resource "google_container_cluster" "primary" {
  name               = "homi"
  zone               = "${var.region}-a"
  initial_node_count = 1

  project    = "${google_project.technushi.project_id}"
  network    = "${google_compute_network.technushi.self_link}"
  subnetwork = "${google_compute_subnetwork.technushi-us-central1.self_link}"

  master_auth {
    username = "${var.k8s_username}"
    password = "${var.k8s_password}"
  }

  maintenance_policy {
    daily_maintenance_window {
      start_time = "08:00"
    }
  }

  node_version       = "${var.k8s_version}"
  min_master_version = "${var.k8s_version}"

  node_config {
    machine_type    = "g1-small"
    disk_size_gb    = 100

    oauth_scopes = [
      "https://www.googleapis.com/auth/compute",
      "https://www.googleapis.com/auth/devstorage.read_only",
      "https://www.googleapis.com/auth/logging.write",
      "https://www.googleapis.com/auth/monitoring",
    ]
  }
}

# The following outputs allow authentication and connectivity to the GKE Cluster.
output "client_certificate" {
  value = "${google_container_cluster.primary.master_auth.0.client_certificate}"
}

output "client_key" {
  value = "${google_container_cluster.primary.master_auth.0.client_key}"
}

output "cluster_ca_certificate" {
  value = "${google_container_cluster.primary.master_auth.0.cluster_ca_certificate}"
}