data "template_file" "user_data" {
  template = "${file("${path.module}/userdata/bootstrap.sh")}"
  vars = {
    kasm_build_url = "${var.kasm_build_url}"
    user_password = "${var.user_password}"
    admin_password = "${var.admin_password}"
    swap_size = "${var.swap_size}"
    nginx_cert_in = file("${var.kasm_ssl_crt_path}")
    nginx_key_in   = file("${var.kasm_ssl_key_path}")
  }
}

resource "oci_core_instance" "kasm_instance" {
  availability_domain = data.oci_identity_availability_domain.ad.name
  compartment_id      = var.compartment_ocid
  display_name        = "${var.project_name}-Kasm-Workspaces"
  shape               = var.instance_shape

  shape_config {
    ocpus = var.instance_ocpus
    memory_in_gbs = var.shape_memory_in_gb
  }

  create_vnic_details {
    subnet_id                 = oci_core_subnet.kasm_subnet.id
    display_name              = "${var.project_name}-Primaryvnic"
    assign_public_ip          = true
    assign_private_dns_record = true
    hostname_label            = "${var.project_name}-Kasm-Workspaces"
  }

  source_details {
    source_type = "image"
    source_id = var.instance_image_ocid
    boot_volume_size_in_gbs = var.instance_boot_size_gb
  }


  metadata = {
    ssh_authorized_keys = file("${var.ssh_authorized_keys}")
    user_data           = base64encode("${data.template_file.user_data.rendered}")
  }

}