K8s-cluster in OpenStack

Kubernetes setup using Terraform, Ansible and OpenStack.

About

Terraform deploy the environment including:

• Bastion
• K8s master
• K8s workers
• Openstack Load Balancer
• Required security groups
• Ansible inventory file
• Ansible config file

Bastion Overview

Terraform Openstack Environment Overview

Getting Started

Prerequisites

Ensure that you have the following installed:

• Terraform >= v1.1.5
• Ansible >= 2.9.27

Run Terraform

1. Locate the directory /provisioning.

  cd /provisioning

2. Run Terraform and enter input when prompted.

Note: Enter yes to run Ansible automatically when prompted for.

  terraform apply --auto-approve

Run Ansible manually

Ensure that Terraform is finished and that the files hosts and ansible.cfg exists in the directory /configuration.

1. Locate the directory /configuration

  cd /configuration

2. Run Ansible playbook.

  ansible-playbook -i hosts main.yaml

Articles/documentation worth reading:

Terraform

• Templatefile

Ansible

• Speed up Ansible

Others

• Nginx template file