main.tf

resource "random_id" "prefix" {
  byte_length = 8
}

resource "azurerm_resource_group" "main" {
  count = var.create_resource_group ? 1 : 0

  location = var.location
  name     = coalesce(var.resource_group_name, "${random_id.prefix.hex}-rg")
}

locals {
  resource_group = {
    name     = var.create_resource_group ? azurerm_resource_group.main[0].name : var.resource_group_name
    location = var.location
  }
}

resource "azurerm_virtual_network" "test" {
  address_space       = ["10.52.0.0/16"]
  location            = local.resource_group.location
  name                = "${random_id.prefix.hex}-vn"
  resource_group_name = local.resource_group.name
}

resource "azurerm_subnet" "test" {
  address_prefixes                               = ["10.52.0.0/24"]
  name                                           = "${random_id.prefix.hex}-sn"
  resource_group_name                            = local.resource_group.name
  virtual_network_name                           = azurerm_virtual_network.test.name
  enforce_private_link_endpoint_network_policies = true
}

locals {
  nodes = {
    for i in range(3) : "worker${i}" => {
      name           = substr("worker${i}${random_id.prefix.hex}", 0, 12)
      vm_size        = "Standard_D2s_v3"
      node_count     = 1
      vnet_subnet_id = azurerm_subnet.test.id
    }
  }
}

module "aks" {
  source = "../.."

  prefix              = "prefix-${random_id.prefix.hex}"
  resource_group_name = local.resource_group.name
  os_disk_size_gb     = 60
  sku_tier            = "Standard"
  rbac_aad            = false
  vnet_subnet_id      = azurerm_subnet.test.id
  node_pools          = local.nodes
}