add initial gke terraform

.gitignore

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+# Local .terraform directories
+**/.terraform/*
+
+# .tfstate files
+*.tfstate
+*.tfstate.*
+
+# Crash log files
+crash.log
+
+# Ignore any .tfvars files that are generated automatically for each Terraform run. Most
+# .tfvars files are managed as part of configuration and so should be included in
+# version control.
+#
+# example.tfvars
+
+# Ignore override files as they are usually used to override resources locally and so
+# are not checked in
+override.tf
+override.tf.json
+*_override.tf
+*_override.tf.json

.gtf-var

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+export TF_VAR_project=r3x-showcase-42
+export PROJECT=r3x-showcase-42
+export TF_VAR_region=europe-west2
+export TF_VAR_credentials=/Users/ciaranroche/.gcd/rubix.json
+export TF_VAR_cluster_name=rubix-cluster
+export CLUSTER_NAME=rubix-cluster
+export TF_VAR_cluster_zone=europe-west2-a
+export CLUSTER_ZONE=europe-west2-a
+export TF_VAR_node_pool_name=rubix-node-pool
+export TF_VAR_node_pool_zone=europe-west2-a

README.md

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+# RubiX GKE Terraform
+
+gcloud container clusters get-credentials

gke/cluster.tf

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+#####################################################################
+# GKE Cluster
+#####################################################################
+resource "google_container_cluster" "rubix" {
+  name = "${var.cluster_name}"
+  zone = "${var.cluster_zone}"
+  initial_node_count = "${var.gcp_cluster_count}"
+
+  node_config {
+    oauth_scopes = [
+      "service-control",
+      "service-management",
+      "compute-rw",
+      "storage-ro",
+      "cloud-platform",
+      "logging-write",
+      "monitoring-write",
+      "pubsub",
+      "datastore"
+    ]
+    labels {
+      this-is-for = "dev-cluster"
+    }
+    tags = ["dev"]
+    machine_type = "n1-standard-4"
+  }
+}
+resource "google_container_node_pool" "rubix" {
+  name       = "${var.node_pool_name}"
+  zone       = "${var.node_pool_zone}"
+  cluster    = "${google_container_cluster.rubix.name}"
+  autoscaling {
+    min_node_count = 1
+    max_node_count = 10
+  }
+  management {
+    auto_repair = true
+  }
+}

gke/gcp.tf

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+#####################################################################
+# Google Cloud Platform
+#####################################################################
+provider "google" {
+  credentials = "${file("${var.credentials}")}"
+  project = "${var.project}"
+  region  = "${var.region}"
+}

gke/variables.tf

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+#####################################################################
+# General Variables
+#####################################################################
+variable "project" {
+  type = "string"
+  description = "Project name."
+}
+variable "region" {
+  type = "string"
+  description = "Region name."
+}
+variable "credentials" {
+  type = "string"
+  description = "Location of GCP credentials."
+}
+
+#####################################################################
+# GCP Variables
+#####################################################################
+variable "gcp_cluster_count" {
+  type = "string"
+  description = "Count of cluster instances to start."
+}
+variable "cluster_name" {
+  type = "string"
+  description = "Cluster name for the GCP Cluster."
+}
+variable "cluster_zone" {
+  type = "string"
+  description = "Cluster zone for the GCP Cluster."
+}
+variable "node_pool_name" {
+  type = "string"
+  description = "Node pool name for the GCP Cluster."
+}
+variable "node_pool_zone" {
+  type = "string"
+  description = "Node pool zone for the GCP Cluster."
+}
+
+#####################################################################
+# GCP Outputs
+#####################################################################
+output "gcp_cluster_name" {
+  value = "${google_container_cluster.rubix.name}"
+}
+output "host" {
+  value = "${google_container_cluster.rubix.endpoint}"
+}

main.tf

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+#####################################################################
+# Variables
+#####################################################################
+variable "project" {
+  type = "string"
+  description = "Project name."
+}
+variable "region" {
+  type = "string"
+  description = "Region name."
+}
+variable "credentials" {
+  type = "string"
+  description = "Location of GCP credentials."
+}
+variable "gcp_cluster_count" {
+  type = "string"
+  description = "Count of cluster instances to start."
+  default = 1
+}
+variable "cluster_name" {
+  type = "string"
+  description = "Cluster name for the GCP Cluster."
+}
+variable "cluster_zone" {
+  type = "string"
+  description = "Cluster zone for the GCP Cluster."
+}
+variable "node_pool_name" {
+  type = "string"
+  description = "Node pool name for the GCP Cluster."
+}
+variable "node_pool_zone" {
+  type = "string"
+  description = "Node pool zone for the GCP Cluster."
+}
+
+#####################################################################
+# Outputs
+#####################################################################
+output "gcp_cluster_endpoint" {
+  value = "${module.gke.host}"
+}
+output "gcp_cluster_name" {
+  value = "${module.gke.gcp_cluster_name}"
+}
+
+#####################################################################
+# Modules
+#####################################################################
+module "gke" {
+  source            = "./gke"
+  project           = "${var.project}"
+  region            = "${var.region}"
+  credentials       = "${var.credentials}"
+  gcp_cluster_count = "${var.gcp_cluster_count}"
+  cluster_name      = "${var.cluster_name}"
+  cluster_zone      = "${var.cluster_zone}"
+  node_pool_name    = "${var.node_pool_name}"
+  node_pool_zone    = "${var.node_pool_zone}"
+}