# https://github.com/dmacvicar/terraform-provider-libvirt/blob/master/website/docs/r

terraform {
  required_version = ">= 0.12"

  required_providers {
    null     = "~> 2.1"
    template = "~> 2.1"
    libvirt  = ">= 0.0.0"
  }

  backend "etcdv3" {
    endpoints   = ["https://100.64.0.19:2379"]
    lock        = true
    prefix      = "/terraform-state/stack"
    cacert_path = "/home/antoine/virtualization/kubernetes-the-hard-way/certs/ca.pem"
    cert_path   = "/home/antoine/virtualization/kubernetes-the-hard-way/certs/kubernetes.pem"
    key_path    = "/home/antoine/virtualization/kubernetes-the-hard-way/certs/kubernetes-key.pem"
  }

}

provider "libvirt" {
  uri = "qemu+tcp://dx30.localdomain/system"
}

data "template_file" "user_data" {
  template = "${file("${path.module}/cloud_init.cfg")}"
}

variable "pool_1" {
  type        = string
  default     = "pool_1"
  description = "already created pool name, set with variable because libvirt provider dont' wotk with data resource"
}

variable "debian_buster_qcow2" {
  type        = string
  default     = "debian-buster.qcow2"
  description = "already created debian vol, set with variable because libvirt provider dont' wotk with data resource"
}

variable "centos7_qcow2" {
  type        = string
  default     = "centos7.qcow2"
  description = "already created centos vol, set with variable because libvirt provider dont' wotk with data resource"
}

# Use CloudInit to add the instance
resource "libvirt_cloudinit_disk" "commoninit" {
  name      = "commoninit.iso"
  pool      = var.pool_1
  user_data = data.template_file.user_data.rendered
}

resource "null_resource" "delay_10s" {
  provisioner "local-exec" {
    command = "sleep 10"
  }
  triggers = {
    "before" = libvirt_domain.db1.id
  }
}

# Output Server IP
output "ip" {
  value      = libvirt_domain.db1.network_interface
  depends_on = [null_resource.delay_10s]
}