cicd_yamls/cluster-setup/ansible-files

Ansible Playbooks for k3s Cluster Installation

This directory contains Ansible playbooks to install a k3s cluster with one master node and multiple worker nodes.

Files Overview

• inventory.ini: Contains the inventory of master and worker nodes
• main-playbook.yml: Main playbook that orchestrates the entire installation
• install-k3s-master.yml: Installs k3s on the master node
• install-k3s-workers.yml: Installs k3s agents on worker nodes and joins them to the master
• verify-cluster.yml: Verifies the cluster status after installation
• k3s.service.j2: Template for the k3s master systemd service
• k3s-agent.service.j2: Template for the k3s agent systemd service
• ansible.cfg: Ansible configuration file.

Prerequisites

• Ansible installed on the control machine
• SSH access to all target machines with sudo privileges
• Target machines running a supported Linux distribution

Variables

The playbooks use the following variables:

• master_ip: IP address of the master node
• k3s_download_url: URL to download the k3s binary
• k3s_token: Token for joining worker nodes to the cluster

Usage

To run the complete installation:

ansible-playbook -i inventory.ini main-playbook.yml

To run only the master installation:

ansible-playbook -i inventory.ini install-k3s-master.yml

To run only the worker installation:

ansible-playbook -i inventory.ini install-k3s-workers.yml

To verify the cluster status:

ansible-playbook -i inventory.ini verify-cluster.yml

Configuration

Edit the inventory.ini file to match your environment:

• Update IP addresses of master and worker nodes
• Update SSH credentials as needed