rg.name
  virtual_network_name = azurerm_virtual_network.vnet.name
  address_prefixes      = ["10.0.2.0/24"]
}

## <https://www.terraform.io/docs/providers/azurerm/r/network_interface.html>
resource "azurerm_network_interface" "example" {
  name                = "example-nic"
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name

  ip_configuration {
    name                          = "internal"
    subnet_id                     = azurerm_subnet.subnet.id
    private_ip_address_allocation = "Dynamic"
    public_ip_address_id = azurerm_public_ip.myvm1publicip.id
  }
}

resource "azurerm_public_ip" "myvm1publicip" {
  name = var.pip
  location = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
  allocation_method = "Dynamic"
  sku = "Basic"
}

## <https://www.terraform.io/docs/providers/azurerm/r/windows_virtual_machine.html>
resource "azurerm_windows_virtual_machine" "example" {
  name                = var.machine_name
  resource_group_name = azurerm_resource_group.rg.name
  location            = azurerm_resource_group.rg.location
  size                = "Standard_F2"
  admin_username      = var.admin_username
  admin_password      = var.admin_password
  availability_set_id = azurerm_availability_set.DemoAset.id
  network_interface_ids = [
    azurerm_network_interface.example.id,
  ]

  os_disk {
    caching              = "ReadWrite"
    storage_account_type = "Standard_LRS"
  }

  source_image_reference {
    publisher = "MicrosoftWindowsServer"
    offer     = "WindowsServer"
    sku       = "2016-Datacenter"
    version   = "latest"
  }
  }

vars.tf:

variable "machine_name" {
  type = string
  default = "example-machine"
}

variable "admin_username" {
  type = string
  default = "adminuser"
}

variable "admin_password" {
  type = string
  default = "P@$$w0rd1234!"
}

variable "pip" {
  type = string
  default = "pip1"
}

variable "rg" {
  type = string
  default = "TerraformTesting"
}

variable "location" {
  type = string
  default = "eastus"
}

terraform.tfvars:

machine_name = "testvm"
admin_password = "Notallowed1!"
pip = "pip2"
rg = "UdayTerraformTesting"
location = "westus2"