[#2556] Working on terraform gke

infrastructure/terraform/install/gcp-gke/README.md

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+# airy.co GKS terraform installation source
+
+### Title
+
+The current referenced project link is ; 
+
+
+https://github.com/hashicorp/learn-terraform-provision-gke-cluster
+
+```
+$ some code
+```
+

infrastructure/terraform/install/gcp-gke/main.tf

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+module "gcp-gke" {
+  #source = "github.com/airyhq/airy.git/infrastructure/terraform/modules/gcp-gke"
+  source =  "/Users/bilge/Documents/AiryProjects/airy/infrastructure/terraform/modules/gcp-gke"
+
+
+  project_id                 = var.project_id
+  region                     = var.region           
+
+
+  #kubeconfig_output_path = "../kube.conf"
+}

infrastructure/terraform/install/gcp-gke/variables.tf

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+variable "project_id" {
+  description = "The project is airy-core-gke"
+}
+
+variable "region" {
+  description = "The region is us-central1"
+}

infrastructure/terraform/modules/gcp-gke/main.tf

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+provider "google" {
+  project = var.project_id
+  region  = var.region
+}
+
+# VPC
+resource "google_compute_network" "vpc" {
+  name                    = "${var.project_id}-vpc"
+  auto_create_subnetworks = "false"
+}
+
+# Subnet
+resource "google_compute_subnetwork" "subnet" {
+  name          = "${var.project_id}-subnet"
+  region        = var.region
+  network       = google_compute_network.vpc.name
+  ip_cidr_range = "10.10.0.0/24"
+}
+
+
+# GKE cluster
+resource "google_container_cluster" "primary" {
+  name     = "${var.project_id}-gke"
+  location = var.region
+
+  # We can't create a cluster with no node pool defined, but we want to only use
+  # separately managed node pools. So we create the smallest possible default
+  # node pool and immediately delete it.
+  remove_default_node_pool = true
+  initial_node_count       = 1
+
+  network    = google_compute_network.vpc.name
+  subnetwork = google_compute_subnetwork.subnet.name
+}
+
+# Separately Managed Node Pool
+resource "google_container_node_pool" "primary_nodes" {
+  name       = "${google_container_cluster.primary.name}-node-pool"
+  location   = var.region
+  cluster    = google_container_cluster.primary.name
+  node_count = var.gke_num_nodes
+
+  node_config {
+    oauth_scopes = [
+      "https://www.googleapis.com/auth/logging.write",
+      "https://www.googleapis.com/auth/monitoring",
+    ]
+
+    labels = {
+      env = var.project_id
+    }
+
+    # preemptible  = true
+    machine_type = "n1-standard-1"
+    tags         = ["gke-node", "${var.project_id}-gke"]
+    metadata = {
+      disable-legacy-endpoints = "true"
+    }
+  }
+}
+

infrastructure/terraform/modules/gcp-gke/outputs.tf

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+output "kubernetes_endpoint" {
+  sensitive = true
+  value     = module.gke_auth.host
+}
+
+output "client_token" {
+  sensitive = true
+  value     = module.gke_auth.token
+}
+
+output "ca_certificate" {
+  value = module.gke_auth.cluster_ca_certificate
+}
+
+output "kubeconfig_raw" {
+  value = module.gke_auth.kubeconfig_raw
+}
+
+output "service_account" {
+  description = "The default service account used for running nodes."
+  value       = module.gke.service_account
+}

infrastructure/terraform/modules/gcp-gke/variables.tf

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+variable "project_id" {
+  description = "The project is airy-core-gke"
+}
+
+variable "region" {
+  description = "The region is us-central1"
+}
+
+variable "gke_username" {
+  default     = ""
+  description = "gke username"
+}
+
+variable "gke_password" {
+  default     = ""
+  description = "gke password"
+}
+
+variable "gke_num_nodes" {
+  default     = 2
+  description = "number of gke nodes"
+}