Virtual Machine IaC

Podemos utilizar Terraform y varios otros lenguajes para crear una máquina virtual.

# Proveedor Azure
# En este caso estamos usando las credenciales de la cuenta que está logada
# No nos estamos importando dónde está el state file.
provider "azurerm" {
  features {}
}

variable "resource_group_name" {
  description = "Nombre del grupo de recursos"
  type        = string
  default     = "test-rg"
}

variable "location" {
  description = "Región de Azure donde los recursos serán creados"
  type        = string
  default     = "eastus"
}

variable "vm_name" {
  description = "Nombre de la máquina virtual"
  type        = string
  default     = "test"
}

variable "vnet_name" {
  description = "Nombre de la Virtual Network"
  type        = string
  default     = "test"
}

# Resource Group
resource "azurerm_resource_group" "rg" {
  name     = var.resource_group_name
  location = var.location
}

# Virtual Network
resource "azurerm_virtual_network" "vnet" {
  name                = "${var.vnet_name}_vnet"
  # Podríamos usar la variable, pero si puedes tomar del grupo de recursos siempre es mejor, evita errores
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
  address_space       = ["10.0.0.0/16"]
}

# Subnet
resource "azurerm_subnet" "subnet" {
  name                 = "${var.vnet_name}_subnet"
  resource_group_name  = azurerm_resource_group.rg.name
  virtual_network_name = azurerm_virtual_network.vnet.name
  address_prefixes     = ["10.0.1.0/24"]
}

# Una VM necesita una interfaz de red
resource "azurerm_network_interface" "nic" {
  name                = "${var.vm_name}_nic"
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name

  ip_configuration {
    name                          = "configuracion-ip"
    subnet_id                     = azurerm_subnet.subnet.id
    private_ip_address_allocation = "Dynamic" # Cualquier IP de la subnet arriba
  }
}

# VM
resource "azurerm_virtual_machine" "vm" {
  name                  = "${var.vm_name}_vm"
  location              = azurerm_resource_group.rg.location
  resource_group_name   = azurerm_resource_group.rg.name
  network_interface_ids = [azurerm_network_interface.nic.id]
  vm_size               = "Standard_D2pls_v5"

  storage_os_disk {
    name              = "mi-osdisk"
    caching           = "ReadWrite"
    create_option     = "FromImage"
    managed_disk_type = "Standard_LRS"
  }

  storage_image_reference {
    publisher = "Canonical"
    offer     = "ubuntu-24_04-lts"
    sku       = "server-arm64"
    version   = "latest"
  }

  os_profile {
    computer_name  = "${var.vm_name}"
    admin_username = "adminuser"
    admin_password = "ContraseñaSuperSegura123"
  }

  os_profile_linux_config {
    disable_password_authentication = false
  }
}

# Salida
output "direccion_ip" {
  value = azurerm_network_interface.nic.private_ip_address
}