gke.tf

provider "google" {
  project = "<project_id>"
  region  = "europe-central2"
}

variable "project_id" {
  type = string
}

variable "region" {
  default = "europe-central2"
}

variable "cluster_name" {
  default = "emqx"
}

variable "kubernetes_version" {
  default = "1.30.2-gke.1587003"
}

variable "kubernetes_node_version" {
  default = "1.30.2-gke.1587003"
}

variable "node_pool_name" {
  default = "emqx"
}

data "google_client_config" "default" {}

provider "kubernetes" {
  host                   = "https://${module.gke.endpoint}"
  token                  = data.google_client_config.default.access_token
  cluster_ca_certificate = base64decode(module.gke.ca_certificate)
}

module "gke" {
  source     = "terraform-google-modules/kubernetes-engine/google"
  project_id = var.project_id
  version    = "28.0.0"

  name                       = var.cluster_name
  region                     = var.region
  zones                      = ["${var.region}-a", "${var.region}-b", "${var.region}-c"]
  network                    = "default"
  subnetwork                 = "default"
  ip_range_pods              = ""
  ip_range_services          = ""
  horizontal_pod_autoscaling = true
  filestore_csi_driver       = false
  default_max_pods_per_node  = 55
  kubernetes_version         = var.kubernetes_version
  create_service_account     = true
  release_channel            = "STABLE"

  node_pools = [
    {
      name               = "${var.node_pool_name}"
      machine_type       = "e2-standard-4"
      node_locations     = "${var.region}-a,${var.region}-b"
      min_count          = 3
      max_count          = 5
      local_ssd_count    = 0
      spot               = false
      disk_size_gb       = 100
      disk_type          = "pd-standard"
      image_type         = "COS_CONTAINERD"
      networking_mode    = "VPC_NATIVE"
      node_version       = var.kubernetes_node_version
      enable_gcfs        = false
      enable_gvnic       = false
      auto_repair        = true
      release_channel    = "STABLE"
      auto_upgrade       = true
      preemptible        = false
      initial_node_count = 3
    }
  ]
}