terraform-gke

Building a Google Container Cluster on Google Compute using terraform-gke

Prerequisites

• terraform > version 0.6.14
• gcloud commandline tool
• kubectl > version 1.2.2

Getting Started

Create a Terraform variables file in the parent directory with the following content to supply the required parameters.

gcp_credentials = "[location of Google Compute credentials]"
gcp_project = "[Google Compute project name]"
cluster_name = "[Name of the Google Container cluster]"

See the section below on how to obtain the Google Compute credentials file. Save this file in the same directory where this project is located with a .tfvars extension.

Start it up

To create a Google Container cluster run:

terraform apply -var-file=[location of variables file created above] -input=false -refresh=false ./

Run kubectl cluster-info to view available services running on your cluster. You should see output similar to below.

Kubernetes master is running at https://130.211.204.57
GLBCDefaultBackend is running at https://130.211.204.57/api/v1/proxy/namespaces/kube-system/services/default-http-backend
Heapster is running at https://130.211.204.57/api/v1/proxy/namespaces/kube-system/services/heapster
KubeDNS is running at https://130.211.204.57/api/v1/proxy/namespaces/kube-system/services/kube-dns
kubernetes-dashboard is running at https://130.211.204.57/api/v1/proxy/namespaces/kube-system/services/kubernetes-dashboard

Tear it down

To destroy the Google Container cluster that was just created.

terraform destory

Google Credentials

Follow these instructions to download the credentials file from Google for Google Compute:

1. Log into the Google Developers Console and select a project
2. Click the menu button in the top left corner, and navigate to "Permissions", then "Service accounts", and finally "Create service account"
3. Provide a name and ID in the corresponding fields, select "Furnish a new private key", and select "JSON" as the key type
4. Clicking "Create" will download your credentials