Kubernetes Cluster

Deploy a Production Kubernetes Cluster with Ansible.

• Kubeadm
• Cilium
• Metrics Server
• Metallb
• Ingress Nginx
• Rocky Linux 9

Prerequisites

• Master has a external and internal network interfaces, and workers have only internal interface.
• Configure /etc/hosts in all nodes
• Passwordless ssh login in all nodes (with jumphost if necessary)
• Firewall must allow all trafic for the internal network
• Nodes must masquerade and forward traffic

Install

1. Copy defaults/main.yml to values.yml and change the values.

2. Set the hostnames of nodes in the file hosts.

3. Execute the ansible playbook with ansible-playbook -i hosts site.yml --ask-become-pass --extra-vars="@values.yml".