terraform {
  required_providers {
    openstack = {
      source  = "terraform-provider-openstack/openstack"
      version = ">= 1.54.1"
    }
  }
}

provider "openstack" {
  # Authentication is expected from OS_* environment variables.
}

variable "image_name" {
  type        = string
  description = "Name of the image used to create the instance"
  default     = "Ubuntu 22.04"
}

variable "flavor_name" {
  type        = string
  description = "OpenStack flavor used for the instance"
  default     = "b2-7"
}

variable "network_name" {
  type        = string
  description = "Network connected to the instance"
  default     = "Ext-Net"
}

resource "openstack_compute_instance_v2" "test_instance" {
  name        = "terraform-user-data-test"
  image_name  = var.image_name
  flavor_name = var.flavor_name

  network {
    name = var.network_name
  }

  user_data = <<-EOF
    #!/bin/bash
    echo "Instance initialized successfully" > /tmp/user-data-status.txt
  EOF
}