GKE Using Terraform

This repo explain how to create a Kubernetes cluster in GKE using terraform Infrastructure as code (IaC)

• Prerequisites
• Set gcloud
• Clone this repo
• Update the terraform.tvars file
• Use Terraform
• Set kubectl to work with your cluster

Prerequisites

This repo requires you to have configured:

• a GCP account
• a configured gcloud SDK
• Terrafom installed
• kubectl

Set gcloud

Initialize gcloud

gcloud init

Authorize the SDK to access GCP using your user account credentials and add the SDK to your path

gcloud auth application-default login

Set a default project for gcloud, replace with your project_id:

gcloud config set project PROJECT_ID

Clone this repo

Use git clone:

git clone https://github.com/andrescaroc/gke-using-terraform.git

Change directory:

cd gke-using-terraform

Update the terraform.tvars file

Replace the values in your terraform.tvars file with your project_id and region from your GCP account.

# terraform.tfvars
project_id = "REPLACE_ME"
region     = "REPLACE_ME_TOO"

You can find the project your gcloud is configured to with this command.

gcloud config get-value project

You can find a full list of gcloud regions here.

Use Terraform

Initialize terraform, this will install the provider plugins:

terraform init

Before continue, make sure Compute Engine API and Kubernetes Engine API are enabled in your GCP console for your project_id, if not sure visit:

• https://console.cloud.google.com/compute
• https://console.cloud.google.com/kubernetes

And verify it is not asking you to enable the respective API.

Then, let terraform create the defined resources:

terraform apply

Set kubectl to work with your cluster

Gather and set the kubeconfig required by kubectl to manage your GKE cluster

gcloud container clusters get-credentials $(terraform output -raw kubernetes_cluster_name) --region $(terraform output -raw region)