zenoss.tf

variable "region_zone" {
  default = [ "europe-west3-b", "europe-west2-a" ]
}

variable "the_count" {
  default = "1"
}

// alternative testing images debian-9-stretch-v20180611 , ubuntu-1604-xenial-v20180612, ubuntu-1804-bionic-v20180717b
variable "image" {
  default = "centos-7-v20180507"
}

resource "google_compute_firewall" "default" {
  name = "zenoss-firewall"
  network = "default"

  allow {
    protocol = "tcp"
    ports = ["22","80","443","4979"]
  }

  source_ranges = ["0.0.0.0/0"]
  target_tags = ["zenoss"]
}

resource "google_compute_disk" "zenoss-disk" {
  count = "${var.the_count}"
  name = "zenoss-disk-${count.index}"
  size = 40
  zone = "${element(var.region_zone, count.index)}"
}

resource "google_compute_instance" "default" {
  count = "${var.the_count}"
  name = "zenoss${count.index}"
  machine_type = "n1-highmem-4"
  zone = "${element(var.region_zone, count.index)}"
  tags = ["zenoss"]
  depends_on = ["google_compute_disk.zenoss-disk"]

  boot_disk {
    initialize_params {
      image = "${var.image}"
    }
  }

  attached_disk {
    source = "zenoss-disk-${count.index}"
    device_name = "data"
  }

  network_interface {
    network = "default"
    access_config {
    }
  }

  metadata_startup_script = <<SCRIPT
echo "startup script"
[[ `lsb_release -cs` == 'bionic' ]] && apt-get -y install python
[[ `lsb_release -is` == 'Ubuntu' ]] && service sshguard stop
SCRIPT
}

output "instance_id" {
 value = "${google_compute_instance.default.*.self_link}"
}

output "nat_ip" {
 value = "${google_compute_instance.default.*.network_interface.0.access_config.0.nat_ip}"
}